CN213367606U

CN213367606U - Power generation structure and door magnetic switch

Info

Publication number: CN213367606U
Application number: CN202021918597.5U
Authority: CN
Inventors: 李春光
Original assignee: Changzhou Institute of Technology
Current assignee: Changzhou Institute of Technology
Priority date: 2020-09-05
Filing date: 2020-09-05
Publication date: 2021-06-04
Anticipated expiration: 2030-09-05

Abstract

The utility model relates to the field of switch technology, concretely relates to power generation structure, including soft magnetic plate, coil and soft magnetic frame, soft magnetic plate is configured to rotatable installation, the coil centers on soft magnetic plate sets up, soft magnetic frame includes fixed part and kink, the first end of fixed part is equipped with first permanent magnet, the second end of fixed part is equipped with the second permanent magnet, be equipped with the appearance on the kink soft magnetic plate pivoted dodges the mouth, be connected with first magnetic conductive plate on the first permanent magnet, first magnetic conductive plate is formed with first contact site through buckling, first contact site is in one side of soft magnetic plate, be connected with second magnetic conductive plate on the second permanent magnet, second magnetic conductive plate is formed with second contact site after buckling, the second contact site is in one side in addition of soft magnetic plate. The utility model also provides a door magnetic switch, it includes foretell electricity generation structure. Convenient to use, and compact structure, the generating efficiency is high simultaneously, and induced-current is big.

Description

Power generation structure and door magnetic switch

Technical Field

The utility model relates to the technical field of switches, concretely relates to electricity generation structure and door magnetic switch.

Background

With the continuous development of electronic technology, wireless technology plays an increasingly important role in intellectualization, wireless switches for controlling household appliances by using wireless technology appear at present, the existing wireless switches can be divided into battery type wireless switches and self-generating type wireless switches, and the use of the wireless switches is greatly convenient for the daily life of people.

However, the conventional wireless switch has the following problems:

1. the battery type wireless switch needs to be provided with a rechargeable battery, the battery needs to be taken out frequently for charging because the switch is in a wireless connection state, and the user forgets to charge frequently, so that the power failure is judged by mistake during use, and the use is inconvenient;

2. the existing self-generating wireless switch has the disadvantages of complex magnetic circuit of a self-generating device, inconvenient manufacturing and high manufacturing cost;

3. the existing self-generating device in the self-generating wireless switch is complex in structure, large in occupied space and inconvenient to integrate and process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an adopt battery-operated wireless switch among the solution prior art, use inconvenient technical problem, propose a power generation structure, can be from the electricity generation, need not to install battery, convenient to use.

The technical scheme of the utility model:

a power generation structure comprising:

a soft magnetic plate configured to be rotatably mounted;

a coil disposed around the soft magnetic plate;

the soft magnetic frame comprises a fixed part and a bent part, a first permanent magnet is arranged at the first end of the fixed part, a second permanent magnet is arranged at the second end of the fixed part, and an avoidance port for accommodating the rotation of the soft magnetic plate is arranged on the bent part;

the first permanent magnet is connected with a first magnetic conduction plate, the first magnetic conduction plate is bent to form a first contact part, and the first contact part is positioned on one side of the soft magnetic plate;

the second permanent magnet is connected with a second magnetic conduction plate, the second magnetic conduction plate is bent to form a second contact part, and the second contact part is positioned on the other side of the soft magnetic plate;

in an initial state, two ends of the soft magnetic plate form a first closed magnetic circuit through the first contact part, the first permanent magnet and the soft magnetic frame, when the soft magnetic plate rotates, two ends of the soft magnetic plate form a second closed magnetic circuit through the second contact part, the second permanent magnet and the soft magnetic frame, and the direction of a magnetic induction line passing through the soft magnetic plate in the first closed magnetic circuit is opposite to the direction of a magnetic induction line passing through the soft magnetic plate in the second closed magnetic circuit.

The utility model discloses a power generation structure, under initial condition, soft magnetic plate stillness, the line quantity is felt unchangeably through the magnetism of soft magnetic plate, and magnetic field does not change, just can not respond to the electric current in the coil, and when soft magnetic plate rotated, the line quantity is felt through the magnetism of soft magnetic plate changes, and the line is felt to the magnetism from having to having, has produced the magnetic field that changes again, just so can begin to produce the electric current in the coil, the utility model discloses convert the mechanical energy of soft magnetic plate into the electric energy, realize the electricity generation.

