CN204807576U - A electromagnetic type measuring apparatu for detecting human body or limbs motion acceleration capacity - Google Patents
A electromagnetic type measuring apparatu for detecting human body or limbs motion acceleration capacity Download PDFInfo
- Publication number
- CN204807576U CN204807576U CN201520536174.XU CN201520536174U CN204807576U CN 204807576 U CN204807576 U CN 204807576U CN 201520536174 U CN201520536174 U CN 201520536174U CN 204807576 U CN204807576 U CN 204807576U
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- coil
- rheostat
- acceleration capacity
- movable contact
- human body
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Abstract
The utility model discloses an electromagnetic type measuring apparatu for detecting human body or limbs motion acceleration capacity, its characterized in that includes ampere meter and varistor ware R1, and the ampere meter is established ties to be had one rather than the coil L1 who constitutes the return circuit, keeps apart the mutual inductance with coil L1 and is equipped with coil L2, and coil L2 establishes ties to be had one rather than the coil L3 who constitutes the return circuit, keeps apart the mutual inductance with coil L3 and is equipped with coil L4, and coil L4 one end is passed through DC power supply and is held with varistor ware R1 movable contact and be connected, and a coil L4 other end and varistor ware R1 stiff end is connected, varistor ware R1 movable contact is connected with the haulage rope through drive mechanism, can judge movable contact accelerated motion's speed through ampere meter beat of pointer range, and the movable contact stimulates the haulage rope action by the people, personnel's acceleration capacity can be judged equally to the amplitude of fluctuation, makes judgeing and the selection objective and fair from this.
Description
Technical field
The utility model relates to a kind of physical training apparatus, particularly relates to a kind of electromagnetic type measuring instrument for human body or limb motion acceleration capacity.
Background technology
In life, people participate in every sports and activity, in order to the achievement that obtains with strengthen fitness, need to carry out a large amount of training, each all will carry out targetedly, as the training of explosive force, in motion, people needs to have certain acceleration capacity from static startup, the training tool of current this acceleration capacity is very abundant, but the means how judging the acceleration capacity appraising through comparison each one also shortcoming very, in sportsman's screening, this standard also very fuzzy, is unfavorable for the choice of elite, still awaits technological improvement perfect.
Utility model content
In order to solve the problem, the utility model provides a kind of electromagnetic type measuring instrument for human body or limb motion acceleration capacity.
The technical solution adopted in the utility model is: a kind of electromagnetic type measuring instrument for human body or limb motion acceleration capacity, it is characterized in that comprising reometer and rheostat R1, reometer is in series with the coil L1 in one and its formation loop, isolate mutual inductance with coil L1 and be provided with coil L2, coil L2 is in series with the coil L3 in one and its formation loop, isolate mutual inductance with coil L3 and be provided with coil L4, coil L4 one end is connected with rheostat R1 moving contact end by direct supply, and the coil L4 other end is connected with rheostat R1 mono-stiff end; Rheostat R1 moving contact is connected with traction rope by gear train.
Further, described traction rope one end is fixedly connected on a bull wheel, and part is wrapped on bull wheel, and bull wheel is connected with the load portion rotating and produce resistance; Rheostat R1 is multi-turn rheostat, and bull wheel drives with the rotation adjusting portion of rheostat R1 and is connected.
Further, the coefficient of self-induction of coil L1 is 1 Henry.
Further, the coefficient of self-induction of coil L1 is 0.5 Henry.
Further, the coefficient of self-induction of coil L1 is 0.1 Henry.
Further, the coefficient of self-induction of coil L2 is 1 Henry.
Further, the coefficient of self-induction of coil L2 is 0.5 Henry.
Further, the coefficient of self-induction of coil L2 is 0.1 Henry.
Further, the coefficient of self-induction of coil L3 is 1 Henry.
Further, the coefficient of self-induction of coil L3 is 0.5 Henry.
Further, the coefficient of self-induction of coil L3 is 0.1 Henry.
Further, the coefficient of self-induction of coil L4 is 1 Henry.
Further, the coefficient of self-induction of coil L4 is 0.5 Henry.
Further, the coefficient of self-induction of coil L4 is 0.1 Henry.
