CN108306476B - Power generation device and self-power-generation switch device - Google Patents
Power generation device and self-power-generation switch device Download PDFInfo
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- CN108306476B CN108306476B CN201810135539.6A CN201810135539A CN108306476B CN 108306476 B CN108306476 B CN 108306476B CN 201810135539 A CN201810135539 A CN 201810135539A CN 108306476 B CN108306476 B CN 108306476B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
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Abstract
The invention relates to the technical field of self-generating switches, and particularly provides a power generation device and a self-generating switch device. The power generation device includes: a first permanent magnet assembly comprising a first permanent magnet; the coil pack, the coil pack includes magnetic core and coil, the magnetic core includes the magnetic core body and follows first extension and the second extension that the magnetic core body extends out, the coil is convoluteed on the magnetic core body, first permanent magnet is located between first extension and the second extension, the coil pack have first extension with the first position of the first magnetic pole contact of first permanent magnet and second extension with the second position of the second magnetic pole contact of first permanent magnet, the magnetic core follow when first position transform to the second position, the coil produces induced voltage. The self-generating switch device is simple in structure, and the requirement on the matching precision between parts is reduced, so that the manufacturing difficulty of products is reduced, and the production cost is low.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of self-generating switches, in particular to a power generation device and a self-generating switch device.
[ background of the invention ]
With the popularization of the green concept, less batteries and technical solutions without batteries are more and more concerned. Taking the remote control field as an example, a self-generating remote control trigger end is adopted, and a response end powered by the periphery is combined to form a set of solution without battery power supply.
Therefore, the development of the self-generating switch device is also more and more emphasized by the industry, wherein the self-generating switch shown in fig. 1 is the most popular at present, and is favored by developers of various self-generating devices because the required switch has smaller work amplitude and smaller volume.
As shown in fig. 3, which is an application example of the self-generating switching device shown in fig. 1 and 2 in the prior art, since in the existing self-generating switching device, the coil and the magnetic core are packaged as a fixed member, and the magnetic flux of the coil is changed by contacting the magnetic core with different magnetic poles of the permanent magnet. The problems with this approach are: the self-generating switch device is complex in structure, the requirement on the matching precision between parts is high, and therefore the manufacturing difficulty of the product is high and the production cost is high.
On the other hand, in the conventional power generation structure shown in fig. 3, since the variation of the magnetic flux in the coil is limited, the power generation amount is insufficient, and the power generation structure cannot be applied to an application field with a large power demand.
[ summary of the invention ]
The technical problem to be solved by the invention is that in the existing self-generating electric switch device, the structure of the self-generating electric switch device is complex, and the matching precision requirement between parts is higher, so that the manufacturing difficulty of the product is higher, and the production cost is higher.
Furthermore, the preferable scheme related to the invention is also used for solving the problems that in the existing self-generating electric switch device, the coil and the magnetic core are packaged into a fixed part, and the magnetic flux of the coil is changed by contacting different magnetic poles of the permanent magnet with the magnetic core, so that the change of the magnetic flux in the coil is limited, and the generated energy is insufficient and cannot be applied to the application field with larger electric quantity demand.
In order to solve the above technical problem, the present invention provides a power generation device, including:
a first permanent magnet assembly comprising a first permanent magnet;
the coil pack, the coil pack includes magnetic core and coil, the magnetic core includes the magnetic core body and follows first extension and the second extension that the magnetic core body extends out, the coil is convoluteed on the magnetic core body, first permanent magnet is located between first extension and the second extension, the coil pack have first extension with the first position of the first magnetic pole contact of first permanent magnet and second extension with the second position of the second magnetic pole contact of first permanent magnet, the magnetic core follow when first position transform to the second position, the coil produces induced voltage.
Preferably, the power generation device further comprises a second permanent magnet assembly, and the second permanent magnet assembly comprises a second permanent magnet;
the magnetic core further comprises a third extension part and a fourth extension part, and the extension directions of the third extension part and the fourth extension part are opposite to the extension directions of the first extension part and the second extension part respectively; the second permanent magnet assembly is positioned between the third extension part and the fourth extension part;
the coil assembly is provided with a first position where a first extension part and a third extension part are simultaneously in contact with a first magnetic pole of the first permanent magnet and a first magnetic pole of the second permanent magnet respectively, and a second position where a second extension part and a fourth extension part are simultaneously in contact with a second magnetic pole of the first permanent magnet and a second magnetic pole of the second permanent magnet respectively, wherein when the coil assembly is changed from the first position to the second position, the coil generates induced voltage.
