CN208259076U - A kind of induction charging-self type hip wearing air bag - Google Patents
A kind of induction charging-self type hip wearing air bag Download PDFInfo
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- CN208259076U CN208259076U CN201820489120.6U CN201820489120U CN208259076U CN 208259076 U CN208259076 U CN 208259076U CN 201820489120 U CN201820489120 U CN 201820489120U CN 208259076 U CN208259076 U CN 208259076U
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- air bag
- hip
- host computer
- axis acceleration
- gyroscope
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Abstract
The utility model discloses a kind of induction charging-self type hips to dress air bag comprising slave computer, the slave computer include two 3-axis acceleration inductors and a gyroscope, and each 3-axis acceleration inductor and gyroscope are respectively equipped with first communication module；Host computer is equipped with second communication module in the host computer；And working machine, the working machine includes air bag, compressed gas cylinder and electric control valve, the compressed gas cylinder is set in the air bag or is connected to by conduit with the air bag, and the air valve is set to the compressed gas cylinder oral area, and the electric control valve is equipped with third communication module.The utility model incudes the variation of human body attitude by two 3-axis acceleration inductors and a gyroscope, then judges whether to fall and control the full of air bag by host computer.The utility model, which fast automatic can incude, when tumble inflates air bag, buffers body when contacting ground, mitigates the impact that hip is subject to, effectively reduce the incidence of Hip Fracture.
Description
Technical field
The utility model belongs to physical protection wearable device technical field, and in particular to a kind of induction charging-self type hip wearing
Air bag.
Background technique
According to International Classification of Diseases encode the diagnosis in the 9th edition CD-9 definition, Hip Fracture refer generally to fracture of neck of femur and
Intertrochanteric fracture, because the two age of onset and injured reason are much like, sclerotin position is also close, therefore, in epidemiology, grinds
In studying carefully, bone between fracture of neck of femur and tuberosity is together studied.
For leading to the high risk factor of Hip Fracture, there is scholar to think, fall sprain be Hip Fracture first reason,
The geometry of hip is with regard to (the angle between neck of femur axial length and femoral shaft axial length collodiaphyseal angle (neck-shaft angle, NSA)
Degree) for, since NSA is larger, the arm of force is relatively long, when by external force, such as falls, is easy to cause Hip Fracture.
Alonso's the study found that collodiaphyseal angle increases 1SD women's Hip Fracture, 3.48 times of risk increase.And for hip shaft length
(hip axis length, HAL) (greater trochanter of femur outer rim through neck of femur, femoral head axis to the inner edge of pelvis) for,
HAL increases again such that the arm of force increases, and the risk of fracture increases.Faulkner et al. has found patients with hip fracture and control group
It compares, HAL longer and the every increase 1SD of hip axial length, the risk of Hip Fracture can be made to increase by twice.When falling down, body mechanics
Play an important role in the pathogenesis of Hip Fracture, it has already been proven that fall down be impact force direction, change normal
Human Physiology mechanics has more when side position is fallen down so as to cause Hip Fracture in the influence for not considering femoral neck bone mineral density
The incidence of high Hip Fracture, therefore in the case where no protection, when falling down, greater trochanter of femur is hit, hip bone is caused
The probability of folding is maximum, and generated impact force is fallen down significantly more than the strength for causing fracture in side.And some guarantors of human body
Shield property mechanism, both hands are lost with advancing age and gradually to extension when such as falling down.
And there are many immanent cause the reason of being mainly osteoporosis, causing osteoporosis fractured, and mainly have one, the elderly
Function of osteoblast decline, two, parathyroid hormone secretion increases, three, calcium uptake reduce, four, the factors such as Calcitonin Level is low.