Further, described traction rope one end is connected with the outer end of a resistor disc rolled, and resistor disc the inner to be fixed on a mandrel and to be electrically connected with mandrel, is provided with a baffle plate near resistor disc volume, baffle plate is provided with the spacing hole coincide with resistor disc cross sectional shape, and resistor disc outer end is passed by spacing hole; Baffle plate is fixedly connected with a moving contact contacted with resistor disc one side, pull resistor disc to launch moving contact on resistor disc, form a contact trace, beyond resistor disc contact trace, position scribbles insulation course; Mandrel is connected on a support, and mandrel is connected with the load portion rotating and produce resistance, and mandrel is connected with coil L4 one end by conducting ring, and moving contact is connected with the coil L4 other end by direct supply.
Before the utility model uses in circuit, through the current constant of coil L4, coil L3 can not generate induction current, therefore coil L2 does not have electric current flows through, and coil L1 also can not have induction current to flow through, when rheostat R1 moving contact at the uniform velocity slides, electric current through coil L4 is linear change, and coil L3 can generate a constant induction current, therefore the electric current flowing through coil L2 is also constant, coil L1 immediate current of only inducting flows through, lasting electric current of can not inducting, when sliding when rheostat R1 moving contact acceleration, electric current through coil L4 is nonlinearities change, coil L3 can generate the induction current of a change, therefore the electric current flowing through coil L2 is also change, coil L1 responds to the lasting electric current of generation one, now can electric current be had to flow through by reometer, the beat of pointer, the speed of moving contact accelerated motion can be judged from its amplitude of fluctuation, and moving contact is by the action of people's pulling traction rope, amplitude of fluctuation can judge the acceleration capacity of personnel equally, especially the ability that can maintain even acceleration is passed judgment on, make thus and passing judgment on and selection, objective and fair.The utility model both can judge the size of acceleration, can also judge the degree of stability of acceleration.
Accompanying drawing explanation
Fig. 1 is the utility model electrical block diagram.
Fig. 2 is the utility model embodiment one structural representation.
Fig. 3 is the utility model embodiment two structural representation.
Number in the figure title: 1 traction rope; 2 bull wheels; 3 multi-turn rheostats; 4 rotate adjusting portion; 5 splined shafts; 6 resistor discs; 7 mandrels; 8 baffle plates; 9 spacing holes; 10 moving contacts; 11 contact traces; 12 supports; 13 conducting rings; 14 balancing weights.
Embodiment
As shown in Figure 1, 2, this electromagnetic type measuring instrument being used for human body or limb motion acceleration capacity is provided with reometer and rheostat R1 to the utility model embodiment one, and reometer is in series with the coil L1 in one and its formation loop,
Isolate mutual inductance with coil L1 and be provided with coil L2, the words means: be provided with the coil L2 that mutual inductance phenomenon occurs with coil L1.
Coil L2 is in series with the coil L3 in one and its formation loop, and the words means: coil L2 and coil L3 connects.
Isolate mutual inductance with coil L3 and be provided with coil L4, the words means: be provided with the coil L4 that mutual inductance phenomenon occurs with coil L3.
Coil L4 one end is connected with rheostat R1 moving contact end by direct supply, and the coil L4 other end is connected with rheostat R1 mono-stiff end; The preferred current limliting connection of rheostat R1.Current limliting connection is different from a point by crimping, and this is that those skilled in the art should know.
Rheostat R1 moving contact is connected with traction rope by gear train; The present embodiment gear train is mechanism of twisting rope, traction rope 1 one end is fixedly connected on a bull wheel 2, and part is wrapped on bull wheel, bull wheel is connected with the load portion rotating and produce resistance, this load portion can be balancing weight or frictional damping dish etc., pull bull wheel to rotate to traction rope and produce resistance, the present embodiment is balancing weight 14;
Rheostat R1 is multi-turn rheostat 3, rotates adjusting portion 4 and has multi-turn range of adjustment, meaning of the words: rheostat R1 is that the mode by rotating regulates resistance, and the rotatable number of turns is multi-turn.Such rheostat belongs to prior art.
Bull wheel drives with the rotation adjusting portion of rheostat R1 and is connected, and this driving connects and can directly connect by hard axle, and gear also can be adopted to connect or splined shaft connection, the present embodiment is that splined shaft 5 connects.
