CN117997069A - Self-power-generation mobile power supply based on rolling ball induction - Google Patents

Self-power-generation mobile power supply based on rolling ball induction Download PDF

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Publication number
CN117997069A
CN117997069A CN202410143469.4A CN202410143469A CN117997069A CN 117997069 A CN117997069 A CN 117997069A CN 202410143469 A CN202410143469 A CN 202410143469A CN 117997069 A CN117997069 A CN 117997069A
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China
Prior art keywords
self
shell
circuit
power supply
rolling ball
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CN202410143469.4A
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Chinese (zh)
Inventor
张彬
谭智聪
周化安
万琴
张向华
陈卓瑜
李凌顶
吴靖宇
唐俊杰
李瑞萌
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Hunan Institute of Engineering
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Hunan Institute of Engineering
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Priority to CN202410143469.4A priority Critical patent/CN117997069A/en
Publication of CN117997069A publication Critical patent/CN117997069A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the technical field of self-power-generation mobile power supplies, and particularly relates to a self-power-generation mobile power supply based on rolling ball induction. The invention discloses a self-generating mobile power supply based on rolling ball induction, which comprises a power generation bin and a storage battery, wherein springs are arranged at two ends in a tubular shell of the power generation bin, rolling balls are arranged in the middle of the power generation bin, and a magnet group is fixed at the outer side of the shell, so that when the power generation bin moves, the rolling balls roll in the shell to compress the springs, the springs cut magnetic induction lines formed by the magnet group to generate induction current, one end of the induction current generated on the springs is led out from a conducting plate through the rolling balls, and the other end of the induction current is led out through a first conducting point, so that the self-generating is realized to charge the storage battery. According to the invention, various movements in life can be converted into electric energy through the rolling ball, manual repeated movement is not needed for generating electricity, the limitation of environment and weather is avoided, and the mobile power supply is bound to a moving object, so that stable and efficient electricity generation can be realized.

Description

Self-power-generation mobile power supply based on rolling ball induction
Technical Field
The invention belongs to the technical field of self-power-generation mobile power supplies, and particularly relates to a self-power-generation mobile power supply based on rolling ball induction.
Background
The portable power source is a portable power source device, and can provide power supply for various mobile devices such as mobile phones, tablet computers, digital cameras and the like. The portable electric power device has the characteristics of small size, light weight, portability and the like, and can provide convenient electric power support for users in the scenes of outdoors, traveling, emergency and the like. The traditional mobile power supply is limited by the capacity of a battery, can not provide power supply for a long time under the condition of being separated from a power grid, and has limited application range. Therefore, the power grid can be charged in other ways, so that the power grid can be separated from the power grid, and the power grid can be rapidly developed, and various types of hand-operated self-power-generation mobile power supplies, hand-press self-power-generation mobile power supplies, pedal-type self-power-generation mobile power supplies, solar self-power-generation mobile power supplies and the like have been developed.
The hand-operated self-generating mobile power supply, the hand-press self-generating mobile power supply, the pedal-type self-generating mobile power supply and the like need human-machine input, and the use experience is poor. The solar self-generating mobile power supply can obtain stable charging input under stronger illumination conditions, and heat dissipation is difficult. Various self-generating mobile power supplies in the prior art have the common problems of low power generation efficiency and unstable power generation, and are difficult to popularize on a large scale.
Disclosure of Invention
The invention aims to overcome the defects of low power generation efficiency and unstable power generation of the self-power-generation mobile power supply in the prior art, thereby providing the self-power-generation mobile power supply based on the rolling ball induction.
The invention provides a self-generating mobile power supply based on rolling ball induction, which comprises a power generation bin and a storage battery, wherein the power generation bin is electrically connected with the storage battery and is used for charging the storage battery;
the power generation bin comprises a shell, a magnet group, a rolling ball, a spring, a first conductive point, a second conductive point and a conductive sheet;
the shell is of a tubular structure with two closed ends;
the rolling ball is made of conductive materials and can be axially movably arranged in the shell;
the springs are made of conductive materials, and the two springs are respectively fixed at two ends of the inside of the shell along the axial direction of the shell;
the two first conductive points are respectively fixed at two ends outside the shell and are respectively electrically connected with the two springs;
The magnet group is fixed on the outer side wall of the shell, and a magnetic induction line is formed inside the shell;
The conductive sheet is fixed at the bottom of the inner side wall of the shell along the axial direction parallel to the shell, and the upper side of the conductive sheet is in conductive contact with the rolling ball;
the second conductive points are fixed on the outer side wall of the shell and are electrically connected with the conductive sheets.
Further, one magnet group includes four magnets, four magnets are fixed in respectively four positions about the upper and lower of lateral wall of shell, wherein include two paste one side of shell is the first magnet of first polarity to and two paste one side of shell is the second magnet of second polarity, two first magnet is adjacent to be set up, two second magnet is adjacent to be set up.
Further, the spring is a coil spring, a part of the spring wire is segmented into shielding sections with surfaces forming electromagnetic shielding layers, and the shielding sections are formed on one side, close to a group of adjacent first magnets and second magnets, of the spring.
Further, one magnet group includes two magnets, two magnets are fixed in respectively the first magnet of lateral wall upside and the second magnet of downside of shell, first magnet is close to the one side of shell is first polarity, the second magnet is close to the one side of shell is the second polarity.
Further, the spring is a broken line spring, and comprises a first section and a second section which are alternately connected in sequence, wherein the first section is inclined upwards, and the second section is inclined downwards; the surface of the first segment forms an electromagnetic shielding layer.
Further, the spring is a broken line spring, and comprises a first section and a second section which are alternately connected in sequence, wherein the first section is inclined upwards, and the second section is inclined downwards; the upper side and the lower side of the first section are fixedly provided with reverse magnets; the upper side of the reverse magnet is of a first polarity, and the lower side of the reverse magnet is of a second polarity.
Further, the storage battery is of a cuboid structure; the four vertical surfaces of the storage battery are fixedly provided with the power generation bins, two power generation bins are horizontally distributed along the axial direction to form one row, and sixteen rows of battery bins are aligned and arranged on each vertical surface in the vertical direction; the power generation bins are fixed on four edges in the vertical direction of the storage battery, seven power generation bins are arranged on each edge, and the power generation bins are vertically arranged along the axial direction.
Further, the self-generating charging device further comprises a self-generating charging circuit, wherein the input end of the self-generating charging circuit is connected with the power generation bin, the output end of the self-generating charging circuit is connected with the storage battery, and the self-generating charging circuit comprises a converging circuit, a rectifying circuit, a filtering circuit and a chopper circuit which are sequentially connected.
Further, the intelligent charging system further comprises a power grid charging circuit, wherein the input end of the power grid charging circuit is connected with the power grid, the output end of the power grid charging circuit is connected with the storage battery, and the power grid charging circuit comprises a rectifying circuit, an oscillating circuit, a voltage stabilizing circuit and a protection circuit which are sequentially connected.
Further, the electric energy output circuit is further included, the input end of the electric energy output circuit is connected with the storage battery, the output end of the electric energy output circuit is used for outputting electric energy, and the electric energy output circuit comprises a rectifying circuit, a filtering circuit and a voltage stabilizing circuit which are sequentially connected.
The beneficial effects are that: the invention discloses a self-generating mobile power supply based on rolling ball induction, wherein springs are arranged at two ends in a tubular shell, rolling balls are arranged in the middle of the shell, and a magnet group is fixed at the outer side of the shell, so that when a power generation bin moves, the rolling balls roll in the shell to compress the springs, the springs cut magnetic induction lines formed by the magnet group to generate induction current, one end of the induction current generated on the springs is led out from a conducting plate through the rolling balls, and the other end of the induction current is led out through a first conducting point, so that self-generating is realized to charge a storage battery. According to the invention, various movements in life can be converted into electric energy through the rolling ball, manual repeated movement is not needed for generating electricity, the limitation of environment and weather is avoided, and the mobile power supply is bound to a moving object, so that stable and efficient electricity generation can be realized.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a charging bin in elevation;
FIG. 2 is a schematic diagram of a front view of a charging bin according to the present invention;
FIG. 3 is a schematic diagram of a front view of a charging bin according to the present invention;
FIG. 4 is a schematic top view of a charging bin according to the present invention;
FIG. 5 is a schematic diagram of a front view of a spring according to the present invention;
FIG. 6 is a schematic diagram of a circuit configuration of the self-generating charging circuit according to the present invention;
FIG. 7 is a schematic diagram of a circuit configuration of the power grid charging circuit of the present invention;
FIG. 8 is a schematic diagram of a circuit structure of the power output circuit of the present invention;
Fig. 9 is a schematic circuit diagram of a monitor control circuit according to the present invention.
Reference numerals illustrate: 1. a housing; 2. a magnet group; 3. a rolling ball; 4. a spring; 41. an electromagnetic shielding layer; 42. a reverse magnet; 43. a contact piece; 5. a first conductive point; 6. a second conductive point; 7. and a conductive sheet.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1 to 5, the embodiment provides a self-generating mobile power supply based on rolling ball induction, which is characterized by comprising a power generation bin and a storage battery, wherein the power generation bin is electrically connected with the storage battery and is used for charging the storage battery; the power generation bin comprises a shell 1, a magnet group 2, a rolling ball 3, a spring 4, a first conductive point 5, a second conductive point 6 and a conductive sheet 7; the shell 1 is of a tubular structure with two closed ends; the rolling ball 3 is made of conductive materials and is arranged in the shell 1 in an axially movable manner; the springs 4 are made of conductive materials, and the two springs 4 are respectively fixed at two ends inside the shell 1 along the axial direction of the shell 1; the two first conductive points 5 are respectively fixed at two ends outside the shell 1 and are respectively electrically connected with the two springs 4; the magnet group 2 is fixed on the outer side wall of the shell 1, and a magnetic induction line is formed inside the shell 1; the conductive sheet 7 is axially fixed at the bottom of the inner side wall of the shell 1 along the direction parallel to the shell 1, and the upper side of the conductive sheet is in conductive contact with the rolling ball 3; the second conductive point 6 is fixed on the outer side wall of the housing 1 and is electrically connected with the conductive sheet 7.
The embodiment discloses from electricity generation mobile power supply based on spin response sets up spring 4 at both ends in tubular shell 1, places spin 3 in the middle to fixed magnet group 2 in shell 1 outside, thereby when electricity generation storehouse motion, spin 3 roll thereby compression spring 4 in shell 1, and spring 4 cutting the magnetic induction line that magnet group 2 formed produces induced current, and induced current one end that produces on the spring 4 is derived from conducting strip 7 through spin 3, and the other end is derived through first conducting point 5, thereby realizes from the electricity generation to the charge of battery. According to the invention, various movements in life can be converted into electric energy through the rolling ball 3, manual repeated movement is not needed for generating electricity, the limitation of environment and weather is avoided, and the mobile power supply is bound to a moving object, so that stable and efficient electricity generation can be realized.
Specifically, as a preferable mode of the present embodiment, the housing 1 of the power generation bin is in a capsule shape, and has a length of 30mm and a diameter of 7.4mm; the first conductive points 5 are hemispherical first conductive points; the size of the spring 4 is 0.2 x 2.8 x 6mm, and the elastic coefficient is 1.1N/m; the magnets of the magnet group 2 are 1.2T-1.6T fixed magnets; the rolling ball 3 is an iron ball with the weight of 0.45 g; the conductive sheet 7 is a conductive copper surface with the thickness of 1 mm; the storage battery is a 3.7V storage battery.
As a further development of the present embodiment, a contact piece 43 is also included, said contact piece 43 being fixed to an end of said spring 4 close to said ball 3 and being in electrically conductive connection with said spring 4 for forming a reliable electrically conductive contact with said ball 3.
In some embodiments of the present invention, as shown in fig. 1, one of the magnet groups 2 includes four magnets, which are respectively fixed at four positions of the outer side wall of the housing 1, wherein the four magnets include two first magnets with a first polarity, which are adjacent to one side of the housing 1, and two second magnets with a second polarity, which are adjacent to one side of the housing 1, and the two first magnets are adjacent to one another. The spring 4 is a coil spring, and a part of the spring wire is segmented into shielding sections with surfaces formed with an electromagnetic shielding layer 41, and the shielding sections are formed on one side of the spring 4 close to a group of adjacent first magnets and second magnets. In this embodiment, the electromagnetic shielding layer 41 is a metal mesh braid.
Specifically, the shielding section is formed on a quarter section of the cross section of the spring 4, the quarter section being close to one side of a group of adjacent first and second magnets; the electromagnetic shielding layer 41 can shield the magnetic field generated by the magnet, so that no induced current is generated in the shielding section, and current with uniform direction can be formed in the rest spring 4 sections.
In other embodiments of the present invention, one of the magnet groups 2 includes two magnets, a first magnet fixed to an upper side of an outer sidewall of the housing 1 and a second magnet fixed to a lower side of the outer sidewall, wherein a side of the first magnet abutting the housing 1 is a first polarity, and a side of the second magnet abutting the housing 1 is a second polarity. The spring 4 is a broken line spring, the spring 4 comprises a first section and a second section which are alternately connected in sequence, the first section is inclined upwards, and the second section is inclined downwards. Specifically, as a preference of the present embodiment, the adjacent first and second segments have an included angle of sixty degrees, and one spring 4 has seven fold lines formed side by side. In this embodiment, the first segment is provided with three segments, and the second segment is provided with three segments; in other embodiments of the invention, the first segment and the second segment have more or fewer segments.
Referring to fig. 2, in some implementations of the present embodiment, the surface of the first segment forms an electromagnetic shielding layer 41. Thus, no induced current is generated in the first segment, and induced current with uniform direction is formed in the second segment. In this embodiment, the electromagnetic shielding layer 41 is a metal mesh braid.
Referring to fig. 3 to 5, in other implementations of the present embodiment, the reverse magnets 42 are fixed to the upper and lower sides of the first segment; the reverse magnet 42 has a first polarity on the upper side and a second polarity on the lower side. Thereby forming an induced current in the second segment in the same direction, and under the action of the reversing magnet 42, an induced current in the first segment in the same direction as the second segment can be formed; as a preference of the present embodiment; the counter magnet 42 forms a magnetic field in the first segment of the same strength as the outer magnet assembly 2 and in the opposite direction.
In this embodiment, the power generation bin includes two magnet groups 2, and the two magnet groups 2 are respectively located outside the two magnets.
The storage battery is of a cuboid structure; the four vertical surfaces of the storage battery are fixedly provided with the power generation bins, two power generation bins are horizontally distributed along the axial direction to form one row, and sixteen rows of battery bins are aligned and arranged on each vertical surface in the vertical direction; the power generation bins are fixed on four edges in the vertical direction of the storage battery, seven power generation bins are arranged on each edge, and the power generation bins are vertically arranged along the axial direction.
As a further improvement of the embodiment, a protective case is further included, which encloses the storage battery and the power generation bin. Preferably, in this embodiment, the protective housing is made of PC plastic.
In this embodiment, still include from electricity generation charging circuit, from electricity generation charging circuit's input is connected the electricity generation storehouse, the output is connected the battery, from electricity generation charging circuit includes conflux circuit, rectifier circuit, filter circuit and chopper circuit that connect gradually.
Referring to fig. 6, specifically, in some embodiments of the present invention, the self-generating charging circuit includes a rectifying chip (D1, D2 … …), a voltage stabilizing chip U1, a first capacitor C1, and a second capacitor C2; each power generation bin is connected with one rectification chip; as a preferable mode of the embodiment, the specific model of the rectifying chip is MB1S, and the specific model of the voltage stabilizing chip U1 is LM7805D2TRG; two first conductive points of the power generation bin (F1, F2 … …) are respectively marked as DDD1 and DDD2, a conductive sheet is marked as DDD3, the two first conductive points are connected with each other and the third end of the rectifying chip, and the conductive sheet is connected with the fourth end of the rectifying chip; the first end of the rectifying chip is connected with the ground through the first capacitor C1, and the second end of the rectifying chip is grounded; the VCC end of the voltage stabilizing chip U1 is connected with the first end of the rectifying chip, the GND end is grounded, and the VOUT end is grounded through the second capacitor C2; and the power input end of the power grid charging circuit is respectively connected with the VOUT end and the GND end of the voltage stabilizing chip U1.
The rectification circuit in the rectification chip rectifies alternating current of a corresponding power generation bin into direct current, the stabilized voltage of the rectification circuit in the voltage stabilizing chip U1 is stabilized to obtain stabilized 5V voltage, the stabilized 5V voltage is connected to the power input end of the power grid charging circuit, and the storage battery is charged through the power grid charging circuit.