Furthermore, the soft magnetic frame is an L-shaped soft magnetic frame, a vertical portion of the L-shaped soft magnetic frame is formed into the fixing portion, a transverse straight portion of the L-shaped soft magnetic frame is formed into the bending portion, a first surface of the fixing portion is located on one side of the soft magnetic plate, and a second surface of the fixing portion is provided with the first permanent magnet and the second permanent magnet. The utility model discloses set soft magnetic frame to L shape, dispose first permanent magnet and second permanent magnet in the same face of the vertical portion of L shape soft magnetic frame, compare in the mode of disposing first permanent magnet and second permanent magnet respectively in the both sides of vertical portion or in the both sides of soft magnetic plate, reduced the size of whole electricity generation structure in the horizontal and straight direction for the structure is compacter.

Further, a middle portion of the soft magnetic plate is configured as a rotation fulcrum, at least a portion of one end of the soft magnetic plate passes through the escape opening to form an operation end, and the other end of the soft magnetic plate is formed as a free end. Therefore, the operation end of the soft magnetic plate can be pressed and the like, so that the soft magnetic plate rotates around the rotating fulcrum, and mechanical energy is provided.

Further, the first magnetic conduction plate extends along the length direction of the fixing portion and protrudes from the end portion of the fixing portion, and then extends towards the soft magnetic plate to form the first contact portion.

Further, the second magnetic conduction plate extends along the width direction of the fixing portion and then bends towards the soft magnetic plate to form a C-shaped bending section, one end of the C-shaped bending section extends along the length direction of the fixing portion and is parallel to the first surface of the fixing portion, and the extending end bends at a position opposite to the first contact portion to form a second contact portion.

The utility model discloses carry out the second magnetic conduction board and buckle the back many times and form the second contact site in one side in addition of soft magnetic plate, compare in buckle the size that has saved the horizontal and straight direction of whole power generation structure in the outside of first magnetic conduction board, overall structure is compacter.

Further, the operation end is connected with the bolster, the utility model discloses set up the bolster and can promote to press down and feel.

The utility model discloses an on the other hand provides a door magnetic switch, include:

the shell is arranged in the carrier, the power generation structure and the driving plate are integrated in the shell, the driving plate is configured to be installed in a rotating mode, and the driving plate is used for driving the soft magnetic plate to deflect;

the door plate is hinged to the carrier and located on one side of the driving plate, and the door plate drives the driving plate to deflect by means of a magnetic assembly. Like this when the door plant is closed, alright deflect through magnetic component drive plate, and drive plate drive soft magnetic plate rotates, produces the magnetic field of change after, just can respond to the electric current in the coil, the utility model discloses mechanical energy when rotating the door plant converts the electric energy into, and when the door plant was opened or was closed, the electricity generation structure just generated electricity, need not the artificial soft magnetic plate of pressing once more.

Furthermore, the driving plate is an L-shaped driving plate, a first section of the L-shaped driving plate is parallel to a first surface of the fixing portion of the soft magnetic frame, a second section of the L-shaped driving plate extends towards the soft magnetic plate, a driving end is formed at the end of the second section, and the driving end drives the soft magnetic plate to deflect.

Optionally, the magnetic assembly includes at least one third permanent magnet disposed at the first end of the first segment of the driving plate, and the magnetism of a face of the third permanent magnet close to the door panel is the same as that of the door panel.

Optionally, the magnetic assembly comprises at least one fourth permanent magnet disposed at the second end of the first segment of the drive plate, the fourth permanent magnet and the door panel being attracted to each other. The utility model discloses a set up magnetic component to utilize the principle that like poles repel each other opposite poles attract to realize the drive of door plant to the drive plate.

