A hand-held power generator and wireless signal transmitter

Abstract

This invention relates to a handheld generator and wireless signal transmitter, belonging to the field of new energy and wireless transmitters. It comprises a housing, a cover, a frame, a pin, a roller, a return spring, a buffer spring, a circuit board, a coil, a magnetic roller, and a magnetic block. The frame has mutually perpendicular wire-mounting frames, frame protrusions, and frame countersunk holes. The cylindrical wire-mounting frames and the frame form a wire-mounting cavity. The pin is a stepped pin, with a magnetic block mounted at its larger end. The cover is mounted on the housing, and the circuit board is mounted on the cover. The cover presses the frame into the housing cavity; a coil is fitted on the frame, and a magnetic roller is installed inside the frame cavity. The magnetic poles of the magnetic roller are distributed radially, and the magnetic roller is located inside the frame cavity and the coil; the magnetic block and the large end of the pin are placed in the frame recess, and the small end of the pin passes through the top wall of the housing; a buffer spring is pressed between the large end of the pin and the top wall of the housing, and a return spring is provided between the magnetic block and the bottom wall of the frame recess; when the magnetic block reciprocates along the axis of the magnetic roller, the magnetic block forces the magnetic roller to rotate, and the coil cuts the magnetic lines of force to generate electricity.

Description

Technical Field

[0001] This invention belongs to the field of new energy and wireless control technology, specifically relating to a handheld generator and wireless signal transmitter for wireless control of industrial equipment, automobiles, access control and home appliances, as well as wireless alarm for emergencies such as earthquakes. Background Technology

[0002] Wireless signal transmitters are an indispensable key element in people's production and daily life, used for controlling instruments and equipment in the industrial field, household appliances, and monitoring and alarm systems in the building and security fields. Traditional wireless signal transmitters are powered by chemical batteries, which become unusable when the batteries are depleted and not replaced in time, and improperly disposed of batteries also pollute the environment. Therefore, various self-powered wireless transmitters based on piezoelectric, electromagnetic, and triboelectric principles have been proposed, such as self-powered light switches. Due to structural and principle limitations, the power generation units used in existing self-powered wireless transmitters have low power generation capacity, requiring multiple power generation accumulations to drive the transmitter. This is insufficient for wireless control of industrial equipment, automobiles, access control systems, and household appliances, as well as for wireless alarms during emergencies such as earthquakes, where single-pulse excitation is needed for long-distance signal transmission. Therefore, many fields urgently need a new type of power generation device that can meet the requirements using single-pulse excitation. Summary of the Invention

[0003] The present invention provides a handheld generator and wireless signal transmitter, which consists of a housing, a cover, a frame, a pin, a roller, a return spring, a buffer spring, a circuit board, a coil, a magnetic roller, and a magnetic block. The circuit board is provided with energy collection, energy management, energy storage, and wireless transmission units.

[0004] In this invention, the axis of the magnetic roller in the pulse generator and wireless signal transmitter is parallel or perpendicular to the direction of movement of the magnetic block. Here, only the embodiment in which the axis of the magnetic roller is parallel to the direction of movement of the magnetic block is given.

[0005] The housing is a rectangular shell with a side opening, meaning the port of the housing cavity is located on the side of the housing, and a pin sleeve hole is provided on the top wall of the housing cavity.

[0006] The frame is equipped with a wire frame, a bracket, and a countersunk hole. The wire frame, bracket, and countersunk hole are located in the thickness, width, and length directions of the frame, respectively. The bracket bracket is an extension of the frame in the width direction. The cross-section of the countersunk hole is square or rectangular. The axis of the countersunk hole is a vertical line, that is, the axis of the countersunk hole is perpendicular to the horizontal plane. The wire frame, bracket, and countersunk hole are perpendicular to each other, that is, the geometric symmetry center lines of the wire frame, bracket, and countersunk hole are perpendicular to each other. The wire frame is a cylindrical structure, and two wire frames are symmetrically arranged on both sides of the frame. The wire frame and the frame form a wire frame cavity. The two opposite side walls of the wire frame cavity are provided with pin grooves. The pin grooves are located on the top and bottom walls of the wire frame cavity, and the ends of the pin grooves face the ends of the wire frame cavity.

