CN214256090U

CN214256090U - Miniature press generator

Info

Publication number: CN214256090U
Application number: CN202120247191.7U
Authority: CN
Inventors: 穆雨丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-09-21
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a miniature pressing generator, including base, permanent magnet, coil, iron core, reset spring, pressing piece and magnetic conduction board, the coil is fixed to be connected on the base, the embedded iron core that is equipped with of coil, one end of pressing piece articulates on the base, the assembly of coil and iron core is located the front side of pressing piece articulated shaft, be provided with reset spring between pressing piece and the base, the permanent magnet is fixed on pressing piece, all install the magnetic conduction board on the N utmost point and the S utmost point of permanent magnet; when the pressing sheet is pressed and loosened, the end parts of the iron core are respectively abutted against the magnetic conduction plates on the N pole and the S pole of the permanent magnet. The utility model belongs to the technical field of the generator, the utility model aims to solve among the prior art microgenerator structure complicacy, the inconvenient problem of dismouting. The technical effects achieved are as follows: the micro generator can convert mechanical energy into electric energy from micro pressing action, and is simple in structure, convenient to operate and assemble.

Description

Miniature press generator

Technical Field

The utility model relates to a generator technical field, concretely relates to miniature generator of pressing.

Background

At present, the application of passive wireless technology has been greatly developed, the power supply of various low-power electronic products has been successfully separated from the limitation of batteries, batteries are not needed any more, and the self-power supply of the low-power electronic products can be realized by converting the mechanical energy of people operating the devices into electric energy. At present, a plurality of companies make corresponding technical research on the technology in the aspect at home and abroad, and related micro generators are also provided and applied to products such as self-generating wireless switches and self-generating wireless doorbells, but the micro generators have the problems of large volume, limited generated energy and low generating efficiency.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a miniature generator of pressing to solve the problem that miniature generator structure among the prior art is complicated, the generating efficiency is low.

In order to achieve the above object, the present invention provides the following technical solutions:

according to the utility model discloses a first aspect, a miniature press generator, including base, permanent magnet, coil, iron core, reset spring, pressing plate, magnetic conductive plate and iron sheet, the iron sheet is the U-shaped structure, the iron sheet is installed on the base, the coil is installed on the iron sheet, one end of iron core is passed the coil and is connected with the iron sheet, one end of pressing plate articulates on the base, the assembly of iron sheet, coil and iron core is located the front side of pressing plate articulated shaft, be provided with reset spring between pressing plate and the base, the permanent magnet is fixed on the pressing plate, all install magnetic conductive plate on the N utmost point of permanent magnet and the S utmost point; when the pressing sheet is pressed and loosened, the other end of the iron core is respectively abutted against the magnetic conduction plates on the N pole and the S pole of the permanent magnet.

Further, still include the support, the one end of support is articulated to be connected on the base, and the other end of support is fixed with the pressing piece, and the permanent magnet is fixed in the support and is close to the one end of pressing piece, is provided with reset spring between support and the base.

Further, still include the separation blade, the separation blade is installed on the iron sheet, and the separation blade is connected with the coil lock, and the jack has been seted up at the middle part of iron sheet, and the one end of iron core is passed the coil and is inserted and establish on the jack, and the middle part of separation blade is opened there is the perforation, and the other end of iron core passes the perforation and stretches into to between two magnetic conduction boards 7.

Further, the return spring is one of a torsion spring or a cylindrical spring.

Furthermore, the device also comprises a shaft, the base is provided with the shaft, and the bracket is rotationally connected with the shaft.

Further, still include the buckle, be provided with the buckle on the base, the iron sheet passes through the buckle joint on the base.

Further, still include the mount pad, be provided with the mount pad on the base, reset spring installs on the mount pad.

Furthermore, a groove is formed in the bracket, and the permanent magnet is installed in the groove.

Further, the buckle is the rubber buckle.

Furthermore, the coil also comprises two outgoing lines, wherein the two outgoing lines are arranged on the coil and respectively led out from two sides of the iron sheet.

The utility model has the advantages of as follows: a miniature pressing generator is composed of a base, a permanent magnet fixed to supporter, a pressing plate hinged to said base, a restoring spring between said base and pressing plate, and a coil and iron core combined together and arranged in front of said pressing plate, and the magnetic conducting plates on N and S poles of said permanent magnet and pressed downward by external force to make the end of iron core contact with one of said magnetic conducting plates, and a magnetic coil with a magnetic flux changing direction, generating induced electricity output electric energy; the iron sheet and the iron core are connected into a whole, so that magnetic flux forms a magnetic flux loop in the iron core and the iron sheet, the magnetic conduction efficiency is increased, and the power generation efficiency is improved; in addition, the micro generator is thin in size and can be used for manufacturing lighter and thinner products such as a self-generating wireless switch and a self-generating wireless doorbell.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is an exploded view of a miniature pressing generator according to some embodiments of the present invention.

Fig. 2 is an overall structural diagram of a miniature pressing generator according to some embodiments of the present invention.

Fig. 3 is a base structure diagram of a miniature pressing generator according to some embodiments of the present invention.

Fig. 4 is a structure diagram of a return spring of a miniature pressing generator according to some embodiments of the present invention.

In the figure: 1. the magnetic-conductive type iron core magnetic-field generating device comprises a base, 2, iron sheets, 3, coils, 4, an iron core, 5, a blocking sheet, 7, a magnetic-conductive plate, 8, a permanent magnet, 9, a support, 10, a pressing sheet, 11, a return spring, 12, a lead-out wire, 13, a groove, 16, a shaft, 17, a buckle, 18 and a mounting seat.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

As shown in fig. 1 to 4, the miniature pressing generator in the first embodiment of the present invention includes a base 1, a permanent magnet 8, a coil 3, an iron core 4, a return spring 11, a pressing piece 10, a magnetic conductive plate 7 and an iron sheet 2, wherein the iron sheet 2 is a U-shaped structure, the iron sheet 2 is installed on the base 1, the coil 3 is installed on the iron sheet 2, one end of the iron core 4 passes through the coil 3 and is connected with the iron sheet 2, one end of the pressing piece 10 is hinged on the base 1, a combination of the iron sheet 2, the coil 3 and the iron core 4 is located in front of a hinge shaft of the pressing piece 10, the return spring 11 is arranged between the pressing piece 10 and the base 1, the permanent magnet 8 is fixed on the pressing piece 10, and the magnetic conductive plate 7 is installed on both the N pole and the S pole of the permanent magnet 8; when the pressing sheet 10 is pressed and released, the other end of the iron core 4 abuts against the magnetic conductive plates 7 on the N pole and the S pole of the permanent magnet 8 respectively.

In the above embodiment, the iron core 4 is a soft iron core, the return spring 11 is a torsion spring or a compression spring, the pressing piece 10 is a metal piece, the magnetic conductive plate 7 is a soft iron piece, the coil 3 is a hollow self-adhesive coil, the wire diameter is between 0.05mm and 0.5mm, the iron core 4 is embedded in a central hole of the coil 3, and the permanent magnet 8 is a magnet or a magnet.

The technical effects achieved by the above embodiment are as follows: a miniature pressing generator, because the pressing plate 10 articulates on the base, the reset spring sets up between base and pressing plate 10, permanent magnet 8 is fixed on pressing plate 10, the assembly of coil 3 and iron core 4 still lies in the front side of pressing plate 10 and when pressing and unclamping pressing plate 10, the setting that the tip of iron core 4 butts on the magnetic conduction plate 7 on N utmost point and S utmost point of permanent magnet 8 respectively has realized, in operation, press pressing plate 10 through the external force, press permanent magnet 8 down, make the tip of iron core 4 and one of them magnetic conduction plate 7 on the permanent magnet 8 contact, when getting rid of external pressing force, reset spring pushes up permanent magnet 8 upwards, make permanent magnet 8 and another magnetic conduction plate 7 contact, the magnetic flux direction through iron core 4 has taken place the change of polarity in the process of iron core 4 switching to and fro, thus the magnetic flux direction through coil 3 changes, generating induced electricity output electric energy; the iron sheet 2 and the iron core 4 are connected into a whole, so that magnetic flux forms a magnetic flux loop in the iron core 4 and the iron sheet 2, the magnetic conduction efficiency is increased, and the power generation efficiency is improved; by the arrangement, the micro generator can convert mechanical energy into electric energy from micro pressing action, and is simple in structure, convenient to operate and assemble; in addition, the micro generator is thin in size and can be used for manufacturing lighter and thinner products such as a self-generating wireless switch and a self-generating wireless doorbell.

Optionally, as shown in fig. 1 to 2, in some embodiments, the apparatus further includes a bracket 9, one end of the bracket 9 is hinged to the base 1, the other end of the bracket 9 is fixed with a pressing sheet 10, the permanent magnet 8 is fixed at one end of the bracket 9 close to the pressing sheet 10, and a return spring 11 is disposed between the bracket 9 and the base 1.

The beneficial effects of the above alternative embodiment are: the arrangement of the bracket 9 provides a better motion mode by driving the permanent magnet 8 to reciprocate up and down by the pressing sheet 10.

In the above optional embodiment, it should be noted that the support 9 includes two long arms, a transverse plate and a connecting block, two ends of each long arm are respectively provided with one long arm, the middle part of the transverse plate is provided with the connecting block, the end part of each long arm is provided with a through hole, the connecting block is fixed with the pressing piece 10, the long block is provided with an installation groove, and the permanent magnet 8 is installed in the installation groove; through holes are formed in the magnetic conduction plates 7 and the support 9, the magnetic conduction plates 7 and the support 9 are fixedly connected through the through holes through bolts or through the through holes through rivets, and the permanent magnet 8 is clamped by the two magnetic conduction plates 7.

Optionally, as shown in fig. 1 to 2, in some embodiments, the magnetic flux concentrating.

The beneficial effects of the above alternative embodiment are: the baffle 5 can prevent the iron ring 3 from moving back and forth freely.

In the above-mentioned alternative embodiment, it should be noted that the shape of the iron core 4 is a convex shape, and a convex portion of the convex iron core 4 is inserted into a through hole formed in the iron sheet 2.

Alternatively, as shown in fig. 1 and 4, in some embodiments, the return spring 11 is one of a torsion spring or a cylindrical spring.

The beneficial effects of the above alternative embodiment are: the reset spring 11 adopts the setting of torsional spring to make this microgenerator press the during operation of pressing the pressing piece 10 more laborsaving.

In the above alternative embodiment, it should be noted that, when the return spring is a torsion spring, the torsion spring is one of a 90-degree torsion spring, a U-shaped torsion spring, or a 45-degree torsion spring.

Optionally, as shown in fig. 1 to 3, in some embodiments, the device further includes a shaft 16, the shaft 16 is mounted on the base 1, and the bracket 9 is rotatably connected to the shaft 16.

The beneficial effects of the above alternative embodiment are: the provision of the shaft 16 makes the rotation of the bracket 9 easier.

In the above alternative embodiment, it should be noted that a bearing is provided between the bracket 9 and the shaft 16.

Optionally, as shown in fig. 1 to fig. 3, in some embodiments, the iron sheet further includes a buckle 17, the buckle 17 is disposed on the base 1, and the iron sheet 2 is clipped on the base 1 through the buckle 17.

The beneficial effects of the above alternative embodiment are: the iron sheet 2 is stably fixed on the base 1 through the buckle 17, so that the coil 4 cannot move randomly.

In the above-mentioned alternative embodiment, it should be noted that the clip 17 is one of a rubber clip, a plastic clip or a metal clip.

Optionally, as shown in fig. 1 to 3, in some embodiments, the device further includes a mounting seat 18, the mounting seat 18 is disposed on the base 1, and the return spring 11 is mounted on the mounting seat 18.

The beneficial effects of the above alternative embodiment are: the provision of the mounting seat 18 makes the return spring 11 more reliable in operation.

In the above optional embodiment, it should be noted that the return spring 11 is a torsion spring, the mounting seat 18 is cylindrical, and a central hole of the torsion spring is sleeved on the mounting seat 18.

Alternatively, as shown in fig. 1, in some embodiments, the bracket 9 is provided with a slot 13, and the permanent magnet 8 is mounted in the slot 13.

The beneficial effects of the above alternative embodiment are: the arrangement of the groove 13 ensures that the permanent magnet 8 is directly placed in the groove 13 and then fixed during installation, positioning is not needed, and the installation difficulty is reduced.