Before the utility model above-described embodiment uses, be constant through the electric current of coil L4 in circuit, coil L3 can not generate induction current, therefore coil L2 does not have electric current flows through, and coil L1 also can not have induction current to flow through;
When in rheostat R1 moving contact at the uniform velocity sliding process, the electric current through coil L4 is linear change, and coil L3 can generate a constant induction current, therefore the electric current flowing through coil L2 is also constant, and coil L1 can not induced current;
When rheostat R1 moving contact acceleration slides, electric current through coil L4 is nonlinearities change, coil L3 can generate the induction current of a change, therefore the electric current flowing through coil L2 is also change, coil L1 responds to the lasting electric current of generation one, now can electric current be had to flow through by reometer, the beat of pointer, the speed of moving contact accelerated motion can be judged from its amplitude of fluctuation, and moving contact is by the action of people's pulling traction rope, amplitude of fluctuation can judge the acceleration capacity of personnel equally, makes thus and passing judgment on and selection, objective and fair.Especially sportsman is passed judgment on to the hold facility of acceleration, such as the even time of accelerating to keep.
The utility model embodiment one as shown in Figure 1, 2, this electromagnetic type measuring instrument being used for human body or limb motion acceleration capacity is provided with reometer and rheostat R1, reometer is in series with the coil L1 in one and its formation loop, isolate mutual inductance with coil L1 and be provided with coil L2, coil L2 is in series with the coil L3 in one and its formation loop, isolate mutual inductance with coil L3 and be provided with coil L4, coil L4 one end is connected with rheostat R1 moving contact end by direct supply, and the coil L4 other end is connected with rheostat R1 mono-stiff end; Rheostat R1 moving contact is connected with traction rope by gear train; The present embodiment gear train is spring coiling mechanism, and traction rope 1 one end is connected with the outer end of a resistor disc rolled 6,
Resistor disc the inner to be fixed on a mandrel 7 and to be electrically connected with mandrel, and electrical connection is exactly the meaning of electric connection.
Be provided with a baffle plate 8 near resistor disc volume, baffle plate is provided with the spacing hole 9 coincide with resistor disc cross sectional shape, and resistor disc outer end is passed by spacing hole; Baffle plate is fixedly connected with a moving contact 10 contacted with resistor disc one side, pull resistor disc to launch moving contact on resistor disc, form a contact trace 11, beyond resistor disc contact trace, position scribbles insulation course; Mandrel is connected on a support 12, and mandrel is connected with the load portion rotating and produce resistance, and this load portion can be balancing weight or frictional damping dish etc., pulls bull wheel to rotate produce resistance to traction rope; Mandrel is connected with coil L4 one end by conducting ring 13, and moving contact is connected with the coil L4 other end by direct supply.The present embodiment can rheostat R1 be Wind spring structure, by traction rope Direct driver, more succinctly.
The scale of reometer can appraise and decide rear mark by different specified standards acceleration.
Be only the utility model preferred embodiment in sum, all equivalence modifications of doing according to the application and prior art are added and are all considered as the utility model technology category.
Claims (1)
1. the electromagnetic type measuring instrument for human body or limb motion acceleration capacity, it is characterized in that comprising reometer and rheostat R1, reometer is in series with the coil L1 in one and its formation loop, isolate mutual inductance with coil L1 and be provided with coil L2, coil L2 is in series with the coil L3 in one and its formation loop, isolate mutual inductance with coil L3 and be provided with coil L4, coil L4 one end is connected with rheostat R1 moving contact end by direct supply, and the coil L4 other end is connected with rheostat R1 mono-stiff end; Rheostat R1 moving contact is connected with traction rope by gear train, and the coefficient of self-induction of coil L1 is 1 Henry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536174.XU CN204807576U (en) | 2015-07-22 | 2015-07-22 | A electromagnetic type measuring apparatu for detecting human body or limbs motion acceleration capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536174.XU CN204807576U (en) | 2015-07-22 | 2015-07-22 | A electromagnetic type measuring apparatu for detecting human body or limbs motion acceleration capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204807576U true CN204807576U (en) | 2015-11-25 |
Family
ID=54592381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520536174.XU Expired - Fee Related CN204807576U (en) | 2015-07-22 | 2015-07-22 | A electromagnetic type measuring apparatu for detecting human body or limbs motion acceleration capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204807576U (en) |
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2015
- 2015-07-22 CN CN201520536174.XU patent/CN204807576U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |