EP1789148A1 - Impact power measuring device - Google Patents
Impact power measuring deviceInfo
- Publication number
- EP1789148A1 EP1789148A1 EP05785120A EP05785120A EP1789148A1 EP 1789148 A1 EP1789148 A1 EP 1789148A1 EP 05785120 A EP05785120 A EP 05785120A EP 05785120 A EP05785120 A EP 05785120A EP 1789148 A1 EP1789148 A1 EP 1789148A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chambers
- impact force
- measuring device
- force measuring
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0605—Decision makers and devices using detection means facilitating arbitration
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/02—Training appliances or apparatus for special sports for fencing, e.g. means for indicating hits
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/20—Punching balls, e.g. for boxing; Other devices for striking used during training of combat sports, e.g. bags
- A63B69/24—Punching balls, e.g. for boxing; Other devices for striking used during training of combat sports, e.g. bags mounted on, or suspended from, a movable support
- A63B69/26—Punching balls, e.g. for boxing; Other devices for striking used during training of combat sports, e.g. bags mounted on, or suspended from, a movable support attached to the human body
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/20—Punching balls, e.g. for boxing; Other devices for striking used during training of combat sports, e.g. bags
- A63B69/32—Punching balls, e.g. for boxing; Other devices for striking used during training of combat sports, e.g. bags with indicating devices
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
- A63B71/081—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions fluid-filled, e.g. air-filled
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
- A63B71/14—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the hands, e.g. baseball, boxing or golfing gloves
- A63B71/141—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the hands, e.g. baseball, boxing or golfing gloves in the form of gloves
- A63B71/145—Boxing gloves
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
- A63B71/12—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders
- A63B2071/1208—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders for the breast and the abdomen, e.g. breast plates
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/50—Force related parameters
- A63B2220/51—Force
- A63B2220/53—Force of an impact, e.g. blow or punch
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2244/00—Sports without balls
- A63B2244/10—Combat sports
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2244/00—Sports without balls
- A63B2244/10—Combat sports
- A63B2244/102—Boxing
Definitions
- the present invention relates to an impact force measuring device comprising a plurality of measuring chambers provided in an elastic material, which are arranged and configured such that a blow to be measured on at least one of the measuring chambers whose volume changes, one connected to the Mess ⁇ chambers Ausströmtechnisch and one in the Outflow line arranged sensor.
- Such a percussion force measuring device is known from EP 1 090 661 A1.
- This document teaches to provide as a sensor a temperature-dependent resistor for measuring the flow in the discharge line.
- Such sensors have various disadvantages. First, they are relatively expensive and relatively bulky, both of which are disadvantageous for the realization of enforceable on the market impact measuring devices. Far more problematic, however, is the inherent inertia of such sensors. In martial arts such as Taekwondo the fighters try to land according to certain rules with the hands or feet, with scores are rated only from a certain clout. Up to three or four hits per second are not uncommon and an impact force measuring device must be able to dissolve these beats and process them individually.
- EP 1 090 661 A1 The "open system” described in EP 1 090 661 A1, in which the fluid in the system is essentially unhindered when measured from the system. If the flow can flow off and, after the end of the stroke, also typically flows back into the system through the outflow line, a further development of the impact force measuring device described in EP 1 033 152 B1 is the same developer group which was abandoned because it is too unreliable has exposed.
- EP 1 033 152 B1 describes a "closed system” with a pressure measuring sensor, in which the fluid can not flow out of the outflow line out of the system but is held in the system.
- the Ausström originally could also be omitted, it serves only to position the pressure sensor spatially away from the impact area to avoid injury to the martial artists by the hard sensor.
- the outflow line is only a closed branch line, which does not allow unimpeded outflow of the fluid.
- this closed system is so gastight that set by inaccuracies or falling of the ambient pressure or heating of the gas by the body heat of the athlete measurement inaccuracies that do not allow a reproducible evaluation of the pressure measurement signals.
- this object is achieved in that, in addition to the measuring chambers further chambers are provided, which are not connected to the Ausströmtechnisch with the sensor.
- the further chambers can be designed substantially like the measuring chambers. However, they are not connected to the pressure sensor via the discharge line.