After the technical scheme is adopted, compared with the prior art, the utility model, have following beneficial effect:

(1) the utility model discloses a power generation structure, under initial condition, soft magnetic plate motionless, the magnetic induction line quantity through soft magnetic plate is unchangeable, and magnetic field does not change, just can not induce out the electric current in the coil, and after soft magnetic plate rotated, the magnetic induction line quantity through soft magnetic plate changed, and magnetic induction line from having to having again, produced the magnetic field of change, so just can begin to produce the electric current in the coil, the utility model discloses convert the mechanical energy of soft magnetic plate into the electric energy, realize the electricity generation, convenient to use, and magnetic circuit is simple, and convenient to manufacture is with low costs; meanwhile, the magnetic circuit is formed into a closed magnetic circuit, so that the conversion efficiency of converting mechanical energy into electric energy is high, the power generation efficiency of the whole power generation structure is high, and the induced current is large; when the power generation structure of the embodiment is applied to the wireless switch, self power generation can be realized, a battery does not need to be installed, and the power generation structure is simple in magnetic circuit, convenient to manufacture and low in cost;

(2) the utility model discloses set soft magnetic frame to L shape, dispose first permanent magnet and second permanent magnet in the same face of the vertical portion of L shape, compare in the mode of disposing first permanent magnet and second permanent magnet respectively in the two sides of vertical portion or in the both sides of soft magnetic plate, reduced the size of whole electricity generation structure in the horizontal and straight direction for the structure is compacter. In practical application, the transverse direction of the power generation structure of the embodiment is equivalent to the thickness direction of the wireless switch, the wireless switch needs to be designed to be thinner and thinner at present, and the size of the transverse direction of the embodiment is set to be smaller, so that the thickness of the switch in practical application is thinner, and the design requirement is better met.

Drawings

Fig. 1 is a schematic structural view of a power generation structure in an initial state according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a power generation structure after a soft magnetic plate rotates according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of another embodiment of a power generation structure according to a first embodiment of the present invention;

fig. 4 is a cross-sectional view of a coil support according to a first embodiment of the present invention;

fig. 5 is a schematic structural view of a door magnet switch according to a second embodiment of the present invention;

fig. 6 is an exploded view of a second embodiment of the present invention, showing a door switch at a first viewing angle;

fig. 7 is an exploded view of a second door magnetic switch according to a second embodiment of the present invention;

fig. 8 is a schematic view of an installation position of a fixing rod according to a second embodiment of the present invention;

fig. 9 is a schematic structural view of a second embodiment of the present invention in an initial state;

fig. 10 is a schematic structural diagram of a door magnetic switch according to a second embodiment of the present invention after the soft magnetic plate is rotated;

fig. 11 is a schematic structural view of a third door magnetic switch according to the present invention;

fig. 12 is a schematic structural diagram of a door magnet switch according to a fourth embodiment of the present invention.

Wherein,

the soft magnetic plate 1, the operation end 11, the elastic element 12, the buffer element 13 and the fixing plate 14;

a coil 2, a coil support 21, a winding slot 211, a support part 212, a fixing rod 22;

the soft magnetic frame 3, the fixing part 31, the first permanent magnet 311, the first magnetic conductive plate 312, the first contact portion 3121, the second permanent magnet 313, the second magnetic conductive plate 314, the second contact portion 3141, the C-shaped bent section 3142, the extending end 3143, the bent portion 32, the avoiding opening 321, the first avoiding surface 3211, and the second avoiding surface 3212;

the shell 4, the driving plate 41, the driving end 411, the third permanent magnet 42, the fourth permanent magnet 43 and the rotating shaft 44;

a door panel 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The first embodiment is as follows:

as shown in fig. 1-2, the power generation structure of the present embodiment includes a soft magnetic plate 1 and a coil 2 disposed around the soft magnetic plate 1, wherein the soft magnetic plate 1 is configured to be rotatably mounted and the coil 2 is configured to be fixedly mounted. The power generation structure of the embodiment further comprises a soft magnetic frame 3, the soft magnetic frame 3 comprises a fixing part 31 and a bending part 32 which is bent from the fixing part 31 to the soft magnetic plate 1, the fixing part 31 is fixedly arranged on one side of the soft magnetic plate 1 and one side of the coil 2, a first permanent magnet 311 is arranged at a first end of the fixing part 31, a second permanent magnet 313 is arranged at a second end of the fixing part 31, the first permanent magnet 311 and the second permanent magnet 313 can be adsorbed on the fixing part 31 through self magnetism, and can also be fixed with the fixing part 31 through modes of screwing, bonding and the like; the bent portion 32 is located at the bottom of the coil 2, and the bent portion 32 is provided with a relief opening 321 for allowing the soft magnetic plate 1 to rotate.

