CN105662374B - Pressure sensing equipment working state reminding method and device and physiological signal acquisition pad - Google Patents
Pressure sensing equipment working state reminding method and device and physiological signal acquisition pad Download PDFInfo
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- CN105662374B CN105662374B CN201610126964.XA CN201610126964A CN105662374B CN 105662374 B CN105662374 B CN 105662374B CN 201610126964 A CN201610126964 A CN 201610126964A CN 105662374 B CN105662374 B CN 105662374B
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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Abstract
The invention discloses a method and a device for reminding the working state of pressure sensing equipment and a physiological signal acquisition pad, wherein the reminding method comprises the following steps: acquiring a working signal of the pressure sensing equipment; and comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, sending a signal for reminding the normal work of the pressure sensing equipment, and otherwise, not sending a signal for reminding the normal work of the pressure sensing equipment. The method and the device for reminding the working state of the pressure sensing equipment and the physiological signal acquisition pad can trigger the reminding signal at a certain moment when the working signal changes state during use, and can greatly save energy consumed for reminding the pressure sensing equipment of being normal.
Description
Technical Field
The invention relates to the field of detection of whether pressure sensing equipment is normal or not, in particular to a method and a device for reminding the working state of the pressure sensing equipment and a physiological signal acquisition pad.
Background
The micro-motion sensor arranged at the positions of the mattress, the cushion, the foot pad and the like can be used for sensing physiological signals of heartbeat, breath, rolling and the like of a user in a non-contact way, the energy consumption of the micro-motion sensor during working and sleeping affects the continuous service time of the micro-motion sensor, and the energy consumption is required to be saved as much as possible so as to provide the continuous service time of the micro-motion sensor, so that an indicator light is required to clearly indicate whether equipment is normal or not, the working time is also required to be reduced as much as possible, obviously, continuous lighting or short-time intermittent lighting in working is not a good method, and most of flickering is unknown, so that the work is.
For example, when one device works together, one LED lamp is turned on to flash according to 1% of working system, and does not flash when sleeping, in order to observe whether the device is normal, a user is usually required to flap a sensor to wake up the device, immediately see that the indicator lamp starts to flash intermittently, and after several seconds, the device sleeps, and the indicator lamp does not flash any more. Accordingly, we can conclude that the device is working properly. The device has the advantages that the logic is simple, and the indicator light is intermittently lightened when the device is awakened; the disadvantage is that in most cases, the user does not observe whether the equipment is working normally-the equipment is placed under the mattress and other objects, and the flicker is difficult to observe. The indicating lamp consumes more energy when flickering, if the equipment consumes 2mA when working, the LED indicating lamp consumes 30mA when working, the indicating lamp works according to a 1% working system, and the actual average consumed current of the indicating lamp is 300uA, therefore, 15% of energy consumption of the equipment is used for indication when working, and the equipment is not proper.
Disclosure of Invention
The invention mainly aims to provide a method and a device for reminding the working state of pressure sensing equipment, which can reduce the reminding energy consumption loss.
In order to achieve the above object, the present invention provides a method for reminding a working state of a pressure sensing device, including:
acquiring a working signal of the pressure sensing equipment;
and comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, sending a signal for reminding the normal work of the pressure sensing equipment, and otherwise, not sending a signal for reminding the normal work of the pressure sensing equipment.
Further, the step of comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, sending a signal for reminding the pressure sensing device of normal operation, and otherwise, not sending a signal for reminding the pressure sensing device of normal operation includes:
judging whether the working signal is in a rising change process, and if so, comparing the working signal with a preset signal threshold;
and if the working signal is equal to the signal threshold value at a certain moment in the rising process, sending a signal for reminding the normal work of the pressure sensing equipment, otherwise, not sending a signal for reminding the normal work of the pressure sensing equipment.
Further, the step of comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, sending a signal for reminding the pressure sensing device of normal operation, and otherwise, not sending a signal for reminding the pressure sensing device of normal operation includes:
judging whether the working signal is in a micro-motion equilibrium state or not;
if the working signal is equal to the preset signal threshold at a certain moment in the change process, the signal for reminding the normal work of the pressure sensing equipment is not sent; if not, the working signal sends out a signal for reminding the normal work of the pressure sensing equipment when a certain moment in the change process is equal to the signal threshold value.
Further, the signal for reminding the pressure sensing device of working normally is:
the indicator light flashes a signal and/or a sound signal.
The invention also provides a device for reminding the working state of the pressure sensing equipment, which comprises:
the acquisition unit is used for acquiring a working signal of the pressure sensing equipment;
and the comparison reminding unit is used for comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, a signal for reminding the normal work of the pressure sensing equipment is sent, and otherwise, a signal for reminding the normal work of the pressure sensing equipment is not sent.
Further, the comparison reminding unit includes:
the judging and comparing module is used for judging whether the working signal is in a rising change process, and if the working signal is in the rising change process, comparing the working signal with a preset signal threshold;
and the judgment reminding module is used for sending a signal for reminding the normal work of the pressure sensing equipment if the working signal is equal to the signal threshold value at a certain moment in the rising process, and otherwise, not sending the signal for reminding the normal work of the pressure sensing equipment.
Further, the comparison reminding unit includes:
the balance judging module is used for judging whether the working signal is in a micro balance state or not;
the judging module is used for not sending a signal for reminding the normal work of the pressure sensing equipment when the working signal is in a micro-motion equilibrium state and a certain moment in the change process of the working signal is equal to a preset signal threshold value; and if the working signal is not in the micro-motion equilibrium state, the working signal sends a signal for reminding the pressure sensing equipment of working normally when a certain moment in the change process is equal to the signal threshold value.
Further, the comparison reminding unit includes:
the indicating lamp module is used for sending out an indicating lamp flickering signal; and/or the presence of a gas in the gas,
and the sound module is used for emitting sound signals.
The invention also provides a physiological signal acquisition pad, which comprises a pad body and pressure sensing equipment arranged in the pad body, wherein the pressure sensing equipment comprises a pressure sensing equipment working state reminding device, and the reminding device comprises:
the acquisition unit is used for acquiring a working signal of the pressure sensing equipment;
a comparison reminding unit for comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, sending a signal for reminding the normal work of the pressure sensing equipment, otherwise, not sending the signal for reminding the normal work of the pressure sensing equipment
Further, the comparison reminding unit includes:
the judging and comparing module is used for judging whether the working signal is in a rising change process, and if the working signal is in the rising change process, comparing the working signal with a preset signal threshold;
and the judgment reminding module is used for sending a signal for reminding the normal work of the pressure sensing equipment if the working signal is equal to the signal threshold value at a certain moment in the rising process, and otherwise, not sending the signal for reminding the normal work of the pressure sensing equipment.
Further, the comparison reminding unit includes:
the balance judging module is used for judging whether the working signal is in a micro balance state or not;
the judging module is used for not sending a signal for reminding the normal work of the pressure sensing equipment when the working signal is in a micro-motion equilibrium state and a certain moment in the change process of the working signal is equal to a preset signal threshold value; and if the working signal is not in the micro-motion equilibrium state, the working signal sends a signal for reminding the pressure sensing equipment of working normally when a certain moment in the change process is equal to the signal threshold value.
Further, the comparison reminding unit includes:
the indicating lamp module is used for sending out an indicating lamp flickering signal; and/or the presence of a gas in the gas,
and the sound module is used for emitting sound signals.
The invention relates to a method and a device for reminding the working state of pressure sensing equipment, which compare a preset signal threshold value with a working signal, and send a signal for reminding the normal working of the pressure sensing equipment when the working signal is equal to the signal threshold value at a certain moment in the change process, so that the energy consumed by sending the signal for reminding whether the pressure sensing equipment works normally can be reduced, for example, in the reminding method of an isochronal flashing indicator lamp in the prior art, a user can not always observe the indicator lamp, and the flashing of the indicator lamp is in idle work for most of the time, but the method and the device for reminding the working state of the pressure sensing equipment can send a reminding signal only when the triggering condition is reached, and remind when the working signal reaches the signal threshold value in the change process, namely, if the working signal is always equal to the signal threshold value, is larger than the signal threshold value or smaller than the signal threshold value, the reminding signal can not be sent, so that the signal for reminding the pressure sensing equipment of being normal can be sent only when the user just uses the pressure sensing equipment or specially manufactures the reminding environment, and the energy consumed for reminding the pressure sensing equipment of being normal can be greatly saved. The physiological signal acquisition pad has the same effects as above.
Drawings
Fig. 1 is a flowchart of a method for reminding a working state of a pressure sensing device according to an embodiment of the present invention;
FIG. 2 is a flow chart of comparing a working signal to a predetermined signal threshold according to an embodiment of the present invention;
FIG. 3 is a flow chart of comparing a working signal with a predetermined signal threshold according to another embodiment of the present invention;
fig. 4 is a block diagram of a device for reminding a working state of a pressure sensing apparatus according to an embodiment of the present invention;
FIG. 5 is a block diagram of a comparison reminding unit according to an embodiment of the present invention;
FIG. 6 is a block diagram of a physiological signal acquisition pad according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, an embodiment of the present invention provides a method for reminding a working state of a pressure sensing device, including:
s1, acquiring a working signal of the pressure sensing equipment;
and S2, comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, sending a signal for reminding the normal work of the pressure sensing equipment, otherwise, not sending a signal for reminding the normal work of the pressure sensing equipment.
