CN113509149A - Detection device for intelligent headrest - Google Patents
Detection device for intelligent headrest Download PDFInfo
- Publication number
- CN113509149A CN113509149A CN202110576382.2A CN202110576382A CN113509149A CN 113509149 A CN113509149 A CN 113509149A CN 202110576382 A CN202110576382 A CN 202110576382A CN 113509149 A CN113509149 A CN 113509149A
- Authority
- CN
- China
- Prior art keywords
- supporting
- headrest
- component
- force
- intelligent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4806—Sleep evaluation
- A61B5/4818—Sleep apnoea
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/10—Pillows
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6892—Mats
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Pulmonology (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention relates to a technology for monitoring sleeping posture and breathing state of a human body when lying in bed, in particular to a detection device for an intelligent headrest, which is provided with a supporting part, a sensing part, a supporting part, an anti-overload part and a force transmission elastic part, wherein the supporting part and the supporting part are both rectangular plate-shaped parts or folded rectangular plate-shaped parts, a plurality of supporting parts are arranged in an array manner to cover the supporting part, the sensing part is a force sensor positioned between the supporting part and the supporting part, the anti-overload part is positioned between the supporting part and the supporting part, the force transmission elastic part is positioned between the supporting part and the sensing part, the detection device for the intelligent headrest is used in the intelligent headrest, can reliably detect the sleeping posture and the breathing pause, has higher precision for detecting the acting force of the head, has stable sensor performance, can effectively prevent the force sensor from being overloaded and prevent accidental damage, the service life of the utility model is prolonged, and the height and the inclination state of the head part can be conveniently adjusted.
Description
Technical Field
The invention relates to a technology for monitoring sleeping posture and breathing state of a human body when lying in bed, in particular to a detection device for an intelligent headrest, which is provided with a supporting part, a sensing part, a supporting part, an anti-overload part and a force transmission elastic part, wherein the supporting part and the supporting part are both rectangular plate-shaped parts or folded rectangular plate-shaped parts, a plurality of supporting parts are arranged in an array manner to cover the supporting part, the sensing part is a force sensor positioned between the supporting part and the supporting part, the anti-overload part is positioned between the supporting part and the supporting part, the force transmission elastic part is positioned between the supporting part and the sensing part, the detection device for the intelligent headrest is used in the intelligent headrest, can reliably detect the sleeping posture and the breathing pause, has higher precision for detecting the acting force of the head, has stable sensor performance, can effectively prevent the force sensor from being overloaded and prevent accidental damage, the service life of the utility model is prolonged, and the height and the inclination state of the head part can be conveniently adjusted.
Background
In recent years, technology development and research on intelligent headrests have been increasing, and related products are also on the market. Generally, an intelligent headrest has one or more functions of sleeping posture detection, headrest height adjustment, breathing detection, sleeping posture adjustment and the like. The sleeping posture detection generally adopts a force sensor placed in a headrest, an air bag for detecting the internal pressure intensity of the air bag or a flexible sensor pressed on the shoulder during sleeping, the breathing detection generally adopts the detection of the pressure of the head on the headrest or breathing sound signals, and the sleeping posture adjustment generally adopts the air bag or a mechanical structure to adjust the height of the headrest. Although a number of techniques are disclosed for detection and adjustment of smart headrests, there are some problems in the related art as follows.
Firstly, when a force value sensor detects the pressure of a head on a headrest, the pressure sensor is selected, the force sensor generally adopts three types of sensors, the first type is a flexible sensor, and some intelligent headrest technologies apply the flexible force sensor, but the flexible sensor technology which can realize the detection function and has repeatability and long service life is not mature enough at present, so that the application of the flexible sensor on the intelligent headrest is limited; the second method adopts a method for detecting the pressure in the air bag to detect the acting force of the head on the headrest, which has the problem of difficult modeling, and because the shapes of human heads are different and the contact areas of the heads and the air bag are different during sleeping, the pressure can be influenced, so that the acting force of the head on the headrest can be hardly accurately obtained by the method for detecting the pressure of the air in the air bag; the third type is that a rigid sensor (for example, a resistance strain type sensor) is used for detecting the force applied by the head to the headrest, so that the detection precision is insufficient or the over-range is easily caused.
Secondly, the existing height-adjustable intelligent headrest basically adopts the air bag as a deformation element to adjust the height of the headrest or adjust the posture of the head, and the headrest is softer, so that the air bags in a plurality of arrays are needed for height adjustment, the complexity, the failure rate and the cost are increased, and the service life of the product is shortened.
In view of the above problems, the present invention discloses a detection device for an intelligent headrest, which has high detection accuracy, can prevent a sensor from being overloaded, and has a structure designed to facilitate height and inclination adjustment of a head when the detection device is used for an intelligent headrest.
