WO2023201878A1 - 智能垫、智能检测电路及智能灯控系统 - Google Patents

智能垫、智能检测电路及智能灯控系统 Download PDF

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WO2023201878A1
WO2023201878A1 PCT/CN2022/101136 CN2022101136W WO2023201878A1 WO 2023201878 A1 WO2023201878 A1 WO 2023201878A1 CN 2022101136 W CN2022101136 W CN 2022101136W WO 2023201878 A1 WO2023201878 A1 WO 2023201878A1
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circuit
electrically connected
detection circuit
signal
intelligent
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PCT/CN2022/101136
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English (en)
French (fr)
Inventor
王炳坤
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慕思健康睡眠股份有限公司
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Publication of WO2023201878A1 publication Critical patent/WO2023201878A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
    • A47C31/123—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for beds or mattresses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits

Definitions

  • This application relates to the field of smart pad detection technology, for example, to a smart pad, a smart detection circuit and a smart light control system.
  • This application provides an intelligent pad, an intelligent detection circuit and an intelligent light control system to reduce nursing costs and improve nursing efficiency.
  • This application provides a smart pad including:
  • a self-capacitive flexible sensor including a conductive electrode layer
  • the conductive electrode layer When the distance between the conductive electrode layer and the human body reaches a preset distance, the conductive electrode layer is configured to form a ground capacitance with the human body and output a capacitance signal.
  • This application provides an intelligent detection circuit, including: the above-mentioned smart pad and sensor detection circuit;
  • the sensor detection circuit is configured to obtain a capacitance signal output by a self-capacitive flexible sensor in the smart pad, and determine a smart pad detection result based on the capacitance signal.
  • This application provides an intelligent light control system, including: the above-mentioned intelligent detection circuit, power voltage conversion circuit, main controller and lamps;
  • the intelligent detection circuit is electrically connected to the main controller; the intelligent detection circuit is configured to obtain the capacitance signal output by the self-capacitance flexible sensor in the smart pad in the intelligent detection circuit, and output according to the capacitance signal The smart pad detection results are sent to the main controller;
  • the input end of the power supply voltage conversion circuit is configured to be electrically connected to an external power supply, and the output end of the power supply voltage conversion circuit is electrically connected to the intelligent detection circuit, the main controller and the lamp;
  • the power supply voltage conversion circuit The circuit is configured to convert the power signal of the external power supply into the power supply signal of the intelligent detection circuit, the main controller and the lamp;
  • the main controller is electrically connected to the control terminal of the lamp; the main controller is configured to control the working state of the lamp according to the detection result of the smart pad.
  • Figure 1 is a schematic structural diagram of a smart pad provided by an embodiment of the present application.
  • Figure 2 is a schematic cross-sectional structural diagram of a smart pad provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of another smart pad provided by an embodiment of the present application.
  • Figure 4 is a schematic cross-sectional structural diagram of yet another smart pad provided by an embodiment of the present application.
  • Figure 5 is a schematic top structural view of a smart pad provided by an embodiment of the present application.
  • Figure 6 is a schematic top view of another smart pad provided by an embodiment of the present application.
  • Figure 7 is a schematic top view of another smart pad provided by an embodiment of the present application.
  • Figure 8 is a schematic top view of another smart pad provided by an embodiment of the present application.
  • Figure 9 is a schematic top view of another smart pad provided by an embodiment of the present application.
  • Figure 10 is a schematic structural diagram of an intelligent detection circuit provided by an embodiment of the present application.
  • Figure 11 is a schematic structural diagram of another intelligent detection circuit provided by an embodiment of the present application.
  • Figure 12 is a schematic structural diagram of another intelligent detection circuit provided by an embodiment of the present application.
  • Figure 13 is a schematic structural diagram of an intelligent light control system provided by an embodiment of the present application.
  • Figure 14 is a schematic structural diagram of another intelligent light control system provided by an embodiment of the present application.
  • Figure 15 is a schematic structural diagram of another intelligent light control system provided by an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a smart mat provided by an embodiment of the present application.
  • the smart pad 10 includes a self-capacitive flexible sensor 110
  • the self-capacitive flexible sensor 110 includes a conductive electrode layer 111 .
  • the conductive electrode layer 111 and the human body form a ground capacitor with a capacitance of several hundred picofarads, and output a capacitance signal.
  • the conductive electrode layer 111 only forms a capacitance with the ground, and the capacitance value is small; when the distance between the conductive electrode layer 111 and the human body reaches a preset distance, the conductive electrode layer 111
  • the layer 111 also forms a ground capacitance with the human body. This ground capacitance is connected in parallel with the capacitance formed between the conductive electrode layer 111 and the ground.
  • the self-capacitive flexible sensor 110 can output a large capacitance signal.
  • the preset distance is 4mm-200mm.
  • the conductive electrode layer 111 can also form a ground capacitor with the human body with a capacitance value of hundreds of picofarads. , and output the capacitance signal.
  • the smart mat 10 can be a mattress, placed on a bed.
  • the smart mat 10 can be used in conjunction with a dedicated limb touch detection circuit device.
  • the application scenario can be, for example, a special group of people who need to stay in bed for recuperation. When the special group of people does not follow the doctor's advice, When someone leaves the bed without authorization or accidentally leaves the bed and falls to the ground, the special limb touch detection circuit device will alarm in time to remind the relevant nursing staff to take appropriate treatment to ensure the safety of the monitored person and at the same time improve the work efficiency and quality of the nursing staff.
  • a self-contained sensor can be used to detect whether a person is on a smart mat. It has a simple structure and low production cost. It is convenient for application in flexible products and easy for promotion; and the detection area is large, regardless of whether the person being monitored is sitting, lying down or lying down. , can be detected and have good reliability; the self-capacitive flexible sensor mainly relies on the conductive electrode layer to work, is not easily affected by temperature, can withstand considerable temperature changes, can work in harsh environments with large temperature changes, and has good applicability ; The self-contained flexible sensor can be used in combination with other detection circuit devices, which can increase the number of nursing items and diversify the application. It can also improve nursing efficiency and reduce nursing costs.
  • FIG. 2 is a schematic cross-sectional structural diagram of a smart pad provided by an embodiment of the present application.
  • the smart pad 10 also includes an electrode buckle 121; the conductive electrode layer 111 is electrically connected to the sensor detection circuit (not shown in the figure) through the electrode buckle 121.
  • the embodiment of the present application does not limit the type of the electrode buckle 121, which can be a male buckle or a female buckle.
  • the electrode buckle 121 is a male buckle as an example.
  • the conductive electrode layer 111 is electrically connected to a detection device such as a sensor detection circuit through an electrode buckle 121.
  • the electrode buckle 121 is a male buckle
  • the electrode buckle 121 is electrically connected to a detection device such as a sensor detection circuit through a female buckle.
