CN203089116U - Bellyband type respiration detection device - Google Patents
Bellyband type respiration detection device Download PDFInfo
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- CN203089116U CN203089116U CN 201320019571 CN201320019571U CN203089116U CN 203089116 U CN203089116 U CN 203089116U CN 201320019571 CN201320019571 CN 201320019571 CN 201320019571 U CN201320019571 U CN 201320019571U CN 203089116 U CN203089116 U CN 203089116U
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- bellyband
- permanent magnet
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- detection device
- shell body
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Abstract
The utility model provides a device detecting a respiratory rate or amplitude according to the fact that the chest and the belly conduct periodical change in respiration, namely a bellyband type respiration detection device. The bellyband type respiration detection device comprises a shell body and an elastic bellyband. A Hall sensor array is arranged inside the shell body. The bellyband penetrates through the shell body and is elastically connected with the shell body. A permanent magnet is arranged at one side of the bellyband and located inside the shell body. A magnetic pole of the permanent magnet faces the Hall sensor array. Due to the fact that the output of a sensor is only decided by the position of movement of the permanent magnet and the displacement length of the permanent magnet which moves to the position, the interference of outer environment is effectively prevented, and the respiratory rate can be accurately measured. Meanwhile, the bellyband type respiration detection device is small in structure, light in weight, convenient to carry and small in power consumption. The used Hall displacement sensor is good in linearity, high in accuracy and strong in interference resistant capacity. An inserting and buckling type bellyband also can be used so that the perimeter of the bellyband can be adjusted conveniently and the bellyband type respiration detection device is suitable for being used in each age group.
Description
Technical field
This utility model relates to the respiratory frequency detection device field.
Background technology
Breathing is the physiological process that body weight for humans is wanted, and is the essential process of carrying out gas exchange between the human body internal and external environment, human body by the respiratory system take in oxygen, give off carbon dioxide, thereby keep normal physiological function.In the modern monitoring technology, it is its important component part that respiratory frequency detects, and respiratory frequency is different with age, sex and physiological status: the respiratory frequency the when adult is tranquil is about per minute 16～18 times; The child is about per minute 20 times; General women fast 1～2 time than the male.Whether the clinical diagnosis traditional Chinese medical science is made profits can suffer from disease by the Preliminary detection human body with respiratory frequency, because breath signal is taken from human body, genertor impedance is higher, and exists stronger background noise and disturb event to obtain relatively difficulty of accurate respiratory frequency.
The detection method of breathing has a variety of, but pick off and detection method commonly used comprise: strain gauge transducer detection, temperature sensor detection, flow transducer detection, impedance method detection, test using capacitance sensor, ultrasonic doppler respiratory frequency detection method etc.Strain gauge transducer detect utilize the people in respiratory owing to exhale and air-breathing alternately cause esophagus and breast abdominal part can produce periodic deformation, detect breath signal thereby can experience this deformation by strain gauge transducer.It is to utilize temperature sensor to gather the method that the outer breathing temperature difference of nasal cavity is converted into electric weight output that temperature sensor detects; It is that speed by the gas of the long-pending breathing of a certain constant cross-section is flow through in detection detects breathing that flow transducer detects; It is to detect breathing by measuring human chest in the variation of respiratory middle impedance that impedance method detects; The test using capacitance sensor principle is, when area is that the electric capacity of A is dull and stereotyped during near human body, constitute capacitor C between flat board and human body, the people causes the variation of capacitance C in respiratory, detects the testing goal that reaches breath signal by the variation to the C value.The ultrasonic doppler respiratory frequency detects, and the motion of the thorax when utilizing human body respiration is exactly got to motive position to ultrasound wave and produced doppler phenomenon, by circuit analysis, detects respiratory frequency, reaches non-contacting testing goal.But traditional respiratory frequency or amplitude checkout gear structure are comparatively complicated, and micro displacement may produce wrong respiratory count, and precision has much room for improvement.
The utility model content
The purpose of this utility model provide a kind of when breathing the breast abdominal part can cyclically-varying detect the device of respiratory frequency or amplitude.