Disclosure of Invention
To overcome the defects in the prior art, the invention provides a detection device for an intelligent headrest, and the solution is as follows:
a detection device for an intelligent headrest is characterized by comprising a supporting component, a sensing component and a supporting component,
the supporting component is a rectangular plate-shaped component or a folded rectangular plate-shaped component, the supporting component is a rigid component, and the rigid component is used for ensuring that when the supporting component and the sensing component are subjected to acting force exerted by the head, the deformation generated by the supporting component is not enough to influence the detection performance of the sensing component, and the total deformation is not enough to be felt by the head of a person;
the sensing part is a force sensor, the array is arranged between the supporting part and the supporting part, the sensing part is preferably arranged on or positioned on the supporting part, the sensing part is electrically connected to the data acquisition part, and the force measurement position of the sensing part covers the supporting part;
the supporting parts are rectangular plate-shaped or folded rectangular plate-shaped parts, the supporting parts are directly or indirectly connected or placed on the sensing parts, the sensing parts with the same number are arranged under each supporting part, the supporting parts are arranged in a key-shaped array, the length direction of the supporting parts is perpendicular to the length direction of the supporting parts, namely the length direction of the supporting parts is along the width direction of the supporting parts, the width direction of the supporting parts is along the length direction of the supporting parts, the supporting parts are parallel to the supporting parts when not under pressure, and the coverage range of the supporting parts on the horizontal plane is close to the projection of the supporting parts on the horizontal plane, preferably does not exceed the supporting parts;
the detection device for the intelligent headrest is provided with an overload prevention component, wherein the overload prevention component is a component which contacts with the supporting component and blocks the supporting component from further approaching the supporting component in the process that the supporting component moves towards the supporting component, when the force transmitted to the sensing component by the supporting component approaches the measuring range of the sensing component, the supporting component and the supporting component contact through the overload prevention component, the overload prevention component is positioned between the supporting component and the supporting component or on the supporting component, and the overload prevention component is preferably arranged on the supporting component or on the supporting component;
the detection device for the intelligent headrest is provided with a force transmission elastic component; the force transmission elastic component is an elastic component positioned between the sensing component and the supporting component, when the detection device for the intelligent headrest is provided with the force transmission elastic component, the supporting component is indirectly connected to or placed on the sensing component through the force transmission elastic component, the pressure borne by the supporting component is transmitted to the sensing component through the force transmission elastic component, and the force transmission elastic component generates elastic deformation along the movement direction of the supporting component;
the detection device for the intelligent headrest is also provided with an inclination angle sensor for detecting the inclination angle of the support part deviating from the horizontal plane, the inclination angle sensor is arranged on the support part, and the inclination angle sensor is electrically connected to the data acquisition equipment;
the detection device for the intelligent headrest is further provided with an anti-falling part for preventing the supporting part from being separated from the sensing part or the force transmission elastic part, and the anti-falling part is an elastic object wrapped on the outer side of the detection device for the intelligent headrest.
The detection device for the intelligent headrest is also provided with a sound sensor for detecting snore sound, and the snore sensor is installed on the supporting part and is electrically connected to the data acquisition equipment.
When the detection device for the intelligent headrest is applied to the intelligent headrest, the detection device for the intelligent headrest is embedded in the intelligent headrest, the support component is in a horizontal state in the headrest, the width direction of the support component is the same as the height direction of a person using the headrest, the support component is arranged on the uppermost layer in the plumb direction, the support component is arranged on the lowermost layer, the support component is closest to the head of the person, and the support component is furthest away from the head of the person. The head load is applied to the upper surface of the supporting part, the direction of the head load is downward directed to the supporting part, the supporting part transmits the pressure of the head to the sensing part directly or through the force transmission elastic part, and the force value of the head acting on the supporting part and the position of the head along the length direction of the supporting part can be sensed through the data acquisition system electrically connected to the sensing part. Generally, the pressure of the head on the supporting component is different when the same person lies on the back, on the side and on the prone, the pressure value difference between the head on the side and on the back is generally more than 200-300 gram force, the pressure of the head on the supporting component is very small due to the slight movement of the head caused by the respiration of the person, the change is generally dozens of gram force, when the respiration is light, the sensing component of the detection device for the intelligent headrest needs to detect the force change caused by the respiration, the precision of the sensing component is required to be high, the measuring range is not suitable for being selected to be too large, and the detection device for the intelligent headrest further comprises an overload prevention component and a force transmission elastic component, so that the sensing component can detect the force value change with high precision and can effectively prevent the overload from damaging the sensing component, due to the overload prevention component, the measuring range of the sensing component can be selected to be smaller, overload can not occur, and due to the force transmission elastic component, overload can not be caused even if the gap between the overload prevention component and the supporting component or the supporting component is slightly different from the design value. In addition, when different sleeping postures of people are detected, the height of the headrest can be adjusted according to the pressure of the head on the supporting component when the people lie on side or lie on back. The support component is an integral body, so that the pillow is not segmented, is particularly convenient for adjusting the height and the inclination, and is beneficial to reducing the number of height adjusting components and the complexity of a system.
Drawings
Fig. 1 is a schematic front view of a detection apparatus 1 for an intelligent headrest according to an embodiment of the present invention.
Fig. 2 is a schematic top view of a detection apparatus 1 for an intelligent headrest according to an embodiment of the present invention.
Fig. 3 is a schematic top view of a detection apparatus 2 for an intelligent headrest according to an embodiment of the present invention.
Fig. 4 is a schematic top view of a detection apparatus 3 for an intelligent headrest according to an embodiment of the present invention.
Fig. 5 is a schematic front view of a detection apparatus 3 for an intelligent headrest according to an embodiment of the present invention.
Fig. 6 is a schematic view of a pad of embodiment 4 of a detection device for an intelligent headrest according to the present invention.
Fig. 7 is a partially assembled schematic view of an embodiment 4 of a detection device for an intelligent headrest according to the present invention.
Fig. 8 is a partially assembled top view schematically illustrating an embodiment 4 of a detection apparatus for a smart headrest according to the present invention.
Fig. 9 is a partially assembled front view schematically illustrating an embodiment 4 of a detection apparatus for an intelligent headrest according to the present invention.
Fig. 10 is a partially assembled side view of an embodiment 4 of a detection device for an intelligent headrest according to the present invention.
Fig. 11 is a schematic view of a box-shaped support member of a detection apparatus for a smart headrest of embodiment 4 of the present invention.