  • 121 facilitates the replacement of the self-contained flexible sensor 110, and also facilitates the replacement of detection devices such as sensor detection circuits, so that the self-contained flexible sensor 110 can be applied to more usage scenarios.
  • the electrode buckles 121 can be at any position of the self-capacitive flexible sensor 110
  • the smart pad 10 can include multiple electrode buckles 121 , and the plurality of electrode buckles 121 are all electrically connected to the conductive electrode layer 111 .
  • the electrode buckle 121 can be fixed on the conductive electrode plate 111 and close to the edge of the self-capacitive flexible sensor 10 .
  • FIG. 3 is a schematic structural diagram of yet another smart pad provided by an embodiment of the present application.
  • the smart pad 10 also includes a flexible carrier 130; the self-contained flexible sensor 110 is fixed on the flexible carrier 130.
  • the flexible carrier 130 is an insulator.
  • the self-contained flexible sensor 110 can be fixed on the flexible carrier 130 through tape and/or sewing.
  • the self-contained flexible sensor 110 is fixed on the flexible carrier 130 by sewing thread 140 to form the smart pad 10 shown in FIG. 3 .
  • the flexible carrier 130 is configured to fix the self-contained flexible sensor 110 so that it is not easily displaced or deformed.
  • the flexible carrier 130 includes pure cotton skin-friendly cloth, sponge, latex and other materials, which can improve the comfort of the person being monitored.
  • FIG. 4 is a schematic cross-sectional structural diagram of yet another smart pad provided by an embodiment of the present application.
  • the flexible carrier 130 includes a first flexible carrier 131, a second flexible carrier 132 and a third flexible carrier 133; the second flexible carrier 132 is located between the first flexible carrier 131 and the third flexible carrier 133; self-contained
  • the flexible sensor 110 is fixed on the side of the second flexible carrier 132 close to the first flexible carrier 131 .
  • the first flexible carrier 131 and the third flexible carrier 133 both include pure cotton skin-friendly fabric.
  • the three flexible carriers 133 respectively cover both sides of the second carrier 132 and are fixed with sewing threads 142 .
  • the second flexible carrier 132 may include pure cotton skin-friendly fabric made of the same material as the first flexible carrier 131 and the third flexible carrier 133 , or may include sponge, latex and other elastic materials to increase comfort. This is not the case in the embodiment of the present application. limited.
  • the smart pad adopts a three-layer structure, including a first flexible carrier, a self-contained flexible sensor in the middle and a second flexible carrier, and a third flexible carrier.
  • the first flexible carrier and the third flexible carrier are configured to protect the middle
  • the self-contained flexible sensor makes the conductive electrode layer not easily damaged during use and repeated washing, easy to clean, and has a long service life.
  • the conductive electrode layer includes at least one conductive strip; the conductive strip includes conductive cloth, and the conductive strip can be cut from a whole piece of conductive cloth.
  • conductive cloth is made of fiber cloth (generally commonly used polyester fiber cloth) as the base material. After pre-processing, electroplating metal plating is applied to make it have metallic properties to become conductive fiber cloth.
  • Conductive cloth is widely used in the production of electronics, electromagnetics For high-radiation work clothes, the embodiment of the present application uses conductive cloth as the conductive electrode layer of the self-contained flexible sensor, which is foldable, washable, and low-cost.
  • Figure 5 is a schematic top view of a smart pad provided by an embodiment of the present application.
  • the conductive electrode layer 111 includes a plurality of longitudinal first conductive strips 1101 and a transverse second conductive strip. 1102, forming a comb-shaped conductive electrode layer 111 as shown in Figure 5.
  • the conductive electrode layer 111 can be fixed on the flexible carrier 130 through adhesive tape connection.
  • the first conductive tape 1101 and the second conductive tape 1102 include conductive cloth with adhesive backing. , the first conductive strips 1101 and the second conductive strips 1102 are electrically connected, and all the first conductive strips 1101 are electrically connected to the second conductive strips 1102.
  • Figures 6 and 7 are schematic top structural views of yet another smart pad provided by embodiments of the present application.
  • the conductive electrode layer 111 includes a plurality of longitudinal first conductive strips 1101 and A plurality of transverse second conductive strips 1102 form a serpentine conductive electrode layer 111 as shown in Figure 6 and a meander-shaped conductive electrode layer 111 as shown in Figure 7.
  • the conductive electrode layer 111 can be fixed on the flexible carrier through tape-type connection. 130, the first conductive tape 1101 and the second conductive tape 1102 include conductive cloth with adhesive backing.
  • the first conductive tape 1101 and the second conductive tape 1102 are electrically connected to each other.
  • the adjacent first conductive tape 1101 passes through the second conductive tape.
  • the conductive strips 1102 are electrically connected to each other.
  • Figures 8 and 9 are schematic top structural diagrams of yet another smart pad provided by embodiments of the present application.
  • the conductive electrode layer 111 includes a curved conductive strip 1103, which is configured as shown in Figure 8
  • the Archimedes spiral conductive electrode layer 111 shown and the approximate Archimedes spiral conductive electrode layer 111 shown in Figure 9, the Archimedes spiral conductive electrode layer 111 can be connected by tape. Fixed on the circular flexible carrier 130, the approximate Archimedean spiral conductive electrode layer 111 can be fixed on the oval flexible carrier 130 through tape connection.
  • the curved conductive tape 1103 includes conductive cloth with adhesive backing and is suitable for round
  • the shaped or oval smart pad 10 can be applied to heated seat cushions and used in combination with a seat cushion heating circuit to heat when the human body touches the seat cushion and stop heating when the human body leaves the seat cushion.
  • the conductive cloth used in the conductive tape is a flexible material that can be easily woven into special usage environments.
  • the layout, spacing distance, width, usage length and other parameters of the conductive tape can be modified accordingly according to the usage scenario.
  • the embodiments of this application are No restrictions.
  • the conductive electrode layer by arranging the conductive electrode layer into a conductive belt structure, false detection can be avoided.
  • the pets may trample on the smart furniture, and the limbs of pets are generally slender.
  • the conductive electrode layer By arranging conductive belts, it can be appropriately Reduce the sensitivity of the flexible sensor and perform screening detection, only detecting the human contact of the person being monitored and filtering out the contact of pets; in addition, through multiple conductive strips set at intervals, the conductive electrode layer is designed with a line-to-surface structure. It effectively expands the detection range of the self-contained flexible sensor.
  • the detection range can be designed according to actual needs, and can be large or small. For large-scale detection, only one self-contained flexible sensor can be used.
  • the response time is short, and it is suitable for online and dynamic applications. Measuring whether the monitored person leaves the smart pad reduces costs, and the conductive electrode layer uses less material, which can reduce costs and reduce care costs.
  • FIG. 10 is a schematic structural diagram of an intelligent detection circuit provided by an embodiment of the present application.
  • the smart detection circuit includes a smart pad 10 and a sensor detection circuit 20, wherein the smart pad 10 is the smart pad 10 provided in any embodiment of the present application; the sensor detection circuit 20 is configured to obtain the self-detection information in the smart pad 10.