Preferably, when the coil assembly is rotationally moved from the first position to the second position, the coil generates an induced voltage.
Preferably, the coil generates an induced voltage when the coil assembly is translated from the first position to the second position.
Preferably, the first permanent magnet assembly further comprises a soft magnetic protective layer arranged on the surface of the first permanent magnet, and the second permanent magnet assembly further comprises a soft magnetic protective layer arranged on the surface of the second permanent magnet.
Preferably, the magnetic core is assembled by a pair of bent magnetic pieces having the same shape.
Preferably, the preparation method of the magnetic core comprises the following steps:
cutting a strip-shaped magnetic sheet along one direction of a central line for a certain distance to form a pair of free ends;
and bending the pair of free ends along a direction perpendicular to the central line to obtain the magnetic core.
Preferably, the preparation method of the magnetic core comprises the following steps:
cutting a strip-shaped magnetic sheet for a certain distance along two directions of a central line to form two pairs of free ends;
and respectively bending the two pairs of free ends along a direction perpendicular to the central line to obtain the magnetic core.
In another aspect, the present invention further provides a self-generating switch device, including the power generating device of the first aspect and a driving member, where the driving member is connected to the coil assembly to drive the magnetic core to switch between the first position and the second position.
Preferably, the device further comprises a signal processing circuit board, and the signal processing circuit board is electrically connected with the output end of the coil.
Compared with the prior art, the invention has the beneficial effects that:
the power generation device has a simple structure, and reduces the requirement on the matching precision between parts, so that the manufacturing difficulty of the product is reduced, and the production cost is low.
Furthermore, in the preferred scheme of the invention, by changing the conventional magnetic flux adjusting mode, the moving space of the coil, which can accommodate the magnetic core, is enlarged, and the permanent magnets are respectively arranged at the two ends of the magnetic core and work in cooperation with the corresponding first extension part, the second extension part, the third extension part and the fourth extension part, so that the change of the magnetic flux in the local coil area, which can be brought by the permanent magnet assembly, is increased, the induced electric quantity is improved, and the reliability and the stability of remote response are ensured.
[ description of the 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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic partial structural diagram of a self-generating switch device in the prior art provided by the present invention;
figure 2 is a cross-sectional view of a portion AA' of the self-generating electrical switching apparatus of figure 1 in accordance with the present invention;
fig. 3 is a structural sectional view of a self-generating switching device in the prior art provided by the present invention;
fig. 4 is an initial state sectional view of a structure of a power generation device according to an embodiment of the present invention;
FIG. 5 is a sectional view of a magnetic core in a power generation device according to an embodiment of the present invention;
fig. 6 is a cross-sectional view showing a modified structure of a power generation device according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a return spring arrangement of another power generation device according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a return spring arrangement of another power generation device according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a layout of a core and a coil in a translational power generation device according to an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a magnetic core and coil layout after a change state in a translational power generation device according to an embodiment of the present invention;
fig. 11 is an initial state sectional view of the structure of an improved power generation device provided by the embodiment of the invention;
FIG. 12 is a schematic structural diagram of a core and coil arrangement in an improved power generation device according to an embodiment of the present invention;
FIG. 13 is a schematic structural diagram of a core and coil layout after a change state in an improved power generation device according to an embodiment of the present invention;
fig. 14 is a schematic diagram of a power generation device provided by an embodiment of the invention after a permanent magnet protection layer structure is added;
FIG. 15 is a schematic diagram of a magnetic core and coil arrangement in a first position of a translational modified power generation device according to an embodiment of the present invention;
FIG. 16 is a structural diagram of a magnetic core and coil arrangement in a second position of a translational modified power generation device according to an embodiment of the present invention;
FIG. 17 is a schematic diagram of a magnetic core structure according to an embodiment of the present invention;
FIG. 18 is a schematic diagram of another core configuration provided by embodiments of the present invention;
FIG. 19 is a schematic diagram of yet another magnetic core structure provided by an embodiment of the present invention;
fig. 20 is a schematic structural diagram of another magnetic core in a different state according to an embodiment of the present invention.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, the terms "inner", "outer", "longitudinal", "lateral", "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the embodiments of the present invention, the symbol "/" indicates a meaning having both functions. And the symbol "A and/or B" indicates that the combination between the front and rear objects connected by the symbol includes three cases of "A", "B", "A and B".