In the above alternative embodiment, it should be noted that the shape and size of the slot 13 are the same as those of the permanent magnet 8, and if the permanent magnet 8 is rectangular parallelepiped, the slot 13 is also rectangular parallelepiped.

Optionally, in some embodiments, clip 17 is a rubber clip.

The beneficial effects of the above alternative embodiment are: the buckle 17 is a rubber buckle, so that the buckle 17 has good toughness when the iron sheet 2 is clamped and cannot be easily damaged.

In the above alternative embodiment, it should be noted that the clip 17 may also be a plastic clip or a metal clip.

Optionally, as shown in fig. 1 and fig. 2, in some embodiments, an outgoing line 12 is further included, two outgoing lines 12 are provided on the coil 3, and the two outgoing lines 12 are respectively led out from two sides of the iron sheet 2.

The beneficial effects of the above alternative embodiment are: the two outgoing lines 12 are the positive and negative electrodes of the output electricity of the generator, and provide a better connection mode for devices needing power supply.

In the above alternative embodiment, it should be noted that the length of the outgoing line 12 depends on the actual requirement.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Claims

1. A miniature pressing generator is characterized by comprising a base (1), a permanent magnet (8), a coil (3), an iron core (4), a reset spring (11), a pressing sheet (10), a magnetic conduction plate (7) and an iron sheet (2), wherein the iron sheet (2) is of a U-shaped structure, the iron sheet (2) is installed on the base (1), the coil (3) is installed on the iron sheet (2), one end of the iron core (4) penetrates through the coil (3) to be connected with the iron sheet (2), one end of the pressing sheet (10) is hinged on the base (1), a combined body of the iron sheet (2), the coil (3) and the iron core (4) is located on the front side of a hinged shaft of the pressing sheet (10), the reset spring (11) is arranged between the pressing sheet (10) and the base (1), the permanent magnet (8) is fixed on the pressing sheet (10), the N pole and the S pole of the permanent magnet (8) are both provided with the magnetic conductive plates (7); when the pressing sheet (10) is pressed and released, the other end of the iron core (4) is respectively abutted against the magnetic conduction plate (7) on the N pole and the S pole of the permanent magnet (8).

2. The miniature pressing generator according to claim 1, further comprising a bracket (9), wherein one end of the bracket (9) is hinged to the base (1), the pressing sheet (10) is fixed to the other end of the bracket (9), the permanent magnet (8) is fixed to one end of the bracket (9) close to the pressing sheet (10), and the return spring (11) is arranged between the bracket (9) and the base (1).

3. The miniature pressing generator according to claim 1, further comprising a baffle (5), wherein the baffle (5) is installed on the iron sheet (2), the baffle (5) is connected with the coil (3) in a buckling manner, a jack is formed in the middle of the iron sheet (2), one end of the iron core (4) penetrates through the coil (3) and is inserted into the jack, a through hole is formed in the middle of the baffle (5), and the other end of the iron core (4) penetrates through the through hole and extends into a space between the two magnetic conduction plates (7).

4. A miniature press generator as claimed in claim 1, wherein said return spring (11) is one of a torsion spring or a cylindrical spring.

5. A miniature press generator as claimed in claim 2, further comprising a shaft (16), said shaft (16) being mounted to said base (1), said bracket (9) being rotatably connected to said shaft (16).

6. The miniature pressing generator according to claim 1, further comprising a buckle (17), wherein the buckle (17) is disposed on the base (1), and the iron sheet (2) is clamped on the base (1) through the buckle (17).

7. A miniature press generator as claimed in claim 1, further comprising a mounting seat (18), said mounting seat (18) being provided on said base (1), said return spring (11) being mounted on said mounting seat (18).

8. A miniature press generator as claimed in claim 2, wherein said frame (9) is provided with a slot (13), said permanent magnet (8) being mounted in said slot (13).

9. A miniature press generator according to claim 6, wherein said snap (17) is a rubber snap.

10. The miniature pressing generator according to claim 1, further comprising two lead wires (12), wherein two lead wires (12) are arranged on the coil (3), and the two lead wires (12) are respectively led out from two sides of the iron sheet (2).