  • the capacitive signal output by the capacitive flexible sensor 110 is detected, and the smart pad detection result is determined based on the capacitive signal.
  • the sensor detection circuit 20 is electrically connected to the conductive electrode layer 111 of the self-capacitive flexible sensor 110.
  • the sensor detection circuit 20 can determine whether the smart pad 10 is in contact with the human body based on the capacitive signal output by the self-capacitive flexible sensor 110.
  • the sensor detection circuit 20 can perform signal processing on the capacitive signal output by the self-capacitive flexible sensor 110 , and different processing results can indicate whether there is human contact on the smart pad 10 .
  • the smart pad and the sensor detection circuit provided in any embodiment can form a smart detection circuit.
  • the smart pad can output different capacitance signals based on whether it is in contact with the person being monitored, and the sensor detection circuit can output different capacitance signals based on whether it is in contact with the monitored person.
  • Different processing results can be used to determine whether there is human contact on the smart pad to achieve intelligent monitoring, which can be used in rehabilitation care, health care and other products.
  • the nursing staff can be notified in time based on the detection results of the smart pad, and the nursing staff can be reminded to perform corresponding processing. Effectively improve the work quality and efficiency of nursing staff.
  • FIG. 11 is a schematic structural diagram of yet another intelligent detection circuit provided by an embodiment of the present application.
  • the sensor detection circuit includes an oscillation circuit 210, a signal processing circuit 220 and a comparison circuit 230; the output terminal 212 of the oscillation circuit 210 is electrically connected to the self-capacitive flexible sensor 110 and the input terminal 221 of the signal processing circuit 220; the signal The output terminal 222 of the processing circuit 220 is electrically connected to the first input terminal 221 of the comparison circuit 230; the second input terminal 232 of the comparison circuit 230 is electrically connected to the reference voltage source.
  • the oscillation circuit 210 is configured to generate an oscillation signal; the signal processing circuit 220 is configured to convert the oscillation signal into a DC signal; the comparison circuit 230 is configured to compare the voltage of the DC signal with the voltage of the reference voltage source and output the comparison result.
  • the reference voltage of the reference voltage source is 1V
  • the input terminal 211 of the oscillation circuit 210 is electrically connected to the power supply.
  • the power supply provides a 5V DC power signal to the oscillation circuit 210.
  • the DC power signal can be converted by the oscillation circuit 210 into a peak value of 5V. 330kHz oscillation signal.
  • the signal processing circuit 220 can convert the oscillation signal into a DC signal.
  • the voltage source of the DC signal is greater than 1V of the reference voltage.
  • the output terminal 233 After comparison by the comparison circuit 230, the output terminal 233 outputs a high-level signal, which indicates that there is no human contact on the smart pad 10; when there is human contact on the smart pad 10, the conductive electrode layer 111 and the human body form a capacitance value of up to
  • the ground capacitor is hundreds of picofarads. Most of the oscillation signal output by the oscillation circuit 210 is grounded through the ground capacitor. Only a small part of the oscillation signal reaches the signal processing circuit 220. The signal processing circuit 220 converts a small part of the oscillation signal into a DC signal. The DC signal is much smaller than 1V of the reference voltage.
  • the output terminal 233 After comparison by the comparison circuit 230, the output terminal 233 outputs a low-level signal. The low-level signal indicates that there is human contact on the smart pad 10.
  • the reference voltage source is a device that can easily adjust the reference voltage.
  • FIG. 12 is a schematic structural diagram of yet another intelligent detection circuit provided by an embodiment of the present application.
  • the sensor detection circuit also includes a coupling circuit 240.
  • the coupling circuit 240 includes a first resistor R1 and a first capacitor C1 connected in series; the output end 212 of the oscillation circuit 210 is connected to the self-capacitive flexible sensor 110 and the self-capacitive flexible sensor 110 through the coupling circuit 240.
  • the input terminal 221 of the signal processing circuit 220 is electrically connected.
  • the first resistor R1 and the first capacitor C1 can couple the oscillation signal output by the oscillation circuit 210 to extract the AC part in the oscillation signal.
  • the signal processing circuit 220 includes a second resistor R2, a third resistor R3, a second capacitor C2 and a rectifier diode D1; the first end of the second resistor R2 and the cathode end of the rectifier diode D1 are both connected to
  • the oscillation circuit 210 is electrically connected to the self-capacitive flexible sensor 110; the second end of the second resistor R2 is electrically connected to the first end of the third resistor R3, the first end of the second capacitor C2 and the first input end 231 of the comparison circuit 230. Connection; the anode terminal of the rectifier diode D1, the second terminal of the third resistor R3 and the second terminal of the second capacitor C2 are all grounded.
  • the third resistor R3 is much larger than the second resistor R2.
  • the second resistor R2 plays a current limiting role.
  • the rectifier diode D1 can rectify the oscillation signal.
  • the third resistor R3 and the second capacitor C2 play a filtering role.
  • the intelligent detection circuit provided by the embodiments of this application includes the smart pad provided by any embodiment of this application, and has corresponding functional modules and effects.
  • FIG. 13 is a schematic structural diagram of an intelligent light control system provided by an embodiment of the present application.
  • the intelligent light control system includes an intelligent detection circuit 20, a power supply voltage conversion circuit 30, a main controller 40 and a lamp 50, wherein the intelligent detection circuit 20 is the intelligent detection circuit 20 provided by any embodiment of the present application; The intelligent detection circuit 20 is electrically connected to the main controller 40.
  • the intelligent detection circuit 20 is configured to obtain the capacitance signal output by the self-capacitive flexible sensor in the smart pad, and output the smart pad detection result to the main controller 40 according to the capacitance signal; power supply voltage
  • the input terminal 301 of the conversion circuit 30 is electrically connected to the external power supply, and the output terminals 302, 304, and 305 of the power supply voltage conversion circuit 30 are electrically connected to the intelligent detection circuit 20, the main controller 30 and the lamp 50 respectively.
  • the power supply voltage conversion circuit 30 is set as Convert the power signal of the external power supply into the power supply signal of the intelligent detection circuit 20, the main controller 40 and the lamp 50; the main controller 40 is electrically connected to the control terminal 501 of the lamp 50, and the main controller 40 is set to based on the smart pad detection result, Control the working status of the lamp 50.
  • the external power supply may be a household power supply that outputs 220V 50Hz AC mains power.
  • the power supply voltage conversion circuit 30 may convert a high-voltage dangerous power signal into a low-voltage safe DC power supply signal.
  • the 220V power signal may be converted into 12V and 5V power supply signals.
  • the output terminals 302 and 304 of the power supply voltage conversion circuit 30 can provide a 5V power supply signal for the intelligent detection circuit 20 and the main controller 40
  • the output terminal 305 of the power supply voltage conversion circuit 30 can provide a 12V power supply signal for the lamp 50 .
