CN115153479B - Intelligent wrist strap suitable for wrist of patient of medical institution - Google Patents
Intelligent wrist strap suitable for wrist of patient of medical institution Download PDFInfo
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- CN115153479B CN115153479B CN202211080855.0A CN202211080855A CN115153479B CN 115153479 B CN115153479 B CN 115153479B CN 202211080855 A CN202211080855 A CN 202211080855A CN 115153479 B CN115153479 B CN 115153479B
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02444—Details of sensor
-
- 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
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
-
- 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
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6843—Monitoring or controlling sensor contact pressure
-
- 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
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6844—Monitoring or controlling distance between sensor and tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/18—Shielding or protection of sensors from environmental influences, e.g. protection from mechanical damage
- A61B2562/185—Optical shielding, e.g. baffles
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention relates to the technical field of intelligent wristbands, in particular to an intelligent wristband suitable for wristbands of patients in medical institutions, which comprises a first wristband, a second wristband, a mounting buckle and an electronic watch core, wherein the first wristband is fixedly arranged on the left side of the mounting buckle, the second wristband is fixedly arranged on the right side of the mounting buckle, the electronic watch core is arranged in the mounting buckle, a protection component is fixedly arranged on the bottom wall of the mounting buckle and is used for isolating light rays of the external environment, so that the detection of the electronic watch core on heart rate is more accurate, a tightening device is jointly arranged at the tail parts of the first wristband and the second wristband and used for enhancing the detection precision of the electronic watch core on the heart rate, and the tightening device comprises a shell arranged at the tail parts of the first wristband and the second wristband and a motor is fixedly arranged in the shell. According to the heart rate detection device, the electronic watch core is tightly attached to the wrist through the cooperation of the motor and the limiting assembly, and the detection precision of the electronic watch core on the heart rate is enhanced through the cooperation of the shielding effect of the protection assembly.
Description
Technical Field
The invention relates to the technical field of intelligent wristbands, in particular to an intelligent wristband suitable for wrists of patients in medical institutions.
Background
Heart rate variation is closely related to heart diseases, and heart rate is a mark which most directly reflects heart health of people, and the heart rate variation can play a role in timely preventing diseases by monitoring whether resting heart rate is in a normal range, monitoring cardiac arrest in daily activities, abnormal increase of heart rate and the like.
The current young people have the advantages of accelerating the work and life rhythm, and the continuous high incidence of cardiovascular diseases caused by irregular diet and life work and rest, frequent stay up, general lack of movement, high psychological stress and the like. Particularly for office workers with high working pressure and long-term sitting, obesity is easy to cause, and cardiovascular diseases are further caused.
According to the report of the Chinese white book for cardiovascular and cerebrovascular health, the proportion of Chinese young patients is increasing year by year due to the excessive working pressure and bad life work and rest.
According to world health organization statistics, cardiovascular disease mortality rates remain high and a trend of younger. Many people often have inadequate knowledge of heart disease, so that sudden death and stroke are sudden diseases only, and so will always wait until they cannot be tolerated by themselves to choose to visit a doctor for inquiry.
Nowadays, the intelligent wrist strap can detect heart rate in real time, so that people can know heart rate changes in time and take treatment measures in time.
The intelligent wrist strap utilizes the regular beating of the heart to cause the change of the light transmittance of blood, so that the change information is collected and converted into an electric signal, and the corresponding information is heart rate information. However, the reflected light beam is easily affected by external interference, such as reflection of ambient light, when it returns to the photosensitive receiver, so that the detection accuracy is reduced.
For this purpose, a smart wristband suitable for the wrist of a patient of a medical institution is proposed.
Disclosure of Invention
The invention aims to provide an intelligent wrist strap suitable for a wrist of a patient of a medical institution, when an electronic watch core is detected, the electronic watch core is tightly attached to the wrist through the cooperation of a motor and a limiting assembly, and the detection precision of the electronic watch core on the heart rate is enhanced through the cooperation of the shielding effect of a protection assembly. To solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a smart wristband adapted for use with a medical facility patient wrist, comprising:
the electronic watch comprises a first wrist strap, a second wrist strap, a mounting buckle and an electronic watch core;
the left side of the installation buckle is fixedly provided with a first wrist strap, the right side of the installation buckle is fixedly provided with a second wrist strap, and an electronic watch core is arranged in the installation buckle.
Further comprises:
the protection component is fixedly installed on the bottom wall of the installation buckle and used for isolating light rays of the external environment, so that the detection of the heart rate by the electronic watch core is more accurate.
The sticking device is arranged at the tail parts of the first wrist strap and the second wrist strap together and used for enhancing the detection precision of the electronic watch core to the heart rate.
Preferably, the attaching device comprises a shell arranged at the tail parts of the first wrist strap and the second wrist strap, a motor is fixedly arranged in the shell, a gear is arranged at the output end of the motor, a limiting component is arranged on the second wrist strap and used for controlling the stroke of the second wrist strap in the shell, four sliding grooves matched with the first wrist strap and the second wrist strap are formed in the side wall of the shell, a first magnet is fixedly arranged on the inner side wall of the top of the shell, and a second magnet matched with the first magnet is arranged in the first wrist strap.
Most of wearing equipment such as intelligent wrist-watch, intelligent wrist-watch adopt reflective electro-optical method to measure the rhythm of the heart, shine the blood vessel for a period of time through the green LED lamp that electronic watch core bottom set up collocation photosensitive receiver, because blood is red, it can reflect red light and absorb green light. When the heart beats, the blood flow is increased, and the absorption amount of green light is increased; when the heart is in the beating gap, the blood flow is reduced, and the absorbed green light is also reduced. Thus, heart rate can be measured from the reflectance of blood.
Different people wear the intelligent wrist strap when wearing the intelligent wrist strap, and is different to comfortable definition, therefore, the elasticity degree that the intelligent wrist strap was worn on the wrist of people is all different, and the result that the intelligent wrist strap obtained when detecting is also different, to the crowd that sets up whole wrist strap loose, when wearing, if the wrist does not keep the level to place, electronic watch core and wrist then can produce certain inclination, leads to the light reduction of feedback to photosensitive receiver when periodic detection, influences the precision of detection.
The invention realizes the automatic contraction and relaxation process of the intelligent wrist strap by utilizing the cooperation of the limiting component and the motor. The electric wires of the motor are buried in the first wrist strap and the second wrist strap, and the motor is driven by the power supply of the electronic watch core after the electronic watch core is installed in the installation buckle.
Specifically, the heart rate detection of the present invention is periodic, and is 8: 00. 12: 00. 18: 00. 21:00, because the intermittent crowd is in rest state in this time, the effect of detecting resting heart rate is fine. When the heart rate is detected by the electronic watch core at regular intervals, the motor can be started to rotate forward to shrink the second wrist strap, and as the first wrist strap is fixed by the magnetic force of the shell, the electronic watch core is attached to the wrist through unidirectional tightening of the second wrist strap, so that the accuracy of the intelligent wrist strap in detecting the heart rate is improved.
When the detection is completed, the electronic watch core controls the motor to rotate reversely, the second wrist strap is pulled out from the shell, and the tightness of the intelligent wrist strap to the wrist is restored to the original setting of the wearer.
The miniature gear motor produced by Ningbo powerful motor limited company can be selected as the model of the motor, and because when the motor does not work, if a certain torque is required for rotating the output end of the motor, the second wrist strap can be fixed by means of the torque, and the first wrist strap is magnetically connected with the shell, the fixing effect of daily wearing of a user can be realized.
The length of the second wrist strap entering the shell and the length of the second wrist strap drawn out of the shell, namely the tightness of the intelligent wrist strap to the wrist during detection, are controlled by the limiting component, and the second wrist strap is solved later.
It is worth noting that the length of the first wrist strap is larger than that of the second wrist strap, when a user wears the intelligent wrist watch, if the tightness degree of the wrist of the intelligent wrist strap needs to be adjusted, the tightness degree is adjusted by means of matching the first wrist strap with the magnet on the inner side wall of the top of the shell, and the second wrist strap is temporarily contracted when the electronic watch core is detected, so that the function of adjusting the whole tightness of the intelligent wrist strap is smaller.