Fig. 12 is a partially assembled schematic view 2 of an embodiment 4 of a detection device for an intelligent headrest of the invention.
Fig. 13 is a partially assembled schematic view 3 of an embodiment 4 of a detection device for an intelligent headrest of the invention.
Fig. 14 is a schematic view of a second force-transmitting elastic member of embodiment 4 of the detection device for an intelligent headrest according to the present invention.
Fig. 15 is a schematic view of another force-transmitting elastic member of the embodiment 4 of the detection device for the smart headrest according to the present invention.
Fig. 16 is a partially assembled top view schematically illustrating an embodiment 5 of a detection apparatus for a smart headrest according to the present invention.
Fig. 17 is a partially assembled side view of an embodiment 5 of a detection device for a smart headrest according to the present invention.
In the figure: 10. supporting plate 11, overload-proof support column 111, overload-proof metal strip 12, box-shaped supporting component 13, backing plate 130, sensing plate 20, column-shaped force sensor 201, column-shaped force sensor 21, inclination angle sensor 22, resistance strain gauge type weighing sensor 220, strain gauge 2201, strain gauge 221, unit force-transmission component mounting plate 222, force-transmission spring 2220, spring positioning column 223, double-position force-transmission component mounting plate 224, force-transmission elastic plate 225, spring steel 30, support plate 31, folded edge support plate 311, support plate positioning hole
Detailed Description
The following provides specific embodiments of a detection device for an intelligent headrest according to the present invention, which are only illustrative and not limiting to the claims of the present invention, and the description of the present invention is applicable to the prior art.
Embodiment 1 of a detection device for an intelligent headrest of the present invention (shown in fig. 1 to 2):
a detection device for an intelligent headrest has a support plate 10, a columnar force sensor 20 and a holding plate 30, the support plate 10 is used as a support member, the columnar force sensor 20 is used as a sensing member, the holding plate 30 is used as a holding member,
the support plate 10 is made of a rectangular glass fiber composite plate and has certain rigidity;
the columnar force sensors 20 are piezoresistive force sensors made of high polymer materials, 2 groups of 18 columnar force sensors 20 are arranged on the supporting plate 10 in 9 groups, the 18 columnar force sensors 20 are arranged in 2 rows and 9 columns, and the outputs of the 18 columnar force sensors are electrically connected to data acquisition equipment;
the 9 supporting plates 30 are glass fiber resin composite plates, are respectively placed on the 9 groups of columnar force sensors 20 and are borne by the 9 groups of columnar force sensors 20, a gap is reserved between the edges of two adjacent supporting plates 30, and the 9 supporting plates 30 are arranged in a single-row array; the columnar force sensor 20 may be bonded to the support plate 10 and the backup plate 30.
Although the column-shaped force sensors 20 made of polymer material have a large strain capacity, in order to prevent excessive compressive deformation, a group (2) of overload prevention pillars 11 is provided as an overload prevention member between each group of column-shaped force sensors 20, and 18 overload prevention pillars 11 are also arranged in an array of 2 rows and 9 columns, the overload prevention pillars 11 are fixedly mounted on the support plate 10 (although it is not excluded that the overload prevention pillars 11 are mounted on the support plate 30) between the support plate 10 and the support plate 30.
It is not excluded that the overload prevention unit is a piston structure, for example, a cylindrical overload prevention post 11 mounted on the support plate 10 is inserted into a circular tube mounted on the support plate 30, and the overload prevention post can move like a piston in the circular tube, so that the overload prevention unit can play a role of guiding in addition to the overload prevention, the support plate 30 can be effectively prevented from moving in the horizontal direction (the direction perpendicular to the axis of the overload prevention post), and the support plate 30 can be ensured to be parallel to the support plate 10.
In order to prevent the supporting plate 30 from being separated from the column-shaped force sensor 20, a circle of elastic object is wrapped outside the detection device for the intelligent headrest to serve as an anti-falling part, for example, an elastic tubular fabric is sleeved outside the detection device for the intelligent headrest, and when the wrapped detection device is used for the intelligent headrest, the detection device is convenient to fill the intelligent headrest, so that instability caused by separation of the supporting plate 30 and the column-shaped force sensor 20 in the operation process is prevented, meanwhile, a little preload is applied to the column-shaped force sensor 20, and the stability of the detection device for the intelligent headrest is improved. The anticreep part can also adopt and have elastic strip, macromolecular membrane material etc. as long as will be used for the detection device package of intelligent headrest to twine and prevent to hold in the palm and influence normal detection just after holding plate 30 activity. Although the coverage of the 9 supporting plates 30 in fig. 1 and 2 is smaller than that of the supporting plate 10, it is not excluded that the coverage of the supporting plates 30 is slightly larger than that of the supporting plate 10, and the detection function of the supporting plates is not affected after the supporting plates are wrapped by the elastic anti-dropping part.
In order to express the positional relationship between the respective components in the top view, all the components in the top view are shown by solid lines, and the hidden components are not shown or hidden by broken lines, for example, in general, since the holding plate 30 blocks the column-shaped force sensor 20 and the overload prevention pillar 11, the column-shaped force sensor 20 and the overload prevention pillar 11 should use broken lines in the top view, or the column-shaped force sensor 20 and the overload prevention pillar 11 are not shown in the top view 2.
Since the support plate 10 is a one-piece component, it is easier to wire the cylindrical force sensor 20 on or in the support plate 10, but it is not excluded that the cylindrical force sensor 20 is mounted on the holding plate 30, which does not cause inconvenience in wire connection, for example, when the force sensor is a passive force sensor such as FRID.