  • the main controller 40 includes a low-power single-chip computer.
  • the main controller 40 may be, for example, an STC15W-xxx series single-chip computer with multiple inputs/outputs. (Input/Output, I/O) port, built-in Electrically Erasable Programmable Read Only Memory (EEPROM), program memory, multiple external interrupts, internal timed interrupts, pulse width modulation (Pulse Width Modulation, PWM) output control pins and other ports.
  • the lamp 50 includes a light-emitting diode (Light-Emitting Diode, LED) lamp.
  • the smart detection circuit 20 can detect whether the smart pad is in contact with the human body. When the smart pad is in contact with the human body, the smart detection circuit 20 outputs a low-level signal to the main controller 40, and the main controller 40 responds according to the low-level signal. Output a control signal to the lamp to control the lamp to stop emitting light; when the smart pad has no contact with the human body, the intelligent detection circuit 20 outputs a high-level signal to the main controller 40, and the main controller 40 outputs a control signal to the lamp according to the high-level signal , control the lighting of lamps.
  • the application scenario can be a mattress, for example. When a person is in bed, the lamp automatically turns off, and when a person leaves the bed, the lamp automatically turns on.
  • an intelligent detection circuit including a smart pad
  • it can detect whether the smart pad is in contact with the human body, and by setting the main controller and lamps, it can also determine whether the person is in bed or leaving the bed by detecting whether the smart pad is in contact with the human body, thereby achieving It automatically controls the working status of the lamps, realizes intelligent turning on and off the lights, and avoids people having to turn on the lights in the dark when leaving the bed, which improves people's quality of life; it also has a power supply voltage conversion circuit that can convert high-voltage and dangerous power signals into Low-voltage safe power supply signal improves applicability and safety of use.
  • FIG. 14 is a schematic structural diagram of yet another intelligent light control system provided by an embodiment of the present application.
  • the intelligent light control system also includes: an ambient light detection circuit 60.
  • the ambient light detection circuit 60 is electrically connected to the power supply voltage conversion circuit 30 and the main controller 40.
  • the ambient light detection circuit 60 is configured to detect the intensity of ambient light. , and output the light detection result to the main controller 40; the main controller 40 is also configured to control the working state of the lamp 50 according to the light detection result.
  • the output terminal 306 of the power voltage conversion circuit 30 can provide a 5V power supply signal for the ambient light detection circuit 60 .
  • the ambient light detection circuit 60 is a photoelectric conversion switch circuit. When the light intensity exceeds a threshold, the photosensitive sensor circuit in the photoelectric conversion switch circuit outputs a low-level signal. When the light intensity is lower than a threshold, the photoelectric conversion switch circuit The photosensitive sensor circuit outputs a high level signal.
  • the main controller 40 can control the working state of the lamp 50 according to the smart pad detection result output by the smart detection circuit 20 and the ambient light detection result output by the ambient light detection circuit 60.
  • the control logic of the main controller 40 is shown in Table 1.
  • Ambient light detection results Smart pad test results Working status of lamps Low level signal (daytime) Low level signal (in bed) Lights off Low level signal (daytime) High level signal (getting out of bed) Lights off High level signal (night) Low level signal (in bed) Lights off High level signal (night) High level signal (getting out of bed) Light
  • the ambient light detection circuit 60 outputs a low-level signal.
  • Table 1 no matter whether the person is in bed or out of bed, that is, whether the intelligent detection circuit 20 outputs a high-level signal or a low-level signal, If there is a flat signal, the main controller 40 outputs a corresponding control signal to the control terminal 501 of the lamp 50 to cause the lamp 50 to turn off. Since the ambient light at night is weak, the ambient light detection circuit 60 outputs a high-level signal. When the person is in bed, the self-contained flexible sensor and the human body form a grounding capacitance, and the intelligent detection circuit 20 outputs a low-level signal.
  • the main controller 40 According to the main parameters in Table 1 above, the main controller 40 outputs a corresponding control signal to the control terminal 501 of the lamp 50 to cause the lamp 50 to turn off.
  • the intelligent detection circuit 20 When people leave the bed at night, the intelligent detection circuit 20 outputs a high-level signal.
  • the main controller 40 According to the control logic of the main controller 40 in Table 1 above, the main controller 40 outputs the corresponding control signal to the control terminal 501 of the lamp 50 so that the lamp 50 The light turns on, and then stays on, waiting for the person to go back to bed to rest. When people go back to bed to rest at night, the intelligent detection circuit 20 outputs a low-level signal.
  • the main controller 40 According to the control logic of the main controller 40 in Table 1 above, the main controller 40 outputs the corresponding control signal to the control terminal 501 of the lamp 50 so that the lamp 50 The light goes out, and then the lighting remains off until the person leaves the bed at night.
  • the embodiment of this application through the application of smart pads and smart detection circuits, can facilitate the elderly and weak people to avoid having to find a switch when they get up at night, so that the lights can be on when they get up at night, and the lights can be off when they sleep in bed at night, thus preventing the phenomenon of falling to the ground without lights. , improve the elderly's personal self-care ability and reduce the burden on their children; it can greatly improve the care efficiency of relevant individuals, families or related corporate personnel, while also reducing the care costs of elderly people who are weak and need long-term bed rest.
  • FIG. 15 is a schematic structural diagram of another intelligent light control system provided by an embodiment of the present application.
  • the lamp 50 includes a PWM drive circuit 51 and a lighting lamp 52.
  • the electrical signal receiving end 502 of the PWM drive circuit 51 is electrically connected to the output end 305 of the power supply voltage conversion circuit 30; the electrical signal output end of the PWM drive circuit 51 503 is electrically connected to the lighting lamp 52; the control end 501 of the PWM drive circuit (the control end of the lamp 50) is electrically connected to the PWM pulse signal output end 401 of the main controller 40; the main controller 40 outputs the PWM pulse signal to the PWM drive circuit.
  • 51 controls the working status of the lighting lamp 52.
  • the main controller 40 when the lighting lamp 52 is to be controlled to go off, the main controller 40 outputs a PWM pulse signal whose duty cycle slowly changes from 100% to 0% at a certain speed to the PWM drive circuit 51, and controls the lighting lamp 52 to gradually turn on. turns off; when the lighting lamp 52 is to be controlled to turn on, the main controller 40 outputs a PWM pulse signal whose voltage duty cycle slowly changes from 0% to 100% at a certain speed to the PWM drive circuit 51, and controls the lighting lamp 52 to gradually turn off. Brighten.
  • controlling the lights to gradually brighten can allow people enough time to adapt after the main controller sends a signal to control the lights, so as to avoid sudden brightening of the lights and accidents, which improves the intelligence of the intelligent light control system. and comfort of use.
  • the intelligent light control system provided by the embodiments of this application includes the intelligent detection circuit provided by any embodiment of this application, and has corresponding functional modules and effects.

