WO2021051823A1 - Module de production d'auto-alimentation et commutateur de commande sans fil - Google Patents

Module de production d'auto-alimentation et commutateur de commande sans fil Download PDF

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Publication number
WO2021051823A1
WO2021051823A1 PCT/CN2020/088947 CN2020088947W WO2021051823A1 WO 2021051823 A1 WO2021051823 A1 WO 2021051823A1 CN 2020088947 W CN2020088947 W CN 2020088947W WO 2021051823 A1 WO2021051823 A1 WO 2021051823A1
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WO
WIPO (PCT)
Prior art keywords
elastic
self
driving arm
housing
button
Prior art date
Application number
PCT/CN2020/088947
Other languages
English (en)
Chinese (zh)
Inventor
田赡民
Original Assignee
宁波公牛电器有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201910875032.9A external-priority patent/CN110690804B/zh
Priority claimed from CN201910875088.4A external-priority patent/CN110706963A/zh
Application filed by 宁波公牛电器有限公司 filed Critical 宁波公牛电器有限公司
Publication of WO2021051823A1 publication Critical patent/WO2021051823A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/08—Bases; Stationary contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • H01H23/16—Driving mechanisms
    • 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

Definitions

  • This application relates to the technical field of switches, and in particular to a self-powered module and a wireless control switch.
  • the wireless control switch in the prior art mainly includes a self-powered module, which drives the self-powered module to generate power by pressing by an external force, and then controls the controlled device to perform corresponding actions. Since the self-power module includes a compression spring, and both ends of the compression spring abut other parts in the self-power module, in this way, when the self-power module is in the initial state of being compressed, the compression spring will produce a reverse elasticity Force, resulting in a larger operating force required for initial pressing.
  • the present application provides a self-powered module and a wireless control switch, which can reduce the operating force required when the driving arm of the self-powered module is initially pressed, so that the operating force required when the button is pressed is small.
  • a self-power generation module including: a housing, a power generation mechanism, a driving arm, and an elastic reset member;
  • the power generation mechanism is located in the housing;
  • the driving arm is pivotally connected to the housing and connected to the power generating mechanism, and the driving arm is configured to interact with the elastic reset member when rotating and cause the power generating mechanism to generate electricity;
  • the elastic resetting member is located between the driving arm and the housing. In the relaxed state of the elastic resetting member, between the first elastic end of the elastic resetting member and the pressing surface of the driving arm , And at least one place between the second elastic end of the elastic reset member and the pressure bearing surface of the housing is formed with a gap.
  • the second elastic end is connected to the pressure surface, and a first interval is formed between the first elastic end and the pressure surface.
  • the first elastic end is connected to the pressure surface, and a second interval is formed between the second elastic end and the pressure surface.
  • the side wall of the elastic restoring member is movably connected to the fixing member, a first interval is formed between the first elastic end and the pressing surface, and the second elastic end is connected to the pressure-bearing surface. A second interval is formed between the surfaces.
  • the power generating mechanism includes a magnetic member, and the fixing member is the magnetic member;
  • the magnetic member is located on a first side of the driving arm, the elastic reset member is located on a second side of the driving arm, and the first side is opposite to the second side;
  • the side wall of the elastic restoring member abuts against the side wall of the second side of the driving arm through adsorption between the elastic return member and the magnetic member.
  • the fixing member is a side wall of the driving arm
  • the self-power generation module further includes a first elastic stretching member, a first end of the first elastic stretching member is fixedly connected to the side wall of the driving arm, and a second end of the first elastic stretching member is connected to the side wall of the driving arm.
  • the side walls of the elastic reset member are fixedly connected.
  • the housing has a support frame extending upward on the pressure-bearing surface, and the fixing member is the support frame;
  • the self-powered module further includes a second elastic stretching member, a first end of the second elastic stretching member is fixedly connected to the support frame, and a second end of the second elastic stretching member is connected to the elastic
  • the side walls of the reset member are fixedly connected.
  • the self-power generation module further includes a first magnet and a second magnet;
  • the first magnet is fixed on the side of the driving arm opposite to the pressure surface
  • the second magnet is fixed on the side of the housing opposite to the pressure surface
  • the driving arm In the relaxed state of the elastic restoring member, the driving arm abuts against the housing by the adsorption between the first magnet and the second magnet.
  • the elastic return member is a compression spring.
  • the free length of the compression spring is in the range of 3.5-6 mm.
  • the elastic return member is a torsion spring.
  • a wireless control switch includes a button, the self-generating module as described above, and a fixing frame;
  • the self-power generation module is installed on the fixed frame, the button cover is provided on the self-power generation module, and the button is used to drive the driving arm to rotate so that the power generation mechanism generates power.
  • the button includes an inner button and an outer button;
  • the inner button is pivotally connected, the outer button is detachably fixed on the inner button, and the self-power generation module is covered;
  • the outer button is buckled on the inner button.
  • the fixing frame has a fixing hole
  • the housing has a first via hole at a position corresponding to the fixing hole
  • the inner button has a second via hole at a position corresponding to the first via hole.
  • the second via hole, the first via hole and the fixing hole may be sequentially passed through by the fastener.
  • the self-powered module provided by the embodiment of the present application passes between the first elastic end of the elastic reset piece and the pressing surface of the drive arm, and between the second elastic end of the elastic reset piece and the pressing surface of the housing. At least one space is formed, that is, by making the free length of the elastic reset member smaller than the distance between the pressing surface of the driving arm and the pressure receiving surface of the housing, the driving arm is not affected by the elastic resetting member in the initial state of being compressed.
  • the elastic force effectively reduces the operating force when the drive arm is initially pressed, so that the button of the wireless control switch applying the self-powered module requires a smaller operating force when pressed.
  • FIG. 1 is a schematic diagram of an exploded structure of a wireless control switch provided by an embodiment of the application
  • FIG. 2 is a schematic diagram of a top view structure of a wireless control switch provided by an embodiment of the application
  • FIG. 3 is a schematic cross-sectional structure diagram of a self-powered module provided by an embodiment of the application.
