CN118983999B - An intelligent tool handle self-powered device - Google Patents
An intelligent tool handle self-powered device Download PDFInfo
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- CN118983999B CN118983999B CN202411100513.XA CN202411100513A CN118983999B CN 118983999 B CN118983999 B CN 118983999B CN 202411100513 A CN202411100513 A CN 202411100513A CN 118983999 B CN118983999 B CN 118983999B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/04—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
- H02K11/042—Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/47—Air-gap windings, i.e. iron-free windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Scissors And Nippers (AREA)
Abstract
The invention relates to the field of machining and manufacturing, in particular to a device for realizing self-power supply of an intelligent knife handle through electromagnetic induction. Conventional power supplies for tool shanks typically rely on external power sources or batteries, which are inconvenient to use and limit the range of motion of the tool. The device utilizes the electromagnetic induction principle, receives the energy of external electromagnetic waves or electromagnetic fields through an electromagnetic induction coil embedded in the cutter handle, and converts the energy into electric energy required by the cutter. The self-powered device of the intelligent knife handle is also provided with a power management technology and is used for controlling the functions of stable output of electric energy, overload protection and the like. Compared with the traditional power supply mode, the device has the advantages of autonomous power supply, no need of an external power supply or a lead, and flexibility and operation convenience of the cutter are improved. The invention provides an intelligent knife handle self-powered device based on an electromagnetic induction technology, which has wide application prospect and can bring more efficient, safe and convenient cutting processing solutions to the field of machining and manufacturing.
Description
Technical Field
The invention relates to the field of machining and manufacturing, in particular to a device for realizing power supply of an intelligent knife handle through electromagnetic induction.
Background
In the cutting machining process, intelligent tool handles capable of realizing online monitoring of the machining process gradually emerge, and the intelligent tool handles extract machining information through integrated sensors and are used for judging whether the machining process is normally performed, adjusting tool machining parameters in real time, evaluating and predicting the state of a tool, and optimizing and improving the machining process. Has a key role in achieving efficient, accurate and reliable machining operations. But most of the knife handles are powered by batteries, which limits long-time continuous monitoring in the processing process, and moreover, the volume of the knife handles is huge due to the overlarge battery, so that the possibility of interference is improved. The exploration of the power supply of the intelligent knife handle is a difficult problem, which brings great inconvenience to the long-time application of the intelligent knife handle.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electromagnetic induction self-power-supply technology based on which the energy self-supply of an intelligent knife handle is realized.
In order to solve the technical problems, the invention adopts the following technical scheme:
The tool handle comprises a tool handle body, a magnet support, a magnet, a copper coil, a taper shank annular hole and a rectifying and voltage stabilizing circuit, wherein the tool handle body is arranged on a main shaft, the magnet support is provided with a wedge-shaped groove, the magnet is connected with the magnet support through the wedge-shaped groove, the magnet support is arranged at the side of an interface between the main shaft and the tool handle body, the magnet support is arranged on a main shaft end face mounting cover through a support fastening screw, the copper coil (7) is arranged in the taper shank annular hole (103), and the rectifying and voltage stabilizing circuit is arranged on the tool handle body.
The rectifying and voltage stabilizing circuit comprises 6 paths of circuit board lead interfaces P15, capacitors C94-C97, C99-C100, C103-C105, resistors R116-R123, a temperature measuring resistor RT1, an LED lamp D6 and a wireless power receiver U13; the circuit board lead interface P15 comprises 6 interfaces; the wireless power supply receiver U13 comprises interfaces CLAMP1, COMM1, AC2, BOOT1, BOOT2, CLAMP2, COMM2, OUT, CHG, ILIM, FOD, RECT, TS, EN1 and EN2, one end of a capacitor C96 is connected with an AC1 interface of the U13 in parallel, the other end of the capacitor C96 is connected with the BOOT1 of the U13, the other end of the capacitor C99 is connected with the interface CLAMP1 of the U13, the other end of the capacitor C103 is connected with an AC2 interface of the U13 in parallel, one end of the capacitor C97 is connected with the interfaces C100 and C104 in parallel, the other end of the capacitor C97 is connected with the BOOT2 of the U13, the other end of the capacitor C100 is connected with the interface CLAMP2 of the U13, the other end of the capacitor C104 is connected with the interface M2 of the U13, the positive electrode of the LED lamp D6 is connected with the interface OUT of the U13, the other end of the resistor 116 is connected with the interface ILIM of the U13, the other end of the resistor C117 is connected with the R121, the other end of the interface of the capacitor C13 is connected with the interface C13, the other end of the resistor C13 is connected with the interface C2 interface of the interface C13 is connected with the interface C1 of the U13, the other end of the interface C5 is connected with the interface C13 is connected with the interface C1 of the interface C13 is connected with the interface C1 of the interface C13 is the interface C2 of the interface C13 is connected with the interface C13.
The electric bridge signal processing plate, the power management plate, the main control plate and the WiFi plate are respectively arranged on the four circuit board mounting platforms through upper fastening screw bolts and lower fastening screw bolts, the upper fastening screw bolts and the lower fastening screw bolts are respectively matched with the upper fastening screw bolts and the lower fastening screw bolts, coil lead holes are formed in the annular holes of the taper shank, circuit board lead grooves are formed in the circuit board mounting platforms matched with the power management plate, and induction current in the copper coil is transmitted to the power management plate, the signal processing plate, the main control plate and the WiFi plate through the coil lead holes, the circuit board lead grooves, the collet, the nut and the milling cutter are sequentially arranged at the lower end of the cutter shank. The rectification voltage stabilizing circuit is arranged on the power management board.
The taper shank annular holes are arranged on the taper shank of the cutter shank main body, and the number of the taper shank annular holes is 3 or more and are uniformly distributed along the circumference of the taper shank.
The longitudinal section of the magnet is arc-shaped.
The intelligent knife handle electromagnetic induction self-powered implementation method has the advantages that an external power supply or a battery is not needed for supplying power to a circuit for the knife handle, the scheme that the copper coil is embedded into the taper shank reduces the expansion of the external size of the knife handle, improves the integration level of the knife handle, reduces the possibility of machining interference of the intelligent knife handle, enables the intelligent knife handle to be used continuously for a long time by self-powered mode, improves the use convenience, reduces the energy consumption, accords with the development trend of energy conservation and environmental protection, breaks the limitation of the use time caused by the battery power supply of the intelligent knife handle, is beneficial to promoting the intelligent and automatic development of industrial production, improves the production efficiency and the product quality of manufacturing industry, greatly improves the integration level of the intelligent knife handle by embedding the rotor and the printed circuit board with compact structure at the taper shank, and has brand new scheme for supplying power to the intelligent knife handle, and has wide application prospects in the related fields of cutting machining, knife design, process optimization and the like.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is an exploded view of the overall structure of the intelligent knife handle of the invention;
FIG. 2 is a view of a tool shank assembly of the present invention;
FIG. 3 is a schematic view of the present invention a main body structure diagram of the knife handle;
FIG. 4 is a schematic diagram of an electromagnetic induction structure according to the present invention;
Fig. 5 is a schematic diagram of a power management board circuit.
In the figure, a cutter handle main body, a fastening screw of an upper row 101, a fastening screw of a lower row 102, a taper shank annular hole 103, a coil lead hole 104, a circuit board lead groove 105, a circuit board lead hole 106, a circuit board mounting platform 109, a fastening screw through hole of an upper row 110, a fastening screw blind hole of a lower row 111, a collet chuck 2, a nut 3, a milling cutter 4, a magnet bracket 5, a bracket fastening screw 501, a magnet 6, a copper coil 7, a bridge signal processing board 11, a power management board 12, a main control board 13, a WiFi board 14 and a spindle 15 are arranged.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
Establishing an intelligent knife handle device for representing the invention:
As shown in fig. 1-4, the intelligent knife handle device is composed of a knife handle main body 1, an upper row of fastening screws 101, a lower row of fastening screws 102, a collet chuck 2, a nut 3, a milling cutter 4, a magnet bracket 5, a bracket fastening screw 501, a magnet 6, a copper coil 7, a bridge signal processing board 11, a power management board 12, a main control board 13 and a WiFi board 14. The prototype structural model of the cutter handle main body 1 is HSK63A-ER40-160L.
The tool handle main body 1 is subjected to a great amount of structural changes on the basis of a prototype tool handle, taper shank circular holes 103 are arranged for embedding copper coils 7, taper shank circular holes 103 are arranged for collecting copper coils 7 from the center of the tool handle, circuit board lead grooves 105 are arranged for transmitting mutual energy and signals among a bridge signal processing board 11, a power management board 12, a main control board 13 and a WiFi board 14, the collected copper coils 7 are connected to the power management board 12 through circuit board lead holes 106 for rectifying and stabilizing, a circuit board mounting platform 109, an upper row of fastening screw through holes 110 and a lower row of fastening screw through holes 111 are arranged for being matched with upper row of fastening screws 101 and lower row of fastening screws 102, the bridge signal processing board 11, the power management board 12, the main control board 13 and the WiFi board 14 are mounted with the tool handle main body 1, and the milling cutter 4 is mounted with the tool handle main body 1 through a collet 2 and a screw cap 3.
The invention relates to an electromagnetic induction self-powered device implementation mode:
The self-powered device of the intelligent knife handle is shown in figures 3-4. The method is based on Faraday's law of electromagnetic induction, and is implemented by using a magnet bracket 5 to carry a magnet 6 to generate a constant magnetic field at the lower end close to a main shaft 15. The magnet support 5 is connected with the spindle 15 through a screw hole in the spindle cover and a screw 501, the magnet support 5 is manufactured by 3D printing and additive material of white resin materials, and the magnet 6 is a customized tile-shaped rubidium-iron-boron strong magnet. At the same time, taper shank annular holes 103 distributed at 120 degrees are arranged on the tool shank main body 1 and are used for embedding three copper coils 7 placed at 120 degrees, when the machine tool performs cutting machining, the copper coils 7 rotate along with the tool shank main body 1, at the moment, magnetic flux in the copper coils 7 changes along with the rotation, and induced potential can be generated by the changed magnetic flux. The copper coil 7 is gathered through the coil lead hole 104 and then passes through the circuit board lead hole 106 to the power management board 12 to be subjected to rectifying, voltage stabilizing and other treatments to supply power to each circuit and components, a circuit schematic diagram in the power management board 12 is shown in figure 5, the circuit comprises 6 circuit board lead interfaces P15, capacitors C94-C97, C99-C100, C103-C105, resistors R116-R123, a temperature measuring resistor RT1, an LED lamp D6 and a wireless power receiver U13, the circuit board lead interface P15 comprises 6 interfaces, and the wireless power receiver U13 comprises an interface CLAMP1, COMM1, AC2, BOOT1, BOOT2, CLAMP2, COMM2, OUT, CHG, ILIM, FOD, RECT, TS, EN1, EN2; one end of the capacitor C96 is connected with the capacitors C99 and C103 in parallel and simultaneously connected with the AC1 interface of the U13, the other end of the capacitor C96 is connected with the BOOT1 of the U13, the other end of the capacitor C99 is connected with the interface CLAMP1 of the U13, the other end of the capacitor C103 is connected with the interface COMM1 of the U13, one end of the capacitor C97 is connected with the capacitors C100 and C104 in parallel and simultaneously connected with the AC2 interface of the U13, the other end of the capacitor C97 is connected with the BOOT2 of the U13, the other end of the capacitor C104 is connected with the interface COMM2 of the other end of the U13, the positive end of the LED lamp D6 is connected with the interface OUT of the U13, the negative end is connected with the interface CHG of the U13, the other end of the resistor R116 is connected with the interface ILIM of the U13, the other end of the resistor R117 and R121 is connected with the interface FOD of the U13, the interface FOD of the resistor R117 is connected with the interface FOD of the other end of the U13, the interface RECT of the other end of the resistor R117 is connected with the filter capacitor C105, the interface FOD of the resistor R13 is connected with the interface FOD of the other end of the U13, the other end of the interface FOD 121 is connected with the interface of the other end of the resistor C13, the interface of the resistor C13 is connected with the interface C2, the interface of the resistor C15 is connected with the other end of the interface C15, the interface of the interface C15 is connected with the interface C5, the interface C5 is connected with the interface of the other end of the interface C5 2 are connected with GND, the interfaces 3 and 4 are connected with a voltage source VOUT, the interface 5 is connected with the interface EN1 of U13, and the interface 6 is connected with the interface EN2 of U13.
When the induced voltage generated is fed to the circuit through the copper coil 7, the internal synchronous rectifier feeds this voltage to the RECT pin with filter capacitor C105, BQ51013 identifies and validates itself by switching on and off the COM FET and by switching on and off CCOMM, if authentication is successful, the transmitter will remain on;
The EN1 and EN2 pins include internal 200kΩ pull-down resistors, so if these pins are not connected, the wireless power receiver BQ51013 will default to AD-EN control mode;
but these pins may be pulled high as shown by resistors R119 and R120;
The BQ51013 provides two identical integrated communication FETs connected to pins COMM1 and COMM2 for modulating the secondary load current, thereby enabling the BQ51013 to communicate error control and configuration information to the transmitter;
in addition to resistive load modulation, the BQ51013 is also capable of capacitive load modulation, as shown in the left-hand circuit;
In this case, the capacitor is connected from COMM1 to AC1, from COMM2 to AC2;
When the COMM switch is closed, a 22nF capacitor is actually connected between AC1 and AC 2;
Connecting a capacitor between AC1 and AC2 modulates the impedance seen by the coil, which will be reflected in the primary resistance as a change in current.
The above described embodiments are only preferred examples of the invention and are not exhaustive of the possible implementations of the invention. Any obvious modifications thereof, which would be apparent to those skilled in the art without departing from the principles and spirit of the present invention, should be considered to be included within the scope of the appended claims.
Claims (4)
1. The intelligent knife handle self-powered device is characterized by comprising a knife handle main body (1), a magnet bracket (5), a magnet (6), a copper coil (7), a taper shank annular hole (103) and a rectifying and voltage stabilizing circuit, wherein the knife handle main body is arranged on a main shaft (15); the novel tool comprises a tool handle body (1), a tool handle, a rectifying and stabilizing circuit, a magnet support (5), a copper coil (7), a copper coil ring hole (103), a magnet support (5), a support fastening screw (501), a support fixing screw (5) and a rectifying and stabilizing circuit, wherein the magnet support (6) is provided with a wedge-shaped groove, the magnet (6) is connected with the magnet support (5) through the wedge-shaped groove, the magnet support (5) is arranged at the side of an interface between the main shaft and the tool handle body (1), the magnet support (5) is arranged on an end face mounting cover of the main shaft (15) through the support fastening screw (501), the magnet support (5) is manufactured through 3D printing and additive of a white resin material, and the copper coil (7) is arranged in the taper handle ring hole (103);
The novel electric bridge type electric bridge signal processing device comprises a power management board (11), a power management board (12), a main control board (13), a WiFi board (14), a collet (2), nuts (3) and milling cutters (4), wherein four circuit board mounting platforms (109) are arranged in the middle of a cutter handle main body (1), the circuit board mounting platforms (109) are provided with an upper row of fastening thread through holes (110) and a lower row of fastening thread blind holes (111), the signal processing board (11), the power management board (12), the main control board (13) and the WiFi board (14) are respectively arranged on the four circuit board mounting platforms (109) through an upper row of fastening screws (101) and a lower row of fastening screws (102), the upper row of fastening screws (101) and the lower row of fastening screws (102) are respectively matched with the upper row of fastening thread through holes (110) and the lower row of fastening thread blind holes (111), coil lead holes (104) are formed in the taper handle annular holes (103), circuit board lead grooves (105) are formed between adjacent circuit board mounting platforms (109), circuit board lead grooves (109) matched with the power management board (12) are respectively arranged on the circuit board mounting platforms (109), and the circuit board (106) and the copper wires (106) are respectively conveyed to the circuit board (106) through the coil lead grooves (106) and the coil lead grooves (106) in the circuit board lead grooves (12) The electric bridge signal processing board (11), the main control board (13) and the WiFi board (14), wherein the collet chuck (2), the screw cap (3) and the milling cutter (4) are sequentially arranged at the lower end of the cutter handle main body (1), and the rectifying and voltage stabilizing circuit is arranged on the power management board (12).