[0007] The cover is mounted on the housing, and the cover is installed on the housing by screws or clips. The circuit board is installed on the cover by screws. The cover presses the frame into the housing cavity. The cover presses the frame onto the side wall of the housing cavity opposite to the cover via a bracket protrusion. The bracket protrusion passes through a through hole on the circuit board and abuts against the cover. The end of the frame abuts against the side wall of the housing cavity opposite to it. A coil is fitted on the frame, and a magnetic roller is installed inside the frame cavity. The axis of the coil is perpendicular to the axis of the magnetic roller. The magnetic roller is a magnetic column or cylinder made of permanent magnet. The magnetic roller can roll freely inside the frame cavity. The magnetic poles of the magnetic roller are distributed radially, that is, the magnetic roller is radially magnetized. The magnetic roller is located inside the frame cavity and the coil. The frame separates the magnetic roller and the coil. The coil and the magnetic roller inside it constitute an electromagnetic power generation unit. When the magnetic roller has a cylindrical structure, the magnetic roller is installed in the frame cavity via a rolling pin, and the two ends of the rolling pin are placed in the pin groove.

[0008] The outer edge surface of the magnetic roller is provided with a protective layer, the material of which is nylon, non-ferrous metal, rubber and synthetic fiber, etc.

[0009] The pin is a stepped pin, with a magnetic block installed at the large end of the pin by a screw. The magnetic block is a square or cylindrical prism, and one or two magnetic blocks are installed at the large end of the pin. The magnetic block and the large end of the pin are placed in the countersunk hole of the frame, and the magnetic poles of the magnetic block are distributed axially, that is, the magnetic poles of the magnetic block are continuously in the same direction as the axis of the pin. The small end of the pin passes through the top wall of the housing and passes through the pin sleeve installed on the top wall of housing a. The pin sleeve e is installed on the top wall of the housing by a screw, and one end of the pin sleeve is placed in the pin sleeve hole on the top wall of the housing. A buffer spring is pressed between the large end of the pin and the top wall of housing a, that is, a buffer spring is pressed between the large end of the pin and the pin sleeve. A return spring is provided between the magnetic block and the bottom wall of the countersunk hole of the frame.

[0010] When a single magnetic block is installed at the large end of the pin, the axial length of the magnetic block is 1.5 to 2 times the length of the magnetic roller. The magnetic poles of the magnetic block are arranged longitudinally, that is, the two magnetic poles are arranged along the length of the pin, and the bottom end of the magnetic block is higher than the bottom end of the magnetic roller.

[0011] When two magnetic blocks are installed at the large end of the pin, the axial length of the magnetic block is no more than half the length of the magnetic roller. A pad is provided between the two magnetic blocks. The magnetic poles of the two magnetic blocks are arranged laterally and in opposite directions. Lateral arrangement of magnetic poles means that the two magnetic poles are distributed within the cross-section of the pin. Opposite magnetic pole directions mean that the different magnetic poles of the two magnetic blocks are close to the same magnetic roller. The bottom ends of the two magnetic blocks are flush with the bottom and top ends of the magnetic roller, respectively.

[0012] In this invention, the housing, cover, frame, pin, and roller are all made of non-ferromagnetic materials, including stainless steel, aluminum alloy, copper, and other metals or polymer plastics.

[0013] In this invention, the power generation unit of the power generation and wireless signal transmitter operates in multiple ways: In portable mode, the generator and wireless signal transmitter are held in the hand, and the thumb is used to press the lever to act as a remote control and self-generating power source. In vehicles such as automobiles, the inertial force drive is used when the vehicle is in a carrying state. In this case, an inertial mass block needs to be installed at the end of the pin. The inertial force of the mass block drives the pin when it is impacted, which is used for monitoring and alarming of impacts and vibrations. During fixed installation, the impact of falling objects is used to drive the pin rod using the impact force of free fall, which is used for monitoring and alarming earthquakes, etc. When combined with mechanisms such as doors and windows, the mechanism drives the pin through a motion mechanism for alarm purposes, such as alarms for door and window opening.

[0014] In this invention, the magnetic poles of the magnetic roller are arranged radially. When the magnetic block reciprocates along the axial direction of the magnetic roller with the pin, the overlap length between the two magnetic poles of one magnetic block or the different magnetic poles of two magnetic blocks and the magnetic roller alternates, thereby alternating the form and magnitude of the force between the magnetic block and the magnetic roller. That is, the magnetic block alternately applies attractive and repulsive forces to the magnetic roller, and the magnetic roller alternately experiences rotational torque in two different directions and rolls. When the magnetic roller rolls, the strength of its magnetic poles and the magnetic field passing through the coil alternates. The coil cuts the magnetic lines of force and converts mechanical energy into electrical energy. The generated electrical energy is transmitted to the circuit board through the wires. After conversion and processing, the electrical energy is stored or output to the signal transmission unit.

[0015] Taking a generator and wireless signal transmitter with a single magnetic block as an example, the specific excitation process of the magnetic roller y is as follows: If the N pole of the magnetic block is below the S pole, then when not in operation, the attraction force on the S pole side of the magnetic roller is greater than that on the N pole side, and the S pole of the magnetic roller approaches the magnetic block; during the downward movement of the magnetic block, the attraction force on the S pole side of the magnetic roller gradually decreases, and the attraction force on the N pole side gradually increases. When the attraction force on the S pole side of the magnetic roller is less than that on the N pole side, the magnetic roller will rotate rapidly, bringing the N pole of the magnetic roller closer to the magnetic block; at the same time, when the magnetic block moves from bottom to top, the magnetic roller rotates in the opposite direction, and the S pole of the magnetic roller approaches the magnetic block again.

[0016] In this invention, to obtain better power generation capability, the parameter relationship between the coil and the magnetic roller is: λ=L / D=2±1, δ=T / D=0.6±0.4, η=V / D=2.25±0.75, β=U / D=1.3±0.7, where D is the diameter of the magnetic roller, L is the length of the magnetic roller, T, V and U are the wall thickness, radial width and height of the coil, respectively, and the radial width of the coil refers to the width of the coil along the radial direction of the magnetic roller.

[0017] In this invention, the structure and principle of the electromagnetic power generation unit are completely different from those of existing electromagnetic generators. It uses the linear reciprocating motion of an external magnetic block to force the magnetic roller inside the coil to roll back and forth, thereby changing the magnetic pole direction of the magnetic roller and the magnetic field strength passing through the coil. The coil cuts the magnetic lines of force to generate electricity. The magnetic field change gradient inside the coil caused by the change of the magnetic pole of the magnetic roller is large, so the power generation capacity is strong.

[0018] Advantages and features: Small size and simple structure, easy to carry and install, suitable for one-handed operation to generate electricity; the magnetic field strength passing through the coil is changed by the change of the magnetic pole of the built-in magnet, resulting in strong power generation capability. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the generator and wireless signal transmitter when the magnetic poles of the magnetic block are arranged laterally in a preferred embodiment of the present invention;

[0020] Figure 2 yes Figure 1 AA section view;

[0021] Figure 3 yes Figure 1 BB cross-sectional view;

[0022] Figure 4 This is a schematic diagram of the casing structure in a preferred embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the frame structure in a preferred embodiment of the present invention;

[0024] Figure 6 yes Figure 5 Top view;

[0025] Figure 7 yes Figure 5 The left view;

[0026] Figure 8 This is a schematic diagram of the structure of the generator and wireless signal transmitter when the magnetic poles of the magnetic block are arranged longitudinally in a preferred embodiment of the present invention;

[0027] Figure 9 yes Figure 8 CC section view;

[0028] Figure 10 This is a schematic diagram of the structure of a generator for generating electricity and transmitting wireless signals when the axis of the magnetic roller is perpendicular to the direction of movement of the magnetic block, according to a preferred embodiment of the present invention. Detailed Implementation

[0029] The present invention provides a handheld generator and wireless signal transmitter, which consists of a housing a, a cover b, a frame c, a pin d, a roller pin z, a return spring i, a buffer spring k, a circuit board p, a coil x, a magnetic roller y, and a magnetic block w. The circuit board p is provided with energy harvesting, energy management, energy storage, and wireless transmission units.