  • FIG. 4 is a schematic cross-sectional structure diagram of another self-powered module provided by an embodiment of the application.
  • FIG. 5 is a schematic cross-sectional structure diagram of a self-powered module provided by an embodiment of the application when under pressure;
  • FIG. 6 is a schematic diagram of an exploded structure of a self-powered module provided by an embodiment of the application.
  • FIG. 7 is a schematic cross-sectional structure diagram of yet another self-powered module provided by an embodiment of the application.
  • FIG. 8 is a schematic cross-sectional structure diagram of yet another self-powered module provided by an embodiment of the application.
  • FIG. 9 is a schematic cross-sectional structure diagram of yet another self-powered module provided by an embodiment of the application.
  • FIG. 10 is a schematic structural diagram of a module cover provided by an embodiment of the application.
  • FIG. 11 is a three-dimensional structural diagram of a first sub-yoke provided by an embodiment of the application.
  • FIG. 12 is a three-dimensional structural diagram of a second sub-yoke provided by an embodiment of the application.
  • FIG. 13 is a schematic top view of another self-powered module provided by an embodiment of the application.
  • Fig. 14 is a schematic cross-sectional structure view taken along the line B-B in Fig. 13;
  • Fig. 15 is a schematic cross-sectional structure view taken along line A-A in Fig. 2;
  • 16 is a schematic diagram of a three-dimensional structure of a self-powered module provided by an embodiment of the application.
  • FIG. 17 is a schematic diagram of a three-dimensional structure of an inner button provided by an embodiment of the application.
  • FIG. 18 is a schematic diagram of a three-dimensional structure of a self-powered module and a fixing frame after assembly according to an embodiment of the application;
  • FIG. 19 is a schematic cross-sectional structure diagram of yet another self-powered module provided by an embodiment of the application.
  • 211 support frame
  • 212 shaft hole
  • 213 first via hole
  • 214 positioning post
  • 221 magnetic parts
  • 222 induction coil
  • 223 yoke iron
  • 224 coil bobbin
  • 2231 the first sub-yoke; 22311: the first sub-yoke body; 22312: the first sub-core;
  • 2232 the second sub-yoke; 22321: the second sub-yoke body; 22322: the second sub-core;
  • 24 elastic restoring piece; 241: first elastic end; 242: second elastic end;
  • Figure 1 illustrates a schematic diagram of an exploded structure of a wireless control switch.
  • the wireless control switch includes a button 1, a self-generating module 2 and a fixing frame 3.
  • the self-powered module 2 is installed on the fixed frame 3
  • the button 1 is covered on the self-powered module 2
  • the button 1 is used to drive the self-powered module 2 to generate electricity when pressed
  • the fixed frame 3 is used for fixed connection with the mounting surface.
  • Figure 2 is a top view structure diagram of a three-switch wireless control switch.
  • the wireless control switch includes three buttons and three self-generating modules corresponding to the three buttons one-to-one. Each button can drive the corresponding self-generation module to generate electricity separately, so as to realize the individual control of the three controlled devices.
  • the self-power generation module can be applied not only to wireless control switches, but also to other devices, such as wireless remote controllers, which are not limited in the embodiment of the present application.
  • the self-power generation module 2 provided by the embodiment of the present application includes: a housing 21, a power generation mechanism 22, a drive arm 23, and an elastic reset member 24; the power generation mechanism 22 is located in the housing 21; the drive arm 23 is pivotally connected On the housing 21 and connected with the power generating mechanism 22, the driving arm 23 is configured to interact with the elastic reset member 24 and cause the power generating mechanism 22 to generate electricity when rotating.
  • the elastic restoring member 24 is located between the driving arm 23 and the housing 21. In the relaxed state of the elastic restoring member 24, between the first elastic end 241 of the elastic restoring member 24 and the pressing surface of the driving arm 23, and the elastic restoring member A gap is formed between the second elastic end 242 of the 24 and the pressure bearing surface of the housing 21.
  • the second elastic end 242 is connected to the pressure surface of the housing 21, and a first interval is formed between the first elastic end 241 and the pressure surface of the driving arm 23.
  • a first interval is formed between the first elastic end 241 and the pressing surface of the driving arm 23, and there is no interval between the second elastic end 242 and the pressing surface of the housing 21.
  • the interval of the first interval is L0.
  • the second elastic end 242 can be connected to the pressure-bearing surface of the housing 21 by bonding, or it can be directly placed on the pressure-bearing surface of the housing 21 to realize the connection.
  • the connection can also be realized in other ways. There is no restriction on this.
  • the reverse elastic force of the elastic reset member 24 drives the driving arm 23 to move in the reverse direction to return to the initial position, and to ensure that the first elastic end 241 and the pressing surface of the driving arm 23 are re-formed The first interval.
  • the first elastic end 241 is connected to the pressing surface of the driving arm 23, and a second interval is formed between the second elastic end 242 and the pressing surface of the housing 21.
  • the interval of the second interval is L0.
  • the first elastic end 241 may be connected to the pressing surface of the driving arm 23 by bonding, or may be connected to the pressing surface of the driving arm 23 by magnetic attraction.
  • the connection may also be realized in other ways. The example does not limit this.
  • the reverse elastic force of the elastic reset member 24 drives the driving arm 23 to move in the reverse direction to return to the initial position, and to ensure that the second elastic end 242 and the pressure-bearing surface of the housing 21 are re-formed The second interval.
  • the side wall of the elastic reset member 24 and the fixing member are movably connected, a first gap is formed between the first elastic end 241 and the pressing surface of the driving arm 23, and at the same time, the second elastic end 242 is connected to the housing A second gap is formed between the pressure-bearing surfaces of 21.
  • first interval and the second interval can both be L0.
  • first interval and the second interval can also be other values, and the first interval and the second interval can be the same, or It can be different.