As described in step S1, the working signal of the pressure sensor device needs to be obtained, and then the subsequent related determination processing procedure can be performed to send out the signal for prompting the working state of the pressure sensor device in time. In this embodiment, the pressure sensing device may be a piezoelectric sensor, a piezoelectric film sensor, a pressure sensor, a dynamic magnetic sensor, or the like, which outputs a corresponding signal due to a change in pressure.
As described in step S2 above, the signal threshold is a signal value that can be reached by the pressure sensing device by conventional means. In this embodiment, it is required that only when the working signal is equal to the signal threshold at a certain time in the change process, the signal for reminding the normal operation of the pressure sensing device is sent, otherwise, the signal for reminding the normal operation of the pressure sensing device is not sent, that is, only when the user makes a certain action to change the working signal collected by the pressure sensing device, the signal for reminding the normal operation of the pressure sensing device may be obtained. When the working signal collected by the pressure sensing equipment is greater than, equal to or less than the threshold signal for a long time, the signal for reminding the normal work of the pressure sensing equipment can not be triggered, and the energy consumed by sending the reminding signal can be greatly reduced. In a specific embodiment, a pressure sensing device is arranged in a mattress, when a human body lies on the mattress, a pressure signal acquired by the pressure sensing device in the mattress is generally within 1000 newtons, for example, a signal threshold is set to be 500 newtons, the weight of a lying person is 60 kilograms, the pressure signal acquired by the pressure sensing device is about 600 newtons, when the human body stably lies on the mattress, a working signal, that is, the pressure signal is about 600 newtons, although the working signal is greater than the signal threshold, there is no change process, so that a signal for reminding the normal work of the pressure sensing device is not sent, and when a user goes to bed or gets out of bed, the working signal is necessarily equal to 500 newtons at a certain time, a signal for reminding the normal work of the pressure sensing device is sent, at this time, when the user wants to check whether the pressure sensing device works normally or not in a normal use habit, the use requirements of users can be met, the energy consumption can be saved, and the endurance time of the pressure sensor equipment is prolonged. In other embodiments, the signal threshold may be set according to actual use conditions, for example, the weight of the user of the mattress is 40 kg, and the signal threshold may be correspondingly modified and may be set to 500 n, 300 n, or 400 n, and when the signal is greater than the pressure signal generated by the mass of the user, the signal threshold may not be set too high, and it is generally preferable to ensure that the impact force generated by the human body on the mattress during getting into the bed can reach the signal threshold.
Referring to fig. 2, in this embodiment, the step S2 of comparing the working signal with the preset signal threshold, and if the working signal is equal to the signal threshold at a certain time in the change process, sending a signal for reminding the pressure sensing device of normal operation, and otherwise, not sending the signal for reminding the pressure sensing device of normal operation includes:
s211, judging whether the working signal is in a rising change process, and if the working signal is in the rising change process, comparing the working signal with a preset signal threshold;
s212, if the working signal is equal to the signal threshold value at a certain moment in the rising process, sending a signal for reminding the normal work of the pressure sensing equipment, otherwise, not sending the signal for reminding the normal work of the pressure sensing equipment.
As described in steps S211 and S22, the operation signal in the ascending change is compared with the signal threshold, so that the number of times of sending the alert signal can be further reduced, and the energy consumption can be reduced. The working signal is generally changed from small to big, and then is reduced to a moderate value after reaching the maximum value, for example, a pressure sensing device is arranged in a mattress, when a user gets on the bed, an impact force is generated on the mattress, the working signal collected by the pressure sensing device is suddenly changed to big, and then returns to a pressure signal generated by the self gravity of the user, in the process of getting on the mattress, if a proper signal threshold is larger than the pressure signal generated by the self gravity of the user, only if the pressure signal generated under the impact force when getting on the bed reaches the signal threshold, a signal for reminding the normal work of the pressure sensing device can be sent out, and in the process of falling, although the signal threshold is passed, the speed of the impact force disappears is very fast, and after the user lies, the reminding signal is not convenient to observe, and the sending of a reminding signal can be reduced, and energy is saved. In another embodiment, if the weight of the user is large, the gravity generated by the user acts on the pressure sensing equipment, and then is greater than the signal threshold value, only when the user gets up, namely, a certain moment when the work signal rises is equal to the signal threshold value, the user cannot trigger the sending of the reminding signal again when the user is on the mattress, and in this case, the sending of the signal of the normal work of the pressure sensing equipment cannot be influenced. The pressure sensing equipment can be used safely only after the normal use of the pressure sensing equipment is confirmed, so that a working signal is equal to a signal threshold value at a certain moment in the rising process, a signal for reminding the normal work of the pressure sensing equipment is sent, the result can be known when the use is started, and the use of a user is facilitated.