For realizing that the technical scheme that this utility model purpose adopts is such, a kind of binder type device for detecting respiratory comprises housing and bellyband, and the inside of described housing is equipped with Hall sensor array, described bellyband passes housing, and a side of described bellyband is equipped with permanent magnet.Described permanent magnet is positioned at the inside of housing, and the magnetic pole strength of described permanent magnet is to Hall sensor array.By the described bellyband that stretches, make and between described permanent magnet and the Hall sensor array relative motion takes place.
Device disclosed in the utility model in use, twines bellyband one week of belly of user.Degree of tightness that should the appropriate regulation bellyband makes the housing that Hall sensor array is installed be attached to the abdominal part of user.Because abdominal part generation fluctuations when user is breathed, promptly stretching or loosen described bellyband will inevitably drive permanent magnet and be subjected to displacement.And then the magnetic flux density of passing Hall sensor array also changes thereupon.Hall element can produce different signals according to the change of magnetic flux density to magnetic-field-sensitive, thereby obtains the accurate numerical value of user respiratory frequency.In addition, Hall sensor array of the present utility model can be selected precision height, Hall linear unit that the linearity is good for use.By detecting the direction of displacement and the length of permanent magnet, hall device produces the output voltage signal of linear correlation with it, obtains respiratory frequency and amplitude data by the single chip processing module analysis again.
Technique effect of the present utility model is mathematical, because the output of pick off only is decided by permanent magnet position of moving and the length that moves to this position displacement, has effectively prevented the interference of peripheral environment, can measure respiratory frequency accurately.Simultaneously, this utility model structure is small and exquisite, and is in light weight, is easy to carry, and power consumption is little.The hall displacement transducer linearity of using is good, the degree of accuracy height, and capacity of resisting disturbance is strong, has avoided the conventional apparatus micro displacement to produce wrong respiratory count.This utility model can also use eye-splice type bellyband, is convenient to regulate the bellyband girth, is fit to each age group and uses.
Description of drawings
Device of the present utility model can further specify by the indefiniteness embodiment that accompanying drawing provides.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of this utility model housing;
Fig. 3 is this utility model user mode reference diagram;
Fig. 4 is this utility model system principle diagram;
Fig. 5 is this utility model signal acquisition process flow chart;
Fig. 6 is another structural representation of this utility model.
Among the figure: 1-bellyband, 2-housing, 3-Hall sensor array, 4-permanent magnet, 5-spring, 6-circuit board, 7-bar hole, 8-cable, 9-fixed connection point.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, only limits to following embodiment but should not be construed the above-mentioned subject area of this utility model.Under the situation that does not break away from the above-mentioned technological thought of this utility model, according to ordinary skill knowledge and customary means, make various replacements and change, all should be included in this utility model scope.
Embodiment 1:
A kind of binder type device for detecting respiratory comprises housing 2 and bellyband 1, and the inside of described housing 2 is equipped with Hall sensor array 3, and described bellyband 1 passes housing 2, and a side of described bellyband 1 is equipped with permanent magnet 4.Described permanent magnet 4 is positioned at the inside of housing 2, and the magnetic pole strength of described permanent magnet 4 is to Hall sensor array 3.By the described bellyband 1 that stretches, make and between described permanent magnet 4 and the Hall sensor array 3 relative motion takes place.
In use, the binder type device for detecting respiratory of present embodiment is fastened abdominal part at user.Adjust the elasticity of bellyband 1, make that housing 2 can both be attached to the abdominal part of user no matter user is exhaled or be air-breathing.When user is air-breathing, the abdominal cavity expansion, bellyband 1 is equivalent to stretch; When user was air-breathing, shrank in the abdominal cavity, and the bellyband 1 that before is stretched recovers original state.Because the structure of this device, between user was breathed, bellyband 1 will inevitably drive permanent magnet 4 and do periodic the reciprocating motion, and the magnetic field that causes passing described Hall sensor array 3 changes.By Hall sensor array 3, can obtain the frequency and the amplitude of permanent magnet 4 motions, and then obtain user respiratory frequency and intensity the changes of magnetic field sensitivity.
Further, in order to increase the displacement amplitude that relative motion takes place between described permanent magnet 4 and the Hall sensor array 3, described bellyband 1 is fixedlyed connected with housing 2 by fixed connection point 9, and described fixed connection point 9 is positioned at a side of described permanent magnet 4.Among the embodiment of the present utility model, described bellyband 1 has elasticity, and described bellyband 1 only is connected with housing 2 at fixed connection point 9 places, and the bellyband 1 of remainder can freely stretch.