- the further chambers can be closed, for example, each by themselves or they can also be connected to the environment via separate outflow lines.
- the measuring chambers and the further chambers may be provided in a plate-like measuring body, which is formed from the elastically yielding material.
- the plate-like measuring body can for example be incorporated in the manner of a layer in a combat vest or it can be incorporated into a training device.
- the plate-like design has the advantage that the measuring body can be made relatively thin. In addition, such a plate-like measuring body can be relatively easily manufactured.
- the measuring chambers may be elongate and they may have a substantially constant cross-section. In the same way, the other chambers may be formed.
- the measuring chambers and the further chambers can all be arranged in a common plane with, for example, substantially the same distance from the surface of the elastic material.
- the measuring chambers and / or the further chamber may have a round cross-section with, for example, a diameter of about 2 to 7 mm, wherein the distance between the measuring chambers with each other and / or the other chambers is about 1 to 5 mm and wherein the measuring chamber and / or the further chambers are provided in a plate-like measuring body with a thickness of about 5 to 15 mm, such that the distance from the impact side of the measuring body is at least 0.5 mm, preferably about 1 to 3 mm.
- the round cross section it is also possible to provide an oval or a rectangular cross section for the measuring chambers. In particular, for manufacturing reasons, a round cross-section has been proven.
- the discharge line is preferably formed with a round cross-section.
- the discharge line may have a diameter of about 2 to 10 mm, preferably in the range of about 3 to 5 mm. sen. In the case of non-round cross-sections, the dimensions of the diameter are to be understood as corresponding flow cross-sections
- the sensor may be a temperature, acceleration and / or position compensated sensor, in particular a pressure sensor.
- an anemometer e.g. a temperature-dependent resistor, used for flow measurement. Due to the special arrangement of the measuring chambers and other chambers sufficient results can be achieved with such a sensor.
- a significant problem with the use of a sensor in a Schlag ⁇ force measuring device is to ensure that the sensor only the - caused by the impact pressure changes are measured and in particular by the fighting, such as blows, etc., caused Changes in position and accelerations have no effect on the sensor signal
- the pressure sensor may be a double-chip sensor, i. it may comprise two sensor elements connected electrically in antiparallel, of which only one is connected to the measuring chambers, and a semiconductor sensor may be provided
- the other sensor element which is not connected to the measuring chambers, can be connected to the environment.
- the two sensor elements like twins, are of essentially identical design and essentially arranged such that they produce the same cause assuming the same signals.
- the semiconductor sensor may comprise a semiconductor membrane whose deformation under pressure to
- the pressure sensor may have a measuring space, one wall of which is formed by the membrane and has a connection for connecting the outflow line, but otherwise is closed.
- the discharge line can open into the measuring space, so that the discharge line through the measuring space as a dead end
- the membrane 145 is closed.
- the membrane may be open to the environment on its side opposite the measuring space.
- the pressure fluctuations are applied directly to the membrane and the relative pressure to the environment can be measured ("dynamic pressure measurement").
- dynamic pressure measurement in this case, in the case of a pressure sensor with two sensor elements connected in antiparallel, only the membrane of the
- the membrane of the second sensor element may be open to the environment on both sides, so that the membrane of the second sensor element only detects effects caused by temperature changes, changes in position and / or acceleration and compensates for the corresponding signals of the other sensor element.
- the compensated double-chip sensor can also be used for this measurement.
- one sensor element can measure the relative pressure between the throttle and the throttle, while the other serves for the compensation. It is also possible with the one sensor element, the rela ⁇ tivdruck against the environment in front of the throttle and with the other sensor
- the pressure sensor is preferably highly sensitive and preferably has a measuring range of ⁇ 100 mbar, preferably a maximum of 75 mbar. Preferably, it is an absolute pressure sensor.
- the present invention utilizes the pressure fluctuations in the discharge line resulting from impact to measure the impact force 180 instead of the flow rate through the discharge line.
- the Ausström is open to the environment after the pressure sensor.
- the fluid in the system can thus flow out through the discharge line into the environment, for example in the event of a blow or also during movement of the fighter, in the event of air pressure fluctuations or in the event of volume changes as a result of changes in temperature. Accordingly, the fluid can also flow back into the system through the discharge line.
