CN110676078B - High-power electronic switch based on stepping motor control - Google Patents
High-power electronic switch based on stepping motor control Download PDFInfo
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- CN110676078B CN110676078B CN201911070360.8A CN201911070360A CN110676078B CN 110676078 B CN110676078 B CN 110676078B CN 201911070360 A CN201911070360 A CN 201911070360A CN 110676078 B CN110676078 B CN 110676078B
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- 229920003023 plastic Polymers 0.000 claims abstract description 31
- 239000004033 plastic Substances 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims description 21
- 230000003068 static effect Effects 0.000 claims description 18
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 17
- 229910052709 silver Inorganic materials 0.000 claims description 17
- 239000004332 silver Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
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- 230000002349 favourable effect Effects 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 abstract description 30
- 239000012634 fragment Substances 0.000 abstract description 9
- 230000002441 reversible effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
- H01H2003/266—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor having control circuits for motor operating switches, e.g. controlling the opening or closing speed of the contacts
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- Switch Cases, Indication, And Locking (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
In order to solve the problems that the driving force of the traditional electronic switch is smaller and the requirement of a protection box of the traditional electronic switch is higher, the invention provides a high-power electronic switch based on stepping motor control, which comprises: the electronic switch main body and the fixed box 8, the electronic switch main body includes the conductive shell fragment of super thick current-carrying stationary contact 1, the conductive shell fragment of super thick current-carrying movable contact 2, L shape conductive shell fragment fixed plate 3, PCB board 5, plastics base 6, its characterized in that: the stepping motor 4 is electrically connected with the PCB 5, the stepping motor 4 is electrically connected with the Hall element 45, the Hall element 45 is electrically connected with the PCB 5, a power line of the PCB 5 can be electrically connected with a load, the number of the L-shaped conductive spring fixing plates 3 is at least two, and the two L-shaped conductive spring fixing plates 3 are respectively fixed on the first surface of the plastic base 6.
Description
The invention belongs to the technical field of timers, and particularly relates to a high-power electronic switch based on stepper motor control.
Background
Most of the traditional electronic switches are mainly controlled by relays, and the volume of the relays is relatively small, so that the power is relatively small, and the power of the traditional electronic switches is 2HP (HP is horsepowe for short, chinese horsepower) at most in general. The traditional electronic switch is mainly applied to loads such as a driving motor, the power requirement on the electronic switch is larger and larger along with the increase of the load, and when the load is increased to a certain degree, the traditional electronic switch cannot be driven, so that the load which can be driven by the electronic switch is limited. Furthermore, the conventional electronic switch is directly placed in the protection box, so that the requirement on the protection box is high.
Disclosure of Invention
In order to solve the problems that the driving force of the traditional electronic switch is smaller and the requirement of a protection box of the traditional electronic switch is higher, the invention provides a high-power electronic switch based on stepping motor control, which does not adopt a traditional relay control structure, but adopts a Hall element to control the forward rotation and the reverse rotation of a motor shaft of the stepping motor, thereby driving a swing arm on the motor shaft of the stepping motor to forward rotate and reverse rotate, and driving a super-thick current-carrying movable contact conductive spring piece to move, thereby realizing the contact and separation with the super-thick current-carrying stationary contact conductive spring piece. By adopting the structure, the power adjustment of the electronic switch can be improved to more than 5HP from 2HP, the capacity of the electronic switch for driving a load is greatly improved, and meanwhile, the small size of the electronic switch is maintained. Meanwhile, the fixing shell is arranged outside the main body of the electronic switch, so that the main body of the whole electronic switch is fixed in the fixing shell, the shape of the whole electronic switch becomes more regular, the electronic switch is convenient to use, the electronic switch can be used independently in a common environment, the protective shell can be additionally arranged in a severe environment for use, the requirement on the protective shell is simpler, the matching shape is not required for customization, and the protective shell universal in the market is used.