Referring to fig. 3, in another embodiment, the step S2 of comparing the operation signal with the preset signal threshold, and if the operation signal is equal to the signal threshold at a certain time during the variation process, then sending a signal to remind the pressure sensing device of normal operation, otherwise, not sending a signal to remind the pressure sensing device of normal operation includes:
s221, judging whether the working signal is in a micro-motion equilibrium state;
s222, if the working signal is equal to the signal threshold value at a certain moment in the change process, a signal for reminding the pressure sensing equipment of working normally is not sent; if not, the working signal sends out a signal for reminding the normal work of the pressure sensing equipment when a certain moment in the change process is equal to the signal threshold value.
As described in the above steps S211 and S22, it is first determined whether the working signal is in a micro-motion equilibrium state, for example, if a human body lies on a mattress, a pressure sensing device is disposed in the mattress, and generally, the working signal collected by the pressure sensing device is a relatively stable signal oscillating within an amplitude range, which indicates that the user does not perform a gross movement, and then it is not necessary to observe whether the pressure sensing device is normal, so that even if the working signal is equal to the signal threshold at a certain time in the variation process, a signal reminding the pressure sensing device of normal operation is not sent. If the working signal is not in an equilibrium state, when a certain moment of the working signal in the change process is equal to the signal threshold, a signal for reminding the normal work of the pressure sensing equipment is sent, for example, when a user turns over on the cushion body and other large actions, the certain moment of the working signal in the change process can be equal to the signal threshold, and a signal for reminding the normal work of the pressure sensing equipment is sent.
In this embodiment, the signal for reminding the pressure sensing device of working normally is: the indicating lamp flicker signal and/or sound signal, the indicating lamp signal is directly perceived, generally adopts the LED indicating lamp, and sound is reminded, need not to look for visible indicating signal, convenient to use, the blind person also can use.
The pressure sensing equipment working state reminding method of the invention compares a preset signal threshold value with a working signal, when the working signal is equal to the signal threshold value at a certain moment in the change process, a signal for reminding the normal work of the pressure sensing equipment is sent out, and the energy consumed by sending out the signal for reminding the normal work of the pressure sensing equipment can be reduced, for example, in the reminding method of the isochronal flashing indicator lamp in the prior art, a user can not always observe the indicator lamp, the flashing of the indicator lamp is in idle work for most of the time, but the pressure sensing equipment working state reminding method of the invention can send out the reminding signal only when the triggering condition is reached, and can remind when the working signal reaches the signal threshold value in the change process, namely, if the working signal is always equal to the signal threshold value, is larger than the signal threshold value or smaller than the signal threshold value, the reminding signal can not be sent, so that the signal for reminding the pressure sensing equipment of being normal can be sent only when the user just uses the pressure sensing equipment or specially manufactures the reminding environment, and the energy consumed for reminding the pressure sensing equipment of being normal can be greatly saved.
Referring to fig. 4, an embodiment of the present invention further provides a device 201 for reminding a working state of a pressure sensing device, including:
an acquisition unit 10, configured to acquire a working signal of the pressure sensing device;
and the comparison reminding unit 20 is used for comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, sending a signal for reminding the pressure sensing equipment of normal operation, and otherwise, not sending a signal for reminding the pressure sensing equipment of normal operation.
As the obtaining unit 10, it is necessary to obtain the working signal of the pressure sensor device, and then the subsequent related judgment processing process can be performed, so as to send out the signal for prompting the working state of the pressure sensor device in time. In this embodiment, the pressure sensing device may be a piezoelectric sensor, a piezoelectric film sensor, a pressure sensor, a dynamic magnetic sensor, or the like, which outputs a corresponding signal due to a change in pressure.
As with the comparative alert unit 20, the signal threshold is a signal value that can be reached by the pressure sensing device by conventional means. In this embodiment, it is required that only when the working signal is equal to the signal threshold at a certain time in the change process, the signal for reminding the normal operation of the pressure sensing device is sent, otherwise, the signal for reminding the normal operation of the pressure sensing device is not sent, that is, only when the user makes a certain action to change the working signal collected by the pressure sensing device, the signal for reminding the normal operation of the pressure sensing device may be obtained. When the working signal collected by the pressure sensing equipment is greater than, equal to or less than the threshold signal for a long time, the signal for reminding the normal work of the pressure sensing equipment can not be triggered, and the energy consumed by sending the reminding signal can be greatly reduced. In a specific embodiment, a pressure sensing device is disposed in a mattress, when a human body lies on the mattress, a pressure signal collected by the pressure sensing device in the mattress body 100 is generally within 1000 newtons, for example, a signal threshold is set to be 500 newtons, the weight of a lying person is 60 kg, the pressure signal collected by the pressure sensing device is about 600 newtons, when the human body stably lies on the mattress, a working signal, that is, the pressure signal is about 600 newtons, although the working signal is greater than the signal threshold, there is no change process, so that a signal for reminding the normal operation of the pressure sensing device is not sent, and when a user goes to bed and lies down, the working signal is inevitably equal to 500 newtons at a certain time, a signal for reminding the normal operation of the pressure sensing device is sent, and at this time, when the user wants to check whether the pressure sensing device normally operates in a normal use habit, the use requirements of users can be met, the energy consumption can be saved, and the endurance time of the pressure sensor equipment is prolonged. In other embodiments, the signal threshold may be set according to actual use conditions, for example, the weight of the user of the mattress is 40 kg, and the signal threshold may be correspondingly modified and may be set to 500 n, 300 n, or 400 n, and when the signal is greater than the pressure signal generated by the mass of the user, the signal threshold may not be set too high, and it is generally preferable to ensure that the impact force generated by the human body on the mattress during getting into the bed can reach the signal threshold.
Referring to fig. 5, in this embodiment, the comparison reminding unit 20 includes:
the judgment and comparison module 211 is configured to judge whether the working signal is in a rising change process, and if the working signal is in the rising change process, compare the working signal with a preset signal threshold;
and a judgment reminding module 212, configured to send a signal for reminding the pressure sensing device of working normally if the working signal is equal to the signal threshold at a certain time in the rising process, and otherwise not send a signal for reminding the pressure sensing device of working normally.
As the above step judgment and comparison module 211 and the judgment and reminding module 212 compare the working signal in the ascending change with the signal threshold, so as to further reduce the number of times of sending out the reminding signal and reduce the energy consumption. The working signal is generally changed from small to big, and then is reduced to a moderate value after reaching the maximum value, for example, a pressure sensing device is arranged in a mattress, when a user gets on the bed, an impact force is generated on the mattress, the working signal collected by the pressure sensing device is suddenly changed to big, and then returns to a pressure signal generated by the self gravity of the user, in the process of getting on the mattress, if a proper signal threshold is larger than the pressure signal generated by the self gravity of the user, only if the pressure signal generated under the impact force when getting on the bed reaches the signal threshold, a signal for reminding the normal work of the pressure sensing device can be sent out, and in the process of falling, although the signal threshold is passed, the speed of the impact force disappears is very fast, and after the user lies, the reminding signal is not convenient to observe, and the sending of a reminding signal can be reduced, and energy is saved. In another embodiment, if the weight of the user is large, the gravity generated by the user acts on the pressure sensing equipment, and then is greater than the signal threshold value, only when the user gets up, namely, a certain moment when the work signal rises is equal to the signal threshold value, the user cannot trigger the sending of the reminding signal again when the user is on the mattress, and in this case, the sending of the signal of the normal work of the pressure sensing equipment cannot be influenced. The pressure sensing equipment can be used safely only after the normal use of the pressure sensing equipment is confirmed, so that a working signal is equal to a signal threshold value at a certain moment in the rising process, a signal for reminding the normal work of the pressure sensing equipment is sent, the result can be known when the use is started, and the use of a user is facilitated.
Referring to fig. 4, in this embodiment, the comparison reminding unit 20 includes:
the equalization judgment module 221 is configured to judge whether the working signal is in an equalization state of inching;
the judging module 222 is configured to not send a signal for reminding the pressure sensing device of normal operation if the working signal is in a micro-motion equilibrium state and the working signal is equal to a preset signal threshold at a certain time in the change process; and if the working signal is not in the micro-motion equilibrium state, the working signal sends a signal for reminding the pressure sensing equipment of working normally when a certain moment in the change process is equal to the signal threshold value.
As described in the foregoing equalization determining module 221 and determining module 222, it is first determined whether the working signal is in an inching equalization state, and if a human body lies on a mattress, a pressure sensing device is disposed in the mattress, in general, the working signal collected by the pressure sensing device is a relatively stable signal oscillating within an amplitude range, which indicates that a user does not perform gross movement, and then it is not necessary to observe whether the pressure sensing device is normal, so that even if the working signal is equal to a signal threshold at a certain time in a changing process, a signal reminding the pressure sensing device of normal operation is not sent. If the working signal is not in an equilibrium state, when a certain moment of the working signal in the changing process is equal to the signal threshold, a signal for reminding the normal work of the pressure sensing equipment is sent, for example, when a user turns over on the cushion body 100 and other large actions, the certain moment of the working signal in the changing process may be equal to the signal threshold, and a signal for reminding the normal work of the pressure sensing equipment is sent.