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Abstract

一种智能垫（10）、智能检测电路及智能灯控系统。智能垫（10）包括：自容式柔性传感器（110），自容式柔性传感器（110）包括导电电极层（111）；在导电电极层（111）与人体的距离达到预设间距时，导电电极层（111）与人体构成接地电容，并输出电容信号。

Description

智能垫、智能检测电路及智能灯控系统
本申请要求在2022年04月20日提交中国专利局、申请号为202210418529.X的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及智能垫检测技术领域，例如涉及一种智能垫、智能检测电路及智能灯控系统。
背景技术
随着人口老龄化加剧，社会养老机构面临着巨大的压力，需要护理的老人的数量也逐渐增多，研发面对特殊人群的相关护理产品迫在眉睫，尤其是针对身体虚弱、需要长期卧床休息的人群，同时，对具有一定程度活动能力的老人或者患者，需要对其离床、回床活动进行实时的监测。
市场上设置为对特殊人群进行离床、回床活动进行监测的传感器大多采用硅压阻压力传感器、称重传感器、柔性薄膜压力传感器等，这些传感器属于点检测，有一定的倾向性，只能检测到发生在特定位置的动作，有一定的局限性，如果要对一个平面范围内的人进行在位与离位进行监测，需要安装大量传感器，其应用电路复杂，将这些传感器织入床品后，这些传感器的结构设计相当复杂，使用成本高且可靠性差，同时会影响床品的舒适度，采用这些传感器制造的产品很难得到大量推广和使用。
发明内容
本申请提供了一种智能垫、智能检测电路及智能灯控系统，以降低护理成本，提高护理效率。
本申请提供了一种智能垫，包括：
自容式柔性传感器，包括导电电极层；
在所述导电电极层与人体的距离达到预设间距的情况下，所述导电电极层设置为与所述人体构成接地电容，并输出电容信号。
本申请提供了一种智能检测电路，包括：上述智能垫和传感器检测电路；
所述传感器检测电路设置为获取所述智能垫中的自容式柔性传感器输出的电容信号，并根据所述电容信号确定智能垫检测结果。
本申请提供了一种智能灯控系统，包括：上述智能检测电路、电源电压转换电路、主控制器和灯具；
所述智能检测电路与所述主控制器电连接；所述智能检测电路设置为获取所述智能检测电路中的智能垫中的自容式柔性传感器输出的电容信号，并根据所述电容信号输出智能垫检测结果至所述主控制器；
所述电源电压转换电路的输入端设置为与外部电源电连接，所述电源电压转换电路的输出端与所述智能检测电路、所述主控制器和所述灯具电连接；所述电源电压转换电路设置为将所述外部电源的电源信号转换为所述智能检测电路、所述主控制器和所述灯具的供电信号；
所述主控制器与所述灯具的控制端电连接；所述主控制器设置为根据所述智能垫检测结果，控制所述灯具的工作状态。
附图说明
图1为本申请实施例提供的一种智能垫的结构示意图；
图2为本申请实施例提供的一种智能垫的截面结构示意图；
图3为本申请实施例提供的又一种智能垫的结构示意图；
图4为本申请实施例提供的又一种智能垫的截面结构示意图；
图5为本申请实施例提供的一种智能垫的俯视结构示意图；
图6为本申请实施例提供的又一种智能垫的俯视结构示意图；
图7为本申请实施例提供的又一种智能垫的俯视结构示意图；
图8为本申请实施例提供的又一种智能垫的俯视结构示意图；
图9为本申请实施例提供的又一种智能垫的俯视结构示意图；
图10为本申请实施例提供的一种智能检测电路的结构示意图；
图11为本申请实施例提供的又一种智能检测电路的结构示意图；
图12为本申请实施例提供的又一种智能检测电路的结构示意图；
图13为本申请实施例提供的一种智能灯控系统的结构示意图；
图14为本申请实施例提供的又一种智能灯控系统的结构示意图；
图15为本申请实施例提供的又一种智能灯控系统的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，所描述的实施例仅仅是本申请一部分的实施例。
本申请中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
本申请实施例提供一种智能垫，图1为本申请实施例提供的一种智能垫的结构示意图。如图1所示，智能垫10包括自容式柔性传感器110，自容式柔性传感器110包括导电电极层111。
在导电电极层111与人的距离达到预设间距时，导电电极层111与人体构成电容值可达数百皮法的接地电容，并输出电容信号。示例性的，在导电电极层111与人体的距离较远时，导电电极层111仅与地形成电容，电容容值较小；在导电电极层111与人体的距离达到预设间距时，导电电极层111还与人体构成接地电容，该接地电容与导电电极层111和地之间构成的电容并联，其具有较大的电容值，自容式柔性传感器110可输出较大的电容信号。其中，预设间距为4mm-200mm，导电电极层111与人体直接接触或与人体的距离在预设间距以内时，导电电极层111也可与人体构成电容值可达数百皮法的接地电容，并输出电容信号。
示例性的，智能垫10例如可以为床垫，铺放在床上，智能垫10可与专用肢体触摸检测电路装置结合使用，应用场景例如可以为需要卧床休养的特殊人群，当特殊人群不听医嘱擅自离床或意外离床摔在地上时，专用肢体触摸检测电路装置会及时报警，提醒相关护理人员进行相应的处理，确保被监测人员的安全，同时可以提高护理人员的工作效率和工作质量。
本申请实施例，通过自容式传感器可检测人是否在智能垫上，结构简单，制作成本低，方便应用于柔性产品中，便于推广；而且检测面积大，无论被监测人员是坐、卧或躺，均可以检测出来，可靠性好；自容式柔性传感器主要依靠导电电极层工作，不易受温度影响，能经受相当大的温度变化作用，可以在温度变化大的恶劣环境下工作，适用性好；自容式柔性传感器可与其他检测电路装置结合使用，可增加护理项目，应用可多样性，还可以提高护理效率，降低护理成本。
可选的，图2为本申请实施例提供的一种智能垫的截面结构示意图。如 图2所示，智能垫10还包括电极扣121；导电电极层111通过电极扣121与传感器检测电路(图中未示出)电连接。其中，本申请实施例对电极扣121的类型不做限制，可以是公扣也可以是母扣，为便于说明，以电极扣121为公扣为例进行说明。
示例性的，导电电极层111通过电极扣121与传感器检测电路等检测装置电连接，在电极扣121为公扣时，电极扣121通过母扣与传感器检测电路等检测装置电连接，通过电极扣121方便更换自容式柔性传感器110，也方便更换传感器检测电路等检测装置，使得自容式柔性传感器110可以应用于更多的使用场景。电极扣121可以在自容式柔性传感器110的任意位置，智能垫10可包括多个电极扣121，多个电极扣121均与导电电极层111电连接。一般情况下，为提高被监测人员的舒适度和智能垫10的简洁度，电极扣121可固定于导电电极板111且靠近自容式柔性传感器10边缘的位置。
