CN213815930U

CN213815930U - Switch mechanism with self-generating function

Info

Publication number: CN213815930U
Application number: CN202120104552.2U
Authority: CN
Inventors: 鲁文杰
Original assignee: Dongnan Electronics Co ltd
Current assignee: Dongnan Electronics Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-07-27
Anticipated expiration: 2031-01-14

Abstract

The utility model relates to a switching mechanism with from power generation function, include the base and install in the switch button of base, still include the iron core, the coil, first magnet and second magnet, the coil is fixed in base and both ends and connects respectively in the power, and the iron core passes the coil and along the coil axial displacement in the base, and first magnet and second magnet are located the both ends that the iron core removed the orbit respectively and are fixed in the base with the orientation that magnetism repels each other, and the switch button is the linkage cooperation with the iron core and first magnet and second magnet switch contact when the switch button operation. With the adoption of the scheme, the utility model provides an optimize the effect of electricity generation's on-off mechanism with from generating function.

Description

Switch mechanism with self-generating function

Technical Field

The utility model relates to a switching mechanism field, concretely relates to switching mechanism with from power generation function.

Background

The switch mechanism is a mechanism commonly used in various devices, and controls the start and stop of the device through manual pressing. Along with the reinforcing of people's environmental protection consciousness, developed the on-off mechanism from electricity generation, the effort that uses when utilizing the finger operation drives the iron core swing that is fixed with the coil, makes the iron core switch the different magnetic poles of contact magnet to produce the electric energy, however the voltage of the production of this kind of structure is not enough, influences the generating effect.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an optimize the on-off mechanism who has from generating function of generating electricity of generating effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: including the base and install in the switch button of base, its characterized in that: still include iron core, coil, first magnet and second magnet, the coil be fixed in base and both ends and connect respectively in the power, the iron core pass the coil and along coil axial displacement in the base, first magnet and second magnet be located the both ends of iron core removal orbit respectively and be fixed in the base with the orientation that magnetism repels, switch button and iron core be the linkage cooperation and iron core and first magnet and second magnet switch contact when switch button operates.

Through adopting above-mentioned technical scheme, on the one hand, the inboard magnetic field of first magnet and second magnet is repulsive, magnetic field distributes around the iron core and becomes certain angle with the iron core direction of motion, the iron core can produce the live electromotive force when moving between two magnets, by the electromagnetism principle, iron core self can produce a magnetic field, meanwhile, iron core and coil relative motion, make the coil produce the live electromotive force through this magnetic field, on the other hand, when the iron core contacts with first magnet or second magnet, its self magnetic field changes, the coil can produce the induced electromotive force when the magnetic field changes, consequently the voltage size that this mechanism produced comprises induced electromotive force and live electromotive force two parts, ensure that the voltage that the mechanism produced is enough big, realize better generating effect.

The utility model discloses further set up to: the switch button be the wane formula button, wane formula button both ends articulate in the base as operation end and middle part, wane formula button be close to two operation ends and be provided with the driving lever respectively, iron core and each driving lever correspond and be provided with protruding muscle, the operation end promote protruding muscle through the driving lever that corresponds when being pressed, make the iron core remove to the direction of keeping away from this operation end.

By adopting the technical scheme, the iron core is moved by the mode that the deflector rod at the operation end pushes the convex rib, the structure is simplified, and the operation is stable.

Drawings

FIG. 1 shows a first operating state of an embodiment of the present invention;

fig. 2 shows a second operating state of the embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-2, the present invention discloses a switch mechanism with self-generating function, which comprises a base 1 and a switch button mounted on the base 1, the base 1 is only illustrated, but not completely represented, the switch mechanism further comprises an iron core 3, a coil 4, a first magnet 5 and a second magnet 6, the coil 4 is fixed on the base 1, two ends of the coil are respectively connected to a power supply, the iron core 3 passes through the coil 4 and axially moves on the base 1 along the coil 4, the iron core 3 and the coil 4 are in conductive fit, the first magnet 5 and the second magnet 6 are respectively located at two ends of the moving track of the iron core 3 and fixed on the base 1 in a direction of magnetic repulsion, the switch button and the iron core 3 are in linkage fit and the iron core 3 is in switching contact with the first magnet 5 and the second magnet 6 when the switch button is operated, on the one hand, the inner side magnetic fields of the first magnet 5 and the second magnet 6 repel each other, the magnetic fields are distributed around the iron core 3 and form a certain angle with the moving direction of the iron core 3, the iron core 3 can generate motional electromotive force when moving, by the electromagnetism principle, the iron core itself can produce a magnetic field, meanwhile, the iron core 3 and the coil 4 move relatively, make the coil 4 generate motional electromotive force through the magnetic field, on the other hand, when the iron core 3 contacts with the first magnet 5 or the second magnet 6, the magnetic field of the iron core itself changes, the coil 4 can generate induced electromotive force when the magnetic field changes, therefore, the voltage size that the mechanism produces is composed of induced electromotive force and motional electromotive force, ensure that the voltage that the mechanism produces is big enough, realize better generating effect.