By the structure and the components, the working principle of the detection device for the intelligent headrest is as follows:
when the detection device for the intelligent headrest is applied to the intelligent headrest, the detection device for the intelligent headrest is wrapped in the intelligent headrest, the supporting plate 30 is arranged at the uppermost part, is closest to the head of a person, and is separated from the head of the person by soft headrest materials such as memory cotton, latex, fabrics and the like in the direction of a plumb bob, the supporting plate 10 is arranged at the lowermost part and is farthest from the head of the person, and the supporting plate 30, the supporting plate 10 and a bed are in the horizontal direction. The force of the head pressing on the headrest acts on the supporting plates 30 through the wrapped soft material, the force applied by the head is attached to one group (two) or two groups of columnar force sensors 20 through each supporting plate 30, and therefore the position of the head on the intelligent headrest and the force value of the head acting on the headrest can be judged according to the acting force of the detected head on the supporting plates 30 through the data acquisition equipment connected to the columnar force sensors 20, and the prone position is judged according to the force. Because each person feels comfortable in different prone positions, the force applied to the headrest by the head corresponds to a comfort force value, the comfort force values corresponding to the side lying and the back lying are basically the same, the comfort force value is related to the weight of the head and basically equal to the weight of the head when the cervical vertebra is in a natural state and the neck muscles are in a relaxed state, and the value is automatically taught, selected and determined by a user through a data acquisition control system before the intelligent headrest is used. When the force value measured in the process of using the intelligent headrest is larger than the comfort force value, the height of the headrest is too high, the height of the headrest should be lowered, otherwise, the height of the headrest should be raised, and the force of the head acting on the headrest is kept near the comfort force value, so that the neck muscles are basically in a relaxed state and cannot be overstretched.
Generally, under the condition that the height of the supporting plate 30 is fixed, the pressure of the head on the supporting plate is different when the same person lies on the back, on the side and on the prone, the pressure value difference between the side and on the back is generally at least dozens of grams, meanwhile, the slight movement of the head is caused by the respiration of the person, so that the pressure of the head on the supporting plate 30 is slightly changed, the change is generally small, when the respiration is light, the change is only several grams, the sensing part of the detection device needs to detect the difference, the precision of the sensing part is required to be high, and the measuring range is not suitable for being selected to be too large. When the force applied to the supporting plate 30 is too large to compress the cylindrical force sensor 20, which causes excessive deformation of the supporting plate, the overload prevention support 11 supports the supporting plate 30 to prevent it from approaching the supporting plate 10 further, thereby preventing the cylindrical force sensor 20 from being damaged by over-range due to excessive compression. The detection device for the intelligent headrest is provided with the overload prevention part, so that the sensing part can detect high-precision force value change, and the sensing part can be effectively prevented from being damaged by overload.
In addition, when different sleeping postures of people are detected, the height of the headrest can be adjusted according to the pressure of the head on the supporting plate 30 when the people lie on the side and lie on the back, the supporting plate 10 is a rigid component and is equivalent to a rigid horizontal platform for supporting the head, the height of the headrest is convenient to adjust, at most 4 height adjusting points are needed for realizing the random adjustment of the height, for example, at most 4 (groups) of jacking air bags are arranged at the four corners of a detection device for the intelligent headrest, the height and the inclination of the intelligent headrest can be randomly adjusted, and the height of the headrest can be automatically adjusted to adapt to different sleeping postures by adjusting the height of the supporting plate. When the apnea phenomenon takes place, because the power value change that breathes and produce can disappear, judge according to this kind of phenomenon and take place when breathing pause, the automatic gradient of repeatedly adjusting the headrest can promote the head and slightly rotate, makes the people who sleeps on intelligent headrest stop the apnea phenomenon.
The adoption of multiple (9 in this embodiment) supporting plates 30 to divide the whole headrest force detection area into multiple sections (9 in this embodiment) is beneficial to eliminating interference factors, for example, if a whole supporting plate with the same length as the supporting plate 10 is used to detect head pressure, if a person puts his hands on the headrest during sleeping, the force of the hands acting on the supporting plate is also taken into the force applied by the head to cause error in adjusting the height of the headrest, because the adoption of multiple sections of supporting plates 30 can judge and eliminate the force applied by the hands when the head and the hands are positioned on different supporting plates 30, when the hands and the head are superposed together, the hands are generally rested on the head, and can also be judged by the number of the supporting plates covered by the acting force and the pressure range to correct, and the measured force under the condition is larger than the comfortable force value, the height of the headrest needs to be reduced, and the reduction of the height of the headrest does not cause discomfort to the user due to the fact that the arms are cushioned below the head.
The supporting plate 10 is a rigid plate, when the acting force applied by the head is applied, the rigidity of the supporting plate 10 is enough to make the deformation amount not affect the detection performance of the sensing component, the total deformation amount is not enough to make the head feel, and even when the supporting plate 30 is pressed by feet or other large pressure, the supporting plate 30 and the supporting plate 10 are not deformed plastically.