  • the driving arm 23 when the driving arm 23 is not pressed, the driving arm 23 is not affected by the reverse elastic force of the elastic reset member 24; when the driving arm 23 is pressed and the rotation stroke is the sum of the first interval and the second interval Under the cooperation of the second elastic end 242 blocked by the pressing surface of the housing 21, the pressing surface of the driving arm 23 starts to compress the elastic reset member 24 until the driving arm 23 is pressed to the limit position.
  • the reverse elastic force of the elastic reset member 24 drives the driving arm 23 to move in the reverse direction to return to the initial position, and to ensure that the first elastic end 241 and the pressing surface of the driving arm 23 are re-formed In the first interval, a second interval is also formed between the second elastic end 242 and the pressure-bearing surface of the housing 21.
  • the elastic return of the side wall 24 are three ways movable connection, then each of these three ways are described.
  • the power generating mechanism 22 may include a magnetic member 221, the fixed member is a magnetic member 221, the magnetic member 221 is located on the first side of the drive arm 23, and the elastic reset member 24 is located on the second side of the drive arm 23 , The first side is opposite to the second side; the side wall of the elastic restoring member 24 abuts against the side wall of the second side of the driving arm 23 through the adsorption between the elastic return member 24 and the magnetic member 221.
  • the elastic resetting member 24 and the driving arm 23 as a whole move synchronously at the second interval.
  • the second elastic end 242 of the elastic resetting member 24 is in contact with the pressure-bearing surface of the housing 21 .
  • the elastic reset member 24 and the driving arm 23 slide relatively, and the relative sliding distance is the first interval.
  • the first elastic end 241 of the elastic reset member 24 is in contact with the pressing surface of the driving arm 23.
  • the pressing surface of the driving arm 23 begins to compress the elastic reset member 24 until the driving arm 23 is pressed to the limit position.
  • the reverse elastic force of the elastic resetting member 24 drives the driving arm 23 to move in the reverse direction to return to the initial position, and at the same time, the elastic resetting member 24 rebounds to act on the pressing surface of the driving arm 23
  • the reverse force ensures that a first gap is re-formed between the first elastic end 241 and the pressing surface of the driving arm 23, and the magnetic member 221 attracts the side wall of the elastic reset member 24 to hinder the elastic reset member
  • the movement of 24 can ensure that the second elastic end 242 and the pressure-bearing surface of the housing 21 re-form a second interval.
  • the driving arm 23 has a second mounting cavity 232 surrounded by a side wall and a bottom surface on the first side, and the magnetic member 221 is located in the second mounting cavity 232 so as to pass through the second mounting cavity 232.
  • the magnetic member 221 supports.
  • the second installation cavity 232 may be a cavity with an opening on one side, or may be a cavity with openings on two adjacent sides.
  • the self-power generation module 2 may further include a gusset 29 that is buckled with the driving arm 23 and encapsulates the magnetic member 221 in the second installation cavity 232.
  • the magnetic element 221 is enclosed in the second mounting cavity 232 by the buckle 29, which can prevent the magnetic element 221 from being separated from the driving arm 23.
  • the gusset 29 may have a planar structure, and when the second installation cavity 232 has cavities with adjacent two sides open, the gusset may have an L-shaped structure.
  • the fixing member is the side wall of the driving arm 23, and the self-power generation module 2 further includes a first elastic stretching member 25, and the first end of the first elastic stretching member 25 is fixed to the side wall of the driving arm 23 Connected, the second end of the first elastic stretching member 25 is fixedly connected with the side wall of the elastic restoring member 24.
  • the first elastic stretching member 25 may be a tensile rubber band, of course, it may also be other elastic stretching members and the like.
  • the elastic restoring member 24 can be integrated with the driving arm 23 when the elastic restoring member 24 is not affected by external force.
  • the elastic restoring member 24 can move in a direction close to the pressing surface of the driving arm 23.
  • the elastic resetting member 24 and the driving arm 23 as a whole move synchronously at the second interval.
  • the second elastic end 242 of the elastic resetting member 24 is in contact with the pressure-bearing surface of the housing 21 .
  • the pressure-bearing surface of the housing 21 supports the second elastic end 242.
  • the pressing surface of the driving arm 23 is close to the first elastic end 242.
  • the end 241 moves in the direction and the moving distance is the first interval
  • the first elastic end 241 is in contact with the pressing surface of the driving arm 23.
  • the pressing surface of the driving arm 23 begins to compress the elastic reset member 24 until the driving arm 23 is pressed to the limit position.
  • the reverse elastic force of the elastic restoring member 24 drives the driving arm 23 to move in the reverse direction to return to the initial position.
  • the elastic restoring member 24 is hoisted by the first elastic stretching member 25, Ensure that the second elastic end 242 and the pressure-bearing surface of the housing 21 re-form a second interval, and the gravity of the elastic restoring member 24 sags to ensure that the first elastic end 241 and the pressure-bearing surface of the drive arm 23 are renewed. Form the first interval.
  • the housing 21 has a support frame 211 extending upward on the pressure-bearing surface, and the fixing member is the support frame 211;
  • the self-power generation module 2 further includes a second elastic stretching member 26, a second elastic stretching member The first end of the second elastic stretching member 26 is fixedly connected to the support frame 211, and the second end of the second elastic stretching member 26 is fixedly connected to the side wall of the elastic restoring member 24.
  • the elastic restoring member 24 and the support frame 211 on the housing 21 are elastically connected by the second elastic stretching member 26, when the elastic restoring member 24 is not subjected to external force, the elastic restoring member 24 can be integrated with the housing 21 .
  • the elastic restoring member 24 can stretch the second elastic stretching member 26 to move in a direction close to the pressure-bearing surface of the housing 21.