Preferably, the limiting component comprises a scale drum fixedly arranged at the tail part of the second wrist strap, a tooth slot matched with a gear is formed in the scale drum, a limiting strip is fixedly arranged at the tail end of the second wrist strap, a limiting ring is arranged at one side, close to the shell, of the limiting strip, the limiting ring is a non-closed ring, a torque limiting component is arranged on the motor and used for protecting the motor when the motor cannot rotate, and the service life of the motor is prolonged.
Specifically, when the user wears, promote the second wrist strap, make its spacing behind the tail end department pass the shell after, fix the second wrist strap, install the spacing between spacing and shell with the spacing, the gear and the scale section of thick bamboo of this moment have taken place the cooperation, adjust the length that first wrist strap stretched into the shell, until with intelligent wrist strap to proper self to the elasticity degree adjustment of wrist. The scale drum is in interference fit with the second wrist strap, when the motor rotates positively, the motor drives the gear to rotate so that the second wrist strap is pulled into the shell, because the length of the second wrist strap is limited, when the second wrist strap is tightly attached to the skin, the motor is described as achieving the tightening effect on the second wrist strap, the motor is subjected to friction force between the second wrist strap and the skin, and the elastic force of stretching the second wrist strap material, so that the motor cannot rotate, and further the length of the second wrist strap extending into the shell when the electronic watch core is detected is controlled, namely the tightness of the intelligent wrist strap to the wrist is achieved.
When the motor is reversed, the second wrist strap gradually withdraws from the shell, and when the limiting ring touches the shell, the area of the matching area of the limiting ring and the second wrist strap is larger than the area of the sliding groove on the side wall of the shell, and the limiting ring tightly wraps the second wrist strap, so that the motor cannot overcome the friction force between the limiting ring and the second wrist strap, and the second wrist strap returns to the initial position.
Because the friction of the limiting ring is enough to limit the resetting of the second wrist strap, the limiting strip only has the function of preventing the limiting ring from slipping.
Considering that the scale drum needs to be matched with the gear, if the material of the scale drum is the same as that of the second wrist strap, the matching of the scale drum and the gear is relatively soft, and the contraction degree of the motor to the second wrist strap is influenced, therefore, the scale drum fixedly arranged at the second wrist strap is made of a material with certain hardness, such as plastic, so that the scale drum is matched with the gear conveniently, and the length of the second wrist strap extending into the shell is ensured to reach expectations.
Further, the scale drum is divided into a plurality of parts, and the tail end of the second wrist strap is fixedly provided with a marking strip.
Because the tooth socket is arranged on the scale drum, after the gear is meshed with the scale drum to the last tooth socket, the gear can not rotate, and then the motor can not rotate, so if the length of the second wrist strap entering the shell is required to be accurately controlled, a limited number of short scale drums can be arranged on the second wrist strap.
Because the positions of the motor and the gear are fixed, and the gear is positioned at the center of the shell, the position of the marker strip is half of the width of the shell, namely, when the second wrist strap just passes through, the marker strip and the axle center of the motor are positioned on the same vertical line.
The scale drum is firstly arranged on one side of the marker strip, and the subsequent use method is the same as the above, and is not repeated.
Further, the scale drum comprises a first scale drum and a second scale drum, a fixing buckle is fixedly arranged on the first scale drum, and an elastic sheet matched with the fixing buckle is fixedly arranged on the second scale drum.
For the crowd wearing the looser intelligent wrist strap, it needs to install a plurality of scale section of thick bamboo at second wrist strap afterbody, and if the cooperation between the scale section of thick bamboo takes place the error, for example the clearance of two scale section of thick bamboo is too big, then can't cooperate with the scale section of thick bamboo to leading to the gear, when making electronic watch core detect the rhythm of the heart, the intelligent wrist strap can't reach the requirement to the elasticity of wrist, finally makes the detection precision reduce.
The invention uses the fixed buckles and the elastic pieces on the first scale drum and the second scale drum to ensure that the matching of the scale drum and the gear can be effectively ensured when a wearer installs a plurality of scale drums on the second wrist strap.
Preferably, the torque limiting assembly includes a friction post fixedly mounted to the motor output, the friction post being located between the gear and the motor output.
Because each user is different to comfortable definition when wearing intelligent wrist strap, just be difficult to unify and use the number of turns of rotation of electrical control device accurate restriction motor to satisfy the tightening effect when detecting. Thus, the above described electronic watch core is inspected by the motor rotating at a fixed rotational speed for a fixed time.
The friction column drives the gear by using the friction force between the friction column and the gear, and for a single long scale drum, after the gear rotates to enable the second wrist strap to be tightly attached to the wrist skin, the gear cannot rotate due to the increase of the friction force and the tension force received by the motor, and the force of the scale drum on the gear is larger than the force of the friction column on the gear, so that the friction column rotates in the gear, and the motor idles to protect the motor.
For a plurality of short scale drums, when the gear rotates to the outside of the tooth grooves of the scale drums, the gear can not rotate due to the fact that the gear lacks the cooperation of the tooth grooves, at the moment, the friction column can rotate in the gear, and the motor idles.
The motor is slower in the rotational speed of during operation, when reducing friction post in the loss of gear, when detecting, the speed of contracting of first wrist strap and second wrist strap slows down, gives the wearer and wraps up the sensation slowly to its wrist with intelligent wrist strap, strengthens the comfort level of wearer.
Further, a rotating shaft is fixedly arranged on the inner side wall of the shell, a synchronizing wheel matched with the first wrist strap and the second wrist strap is rotatably arranged on the rotating shaft, and the surface of the synchronizing wheel, the bottom surface of the first wrist strap and the upper top wall of the scale drum are frosted.
When the heart rate is detected by the electronic watch core, the tightness of the intelligent wrist strap to the wrist is controlled only by the length of the second wrist strap stretching into the shell, so that tangential displacement is generated by the electronic watch core during detection, and the cross section of the wrist of a person is elliptical, if the tangential displacement of the electronic watch core is overlarge, the watch core of the brain is inclined, and the heart rate is not detected conveniently.
Therefore, the synchronous wheel is arranged on the inner side wall of the shell and is positioned between the first wrist strap and the second wrist strap, and when the second wrist strap moves, the synchronous wheel is driven to rotate by utilizing the friction force between the synchronous wheel and the first wrist strap and the friction force between the synchronous wheel and the second wrist strap, so that the first wrist strap overcomes the magnetic force of the first wrist strap and the magnet fixedly arranged in the shell and moves in the opposite direction of the moving direction of the second wrist strap. Therefore, during detection, the tightening action of the intelligent wrist strap on the wrist is bidirectional, so that the detection precision of the electronic watch core is ensured.
In addition, can also produce extruded effect to the second wrist strap in step, cooperation miniature gear motor that selects, when the scale section of thick bamboo takes place to join in marriage with the gear, can effectively produce fixed action to the second wrist strap to when the motor corotation, the extrusion effect of synchronizing wheel pair scale section of thick bamboo makes the cooperation that gear and scale section of thick bamboo can be better.
In addition, as one mode of the invention, the synchronous wheel can also be replaced by a gear, and the bottom surface of the first wrist strap and the top surface of the second wrist strap are provided with tooth grooves matched with the gear.
The first wrist strap utilizes the friction of synchronizing wheel to realize the transmission, but such transmission mode is not accurate enough, if change friction transmission into rack and pinion transmission, can satisfy the requirement of transmission precision, however, the shortcoming of this scheme is, and the structure is comparatively complicated.
Preferably, the protection component comprises a first skirt edge fixedly arranged on the inner side walls of the first wrist strap and the second wrist strap and a second skirt edge fixedly arranged on the bottom surface of the mounting buckle.
When the first wrist strap and the second wrist strap are tightened, the shading effect of the first skirt edge and the second skirt edge is matched, so that external light cannot interfere with the photosensitive receiver.
Meanwhile, the first skirt edge and the second skirt edge are arranged, so that the installation quantity of the scale drums can be properly reduced when the intelligent wrist strap is detected, the electronic watch core is not required to be too tightly attached to the wrist, and the comfort level of a wearer is increased.
The first shirt rim and the second shirt rim are made of rubber materials, the width is smaller, when the user wearing the loose intelligent wristband for habit is used, the skin can be tightly wrapped by the first shirt rim and the second shirt rim only when the detection is carried out, and therefore the daily use of the user cannot be influenced.
Preferably, a vent hole is formed in one side, away from the electronic watch core, of the second skirt.