Embodiment 2 (shown in fig. 3) of a detection apparatus for an intelligent headrest of the present invention:
the supporting part in this embodiment is a folded edge supporting plate 31, the folded edge supporting plate 31 is a rectangular box-shaped sheet metal part without a cover, an opening is buckled downwards on the columnar force sensor 20, the inner side of the vertical edge of the supporting plate 31 is close to the outer side of the columnar force sensor 20, and the columnar force sensor 20 can limit the movement of the supporting plate 31 in the horizontal direction. In order to improve the stability of the hem supporting plate 31, four columnar force sensors 20 are arranged on the supporting plate 10 below each hem supporting plate 31, in order to improve the stability of supporting in overload prevention, four overload prevention pillars 11 are arranged below each hem supporting plate 30, and the adoption of a larger or smaller number of supporting plates 30 is not excluded, and the number of the columnar force sensors 20 and the number of the overload prevention pillars 11 are correspondingly changed.
this example differs from example 1 in that: the box-shaped supporting member 12 is used as a supporting member, the box-shaped supporting member 12 is a rectangular parallelepiped sheet metal box (having 5 faces, corresponding to standing edge baffles erected on the periphery of the supporting plate 10) without a cover, the cylindrical force sensors 201 support the supporting plates 30 at the edge portions of the supporting plates 30, and two adjacent supporting plates 30 share one set of cylindrical force sensors 201 for supporting and force value measurement, each supporting plate 30 is supported at four corners, and the stability is the same as that in embodiment 2, but the number of the cylindrical force sensors 201 is reduced compared with embodiment 2. As shown in fig. 4, the cylindrical force sensor 201 and the holding plate 30 are both located inside the top view of the box-shaped support member; as shown in fig. 5, the four vertical folded edges of the box-like support member 12 are slightly lower than the top of the holding plate 30 in the height direction (the up-down direction in fig. 5), so that when a head load acts on the holding plate 30, the edges of the box-like support member 12 do not prevent the head load from being applied to the holding plate 30, and at the same time, play a role of restricting the movement of the holding plate 30 in the horizontal direction, that is, restricting the holding plate 30 from exceeding the range of the vertical edge of the box-like support member 12 in the top view of fig. 4.
The overload prevention member in this embodiment is two strip-shaped overload prevention metal strips 111 fixedly installed in the box-shaped supporting member 12, and when the supporting plate 30 is subjected to an excessive pressure toward the bottom of the supporting member 12, the overload prevention metal strips 111 are used for supporting the supporting plate 30 to prevent the force value applied to the cylindrical force sensor 201 from exceeding the range of the cylindrical force sensor 201, which causes damage to the cylindrical force sensor 201. Of course, the overload-proof metal strip may be replaced by a frame-shaped member placed in the box-shaped supporting member 12, or a sheet metal folded edge may be further provided at the edge of one circle of the opening of the box-shaped supporting member 12, so as to limit the displacement of the supporting plate 30 by using the folded edge, thereby achieving the function of the overload-proof member. In addition, a folded edge capable of contacting with the folded edge of the box-shaped supporting component 12 can be added at the edge of the supporting component to serve as an overload prevention component, the two folded edges are contacted to prevent the supporting component from further contacting with the supporting component, and any one of the two folded edges which are contacted can be regarded as the overload prevention component.
The detection device for the intelligent headrest is further provided with an inclination angle sensor 21 used for detecting the inclination angle of the supporting component, the inclination angle sensor 21 is installed on the inner side horizontal plane of the box-shaped supporting component 12, the inclination angle sensor 21 is connected to a data acquisition device, the horizontal state or the nearly horizontal state of the box-shaped supporting component 12 and the supporting plate 30 is kept when the height of the headrest is adjusted through an air bag or a mechanical mechanism, and discomfort such as forward tilting or backward tilting of the head due to the fact that the pressure of the head on the headrest is asymmetrically distributed in the height direction is avoided.
The detection device for the intelligent headrest is also provided with a snore sensor for detecting snore sound, the snore sensor adopts a sound pickup head and a microphone, and the snore sensor is installed on the supporting part and is electrically connected to the data acquisition equipment.
Embodiment 4 of a detection apparatus for an intelligent headrest of the present invention (as shown in fig. 6 to 15):
in the embodiment, a cantilever beam type resistance strain gauge type weighing sensor 22 is used as a sensing component, 8 pairs of resistance strain gauge type weighing sensors 22 are fixedly installed at the box bottom of a box-shaped supporting component 12 in an array manner, a backing plate 13 is arranged between the resistance strain gauge type weighing sensor 22 and the box-shaped supporting component 12, an overload-preventing support 11 is installed on the backing plate 13 (or directly installed on the box-shaped supporting component 12, certainly), the fixed ends of each pair of resistance strain gauge type weighing sensors 22 are adjacent, the loading ends are far away from and oppositely arranged, a unit force transmission component installation plate 221 or a two-position force transmission component installation plate 223 is installed at the loading end of each resistance strain gauge type weighing sensor 22, a unit force transmission component installation plate 221 is installed at the loading ends of two pairs of resistance strain gauge type weighing sensors 22 positioned at the outermost side, the loading ends of the rest of the resistance strain gauge type weighing sensors 22 are provided with a double-position force transmission component mounting plate 223. 14 pairs (28) of force transmission springs 222 as force transmission elastic members are arranged on the unit force transmission member mounting plates 221 or the two-position force transmission member mounting plates 223, one force transmission spring 222 is arranged on each unit force transmission member mounting plate 221, 2 force transmission springs 222 are arranged on each two-position force transmission member mounting plate 223, and spring positioning columns 2220 for limiting the positions of the force transmission springs 222 are arranged on the unit force transmission member mounting plates 221 or the two-position force transmission member mounting plates 223 at positions corresponding to the axes of the force transmission springs 222 at the positions where the force transmission springs 222 are arranged. 7 folding edge supporting plates 31 are buckled at the top ends of the force transmission springs 222 towards the interior of the box-shaped supporting part 12, each folding edge supporting plate 31 buckles 4 force transmission springs 222, the force transmission spring 222 is positioned between the resistance strain gauge type weighing sensor 22 and the folding edge supporting plate 31, and the folding edge supporting plate 31 indirectly presses on the resistance strain gauge type weighing sensor 22 through the force transmission springs 222. Because the backing plate 13 is placed between the resistance strain gauge type weighing sensor 22 and the box-shaped supporting component 12, a space is provided for the resistance strain gauge type weighing sensor 22 to deform downwards, and a space is also provided for the tail end of the resistance strain gauge type weighing sensor 22 to be provided with the unit force transmission component mounting plate 221 or the two-position force transmission component mounting plate 223, so that the lower end of the resistance strain gauge type weighing sensor 22 and the mounted components cannot contact the box-shaped supporting component 12 when the loading end of the resistance strain gauge type weighing sensor is pressed, and the force value measurement is not influenced. Each of the hem supporting plates 31 has 4 supporting plate positioning holes 311, each of the supporting plate positioning holes 311 is provided with a columnar positioning component, each columnar positioning component extends into the inner ring of the force transmission spring 222 at the corresponding position, so that the positioning of the hem supporting plate 31 in the horizontal plane is facilitated, each columnar positioning component is axially overlapped with the spring positioning column 2220 opposite to the vertical direction of the columnar positioning component, and the lower surface of the columnar positioning component is at a distance from the upper surface of the spring positioning column 2220, so that when the supporting plate 31 moves downwards until the supporting plate is pressed on the overload prevention support 11, a gap is always reserved between the lower surface of the columnar positioning component and the upper surface of the spring positioning column 2220.
When the force of the head acts on the hem holding plate 31, the force compresses the force-transmitting spring 222 through the hem holding plate 31, and the force-transmitting spring 222 transmits the force to the resistance strain gauge type load cell 22. When the hem supporting plate 31 is pressed down by the head acting force, the force transmission spring 222 is compressed, the hem supporting plate 31 moves towards the direction close to the box-shaped supporting component 12, at most until the hem supporting plate 31 is supported by the anti-overload strut 11, and after the hem supporting plate 31 is supported by the anti-overload strut 11, even if the pressure is increased for the hem supporting plate 31, the hem supporting plate 31 can not move towards the bottom direction of the box-shaped supporting component 12 continuously. The deformation of the force transmission spring 222 is determined from the initial natural state length of the force transmission spring 222 to the moment when the flanging holding plate 31 is supported by the overload-proof support 11, the force generated by the compression of the force transmission spring 222 is determined under the condition that the specification of the force transmission spring 222 is certain, and the resistance strain gauge type weighing sensor 22 can be ensured not to exceed the range through the selection of the type of the force transmission spring 222 and the distance between the flanging holding plate 31 and the overload-proof support 11. If the force-transmitting spring 222 is not provided, but the flap support plate 31 is in direct contact with the resistance strain gauge load cell 22, it is difficult to prevent overload by the overload prevention stay 11 because the resistance strain gauge load cell 22 has a small deformation in its operating range, which may result in no load application or an over-range.
It is not excluded to use other forms of elastic elements instead of the force-transmitting spring 222 as the force-transmitting elastic member, for example, as shown in fig. 14, one end of a rectangular force-transmitting elastic plate 224 is directly fixed on top of the loading end of the resistance strain gauge type load cell 22, and the flap holding plate 31 is supported upward; as shown in fig. 15, the spring steel 225 with a rectangular cross section folded into an approximate "U" shape is installed between the fold supporting plate 31 and the resistance strain gauge type load cell 22 as a force transmission elastic member, and the expected effect can be achieved. In a word, the force transmission elastic component has the function of enabling the supporting component to generate a certain deformation amount when being pressed by the head, which is beneficial to adjusting the distance between the overload-proof pillar 11 and the folded edge supporting plate 31, when the distance between the overload-proof pillar 11 and the folded edge supporting plate 31 is designed, it should be ensured that when the force-transmitting spring deflection reaches the distance between the overload prevention pillar 11 and the hem holding plate 31, the force generated by the force transmitting spring being compressed is less than the span of the resistive strain gage load cell 22, meanwhile, the distance between the overload protection pillar 11 and the folding edge supporting plate 31 is required to be ensured not to exceed the measuring range of the resistance strain gauge type weighing sensor 22 even if the distance is not accurately adjusted and is a little bit larger than the designed value, for example, the distance between the overload prevention pillar 11 and the folded edge supporting plate 31 is 1mm larger than the designed value, so that the force transmission elastic part is deformed by 1mm more, and the measuring range of the resistance strain gauge type weighing sensor 22 is not exceeded. The force-transferring elastic component can be any elastic component with the same function, and not only comprises a metal elastic component, but also can be nonmetal elastic components with different shapes, such as cylindrical high polymer elastic materials with better resilience. Even a spring steel 225 with a rectangular cross section like that in fig. 15 is formed as a force-transmitting spring directly at the edge of the carrier plate 31, for example by sheet metal bending.
Embodiment 5 of a detection apparatus for an intelligent headrest of the present invention (shown in fig. 16 and 17):
the difference from example 4 is that: in this embodiment, a single cantilever beam type strain sensor is not used, but a plurality of strain beams 220 are cut on a sensing plate 130 made of a spring steel plate, the bent strain beams 220 are a bit higher than the body of the sensing plate (as shown in fig. 17), strain gauges 2201 are respectively attached to the upper and lower surfaces of the strain beams 220, so that the strain beams 220 and the strain gauges 2201 jointly form a strain type sensor, a force transmission spring 222 is arranged at the end of the strain beam to be loaded, and the sensing plate 130 is fixedly mounted on the inner bottom surface of the box-shaped supporting member 12. Since the strain beam 220 is higher than the inner surface of the bottom of the box-like support member 12 after the sensor plate 130 is fixedly attached to the inner bottom surface of the box-like support member 12, it does not hinder the strain beam 220 from deforming in a direction to approach the bottom of the box-like support member 12 when it is pressed. The deformation part of the strain beam 220 is trapezoidal and is an equal strain beam, which is beneficial to reducing the pasting requirement of the strain gauge. Of course, the strain beam may be cut into other shapes, such as a triangle with an outer tip (corresponding to a triangle with upper and lower tips and a wider middle portion in fig. 16), etc. And it is not excluded to cut and bend a strain beam having the same function and structure as the strain beam 220 directly at the bottom of the box-like support member 12 and thereby construct a pressure sensor.