The electromagnetic induction phenomenon is a phenomenon in which induced electromotive force is generated due to a change in magnetic flux, and the most basic formula of the electromagnetic induction law is e-n (d Φ)/(dt), where n is the number of turns of a coil, Δ Φ is the amount of change in magnetic flux, Δ t is the time taken for the change to occur, and e is the generated induced electromotive force.
As can be seen from the formula, if the induced electromotive force (i.e., the induced electric power) is to be increased, it is considered from both the aspect of increasing the amount of change in the magnetic flux and the aspect of time taken to reduce the amount of change in the magnetic flux, and therefore, the following embodiments and other switchable embodiments are considered based on this.
In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1:
an embodiment of the present invention provides a power generation device, which is suitable for various self-power generation application scenarios, such as a self-power generation doorbell switch, a self-power generation alarm switch, a self-power generation lighting switch, and the like, and as shown in fig. 4 and 5, the power generation device includes:
a first permanent magnet assembly comprising a first permanent magnet 11;
the coil component comprises a magnetic core 21 and a coil 22, the magnetic core 21 comprises a magnetic core body 211 and a first extension part 212 and a second extension part 213 which extend from the magnetic core body 211, the coil 22 is wound on the magnetic core body 211, the first permanent magnet 11 is located between the first extension part 212 and the second extension part 213, the coil component is provided with a first position where the first extension part 212 is in contact with a first magnetic pole of the first permanent magnet 11 and a second position where the second extension part 213 is in contact with a second magnetic pole of the first permanent magnet 11, and when the coil component is changed from the first position to the second position, the coil 22 generates induced voltage.
In an embodiment of the present invention, there are at least two alternative implementations for accomplishing the transformation of the coil assembly from the first position to the second position, the first implementation being: the coil 22 is provided with hollow areas allowing the first extension 212 and the second extension 213 of the core 21 to perform the function of a first position in which the respective first extension 212 is in contact with the first pole of the first permanent magnet 11 and a second position in which the respective second extension 213 is in contact with the second pole of the first permanent magnet 11, for example: this is achieved by rotation of the core 21 about a rotation axis or by translation of the core itself. The second method comprises the following steps: the coil 22 is also provided with a hollow area, in which the hollow area of the coil 22 is tightly coupled with the magnetic core 21, and the coil 22 and the magnetic core 21 rotate together around a rotating shaft or translate together, so as to realize the functions of a first position where the first extension part 212 is in contact with the first magnetic pole of the first permanent magnet 11 and a second position where the second extension part 213 is in contact with the second magnetic pole of the first permanent magnet 11. Next, the embodiments of the present invention will be mainly explained based on the first mode, but as those skilled in the art can also apply the corresponding structure and implementation method to the second mode without creative work, further description is omitted here.
The self-generating switch device provided by the embodiment of the invention has a simple structure, and reduces the requirement on the matching precision between parts, so that the manufacturing difficulty of the product is reduced, and the production cost is low.
When the power generation apparatus shown in fig. 4 is in an initial state, the first driving member 12 is driven by an external driving force to drive the entire magnetic core 21 to rotate clockwise around the axial center 23 shown in fig. 4, where fig. 6 is an effect schematic diagram after the magnetic core 21 is rotated, and at this time, the first extending portion 212 contacts with the first magnetic pole of the first permanent magnet 11. As can be seen from fig. 6, in order to adapt the power generating device according to embodiment 1 to an application scenario in which the first driving member 12 is resettable, it is preferable to provide a return spring 13 between the bottom of the second extending portion 213 and the housing. The setting position of the return spring 13 is not only the position shown in fig. 6, but alternatively, the setting position of the return spring 13 may also be the connection position of the magnetic core body 211 and the second extension portion 213, as shown in fig. 7; it is also possible to provide the other end of the core body 211 on the side of connection with the second extending portion 213, as shown in fig. 8, and the setting position of the return spring 13 is not particularly limited.