Preferably, the outer side wall of the first skirt is fixedly provided with a bump, and the inner side walls of the first wrist strap and the second wrist strap are provided with fixing grooves matched with the bump.
For a user who is used to wearing the compact intelligent wristband, the ventilation holes are formed in the second skirt edge when the user wears the compact intelligent wristband daily, so that the second skirt edge can keep ventilation while contacting skin. And if the first skirt edge is uncomfortable to the wearer, the convex blocks on the first skirt edge can be embedded into the fixing grooves on the inner side walls of the first wrist strap and the second wrist strap, so that the uncomfortable to the wearer is solved.
Preferably, the shape of the second skirt is an outer swing arc shape.
The intensity of second shirt rim is enough to support the weight of electronic watch core, and the bleeder vent of this moment is not plugged up by the wrist, and when detecting, the outer pendulum arciform of second shirt rim can make its better subsides on skin, utilizes skin to plug up the bleeder vent on the second skirt, prevents the interference of external light to photosensitive receiver.
Compared with the prior art, the invention has the beneficial effects that:
1. utilize the cooperation of motor and spacing subassembly, when the electronic watch core regularly detects the rhythm of the heart, can start the motor forward rotation and be used for contracting the second wrist strap, because first wrist strap is fixed by the shell has magnetic force, realizes the laminating of electronic watch core and wrist through the unidirectional tightening of second wrist strap, increases the precision of intelligent wrist strap when detecting the rhythm of the heart.
2. The synchronous wheel is arranged in the shell, when the motor rotates positively, the motor drives the gear to rotate so as to pull the second wrist strap into the shell, and meanwhile, the synchronous wheel rotates along with the movement of the second wrist strap, so that the first wrist strap is pulled into the shell, and the two-way tightening of the intelligent wrist strap is realized.
3. The bottom of the mounting buckle is provided with a protection component, after the tightening of the intelligent wrist strap is completed, the first skirt edge and the second skirt edge of the mounting buckle are wrapped on the skin of the wrist, so that external light is blocked, and the detection of the heart rate by the electronic watch core is more accurate.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A of FIG. 2;
FIG. 4 is a side view of the overall structure;
FIG. 5 is an enlarged partial cross-sectional view at B in FIG. 4;
FIG. 6 is a bottom view of the overall structure of the present invention;
FIG. 7 is an enlarged view of the structure at C in FIG. 6;
fig. 8 is an enlarged view of the structure at D in fig. 6.
In the figure: 1. a first wristband; 2. an electronic watch core; 3. a second wristband; 4. a second skirt; 5. a first skirt; 6. a housing; 101. a first magnet; 102. a second magnet; 201. installing a buckle; 301. a limiting ring; 302. a limit bar; 401. ventilation holes; 501. a bump; 601. a rotating shaft; 602. a synchronizing wheel; 603. a motor; 604. A gear; 605. a friction column; 606. a scale drum; 607. marking strips.
Detailed Description
Referring to fig. 1 to 8, the present invention provides a smart wristband suitable for a wrist of a patient in a medical institution, which comprises the following technical schemes:
a smart wristband adapted for use with a medical facility patient wrist, comprising:
a first wristband 1, a second wristband 3, a mounting clasp 201, and an electronic watch core 2;
the first wrist strap 1 is fixedly arranged on the left side of the mounting buckle 201, the second wrist strap 3 is fixedly arranged on the right side of the mounting buckle, and the electronic watch core 2 is arranged in the mounting buckle 201.
Further comprises:
the protection subassembly, fixed mounting has the protection subassembly on the installation knot 201 diapire, the protection subassembly is used for sheltering from the light of external environment, makes electronic watch core 2 more accurate to the detection of rhythm of the heart.
The first wrist strap 1 and the second wrist strap 3 tail are jointly installed with the pasting device, and the pasting device is used for enhancing the detection precision of the electronic watch core 2 on heart rate.
Example 1
Heart rate was measured periodically as 8: 00. 12: 00. 18: 00. 21:00, because the intermittent crowd is in rest state in this time, have fine effect to detecting resting heart rate.