The invention is not limited to the embodiments discussed above, and a person skilled in the art can deduce other variants from the invention, which also belong to the subject matter of the invention.
Claims (10)
1. The detection device for the intelligent headrest is characterized by comprising a supporting component, a sensing component and a supporting component, wherein the supporting component is a rectangular plate-shaped or folded rectangular plate-shaped component, the sensing component is a force sensor, the sensing component is arranged between the supporting component and the supporting component in an array mode, the supporting component is a rectangular plate-shaped or folded rectangular plate-shaped component arranged in a key-shaped array mode, the supporting component is directly or indirectly connected or placed on the sensing component, and the length direction of the supporting component is perpendicular to the length direction of the supporting component.
2. The detecting device for the smart headrest as claimed in claim 1, wherein the detecting device for the smart headrest has an overload prevention member, and the overload prevention member is a member which contacts the holding member during the movement of the holding member toward the supporting member and blocks the holding member from further approaching the supporting member.
3. The detecting device for the smart headrest according to claim 1, wherein the detecting device for the smart headrest has a force-transmitting elastic member, and the force-transmitting elastic member is an elastic member located between the sensing member and the holding member.
4. The detecting device for the smart headrest as claimed in claim 1, wherein the detecting device for the smart headrest further has a tilt sensor mounted on the support member for detecting a tilt of the support member from a horizontal plane.
5. The detecting device for the intelligent headrest according to claim 1, wherein the supporting member is a rigid member, and the rigid member is a member which is not deformed enough to affect the detecting performance of the sensing member when the holding member is subjected to the acting force exerted by the head.
6. The detecting device for the intelligent headrest according to claim 1, wherein the force measuring position of the sensing member covers the supporting member, and the sensing member is mounted on or located on the supporting member.
7. The detecting device for the intelligent headrest according to claim 1, wherein the same number of sensing members are arranged under each supporting member, and the coverage of the supporting member does not exceed that of the supporting member.
8. The detecting device for the intelligent headrest according to claim 1, wherein the detecting device for the intelligent headrest further comprises an anti-drop component, and the anti-drop component is an elastic object wrapped outside the detecting device.
9. The detecting device for the intelligent headrest according to claim 1, wherein when the detecting device for the intelligent headrest is applied to the intelligent headrest, the detecting device for the intelligent headrest of the present invention is embedded in the intelligent headrest, the support member is in a horizontal state in the headrest, a width direction of the support member is the same as a height direction of a user of the intelligent headrest, the support member is at an uppermost layer in a plumb direction, and the support member is at a lowermost layer.
10. The detecting device for the intelligent headrest according to claim 1, wherein the tilt sensor, the sensing part and the snore sensor are electrically connected to a data collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110576382.2A CN113509149A (en) | 2021-05-26 | 2021-05-26 | Detection device for intelligent headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110576382.2A CN113509149A (en) | 2021-05-26 | 2021-05-26 | Detection device for intelligent headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113509149A true CN113509149A (en) | 2021-10-19 |
Family
ID=78065081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110576382.2A Pending CN113509149A (en) | 2021-05-26 | 2021-05-26 | Detection device for intelligent headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113509149A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1788654A (en) * | 2004-12-17 | 2006-06-21 | 北京保迈科技有限公司 | Pillow bolster for checking physiological parameter |
| CN101236144A (en) * | 2007-02-02 | 2008-08-06 | 日东电工株式会社 | Compression test apparatus |
| CN103239217A (en) * | 2013-04-02 | 2013-08-14 | 上海道生医疗科技有限公司 | Anti-overload pulse blood pressure wave strength sensor |
| CN106377242A (en) * | 2016-10-09 | 2017-02-08 | 全普光电科技(上海)有限公司 | Healthy pillow and Internet of things sensing system |
| CN205963634U (en) * | 2016-02-05 | 2017-02-22 | 深圳住好智能有限公司 | Intelligent pillow |
| CN106843006A (en) * | 2017-03-06 | 2017-06-13 | 张安斌 | A kind of middle bedding reminded and change sleeping position of sleeping soundly |
| CN206563611U (en) * | 2017-03-07 | 2017-10-17 | 曲靖师范学院 | A kind of electronic scale with antioverloading function |
| CN108030324A (en) * | 2017-12-04 | 2018-05-15 | 深圳市三分之睡眠科技有限公司 | Mattress pressure capsule system and human body recognition methods |