On the other hand, fig. 4 referred to in conjunction with the description of embodiment 1 is only one of various functions that can achieve a first position where the first extension 212 and the second extension 213 make contact with the first magnetic pole of the first permanent magnet 11 and a second position where the second extension 213 makes contact with the second magnetic pole of the first permanent magnet 11. As shown in fig. 9 and 10, for another structural schematic diagram for performing the above function according to an embodiment of the present invention, compared with the manner of rotating around the axis 23 shown in fig. 4, fig. 9 and 10 provide a manner of translational motion, when the functional structure shown in fig. 9 and 10 is implemented in a specific housing, parallel sliding grooves may be disposed on two sides of the magnetic core body 211 located on the coil 22; or the width of the first driving member 12 is set to be enough to cover the width of the coil 22, and parallel contacts are set between the magnetic core bodies 211 on both sides of the coil 22, so that when the first driving member 12 is pressed down, the magnetic core bodies 211 can generate the translation effect as shown in fig. 10. Accordingly, if the first drive element 12 is to be reset, a corresponding return spring 13 is provided, in which case, in order to ensure a uniform force, a symmetrical arrangement of the springs 13 is preferred, and a layout with effects is schematically shown in fig. 9.
After the above description is made for the operation mode of implementing the coil assembly in embodiment 1 of the present invention and various driving means are provided, the embodiment of the present invention will further specifically describe an extensible implementation mode of the magnetic core 21. As shown in fig. 11, a preferred embodiment of the magnetic core 21 of the power generation device according to embodiment 1 of the present invention is provided. Specifically, the method comprises the following steps: the power generation device further comprises a second permanent magnet assembly, wherein the second permanent magnet assembly comprises a second permanent magnet 31;
the magnetic core 21 further comprises a third extension portion 214 and a fourth extension portion 215, and the extension directions of the third extension portion 214 and the fourth extension portion 215 are opposite to the extension directions of the first extension portion 212 and the second extension portion 213, respectively; the second permanent magnet 31 is located between the third extension 214 and the fourth extension 215;
the coil assembly has a first position where the first extension 212 and the third extension 214 are in contact with the first magnetic pole of the first permanent magnet and the first magnetic pole of the second permanent magnet, respectively, and a second position where the second extension and the fourth extension are in contact with the second magnetic pole of the first permanent magnet and the second magnetic pole of the second permanent magnet, respectively, and when the coil assembly is changed from the first position to the second position, the coil 22 generates an induced voltage.
In the above preferred embodiment of the present invention, by changing the conventional way of adjusting the magnetic flux, the moving space of the coil that can accommodate the magnetic core is enlarged, and the permanent magnets are respectively disposed at the two ends of the magnetic core and work in cooperation with the corresponding first extension portion, second extension portion, third extension portion and fourth extension portion, so that the change of the magnetic flux in the local coil region brought by the permanent magnet assembly is increased, thereby improving the induced electric quantity and ensuring the reliability and stability of the remote response.
Fig. 12 is an equivalent schematic view of the magnetic poles between the magnetic core 21 and the corresponding first and second permanent magnets 11 and 31 in the power generation device shown in fig. 11. If the maximum amplitude variation of the magnetic induction lines in the magnetic core 21 is to be achieved by adopting a rotation manner, the corresponding magnetic poles of the corresponding first permanent magnet 11 and the second permanent magnet 31 are laid out such that the magnetic poles with the same polarity face the same direction, and taking fig. 12 as an example, the N pole of the first permanent magnet 11 and the N pole of the second permanent magnet 31 both face upward (in an equivalent scheme, the N pole of the first permanent magnet 11 and the N pole of the second permanent magnet 31 both face downward may also be adopted, and details are not described here again). Thus, the equivalent magnetic poles of the core body 211 are N-pole on the left side and S-pole on the right side, as shown in fig. 12. The first driving member 12 of the power generation device shown in fig. 11 completes the contact between the first extension 212 and the third extension 214 with the first permanent magnet 11 and the second permanent magnet 31, respectively, after the magnetic core 21 is driven to rotate around the rotating shaft 23 by an external force, and the equivalent magnetic pole state of the magnetic core 21 in fig. 12 is just reversed compared to the equivalent magnetic pole state of the magnetic core 21 in fig. 11, for example, with the magnetic pole configuration of the permanent magnet shown in fig. 12. Thereby, the direction of the magnetic flux passing through the coil (not shown in the figure, actually wound on the outer surface of the magnetic core 211) is changed, the change rate of the magnetic flux is greatly improved, and the power generation amount of the power generation device is improved.