For example for the elderly, Hip Fracture is often few with activity, sunlight irradiation is related with the synthesis deficiency of vitamin D, and women
The decline of postmenopausal estrogen level, when calcium being caused to lose the factors such as increase, proximal femur or even whole body, stock index have in various degree
It is loose, slight external force just can lead to fracture.Zetterherg point out the time and location that Patients With Hip Fracture is easily fallen forward and certain
A little diseases, hip sclerotin patient, which falls forward, to be occurred on daytime, and in own home, and winter is stubborn, and incidence is higher, and annual 12
Month, January next year be the high-incidence season, while the risk factor pointed out further includes drinking, smoking, certain neuromuscular diseases, heart disease,
The insufficiency of intake of vertigo, eyesight and dysaudia, vitamin D and calcium.
Since how larger the Patients With Hip Fracture age is, many patients are associated with cardiovascular disease simultaneously and other are senile
Disease, long-term bed also easily causes multiple complications after fracture, therefore its death rate is higher.Therefore Hip Fracture has become old age
One of people's death and the most important reason of disability.Ddhl has investigated the death condition of 675 Patients With Hip Fractures, after as a result fracturing
The death rate is 13.9% during in hospital, and death rate male is 17.1% in the latter moon of fracturing, and women 9.8%.It finds simultaneously
The age when death rate is fractured with patient is related, and the age is bigger, and the death rate is higher.The reason of Patients With Hip Fracture death, mainly
Concurrent bronchitis, the diseases such as heart failure and cerebrovascular accident.
China has entered standardization aging society, and the elderly does not need because of the muscle group regression of hip week, delay of response, osteoporosis
Big violence such as falls or lower limb reverses suddenly, or even may all fracture in microtrauma.Warriner etc. refers to
Out, the important risk factor that fracture of neck of femur occurs for the elderly is osteoporosis, therefore prevents femoral neck fracture in elders, should be reinforced
The safeguard procedures of the elderly usually, and attention control osteoporosis improve sclerotin content by measures such as drug exercises, reduce
The chance of wound occurs, reduces incidence of fracture.
Utility model content
Therefore, in order to prevent old hip fracture, reinforce the safeguard procedures of the elderly, the purpose of this utility model is that mentioning
Air bag is dressed for a kind of induction charging-self type hip, which dresses air bag when wearing personnel fall down, can be automatic
Incude posture, determines to inflate air bag after falling, buffer body when contacting ground, mitigate the impact that hip is subject to, have
Effect reduces the incidence of Hip Fracture.
The induction charging-self type hip of the utility model dresses air bag
Slave computer, the slave computer include two 3-axis acceleration inductors and a gyroscope, and each three axis accelerates
Spend inductor and gyroscope；
Host computer, the host computer are mobile phone or watch；And
Working machine, the working machine include air bag, compressed gas cylinder and electric control valve, and the compressed gas cylinder is set to the air bag
In or be connected to the air bag by conduit, the air valve is set on the compressed gas cylinder oral area；
Wherein, a 3-axis acceleration inductor may be worn on upper torso, another described 3-axis acceleration
Inductor may be worn at one's knees, and the gyroscope may be worn on hip position, and the air bag may be worn on around hip；Described
Two 3-axis acceleration inductors and gyroscope can upload inductive signal to the host computer, and the host computer can be to described automatically controlled
Air valve issues open instructions.
The utility model can incude the variation of human body attitude by two 3-axis acceleration inductors and a gyroscope,
And then the data by uploading are to determine whether fall.On the one hand, when human body is fallen, in essence it is considered that freely falling
Body, 3-axis acceleration inductor can induce the acceleration of the gravity direction generated by freely falling body, two 3-axis acceleration senses
It answers device to be worn on upper torso and at one's knees respectively, is respectively induced the two-part acceleration displacement of wearing personnel's body or more；Another party
Face is toppled over when human body is fallen by upright state for horizontality, and gyroscope then can produce out level and topple signal.The host computer
Only receive two gravity direction acceleration signals simultaneously and level topple signal when judgement just now fall down and issue opening and refer to
It enables.And do not judge and fall down when only receiving one of signal or any two signal, it can effectively avoid wearer's row
Walk, the postural changes such as sitting and lying when air bag false triggering.