  • the driving arm 23 moves at a first interval, and the first elastic end 241 is in contact with the pressing surface of the driving arm 23 at this time. Later, when the driving arm 23 continues to be pressed, the driving arm 23 and the elastic reset member 24 can stretch the second elastic stretching member 26 as a whole, and at the same time move in the direction of the pressure-bearing surface of the housing 21, at the first moving distance At two intervals, the second elastic end 242 is in contact with the pressure-bearing surface of the housing 21. Then when the driving arm 23 continues to be pressed, the pressing surface of the driving arm 23 begins to compress the elastic reset member 24 until the driving arm 23 is pressed to the limit position.
  • the reverse elastic force of the elastic restoring member 24 drives the driving arm 23 to move in the reverse direction to return to the initial position.
  • the elastic restoring member 24 is lifted by the second elastic stretching member 26, Ensure that the second elastic end 242 and the pressure-bearing surface of the housing 21 re-form a second interval, and the gravity of the elastic restoring member 24 sags to ensure that the first elastic end 241 and the pressure-bearing surface of the drive arm 23 are renewed. Form the first interval.
  • the self-power generation module further includes a first magnet 27 and a second magnet 28; the first magnet 27 is fixed on the side of the driving arm 23 opposite to the pressing surface, and the second magnet 28 is fixed on On the side of the housing 21 opposite to the pressure-bearing surface; in the relaxed state of the elastic reset member 24, the driving arm 23 abuts against the housing 21 by the adsorption between the first magnet 27 and the second magnet 28.
  • the positioning of the driving arm 23 may also be achieved by the magnetic member 221 included in the power generating mechanism 22 described above.
  • the elastic reset member 24, the housing 21 and the power generating mechanism 22 will be respectively explained in detail below.
  • the elastic return member 24 may be a compression spring.
  • the free length of the compression spring should be less than the maximum distance between the pressure surface of the drive arm 23 and the pressure surface of the housing 21, that is, the drive arm 23 abuts The distance between the pressing surface of the drive arm 23 and the pressing surface of the housing 21 when the upper shell wall of the housing 21 is located. This can reduce the operating force when the drive arm 23 is initially pressed.
  • the free length of the compression spring may be in the range of 3.5-6 mm.
  • the free length of the compression spring can also be other values, as long as it can ensure that the driving arm 23 has a certain idle stroke when it is compressed, which is not limited in the embodiment of the present application.
  • a compression spring with a larger elastic coefficient can be used to increase the reaction of the compression spring after being compressed. To elasticity. In this way, the driving arm 23 can be urged to return to the initial position under the action of the increased reverse elastic force.
  • the elastic coefficient can be determined by the pitch of the compression spring, and the elastic coefficient can also be determined by the number of turns of the compression spring. Of course, the elastic coefficient can also be determined by other parameters.
  • the greater the pitch of the compression spring and the greater the helix angle the greater the elastic coefficient.
  • the number of turns of the compression spring can be any value from 2 to 3.5 turns.
  • the number of turns of the compression spring may be 3 turns.
  • the elastic return member 24 may be a torsion spring.
  • the spring body included in the torsion spring can be sleeved on the pivot shaft between the driving arm 23 and the housing 21, between the first torsion arm included in the torsion spring and the pressing surface of the driving arm 23, and the second torsion spring included A gap is formed in at least one place between the torsion arm and the pressure-receiving surface of the housing 21.
  • the torsion angle of the torsion spring in the free state is smaller than the maximum angle between the pressure surface of the drive arm 23 and the pressure surface of the housing 21, that is, the drive arm 23 abuts against the upper shell wall of the housing 21 At this time, the angle between the pressing surface of the driving arm 23 and the pressing surface of the housing 21. This can ensure that there is a gap between the first torsion arm and the pressure surface of the driving arm 23, and between the second torsion arm and the pressure surface of the housing 21, thereby reducing the initial pressure of the driving arm 23. Operating force when pressed.
  • the driving arm 23 has a first mounting cavity 231 surrounded by a pressing surface and a second side wall, and a first elastic end 241 It may be located in the first installation cavity 231.
  • the installation space of the elastic reset member 24 can be increased, thereby ensuring more selectivity when selecting the elastic reset member 24.
  • the first elastic end 241 is limited in the first installation cavity 231, so as to avoid lateral deviation or bending of the elastic reset member 24 when it is compressed.
  • the second mounting cavity 232 is closer to the pivot end of the driving arm 23. That is, in the direction from the driving end of the driving arm 23 to the pivoting end, the first mounting cavity 231 and the second mounting cavity 232 may be arranged in sequence.
  • the second mounting cavity 232 can also be farther away from the pivot end of the driving arm 23. That is, in the direction from the driving end of the driving arm 23 to the pivoting end, the second mounting cavity 232 and the first mounting cavity 231 may be arranged in sequence.
  • the housing 21 may be a structure for accommodating the remaining components included in the self-powered module 2, and is generally made of insulating materials, and its shape and composition may be determined according to actual needs.
  • the power generation mechanism 22, the drive arm 23, and the elastic reset member 24 included in the self-power generation module 2 may all be arranged in the housing 21.
  • the self-powered module 2 further includes other components, the other components may also be arranged in the housing 21.
  • the driving end of the driving arm 23 can extend out of the housing 21 so as to apply a force to the driving end of the driving arm 23 to drive the driving arm 23 to rotate.
  • the drive arm 23 can also be all arranged in the housing 21.
  • a through hole is provided on the shell wall of the housing 21 opposite to the pressure-bearing surface. A force is applied to the driving end of the driving arm 23 through the through hole.
  • the housing 21 has a positioning post 214 extending upward from the bottom, and the second elastic end 242 is sleeved on Positioning on the post 214.
  • the positioning post 214 can position the second elastic end 242 to prevent the compression spring from laterally deviating or bending when compressed by the driving arm 23.
  • the positioning pillar 214 may be obtained by extending upward from the area where the pressure bearing surface of the housing 21 is located.
  • the housing 21 may include a base 215 and a module cover 216.
  • the module cover 216 is provided separately from the base 215 and can be buckled and fixed with the base 215, and the driving arm 23 can be pivoted. Connected to the base 215.