The voltage is composed of an induced electromotive force and a motional electromotive force, and the voltage generated by the mechanism is ensured to be large enough, specifically shown in formula (1):

ε＝ε₁+ε₂ (1)

wherein epsilon₁The electromagnetic induction device is induced electromotive force which is generated by the change of a magnetic field in the actuating process of a mechanism; epsilon₂It is referred to as electromotive force generated by the magnetic field cut by the iron core 3 during the mechanism operation.

Induced electromotive force epsilon generated by mechanism₁The size is as shown in formula (2):

where n is the number of turns of the coil 44, Δ φ is the amount of change in the magnetic field during actuation of the mechanism, and Δ t is the actuation time of the mechanism.

When the first magnet 5 and the second magnet 6 are installed, the inner magnetic fields repel each other, the magnetic fields are distributed around the iron core 3 and form a certain angle with the moving direction of the iron core 3, and the dynamic electromotive force epsilon generated by the mechanism₂The size is as shown in formula (3):

ε₂＝BLV sinφ (3)

wherein B is the size of the magnetic field in the mechanism, L is the length of a conductor for cutting a magnetic induction line in the actuating process of the mechanism, V is the movement speed of the iron core 3 in the mechanism, and phi is the angle between the movement speed of the iron core 3 and the magnetic field.

Through tests, in a 86-panel switch, a group of magnet groups consisting of 3 rectangular magnets 40x12x4mm are respectively placed at two ends, the size of an iron core 3 is 50x20x5mm, and the number of turns of a coil 4 is 1000, the voltage generated by a switching mechanism with a traditional structure is 300mV, the voltage generated by the switching mechanism is 400mV, and the total voltage value of the two voltages has obvious difference.

The switch button is rocker button 2, rocker button both ends articulate in base 1 as operation end 21 and middle part, rocker button 2 is close to two operation ends 21 and is provided with driving lever 22 respectively, iron core 3 corresponds with each driving lever 22 and is provided with protruding muscle 31, operation end 21 promotes protruding muscle 31 through the driving lever 22 that corresponds when being pressed, make the iron core remove to the direction of keeping away from this operation end, the driving lever 22 by the operation end promotes the mode of protruding muscle 31, make iron core 3 remove, the structure is simplified, the operation is stable.

As shown in fig. 1, when the operation end 21 on the left side of the rocker button 2 is pressed, the shift lever 22 on the left side presses the rib 31 on the left side of the iron core 3, so that the iron core 3 moves to the right until contacting with the second magnet 6; as shown in fig. 2, when the right operating end 21 of the rocker button 2 is pressed, the right lever 22 presses the rib 31 on the right side of the iron core 3, so that the iron core 3 moves to the left until it contacts the first magnet 5.

Claims

1. The utility model provides a switch mechanism with from power generation function, includes the base and installs in the switch button of base, its characterized in that: still include iron core, coil, first magnet and second magnet, the coil be fixed in base and both ends and connect respectively in the power, the iron core pass the coil and along coil axial displacement in the base, first magnet and second magnet be located the both ends of iron core removal orbit respectively and be fixed in the base with the orientation that magnetism repels, switch button and iron core be the linkage cooperation and iron core and first magnet and second magnet switch contact when switch button operates.

2. The switching mechanism having a self-generating function according to claim 1, wherein: the switch button be the wane formula button, wane formula button both ends articulate in the base as operation end and middle part, wane formula button be close to two operation ends and be provided with the driving lever respectively, iron core and each driving lever correspond and be provided with protruding muscle, the operation end promote protruding muscle through the driving lever that corresponds when being pressed, make the iron core remove to the direction of keeping away from this operation end.