可选的，图3为本申请实施例提供的又一种智能垫的结构示意图。如图3所示，智能垫10还包括柔性载体130；自容式柔性传感器110固定于柔性载体130上。柔性载体130为绝缘体。
示例性的，为防止自容式柔性传感器110在智能垫10上发生位移，可通过胶带和/或缝纫的方式将自容式柔性传感器110固定于柔性载体130上，参考图3，以缝纫的方式固定自容式柔性传感器110为例，用缝纫线140经缝纫加工，将自容式柔性传感器110固定于柔性载体130上，形成图3所示的智能垫10。柔性载体130设置为固定自容式柔性传感器110，使其不易移位、变形，柔性载体130包括纯棉亲肤布料、海绵、乳胶等材质，可以提高被监测人员的舒适度。
可选的，图4为本申请实施例提供的又一种智能垫的截面结构示意图。如图4所示，柔性载体130包括第一柔性载体131、第二柔性载体132和第三柔性载体133；第二柔性载体132位于第一柔性载体131和第三柔性载体133之间；自容式柔性传感器110固定于第二柔性载体132靠近第一柔性载体131的一侧。
示例性的，以缝纫式连接、第一柔性载体131和第三柔性载体133均包括纯棉亲肤布料为例。先使用缝纫线141将自容式柔性传感器110固定于第二柔性载体132上，然后将电极扣121固定于导电电极板111上与导电电极层111电连接，再将第一柔性载体131和第三柔性载体133分别覆盖在第二载体132的两侧，并用缝纫线142固定。第二柔性载体132可包括与第一柔性载体131和第三柔性载体133材质相同的纯棉亲肤布料，也可包括海绵、乳胶等弹性材质以增加舒适度，本申请实施例对此不做限定。
本申请实施例，智能垫采用三层结构，包括第一柔性载体、中间的自容式柔性传感器与第二柔性载体，和第三柔性载体，第一柔性载体和第三柔性载体设置为保护中间的自容式柔性传感器，使得导电电极层在使用和反复水洗过程中不易损坏，易清洁，使用寿命长。
可选的，导电电极层包括至少一条导电带；导电带包括导电布，导电带可为整块导电布裁剪而成。其中，导电布是以纤维布(一般常用聚酯纤维布)为基材，经过前置处理后施以电镀金属镀层使其具有金属特性而成为导电纤维布，导电布广泛用于制作电子、电磁等高辐射工作服，本申请实施例将导电布作为自容式柔性传感器的导电电极层，可折叠可水洗，且成本低廉。
示例性的，图5为本申请实施例提供的一种智能垫的俯视结构示意图，如图5所示，导电电极层111包括多条纵向的第一导电带1101和一条横向的第二导电带1102，构成如图5所示的梳状导电电极层111，导电电极层111可以通过胶带式连接固定在柔性载体130上，第一导电带1101和第二导电带1102包括带背胶的导电布，第一导电带1101与第二导电带1102之间电连接，所有的第一导电带1101均与第二导电带1102导通。
示例性的，图6和图7为本申请实施例提供的又一种智能垫的俯视结构示意图，如图6和图7所示，导电电极层111包括多条纵向的第一导电带1101和多条横向的第二导电带1102，构成如图6所示的蛇形导电电极层111和如图7所示的回形导电电极层111，导电电极层111可以通过胶带式连接固定在柔性载体130上，第一导电带1101和第二导电带1102包括带背胶的导电布，第一导电带1101与第二导电带1102相互之间电连接，相邻的第一导电带1101通过第二导电带1102相互电连接。
示例性的，图8和图9为本申请实施例提供的又一种智能垫的俯视结构示意图，如图8和图9所示，导电电极层111包括一条曲线导电带1103，构成如图8所示的阿基米德螺旋线式导电电极层111和如图9所示的近似阿基米德螺旋线式导电电极层111，阿基米德螺旋线式导电电极层111可以通过胶带式连接固定在圆形柔性载体130上，近似阿基米德螺旋线式导电电极层111可以通过胶带式连接固定在椭圆形柔性载体130上，曲线导电带1103包括带背胶的导电布，适用于圆形、椭圆形智能垫10，例如可以应用于加热座垫，结合座垫加热电路使用，在人体接触座垫时加热，在人体离开座垫时停止加热。
导电带所使用的导电布是柔性材料，可以很方便织入特种使用环境，其中导电带的布局、间隔距离、宽度、使用长度等参数可根据使用场景来作相应修改，本申请实施例对此不做限定。
本申请实施例，通过将导电电极层设置成导电带的结构，可以避免误检，例如家里有宠物时，宠物有踩踏智能家具的可能，而宠物的四肢一般较纤细，通过设置导电带可以适当降低柔性传感器的灵敏度，进行筛查性检测，只检测被监测人员的人体接触，过滤掉宠物的接触；此外，通过间隔设置的多条导电带，采用由线到面的结构设计导电电极层，有效扩大了自容式柔性传感器的检测范围，检测范围可根据实际需要设计，可大可小，对于大范围的检测也可仅使用一个自容式柔性传感器，响应时间短，适合于在线和动态测量被监测人员是否离开智能垫，减少了成本，而且导电电极层使用的材料减少，可以减少成本，降低护理成本。
本申请实施例还提供一种智能检测电路，图10为本申请实施例提供的一种智能检测电路的结构示意图。如图10所示，智能检测电路包括智能垫10和传感器检测电路20，其中，智能垫10为本申请任意实施例所提供的智能垫10；传感器检测电路20设置为获取智能垫10中的自容式柔性传感器110输出的电容信号，并根据电容信号确定智能垫检测结果。
传感器检测电路20与自容式柔性传感器110的导电电极层111电连接，传感器检测电路20可根据自容式柔性传感器110输出的电容信号确定智能垫10是否与人体接触。示例性的，传感器检测电路20可以对自容式柔性传感器110输出的电容信号进行信号处理，不同的处理结果可以表示智能垫10上是否有人体接触。
本申请实施例，通过任意实施例所提供的智能垫和传感器检测电路可以组成智能检测电路，智能垫可以根据是否与被监测人员接触输出不同的电容信号，传感器检测电路可以根据不同的电容信号输出不同的处理结果，进而确定智能垫上是否有人体接触，实现智能监测，可应用于康复护理、健康养老等产品中，可根据智能垫检测结果及时通知护理人员，提醒护理人员进行相应的处理，可有效提高护理人员的工作质量和工作效率。
可选的，图11为本申请实施例提供的又一种智能检测电路的结构示意图。如图11所示，传感器检测电路包括振荡电路210、信号处理电路220和比较电路230；振荡电路210的输出端212与自容式柔性传感器110和信号处理电路220的输入端221电连接；信号处理电路220的输出端222与比较电路230的第一输入端221电连接；比较电路230的第二输入端232与参考电压源电连接。其中，振荡电路210设置为产生振荡信号；信号处理电路220设置为将振荡信号转换为直流信号；比较电路230设置为将直流信号的电压与参考电压源的电压进行比较，并输出比较结果。