  • the module cover 216 can be buckled on the base 215 by means of covering.
  • the module cover 216 may be provided with a buckle 2161
  • the base 215 is provided with a buckle slot (not shown) that cooperates with the buckle 2161
  • the module cover 216 is buckled with the buckle on the base 215 through the buckle 2161 Groove snap-fit connection.
  • the housing 21 includes a base 215 and a module cover 216
  • the pressure-bearing surface of the housing 21 is located on the base 215, and the above-described positioning post 214 may be formed by extending upward from the bottom of the base 215.
  • the housing 21 includes a base 215 and a module cover 216
  • the base 215, the power generation mechanism 22, the drive arm 23, and the elastic reset member 24 may constitute a power generation component, that is, the self-power generation module 2 may include power generation Component and module cover 216.
  • the power generating mechanism 22 may further include an induction coil 222 and a yoke 223.
  • the induction coil 222 surrounds the core portion of the yoke 223, and one of the magnetic member 221 and the yoke 223 is fixed to the driving arm 23. The other one is fixed in the housing 21.
  • the magnetic member 221 and the yoke 223 form a first magnetic conductive circuit; when the driving arm 23 rotates to the second limit position opposite to the first limit position, the magnetic member 221 A second magnetic permeable circuit is formed with the yoke 223, and the directions of the magnetic lines of force in the core portion of the first magnetic permeable circuit and the second magnetic permeable circuit are opposite.
  • the first limit position may refer to the initial position when the driving arm 23 is not pressed.
  • the second extreme position may refer to the end position of the driving arm 23 after being pressed.
  • the yoke 223 may be closer to the pivot end of the driving arm 23 than the magnetic element 221. That is, in the direction from the driving end of the driving arm 23 to the pivoting end, the magnetic member 221 and the yoke 223 may be arranged in sequence.
  • the driving arm 23 moves relative to the housing 21, thereby realizing the relative movement of the magnetic member 221 and the yoke 223.
  • the induction coil 222 surrounds the core part of the yoke 223, the magnetic field lines generated by the magnetic element 221 move relative to the induction coil 222 to cut the induction coil 222, thereby causing the induction coil 222 to generate an induced electromotive force, and thereby make the induction coil 222 in the loop Generate induced current to realize the function of self-generation.
  • the yoke 223 may include a first sub-yoke 2231 and a second sub-yoke 2232, and the first sub-yoke 2231 includes a first sub-yoke
  • the second sub yoke 2232 includes a second sub yoke body 22321 and a second sub yoke extending from the second sub yoke body 22321
  • the iron core 22322, the first sub iron core 22312 and the second sub iron core 22322 constitute the iron core part of the yoke 223.
  • the magnetic member 221, the first sub-yoke body 22311, the first sub-core 22312 and the second sub-core 22322 form a first magnetic circuit; when the driving arm 23 is rotated to In the second extreme position, the magnetic element 221, the first sub-core 22312, the second sub-core 22322, and the second sub-yoke body 22321 form a second magnetic conductive circuit.
  • first sub yoke 2231 and the second sub yoke 2232 have the same structure to facilitate common use.
  • the first sub yoke 2231 and the second sub yoke 2232 are both U-shaped.
  • the end of the magnetic member 221 close to the first sub yoke 2231 is the N pole
  • the end of the magnetic member 221 close to the second sub yoke 2232 is the S pole
  • the end close to the first sub yoke 2231 is The S pole
  • the end close to the second sub-yoke 2232 is the N pole.
  • the second sub-yoke body 22321 may be provided with a supporting chuck 2233, and the bottom of the base 215 is provided with a supporting chuck 2233 With the mating buckle 2151, the supporting buckle 2233 is buckled with the buckle 2151, so as to realize the fixed connection between the second sub-yoke 2232 and the housing 21.
  • the number of the supporting chuck 2233 and the buckle 2151 corresponds to the setting position, and the number of the supporting chuck 2233 and the buckle 2151 is not limited.
  • the second sub-yoke 2232 Since the second sub-yoke 2232 is fastened to the base 215, the first sub-core 22312 and the second sub-core 22322 pass through the induction coil 222 at the same time, so that the second sub-yoke 2232, the induction coil 222, and the first sub-yoke 2231 They are connected to each other as a whole and fixed on the base 215.
  • the driving arm 23 when the yoke 223 includes a first sub-yoke 2231 and a second sub-yoke 2232, when the driving arm 23 is compressed, the driving arm 23 is initially not affected by the elastic reset member when the driving arm 23 is compressed. 24 is hindered by the reverse elastic force, so that the driving arm 23 only needs to overcome the attraction force between the magnetic member 221 and the first sub-yoke 2231.
  • the driving arm 23 can continue to return to the initial position under the action of the adsorption force between the magnetic member 221 and the first sub-yoke 2231, and at the same time make
  • the driving arm 23 has no pre-pressure on the elastic reset member 24, so that at least one of the first elastic end 241 and the pressing surface of the driving arm 23, and between the second elastic end 242 and the pressure bearing surface of the housing 21 is formed Space, so as to facilitate the next pressing operation of the driving arm 23.
  • the magnetic member 221 includes a magnetic steel 2211, a first armature 2212 and a second armature 2213 that are adsorbed on the magnetic steel 2211 and are respectively located on opposite sides of the magnetic steel 2211.
  • the magnetic steel 2211, the first armature 2212, the second armature 2213 and the yoke 223 form a closed first magnetic circuit;
  • the magnetic steel 2211, the first armature 2212, the second armature 2213 and the yoke 223 form a closed second magnetic conductive circuit.