- the fluid flows off after the pressure sensor into a closed large-volume chamber.
- the elastically yielding material is a plastic foam material having a high and fast resilience.
- the resilience must be high enough and fast enough to accommodate the high beat frequency.
- the approximately complete recovery after a strike takes place in a period of less than 0.45, less than 0.3 s, and preferably in a period of 0.25 s and less.
- a suitable plastic is, for example, polyurethane.
- the outflow line can be formed at least partially by the elastic 2oo resilient material.
- the outflow line can be produced integrally with the measuring chambers and / or the further chambers during production, so it can be provided integrally with, for example, the plate-like measuring body.
- the outflow line can be reinforced in such a way that impacts applied to the outflow line in the respective amplified area do not yield any results.
- the reinforcement may for example be provided such that a substantially pressure-resistant hose is used.
- the impact force measuring device can furthermore have a microprocessor to which the measurement signals of the pressure sensor are transmitted and which is designed such that it can determine the impact quality therefrom.
- the time change of the pressure in the outflow line can be the measure to be evaluated, from which the impact quality can be determined. So
- the 215 can be distinguished on the slope of the time derivative of the pressure blows and impact forces.
- the impact quality affects the power and, on the other hand, the speed of the hit.
- the impact force is the relevant criterion for the assessment, for example, in Taekwondo.
- the assessment is made by a point award,
- the microprocessor can be configured such that it only identifies measuring signals as shock when a threshold value is exceeded and further evaluates them. This microprocessor threshold serves to discard any pressure fluctuations that occur as a result of the athlete's movement or extremely weak touches. In this way, the microprocessor calculates only when the pressure exceeds this Schwel ⁇ lenwert.
- the microprocessor may be configured to divide impacts into different categories depending on the force applied during impact. For example, in Taekwondo, punches are scored only when a certain minimum impact force, which is typically based on weight classes, is exceeded. Accordingly, the impact force measuring device or the microprocessor
- the impact force measuring device is thus able to objectively award points per stroke.
- the microprocessor may be designed such that it has an evaluation routine which subjects the measurement signals to a Fourier transformation or integration.
- the Fourier analysis is particularly favorable because it is very well possible to analyze the waveform of the beats and from it
- a buffer may be provided for buffering measurement signals prior to processing by the microprocessor. It is favorable to also utilize those portions of the measurement signal which are detected before the microprocessor threshold value is exceeded. In this way, the total increase immediately after the strike can be evaluated with the help of
- the microprocessor As soon as the microprocessor has identified a measurement signal as a beat when the microprocessor threshold value is exceeded, it reads out earlier values from the buffer memory and includes them in the evaluation.
- the buffer memory can be a ring buffer.
- the invention further relates to a combat vest, boxing gloves or a stroke training device, for.
- a combat vest boxing gloves or a stroke training device
- the invention 270 is particularly applicable to boxing gloves. Boxing is extremely vulnerable to injury. So it always comes back to heavy Head injuries due to blows to the head.
- the use of boxing gloves with an impact force measuring device allows an objective evaluation of hits independently of the effect that a hit shows on a 275 opponent.
- the impact force measuring device can be arranged very close to the fist in the boxing glove and outside the impact force measuring device can be provided very good padding, which can significantly minimize the impact of the hits in the opponent.
- the invention further relates to a competition and / or training evaluation device for use with two combat vests to be worn by martial artists according to the present invention and a computer to which the batting data of the two combat vests are fed, the computer being adapted to suit is to capture the beat data from the
- FIG. 1 shows a combat vest according to the invention for a martial art such as Taekwondo; 295 Fig. 2 is an enlarged view of the impact force measuring device in the
- FIG. 5 shows a schematic section through a pressure sensor in single-chip technology
- a combat vest for Taekwondo is shown.
- the combat vest 2 305 has an integrated impact measuring device 4.
- the Schlagkraftmess ⁇ device 4 consists essentially of a plate or mat-like measuring body 6, which is incorporated into the textile material of the combat vest 2 or is arranged on the textile material on the inside or the outside of the combat vest 2.
- the plate-like 310 measuring body 6 is arranged in the fabric of the combat vest, which is represented by the broken lines.