示例性的，参考电压源的参考电压为1V，振荡电路210的输入端211 与电源电连接，电源为振荡电路210提供5V的直流电源信号，直流电源信号经振荡电路210可转换为峰值为5V的330kHz的振荡信号。在智能垫10上无人体接触时，振荡电路210输出的振荡信号全部到达信号处理电路220，信号处理电路220可将振荡信号转换为直流信号，该直流信号的电压源大于参考电压的1V，经比较电路230比较后，输出端233输出高电平信号，该高电平信号表示智能垫10上无人体接触；在智能垫10上有人体接触时，导电电极层111与人体构成电容值可达数百皮法的接地电容，振荡电路210输出的振荡信号绝大部分经接地电容接地，仅有小部分振荡信号到达信号处理电路220，信号处理电路220将小部分的振荡信号转换为直流信号，该直流信号远小于参考电压的1V，经比较电路230比较后，输出端233输出低电平信号，该低电平信号表示智能垫10上有人体接触。参考电压源是一个可方便调节参考电压的装置。
可选的，图12为本申请实施例提供的又一种智能检测电路的结构示意图。如图12所示，传感器检测电路还包括耦合电路240，耦合电路240包括串联的第一电阻R1和第一电容C1；振荡电路210的输出端212通过耦合电路240与自容式柔性传感器110和信号处理电路220的输入端221电连接。第一电阻R1和第一电容C1可以耦合振荡电路210输出的振荡信号，提出振荡信号中的交流部分。
可选的，继续参考图12，信号处理电路220包括第二电阻R2、第三电阻R3、第二电容C2和整流二极管D1；第二电阻R2的第一端和整流二极管D1的阴极端均与振荡电路210和自容式柔性传感器110电连接；第二电阻R2的第二端与第三电阻R3的第一端、第二电容C2的第一端和比较电路230的第一输入端231电连接；整流二极管D1的阳极端、第三电阻R3的第二端和第二电容C2的第二端均接地。
第三电阻R3远大于第二电阻R2，第二电阻R2起到限流的作用，整流二极管D1可整流振荡信号，第三电阻R3和第二电容C2起到滤波的作用。
本申请实施例所提供的智能检测电路包括本申请任意实施例所提供的智能垫，具备相应的功能模块和效果。
本申请实施例还提供一种智能灯控系统，图13为本申请实施例提供的一种智能灯控系统的结构示意图。如图13所示，智能灯控系统包括智能检测电路20、电源电压转换电路30、主控制器40和灯具50，其中，智能检测电路20为本申请任意实施例所提供的智能检测电路20；智能检测电路20与主控制器40电连接，智能检测电路20设置为获取智能垫中的自容式柔性传感器输出的电容信号，并根据电容信号输出智能垫检测结果至主控制器40；电源 电压转换电路30的输入端301与外部电源电连接，电源电压转换电路30的输出端302、304、305分别与智能检测电路20、主控制器30和灯具50电连接，电源电压转换电路30设置为将外部电源的电源信号转换为智能检测电路20、主控制器40和灯具50的供电信号；主控制器40与灯具50的控制端501电连接，主控制器40设置为根据智能垫检测结果，控制灯具50的工作状态。
示例性的，外部电源例如可以是家用电源，输出220V的50Hz交流市电，电源电压转换电路30可以将高压危险的电源信号转换为低压安全的直流供电信号，例如可以将220V的电源信号转换为12V和5V的供电信号。其中，电源电压转换电路30的输出端302、304可以为智能检测电路20和主控制器40提供5V的供电信号，电源电压转换电路30的输出端305可以为灯具50提供12V的供电信号。主控制器40包括低功耗的单片计算机，当主控制器40包括低功耗的单片计算机时，主控制器40例如可以为STC15W-xxx系列单片计算机，它带有多个输入/输出(Input/Output，I/O)口，内置有带电可擦可编程只读存储器(Electrically Erasable Programmable Read Only Memory，EEPROM)、程序存储器、多个外部中断、内部定时中断、脉冲宽度调制(Pulse Width Modulation，PWM)输出控制引脚等端口。灯具50包括发光二极管(Light-Emitting Diode，LED)灯。
示例性的，智能检测电路20可以检测智能垫是否与人体接触，当智能垫与人体接触时，智能检测电路20输出低电平信号至主控制器40，主控制器40根据该低电平信号输出控制信号至灯具，控制灯具停止发光；当智能垫与人体无接触时，智能检测电路20输出高电平信号至主控制器40，主控制器40根据该高电平信号输出控制信号至灯具，控制灯具发光。应用场景例如可以为床垫，当人在床时，灯具自动关闭，当人离床时，灯具自动开启。
本申请实施例，通过设置包括智能垫的智能检测电路可以检测智能垫是否与人体接触，还通过设置主控制器和灯具可以通过检测智能垫是否与人体接触判断人在床、离床，进而实现自动控制灯具的工作状态，实现智能开灯和智能关灯，避免人离床时还要摸黑开灯，提高了人的生活质量；还设置了电源电压转换电路可以将高压危险的电源信号转换为低压安全的供电信号，提高了适用性和使用安全性。
可选的，图14为本申请实施例提供的又一种智能灯控系统的结构示意图。如图14所示，智能灯控系统还包括：环境光检测电路60，环境光检测电路60与电源电压转换电路30和主控制器40电连接，环境光检测电路60设置为检测环境光线的强度，并将光线检测结果输出至主控制器40；主控制器40还设置为根据光线检测结果，控制灯具50的工作状态。
示例性的，电源电压转换电路30的输出端306可以为环境光检测电路60提供5V的供电信号。环境光检测电路60是一个光电转换开关电路，当光线强度超过一阀值，光电转换开关电路中的光敏传感器电路输出低电平信号，当光线强低于一阀值，光电转换开关电路中的光敏传感器电路输出高电平信号。主控制器40可以根据智能检测电路20输出的智能垫检测结果和环境光检测电路60输出的环境光线检测结果，控制灯具50的工作状态，主控制器40的控制逻辑如表1所示。
表1主控制器的控制逻辑表
环境光线检测结果 智能垫检测结果 灯具的工作状态
低电平信号(白天) 低电平信号(在床) 灯灭
低电平信号(白天) 高电平信号(离床) 灯灭
高电平信号(夜间) 低电平信号(在床) 灯灭
高电平信号(夜间) 高电平信号(离床) 灯亮