The power grid charging circuit is characterized by further comprising a power grid charging circuit, wherein the input end of the power grid charging circuit is connected with the power grid, the output end of the power grid charging circuit is connected with the storage battery, and the power grid charging circuit comprises a rectifying circuit, an oscillating circuit, a voltage stabilizing circuit and a protection circuit which are sequentially connected.
Referring to fig. 7, specifically, in some embodiments of the present invention, the power grid charging circuit includes a charging chip U2, a USB interface U3, and a MOS transistor Q1; the specific model of the charging chip U2 is IP2188, and the specific model of the MOS tube Q1 is SI2302-HXY; the first end of the USB interface U3 is connected with the VBUS end of the charging chip U2 through a second resistor R2, the first end is grounded through a fourth capacitor C4, the second end is connected with the DM end of the charging chip U2, the third end is connected with the DP end of the charging chip U2, the fourth end is connected with the CC1 end of the charging chip U2, the fifth end is connected with the CC2 end of the charging chip, and the sixth end is grounded; the VBUSG end of the charging chip U2 is connected with the grid electrode of the MOS tube Q1, the VIN end is grounded through a third capacitor C3, the CSP end is connected with the drain electrode of the MOS tube Q1 through a fifth resistor R5 and a first resistor R1 in sequence, the GND end is connected with the CSP end through a fourth resistor R4, and the FB end is connected with the FB end of the storage battery U4 through a third resistor R3; the source electrode of the MOS tube Q1 is connected with the first end of the USB interface U3, the drain electrode is connected with the VOUT end of the storage battery U4, and the drain electrode is grounded through a fifth capacitor C5 with polarity.
The charging chip U2 monitors the voltages of the pins CC1 and CC2 in real time, starts an external expansion NMOS power tube after the Type-C handshake is successful, broadcasts an SRC capability packet on the CC1 or CC2 end and establishes communication; after the external expansion NMOS power tube is started, the charging chip U2 monitors the voltages of the DP and DM terminals in real time, automatically identifies the quick charging type, analyzes and responds to the protocol request, and thus completes the handshake process with the equipment to be charged; and once any quick charge is entered, no other quick charge requests are responded, until the current quick charge is exited, and a new quick charge request is responded. The charging chip U2 adjusts the VBUS voltage according to the FB voltage adjustment request of the storage battery U4, so that the voltage request of the equipment end is met.
The power supply device comprises a storage battery, and is characterized by further comprising an electric energy output circuit, wherein the input end of the electric energy output circuit is connected with the storage battery, the output end of the electric energy output circuit is used for outputting electric energy, and the electric energy output circuit comprises a rectifying circuit, a filter circuit and a voltage stabilizing circuit which are sequentially connected.
Referring to FIG. 8, in particular, in some embodiments of the invention, the power output circuit includes a power management chip U5, at least one power output interface U6, and a key SW1; the specific model of the power management chip U5 is IP5306; the first end of the output end of the storage battery U4 is connected with the VIN end of the power management chip U5, the second end of the storage battery U4 is grounded, and the first end of the storage battery U4 is grounded through a seventh resistor R7 and a ninth capacitor R9 in sequence and is grounded through a sixth capacitor C6; the LED1 end of the power management chip U5 is connected with the anode of the first light emitting diode L1 and the cathode of the second light emitting diode L2, the LED2 end is connected with the anode of the third light emitting diode L3 and the cathode of the fourth light emitting diode L4, and the LED3 end is connected with the cathode of the first light emitting diode L1, the anode of the second light emitting diode L2, the cathode of the third light emitting diode L3 and the anode of the fourth light emitting diode L4; the VOUT end of the power management chip U5 is connected to the tenth capacitor C10, the eleventh capacitor C11, the thirteenth capacitor C13 and the eighth capacitor C8, respectively, and grounded, and the VOUT end is connected to the VOUT end of each power output interface U6; the DM end and the DP end of the power output interface U6 are in short circuit, and the GND end is grounded; the SW end of the power management chip U5 is connected with the first end of the inductor L; the second end of the inductor L is connected with the BAT end; the second end is grounded through a twelfth capacitor C12 and is connected with the BAT end of the power management chip U5 through a ninth resistor R9; the BAT end of the power management chip U5 is grounded through a seventh capacitor C7; the KEY end of the power management chip U5 is connected to the positive electrode of the fifth light emitting diode L5 through an eighth resistor R8, and is connected to the first end of the KEY SW1 through a sixth resistor R6; the negative electrode of the fifth light emitting diode L5 and the second end of the key SW1 are grounded.
And an internal circuit of the power management chip U5 controls the on-off of the four light emitting diodes L1-L4 to represent the residual electric quantity of the storage battery. The pin of the power management chip U5 is connected with an LCC filter circuit so as to reduce fluctuation of the input voltage of the lithium battery; and the key SW1 is connected, and the mobile power supply can be controlled by long key and short key operations.
The auxiliary monitoring control circuit comprises an STM32 minimum system, a monitoring circuit and a control circuit, and the auxiliary monitoring system is connected with the storage battery.
Referring to fig. 9, in particular, in some embodiments of the invention, the monitoring control circuit includes a battery protection chip U7; the specific model of the battery protection chip U7 is IP3005; the NC end of the battery protection chip U7 is suspended, the VM end is connected with the negative electrode In-of the charging load, the GND end is connected with the negative electrode of the storage battery U4, the VDD end is connected with the VDD end through a fourteenth capacitor C14, the VDD end is connected with the positive electrode of the storage battery U4 through a tenth resistor R10, and the EP end is connected with the negative electrode of the storage battery U4; the negative electrode of the storage battery U4 is connected with the negative electrode In-of the charging load through a fifteenth capacitor C15.
The NC end of the battery protection chip U7 is suspended to play a role of fixing the chip. The VM terminal and GND terminal of the battery protection chip U7 are connected internally to the power MOSFET. The VDD terminal of the battery protection chip U7 is connected to the positive electrode of the battery U4 through a tenth resistor R10, and is used for supplying power to the chip. And the EP end of the IP3005 of the battery protection chip U7 is connected with the negative electrode of the storage battery U4 to obtain detection current. The tenth resistor R10 and the fourteenth capacitor C14 constitute a power filter for suppressing power supply ripple. The fifteenth capacitor C15 is connected between the negative electrode of the battery and the VM segment for suppressing the VM port spike voltage.
The power filter formed by the tenth resistor R10 and the fourteenth capacitor C14 filters interference signals of the power, and when the current flowing through the battery protection chip U7 is greater than 1A, the current monitoring function is started in the chip. When the charge overvoltage state, the discharge undervoltage state, the discharge overcurrent state or the charge overcurrent state occurs, the battery protection chip U7 starts the protection function. The battery protection chip U7 controls the internal logic circuit to turn off the internal power MOSFET to stop charging and discharging.
The mobile power supply comprises a mobile power supply, and is characterized by further comprising a display screen, wherein the display screen is connected with the auxiliary monitoring control circuit and used for displaying the working state of the mobile power supply.
In this embodiment, each first conductive point 5 of each of the power generation bins derives a connection, and the conductive sheet 7 of each of the power generation bins derives a connection, so that all the conductive bins meet and form a two-end output.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. 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 application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. The automatic power generation mobile power supply based on the rolling ball induction is characterized by comprising a power generation bin and a storage battery, wherein the power generation bin is electrically connected with the storage battery and is used for charging the storage battery;
the power generation bin comprises a shell, a magnet group, a rolling ball, a spring, a first conductive point, a second conductive point and a conductive sheet;
the shell is of a tubular structure with two closed ends;
the rolling ball is made of conductive materials and can be axially movably arranged in the shell;
the springs are made of conductive materials, and the two springs are respectively fixed at two ends of the inside of the shell along the axial direction of the shell;
the two first conductive points are respectively fixed at two ends outside the shell and are respectively electrically connected with the two springs;
The magnet group is fixed on the outer side wall of the shell, and a magnetic induction line is formed inside the shell;
The conductive sheet is fixed at the bottom of the inner side wall of the shell along the axial direction parallel to the shell, and the upper side of the conductive sheet is in conductive contact with the rolling ball;
the second conductive points are fixed on the outer side wall of the shell and are electrically connected with the conductive sheets.
2. The self-generating mobile power supply based on rolling ball induction according to claim 1, wherein one magnet group comprises four magnets, the four magnets are respectively fixed at four positions of the upper side, the lower side, the left side and the right side of the outer side wall of the outer shell, wherein the four magnets comprise two first magnets with first polarity, which are abutted against one side of the outer shell, and two second magnets with second polarity, which are abutted against one side of the outer shell, the two first magnets are adjacently arranged, and the two second magnets are adjacently arranged.
3. A self-generating mobile power supply based on ball induction according to claim 2, characterized in that said spring is a helical spring, a part of said spring wire is segmented into shielding segments with electromagnetic shielding layers formed on the surface, said shielding segments are formed on the side of said spring close to a set of adjacent first and second magnets.
4. A self-generating mobile power supply based on spin induction according to claim 1, wherein one of said magnet sets comprises two magnets, a first magnet fixed to the upper side of the outer side wall of said housing and a second magnet fixed to the lower side of the outer side wall of said housing, respectively, said first magnet being of a first polarity on the side thereof which is abutted to said housing, and said second magnet being of a second polarity on the side thereof which is abutted to said housing.
5. The self-generating mobile power supply based on rolling ball induction according to claim 4, wherein the spring is a zigzag spring, and the spring comprises a first section and a second section which are alternately connected in turn, the first section being inclined upwards, and the second section being inclined downwards; the surface of the first segment forms an electromagnetic shielding layer.
6. The self-generating mobile power supply based on rolling ball induction according to claim 4, wherein the spring is a zigzag spring, and the spring comprises a first section and a second section which are alternately connected in turn, the first section being inclined upwards, and the second section being inclined downwards; the upper side and the lower side of the first section are fixedly provided with reverse magnets; the upper side of the reverse magnet is of a first polarity, and the lower side of the reverse magnet is of a second polarity.
7. The self-generating mobile power supply based on rolling ball induction according to claim 1, wherein the storage battery has a cuboid structure; the four vertical surfaces of the storage battery are fixedly provided with the power generation bins, two power generation bins are horizontally distributed along the axial direction to form one row, and sixteen rows of battery bins are aligned and arranged on each vertical surface in the vertical direction; the power generation bins are fixed on four edges in the vertical direction of the storage battery, seven power generation bins are arranged on each edge, and the power generation bins are vertically arranged along the axial direction.
8. The self-generating mobile power supply based on rolling ball induction according to claim 1, further comprising a self-generating charging circuit, wherein the input end of the self-generating charging circuit is connected with the power generation bin, the output end of the self-generating charging circuit is connected with the storage battery, and the self-generating charging circuit comprises a converging circuit, a rectifying circuit, a filtering circuit and a chopper circuit which are sequentially connected.
9. The self-generating mobile power supply based on rolling ball induction according to claim 1, further comprising a power grid charging circuit, wherein the input end of the power grid charging circuit is connected with the power grid, the output end of the power grid charging circuit is connected with the storage battery, and the power grid charging circuit comprises a rectifying circuit, an oscillating circuit, a voltage stabilizing circuit and a protection circuit which are sequentially connected.
10. The self-generating mobile power supply based on rolling ball induction according to claim 1, further comprising an electric energy output circuit, wherein the input end of the electric energy output circuit is connected with the storage battery, the output end is used for outputting electric energy, and the electric energy output circuit comprises a rectifying circuit, a filtering circuit and a voltage stabilizing circuit which are sequentially connected.
CN202410143469.4A 2024-02-01 2024-02-01 Self-power-generation mobile power supply based on rolling ball induction Pending CN117997069A (en)

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Citations (4)

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Publication number Priority date Publication date Assignee Title
CN101853092A (en) * 2009-04-03 2010-10-06 鸿富锦精密工业(深圳)有限公司 Mouse
CN207426947U (en) * 2017-10-31 2018-05-29 比亚迪股份有限公司 Intelligent sphere
CN212233361U (en) * 2020-01-23 2020-12-29 泉州市万胜新材料科技有限公司 Self-luminous child sweat-discharging vamp
CN115189543A (en) * 2022-07-27 2022-10-14 哈尔滨体育学院 Wireless motion sensor with self-generating mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101853092A (en) * 2009-04-03 2010-10-06 鸿富锦精密工业(深圳)有限公司 Mouse
CN207426947U (en) * 2017-10-31 2018-05-29 比亚迪股份有限公司 Intelligent sphere
CN212233361U (en) * 2020-01-23 2020-12-29 泉州市万胜新材料科技有限公司 Self-luminous child sweat-discharging vamp
CN115189543A (en) * 2022-07-27 2022-10-14 哈尔滨体育学院 Wireless motion sensor with self-generating mechanism

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