When the wrist strap is worn by a user, the user pushes the second wrist strap 3, after the limit strip 302 at the tail end of the wrist strap passes through the shell 6, the second wrist strap 3 can be fixed by the synchronous wheel 602 and the motor 603 because the gear 604 and the scale drum 606 are matched, the limit ring 301 is arranged between the limit strip 302 and the shell 6, and the length of the first wrist strap 1 extending into the shell 6 is adjusted until the tightness degree of the wrist strap to the intelligent wrist strap is adjusted to be proper. The scale drum 606 is in interference fit with the second wrist strap 3, when the motor 603 rotates positively, the motor 603 drives the gear 604 to rotate so as to pull the second wrist strap 3 into the housing 6, and meanwhile, the synchronous wheel 602 rotates along with the movement of the second wrist strap 3 to pull the first wrist strap 1 into the housing 6, so that the bidirectional tightening of the intelligent wrist strap is realized. Because the length of the second wrist strap 3 is limited, when the second wrist strap 3 is tightly attached to the skin, it is explained that the motor 603 achieves the effect of tightening the second wrist strap 3, and the motor 603 receives the friction force between the second wrist strap 3 and the skin and the tensile elasticity of the material of the second wrist strap 3, so that the friction column 605 cannot drive the gear 604 to rotate in the gear 604, and further the length of the second wrist strap 3 extending into the housing 6 when the heart rate is detected by the electronic watch core 2 is controlled, namely the tightness of the wrist by the intelligent wrist strap is controlled.
When the motor 603 rotates reversely, the second wrist strap 3 gradually exits the housing 6, and when the limit ring 301 touches the housing 6, the limit ring 301 and the second wrist strap 3 are matched with each other to be larger than the area of the sliding groove on the side wall of the housing 6, and the limit ring 301 tightly wraps the second wrist strap 3, so that the motor 603 cannot overcome the friction force between the limit ring 301 and the second wrist strap 3, and the second wrist strap 3 returns to the initial position.
After the tightening of the intelligent wrist strap is completed, the first skirt edge 5 and the second skirt edge 4 under the mounting buckle 201 are wrapped on the skin of the wrist, so that external light is blocked, and the heart rate of the electronic watch core 2 is detected more accurately.
Because the motor 603 has slower rotating speed during working, the loss of the friction column 605 on the gear 604 is reduced, and the tightening speed of the first wrist strap 1 and the second wrist strap 3 is reduced during detection, so that the wearer can feel that the wrist of the wearer is slowly wrapped by the intelligent wrist strap, and the comfort of the wearer is enhanced.
Example two
In the above description, for the single, long scale tube 606, when the gear 604 rotates to make the second wristband 3 tightly contact with the wrist skin, the gear 604 cannot rotate due to the increased friction and tension applied by the motor 603, and the force of the scale tube 606 on the gear 604 is larger than the force applied by the friction column 605 to the gear 604, so that the friction column 605 rotates in the gear 604. At this time, the second wrist strap 3 is limited by the elastic force of the scale tube 606 and the second wrist strap 3 to limit the rotation of the motor 603, so that when the first wrist strap 1 and the second wrist strap 3 are tightened, the wrist can generate a slight tightening sense, and the tightening sense can cause discomfort to some people.
Thus, when a single, elongated scale drum 606 is modified to a plurality of short scale drums 606, and the gear 604 is rotated out of the tooth space of the scale drum 606, the gear 604 cannot rotate due to the lack of the engagement of the tooth space with the gear 604. The wearer can precisely control the amount of the second wristband 3 to be contracted according to the number of the short scale drums 606 mounted on the tail portion of the second wristband 3.
However, achieving accurate control of the second embodiment requires the wearer to grasp the number of scale drums 606 installed, and is not as convenient as the first embodiment in terms of the early wearing experience of the smart wristband.