Referring to fig. 5, in this embodiment, the comparison reminding unit 20 includes:
an indicator light module 231 for sending an indicator light flashing signal; and/or a sound module 232 for emitting a sound signal. The indicating lamp signal is directly perceived, generally adopts the LED pilot lamp, and the sound is reminded, need not to look for visible indicating signal, convenient to use, the blind person also can use.
The pressure sensing device working state reminding device 201 of the embodiment compares a preset signal threshold value with a working signal, and when the working signal is equal to the signal threshold value at a certain moment in the change process, a signal for reminding the normal work of the pressure sensing device is sent out, so that the energy consumed by sending out the signal for reminding the normal work of the pressure sensing device can be reduced, for example, in the reminding method of the isochronal blinking indicator lamp in the prior art, a user cannot always observe the indicator lamp, and the blinking of the indicator lamp is in idle work for most of the time, but the pressure sensing device working state reminding device 201 of the invention can send out the reminding signal only when the triggering condition is reached, and can remind when the working signal reaches the signal threshold value in the change process, namely, if the working signal is always equal to the signal threshold value, is larger than the signal threshold value or smaller than the signal threshold value, the reminding signal can not be sent, so that the signal for reminding the pressure sensing equipment of being normal can be sent only when the user just uses the pressure sensing equipment or specially manufactures the reminding environment, and the energy consumed for reminding the pressure sensing equipment of being normal can be greatly saved.
Referring to fig. 6 and 4, the embodiment of the present invention further provides a physiological signal collecting pad, including a pad body 100 and a pressure sensing device 200 disposed inside the pad body 100, where the pressure sensing device 200 includes a pressure sensing device working state reminding device 201, and the reminding device includes:
an acquisition unit 10, configured to acquire a working signal of the pressure sensing device;
and the comparison reminding unit 20 is used for comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, sending a signal for reminding the pressure sensing equipment of normal operation, and otherwise, not sending a signal for reminding the pressure sensing equipment of normal operation.
As the obtaining unit 10, it is necessary to obtain the working signal of the pressure sensor device, and then the subsequent related judgment processing process can be performed, so as to send out the signal for prompting the working state of the pressure sensor device in time. In this embodiment, the pressure sensing device may be a piezoelectric sensor, a piezoelectric film sensor, a pressure sensor, a dynamic magnetic sensor, or the like, which outputs a corresponding signal due to a change in pressure.
As with the comparative alert unit 20, the signal threshold is a signal value that can be reached by the pressure sensing device by conventional means. In this embodiment, it is required that only when the working signal is equal to the signal threshold at a certain time in the change process, the signal for reminding the normal operation of the pressure sensing device is sent, otherwise, the signal for reminding the normal operation of the pressure sensing device is not sent, that is, only when the user makes a certain action to change the working signal collected by the pressure sensing device, the signal for reminding the normal operation of the pressure sensing device may be obtained. When the working signal collected by the pressure sensing equipment is greater than, equal to or less than the threshold signal for a long time, the signal for reminding the normal work of the pressure sensing equipment can not be triggered, and the energy consumed by sending the reminding signal can be greatly reduced. In a specific embodiment, a pressure sensing device is disposed in a mattress, when a human body lies on the mattress, a pressure signal collected by the pressure sensing device in the mattress body 100 is generally within 1000 newtons, for example, a signal threshold is set to be 500 newtons, the weight of a lying person is 60 kg, the pressure signal collected by the pressure sensing device is about 600 newtons, when the human body stably lies on the mattress, a working signal, that is, the pressure signal is about 600 newtons, although the working signal is greater than the signal threshold, there is no change process, so that a signal for reminding the normal operation of the pressure sensing device is not sent, and when a user goes to bed and lies down, the working signal is inevitably equal to 500 newtons at a certain time, a signal for reminding the normal operation of the pressure sensing device is sent, and at this time, when the user wants to check whether the pressure sensing device normally operates in a normal use habit, the use requirements of users can be met, the energy consumption can be saved, and the endurance time of the pressure sensor equipment is prolonged. In other embodiments, the signal threshold may be set according to actual use conditions, for example, the weight of the user of the mattress is 40 kg, and the signal threshold may be correspondingly modified and may be set to 500 n, 300 n, or 400 n, and when the signal is greater than the pressure signal generated by the mass of the user, the signal threshold may not be set too high, and it is generally preferable to ensure that the impact force generated by the human body on the mattress during getting into the bed can reach the signal threshold.