[0030] In this invention, the axis of the magnetic roller y in the pulse generator and wireless signal transmitter is parallel or perpendicular to the direction of movement of the magnetic block w. Here, only the embodiment in which the axis of the magnetic roller y is parallel to the direction of movement of the magnetic block w is given.

[0031] The housing a is a rectangular housing with a side opening, that is, the port of the housing cavity a1 is located on the side of the housing a, and the top wall of the housing cavity a1 is provided with a pin sleeve hole a2.

[0032] The frame c1 of the machine frame c is provided with a wire frame c2, a frame protrusion c3, and a frame countersunk hole c4. The wire frame c2, frame protrusion c3, and frame countersunk hole c4 are located in the thickness, width, and length directions of the frame c1, respectively. The frame protrusion c3 is a part of the frame c1 extended in the width direction. The cross-section of the frame countersunk hole c4 is square or rectangular. The axis of the frame countersunk hole c4 is a vertical line, that is, the axis of the frame countersunk hole c4 is perpendicular to the horizontal plane. The wire frame c2, frame protrusion c3, and... The countersunk holes c4 are perpendicular to each other, that is, the geometric symmetry center lines of the frame c2, the frame protrusion c3 and the countersunk holes c4 are perpendicular to each other; the frame c2 is a cylindrical structure, and two frame c2 are symmetrically arranged on both sides of the frame c1. The frame c2 and the frame c1 form a frame cavity c5. The two opposite side walls of the frame cavity c5 are provided with pin grooves c6. The pin grooves c6 are located on the top wall and bottom wall of the frame cavity c5, and the port of the pin groove c6 faces the port of the frame cavity c5.

[0033] Cover b is mounted on housing a. Cover b is installed on housing a by screws or clips. Circuit board p is installed on cover b by screws. Cover b presses frame c into housing cavity a1. Cover b presses frame c into the side wall of housing cavity a1 opposite to cover b via frame protrusion c3. Frame protrusion c3 passes through a through hole on circuit board p and abuts against cover b. The end of frame frame c2 abuts against the side wall of housing cavity a1 opposite to it. Coil x is fitted on frame frame c2. A magnet is installed inside frame cavity c5. The magnetic roller y has its coil axis s perpendicular to the magnetic roller axis t. The magnetic roller y is a magnetic cylinder or magnetic tube made of permanent magnet. The magnetic roller y can roll freely inside the wire frame cavity c5. The magnetic poles of the magnetic roller y are distributed radially, that is, the magnetic roller is radially magnetized. The magnetic roller y is located inside the wire frame cavity c5 and the coil x. The wire frame c2 separates the magnetic roller y and the coil x. The coil x and the magnetic roller y inside it constitute an electromagnetic power generation unit. When the magnetic roller y has a cylindrical structure, the magnetic roller y is installed in the wire frame cavity c5 through the rolling pin z. The two ends of the rolling pin z are placed in the pin groove c6.

[0034] A protective layer is provided on the outer edge surface of the magnetic roller Y. The material of the protective layer is nylon, non-ferrous metal, rubber and synthetic fiber, etc.