Further, in this embodiment, the first permanent magnet 311 is connected to a first magnetic conductive plate 312, and the second permanent magnet 313 is connected to a second magnetic conductive plate 314, wherein the first magnetic conductive plate 312 is bent to form a first contact portion 3121, and the first contact portion 3121 is located on one side of the soft magnetic plate 1; the second permanent magnet 313 is connected with a second magnetic conductive plate 314, the second magnetic conductive plate 314 is bent to form a second contact portion 3141, and the second contact portion 3141 is located on the other side of the soft magnetic plate 1.

Further, the first contact portion 3121 and the second contact portion 3141 are provided with opposite magnetism in the present embodiment, specifically, as shown in fig. 1-2, the first permanent magnet 311 of the present embodiment has an N pole on the inner side and an S pole on the outer side, and the second permanent magnet 313 has an S pole on the inner side and an N pole on the outer side, so that the first contact portion 3121 corresponds to an S pole and the second contact portion 3141 corresponds to an N pole, and the two are opposite magnetism.

In an initial state, as shown in fig. 1, the upper end of the soft magnetic plate 1 is in contact with the first contact portion 3121, the lower end is in contact with the avoiding opening 321, a magnetic field direction passes through the soft magnetic frame 3 from the inner side of the first permanent magnet 311, then passes through the soft magnetic plate 1 from bottom to top, and finally returns to the outer side of the first permanent magnet 311 from the first contact portion 3121 to form a first closed magnetic circuit; after the soft magnetic plate 1 rotates, as shown in fig. 2, the upper end of the soft magnetic plate 1 contacts with the second contact portion 3141, and the lower end contacts with the avoiding opening 321, the magnetic field direction passes through the second magnetic conduction plate 314 from the outer side of the second permanent magnet 313, then passes through the soft magnetic plate 1 from top to bottom, and finally returns to the inner side of the second permanent magnet 313 from the soft magnetic plate 1 to form a second closed magnetic circuit, wherein the direction of the magnetic induction line passing through the soft magnetic plate 1 in the first closed magnetic circuit is opposite to the direction of the magnetic induction line passing through the soft magnetic plate 1 in the second closed magnetic circuit. After the soft magnetic plate 1 rotates, the direction of a magnetic field in the soft magnetic plate 1 changes, magnetic induction lines in the soft magnetic plate 1 are changed from the existence to the nonexistence, induced current is generated in the coil 2, mechanical energy generated by rotation of the soft magnetic plate 1 is converted into electric energy, electricity generation can be achieved, and due to the fact that a closed magnetic circuit is formed, conversion efficiency of the mechanical energy into the electric energy is high, and therefore the whole electricity generation structure is high in electricity generation efficiency and large in induced current.

Of course, the first contact portion 3121 may be configured as an N pole, and the second contact portion 3141 may be configured as an S pole, as shown in fig. 3, in another embodiment of the present embodiment, the inner side of the first permanent magnet 311 is the S pole, the outer side is the N pole, and the inner side of the second permanent magnet 313 is the N pole, and the outer side is the S pole.

As can be seen from the above, in the power generation structure of the present embodiment, in the initial state, the soft magnetic plate 1 is still, the number of magnetic induction lines passing through the soft magnetic plate 1 is not changed, the magnetic field is not changed, and no current is induced in the coil 2, and after the soft magnetic plate 1 rotates, the number of magnetic induction lines passing through the soft magnetic plate 1 is changed, and the magnetic induction lines are changed from the presence to the absence, so that a changed magnetic field is generated, and then the current starts to be generated in the coil 2, so that the present embodiment converts the mechanical energy of the soft magnetic plate 1 into the electric energy, thereby realizing the power generation and being convenient to use. When the power generation structure of this embodiment is used on wireless switch, can realize from the electricity generation, need not to install the battery, and the magnetic circuit is simple moreover, and it is convenient, with low costs to make.