In connection with the embodiment of the present invention, in order to protect the permanent magnets or the related extension portions, and in consideration of noise reduction, it is preferable that, as shown in fig. 14, the first permanent magnet assembly further includes a soft magnetic protective layer 33 disposed on the surface of the first permanent magnet 11, and the second permanent magnet assembly further includes a soft magnetic protective layer 32 disposed on the surface of the second permanent magnet 31. The soft magnetic protective layer may also act alone on the power generation device having only the first permanent magnet 11, as shown in fig. 4, and will not be described herein again.
In fig. 12-14, only one kind of the magnetic core 21 is given, which further comprises a third extension 214 and a fourth extension 215, and the changing of the magnetic pole distribution of the magnetic core 21 is achieved in a rotating manner, resulting in a change of the magnetic flux in the coil 22. However, corresponding to the core body 211 shown in fig. 9 and 10, which is implemented by the core body 211 in a translational manner to contact the surfaces with different polarities, in the extended implementation of the core 21 further including the third extension 214 and the fourth extension 215, there is also another implementation of the translational movement up and down, as shown in fig. 15, at this time, compared with the layout of the first permanent magnet 11 and the second permanent magnet 31 shown in fig. 13, which adopt the same polarity and face the same surface, in the translational implementation, in order to achieve the translational movement, when the first position (the first position state of the coil assembly is the position shown in fig. 15) and the second position (the second position state of the coil assembly is the position shown in fig. 16) of the coil assembly are reached, the equivalent magnetic poles of the core body 211 can be reversed, and the corresponding first permanent magnet 11 and second permanent magnet 31 adopt the layout of opposite polarities and face the same surface, as shown in fig. 15 and 16.
In the embodiment of the present invention, when the self-generating switch is used in a specific application scenario, the self-generating switch generally structurally further includes a signal processing circuit board, and the signal processing circuit board is electrically connected to the output end of the coil.
Example 2:
embodiments of the present invention provide two processing methods that can be used to form a magnetic core for use as the magnetic core 21 in embodiment 1, specifically as follows:
in the first processing mode, the magnetic core 21 is assembled by a pair of bent magnetic pieces or iron pieces having the same shape. The structure shown in fig. 17 is suitable for the embodiment corresponding to fig. 4 to 10, and the corresponding embodiment shown in fig. 11 to 16 can be suitable for the embodiment, as shown in fig. 18, only by arranging the bending region at two ends. The manner in which the magnetic core 21 is manufactured can reduce the problem of high cost associated with integral molding.
Cutting one end of a strip-shaped magnetic sheet along one direction of a center line for a certain distance (the distance is determined by the size of a permanent magnet to be coupled) to form a pair of free ends; the pair of free ends are respectively bent by punching in two directions perpendicular to the upper and lower surfaces of the magnetic sheet so that a space is formed between the two free ends, thereby obtaining a magnetic core 21 (see fig. 19). Compared with the first processing mode, the structure of the magnetic core 21 manufactured by the method is simpler and more convenient, and the cost can be reduced relatively, for example, when the magnetic core 21 shown in fig. 19 and 20 completes the up-and-down translation or rotation, the magnetic core respectively completes the contact with the upper N pole and the lower S pole of the two permanent magnets 11 shown in fig. 19 (the actual arrangement can be reversed, that is, the upper S pole and the lower N pole of the permanent magnets 11 have the same arrangement effect), so as to generate the induced voltage, which is similar to the case of fig. 4 to fig. 6.
Fig. 19 and 20 only show the extension portion structure on one side of the coil, and for the magnetic core structure including the third extension portion and the fourth extension portion to be manufactured, a long magnetic sheet is first cut at a certain distance along two ends of the central line to form two pairs of free ends; for each pair of free ends, the two free ends are respectively punched and bent along two directions perpendicular to the upper and lower surfaces of the magnetic sheet, so that a space is formed between the two free ends, thereby obtaining a magnetic core with another structure, which is similar to the situation of fig. 12 to 13.