- the plate-like measuring body 6 is connected by means of two discharge lines 8 to a measuring device 10.
- the measuring device 10 is connected to a measuring device 10.
- the pressure sensor 12 is connected via a short line piece 16 with the environment. That is, the impact force measuring device 4 of the figures is an "open system", i. the measuring chambers arranged in the measuring body 6 are via the discharge lines 8, the pressure sensor 12 and the discharge line 16 of
- the pressure sensor 12 with the environment in substantially unhindered fluid communication.
- the pressure sensor 12 essentially measures only the pressure fluctuation in the fluid, which is vibrationally excited by the impact on the measuring body 6, through the outflow lines 8. 325 Alternatively, the pressure sensor 12 closes off the discharge line 8 and the short line piece 16 provides a reference ambient pressure connection to the pressure sensor 12.
- a highly sensitive pressure sensor preferably a 330 Absoluttikse ⁇ sor with a relatively low measuring range, for example, is used to less than 100 mb.
- a Nieder ⁇ pressure sensor the ACLA series from ASensTec GmbH in double-chip technology with amplifier has been found to be particularly suitable.
- These sensors fulfill the general requirement for sensors for this application, 335 i. Position independence, precision, long - term stability and temperature compensation. The sensors will be described in more detail below with reference to FIGS. 4 and 5.
- An electronic compensation for the elimination of environmental influences, 340 measurement errors, etc. may also be provided in the processing and / or transmitting device 14.
- the discharge lines 8 from the measuring body to the pressure sensor 12 are amplified, so that impacts on these discharge lines 8 do not produce a fluid signal at 345 to the pressure sensor 12 and thus are not detected.
- the pressure sensor 12 and the processing and / or transmitting device 14 are preferably arranged on the back, for example, in the region of the shoulder or the neck of the vest 2, as far away from those for the specific
- the measuring range of the measuring body 6 preferably covers exactly the corresponding parts of the hit.
- the vest 2 is preferably designed as a protective vest to mitigate the effect of the hits on the body.
- the vest 2 has straps 18, with which it can be worn over the shoulder. It also has fastening straps 20
- the measurement signals of the pressure sensor 12 are either directly to an external evaluation circuit
- a radio link is suitable, for example in blue-tooth technology or any other type of radio link. It is also conceivable a cable connection, in particular when, as in fencing only movements are carried out in one direction or when the impact force measuring device in a fixed
- the power requirement of the impact force measuring device 4 can be covered, for example, by means of an entrained battery, etc.
- 380 is transmitted for each fighter. This can be checked on the receiver side, at least for each hit, whether the previous hit was received. It may be favorable to additionally store the transmitted information in the impact force measuring device, so that it is possible in any case after the fight to obtain the complete data.
- the processing and / or transmitting device 14 can essentially have a structure in which, depending on the type of the pressure sensor 12, the measuring signals of the pressure sensor 12 are fed via an amplifier to an AD converter. Amplifiers and AD converters are optional and at least dispensable if the pressure sensor 12 has its own amplifier and / or already outputs digital signals.
- the digitized measurement Signals are fed to a buffer memory, for example a ring buffer, and it is essentially simultaneously checked whether a predefined threshold value is exceeded beyond which a measurement signal identifies itself as a "blow".
- This threshold should be chosen so that usual Druck ⁇ fluctuations, the z. B. as a result of the movements of the fighter, not to be understood as a "blow".
- this threshold value is exceeded, the measurement signals_ of a specific predetermined measurement interval are used for calculating and evaluating the beat.
- this measurement interval also captures measurement signals from a period of time before the threshold is exceeded to evaluate the total increase in the measurement signal, which includes essential information about the beat.
- the actual evaluation can then be carried out, for example, by means of a Fourier analysis or by an area calculation after a full-wave equation.
- the measuring body 6 is shown more clearly.
- the measuring body 6 is made of an elastic, well-restoring plastic, for example polyurethane PU.
- a foamed plastic has proven to be particularly suitable, as it is also used for the production of elastic cushions, for example in the automotive and furniture industry
- the massive material preferably has a density of 200 to 600 kg / m 3 and a Shore A hardness of 20 to 50, possibly also up to about 80 or about 90.