As shown in fig. 1-2, the soft magnetic frame 3 of the present embodiment is an L-shaped soft magnetic frame, the vertical portion of the L-shaped soft magnetic frame is formed as the fixing portion 31, the horizontal straight portion of the L-shaped soft magnetic frame is formed as the bent portion 32, the first surface of the fixing portion 31, i.e., the inner side surface, is located on one side of the soft magnetic plate 1, and the first permanent magnet 311 and the second permanent magnet 313 are disposed on the second surface of the fixing portion 31, i.e., the outer side surface, although in other embodiments, the first permanent magnet 311 and the second permanent magnet 313 may be disposed on the inner side surface. In the embodiment, the soft magnetic frame 3 is set to be L-shaped, the first permanent magnet 311 and the second permanent magnet 313 are arranged on the same surface of the vertical part of the L-shaped structure, and compared with a mode that the first permanent magnet 311 and the second permanent magnet 313 are respectively arranged on two surfaces of the vertical part or two sides of the soft magnetic plate 1, the size of the whole power generation structure in the transverse and vertical direction is reduced, so that the structure is more compact. In practical application, the transverse direction of the power generation structure of the embodiment is equivalent to the thickness direction of the wireless switch, the wireless switch needs to be designed to be thinner and thinner at present, and the size of the transverse direction of the embodiment is set to be smaller, so that the thickness of the switch in practical application is thinner, and the design requirement is better met.

Further, the middle portion of the soft magnetic plate 1 of the present embodiment is configured as a rotation fulcrum, at least a part of one end of the soft magnetic plate 1 passes through the escape opening 321 to form the operation end 11, and the other end of the soft magnetic plate 1 is formed as a free end. Thus, the operation end 11 of the soft magnetic plate 1 can be pressed and the like to enable the soft magnetic plate 1 to rotate around the rotation fulcrum, and mechanical energy is provided.

Further, the first magnetic conductive plate 312 extends along the length direction of the fixing portion 31 and protrudes from the end of the fixing portion 31, and then extends toward the soft magnetic plate 1 to form the first contact portion 3121; the second magnetic conductive plate 314 extends along the width direction of the fixing portion 31 and then bends toward the soft magnetic plate 1 to form a C-shaped bending section 3142, one end of the C-shaped bending section 3142 extends upward along the length direction of the fixing portion 31 and is parallel to the first surface of the fixing portion 31, and extends to form an extending end 3143, and the extending end 3143 bends at a position opposite to the first contact portion 3121 to form a second contact portion 3141. In this embodiment, the second magnetic conducting plate 314 is bent for multiple times to form the second contact portion 3141 on the other side of the soft magnetic plate 1, which saves the size of the whole power generation structure in the transverse direction compared with the case where the second magnetic conducting plate is bent on the left side of the first magnetic conducting plate 312, so that the whole power generation structure is more compact.

As shown in fig. 1-2, the power generation structure of the present embodiment further includes a coil support 21, the coil support 21 is configured to be fixedly installed, the soft magnetic plate 1 is disposed inside the coil support 21, a winding slot 211 is disposed outside the coil support 21, and the coil 2 is wound on the winding slot 211, such that the coil 2 is configured to be fixedly installed.

As shown in fig. 4, two support portions 212 are symmetrically disposed at the center position of the inner wall of the coil support 21 of the present embodiment, and the two support portions 212 support the soft magnetic plate 1 so that the soft magnetic plate 1 can rotate around the support portions 212, and at the same time, the soft magnetic plate 1 can be clamped to prevent it from falling.

Preferably, in the vertical direction, the distance between the first end of the coil bracket 21 and the first magnetic conducting plate 312 is equal to the distance between the second end of the coil bracket 21 and the bending portion 32 of the soft magnetic frame 3; further, the avoiding opening 321 of the soft magnetic frame 3 of the embodiment includes a first avoiding surface 3211 and a second avoiding surface 3212, the first avoiding surface 3211 is located on one side of the soft magnetic plate 1, the second avoiding surface 3212 is located on the other side of the soft magnetic plate 1, and a distance between the first contact portion 3121 and the second contact portion 3141 is equal to a distance between the first avoiding surface 3211 and the second avoiding surface 3212, so that when the soft magnetic plate 1 rotates, the soft magnetic plate can simultaneously contact the first contact portion 3121 and the second avoiding surface 3212 to form a first closed magnetic circuit, or simultaneously contact the second contact portion 3141 and the first avoiding surface 3211 to form a second closed magnetic circuit.