Data interaction between the slave computer, host computer and working machine can be carried out by built-in communication module, such as
Two 3-axis acceleration inductors, the gyroscope, the host computer and the electric control valve can respectively built-in low coverage without
Line communication module.
It is logical that the low coverage wireless communication module can be selected from bluetooth communication, Wireless Fidelity communication module, ZigBee protocol
Believing module and ultra-wideband communications module etc. commonly closely can quickly transmit the communication module of signal.It is preferred that Bluetooth communication mould
Block, short range transmission signal stabilization transmit fast and low manufacture cost.
When human body is fallen, in essence it is considered that freely falling body, therefore about liftoff 1 is fallen with the height system of adult
Object makees freely falling body at rice, according to freely falling body formula, h=1/2gt2Obtain t1≈0.45s.And 3-axis acceleration inductor
Variation with gyroscope sensed position and the time t that host computer is uploaded to by bluetooth2≈ 0.045s, therefore when falling,
Before body contacts to earth, 3-axis acceleration inductor, gyroscope sensed position variation is simultaneously uploaded to the calculating of upload machine with bluetooth, makes and falling
Sentence and is possibly realized (in 45ms).Host computer is fallen after judgement establishment, i.e. instruction unpack small steel cylinder air valve, quickly fills air bag.
Preferably, the host computer is mobile phone or watch or other are convenient for the articles accompanied worn or held.
Preferably, the conformal design of air bag, can be distributed in hip joint two sides and sacrococcygeal region after expansion, two sides hip is wrapped up
1/2 and sacrococcygeal region in portion, femur.
Further, the air bag divides three and is connected to by conduit with the compressed gas cylinder, two of them profiling two sides
Hip design, the design of another profiling sacrococcygeal region.
Preferably, the air bag material is the high nylon of tensile strength, internal layer is coated with seal rubber, and inner surface is with dry
Powder.Wherein internal layer, which is coated with seal rubber, can be improved air-tightness, prevent gas from leaking；Inner surface has dry powder, can prevent from folding
To be broken through when being adhered together and breaking out.
Preferably, pressure limiting valve built in the air bag.When air bag fill to a certain degree when, automatic opening exhaust, prevent gas
Capsule over filling, tension is excessively high, causes secondary injury.
Air bag filling volume and it is full after require to reach gas flow compression in 1.5 atmospheric pressure and be stored in gas cylinder, air valve
It is required that fully opening in moment, each air bag is quickly filled by conduit.Due to fall to body contact to earth between time it is very short
(450ms), therefore it is required that Steel cylinder gas valve is opened and the time of full air bag is shorter (< 400ms).The utility model electric control valve is pre-
Select two schemes:
Scheme one controls air valve referring to the principle of camera electric mechanical mixing shutter.
Scheme two is closed gas cylinder mouth with blasting bolt, and automatically controlled quick-fried Broken bolt opens gas cylinder.
Preferably, the utility model further includes cloud, the host computer can carry out data interaction with the cloud.On described
The data that position machine is acquired to 3-axis acceleration inductor and the gyroscope described in cloud transmission airbag-releasing the first two, cloud into
Row analysis processing, valid data reach host computer database again, user's host computer comparing after being conducive to.
Preferably, the utility model further includes early warning plane, the early warning plane can be worn by the personnel other than wearing personnel or
Hold, the host computer can be to the early warning plane sending alarm signal when full for the air bag.The early warning plane can be mobile phone
Or watch or other convenient for wearing or articles accompanieds for holding, corresponding app is installed.
The utility model has the beneficial effects that:
1, the utility model incudes the variation of human body attitude by two 3-axis acceleration inductors and a gyroscope,
Then judge whether to fall and control the full of air bag by host computer.The utility model, which fast automatic can incude, when tumble makes gas
Capsule inflation, buffers body when contacting ground, mitigates the impact that hip is subject to, effectively reduces the incidence of Hip Fracture.