[0035] The pin d is a stepped pin. A magnetic block w is installed at the large end of the pin by a screw. The magnetic block w is a square or cylindrical prism. One or two magnetic blocks w are installed at the large end of the pin. The magnetic block w and the large end of the pin are placed in the countersunk hole c4 of the frame. The magnetic poles of the magnetic block w are distributed axially, that is, the magnetic poles of the magnetic block w are continuously in the same direction as the axis of the pin d. The small end of the pin passes through the top wall of the housing a and through the pin sleeve e installed on the top wall of the housing a. The pin sleeve e is installed on the top wall of the housing a by a screw. One end of the pin sleeve e is placed in the pin sleeve hole a2 on the top wall of the housing a. A buffer spring k is pressed between the large end of the pin and the top wall of the housing a, that is, a buffer spring k is pressed between the large end of the pin and the pin sleeve e. A return spring i is provided between the magnetic block w and the bottom wall of the countersunk hole c4 of the frame.

[0036] When a single magnetic block w is installed at the large end of the pin, the axial length of the magnetic block w is 1.5 to 2 times the length of the magnetic roller y. The magnetic poles of the magnetic block w are arranged longitudinally, that is, the two magnetic poles are arranged along the length direction of the pin d. The bottom end of the magnetic block w is higher than the bottom end of the magnetic roller y.

[0037] When two magnetic blocks w are installed at the large end of the pin, the axial length of the magnetic block w is not greater than half the length of the magnetic roller y. A spacer g is provided between the two magnetic blocks w. The magnetic poles of the two magnetic blocks w are arranged laterally and in opposite directions. Lateral arrangement of magnetic poles means that the two magnetic poles are distributed within the cross section of the pin d. Opposite magnetic pole directions mean that the different magnetic poles of the two magnetic blocks w are close to the same magnetic roller y. The bottom ends of the two magnetic blocks w are flush with the bottom and top ends of the magnetic roller y, respectively.

[0038] In this invention, the housing a, the cover b, the frame c, the pin d, and the roller pin z are all made of non-ferromagnetic materials, including stainless steel, aluminum alloy, copper, and other metals or polymer plastics.

[0039] In this invention, the power generation unit of the power generation and wireless signal transmitter operates in multiple ways: In portable mode, the generator and wireless signal transmitter are held in the hand, and the thumb is used to press the lever d to act as a remote control and self-generating power source. When the vehicle is in the carrying state, an inertial mass block needs to be installed at the end of the pin d. The inertial force of the mass block during the impact drives the pin d for the monitoring and alarm of impact and vibration. When fixedly installed, the pin rod d is driven by the impact force of free fall, and is used for monitoring and alarming such as earthquakes; Combined with mechanisms such as doors and windows, the pin d is driven by the movement of the mechanism to provide an alarm for the mechanism's movement.

[0040] In this invention, the magnetic poles of the magnetic roller y are arranged radially. When the magnetic block w reciprocates along the axial direction of the magnetic roller y with the pin d, the overlap length between the two magnetic poles of one magnetic block w or the different magnetic poles of two magnetic blocks w and the magnetic roller y alternates, thereby alternating the form and magnitude of the force between the magnetic block w and the magnetic roller y. That is, the magnetic block w alternately applies attractive and repulsive forces to the magnetic roller y, and the magnetic roller y alternately experiences rotational torques in two different directions and rolls. When the magnetic roller y rolls, the strength of its magnetic poles and the magnetic field passing through the coil x alternately changes. The coil x cuts the magnetic lines of force and converts mechanical energy into electrical energy. The generated electrical energy is transmitted to the circuit board p through the wire. After conversion and processing, the electrical energy is stored or output to the signal transmission unit.

[0041] Taking a single magnetic block w as an example of a generator and wireless signal transmitter, the specific excitation process of the magnetic roller y is as follows: If the N pole of the magnetic block w is below the S pole, then when not in operation, the attraction force on the S pole side of the magnetic roller y from the magnetic block w is greater than the attraction force on the N pole side, and the S pole of the magnetic roller y approaches the magnetic block w; as the magnetic block w moves downward, the attraction force on the S pole side of the magnetic roller y gradually decreases, and the attraction force on the N pole side gradually increases. When the attraction force on the S pole side of the magnetic roller y is less than the attraction force on the N pole side, the magnetic roller y will rotate rapidly, making the N pole of the magnetic roller y approach the magnetic block w; at the same time, when the magnetic block w moves upward, the magnetic roller y rotates in the opposite direction, and the S pole of the magnetic roller y approaches the magnetic block w again.