A stepper motor control-based high power electronic switch, comprising: the electronic switch main body and the fixed box 8, the electronic switch main body includes the conductive shell fragment of super thick current-carrying stationary contact 1, the conductive shell fragment of super thick current-carrying movable contact 2, L shape conductive shell fragment fixed plate 3, PCB board 5, plastics base 6, its characterized in that: the electric motor comprises a PCB (printed circuit board) 5, a stepping motor 4 and a Hall element 45, wherein the stepping motor 4 is electrically connected with the PCB 5, the Hall element 45 is electrically connected with the PCB 5, a power line of the PCB 5 can be electrically connected with a load, the number of L-shaped conductive spring fixing plates 3 is at least two, the two L-shaped conductive spring fixing plates 3 are respectively fixed on a first surface of a plastic base 6, one end of a super-thick current-carrying static contact conductive spring 1 is fixed on one of the L-shaped conductive spring fixing plates 3 through a screw, a first silver contact 11 is arranged at the free end of the super-thick current-carrying static contact conductive spring 1, one end of the super-thick current-carrying movable contact conductive spring 2 is fixed on the other L-shaped conductive spring fixing plate 3 through a screw, a second silver contact 21 is arranged at the free end of the super-thick current-carrying movable contact conductive spring 2, a limit bulge 22 is arranged at the middle position of the super-thick current-carrying movable contact conductive spring 2, the stepping motor 4 is fixed on the plastic base 6, the outer part of a motor shaft 43 of the stepping motor is sleeved with a limit bulge 44, the motor shaft 44 can abut against the motor shaft 44 in the rotating process of the plastic base 43, and the super-thick current-carrying static contact 1 is in a state of being separated from the first current-carrying movable contact 2 when the super-thick current-carrying movable contact 2 is in a state of the super-thick contact 2, and the super-thick current-conducting contact is in a state of the super-thick contact 2 is in a state of being stressed contact 442; the fixed box 8 comprises a side surface and a top surface, the side surface is composed of two opposite rectangles, one surface of the rectangle is fixedly connected with the top surface, a second fence 84 is arranged on the plane, close to the side surface, of the top surface, the second fence 84 and the side surface form a circle of protection fence for fixing the stepping motor 4 and the line pressing terminal fence 86 and protecting the stepping motor and the line pressing terminal fence 86 therein, the line pressing terminal fence 86 penetrates through the line pressing terminal 7, a circular fixing hole 85 is formed in the top surface, the position of the circular fixing hole 85 is located right above the line pressing terminal fence 86, a rectangular fixing hole 87 is formed in the side surface, the rectangular fixing hole 87 is located right below the line pressing terminal fence 86, a plurality of positioning posts 88 are arranged on the top surface and used for matching with the positioning posts on the plastic base 6, and the electronic switch main body and the fixed box 8 can be fixedly connected.
Further, a fire-proof switch 54 is soldered on the surface of the PCB 5.
Furthermore, the limiting protruding portion 22 adopts a diamond structure, so that the swing arm 44 can just abut against the limiting protruding portion 22, and drives the extra-thick current-carrying movable contact conductive spring sheet 2 to rotate by taking a screw at one end as a fulcrum.
Further, a first wire pressing terminal 71 is arranged at a first free end 12 of the L-shaped conductive spring fixing plate connected with the extra-thick current-carrying fixed contact conductive spring plate 1, a fourth wire pressing terminal 74 is arranged at a second free end 23 of the L-shaped conductive spring fixing plate connected with the extra-thick current-carrying movable contact conductive spring plate 2, a zero wire and a fire wire are respectively connected with the second wire pressing terminal 72 and the third wire pressing terminal 73, the positions of the zero wire and the fire wire can be interchanged, and the zero wire and the fire wire are respectively connected with the PCB 5 and are used for providing power for an electronic switch; the plastic base 6 is also provided with two metal sheets, one ends of the two metal sheets are respectively connected with the PCB 5 through a zero line and a fire line, the other ends of the two metal sheets are respectively provided with a second line pressing terminal 72 and a third line pressing terminal 73, the positions of the zero line and the fire line can be interchanged through the zero line and the fire line in the second line pressing terminal and the third line pressing terminal respectively, and the zero line and the fire line are connected with a power supply of a load.
Further, the number of the circular fixing holes 85 on the fixing box 8 is four, namely, the first circular fixing hole 851, the second circular fixing hole 852, the third circular fixing hole 853 and the fourth circular fixing hole 854, the number of the rectangular fixing holes 87 is also four, namely, the first rectangular fixing hole 871, the second rectangular fixing hole 872, the third rectangular fixing hole 873 and the fourth rectangular fixing hole 874, the first circular fixing hole 851, the first rectangular fixing hole 871, the first wire pressing terminal 71 and the wire pressing terminal fence 86 are in one-to-one correspondence, and the other circular fixing holes 85, the rectangular fixing holes 87, the wire pressing terminal 7 and the wire pressing terminal fence 86 are in one-to-one correspondence.
Further, the stepper motor 4 is electrically connected with the PCB 5 through the first control wire 41, the free end of the first control wire 41 is provided with a first connection terminal 42, the first connection terminal 42 can be inserted into the connection socket 51, the hall element 45 is electrically connected with the PCB 5 through the second control wire 46, the free end of the second control wire 46 is provided with a second connection terminal 47, the second connection terminal 47 can be inserted into the connection socket 51, and the connection socket 51 is fixed on the PCB in a welding manner.
Further, the swing arm 44 includes a central cylinder and a protrusion structure located on one side of the central cylinder to facilitate the toggling of the limit bump portion 22.
Further, the PCB 5 is connected to the key 52, the key 52 is used for inputting signals, the PCB sends signals to the hall element 45 and the stepper motor 4, and the hall element 45 controls the forward and reverse rotation of the stepper motor 4, so as to realize the on and off of the circuit in the switch.
Further, the PCB board 5 is connected with the WIFI signal indicating ring 53, and is used for displaying whether the electronic switch is successfully connected to the WIFI signal.
Further, in order to increase the stability of the extra-thick current-carrying static contact conductive elastic sheet 1, a first additional fixing block 61 and a second additional fixing block 62 are respectively added on two sides of the rising portion of the extra-thick current-carrying static contact conductive elastic sheet 1; in order to increase the stability of the extra-thick current-carrying movable contact conductive spring plate 2, a third additional fixing block 63 and a fourth additional fixing block 64 are respectively added on both sides of the raised portion of the extra-thick current-carrying movable contact conductive spring plate 2.
Further, two screw holes are formed in the main body of the stepper motor 4, so that the main body of the stepper motor 4 can be fixed on one surface of the plastic base 6, and the motor shaft 43 of the stepper motor 4 is located on the other surface of the plastic base 6, which is beneficial to saving space.
Further, a first fence 67 is arranged on the surface, far away from the top surface of the fixed box 8, of the plastic base 6, the first fence 67 surrounds the main body of the stepper motor 4, a first line card 65 and a second line card 66 are respectively arranged at two ends of the first fence 67, the first line card 65 and the second line card 66 can penetrate through a first control line 41 of the stepper motor 4, and therefore the first control line 41 of the stepper motor 4 can be isolated and protected through the first fence 67, and the first control line 41 is tidy.
Further, a circular through hole 81 is formed on the top surface of the fixed box 8, so as to pass through the key 52, and the key 52 can be pressed or ejected in the circular through hole 81; be equipped with WIFI perforation 82 on the top surface of fixed box 8 for WIFI signal indication circle can imbed wherein.
Further, the high-power electronic switch based on the stepping motor control as described above further includes the protective case 9, the protective case 9 includes the upper cover 91 and the lower cover 92, the first fixing shaft 911 and the second fixing shaft 912 are provided on the side surface of the upper cover 91, the first shaft sleeve 921 and the second shaft sleeve 922 are provided on the side surface of the lower cover 92, the first fixing shaft 911 passes through the first shaft sleeve 921, the second fixing shaft 912 passes through the second shaft sleeve 922, and the first fixing shaft 911 and the second fixing shaft 912 synchronously rotate in the first shaft sleeve 921 and the second shaft sleeve 922, so that the upper cover 91 and the lower cover 92 can be opened and closed, the other side surface of the upper cover 91 is provided with the buckle frame 913, and the other side surface of the lower cover 92 is provided with the buckle 923, and when the upper cover 91 and the lower cover 92 are closed, the buckle 923 passes through the buckle frame 913 and is fixed.
Further, a plurality of clamping grooves 924 and clamping hooks 925 are formed in the inner side face of the lower cover 92 of the protective shell 9 and can be clamped and fixed with the concave area 89 outside the side face of the fixed box 8, and a plurality of screw column fixing holes 926 are formed in the inner surface of the bottom face of the lower cover 92 of the protective shell 9 and are used for being connected with screw columns on the surface, far away from the fixed box 8, of the plastic base 6, so that the whole electronic switch can be fixed inside the protective shell 9.
Further, the lower cover 92 of the protective housing 9 is provided with a plurality of knockable holes for passing through the control line, so that the high-power electronic switch controlled by the stepper motor can be suitable for outdoor environments.
The working principle of the high-power electronic switch based on the control of the stepping motor is as follows: in the first working mode, the key 52 sends a signal to the PCB 5, the PCB 5 sends a signal to the control stepper motor 4 and the hall element 45 through the first control line 41 and the second control line 46, so that the hall element 45 controls the stepper motor 4 to rotate forward or backward, the swing arm 44 sleeved outside the motor shaft 43 of the stepper motor 4 moves from the first position 441 to the second position 442, at this time, the swing arm 44 drives the limit protruding portion 22 of the extra thick current-carrying movable contact conductive spring sheet 2 to move, so that the second silver contact 21 of the extra thick current-carrying movable contact conductive spring sheet 2 can contact with the first silver contact 11 of the extra thick current-carrying stationary contact conductive spring sheet 1, at this time, the whole electronic switch is turned on, the control line connected with the fourth voltage line terminal 74 inputs a control signal, and the control line connected with the first voltage line terminal 71 outputs a control signal, so that the load starts working;
In another working mode, the key 52 sends a signal to the PCB 5, the PCB 5 sends a signal to the control stepper motor 4 and the hall element 45 through the first control line 41 and the second control line 46, so that the hall element 45 controls the stepper motor 4 to rotate reversely or positively, the swing arm 44 sleeved outside the motor shaft 43 of the stepper motor 4 moves from the second position 442 to the first position 441, at this time, the swing arm 44 drives the limit protruding portion 22 of the extra thick current-carrying movable contact conductive spring sheet 2 to move, so that the second silver contact 21 of the extra thick current-carrying movable contact conductive spring sheet 2 can be separated from the first silver contact 11 of the extra thick current-carrying stationary contact conductive spring sheet 1, at this time, the circuit of the whole electronic switch is disconnected, the control line connected with the fourth wire pressing terminal 74 inputs a control signal, and the control line connected with the first wire pressing terminal 71 outputs a control signal, so that the load is no longer working.
Therefore, the stepping motor and the Hall element are adopted to control the movement of the super-thick current-carrying contact conductive spring plate to replace the original relay, so that the volume of the electronic switch is basically unchanged, but the maximum power of the electronic switch is greatly improved. The silver contact is adopted, so that the conductivity can be improved, the service life of the electronic switch can be prolonged, the power of the electronic switch can be improved, and meanwhile, the electronic switch has regular outer surface and can be suitable for various application occasions.
Drawings
Fig. 1 is an exploded view of a high power electronic switch based on stepper motor control.
Fig. 2 is an exploded view of a high power electronic switch based on stepper motor control.
Fig. 3 is an exploded view of a high power electronic switch based on stepper motor control.
Fig. 4 is an exploded view of a high power electronic switch based on stepper motor control.
Fig. 5 is an exploded view of a high power electronic switch based on stepper motor control.
Fig. 6 is a schematic structural view of the electronic switch body.
Fig. 7 is a schematic structural view of the electronic switch body.
Fig. 8 is a schematic structural view of the electronic switch body.
Fig. 9 is a schematic structural view of the electronic switch body.
Fig. 10 is a schematic structural view of the electronic switch body.
Fig. 11 is a schematic structural view of the electronic switch body.
Description of the main reference signs
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
Specific embodiment case 1:
As shown in fig. 1 to 4, the explosion diagrams of the high-power electronic switch based on the control of the stepping motor are schematic structural diagrams of the electronic switch main body as shown in fig. 6 to 11. A stepper motor control-based high power electronic switch, comprising: the electronic switch main body and the fixed box 8, the electronic switch main body includes the conductive shell fragment of super thick current-carrying stationary contact 1, the conductive shell fragment of super thick current-carrying movable contact 2, L shape conductive shell fragment fixed plate 3, PCB board 5, plastics base 6, its characterized in that: the electric motor comprises a PCB (printed circuit board) 5, a stepping motor 4and a Hall element 45, wherein the stepping motor 4 is electrically connected with the PCB 5, the Hall element 45 is electrically connected with the PCB 5, a power line of the PCB 5 can be electrically connected with a load, the number of L-shaped conductive spring fixing plates 3 is at least two, the two L-shaped conductive spring fixing plates 3 are respectively fixed on a first surface of a plastic base 6, one end of a super-thick current-carrying static contact conductive spring 1 is fixed on one of the L-shaped conductive spring fixing plates 3 through a screw, a first silver contact 11 is arranged at the free end of the super-thick current-carrying static contact conductive spring 1, one end of the super-thick current-carrying movable contact conductive spring 2 is fixed on the other L-shaped conductive spring fixing plate 3 through a screw, a second silver contact 21 is arranged at the free end of the super-thick current-carrying movable contact conductive spring 2, a limit bulge 22 is arranged at the middle position of the super-thick current-carrying movable contact conductive spring 2, the stepping motor 4 is fixed on the plastic base 6, the outer part of a motor shaft 43 of the stepping motor is sleeved with a limit bulge 44, the motor shaft 44 can abut against the motor shaft 44 in the rotating process of the plastic base 43, and the super-thick current-carrying static contact 1 is in a state of being separated from the first current-carrying movable contact 2 when the super-thick current-carrying movable contact 2 is in a state of the super-thick contact 2, and the super-thick current-conducting contact is in a state of the super-thick contact 2 is in a state of being stressed contact 442; the fixed box 8 comprises a side surface and a top surface, the side surface is composed of two opposite rectangles, one surface of the rectangle is fixedly connected with the top surface, a second fence 84 is arranged on the plane, close to the side surface, of the top surface, the second fence 84 and the side surface form a circle of protection fence for fixing the stepping motor 4and the line pressing terminal fence 86 and protecting the stepping motor and the line pressing terminal fence 86 therein, the line pressing terminal fence 86 penetrates through the line pressing terminal 7, a circular fixing hole 85 is formed in the top surface, the position of the circular fixing hole 85 is located right above the line pressing terminal fence 86, a rectangular fixing hole 87 is formed in the side surface, the rectangular fixing hole 87 is located right below the line pressing terminal fence 86, a plurality of positioning posts 88 are arranged on the top surface and used for matching with the positioning posts on the plastic base 6, and the electronic switch main body and the fixed box 8 can be fixedly connected.
A fireproof switch 54 is welded on the surface of the PCB 5; the limiting bulge 22 adopts a diamond structure, so that the swing arm 44 can just prop against the limiting bulge 22 and drive the super-thick current-carrying movable contact conductive spring plate 2 to rotate by taking a screw at one end as a fulcrum; the first free end 12 of the L-shaped conductive spring piece fixing plate connected with the extra-thick current-carrying static contact conductive spring piece 1 is provided with a first wire pressing terminal 71, the second free end 23 of the L-shaped conductive spring piece fixing plate connected with the extra-thick current-carrying movable contact conductive spring piece 2 is provided with a second wire pressing terminal 72, the second wire pressing terminal 72 and the third wire pressing terminal 73 are respectively connected with a zero wire and a live wire, the positions of the zero wire and the live wire can be interchanged, and the zero wire and the live wire are respectively connected with the PCB 5 and are used for providing power for an electronic switch; the plastic base 6 is also provided with two metal sheets, one ends of the two metal sheets are respectively connected with the PCB 5 through a zero line and a fire line, the other ends of the two metal sheets are respectively provided with a second line pressing terminal 72 and a third line pressing terminal 73, the positions of the zero line and the fire line can be interchanged through the zero line and the fire line in the second line pressing terminal and the third line pressing terminal respectively, and the zero line and the fire line are connected with a power supply of a load. The number of the circular fixing holes 85 on the fixing box 8 is four, namely a first circular fixing hole 851, a second circular fixing hole 852, a third circular fixing hole 853 and a fourth circular fixing hole 854, the number of the rectangular fixing holes 87 is also four, namely a first rectangular fixing hole 871, a second rectangular fixing hole 872, a third rectangular fixing hole 873 and a fourth rectangular fixing hole 874, the first circular fixing hole 851, the first rectangular fixing hole 871, the first wire pressing terminal 71 and the wire pressing terminal fence 86 are in one-to-one correspondence, and the other circular fixing holes 85, the rectangular fixing holes 87, the wire pressing terminal 7 and the wire pressing terminal fence 86 are in one-to-one correspondence.
The stepping motor 4 is electrically connected with the PCB 5 through a first control wire 41, a first wiring terminal 42 is arranged at the free end of the first control wire 41, the first wiring terminal 42 can be inserted into a wiring socket 51, the Hall element 45 is electrically connected with the PCB 5 through a second control wire 46, a second wiring terminal 47 is arranged at the free end of the second control wire 46, the second wiring terminal 47 can be inserted into the wiring socket 51, and the wiring socket 51 is fixed on the PCB in a welding mode; the swing arm 44 includes a central cylinder and a raised structure on one side of the central cylinder to facilitate toggling of the limit bump 22.
The PCB 5 is connected with the key 52, the key 52 is used for inputting signals, the PCB sends signals to the Hall element 45 and the stepping motor 4, and the Hall element 45 controls the forward and reverse rotation of the stepping motor 4, so that the on and off of a circuit in the switch are realized. The PCB 5 is connected with the WIFI signal indicating ring 53 and is used for displaying whether the electronic switch is smoothly connected with the WIFI signal.
In order to increase the stability of the extra-thick current-carrying static contact conductive elastic sheet 1, a first additional fixing block 61 and a second additional fixing block 62 are respectively added on two sides of the rising part of the extra-thick current-carrying static contact conductive elastic sheet 1; in order to increase the stability of the extra-thick current-carrying movable contact conductive spring plate 2, a third additional fixing block 63 and a fourth additional fixing block 64 are respectively added on both sides of the raised portion of the extra-thick current-carrying movable contact conductive spring plate 2.
The main body of the stepper motor 4 is provided with two screw holes, so that the main body of the stepper motor 4 can be fixed on one surface of the plastic base 6, and the motor shaft 43 of the stepper motor 4 is positioned on the other surface of the plastic base 6, thereby being beneficial to saving space.
The surface of the plastic base 6 far away from the top surface of the fixed box 8 is provided with a first fence 67, the first fence 67 surrounds the main body of the stepper motor 4, two ends of the first fence 67 are respectively provided with a first line card 65 and a second line card 66, and the first line card 65 and the second line card 66 can pass through a first control line 41 of the stepper motor 4, so that the first control line 41 of the stepper motor 4 can be isolated and protected through the first fence 67, and the first control line 41 is tidy. A circular through hole 81 is formed in the top surface of the fixed box 8, the circular through hole 81 is used for penetrating the key 52, and the key 52 can be pressed or ejected in the circular through hole 81; be equipped with WIFI perforation 82 on the top surface of fixed box 8 for WIFI signal indication circle can imbed wherein.
Specific embodiment case 2:
As shown in fig. 5, an exploded view of a high power electronic switch based on stepper motor control is shown. The difference from embodiment 1 is that the high-power electronic switch based on the stepping motor control further includes a protective case 9, the protective case 9 includes an upper cover 91 and a lower cover 92, a first fixing shaft 911 and a second fixing shaft 912 are provided on the side of the upper cover 91, a first shaft sleeve 921 and a second shaft sleeve 922 are provided on the side of the lower cover 92, the first fixing shaft 911 passes through the first shaft sleeve 921, the second fixing shaft 912 passes through the second shaft sleeve 922, and the first fixing shaft 911 and the second fixing shaft 912 synchronously rotate in the first shaft sleeve 921 and the second shaft sleeve 922, so that the upper cover 91 and the lower cover 92 can be opened and closed, a buckle frame 913 is provided on the other side of the upper cover 91, and a buckle 923 is provided on the other side of the lower cover 92, and when the upper cover 91 and the lower cover 92 are closed, the buckle 923 passes through the buckle frame 913 and is fixed.
The inner side surface of the lower cover 92 of the protective housing 9 is provided with a plurality of clamping grooves 924 and clamping hooks 925 which can be clamped and fixed with the concave area 89 outside the side surface of the fixed box 8, and the inner surface of the bottom surface of the lower cover 92 of the protective housing 9 is provided with a plurality of screw column fixing holes 926 which are used for being connected with screw columns on the surface, far away from the fixed box 8, of the plastic base 6, so that the whole electronic switch can be fixed inside the protective housing 9.
The lower cover 92 of the protective housing 9 is provided with a plurality of knockable holes for passing through the control line, so that the high-power electronic switch based on the control of the stepping motor can be suitable for outdoor environments.
In summary, the working principle of the high-power electronic switch based on stepper motor control in the embodiment 1 and the embodiment 2 is as follows: in the first working mode, the key 52 sends a signal to the PCB 5, the PCB 5 sends a signal to the control stepper motor 4 and the hall element 45 through the first control line 41 and the second control line 46, so that the hall element 45 controls the stepper motor 4 to rotate forward or backward, the swing arm 44 sleeved outside the motor shaft 43 of the stepper motor 4 moves from the first position 441 to the second position 442, at this time, the swing arm 44 drives the limit protruding portion 22 of the extra thick current-carrying movable contact conductive spring sheet 2 to move, so that the second silver contact 21 of the extra thick current-carrying movable contact conductive spring sheet 2 can contact with the first silver contact 11 of the extra thick current-carrying stationary contact conductive spring sheet 1, at this time, the whole electronic switch is turned on, the control line connected with the fourth voltage line terminal 74 inputs a control signal, and the control line connected with the first voltage line terminal 71 outputs a control signal, so that the load starts working;
In another working mode, the key 52 sends a signal to the PCB 5, the PCB 5 sends a signal to the control stepper motor 4 and the hall element 45 through the first control line 41 and the second control line 46, so that the hall element 45 controls the stepper motor 4 to rotate reversely or positively, the swing arm 44 sleeved outside the motor shaft 43 of the stepper motor 4 moves from the second position 442 to the first position 441, at this time, the swing arm 44 drives the limit protruding portion 22 of the extra thick current-carrying movable contact conductive spring sheet 2 to move, so that the second silver contact 21 of the extra thick current-carrying movable contact conductive spring sheet 2 can be separated from the first silver contact 11 of the extra thick current-carrying stationary contact conductive spring sheet 1, at this time, the circuit of the whole electronic switch is disconnected, the control line connected with the fourth wire pressing terminal 74 inputs a control signal, and the control line connected with the first wire pressing terminal 71 outputs a control signal, so that the load is no longer working.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A stepper motor control-based high power electronic switch, comprising: the electronic switch main body comprises an extra-thick current-carrying static contact conductive spring piece (1), an extra-thick current-carrying movable contact conductive spring piece (2), an L-shaped conductive spring piece fixing plate (3), a PCB (printed circuit board) 5 and a plastic base (6), and is characterized in that: the device also comprises a stepping motor (4) and a Hall element (45), wherein the stepping motor (4) is electrically connected with the PCB (5), the stepping motor (4) is electrically connected with the Hall element (45), the Hall element (45) is electrically connected with the PCB (5), a power line of the PCB (5) can be electrically connected with a load, the number of the L-shaped conductive spring piece fixing plates (3) is at least two, the two L-shaped conductive spring piece fixing plates (3) are respectively fixed on the first surface of the plastic base (6), one end of the extra-thick current-carrying static contact conductive spring piece (1) is fixed on one of the L-shaped conductive spring piece fixing plates (3) through a screw, a first silver contact (11) is arranged at the free end of the extra-thick current-carrying static contact conductive elastic sheet (1), one end of the extra-thick current-carrying movable contact conductive elastic sheet (2) is fixed on the other L-shaped conductive elastic sheet fixing plate (3) through a screw, a second silver contact (21) is arranged at the free end of the extra-thick current-carrying movable contact conductive elastic sheet (2), a limiting convex part (22) is arranged at the middle position of the extra-thick current-carrying movable contact conductive elastic sheet (2), a stepping motor (4) is fixed on a plastic base (6), a swing arm (44) is sleeved outside a motor shaft (43) of the stepping motor (4), the swing arm (44) can prop against the limiting convex part (22) in the rotating process of the motor shaft (43), when the swing arm (44) is positioned at the first position (441), the extra-thick movable contact conductive spring piece (2) is in an unstressed state, the extra-thick movable contact conductive spring piece (2) is in a separated state from the extra-thick movable contact static contact conductive spring piece (1), the whole circuit of the switch is disconnected, and when the swing arm (44) is positioned at the second position (442), the second silver contact (21) of the extra-thick movable contact conductive spring piece (2) is stressed to be in contact with the first silver contact (11) of the extra-thick movable contact static contact conductive spring piece (1), and the whole circuit of the switch is conducted; the fixed box (8) comprises a side face and a top face, the side face is formed by two opposite rectangles, one face of each rectangle is fixedly connected with the top face, a second fence (84) is arranged on a plane, close to the side face, of the top face, the second fence (84) and the side face form a circle of protection fence, the protection fence is used for fixing and protecting a stepping motor (4) and a line pressing terminal fence (86), the line pressing terminal fence (86) internally penetrates through a line pressing terminal (7), a circular fixing hole (85) is formed in the top face, the position of the circular fixing hole (85) is located right above the line pressing terminal fence (86), a rectangle fixing hole (87) is formed in the side face, the rectangle fixing hole (87) is located right below the line pressing terminal fence (86), and a plurality of positioning posts (88) are arranged on the top face and are used for matching with the positioning posts on the plastic base (6), and the electronic switch main body and the fixed box (8) can be fixedly connected.