Further, as shown in fig. 1, the operation end 11 of the soft magnetic plate 1 of the present embodiment is provided with a buffer member 13, the buffer member 13 is a T-shaped metal sheet, and when operating, the T-shaped metal sheet is pressed first, the T-shaped metal sheet is deformed and buffered first, and then the soft magnetic plate 1 starts to rotate, so that the feeling of pressing can be increased. Further, the power generation structure of the present embodiment further includes a fixed plate 14 configured to be fixedly installed, the fixed plate 14 having a resilient member 12 fixed thereon, the resilient member 12 may be a return spring, one end of the resilient member 12 is fixed to the fixed plate 14, the other end of the resilient member 12 is in contact with the buffer member 13, and the resilient member 12 is used to provide a return force for returning the soft magnetic plate 1.

In conclusion, the power generation structure provided by the embodiment has the advantages of compact structure, small occupied space, convenience for integration into a module, high power generation efficiency and large induced current.

Example two:

as shown in fig. 5 to 7, the door magnetic switch of the present embodiment includes a housing 4 built in a carrier, which may be a refrigerator or a door frame, etc., the housing 4 is integrated with a power generating structure of the first embodiment and a driving plate 41, the driving plate 41 is configured to be rotatably mounted, the driving plate 41 is used for driving the soft magnetic plate 1 to deflect, specifically, as shown in fig. 8, the coil support 21 in the power generating structure is fixedly connected to the housing 4 by the fixing rod 22, the soft magnetic frame 3 is also fixedly connected directly to the housing 4, the driving plate 41 is an L-shaped driving plate, and in an initial state, the first section of the L-shaped driving plate is parallel to the first surface of the fixing part 31 of the soft magnetic frame 3, the middle part of the first section of the L-shaped driving plate is hinged with a rotating shaft 44, so that the driving plate 41 is rotatable about the rotation axis 44, the L-shaped driving plate has a second section extending towards the soft-magnetic plate 1, the end of the second section being formed as a driving end 411, the driving end 411 driving the deflection of the soft-magnetic plate 1 through the buffer 13.

Further, the door magnetic switch of the present embodiment further includes a door panel 5, the door panel 5 may be hinged on the carrier, and the door panel 5 is located on one side of the driving plate 41, and the door panel 5 drives the driving plate 41 to deflect by means of a magnetic component. Specifically, the magnetic assembly of the present embodiment includes at least one third permanent magnet 42, the third permanent magnet 42 is disposed at the first end of the first section of the driving plate 41, and the magnetism of a surface of the third permanent magnet 42 close to the door panel 5 is the same as that of the door panel 5, as shown in fig. 5, the left end of the third permanent magnet 42 is an S pole, the right end is an N pole, and the left end of the door panel 5 is an N pole, so that the right end of the third permanent magnet 42 is the same as that of the door panel 5, and the third permanent magnet 42 and the door panel 5 repel each other due to the same polarities. Of course, in other embodiments, the left end of the third permanent magnet 42 may be an N pole, the right end may be an S pole, and the left end of the door panel 5 may be an S pole.

Thus, when the door panel 5 of the present embodiment is closed toward the third permanent magnet, the driving plate 41 is driven by the third permanent magnet to deflect clockwise, the driving plate 41 drives the soft magnetic plate 1 to rotate, and after a changing magnetic field is generated, a current is induced in the coil 2; when the door panel 5 of the present embodiment is opened away from the third permanent magnet, the elastic element 12 can push the soft magnetic plate 1 to rotate counterclockwise for resetting, and the soft magnetic plate 1 simultaneously pushes the driving plate 41 to rotate counterclockwise for resetting through the buffer element 13, so that a changing magnetic field is generated, and a current is induced in the coil 2.

