CN108784721A - A kind of head force and device for measuring force - Google Patents
A kind of head force and device for measuring force Download PDFInfo
- Publication number
- CN108784721A CN108784721A CN201810332489.0A CN201810332489A CN108784721A CN 108784721 A CN108784721 A CN 108784721A CN 201810332489 A CN201810332489 A CN 201810332489A CN 108784721 A CN108784721 A CN 108784721A
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- head
- force
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- forcing
- load cell
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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
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
-
- 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
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physical Education & Sports Medicine (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of new head forces and device for measuring force, including five stationary base mount, liftable unit, head partitioning device, forcing unit, load cell parts.Stationary base mount and liftable unit realize the general applicability of the present invention, head partitioning device realizes the subregion to head, it is exerted a force to head different zones by the electronics force (forcing) pump realization of electronic control system control in forcing unit, the pressure transducer of load cell measures applied power and switchs to the incoming computer unit of electric signal and shown and recorded, and the result of load cell can control forcing unit and apply accurate uniform pressure to head specific region.Present invention could apply to the relationships between exploratory flight person head different zones stress size, comfort level, ergonomics cognition, find optimal force mechanism and help to optimize the mechanical property of aircrew helmet's design to make it have higher comfort level and meet the ergonomics cognition of pilot.
Description
Technical field
1 the present invention relates to a kind of force and device for measuring force, specially a kind of device to head force and measuring force.
Background technology
The helmet that 2 pilots wear, helmet shell are mostly used the light materials such as fiberglass or plastics and are made, be mainly used for preventing head
Shake wound or gouge, and can noise-proofing.This helmet can encase ear and two cheeks, and equipped with earphone and transmitter etc., some is also equipped with
Mask moving up and down, with protect eyes and face.Despite the use of light material, but the weight of the helmet is still at 2 kilograms
Left and right, the ergonomics that pilot can be influenced for the pressure that pilot head generates recognize, and such as pilot's operation can be brought to imitate
The problems such as reduction of rate.
The comfort level that 3 aircrew helmets wear has flight safety and operation effectiveness important influence.Needle at present
To the research of the mechanics comfort level of aircrew helmet have Tsinghua University research helmet quality and barycenter to military secret pilot's neck
Discussion of the influence and Northwestern Polytechnical University of muscular strength for lining of helmet material to helmet comfort level.The former mainly utilizes
The influence of the quality for the flesh bone model research helmet that Anybody is established and the position of barycenter to nutator and complexus,
Its experimental result can provide qualitative or quantitative reference during designing and using the helmet.Secondly, about grinding for comfort level
Study carefully also for helmet liner material Quality Research, mainly study under lining of helmet material itself hardness, storage requirement and
Intensity, degree of deformation in blastic deformation experiment is to speculate its comfort level.
4 however, previous experiments simply by emulation technology and the level of comfort of the method reasoning helmet of model experiment, from work
Effect learns research or the blank of the comfort level of angle of cognition evaluation helmet head pressure.In addition, human body head different zones for
The ability to bear of pressure is different.It is recognized accordingly, with respect to the size, correlation and ergonomics of head different zones pressure
Between the research of relationship urgently carry out.
5 in view of the above-mentioned problems, the present invention provides a kind of device of head force dynamometry, for exploratory flight person head difference
Relationship between region stress size, comfort level, ergonomics cognition finds optimal force mechanism help and optimizes aircrew helmet
The mechanical property of design is recognized with making it have higher comfort level and meeting the ergonomics of pilot.
Invention content
6 the object of the present invention is to provide a kind of devices of head force and dynamometry, for exploratory flight person head not same district
Relationship between domain stress size, comfort level and ergonomics cognition, finds the making that optimal force mechanism is aircrew helmet
Offer standard.
7 in order to solve the above technical problems, and the present invention is achieved by the following technical solutions:A kind of head force dynamometry dress
It sets, which is made of stationary base mount, liftable unit, head partitioning device, forcing unit, load cell.
The stationary base mount 1 of the 8 head forces and device for measuring force is made of pedestal, frame body, main to realize the fixed head
Portion exerts a force and the effect of device for measuring force main body, and the material that any intensity and toughness meet condition can be used to make, can be in form
Using the form that can arbitrarily realize fixed function.
The liftable unit 2 of the 9 head forces and device for measuring force is made of control lifting unit, body structure unit,
It act as adjusting the force according to its sitting height for the subject personnel of different heights and the height of device for measuring force is described to realize
Force and device for measuring force correctly exert a force to pilot head, and the control lifting unit of the liftable unit is by sleeve, screw group
In the support bracket fastened frame body is nested at the sleeve of, the control lifting unit of the liftable unit, using it is described can
The screw of the control lifting unit of lifting unit can be realized is locked at a certain fixed high of the support bracket fastened frame body by sleeve
The function of degree, the control lifting unit of the liftable unit are connected with the body structure of the liftable unit, realize control
Lifting unit controls the function of babinet structure height.