2, the utility model incudes the variation of human body attitude by two 3-axis acceleration inductors and a gyroscope,
Simultaneously in the particular algorithm for judgement of falling built in host computer.The host computer only has while receiving two gravity direction acceleration
Signal and level topple signal when just now judgement fall down and issue open instructions.And one of signal is only received, or any
It does not judge and falls down when two signals, the false triggering of air bag when can effectively avoid the postural changes such as wearer's walking, sitting and lying.
3, the utility model may also be combined with cloud, by mobile phone app or special watch, establish first five minute of airbag-releasing
Data collection and storage, improve database.
4, early warning plane can be also arranged in the utility model, have the function of alarming to other people.
Detailed description of the invention
Fig. 1 is the schematic diagram that the utility model incudes that charging-self type hip dresses air bag；
Fig. 2 is the air bag schematic diagram that the utility model incudes that charging-self type hip dresses air bag；
Fig. 3 is the interaction schematic diagram that the utility model incudes that charging-self type hip dresses air bag.
Specific embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.It should be understood that following embodiment is only used for
Bright the utility model is not for restriction the scope of the utility model.
Embodiment 1
The induction charging-self type hip wearing air bag of the present embodiment is as shown in Figure 1, comprising:
(1) slave computer
Slave computer includes a body 3-axis acceleration inductor A1, a lower limb 3-axis acceleration inductor A2 and one
Gyroscope A3, each 3-axis acceleration inductor and gyroscope are respectively equipped with first communication module.Wherein, body 3-axis acceleration sense
Device A1 is answered to may be worn on upper torso, when sensing the acceleration for the gravity direction (being set as-Z) that upper torso whereabouts generates,
It is "-" signal when generating "+" signal, and being not sensed by；Lower limb 3-axis acceleration inductor A2 may be worn at one's knees, likewise,
It is "-" signal when generating "+" signal, and being not sensed by when sensing the acceleration for the gravity direction that upper torso whereabouts generates；
Gyroscope A3 may be worn on hip position, and induction body is toppled over by upright state for horizontality, the "+" letter that generation level is toppled
Number, and be "-" signal when being not sensed by.
(2) host computer
Host computer is mobile phone or watch B1, is provided with second communication module.
(3) working machine
Working machine includes a compressed gas cylinder C1, an electric control valve C2 and three air bag C3.
Compressed gas cylinder C1 is small steel cylinder, is inside compressed with inert gas such as nitrogen, argon gas or carbon dioxide.
Electric control valve C2 is set to compressed gas cylinder C1 oral area, and electric control valve C2 is equipped with third communication module.
Three air bag C3 air bags may be worn on around hip, is connected to by conduit with compressed gas cylinder C1.Two of them profiling
The design of two sides hip, another profiling sacrococcygeal region design, as shown in Fig. 2, can be distributed in hip joint two sides after three airbag deployments
And sacrococcygeal region, package two sides hip, 1/2 and sacrococcygeal region on femur.Air bag material is the high nylon of tensile strength, and internal layer is coated with close
Rubber is sealed, inner surface has dry powder.Wherein internal layer, which is coated with seal rubber, can be improved air-tightness, prevent gas from leaking；Inner surface additional
There is dry powder, can prevent from folding up and be broken through when being adhered together and breaking out.Pressure limiting valve built in air bag.When air bag is filled to certain
When degree, automatic opening exhaust prevents air bag over filling, tension is excessively high, causes secondary injury.
In slave computer, host computer and working machine, first communication module, second communication module and third communication module are low coverage
Wireless communication module.It is logical that low coverage wireless communication module can be selected from bluetooth communication, Wireless Fidelity communication module, ZigBee protocol
Believing module and ultra-wideband communications module etc. commonly closely can quickly transmit the communication module of signal.It is preferred that Bluetooth communication mould
Block, short range transmission signal stabilization transmit fast and low manufacture cost.