Embodiment 2:
Purpose for improving this device sensitivity should make bellyband 1 under the stretching action of identical external force, the unit extension amount difference at two ends, permanent magnet 4 left and right sides.
Present embodiment basic structure just provides two kinds of implementations at above-mentioned purpose with embodiment 1.
The first: referring to Fig. 6, in described housing 2 inside and one section bellyband 1 between described fixed connection point 9 and permanent magnet 4 have elasticity, the bellyband 1 of remainder does not have elasticity or elasticity is less.In this case, when the user abdominal part rose and fell along with breathing, because the effect of making a concerted effort, permanent magnet 4 can move back and forth on a right left side.As the left side of the fixed connection point among the figure 9 at permanent magnet 4, promptly the one section bellyband 1 in permanent magnet 4 left sides is a rubber-like, and the one section bellyband 1 in permanent magnet 4 right sides is a rubber-like not.Described permanent magnet 4 is initially at housing 2 centers.With permanent magnet 4 is reference point, and when air-breathing, bellyband 1 stretches to the right, and described permanent magnet 4 moves right.And just in time opposite when exhaling, bellyband 1 shrinks left, and permanent magnet 4 is mobile from right to left, up to being returned to initial position, or the position that more keeps left than initial position.In said process, permanent magnet 4 moves back and forth once to have characterized and breathes once, and permanent magnet 4 reciprocating amplitudes have characterized the power of breathing, and these are all noted the very responsive Hall element in magnetic field, further analyze so that do.
It two is: described bellyband 1 is connected with housing 2 elasticity by the spring 5 that is positioned at described housing 2 inside.Described spring 5 is a helical spring, and the one end is connected with described bellyband 1, and the other end is connected with described housing 2, causes the unit extension amount difference of permanent magnet 4 both sides by spring 5.More specifically be, spring is connected with bellyband is fixed, referring to Fig. 1, described spring 5 be not be installed in permanent magnet 4 under, and be mounted in the left side or the right side of permanent magnet 4, a described left side or the right side are left sides on bellyband 1 flexible direction or right.In this case, when the user abdominal part rose and fell, because the effect of making a concerted effort, permanent magnet 4 can move back and forth on a right left side.All in the left side of permanent magnet 4, bellyband 1 does not have elasticity as the fixed connection point among the figure 9 and spring 5, and the elasticity that perhaps has is less, mainly leans on the elastic deformation of spring 5 to cause the change in location of permanent magnet 4.The same with first kind of mode of present embodiment, in the said process, permanent magnet 4 moves back and forth once to have characterized and breathes once, and permanent magnet 4 reciprocating amplitudes have characterized the power of breathing.Another kind of enforcement is that described bellyband 1 is flat, and two planes of symmetry of described housing 2 have two bar holes 7, and described bellyband 1 passes two described bar holes 7.
[0019]The employed Hall sensor array 3 of present embodiment is installed on the circuit board 6, and signal can be derived by cable 8 or Radio Transmission Technology.This pick off is the magnetic field sensor of making according to Hall effect, can vary in size according to the position and the displacement of permanent magnet, produces different signals.This utility model has been used pick off microdisplacement measurement principle, and the voltage and the permanent magnet displacement of pick off output have very accurate linear relationship.
Referring to Fig. 4, the signals collecting of an embodiment of this utility model and processing section mainly comprise hall sensing array, Single-chip Controlling acquisition module, wireless transmission and receiver module, and PC shows memory module, flash memory module.Hall element adopts the A3423 chip of Allegro company, and single-chip microcomputer adopts the LPC1114 chip controls, and the operation principle of system mainly is by Hall sensor array 3 permanent magnet 4 change in displacement to the left or to the right to be converted to the signal of telecommunication.The signal of being exported according to Hall array by single-chip microcomputer is differentiated user expiration or air-breathing again, and calculates patient's respiratory frequency.Respiratory frequency is stored by flash, and sends to above the PC by serial ports or wireless blue tooth and to show, to analyze and to store.Because the native system power consumption is lower, adopt the button cell of 3.6v, Single Chip Microcomputer (SCM) system is carried out power management to cell voltage.