示例性的，由于白天环境光线强，环境光检测电路60输出低电平信号，根据上表1，无论人在床还是离床也即智能检测电路20输出的无论是高电平信号还是低电平信号，主控制器40均输出相应的控制信号至灯具50的控制端501使得灯具50的灯灭。由于夜间环境光弱，环境光检测电路60输出高电平信号，人在床时，自容式柔性传感器与人体构成接地电容，智能检测电路20输出低电平信号，根据上表1中的主控制器40的控制逻辑，主控制器40输出相应的控制信号至灯具50的控制端501使得灯具50的灯灭。夜间人离床时，智能检测电路20输出高电平信号，根据上表1中的主控制器40的控制逻辑，主控制器40输出相应的控制信号至灯具50的控制端501使得灯具50的灯亮，然后一直保持灯亮的状态，等待人回床休息。夜间人回床休息时，智能检测电路20输出低电平信号，根据上表1中的主控制器40的控制逻辑，主控制器40输出相应的控制信号至灯具50的控制端501使得灯具50的灯灭，然后照明灯一直保持灭的状态，直至人在夜间离床。
本申请实施例，通过应用智能垫以及智能检测电路，可以方便老人、身体虚弱的人夜晚起夜时不用找开关，做到夜晚起床灯亮，夜晚睡在床上灯灭，防止无灯摔地的现象，提高老人的个人自理能力，减轻子女负担；可大大提高相关个人家庭或相关企业人员的护理效率，同时也降低身体虚弱并且需要长期卧床休息的老年人护理成本。
可选的，图15为本申请实施例提供的又一种智能灯控系统的结构示意图。如图15所示，灯具50包括PWM驱动电路51和照明灯52，PWM驱动电路 51的电信号接收端502与电源电压转换电路30的输出端305电连接；PWM驱动电路51的电信号输出端503与照明灯52电连接；PWM驱动电路的控制端501(灯具50的控制端)与主控制器40的PWM脉冲信号输出端401电连接；主控制器40通过输出PWM脉冲信号至PWM驱动电路51控制照明灯52的工作状态。
示例性的，在要控制照明灯52灭时，主控制器40输出占空比以一定速度由100％慢慢变到0％的PWM脉冲信号至PWM驱动电路51，控制照明灯52由亮逐渐变灭；在要控制照明灯52亮时，主控制器40输出电压占空比以一定速度由0％慢慢变到100％的PWM脉冲信号至PWM驱动电路51，控制照明灯52由灭逐渐变亮。
本申请实施例，通过控制照明灯逐渐变灭可以在主控制器发出控制灯灭的信号后给人留出足够的反应时间，避免灯灭的太快，不适应或者意外摔倒等情况，通过控制照明灯逐渐变亮，可以在主控制器发出控制灯亮的信号后给人留出足够的适应时间，以避免照明灯突然变亮刺眼、出现意外等情况，提高了智能灯控系统的智能性以及使用舒适度。
本申请实施例所提供的智能灯控系统包括本申请任意实施例所提供的智能检测电路，具备相应的功能模块和效果。

Claims (12)

  1. 一种智能垫，包括：
    自容式柔性传感器，包括导电电极层；
    在所述导电电极层与人体的距离达到预设间距的情况下，所述导电电极层设置为与所述人体构成接地电容，并输出电容信号。
  2. 根据权利要求1所述的智能垫，还包括：电极扣；
    所述导电电极层通过所述电极扣设置为与传感器检测电路电连接。
  3. 根据权利要求1所述的智能垫，还包括：柔性载体；
    所述自容式柔性传感器固定于所述柔性载体上。
  4. 根据权利要求3所述的智能垫，其中，所述柔性载体包括：第一柔性载体、第二柔性载体和第三柔性载体；所述第二柔性载体位于所述第一柔性载体和所述第三柔性载体之间；
    所述自容式柔性传感器固定于所述第二柔性载体靠近所述第一柔性载体的一侧。
  5. 根据权利要求1所述的智能垫，其中，所述导电电极层包括至少一条导电带；
    所述导电带包括导电布。
  6. 一种智能检测电路，包括：权利要求1-5中任一项所述的智能垫和传感器检测电路；
    所述传感器检测电路设置为获取所述智能垫中的自容式柔性传感器输出的电容信号，并根据所述电容信号确定智能垫检测结果。
  7. 根据权利要求6所述的智能检测电路，其中，所述传感器检测电路包括：振荡电路、信号处理电路和比较电路；
    所述振荡电路的输出端与所述自容式柔性传感器和所述信号处理电路的输入端电连接；所述信号处理电路的输出端与所述比较电路的第一输入端电连接；所述比较电路的第二输入端设置为与参考电压源电连接；
    所述振荡电路设置为产生振荡信号；所述信号处理电路设置为将所述振荡信号转化为直流信号；所述比较电路设置为将所述直流信号的电压与所述参考电压源的电压进行比较，并输出比较结果。
  8. 根据权利要求7所述的智能检测电路，还包括：耦合电路；所述耦合电路包括串联的第一电阻和第一电容；
    所述振荡电路的输出端通过所述耦合电路与所述自容式柔性传感器和所述信号处理电路的输入端电连接。
  9. 根据权利要求7所述的智能检测电路，其中，所述信号处理电路包括第二电阻、第三电阻、第二电容和整流二极管；
    所述第二电阻的第一端和所述整流二极管的阴极端均与所述振荡电路和所述自容式柔性传感器电连接；所述第二电阻的第二端与所述第三电阻的第一端、所述第二电容的第一端和所述比较电路的第一输入端电连接；所述整流二极管的阳极端、所述第三电阻的第二端和所述第二电容的第二端均设置为接地。
  10. 一种智能灯控系统，包括：权利要求6-9中任一项所述的智能检测电路、电源电压转换电路、主控制器和灯具；
    所述智能检测电路与所述主控制器电连接；所述智能检测电路设置为获取所述智能检测电路中的智能垫中的自容式柔性传感器输出的电容信号，并根据所述电容信号输出智能垫检测结果至所述主控制器；
    所述电源电压转换电路的输入端设置为与外部电源电连接，所述电源电压转换电路的输出端与所述智能检测电路、所述主控制器和所述灯具电连接；所述电源电压转换电路设置为将所述外部电源的电源信号转换为所述智能检测电路、所述主控制器和所述灯具的供电信号；
    所述主控制器与所述灯具的控制端电连接；所述主控制器设置为根据所述智能垫检测结果，控制所述灯具的工作状态。
  11. 根据权利要求10所述的智能灯控系统，还包括：环境光检测电路；
    所述环境光检测电路与所述电源电压转换电路和所述主控制器电连接；所述环境光检测电路设置为检测环境光线的强度，并将光线检测结果输出至所述主控制器；
    所述主控制器还设置为根据所述光线检测结果，控制所述灯具的工作状态。
  12. 根据权利要求10所述的智能灯控系统，其中，所述灯具包括脉冲宽度调制PWM驱动电路和照明灯；
    所述PWM驱动电路的电信号接收端与所述电源电压转换电路的输出端电连接；所述PWM驱动电路的电信号输出端与所述照明灯电连接；所述PWM驱动电路的控制端与所述主控制器的PWM脉冲信号输出端电连接；
    所述主控制器设置为通过输出PWM脉冲信号至所述PWM驱动电路控制所述照明灯的工作状态。
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