Based on a common inventive concept, the related extended implementation and the preferred implementation applicable to any of the above embodiments may be applied to new improvements obtained from related technical contents of other embodiments of the present invention through proper derivation without creative labor, which also fall within the protection scope of the embodiments of the present invention, and thus, detailed descriptions thereof are not repeated herein.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An electrical power generation device, comprising:
a first permanent magnet assembly comprising a first permanent magnet;
the coil assembly comprises a magnetic core and a coil, the magnetic core comprises a magnetic core body, a first extending part and a second extending part, the first extending part and the second extending part extend out of the magnetic core body, the coil is wound on the magnetic core body, and the first permanent magnet is located between the first extending part and the second extending part;
the power generation device also comprises a second permanent magnet assembly, wherein the second permanent magnet assembly comprises a second permanent magnet;
the magnetic core further comprises a third extension part and a fourth extension part, and the extension directions of the third extension part and the fourth extension part are opposite to the extension directions of the first extension part and the second extension part respectively; the second permanent magnet assembly is positioned between the third extension part and the fourth extension part;
the coil assembly is provided with a first position where a first extension part and a third extension part are simultaneously and respectively contacted with a first magnetic pole of the first permanent magnet and a first magnetic pole of the second permanent magnet, and a second position where a second extension part and a fourth extension part are simultaneously and respectively contacted with a second magnetic pole of the first permanent magnet and a second magnetic pole of the second permanent magnet, and when the coil assembly is changed from the first position to the second position, the coil generates induced voltage;
the preparation method of the magnetic core comprises the following steps:
firstly, cutting a strip-shaped magnetic sheet at a certain distance along two ends of a central line to form two pairs of free ends;
and for each pair of free ends, respectively punching and bending along two directions vertical to the upper surface and the lower surface of the magnetic sheet to form a space between the two free ends, thereby obtaining the magnetic core.
2. The power generation apparatus of claim 1, wherein the coil generates an induced voltage when the coil assembly is rotationally moved from the first position to the second position.
3. The power generation apparatus of claim 1, wherein the first permanent magnet assembly further comprises a soft magnetic protective layer disposed on a surface of the first permanent magnet, and wherein the second permanent magnet assembly further comprises a soft magnetic protective layer disposed on a surface of the second permanent magnet.
4. A self-generating switchgear comprising a power generating device as claimed in any of claims 1 to 3 and a drive member connected to the coil assembly for driving the magnetic core between the first and second positions.
5. The self-generating switching device according to claim 4, further comprising a signal processing circuit board electrically coupled to the output end of the coil.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135539.6A CN108306476B (en) | 2018-02-09 | 2018-02-09 | Power generation device and self-power-generation switch device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135539.6A CN108306476B (en) | 2018-02-09 | 2018-02-09 | Power generation device and self-power-generation switch device |
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| Publication Number | Publication Date |
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| CN108306476A CN108306476A (en) | 2018-07-20 |
| CN108306476B true CN108306476B (en) | 2020-04-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202094879U (en) * | 2011-03-02 | 2011-12-28 | 上海博悦信息科技有限公司 | Self-power-supplying wireless bidirectional communication sensor |
| CN204559359U (en) * | 2015-04-30 | 2015-08-12 | 刘远芳 | The Blast Furnace Top Gas Recovery Turbine Unit (TRT) moved both vertically and electronic product |
| CN105871168A (en) * | 2015-01-23 | 2016-08-17 | 昀迈(上海)生物科技有限公司 | Double-magnet button type self-generating apparatus |
| CN206099708U (en) * | 2016-06-23 | 2017-04-12 | 江苏博悦物联网技术有限公司 | Switch power generation facility |
-
2018
- 2018-02-09 CN CN201810135539.6A patent/CN108306476B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202094879U (en) * | 2011-03-02 | 2011-12-28 | 上海博悦信息科技有限公司 | Self-power-supplying wireless bidirectional communication sensor |
| CN105871168A (en) * | 2015-01-23 | 2016-08-17 | 昀迈(上海)生物科技有限公司 | Double-magnet button type self-generating apparatus |
| CN204559359U (en) * | 2015-04-30 | 2015-08-12 | 刘远芳 | The Blast Furnace Top Gas Recovery Turbine Unit (TRT) moved both vertically and electronic product |
| CN206099708U (en) * | 2016-06-23 | 2017-04-12 | 江苏博悦物联网技术有限公司 | Switch power generation facility |
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| CN108306476A (en) | 2018-07-20 |
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