[0042] In this invention, to obtain better power generation capability, the parameter relationship between coil x and magnetic roller y is as follows: λ=L / D=2±1, δ=T / D=0.6±0.4, η=V / D=2.25±0.75, β=U / D=1.3±0.7, where D is the diameter of magnetic roller y, L is the length of magnetic roller y, T, V and U are the wall thickness, radial width and height of coil x, respectively, and the radial width of coil x refers to the width of coil x along the radial direction of magnetic roller y.

[0043] In this invention, the structure and principle of the electromagnetic power generation unit are completely different from those of existing electromagnetic generators. It uses the linear reciprocating motion of the external magnetic block w to force the magnetic roller y inside the coil x to roll back and forth, thereby changing the magnetic pole direction of the magnetic roller y and the magnetic field strength passing through the coil x. The coil x cuts the magnetic lines of force to generate electricity. The magnetic field gradient inside the coil x caused by the change of the magnetic pole of the magnetic roller y is large, so the power generation capacity is strong.

Claims

1. A hand-held power generator and wireless signal transmitter, which is composed of a casing, a cover, a frame, a pin rod, a rolling pin, a reset spring, a buffer spring, a circuit board, a coil, a magnetic roller and a magnetic block, wherein the casing, the cover, the frame, the pin rod and the rolling pin are made of non-ferromagnetic materials; characterized in that: The magnetic roller axis is parallel to the magnetic block movement direction, the shell is a long rectangular shell with lateral opening, the frame body is provided with mutually perpendicular frame line frame, frame convex block and frame sink hole, the frame line frame is a cylindrical structure, and the frame line frame and the frame body form a line frame cavity; the pin rod is a stepped rod, the pin rod large end is provided with a magnetic block; when a single magnetic block is installed on the pin rod large end, the magnetic pole of the magnetic block is longitudinally arranged, and the bottom end of the magnetic block is higher than the bottom end of the magnetic roller; when two magnetic blocks are installed on the pin rod large end, a spacer is arranged between the two magnetic blocks, the magnetic poles of the two magnetic blocks are transversely arranged and the magnetic pole directions are opposite; the cover is arranged on the shell, the circuit board is arranged on the cover, and the frame is pressed and connected in the shell cavity through the frame convex block; the magnetic block and the pin rod large end are arranged in the frame sink hole, the pin rod small end passes through the top wall of the shell, a buffer spring is pressed and connected between the pin rod large end and the top wall of the shell, a reset spring is arranged between the magnetic block and the bottom wall of the frame sink hole; the coil is sleeved on the frame line frame, the magnetic roller is arranged in the line frame cavity, the coil axis is perpendicular to the magnetic roller axis, the magnetic roller can freely roll in the line frame cavity, and the magnetic poles of the magnetic roller are distributed along the radial direction; the magnetic roller is located inside the line frame cavity and the coil, and the frame line frame separates the magnetic roller and the coil; the parameter relationship between the coil and the magnetic roller is: λ=L / D=2±1, δ=T / D=0.6±0.4, η=V / D=2.25±0.75, β=U / D=1.3±0.7, wherein D is the diameter of the magnetic roller, L is the length of the magnetic roller, T, V and U are respectively the wall thickness, the radial width and the height of the coil, and the radial width of the coil refers to the width of the coil along the radial direction of the magnetic roller; when the pin rod is forced to make the magnetic block reciprocate along the magnetic roller axial direction, the overlapping length of the magnetic poles of the magnetic block and the magnetic roller alternately changes, the magnetic block alternately applies attractive force and repulsive force to the magnetic roller, the magnetic block forces the magnetic roller to rotate, the coil cuts the magnetic lines to generate electricity, and the electric energy is stored or output to the signal transmission unit after conversion and processing. ​

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