2. The self-powered device of the intelligent knife handle according to claim 1, wherein the rectifying and voltage stabilizing circuit comprises 6 paths of circuit board lead interfaces P15, capacitors C94-C97, C99-C100, C103-C105, resistors R116-R123, a temperature measuring resistor RT1, an LED lamp D6 and a wireless power receiver U13; the circuit board lead interface P15 comprises 6 interfaces; the wireless power receiver U13 includes interfaces CLAMP1, COMM1, AC2, BOOT1, BOOT2, CLAMP2, COMM2, OUT, CHG, ILIM, FOD, RECT, TS, EN1, EN2; one end of the capacitor C96 is connected with the capacitors C99 and C103 in parallel and is simultaneously connected with an AC1 interface of the U13, the other end of the capacitor C96 is connected with the BOOT1 of the U13, the other end of the capacitor C99 is connected with the interface CLAMP1 of the U13, the other end of the capacitor C103 is connected with the interface COMM1 of the U13, one end of the capacitor C97 is connected with the capacitors C100 and C104 in parallel and is simultaneously connected with an AC2 interface of the U13, the other end of the capacitor C97 is connected with the BOOT2 of the U13, the other end of the capacitor C104 is connected with the interface COMM2 of the other end of the U13, the positive electrode of the LED lamp D6 is connected with the interface OUT of the U13, the negative electrode is connected with the interface CHG of the U13, one end of the resistor R116 is connected with the interface ILIM of the U13, the other end of the resistor R117 and the resistor R121 is simultaneously connected with the interface FOD of the U13, one end of the resistor R117 is connected with the interface FOD of the U13, the interface RECT of the other end of the resistor R13 is connected with the filter capacitor C105, the interface FOD of the resistor R121 is connected with the interface FOD of the U13, the other end of the interface of the other end of the resistor C13 is connected with the interface FOD of the other end of the resistor C13, the other end of the interface C105 is connected with the interface of the resistor C13, the other end of the interface C13 is connected with the interface of the interface C3, the interface of the interface C1 is connected with the interface of the interface C1, the other end of the interface C1 is connected with the interface C1, the end of the interface of the end of the interface C1 and the end of the end of the junction the junction the, interface 6 interfaces with interface EN2 of U13.
3. The self-powered device of the intelligent knife handle according to claim 1 or 2, wherein the taper handle circular holes (103) are arranged on the taper handle of the knife handle main body (1), and the number of the taper handle circular holes (103) is 3 or more and are uniformly distributed along the circumference of the taper handle.
4. A self-powered device for an intelligent knife handle according to claim 1 or 3, wherein the longitudinal section of the magnet (6) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411100513.XA CN118983999B (en) | 2024-08-12 | 2024-08-12 | An intelligent tool handle self-powered device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411100513.XA CN118983999B (en) | 2024-08-12 | 2024-08-12 | An intelligent tool handle self-powered device |
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| Publication Number | Publication Date |
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| CN118983999A CN118983999A (en) | 2024-11-19 |
| CN118983999B true CN118983999B (en) | 2025-05-13 |
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| CN202411100513.XA Active CN118983999B (en) | 2024-08-12 | 2024-08-12 | An intelligent tool handle self-powered device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109873477A (en) * | 2019-03-29 | 2019-06-11 | 成都斯普奥汀科技有限公司 | Using magnetic resonance wireless charging technology as the magnetic induction wireless charging system of relaying |
| CN114552747A (en) * | 2022-02-25 | 2022-05-27 | 清华大学深圳国际研究生院 | Power supply device for monitoring power supply of machining process of machining center |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578350B (en) * | 2015-02-10 | 2017-01-18 | 哈尔滨工业大学 | Non-contact power supply device for smart cutter handle |
| CN106571745A (en) * | 2015-10-10 | 2017-04-19 | 张炳全 | Static super electric energy machine and application |
| CN107008959B (en) * | 2017-05-12 | 2020-04-07 | 北京航空航天大学 | Non-contact inductive power supply elliptical ultrasonic machining device |
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- 2024-08-12 CN CN202411100513.XA patent/CN118983999B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109873477A (en) * | 2019-03-29 | 2019-06-11 | 成都斯普奥汀科技有限公司 | Using magnetic resonance wireless charging technology as the magnetic induction wireless charging system of relaying |
| CN114552747A (en) * | 2022-02-25 | 2022-05-27 | 清华大学深圳国际研究生院 | Power supply device for monitoring power supply of machining process of machining center |
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