Claims (2)
1. A smart wristband adapted for use with a medical facility patient wrist, comprising:
a first wrist strap (1), a second wrist strap (3), a mounting buckle (201), an electronic watch core (2);
the left side of the mounting buckle (201) is fixedly provided with a first wrist strap (1), the right side of the mounting buckle is fixedly provided with a second wrist strap (3), and the mounting buckle (201) is internally provided with an electronic watch core (2);
characterized by further comprising:
the protection component is fixedly arranged on the bottom wall of the mounting buckle (201) and is used for isolating light rays of the external environment, so that the heart rate of the electronic watch core (2) is detected more accurately;
the device comprises a first wrist strap (1) and a second wrist strap (3), wherein the tail parts of the first wrist strap and the second wrist strap are jointly provided with the device for attaching, and the device for attaching is used for enhancing the detection precision of the electronic watch core (2) on heart rate;
the sticking device comprises a shell (6) arranged at the tail parts of a first wrist strap (1) and a second wrist strap (3), a motor (603) is fixedly arranged in the shell (6), a gear (604) is arranged at the output end of the motor (603), a limiting component is arranged on the second wrist strap (3) and used for controlling the stroke of the second wrist strap (3) in the shell (6), four sliding grooves matched with the first wrist strap (1) and the second wrist strap (3) are formed in the side wall of the shell (6), a first magnet (101) is fixedly arranged on the inner side wall of the top of the shell (6), and a second magnet (102) matched with the first magnet (101) is arranged in the first wrist strap (1);
the limiting assembly comprises a scale drum (606) fixedly arranged at the tail part of the second wrist strap (3), a tooth slot matched with the gear (604) is formed in the scale drum (606), a limiting strip (302) is fixedly arranged at the tail end of the second wrist strap (3), a limiting ring (301) is arranged at one side, close to the shell (6), of the limiting strip (302), the limiting ring (301) is a non-closed ring, a torque limiting assembly is arranged on the motor (603) and used for protecting the motor (603) when the motor (603) cannot rotate, and the service life of the motor is prolonged;
the torque limiting assembly comprises a friction column (605) fixedly mounted at the output end of the motor (603), wherein the friction column (605) is positioned between the gear (604) and the output end of the motor (603);
a rotating shaft (601) is fixedly arranged on the inner side wall of the shell (6), a synchronizing wheel (602) which is matched with the first wrist strap (1) and the second wrist strap (3) is rotatably arranged on the rotating shaft (601), and the surface of the synchronizing wheel (602), the bottom surface of the first wrist strap (1) and the upper top wall of the scale drum (606) are frosted;
the protection component comprises a first skirt edge (5) fixedly arranged on the inner side walls of the first wrist strap (1) and the second wrist strap (3), and a second skirt edge (4) fixedly arranged on the bottom surface of the mounting buckle (201);
an air hole (401) is formed in one side, away from the electronic watch core (2), of the second skirt edge (4);
the outer side wall of the first skirt edge (5) is fixedly provided with a bump (501), and the inner side walls of the first wrist strap (1) and the second wrist strap (3) are provided with fixing grooves matched with the bump (501);
the shape of the second skirt edge (4) is an outward swing arc shape;
after the limit strip (302) at the tail end of the second wrist strap (3) is pushed to pass through the shell (6), the second wrist strap (3) can be fixed by utilizing the synchronous wheel 602 and the motor (603) because the gear (604) is matched with the scale drum (606), the limit ring (301) is arranged between the limit strip (302) and the shell (6), and the length of the first wrist strap (1) extending into the shell (6) is adjusted until the tightness degree of the intelligent wrist strap to the wrist is adjusted to be proper;
the scale (606) is in interference fit with the second wrist strap (3), when the motor (603) rotates positively, the motor (603) drives the gear (604) to rotate so as to pull the second wrist strap (3) into the shell (6), and meanwhile, the synchronous wheel (602) rotates along with the movement of the second wrist strap (3) so as to pull the first wrist strap (1) into the shell (6) to realize bidirectional tightening of the intelligent wrist strap;
because the length of second wrist strap (3) is limited, when second wrist strap (3) is closely attached to skin, just demonstrate motor (603) and realized the effect of tightening up to second wrist strap (3), motor (603) this moment receives the frictional force between second wrist strap (3) and the skin to and the tensile elasticity of second wrist strap (3) material, make friction post 605 can't drive gear (604) and rotate in gear (604), and then realize controlling electronic watch core (2) when detecting the rhythm of the heart the length of stretching into shell (6) of second wrist strap (3), intelligent wrist strap's elasticity to the wrist.
2. A smart wristband adapted for use with a medical facility patient's wrist according to claim 1, wherein: the scale drum (606) is divided into a plurality of parts, and the tail end of the second wrist strap (3) is fixedly provided with a marking strip (607).
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