2. The stepper motor control-based high power electronic switch as defined in claim 1, wherein: the surface of the PCB (5) is welded with a fireproof switch (54).
3. The stepper motor control-based high power electronic switch as defined in claim 1, wherein: the limiting bulge part (22) adopts a diamond structure, so that the swing arm (44) can just prop against the limiting bulge part (22) and drive the super-thick current-carrying movable contact conductive elastic sheet (2) to rotate by taking a screw at one end as a fulcrum; the swing arm (44) includes a central cylinder and a bump structure, and the bump structure is located in one side of the central cylinder, is favorable to stirring spacing protruding portion (22).
4. The stepper motor control-based high power electronic switch as defined in claim 1, wherein: the first free end (12) of the L-shaped conductive spring piece fixing plate connected with the extra-thick current-carrying static contact conductive spring piece (1) is provided with a first line pressing terminal (71), the second free end (23) of the L-shaped conductive spring piece fixing plate connected with the extra-thick current-carrying movable contact conductive spring piece (2) is provided with a second line pressing terminal (72), the first line pressing terminal (71) and the fourth line pressing terminal (74) are respectively connected with a zero line and a fire line, the positions of the zero line and the fire line can be interchanged, and the zero line and the fire line are respectively connected with the PCB (5) and are used for providing power for an electronic switch; the plastic base (6) is also provided with two metal sheets, one ends of the two metal sheets are respectively connected with the PCB (5) through a zero line and a fire line, the other ends of the two metal sheets are respectively provided with a second line pressing terminal (72) and a third line pressing terminal (73), the positions of the zero line and the fire line can be interchanged through the zero line and the fire line in the second line pressing terminal and the third line pressing terminal respectively, and the zero line and the fire line are connected with a power supply of a load; the number of the round fixing holes (85) on the fixing box (8) is four, the number of the rectangular fixing holes (87) is also four, and the round fixing holes (85), the rectangular fixing holes (87), the wire pressing terminals (7) and the wire pressing terminal fences (86) are uniformly and correspondingly arranged.
5. The stepper motor control-based high power electronic switch of claim 1, wherein: the stepping motor (4) is electrically connected with the PCB (5) through a first control wire (41), a first wiring terminal (42) is arranged at the free end of the first control wire (41), the first wiring terminal (42) can be inserted into a wiring socket (51), the Hall element (45) is electrically connected with the PCB (5) through a second control wire (46), a second wiring terminal (47) is arranged at the free end of the second control wire (46), the second wiring terminal (47) can be inserted into the wiring socket (51), and the wiring socket (51) is fixed on the PCB in a welding mode.
6. The stepper motor control-based high power electronic switch of claim 1, wherein: the PCB (5) is connected with the keys (52), and the PCB (5) is connected with the WIFI signal indicating ring (53); the top surface of the fixed box (8) is provided with a circular perforation (81) for penetrating through the key (52), and the key (52) can be pressed or ejected in the circular perforation (81); be equipped with WIFI perforation (82) on the top surface of fixed box (8) for WIFI signal indication circle can imbed wherein.
7. The stepper motor control-based high power electronic switch of claim 1, wherein: a first additional fixed block (61) and a second additional fixed block (62) are respectively added on two sides of the rising part of the extra-thick current-carrying static contact conductive elastic sheet (1); in order to increase the stability of the extra-thick current-carrying movable contact conductive elastic sheet (2), a third additional fixing block (63) and a fourth additional fixing block (64) are respectively added on two sides of the rising part of the extra-thick current-carrying movable contact conductive elastic sheet (2).
8. The stepper motor control-based high power electronic switch of claim 1, wherein: two screw holes are formed in the main body of the stepping motor (4), the main body of the stepping motor (4) can be fixed on one surface of the plastic base (6), and a motor shaft (43) of the stepping motor (4) is located on the other surface of the plastic base (6).
9. The stepper motor control-based high power electronic switch of claim 1, wherein: the surface of keeping away from fixed box (8) top surface of plastics base (6) is equipped with first rail (67), and the main part of first rail (67) with step motor (4) is surrounded wherein, and the both ends of first rail (67) are equipped with first line card (65) and second ply-yarn drill (66) respectively, can pass first control line (41) of step motor (4) in first line card (65) and second ply-yarn drill (66).