| CN108244874A (en) * | 2018-02-14 | 2018-07-06 | 深圳市三分之睡眠科技有限公司 | Automatic adjusting bed and its adjusting method |
| KR20180083628A (en) * | 2017-01-13 | 2018-07-23 | 금오공과대학교 산학협력단 | Smart pillow to detect the motion of head during sleep |
| CN109744785A (en) * | 2019-02-22 | 2019-05-14 | 浙江大学 | A kind of intelligent adaptive mattress based on pliable pressure sensor array |
| TWI674082B (en) * | 2018-06-27 | 2019-10-11 | 醫博科技股份有限公司 | An improvement methodology of sleep quality and pillow device |
| CN210071101U (en) * | 2019-08-05 | 2020-02-14 | 天津市德安特传感技术有限公司 | Overload impact prevention device for electronic balance |
| CN111481024A (en) * | 2020-04-16 | 2020-08-04 | 焦玉海 | Method for automatically adjusting intelligent pillow and intelligent pillow thereof |
| CN212140079U (en) * | 2019-12-17 | 2020-12-15 | 浙江理工大学 | Stable lifting mechanism of self-adaptive pillow |
| CN212574868U (en) * | 2020-04-15 | 2021-02-23 | 杭州市红十字会医院 | Multifunctional intelligent mattress |
| WO2021041747A1 (en) * | 2019-08-29 | 2021-03-04 | The Brigham And Women's Hospital, Inc. | Smart mattress system and methods for patient monitoring and repositioning |
-
2021
- 2021-05-26 CN CN202110576382.2A patent/CN113509149A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1788654A (en) * | 2004-12-17 | 2006-06-21 | 北京保迈科技有限公司 | Pillow bolster for checking physiological parameter |
| CN101236144A (en) * | 2007-02-02 | 2008-08-06 | 日东电工株式会社 | Compression test apparatus |
| CN103239217A (en) * | 2013-04-02 | 2013-08-14 | 上海道生医疗科技有限公司 | Anti-overload pulse blood pressure wave strength sensor |
| CN205963634U (en) * | 2016-02-05 | 2017-02-22 | 深圳住好智能有限公司 | Intelligent pillow |
| CN106377242A (en) * | 2016-10-09 | 2017-02-08 | 全普光电科技(上海)有限公司 | Healthy pillow and Internet of things sensing system |
| KR20180083628A (en) * | 2017-01-13 | 2018-07-23 | 금오공과대학교 산학협력단 | Smart pillow to detect the motion of head during sleep |
| CN106843006A (en) * | 2017-03-06 | 2017-06-13 | 张安斌 | A kind of middle bedding reminded and change sleeping position of sleeping soundly |
| CN206563611U (en) * | 2017-03-07 | 2017-10-17 | 曲靖师范学院 | A kind of electronic scale with antioverloading function |
| CN108030324A (en) * | 2017-12-04 | 2018-05-15 | 深圳市三分之睡眠科技有限公司 | Mattress pressure capsule system and human body recognition methods |
| CN108244874A (en) * | 2018-02-14 | 2018-07-06 | 深圳市三分之睡眠科技有限公司 | Automatic adjusting bed and its adjusting method |
| TWI674082B (en) * | 2018-06-27 | 2019-10-11 | 醫博科技股份有限公司 | An improvement methodology of sleep quality and pillow device |
| CN109744785A (en) * | 2019-02-22 | 2019-05-14 | 浙江大学 | A kind of intelligent adaptive mattress based on pliable pressure sensor array |
| CN210071101U (en) * | 2019-08-05 | 2020-02-14 | 天津市德安特传感技术有限公司 | Overload impact prevention device for electronic balance |
| WO2021041747A1 (en) * | 2019-08-29 | 2021-03-04 | The Brigham And Women's Hospital, Inc. | Smart mattress system and methods for patient monitoring and repositioning |
| CN212140079U (en) * | 2019-12-17 | 2020-12-15 | 浙江理工大学 | Stable lifting mechanism of self-adaptive pillow |
| CN212574868U (en) * | 2020-04-15 | 2021-02-23 | 杭州市红十字会医院 | Multifunctional intelligent mattress |
| CN111481024A (en) * | 2020-04-16 | 2020-08-04 | 焦玉海 | Method for automatically adjusting intelligent pillow and intelligent pillow thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2863188A2 (en) | Weight sensing | |
| US10278512B2 (en) | Bed with automatically adjustable properties | |
| CN100551342C (en) | Torque sensor | |
| EP3689189A1 (en) | Bed apparatus capable of automatically adjusting bed surface based on sleeping position and method thereof | |
| US20170067774A1 (en) | Weight sensing | |
| JP2009511152A (en) | A system to monitor several different parameters of a patient in bed | |
| KR102009897B1 (en) | Chair system with posture correction function and method for correcting posture using the same | |
| US20100299840A1 (en) | Weight and/or movement sensing in a bed | |
| KR100249588B1 (en) | Apparatus for detecting living body signals | |
| CN113509149A (en) | Detection device for intelligent headrest | |
| US11467076B2 (en) | Mattress evaluation system and method | |
| WO2022083441A1 (en) | Reactive pillow and the method of fabrication | |
| CN113509171A (en) | Intelligent headrest | |
| CN107741290B (en) | Robot foot device with plantar pressure detection function | |
| CN101820798B (en) | Bed adjusted according to vertebral curve of human | |
| CN112334115B (en) | Support structure | |
| KR101287165B1 (en) | System for detecting pressure | |
| CN216815728U (en) | Massage chair weight detection module | |
| CN212995679U (en) | Sitting posture detection chair | |
| CN216961939U (en) | Weight detection seat | |
| CN116150917B (en) | Flexible pressure sensing sleeping posture data processing method and device | |
| CN217937715U (en) | Waist support mattress | |
| TWI715022B (en) | Smart care mattress and method for detecting the physiological state of user | |
| JPH02232007A (en) | Selector for mattress | |
| Papakostas | Tactile sensor: Stretching the limits |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20211019 |
|
| WD01 | Invention patent application deemed withdrawn after publication |