  • the magnet 2211 when the drive arm 23 is not pressed down, that is, when it is in the first limit position, the magnet 2211 can be adsorbed by the first armature 2212 and the yoke 223, so that the drive arm 23 has no pressure on the elastic reset member 24; When the arm 23 is pressed, the first armature 2212 is separated from the yoke 223. When the driving arm 23 is pressed to the end position, that is, at the second extreme position, the magnet 2211 is adsorbed to the yoke 223 through the second armature 2213 . Since the driving arm 23 can form a closed first magnetic circuit at the first extreme position and a closed second magnetic circuit at the second extreme position, the first magnetic circuit and the second magnetic circuit can be avoided. The occurrence of magnetic flux leakage in the circuit improves the power generation effect of the self-power generation module 2.
  • the second armature 2213 is adsorbed against the bottom of the magnet 2211, and the first armature 2212 is adsorbed against the top of the magnet 2211 , And then the buckle plate 29 is buckled with the driving arm 23 to encapsulate the magnet 2211, the first armature 2212, and the second armature 2213 in the second mounting cavity 232, so that the magnet 2211, the first armature 2212, and the second armature 2213 Stably fixed on the driving arm 23.
  • the magnetic member 221 may also be directly the magnetic steel 2211, excluding the first armature 2212 and the second armature 2213. In this way, when the driving arm 23 is at the first extreme position or the second extreme position, the magnet 2211 is directly attracted to the yoke 223.
  • the power generating mechanism 22 may further include a coil bobbin 224 sleeved on the core part, and the induction coil 222 is wound on the coil bobbin 224.
  • the coil bobbin 224 sheathed in the core part facilitates the assembly of the induction coil 222, thereby improving the production efficiency of the self-power generation module 2.
  • the magnetic steel 2211, the first armature 2212 and the second armature 2213 move with the rotation of the driving arm 23.
  • the driving arm 23 is not pressed, that is, when it is in the first limit position, the first armature 2212 is attracted to the first sub-yoke 2231, and the magnetic line of induction of the magnet 2211 passes through the first armature 2212 and the first sub-yoke in turn
  • the iron body 22311, the first sub-core 22312, the second sub-core 22322, and the second armature 2213 form a first magnetic circuit.
  • the magnetic field lines in the induction coil 222 are from right to left; under the action of the driving force P
  • the driving arm 23 continues to rotate to the end position, that is, when it is in the second extreme position, the second armature 2213 is attracted to the second sub-yoke 2232, and the magnetic field lines of the magnet 2211 pass through the first armature 2212 and the first sub-yoke in turn
  • the iron core 22312, the second sub-core 22322, the second sub-yoke body 22321, and the second armature 2213 form a second magnetic circuit.
  • the magnetic field lines in the induction coil 222 are from left to right.
  • the magnetic fields passing through the induction coil 222 have the same magnitude and opposite directions, and an induced electromotive force can be generated in the induction coil 222, thereby generating an induced current in the loop where the induction coil 222 is located.
  • the controlled device can be controlled to perform corresponding actions (such as controlling the work of a doorbell, a lamp or other loads).
  • the driving arm 23 After the pressing of the driving arm 23 is cancelled, the driving arm 23 returns to the initial state under the action of the reverse elastic force of the elastic return member 24, and the driving arm 23 is attracted to the first sub-yoke 2231 by the magnetic steel 2211.
  • the driving arm 23 can also generate an induced electromotive force and an induced current in the induction coil 222 in the same direction and opposite to the last generated during the reset process.
  • the embodiment of the present application also provides a wireless control switch, including a button 1, the self-power generation module 2 described above, and a fixing frame 3.
  • the self-power generation module 2 is installed on the fixing frame 3, and the button 1 is covered by the self-power generation module 2.
  • the button 1 is used to drive the driving arm 23 to rotate so that the power generating mechanism 22 generates electricity.
  • the button 1 is pivotally connected to the self-generating module 2 or can be pivotally connected to the fixing frame 3.
  • the drive arm 23 of the self-generation module 2 is not subject to the reverse elastic force of the elastic reset member 24 when it is initially pressed, the initial operating force of the drive arm 23 is effectively reduced. Therefore, the above-mentioned self-power generation is set in the wireless control switch. Module 2 can make the operating force required for pressing the button 1 smaller.
  • the button 1 of the wireless control switch is usually pivotally connected to the fixing frame 3
  • the button 1 needs to be detached from the fixing frame 3 first, and the fixing frame After 3 is fixed to the wall, the button 1 and the fixing frame 3 are reassembled to form a pivot connection, and at the same time, the button 1 and the self-generation module 2 are re-aligned.
  • the button 1 is cumbersome to disassemble and assemble, which makes it difficult to install the wireless control switch.
  • the wireless control switch provided by the embodiment of the present application not only reduces the operating force required for pressing the button 1, but also solves the difficulty in installing the wireless control switch due to the complicated disassembly and assembly of the button 1 during the installation of the wireless control switch in the related art. problem.
  • the button 1 includes an inner button 11 and an outer button 12, the inner button 11 is pivotally connected; the outer button 12 is detachably fixed on the inner button 11, and is covered with a self-powered module 2, wherein When the outer button 12 is pressed, pressure is applied to the inner button 11 to drive the driving arm 23 to rotate through the inner button 11.
  • the outer button 12 due to the detachable connection of the inner button 11 and the outer button 12, when the wireless control switch is fixed, the outer button 12 only needs to be detached from the inner button 11, and the fixing frame 3 can be fixed. On the wall, then install the outer button 12 on the inner button 11. There is no need to disassemble the inner button 11, so that there is no need to destroy the assembly relationship of the inner button 11, thus greatly reducing the difficulty of disassembly and assembly, making the installation of the wireless control switch simple and convenient for users to install the wireless control switch. At the same time, since the user does not need to disassemble the inner button 11, the inner button 11 and the self-powered module 2 are assembled stably, which ensures reliable transmission between the inner button 11 and the self-powered module 2, and improves the switching performance.
  • the number of self-powered modules 2 corresponds to the number of inner buttons 11, and the number of inner buttons 11 corresponds to the number of outer buttons 12.