Referring to fig. 5, in this embodiment, the comparison reminding unit 20 includes:
the judgment and comparison module 211 is configured to judge whether the working signal is in a rising change process, and if the working signal is in the rising change process, compare the working signal with a preset signal threshold;
and a judgment reminding module 212, configured to send a signal for reminding the pressure sensing device of working normally if the working signal is equal to the signal threshold at a certain time in the rising process, and otherwise not send a signal for reminding the pressure sensing device of working normally.
As the above step judgment and comparison module 211 and the judgment and reminding module 212 compare the working signal in the ascending change with the signal threshold, so as to further reduce the number of times of sending out the reminding signal and reduce the energy consumption. The working signal is generally changed from small to large, and then drops to a moderate value after reaching the maximum value, for example, a pressure sensing device is arranged in a cushion body 100, when a user gets on the bed, an impact force is generated on the cushion body 100, the working signal collected by the pressure sensing device is suddenly changed to large, and then returns to a pressure signal generated by the self gravity of the user, in the process of getting on the cushion body 100, if a proper signal threshold is larger than the pressure signal generated by the self gravity of the user, only if the pressure signal generated under the impact force when getting on the bed reaches the signal threshold, a signal for reminding the normal work of the pressure sensing device can be sent out, and in the process of dropping, although the signal threshold is passed, the speed of the impact force disappearance is very fast, and after the user lies down, the reminding signal is not convenient to observe, and the sending of a reminding signal can be reduced, and energy is saved. In another embodiment, if the weight of the user is large, the gravity generated by the user acts on the pressure sensing device, and then is greater than the signal threshold, only when the user gets on the bed, that is, when the working signal rises, a certain time is equal to the signal threshold, and when the user is on the cushion body 100, the reminding signal is not triggered to be sent again, and in this case, the signal for sending the normal work of the pressure sensing device is not affected. The pressure sensing equipment can be used safely only after the normal use of the pressure sensing equipment is confirmed, so that a working signal is equal to a signal threshold value at a certain moment in the rising process, a signal for reminding the normal work of the pressure sensing equipment is sent, the result can be known when the use is started, and the use of a user is facilitated.
Referring to fig. 4, in this embodiment, the comparison reminding unit 20 includes:
the equalization judgment module 221 is configured to judge whether the working signal is in an equalization state of inching;
the judging module 222 is configured to not send a signal for reminding the pressure sensing device of normal operation if the working signal is in a micro-motion equilibrium state and the working signal is equal to a preset signal threshold at a certain time in the change process; and if the working signal is not in the micro-motion equilibrium state, the working signal sends a signal for reminding the pressure sensing equipment of working normally when a certain moment in the change process is equal to the signal threshold value.
As described in the above equalization determining module 221 and the determining module 222, it is first determined whether the working signal is in an inching equalization state, and if a human body lies on the cushion body 100, a pressure sensing device is disposed in the cushion body 100, generally, the working signal collected by the pressure sensing device is a relatively stable signal oscillating within an amplitude range, which indicates that the user does not perform gross movement, and then it is not necessary to observe whether the pressure sensing device is normal, so that even if the working signal is equal to the signal threshold at a certain moment in the changing process, a signal reminding the pressure sensing device of normal operation is not sent. If the working signal is not in an equilibrium state, when a certain moment of the working signal in the changing process is equal to the signal threshold, a signal for reminding the normal work of the pressure sensing equipment is sent, for example, when a user turns over on the cushion body 100 and other large actions, the certain moment of the working signal in the changing process may be equal to the signal threshold, and a signal for reminding the normal work of the pressure sensing equipment is sent.
Referring to fig. 5, in this embodiment, the comparison reminding unit 20 includes:
an indicator light module 231 for sending an indicator light flashing signal; and/or a sound module 232 for emitting a sound signal. The indicating lamp signal is directly perceived, generally adopts the LED pilot lamp, and the sound is reminded, need not to look for visible indicating signal, convenient to use, the blind person also can use.