- a ge suitable material is, for example Elastofoam I 309/098 / OF Elastogran with a molding density of 200 to 600 kg / m 3 with an elastic integral foam part.
- An alternative material is crosslinked rubber-like
- Such a material is, for example, crosslinked thermoplastic elastomer, TPE-V.
- the material can be fully crosslinked or partially crosslinked, e.g. be networked to about 98%. It can be a crosslinked PP-EPDM alloy, as spielmik offered under the trade name Forprene used
- the measuring body 6 - whether foamed or unfoamed - has preferably a Shore hardness of about 30 to 70, 40 to 60, 45 to 55 or about 50. Such Shore hardness can be achieved with different Shore hardness of the starting material in foamed materials. With foamed material, a specific weight of about 0.76 kg / dm 3 of the 430 measuring body 6 can be achieved, with solid material of about 0.98 kg / dm 3 .
- the measuring body 6 has a plate-like or mat-like shape and is relatively flat so that it can be easily incorporated in a combat vest, etc.
- Measuring chambers 24 which extend essentially over the entire length of the measuring body 6, are formed in the measuring body 6.
- the measuring chambers 24 open at 26 in the arranged in the measuring body 6 Part 28 of the Ausströmtechnisch 8. A throttle may be provided at this mouth. However, it seems to be suitable.
- the part 28 of the discharge line 8 fulfills the function of a manifold. In FIG. 2, both ends of the measuring chamber 24 open into the discharge line 8. It is generally sufficient to allow only one end of the measuring chambers 24 to open into the discharge line 8.
- Measuring chambers 24 and also further chambers 30 with a substantially uniform longitudinal cross-section in the longitudinal direction, which is for example circular, have proven to be be ⁇ manufacturing and with respect to the measurement signal quality be ⁇ preferred.
- a suitable diameter for the chambers is 465 about 5 mm, a suitable distance between two chambers is about 3 mm.
- FIG. 3 shows a section through the measuring body 6 of FIG. 2 along the line 480 A-A. 3 shows the measuring body 6 and the measurement chambers 26 or further chambers 30 arranged in a regular sequence. Therein, 32 designates the chambers generally and 34 designates a web between two chambers 32.
- FIG. 4 shows a schematic section through a pressure sensor 12 in double-chip technology.
- a housing having two shell halves 36, 38 can be seen on both sides of a printed circuit board 40.
- the printed circuit board 40 can be made of any suitable material, a preferred material being ceramic material. From the circuit board 40 is a connection line
- the "stems" 50 with which the sensor elements 44, 46 are connected to the printed circuit board 40, are a permanently elastic adhesive with which the sensor elements 44, 46 are glued to the printed circuit board 40. In this way, the mechanical effects of the impacts on the sensor elements 44, 46 can be damped relatively well, or the sensor elements 44, 46 thereof are relatively well insulated.
- the two shell halves 36, 38 close tightly against the circuit board 40, so that on both sides of the circuit board 40, a space 52, 54 is formed.
- the 505 spaces 52, 54 are sealed against each other and for each space 52, 54 is a port 56, 58, e.g. for the discharge line 8, provided.
- FIG. 5 shows a pressure sensor 12 in a
- a pressure sensor 12 in single-chip technology in the present invention, e.g. with a separate e.g. electronic temperature, acceleration and / or position compensation.
- the sensor element 46 is similar to that shown in FIG. 4 on a solid support, e.g. a printed circuit board 40, with a permanently elastic
- the sensor element 46 has essentially two plate-like interconnected sensor halves 60, 62.
- a recess 64 is etched by anisotropic etching, so that in the region of this recess 64 only a relatively thin measuring diaphragm 66 is present,
- 520 typically has a rectangular or square shape in plan view. 4 tensile or compressive stress-dependent resistors are provided on the diaphragm 66 and interconnected in the manner of a Wheatstone bridge. Thus, the slightest deformations of the diaphragm 66 can be measured.
- the lower sensor half 62 protects the membrane 66 and
- the two sensor halves 60, 62 are firmly connected to each other. Ideally, the lower and upper sensor halves 60, 62 behave as if they consisted of a single single crystal. Through an opening 68 in the lower sensor half 62, the recess or the measuring chamber 64 can be connected to a (not shown) terminal.