Preferably, the utility model may also include cloud, host computer B1 is interacted by second communication module with cloud, interaction
It include: the data that host computer B1 transmits airbag-releasing the first two 3-axis acceleration inductor and gyroscope acquisition to cloud, cloud
It is analyzed and processed, valid data reach host computer database again, user's host computer comparing after being conducive to.
Preferably, it further includes early warning plane, early warning plane can be worn or be held by the personnel other than wearing personnel, and air bag is full
When host computer can by second communication module to early warning plane issue alarm signal.Early warning plane can be mobile phone or watch, Huo Zheqi
He installs corresponding app convenient for the articles accompanied worn or held.
The present embodiment induction charging-self type hip wearing air bag interactive process include:
When wearer is fallen down, body 3-axis acceleration inductor A1 incudes upper torso whereabouts acceleration, three axis of lower limb
Acceleration induction device A2 incudes upper and lower extremities whereabouts acceleration, and two 3-axis acceleration inductors generate the acceleration of gravity direction
"+" signal simultaneously uploads B1 to host computer by first communication module respectively；The body of gyroscope A3 induction simultaneously is inclined by upright state
Be horizontality, generation level topple "+" signal and by first communication module to host computer B1 upload；
The gravity direction that host computer B receives the upload of two 3-axis acceleration inductors by second communication module simultaneously adds
The level that speed "+" signal and gyroscope upload topple "+" signal when judgement fall down, then beaten immediately to electric control valve C2 transmission
Open instruction；
After electric control valve C2 receives open instructions by third communication module, moment is opened, the compression in compressed gas cylinder
Gas moment fills air bag；
Host computer B1 judges to issue alarm signal to early warning plane after falling down；
Host computer B1 judges to fill preceding 2~5 minutes two 3-axis acceleration inductors and gyro to acquisition air bag after falling down
The signal data of instrument, and it is uploaded to cloud；
Cloud carries out data processing and storage, then gives useful data feedback to host computer B1.
The utility model is the variation that human body attitude is incuded by two 3-axis acceleration inductors and a gyroscope,
And then the data by uploading are to determine whether fall.On the one hand, when human body is fallen, in essence it is considered that freely falling
Body, 3-axis acceleration inductor can induce the acceleration of the gravity direction generated by freely falling body, two 3-axis acceleration senses
It answers device to be worn on upper torso and at one's knees respectively, is respectively induced the two-part acceleration displacement of wearing personnel's body or more；Another party
Face is toppled over when human body is fallen by upright state for horizontality, and gyroscope then can produce out level and topple signal.Host computer only has
Receive two gravity direction acceleration signals simultaneously and level topple signal when judgement just now fall down and issue open instructions.And
When only receiving one of "+" signal or any two "+" signal, does not judge and fall simply by the presence of at least one "-"
, silent status, the false triggering of air bag when can effectively avoid the postural changes such as wearer's walking, sitting and lying are in.
In addition, judging the algorithm fallen down for host computer B1, simulation can be first passed through in advance and fallen down, acquire two 3-axis accelerations
Inductor and the corresponding data of gyroscope, are stored by host computer B1, and wearer can also when generating matched data-signal
Fall down that trigger air bag full by host computer B1 judgement.
During actual wear, when air bag triggers, host computer can also 2~5 minutes two three axis add before trigger collection in real time
Then speed sensor and the corresponding data of gyroscope are uploaded to cloud, carry out data processing and storage by cloud, then will be useful
Data feedback to host computer, automatic study is realized with this, so that more intelligence and accurate is fallen down in judgement.
When human body is fallen, in essence it is considered that freely falling body, therefore about liftoff 1 is fallen with the height system of adult
Object makees freely falling body at rice, according to freely falling body formula, h=1/2gt2Obtain t1≈0.45s.And 3-axis acceleration inductor
Variation with gyroscope sensed position and the time t that host computer is uploaded to by bluetooth2≈ 0.045s, therefore when falling,
Before body contacts to earth, 3-axis acceleration inductor, gyroscope sensed position variation is simultaneously uploaded to the calculating of upload machine with bluetooth, makes and falling
Sentence and is possibly realized (in 45ms).Host computer is fallen after judgement establishment, i.e. instruction unpack small steel cylinder air valve, quickly fills air bag.