  • the number of outer buttons 12 is one, that is, the wireless control switch is a single-control switch; when the number of outer buttons 12 is two or more, that is, the wireless control switch is a dual-control switch or a multi-control switch.
  • the wireless control switch shown in FIG. 2 is a three-control switch, and the number of outer buttons 12 provided therein is three, the number of inner buttons 11 is three, and the number of self-generation modules 2 is three.
  • the self-powered module 2 when assembling the wireless control switch, can be installed on the fixed frame 3 first, and then the inner button 11 can be pivotally connected to the self-powered module 2 or the fixed frame 3, and then the The outer button 12 is detachably fixed on the inner button 11.
  • the self-powered module 2 When the self-powered module 2 is installed on the fixed frame, in some embodiments, the self-powered module 2 can be buckled on the fixed frame 3.
  • the self-powered module 2 can be quickly fixed on the fixed frame 3 without using fasteners, which facilitates the installation of the self-powered module 2;
  • the self-power generation module 2 is removed from the fixing frame 3, which makes the disassembly of the self-power generation module 2 easier and more convenient, and facilitates the replacement of the self-power generation module 2.
  • the housing 21 of the self-powered module 2 includes a base 215, the fixing frame 3 is provided with a clamping block 32, and the clamping block 32 is provided with a clamping hole 321.
  • the base 215 is provided with The clamping base 2152 matched with the clamping hole 321 is clamped into the clamping hole 321, so that the self-generation module 2 is fixed on the fixing frame 3.
  • the fixed installation of the self-generating module 2 and the fixing frame 3 can also be realized in other ways.
  • the power generating mechanism 22 included in the self-powered module 2 can be assembled on the base 215 to obtain the power generating component, and then the power generating component can be installed on the fixed frame 3. At this time, the power generation component can be directly installed on the fixing frame 3. Since the power generation components are universal modules, there is no need to distinguish the structure of the power generation components. After all the power generation components of the self-power generation modules 2 are installed in the fixed frame 3, the module cover 216 is then covered with the power generation components, which is beneficial to the standardization of production within the enterprise, thereby improving Productivity.
  • the power generation component is a universal module, the power generation component does not need to be covered with the module cover 216 before being installed in the fixing frame 3, so as to avoid the occurrence of multiple self-power generation modules 2 due to the structural difference of the module cover 216, and there is no need for the self-power generation module 2 Carry out classified management to facilitate the internal production and inventory management of the enterprise, thereby reducing the cost of production management.
  • the inner button 11 is pivotally connected to the self-power generation module 2 or the fixing frame 3.
  • the inner button 11 is pivotally connected to the self-powered module 2, which not only simplifies the structure of the fixing frame 3, but also ensures that the assembly of the inner button 11 is free from assembly errors of the self-powered module 2 and the fixing frame 3 The influence of the assembly error on the assembly of the inner button 11 is reduced, so that the inner button 11 and the self-power module 2 rotate more stably and reliably, ensure the normal operation of the self-power module 2 and improve the performance of the switch.
  • the inner button 11 is pivotally connected to the housing 21. In this way, the connection between the inner button 11 and the self-generation module 2 can be realized by fixing the inner button 11 and the housing 21.
  • one of the housing 21 and the inner button 11 is provided with a shaft hole 212
  • the other is provided with a shaft 111 corresponding to the shaft hole 212
  • the end of the shaft 111 is located in the shaft hole 212 .
  • the rotation of the through-rotating shaft 111 in the shaft hole 212 realizes the pivotal connection between the inner button 11 and the housing 21.
  • one of the module cover 216 and the inner button 11 may be provided with a shaft hole 212, and the other may be provided with a rotating shaft 111 corresponding to the shaft hole 212.
  • the shaft hole 212 may be provided on the module cover 216, the rotating shaft 111 is provided on the inner button 11, and the inner button 11 is pivotally connected with the shaft hole 212 of the module cover 216 through the rotating shaft 111.
  • a shaft hole 212 may be provided on the inner button 11, and a rotating shaft 111 may be provided on the module cover 216 to realize the pivotal connection between the inner button 11 and the module cover 216.
  • connection between the inner button 11 and the fixing frame 3 can be the same as that between the inner button 11 and the self-powered module 2 described above.
  • the connection modes are the same or similar, which is not limited in the embodiment of the present application.
  • the fixing frame 3 may be provided with a shaft hole, and the inner button 11 is provided with a rotating shaft 111, and the two ends of the rotating shaft 111 respectively enter the shaft holes to realize the pivotal connection between the inner button 11 and the fixing frame 3.
  • the inner button 11 needs to be snap-connected with the driving arm 23 to drive the driving arm 23 to rotate when the inner button 11 is pressed, so as to realize the power generation of the self-power module 2.
  • the inner button 11 is provided with a connecting post 113
  • the connecting post 113 is provided with a card slot 1131
  • the driving end of the driving arm 23 is locked into the card slot 1131 to realize the connection between the driving arm 23 and the inner button 11.
  • This not only facilitates the connection between the driving arm 23 and the inner button 11, but also prevents the inner button 11 from tilting and shaking left and right during the pressing process, thereby preventing the outer button 12 and the fixing frame 3 from scratching or two adjacent outer buttons 12
  • the outer button 12 When the outer button 12 is detachably installed on the inner button 11, in some embodiments, the outer button 12 can be buckled on the inner button 11, so that the outer button 12 can be easily installed on the inner button 11 and the outer button 12 Remove from the inner button 11 to facilitate the installation of the wireless control switch. In addition, the outer button 12 can also be fixed on the inner button 11 in other detachable manners.
  • the fixing frame 3 has a fixing hole 31, and the housing 21 is provided with a first through hole 213 at a position corresponding to the fixing hole 31, and an inner button 11 is provided with a second via hole 112 at a position corresponding to the first via hole 213, wherein the second via hole 112, the first via hole 213 and the fixing hole 31 can be passed through by a fastener in sequence.
  • the installation of the wireless control switch is realized by the fastener.