- the space 52 on the other side of the membrane 66 is in contact with the environment through the passage 70, so that the sensor element 46 measures the relative pressure in the measuring space 64 relative to the surroundings ("dynamic pressure measurement").
- Outflow line 8 is connected and the terminal 56 is in contact with the environment, for example with the line 16. Hits a beat on the
- Measuring body 6 can be measured with the sensor element 46, the relative pressure to the environment and in particular the pressure increase or the temporal pressure curve
- the membrane 66 of the second sensor element 44 is in contact only with the connection 56, so that the pressure on both sides of the membrane is ideally the same.
- the membrane 66 of the second sensor element 44 is but in
- the terminals 56 and 58 are connected at a point before or after the throttle to the connecting line 8, so that the sensor element 46 measures the relative pressure or the pressure difference across the throttle.
- the sensor element 44 also serves only for compensation.
- the transmitted or transmitted by cable data are preferably forwarded for example via a receiving module to a computer, such as a conventional personal computer and evaluated there.
- a program runs on the computer, for example, which contains the frame conditions of a competition such as lap times, break times, etc., as well as the different weight classes and the evaluation of the punches, depending on the weight class as well.
- the data of the combat vests of martial artists are processed by the PC, so that the
- PC can show a current score of the fight between the two martial artists.
- the data is transmitted to the PC or possibly several PCs essentially in real time, so that the referee can compare a beat detected by the impact force measuring device with what he actually sees or hears among the martial artists.
- the referee (s) are thus in a position to check the plausibility of the measurement results of the impact force measuring device 4.
- the program on the PC can still be designed to handle the entire tournament schedule with all of the pre-fight, quarterfinal, semi-final and final fights, depending on the mode
- the processing and / or transmitting device 14 or the PC may also be able to carry out a data-related evaluation of the beat characteristics, in order, for example, to control the training of the beats
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measuring Fluid Pressure (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Air Bags (AREA)
- Golf Clubs (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004045188A DE102004045188A1 (en) | 2004-09-17 | 2004-09-17 | Impact force measuring means |
PCT/EP2005/009940 WO2006029869A1 (en) | 2004-09-17 | 2005-09-15 | Impact power measuring device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1789148A1 true EP1789148A1 (en) | 2007-05-30 |
EP1789148B1 EP1789148B1 (en) | 2009-11-11 |
Family
ID=35427326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05785120A Not-in-force EP1789148B1 (en) | 2004-09-17 | 2005-09-15 | Impact power measuring device |
Country Status (12)
Country | Link |
---|---|
US (1) | US20090293587A1 (en) |
EP (1) | EP1789148B1 (en) |
JP (1) | JP2008513745A (en) |
KR (1) | KR20070058509A (en) |
CN (1) | CN101022856A (en) |
AT (1) | ATE448009T1 (en) |
CA (1) | CA2579179A1 (en) |
DE (2) | DE102004045188A1 (en) |
ES (1) | ES2337912T3 (en) |
MX (1) | MX2007003114A (en) |
WO (1) | WO2006029869A1 (en) |
ZA (1) | ZA200701471B (en) |
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- 2005-09-15 DE DE502005008496T patent/DE502005008496D1/en active Active
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- 2005-09-15 KR KR1020077006229A patent/KR20070058509A/en not_active Application Discontinuation
- 2005-09-15 US US11/662,789 patent/US20090293587A1/en not_active Abandoned
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JP2008513745A (en) | 2008-05-01 |
WO2006029869A1 (en) | 2006-03-23 |
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WO2006029869A8 (en) | 2007-04-19 |
DE502005008496D1 (en) | 2009-12-24 |
ATE448009T1 (en) | 2009-11-15 |
ZA200701471B (en) | 2008-09-25 |
EP1789148B1 (en) | 2009-11-11 |
US20090293587A1 (en) | 2009-12-03 |
MX2007003114A (en) | 2007-07-16 |
KR20070058509A (en) | 2007-06-08 |
CN101022856A (en) | 2007-08-22 |
ES2337912T3 (en) | 2010-04-30 |
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