The head partitioning device 3 of the 10 head forces and device for measuring force is by helmet-type inner cavity 31, subregion piece 32 and lower jaw
Fixed band 33 is constituted, and it acts as head is divided into different region realizations to apply each region on different power, the head
The helmet-type inner cavity 31 of partitioning device makes according to pilot's average-size, and the different zones of helmet-type inner cavity 31 are drilled with hole confession
Gas-guide tube passes through, and the subregion piece 32 of the head partitioning device is connected in specific position and helmet-type inner cavity 31, realizes head
It is divided into prefrontal area, left and right crown area, calvarium area, left and right occipital bone area, the lower jaw of the head partitioning device is fixed band 33 and realized
The fixation of subject person head position when the head force and device for measuring force exert a force to head.
The forcing unit 4 of the 11 head forces and device for measuring force is by air bag 41, electronics force (forcing) pump 42, electronics gas bleeder valve
43, electronic control system 44 is constituted, and forcing unit 4, which is realized to head, applies pressure, and the air bag 41 of the forcing unit 4 can lead to
It crosses any suitable way to be embedded in the head partitioning device 3 of the force and device for measuring force, the air bag 41 of the forcing unit 4
It is connect by gas-guide tube with the electronics force (forcing) pump 42 of the forcing unit 4 and electronics gas bleeder valve 43, the electronics control of the forcing unit 4
System 44 processed, to gas pressurized in air bag 41 and stopping, realizing the expansion of air bag 41 simultaneously to head spy by circuit control force (forcing) pump 42
Determine region applied force, the electronic control system 44 of the forcing unit is lost heart by circuit control gas bleeder valve.
The load cell 5 of the 12 head forces and device for measuring force is made of pressure transducer 51, computer unit 52, is realized
Measurement to air pressure in air bag 41 and record, the pressure transducer 51 of the load cell are logical with the air bag 41 of the forcing unit
Gas-guide tube connection is crossed, the computer unit 52 of the load cell is connected with pressure transducer 51 by circuit, and pressure signal is turned
Electric signal is changed to show and record on computer unit 52.
The electronic control system 44 of the forcing unit 4 of 13 heads forces and device for measuring force according to head force and
The forcing unit 4 of head force and device for measuring force described in the output control of the computer unit 52 of the load cell 5 of device for measuring force
Electronics force (forcing) pump 42 and electronics gas bleeder valve 43 accurately apply uniform pressure to head different zones.
The 14 head forces and device for measuring force are characterized as:1 He of stationary base mount of the head force and device for measuring force
Liftable unit 2 realizes that the head force and device for measuring force for the general applicability of different pilots, pass through the head
The head partitioning device 3 of force and device for measuring force realizes to the subregion on head, then by forcing unit 4 by electronic control system
The realization of electronics force (forcing) pump 42 of 44 controls exerts a force to head different zones, the dynamometry list of the head force and device for measuring force
The pressure transducer 51 of member 5 measures applied power and switchs to electric signal and be passed to computer unit 52 to be shown and recorded, simultaneously
The measurement result of load cell 5 controls forcing unit 4 and applies accurate uniform pressure to head different zones.
The 15 head forces and the advantage of device for measuring force are:In the forcing unit 4 of the head force and device for measuring force
Air bag 41 region can be specified to apply uniform pressure to head, meet the major premise further studied;The head
52 recorded data of computer unit in the load cell 5 of force and device for measuring force, can be used in exploratory flight person head not
Relationship between being recognized with region stress size, comfort level and ergonomics, it is aircrew helmet's to find optimal force mechanism
Offer standard is provided.Head force and device for measuring force can also further simulate in flight course that there are fly when acceleration
The stressing conditions of office staff head different zones, research in the case that acceleration there are pilot head different zones stress size,
Relationship between comfort level and ergonomics cognition.
Description of the drawings
16 Fig. 1 are the schematic diagram of the present invention.
In 17 figures:1 stationary base mount;2 liftable units;3 head partitioning devices;4 forcing units;5 load cells.
18 Fig. 2 are head partitioning device schematic diagram in the present invention.
In 19 figures:31 helmet-type inner cavities;32 subregion pieces;33 fix band for lower jaw.
20 Fig. 3 are the schematic diagram of forcing unit and load cell in the present invention.
In 21 figures:41 air bags;42 electronics force (forcing) pumps;43 electronics relief valves;44 electronic control systems;51 pressure transducers;
52 computer units.
Specific implementation mode
The 22 head forces and device for measuring force are single by stationary base mount 1, liftable unit 2, head partitioning device 3, force
Member 4, load cell 5 form.
The stationary base mount 1 of 23 heads forces and device for measuring force and the cooperation of liftable unit 2 realization described device for
Different pilots' is generally applicable in, and for different pilots, liftable cell height is adjusted to realize according to pilot's sitting height
Head force device for measuring force is stated correctly to exert a force to pilot head.