  • the number of fixing holes 31 is two
  • the two housings 21 near the edge of the fixing frame 3 are respectively provided with first through holes 213 corresponding to the fixing holes 31, and the two inner buttons 11 near the edge of the fixing frame 3 are respectively provided
  • first via 213 provided on the housing 21 may be provided on the module cover 216, and of course, may also be provided on the base 215.
  • the outer button 12 can cover the second via hole 112 on the inner button 11, the first via hole 31 on the housing 21, and the fixing hole 31 on the fixing frame 3. , In order to improve the aesthetics of the wireless control switch.
  • the outer button 12 when the wireless control switch is fixedly installed on the wall, the outer button 12 is removed from the inner button 11, and the fasteners are sequentially passed through the second through hole 112 and the housing 21 on the inner button 11 The first through hole 213 on the upper part and the fixing hole 31, and then tighten the fastener on the mounting surface to fix the fixing frame 3 to the wall, and then buckle the outer button 12 to the inner button 11 to complete the wireless control Fixing of the switch.
  • the working principle of the wireless control switch is as follows: when the outer button 12 is not pressed, the driving arm 23 is in an unpressed state, the first armature 2212 is attracted to the first sub-yoke 2231, and the magnetic steel 2211 The magnetic field lines pass through the first armature 2212, the first sub-yoke body 22311 of the first sub-yoke 2231, the core part, and the second armature 2213 to form a magnetic circuit.
  • the magnetic field lines in the induction coil 222 are from right to left
  • the outer button 12 exerts a driving force on the inner button 11
  • the inner button 11 exerts a driving force on the driving arm 23, so that the inner button 11 and the driving arm 23 rotate synchronously.
  • the magnet 2211 , The first armature 2212 and the second armature 2213 move with the rotation of the driving arm 23 until the driving arm 23 swings down to the limit position, the driving arm 23 compresses the elastic reset member 24, the second armature 2213 and the second sub-yoke 2232
  • the magnetic field lines of the magnet 2211 pass through the first armature 2212, the core part, the second sub-yoke body 22321 of the second sub-yoke 2232, and the second armature 2213 in turn to form a magnetic circuit.
  • the induction coil 222 The lines of magnetic force inside are from left to right.
  • the driving arm 23 passes through the induction coil 222 in the two states of the same size and opposite directions when it is not under pressure and when it is under pressure, induced electromotive force and induced current can be generated in the induction coil 222.
  • the controlled device can be controlled to perform corresponding actions, such as controlling doorbells, lights or other loads.
  • the driving arm 23 returns to the initial state under the action of the restoring force of the elastic reset member 24, thereby driving the inner button 11 and the outer button 12 to reset.
  • the self-power generation module 2 when the self-power generation module 2 is applied to a wireless control switch, the above embodiment only introduces one structure of the self-power generation module 2. Of course, the self-power generation module 2 may also have another structure.
  • the wireless control switch provided by the embodiment of the present application is provided with an inner button and an outer button, the inner button is pivotally connected to the self-powered module or the fixing frame, and the outer button is detachably fixed on the inner button.
  • the wireless control switch is fixedly installed, only the outer button is removed from the inner button, the fixing frame is fixed to the wall, and the outer button is fixed to the inner button to complete the fixed installation of the wireless control switch.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Telephone Set Structure (AREA)

Abstract

L'invention concerne un module de production d'auto-alimentation (2) et un commutateur de commande sans fil, le module de production d'auto-alimentation (2) comprenant : un boîtier (21), un mécanisme de production d'énergie (22), un bras d'entraînement (23) et un élément élastique de remise à l'état initial (24). Le mécanisme de production d'énergie (22) se trouve dans le boîtier (21) ; le bras d'entraînement (23) est relié en pivot au boîtier (21) et relié au mécanisme de production d'énergie (22) ; et le bras d'entraînement (23) est conçu pour interagir avec l'élément élastique de remise à l'état initial (24) et pour amener le mécanisme de production d'énergie (22) à générer de l'électricité en tournant. L'élément élastique de remise à l'état initial (24) se trouve entre le bras d'entraînement (23) et le boîtier (21) tandis que dans l'état relâché de l'élément élastique de remise à l'état initial (24), un espace est formé entre une première extrémité élastique (241) et une surface d'application de pression, d'une part, et entre une seconde extrémité élastique (242) et une surface de résistance à la pression, d'autre part. Le bras d'entraînement (23) n'est soumis à aucune force élastique opposée de l'élément élastique de remise à l'état initial (24) dans l'état initial de soumission à la pression, c'est-à-dire que dans l'état initial, il n'est pas gêné par l'élément élastique de remise à l'état initial (24), ce qui réduit efficacement la force initiale d'actionnement du bras d'entraînement (23), afin que le bras d'entraînement (23) auquel est appliqué le module de production d'auto-alimentation (2) nécessite une faible force d'actionnement lors de sa mise sous pression.
PCT/CN2020/088947 2019-09-17 2020-05-07 Module de production d'auto-alimentation et commutateur de commande sans fil WO2021051823A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201910875032.9A CN110690804B (zh) 2019-09-17 2019-09-17 一种自发电模块及无源无线开关
CN201910875088.4 2019-09-17
CN201910875032.9 2019-09-17
CN201910875088.4A CN110706963A (zh) 2019-09-17 2019-09-17 一种无线控制开关

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WO2021051823A1 true WO2021051823A1 (fr) 2021-03-25

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CN110690804A (zh) * 2019-09-17 2020-01-14 宁波公牛电器有限公司 一种自发电模块及无源无线开关
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CN206135679U (zh) * 2016-09-12 2017-04-26 佛山市顺德区海得曼电器有限公司 微小发电装置
CN207398006U (zh) * 2017-09-08 2018-05-22 宁波公牛电器有限公司 一种无源无线翘板开关
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AU2021440425B2 (en) * 2021-04-15 2024-02-08 Wenjing Wu Self-powered device

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