10. The stepper motor control-based high power electronic switch of claim 1, wherein: the novel multifunctional portable electronic device comprises a protective shell (9), and is characterized in that the protective shell (9) comprises an upper cover (91) and a lower cover (92), a first fixed shaft (911) and a second fixed shaft (912) are arranged on the side face of the upper cover (91), a first shaft sleeve (921) and a second shaft sleeve (922) are arranged on the side face of the lower cover (92), the first fixed shaft (911) penetrates through the first shaft sleeve (921), the second fixed shaft (912) penetrates through the second shaft sleeve (922), the first fixed shaft (911) and the second fixed shaft (912) synchronously rotate in the first shaft sleeve (921) and the second shaft sleeve (922), the upper cover (91) and the lower cover (92) can be opened and closed, a buckle frame (913) is arranged on the other side face of the upper cover (91), and a buckle (923) is arranged on the other side face of the lower cover (92), and when the upper cover (91) and the lower cover (92) are closed, the buckle (923) penetrates through the buckle frame (913) and is fixed. The inner side surface of the lower cover (92) of the protective shell (9) is provided with a plurality of clamping grooves (924) and clamping hooks (925) which can be clamped and fixed with a concave area (89) outside the side surface of the fixed box (8), and the inner surface of the bottom surface of the lower cover (92) of the protective shell (9) is provided with a plurality of screw column fixing holes (926) which are used for being connected with screw columns on the surface, far away from the fixed box (8), of the plastic base (6), so that the whole electronic switch can be fixed inside the protective shell (9); the lower cover (92) of the protective shell (9) is provided with a plurality of knockable holes for passing through the control line.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070360.8A CN110676078B (en) | 2019-11-05 | 2019-11-05 | High-power electronic switch based on stepping motor control |
| PCT/CN2020/104849 WO2021088427A1 (en) | 2019-11-05 | 2020-07-27 | Stepper motor control-based high-power electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070360.8A CN110676078B (en) | 2019-11-05 | 2019-11-05 | High-power electronic switch based on stepping motor control |
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| Publication Number | Publication Date |
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| CN110676078A CN110676078A (en) | 2020-01-10 |
| CN110676078B true CN110676078B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911070360.8A Active CN110676078B (en) | 2019-11-05 | 2019-11-05 | High-power electronic switch based on stepping motor control |
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| CN (1) | CN110676078B (en) |
| WO (1) | WO2021088427A1 (en) |
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| CN110676078B (en) * | 2019-11-05 | 2024-05-28 | 宁波海贝电器有限公司 | High-power electronic switch based on stepping motor control |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104217895A (en) * | 2014-08-13 | 2014-12-17 | 东莞市凯恩电子科技有限公司 | Spring-type power failure restoration temperature control switch capable of controlling multiple load circuits |
| CN204442327U (en) * | 2015-02-10 | 2015-07-01 | 徐孝海 | Hall sensitive switch and electronic equipment |
| CN210925778U (en) * | 2019-11-05 | 2020-07-03 | 宁波海贝电器有限公司 | High-power electronic switch based on stepping motor control |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19909591A1 (en) * | 1999-03-04 | 2000-09-07 | Delphi Tech Inc | Security system |
| ES2548576T3 (en) * | 2010-03-04 | 2015-10-19 | Labinal, Llc | Thermally managed electromagnetic switching device |
| CN105609383B (en) * | 2016-03-23 | 2017-10-10 | 德力西电气有限公司 | Breaking-closing operating control device and breaker |
| CN205959809U (en) * | 2016-08-18 | 2017-02-15 | 海盐众信电子有限公司 | Relay |
| CN110381668B (en) * | 2019-08-08 | 2024-04-05 | 宁波海贝电器有限公司 | Novel timer module |
| CN110676078B (en) * | 2019-11-05 | 2024-05-28 | 宁波海贝电器有限公司 | High-power electronic switch based on stepping motor control |
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2019
- 2019-11-05 CN CN201911070360.8A patent/CN110676078B/en active Active
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2020
- 2020-07-27 WO PCT/CN2020/104849 patent/WO2021088427A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104217895A (en) * | 2014-08-13 | 2014-12-17 | 东莞市凯恩电子科技有限公司 | Spring-type power failure restoration temperature control switch capable of controlling multiple load circuits |
| CN204442327U (en) * | 2015-02-10 | 2015-07-01 | 徐孝海 | Hall sensitive switch and electronic equipment |
| CN210925778U (en) * | 2019-11-05 | 2020-07-03 | 宁波海贝电器有限公司 | High-power electronic switch based on stepping motor control |
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| 两路输出的断电复位温控开关设计;卢子忱;马永红;张宗宁;孙洋洋;刘珑龙;;自动化与信息工程;20150215(01);全文 * |
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| WO2021088427A1 (en) | 2021-05-14 |
| CN110676078A (en) | 2020-01-10 |
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