Can measure the digital inertia dumbbell of kinematic parameter
Technical field:
The utility model relates to mankind life article, relates in particular to body-building device, particularly dumbbell, and concrete is a kind of digital inertia dumbbell of measuring kinematic parameter.
Background technology:
Dumbbell is conventional personal fitness apparatus, can assist the exercise of upper arm and shoulder belt muscle strength.But dumbbell does not obviously help the harmony training of N&M.Therefore, the applicant has proposed a kind of dumbbell with adjustable inertia resistance load in Chinese patent CN101664592B, and it arranges a rotatable main shaft in handle for dumbbell inside, and main shaft two ends arrange respectively pendulum rod, pendulum is set on pendulum rod, forms an eccentric pendulum.When the direction of exerting oneself and cycle are when appropriate, eccentric pendulum rotation, produce periodic inertia force, this inertia force makes arm and other healths participate in position and produces additional periodic vibration, participate in muscle and produce periodic muscle tonue, not only trained the collaborative of different link muscle, thereby made the neuromuscular of human body coordinate to be trained well, the strength of related muscles has also been had to good training effect simultaneously.But in existing this dumbbell, the kinematic parameter of pendulum rotation is difficult to embodiment directly perceived, is therefore difficult to assess training effect.Existing exercise for coordination is special mainly for privileged site or specific sports, and as the coorinated training of eye hand, the balance pad training of core position etc., monitoring device is not with in these training.Although and exist some with the exercise and fitness equipment of sensor, but be all for strength building or conventional aerobic exercise, as treadmill, pedometer etc., but these all do not provide the technical scheme that can supply this inertia resistance load dumbbell harmony of assessment and strength to strengthen.
Utility model content:
The purpose of this utility model is to provide a kind of digital inertia dumbbell of measuring kinematic parameter, and the described this digital inertia dumbbell of measuring kinematic parameter will solve the technical problem that cannot assess inertia resistance load dumbbell exercise parameter in prior art.
This digital inertia dumbbell of measuring kinematic parameter of the present utility model, comprise a pipe handle, the two ends of described pipe handle are connected with a guard shield separately, in guard shield described in any one, included a face shield, in pipe handle, be coaxially arranged with an eccentrically weighted shaft, described eccentrically weighted shaft is connected with pipe handle by Bearning mechanism, in a guard shield, be fixedly installed a circuit board therein, on described circuit board, be connected with a Hall code-disc, on described Hall code-disc, be provided with at least one Hall element, the axial line of Hall code-disc overlaps with the axial line of eccentrically weighted shaft, adjacent and be arranged with a magnet rolling disc in parallel with described Hall code-disc in guard shield, described magnet rolling disc is fixedly installed on one end of eccentrically weighted shaft and is coaxial with eccentrically weighted shaft, on magnet rolling disc, be provided with at least two permanent magnets, in circuit board, include a microprocessor, described microprocessor is connected with the FPDP of Hall element on Hall code-disc, microprocessor is also connected with a display screen and a data storage module, described display screen is fixedly installed in described face shield.
Further, on described Hall code-disc, be provided with plural Hall element, described Hall element be take the axle center of Hall code-disc and is uniformly distributed as the center of circle along circumferential.
Further, on described magnet rolling disc, be provided with plural permanent magnet, described permanent magnet be take the axle center of magnet rolling disc and is uniformly distributed as the center of circle along circumferential.
Further, described microprocessor is connected with input keyboard.
Further, described microprocessor is connected with light emitting diode indicating status, and described light emitting diode indicator elment is fixedly installed in described face shield.
Further, described data-storing module comprises a flash card and a flash card draw-in groove, and described flash card is arranged in described flash card draw-in groove, and described flash card draw-in groove is connected with microprocessor by data wire.
Further, described microprocessor is connected with a power circuit, and described power circuit comprises a rechargeable battery, and described rechargeable battery is connected with a charging circuit, described charging circuit comprises a charging inlet, and described charging inlet is fixedly installed in described face shield.
Further, described microprocessor is connected with described data-storing module by serial expanded circuit.
Further, described eccentrically weighted shaft consists of a cylinder profile shaft and two minor axises, two described minor axises are fixedly connected on respectively the two ends of cylinder profile shaft along the radial direction of described cylinder profile shaft, the outer end of any minor axis all includes a balance weight body separately.
Operation principle of the present utility model is: while adopting inertia dumbbell to carry out muscle strength and harmony training, eccentrically weighted shaft rotation under the bias pendulum at its two ends drives, between permanent magnet and Hall element, produce relative displacement, by microprocessor, read rotation number and the rotary speed that can obtain eccentrically weighted shaft after Hall element signal also calculates, and further rotation number and rotary speed are shown in real time by the display screen being arranged in face shield, and utilize data-storing module to store.