Fig. 5 further illustrates the flow process of this utility model data acquisition and processing (DAP).Single-chip microcomputer carries out data acquisition to the Hall array pick off in fixed cycle time, judge the position or the displacement of permanent magnet in the process of breathing.In the present embodiment, the interval of image data is 5ms, and promptly frequency acquisition is 200Hz.By single-chip microcomputer permanent magnet change in location is to the left or to the right judged, thereby judged the motor process of breathing, promptly calculate the process times N of set time (embodiment is 30s) internal respiration, and then draw one fen clock time internal respiration rate.Pick off can also detect once air-breathing motion to the right or to the final position or the final mean annual increment movement length of left dislocation in addition, and then judges the intensity of breathing.
Claims (6)
1. binder type device for detecting respiratory, it is characterized in that: comprise housing (2) and bellyband (1), the inside of described housing (2) is equipped with Hall sensor array (3), and described bellyband (1) passes housing (2), and a side of described bellyband (1) is equipped with permanent magnet (4); Described permanent magnet (4) is positioned at the inside of housing (2), and the magnetic pole strength of described permanent magnet (4) is to Hall sensor array (3); By the described bellyband (1) that stretches, make and between described permanent magnet (4) and the Hall sensor array (3) relative motion takes place.
2. binder type device for detecting respiratory according to claim 1 is characterized in that: described bellyband (1) is fixedlyed connected with housing (2) by fixed connection point (9), and described fixed connection point (9) is positioned at a side of described permanent magnet (4).
3. binder type device for detecting respiratory according to claim 2 is characterized in that: described bellyband (1) has elasticity.
4. binder type device for detecting respiratory according to claim 2, it is characterized in that: be positioned at the inner and one section bellyband (1) that be positioned between described fixed connection point (9) and the permanent magnet (4) of described housing (2) and have elasticity, the bellyband of remainder (1) does not have elasticity.
5. binder type device for detecting respiratory according to claim 2 is characterized in that: described bellyband (1) is connected with housing (2) elasticity by being positioned at the inner spring (5) of described housing (2); Described spring (5) is a helical spring, and the one end is connected with described bellyband (1), and the other end is connected with described housing (2).
6. according to each described binder type device for detecting respiratory of claim 1 ~ 5, it is characterized in that: described bellyband (1) is flat, two planes of symmetry of described housing (2) have two bar holes (7), and described bellyband (1) passes two described bar holes (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019571 CN203089116U (en) | 2013-01-15 | 2013-01-15 | Bellyband type respiration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019571 CN203089116U (en) | 2013-01-15 | 2013-01-15 | Bellyband type respiration detection device |
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| Publication Number | Publication Date |
|---|---|
| CN203089116U true CN203089116U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019571 Expired - Lifetime CN203089116U (en) | 2013-01-15 | 2013-01-15 | Bellyband type respiration detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103040469A (en) * | 2013-01-15 | 2013-04-17 | 重庆大学 | Respiration detection bellyband |
| CN105030213A (en) * | 2015-09-01 | 2015-11-11 | 饶彬 | Vital sign detection device |
| CN105310689A (en) * | 2014-06-18 | 2016-02-10 | 北京东拓科技有限公司 | Relaxation training device and system |
| CN106667492A (en) * | 2016-12-12 | 2017-05-17 | 盐城师范学院 | Linear Hall respiration sensor |
| ES2939207A1 (en) * | 2021-10-19 | 2023-04-19 | Univ Valladolid | Device for measuring the respiratory rate of a patient and associated measurement method (Machine-translation by Google Translate, not legally binding) |
-
2013
- 2013-01-15 CN CN 201320019571 patent/CN203089116U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103040469A (en) * | 2013-01-15 | 2013-04-17 | 重庆大学 | Respiration detection bellyband |
| CN105310689A (en) * | 2014-06-18 | 2016-02-10 | 北京东拓科技有限公司 | Relaxation training device and system |
| CN105030213A (en) * | 2015-09-01 | 2015-11-11 | 饶彬 | Vital sign detection device |
| CN106667492A (en) * | 2016-12-12 | 2017-05-17 | 盐城师范学院 | Linear Hall respiration sensor |
| ES2939207A1 (en) * | 2021-10-19 | 2023-04-19 | Univ Valladolid | Device for measuring the respiratory rate of a patient and associated measurement method (Machine-translation by Google Translate, not legally binding) |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
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| CX01 | Expiry of patent term |