The physiological signal acquisition pad of the embodiment compares a preset signal threshold value with a working signal, and when the working signal is equal to the signal threshold value at a certain moment in the change process, a signal for reminding the normal work of the pressure sensing equipment is sent out, so that the energy consumed by sending out the signal for reminding the normal work of the pressure sensing equipment can be reduced, for example, in the reminding method of the isochronal blinking indicator lamp in the prior art, a user cannot always observe the indicator lamp, and the blinking of the indicator lamp is mostly idle, but the working state reminding device 201 of the pressure sensing equipment of the invention can send out a reminding signal only when the triggering condition is met, and can remind when the working signal reaches the signal threshold value in the change process, namely, if the working signal is always equal to the signal threshold value, is larger than the signal threshold value or smaller than the signal threshold value, the reminding signal can not be sent, so that the signal for reminding the pressure sensing equipment of being normal can be sent only when the user just uses the pressure sensing equipment or specially manufactures the reminding environment, and the energy consumed for reminding the pressure sensing equipment of being normal can be greatly saved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A method for reminding the working state of pressure sensing equipment is characterized by comprising the following steps:
s1, acquiring a working signal of the pressure sensing equipment;
s2, comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, sending a signal for reminding the normal work of the pressure sensing equipment, otherwise, not sending a signal for reminding the normal work of the pressure sensing equipment;
s2 includes: judging whether the working signal is in a micro-motion equilibrium state or not;
if the working signal is equal to the preset signal threshold at a certain moment in the change process, the signal for reminding the normal work of the pressure sensing equipment is not sent; if not, the working signal sends out a signal for reminding the normal work of the pressure sensing equipment when a certain moment in the change process is equal to the signal threshold value.
2. The method for reminding the working state of the pressure sensing equipment according to claim 1, wherein the step of comparing the working signal with a preset signal threshold value, if the working signal is equal to the signal threshold value at a certain moment in the change process, sending a signal for reminding the normal working of the pressure sensing equipment, otherwise, not sending the signal for reminding the normal working of the pressure sensing equipment comprises:
judging whether the working signal is in a rising change process, and if so, comparing the working signal with a preset signal threshold;
and if the working signal is equal to the signal threshold value at a certain moment in the rising process, sending a signal for reminding the normal work of the pressure sensing equipment, otherwise, not sending a signal for reminding the normal work of the pressure sensing equipment.
3. The method for reminding the working state of the pressure sensing equipment according to any one of claims 1-2, wherein the signal for reminding the normal working of the pressure sensing equipment is as follows:
the indicator light flashes a signal and/or a sound signal.
4. The utility model provides a pressure sensing equipment operating condition reminding device which characterized in that includes:
the acquisition unit is used for acquiring a working signal of the pressure sensing equipment;
the comparison reminding unit is used for comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, a signal for reminding the normal work of the pressure sensing equipment is sent out, and if the working signal is not equal to the signal threshold, a signal for reminding the normal work of the pressure sensing equipment is not sent out;
the comparison reminding unit comprises a balance judging module used for judging whether the working signal is in a micro balance state or not;
the judging module is used for not sending a signal for reminding the normal work of the pressure sensing equipment when the working signal is in a micro-motion equilibrium state and a certain moment in the change process of the working signal is equal to a preset signal threshold value; and if the working signal is not in the micro-motion equilibrium state, the working signal sends a signal for reminding the pressure sensing equipment of working normally when a certain moment in the change process is equal to the signal threshold value.
5. The pressure sensing device working state reminding device as claimed in claim 4, wherein the comparison reminding unit comprises:
the judging and comparing module is used for judging whether the working signal is in a rising change process, and if the working signal is in the rising change process, comparing the working signal with a preset signal threshold;
and the judgment reminding module is used for sending a signal for reminding the normal work of the pressure sensing equipment if the working signal is equal to the signal threshold value at a certain moment in the rising process, and otherwise, not sending the signal for reminding the normal work of the pressure sensing equipment.
6. The pressure sensing device working state reminding device according to any one of claims 4 to 5, wherein the comparison reminding unit comprises:
the indicating lamp module is used for sending out an indicating lamp flickering signal; and/or the presence of a gas in the gas,
and the sound module is used for emitting sound signals.
7. A physiological signal acquisition pad, comprising a pad body and a pressure sensing device arranged in the pad body, wherein the pressure sensing device working state reminding device is as claimed in any one of claims 4 to 6, the pressure sensing device comprises a pressure sensing device working state reminding device, and the reminding device comprises:
the acquisition unit is used for acquiring a working signal of the pressure sensing equipment;
and the comparison reminding unit is used for comparing the working signal with a preset signal threshold, if the working signal is equal to the signal threshold at a certain moment in the change process, a signal for reminding the normal work of the pressure sensing equipment is sent, and otherwise, a signal for reminding the normal work of the pressure sensing equipment is not sent.
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| WO2018039887A1 (en) * | 2016-08-29 | 2018-03-08 | 深圳市沃特沃德股份有限公司 | Method and apparatus for determining that pet wearable device has been stolen |
| CN113576407B (en) * | 2021-07-15 | 2023-11-07 | 深圳数联天下智能科技有限公司 | Sleep monitor control method and sleep monitor |
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