Compared with prior art, its effect is actively with obvious to the utility model.The utility model is provided with spinning movement measurement mechanism in inertia dumbbell, can measure in real time number, time, speed and the interruption times of eccentrically weighted shaft rotation in inertia dumbbell, the display screen that utilization is arranged in face shield shows in real time, or utilize data-storing module to store, thereby can accurately reflect exercise intensity, coordination situation and motion process.
Accompanying drawing explanation:
Fig. 1 is the structural representation of measuring the digital inertia dumbbell of kinematic parameter of the present utility model.
Fig. 2 is the decomposition texture schematic diagram of measuring the digital inertia dumbbell of kinematic parameter of the present utility model.
Fig. 3 is the circuit theory schematic diagram in the digital inertia dumbbell of measuring kinematic parameter of the present utility model.
Fig. 4 is the working procedure flow chart of the microprocessor in an embodiment of the digital inertia dumbbell of measuring kinematic parameter of the present utility model.
Fig. 5 is the circuit theory diagrams in the digital inertia dumbbell of measuring kinematic parameter of the present utility model.
The specific embodiment:
Embodiment 1:
As Fig. 1, shown in Fig. 2 and Fig. 3, the digital inertia dumbbell of measuring kinematic parameter of the present utility model, comprise a pipe handle, the two ends of described pipe handle are connected with a guard shield separately, in guard shield described in any one, included a face shield 1, in pipe handle, be coaxially arranged with an eccentrically weighted shaft 2, described eccentrically weighted shaft 2 is connected with pipe handle by Bearning mechanism (not shown), wherein, in a guard shield, be fixedly installed a circuit board 3 (circuit theory diagrams are as Fig. 5) therein, on described circuit board 3, be connected with a Hall code-disc 4, on described Hall code-disc 4, be provided with at least one Hall element, the axial line of Hall code-disc 4 overlaps with the axial line of eccentrically weighted shaft 2, adjacent and be arranged with a magnet rolling disc 5 in parallel with described Hall code-disc 4 in guard shield, described magnet rolling disc 5 is fixedly installed on one end of eccentrically weighted shaft 2 and is coaxial with eccentrically weighted shaft 2, on magnet rolling disc 5, be provided with at least two permanent magnets, in circuit board 3, include a microprocessor 31, described microprocessor 31 is connected with the signal terminal of Hall element on Hall code-disc 4, microprocessor 31 is connected with again a display screen 6, a data storage module 32, described display screen 6 is fixedly installed in described face shield 1.
Further, on described Hall code-disc 4, be provided with plural Hall element, described Hall element be take the axle center of Hall code-disc 4 and is uniformly distributed as the center of circle along circumferential.
Further, on described magnet rolling disc 5, be provided with plural permanent magnet, described permanent magnet be take the axle center of magnet rolling disc 5 and is uniformly distributed as the center of circle along circumferential.
Further, described microprocessor 31 is connected with input keyboard 34.Concrete, in input keyboard 34, include on & off switch 341, navigation key 342 and return key 343.
Further, described microprocessor 31 is connected with light emitting diode indicator elment 7, and described light emitting diode indicator elment 7 is fixedly installed in described face shield 1.
Further, described data-storing module 32 comprises a flash card (not shown) and a flash card draw-in groove 321, described flash card is arranged in described flash card draw-in groove 321, and described flash card draw-in groove is connected with microprocessor 31 by data wire.
Further, described microprocessor 31 is connected with a power circuit (not shown), described power circuit comprises a rechargeable battery, described rechargeable battery is connected with a charging circuit, described charging circuit comprises a charging inlet 8, and described charging inlet 8 is fixedly installed in described face shield 1.
Further, described microprocessor 31 is connected with data transmitting module 33 with described data-storing module 32 by serial expanded circuit 35.
Further, described eccentrically weighted shaft 2 consists of a cylinder profile shaft and two minor axises, two described minor axises are fixedly connected on respectively the two ends of cylinder profile shaft along the radial direction of described cylinder profile shaft, the outer end of any minor axis all includes a balance weight body separately.
The operation principle of the present embodiment is: while adopting inertia dumbbell to carry out the training of N&M harmony, utilize navigation key 342 and return key 343 that pattern, personal information, temporal information are set, and data storage method etc.Eccentrically weighted shaft 2 rotation under the bias pendulum at its two ends drives, between permanent magnet and Hall element, produce relative angular displacement, by microprocessor 31, read direction of rotation, angle, time, the number of turns and the rotary speed that can obtain eccentrically weighted shaft 2 after Hall element signal also calculates, if middle, have and pause or commutation, to be designated as interruption once, and further rotation number and rotary speed are shown in real time by the display screen 6 being arranged in face shield 1, and utilize data-storing module 32 to store.
The working procedure flow chart of microprocessor as shown in Figure 4, microprocessor 31 reads and can process Hall element signal according to the program of burning in advance, and calculate direction of rotation, the number of turns, time and the rotary speed of eccentrically weighted shaft 2, result of calculation shown simultaneously and store transmission.Program shown in Fig. 4 also includes menu setting function, can accept the instruction that arranges of keyboard input, and coordinate interrupt routine to carry out.