Air bag filling volume and it is full after require to reach gas flow compression in 1.5 atmospheric pressure and be stored in gas cylinder, air valve
It is required that fully opening in moment, each air bag is quickly filled by conduit.Due to fall to body contact to earth between time it is very short
(450ms), therefore it is required that Steel cylinder gas valve is opened and the time of full air bag is shorter (< 400ms).The utility model electric control valve is pre-
Select two schemes:
Scheme one controls air valve referring to the principle of camera electric mechanical mixing shutter.
Scheme two is closed gas cylinder mouth with blasting bolt, and automatically controlled quick-fried Broken bolt opens gas cylinder.
The preferred embodiment created to the utility model above is illustrated, but the utility model is created not
It is limited to embodiment, those skilled in the art are various etc. without prejudice to can also make under the utility model precondition for innovation
Same variation or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (7)
1. a kind of induction charging-self type hip dresses air bag, characterized in that it comprises:
Slave computer, the slave computer include two 3-axis acceleration inductors and a gyroscope, each 3-axis acceleration sense
Answer device and gyroscope；
Host computer, the host computer are mobile phone or watch；And
Working machine, the working machine include air bag, compressed gas cylinder and electric control valve, the compressed gas cylinder be set in the air bag or
Person is connected to by conduit with the air bag, and the air valve is set to the compressed gas cylinder oral area；
Wherein, a 3-axis acceleration inductor may be worn on upper torso, another described 3-axis acceleration induction
Device may be worn at one's knees, and the gyroscope may be worn on hip position, and the air bag may be worn on around hip；Described two
3-axis acceleration inductor and gyroscope can upload inductive signal to the host computer, and the host computer can be to the electric control valve
Issue open instructions.
2. induction charging-self type hip dresses air bag as described in claim 1, which is characterized in that the conformal design of air bag, exhibition
It can be distributed in hip joint two sides and sacrococcygeal region after opening, 1/2 and sacrococcygeal region on package two sides hip, femur.
3. induction charging-self type hip dresses air bag as described in claim 1, which is characterized in that the air bag is divided into three and leads to
It crosses conduit to be connected to the compressed gas cylinder, the design of two of them profiling two sides hip, the design of another profiling sacrococcygeal region.
4. induction charging-self type hip dresses air bag as described in claim 1, which is characterized in that the air bag material is that tension is strong
High nylon is spent, internal layer is coated with seal rubber, and inner surface has dry powder.
5. induction charging-self type hip dresses air bag as described in claim 1, which is characterized in that pressure limiting valve built in the air bag.
6. as described in claim 1 induction charging-self type hip dress air bag, which is characterized in that it further includes cloud, it is described on
Position machine can carry out data interaction with the cloud.
7. induction charging-self type hip dresses air bag as described in claim 1, which is characterized in that it further includes early warning plane, described
Early warning plane can be worn or be held by the personnel other than wearing personnel, and the host computer can be to the early warning plane when full for the air bag
Issue alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820489120.6U CN208259076U (en) | 2018-04-08 | 2018-04-08 | A kind of induction charging-self type hip wearing air bag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820489120.6U CN208259076U (en) | 2018-04-08 | 2018-04-08 | A kind of induction charging-self type hip wearing air bag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108433211A (en) * | 2018-04-08 | 2018-08-24 | 上海致昌纺织品贸易有限公司 | A kind of induction charging-self type hip wearing air bag |
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2018
- 2018-04-08 CN CN201820489120.6U patent/CN208259076U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108433211A (en) * | 2018-04-08 | 2018-08-24 | 上海致昌纺织品贸易有限公司 | A kind of induction charging-self type hip wearing air bag |
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