In a practical application scenario, the carrier can be a refrigerator, the refrigerator is internally embedded with the shell 4, and the door plate 5 can be a refrigerator door, so that when the refrigerator door is opened, the door magnetic switch is changed from the state shown in fig. 10 to the state shown in fig. 9, the coil 2 generates current to give a door opening feedback signal to the controller, and the controller controls the lamp in the refrigerator to be on; when the refrigerator door is closed, the door magnetic switch returns to the state shown in fig. 10 from the state shown in fig. 9, the coil 2 also generates current, a door closing feedback signal is given to the controller, and the controller controls the lamp in the refrigerator to be turned off.

In another practical application scenario, the carrier may be a door frame, and the door panel 5 may be a security door cooperating with the door frame, so that when the door is opened, the door magnetic switch is changed from the state shown in fig. 10 to the state shown in fig. 9, the coil 2 generates current, the wire outlet end of the coil 2 may be connected to the wireless module, the wireless module transmits a door opening signal to the controller, and the controller controls the lighting of the house lamp; when the door is closed, the door magnetic switch returns to the state shown in fig. 10 from the state shown in fig. 9, the coil 2 also generates current to give a door closing signal to the controller, and the controller controls the indoor lamp to be turned off to realize the automatic on-off of the indoor lamp, wherein the indoor lamp is used for temporary illumination when the door is opened or closed at night.

In another practical application scenario, the carrier may be a door frame, the door panel 5 may be a security door cooperating with the door frame, and the user may set the security mode after going out of the door, so that once the door is opened, the door magnetic switch changes from the state shown in fig. 10 to the state shown in fig. 9, the coil 2 generates current, the wire outlet end of the coil 2 may be connected to the wireless module, the wireless module transmits a door opening signal to the controller, the controller controls the alarm to alarm, and meanwhile, the alarm signal may be sent to the mobile phone of the user through the network. Of course, the door magnetic switch of the embodiment can also be applied to a safe or a drawer.

It can be known from the above that, in this embodiment, the mechanical energy generated by the rotation of the door panel 5 is converted into the electric energy, and when the door panel 5 is opened or closed, the power generation structure can generate power and provide a control signal to the controller, and the manual re-operation is not needed, so that the linkage of opening the door and turning on the light or alarming is realized.

Example three:

as shown in fig. 11, the door magnetic switch of the present embodiment is different from the second embodiment in that the magnetic assembly of the present embodiment includes at least one fourth permanent magnet 43 instead of the third permanent magnet 42 of the second embodiment, the fourth permanent magnet 43 is disposed at the second end of the first segment of the driving plate 41, the fourth permanent magnet 43 and the door panel 5 are attracted to each other, specifically, as shown in fig. 11, the left end of the fourth permanent magnet 43 is N-pole, the right end is S-pole, and the left end of the door panel 5 is N-pole, or the door panel 5 is a metal plate without magnetism as a whole, so that the right end of the fourth permanent magnet 43 has magnetism different from that of the left end of the door panel 5, and due to opposite attraction, the third permanent magnet 42 and the door panel 5 are attracted to each other, when the door panel 5 is closed, the soft magnetic plate 1 is also rotated clockwise.

Example four:

as shown in fig. 12, the door magnetic switch of the present embodiment is different from the second and third embodiments in that the magnetic assembly of the present embodiment includes a third permanent magnet 42 and a fourth permanent magnet 43, and the third permanent magnet 42 and the fourth permanent magnet 43 are configured to drive the soft magnetic plate 1 to rotate at the same time, so that when the door panel 5 is closed, the soft magnetic plate 1 is driven more effectively, and the soft magnetic plate 1 moves more rapidly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A power generation structure, characterized by comprising:

-a soft magnetic plate (1), the soft magnetic plate (1) being configured to be rotatably mounted;

a coil (2), said coil (2) being arranged around said soft magnetic plate (1);

the soft magnetic frame (3), the soft magnetic frame (3) comprises a fixed part (31) and a bent part (32), a first permanent magnet (311) is arranged at a first end of the fixed part (31), a second permanent magnet (313) is arranged at a second end of the fixed part (31), and an avoiding opening (321) for allowing the soft magnetic plate (1) to rotate is formed in the bent part (32);

the first permanent magnet (311) is connected with a first magnetic conduction plate (312), the first magnetic conduction plate (312) is bent to form a first contact part (3121), and the first contact part (3121) is located on one side of the soft magnetic plate (1);

the second permanent magnet (313), a second magnetic conduction plate (314) is connected to the second permanent magnet (313), a second contact part (3141) is formed after the second magnetic conduction plate (314) is bent, and the second contact part (3141) is located on the other side of the soft magnetic plate (1);

in an initial state, two ends of the soft magnetic plate (1) form a first closed magnetic circuit through the first contact part (3121), the first permanent magnet (311) and the soft magnetic frame (3), when the soft magnetic plate (1) rotates, two ends of the soft magnetic plate (1) form a second closed magnetic circuit through the second contact part (3141), the second permanent magnet (313) and the soft magnetic frame (3), and the direction of a magnetic induction line passing through the soft magnetic plate (1) in the first closed magnetic circuit is opposite to the direction of a magnetic induction line passing through the soft magnetic plate (1) in the second closed magnetic circuit.

2. A power generation structure according to claim 1, wherein said soft magnetic frame (3) is an L-shaped soft magnetic frame, a vertical portion of said L-shaped soft magnetic frame is formed as said fixing portion (31), a horizontal portion of said L-shaped soft magnetic frame is formed as said bending portion (32), a first surface of said fixing portion (31) is located at one side of said soft magnetic plate (1), and a second surface of said fixing portion (31) is provided with said first permanent magnet (311) and said second permanent magnet (313).

3. A power generation structure according to claim 2, characterized in that the middle of the soft-magnetic plate (1) is configured as a pivot point, at least a part of one end of the soft-magnetic plate (1) passes through the escape opening (321) to form an operation end (11), and the other end of the soft-magnetic plate (1) is formed as a free end.

4. A power generation structure according to claim 3, characterized in that said first magnetically permeable plate (312) extends along the length of said fixation part (31) and it protrudes from the end of said fixation part (31) and then extends towards said soft-magnetic plate (1) to form said first contact portion (3121).

5. An electricity generating structure according to claim 3 or 4, characterized in that said second magnetic conducting plate (314) extends along the width direction of said fixing portion (31) and then bends towards said soft magnetic plate (1) to form a C-shaped bent section (3142), one end of said C-shaped bent section (3142) extends along the length direction of said fixing portion (31) and is parallel to the first face of said fixing portion (31) and the extending end (3143) bends to form a second contact portion (3141) at a position opposite to said first contact portion (3121).

6. A structure for generating electricity according to claim 3, characterized in that a buffer (13) is connected to said operating end (11).

7. A door magnetic switch, comprising:

-a housing (4) built into a carrier, said housing (4) integrating a power generating structure according to any of claims 1-6 and a driving plate (41), said driving plate (41) being configured to be rotatably mounted, said driving plate (41) being used for driving said soft magnetic plate (1) to deflect;

the door plate (5) is hinged to the carrier and located on one side of the driving plate (41), and the door plate (5) drives the driving plate (41) to deflect by means of a magnetic assembly.

8. A door magnetic switch according to claim 7, characterized in that the driving plate (41) is an L-shaped driving plate, a first section of the L-shaped driving plate is parallel to a first surface of the fixing portion (31) of the soft magnetic frame (3), a second section of the L-shaped driving plate extends towards the soft magnetic plate (1), an end portion of the second section is formed into a driving end (411), and the driving end (411) drives the soft magnetic plate (1) to deflect.

9. A door magnetic switch according to claim 8, characterized in that said magnetic assembly comprises at least one third permanent magnet (42), said third permanent magnet (42) being arranged at a first end of said first section of said driving plate (41), the magnetism of a face of said third permanent magnet (42) close to said door panel (5) being the same as the magnetism of said door panel (5).

10. A door magnetic switch according to claim 9, characterized in that said magnetic assembly comprises at least one fourth permanent magnet (43), said fourth permanent magnet (43) being arranged at a second end of a first section of said driving plate (41), said fourth permanent magnet (43) and said door panel (5) being mutually attracted.