The head partitioning device 3 of the 24 head forces and device for measuring force realizes the subregion to head.
Control of the electronics pressurizing valve 42 of the forcing unit 4 of the 25 head forces and device for measuring force in electronic control system 44
It pressurizes to the gas in the forcing unit of the force and device for measuring force 4 air bag 41 under system, and then to pilot's head
The different zones in portion apply corresponding power, and the electronic control system 44 of the forcing unit 4 bears model according to subject personnel
It is trapped among reasonable time control electronics pressurizing valve 42 and stops pressurization.
After 26 pressurizations stop, the pressure transducer 51 in the load cell 5 of the head force and device for measuring force measures institute
The pressure in the air bag 41 in the forcing unit 4 of head force and device for measuring force is stated, and is converted into electric signal transmission to the survey
The computer unit 52 of power unit is shown and is recorded that the head exerts a force and the electronics control in the forcing unit 4 of device for measuring force
Described in pressure value control of the system 44 processed according to the display of computer unit 52 of head force and the load cell 5 of device for measuring force
Electronics force (forcing) pump 42 and electronics gas bleeder valve 43 in the forcing unit 4 of head force and device for measuring force apply accurate pressure.
After the computer unit 52 of the load cell 5 of 27 heads forces and device for measuring force records, the force and
Electronic control system 44 in the forcing unit 4 of device for measuring force controls electronics relief valve 43 to the air bag in the forcing unit 4
41 lose heart.
28 finally remove the force and device for measuring force.
Claims (3)
- It is for head force and dynamometry 1. the device of a kind of head force and dynamometry, it is characterised in that:By stationary base mount, Liftable unit, head partitioning device, forcing unit, load cell form a whole, and head is divided by head partitioning device Prefrontal area, left and right crown area, left and right calvarium area, left and right occipital bone area, forcing unit can apply the pressure of arbitrary size to head, Apply accurate uniform pressure to head specific region using the output control forcing unit of load cell.
- 2. head force according to claim 1 and device for measuring force, it is characterised in that:Forcing unit include several air bags, Several electronics force (forcing) pumps, several electronics gas bleeder valves and an electronic control system exert a force to head using air bag, utilize electronics control System processed accurately controls electronics force (forcing) pump to gas pressurized in air bag, and electronics gas bleeder valve is controlled to air bag using electronic control system Lose heart.
- 3. head force according to claim 1 and device for measuring force, it is characterised in that:Load cell includes that several pressure pass Sensor and a computer unit, pressure transducer measure gas pressure intensity in the air bag of forcing unit and convert the signal to electric signal It is transmitted to the computer unit being connected with circuit with pressure transducer, the reference of the result of load cell as shown forcing unit, control Forcing unit processed accurately applies specific pressure.
Priority Applications (1)
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CN201810332489.0A CN108784721A (en) | 2018-04-13 | 2018-04-13 | A kind of head force and device for measuring force |
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CN201810332489.0A CN108784721A (en) | 2018-04-13 | 2018-04-13 | A kind of head force and device for measuring force |
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CN108784721A true CN108784721A (en) | 2018-11-13 |
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CN201810332489.0A Pending CN108784721A (en) | 2018-04-13 | 2018-04-13 | A kind of head force and device for measuring force |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120289869A1 (en) * | 2009-11-04 | 2012-11-15 | Arizona Board Of Regents For And On Behalf Of Arizona State University | Devices and methods for modulating brain activity |
CN103048069A (en) * | 2013-01-15 | 2013-04-17 | 中国人民解放军总后勤部军需装备研究所 | Testing and evaluation system for wear comfortableness of helmet |
CN104586358A (en) * | 2014-12-02 | 2015-05-06 | 北京航空航天大学 | Head force applying and force measuring device |
CN107049307A (en) * | 2017-05-02 | 2017-08-18 | 臧大维 | Full-automatic EEG signals read the helmet |
CN107198538A (en) * | 2017-07-07 | 2017-09-26 | 李钢 | A kind of adaptive air-cushion type head fixing device |
-
2018
- 2018-04-13 CN CN201810332489.0A patent/CN108784721A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120289869A1 (en) * | 2009-11-04 | 2012-11-15 | Arizona Board Of Regents For And On Behalf Of Arizona State University | Devices and methods for modulating brain activity |
CN103048069A (en) * | 2013-01-15 | 2013-04-17 | 中国人民解放军总后勤部军需装备研究所 | Testing and evaluation system for wear comfortableness of helmet |
CN104586358A (en) * | 2014-12-02 | 2015-05-06 | 北京航空航天大学 | Head force applying and force measuring device |
CN107049307A (en) * | 2017-05-02 | 2017-08-18 | 臧大维 | Full-automatic EEG signals read the helmet |
CN107198538A (en) * | 2017-07-07 | 2017-09-26 | 李钢 | A kind of adaptive air-cushion type head fixing device |
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