CN114944283A - Variable-capacitance transcranial magnetic pulse capacitor bank - Google Patents

Variable-capacitance transcranial magnetic pulse capacitor bank Download PDF

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Publication number
CN114944283A
CN114944283A CN202210666779.5A CN202210666779A CN114944283A CN 114944283 A CN114944283 A CN 114944283A CN 202210666779 A CN202210666779 A CN 202210666779A CN 114944283 A CN114944283 A CN 114944283A
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CN
China
Prior art keywords
negative
capacitor
piece
positive
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210666779.5A
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Chinese (zh)
Inventor
张德伦
龙景焱
刘行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN YINGZHI TECHNOLOGY CO LTD
Original Assignee
SHENZHEN YINGZHI TECHNOLOGY CO LTD
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Filing date
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Application filed by SHENZHEN YINGZHI TECHNOLOGY CO LTD filed Critical SHENZHEN YINGZHI TECHNOLOGY CO LTD
Priority to CN202210666779.5A priority Critical patent/CN114944283A/en
Publication of CN114944283A publication Critical patent/CN114944283A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/38—Multiple capacitors, e.g. ganged
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00—Magnetotherapy
    • A61N2/004—Magnetotherapy specially adapted for a specific therapy
    • A61N2/006—Magnetotherapy specially adapted for a specific therapy for magnetic stimulation of nerve tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00—Magnetotherapy
    • A61N2/02—Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/01—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/01—Details
    • H01G5/014—Housing; Encapsulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/01—Details
    • H01G5/015—Current collectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/40—Structural combinations of variable capacitors with other electric elements not covered by this subclass, the structure mainly consisting of a capacitor, e.g. RC combinations

Abstract

The invention discloses a transcranial magnetic pulse capacitor bank with a variable capacitance value, which comprises a shell, a plurality of capacitors, a positive plate, a negative plate and a switch assembly, wherein the shell is provided with a plurality of capacitors; the capacitor, the positive plate, the negative plate and the switch assembly are arranged in the shell, the positive electrode and the positive plate of each capacitor are electrically connected, the negative electrode and the switch assembly of each capacitor are electrically connected, the switch assembly and the negative plate are electrically connected, and the switch assembly controls the conduction of each capacitor. The plurality of capacitors are electrically connected with the positive plate, and the negative electrodes of the capacitors are electrically connected with the negative plate through the switch assembly, so that the product can adjust the number of the capacitors connected into a circuit, further adjust the capacitance value of the capacitor connected into the current pulse generator, control the pulse width of the output pulse of the transcranial magnetic stimulation coil, and realize the diversification of the pulse width output of the same magnetic stimulation device.

Description

Variable-capacitance transcranial magnetic pulse capacitor bank
Technical Field
The invention relates to the field of transcranial magnetic pulse capacitance equipment, in particular to a transcranial magnetic pulse capacitance set with a variable capacitance value.
Background
The transcranial magnetic stimulation technology is a non-invasive nerve regulation technology, and the technical principle of realizing the technology is that an energy storage capacitor discharges instantaneously to an exciting coil to generate pulse current, the exciting coil is excited to generate a transient magnetic field, the transient magnetic field cuts nerve tissues in cerebral cortex to generate an induction electric field, and the cell membrane potential is changed, so that the function regulation and control of central nerve are achieved.
The transcranial magnetic stimulation device generally comprises a current pulse generator and a stimulation coil, wherein a boosting plate, a high-voltage energy storage capacitor and a discharge switch are arranged in the current pulse generator, an inductance coil is arranged in the stimulation coil, and when the transcranial magnetic stimulation device works, the boosting plate in the current pulse generator firstly charges the high-voltage energy storage capacitor and then carries out pulse discharge on the inductance coil of the stimulation coil through the discharge switch, so that a pulse magnetic field is generated, and the purpose of stimulating nerves is achieved.
The characteristics of the pulse magnetic field are determined by the characteristics of the inductance coil and the pulse current passing through the inductance coil, and the different characteristics of the magnetic field directly influence the different characteristics of the induction electric field generated in the skull, so that different influences of the cell membrane potential play different roles in regulation and control.
The pulse current of the transcranial magnetic stimulation equipment applied in clinic at present is generally a single-cycle sinusoidal pulse, and has two key characteristics: the current amplitude and the pulse width are realized by adjusting the voltage of the pulse capacitor, which is easy to achieve, but the pulse width adjusting capability is not provided, so that the limitation on the pulse width exists, and the treatment diversification is influenced.
The high-voltage energy-storage capacitor in the existing current pulse generator is fixed, the frequency parameter of a discharge loop consisting of the high-voltage energy-storage capacitor and the stimulating coil inductor is fixed, and only pulse current with fixed pulse width can be generated, so that the pulse width of an output magnetic field is also fixed, and the regulation and control effect is relatively single in clinical application.
Disclosure of Invention
The invention provides a transcranial magnetic pulse capacitor bank with a variable capacitance value, and aims to solve the problem that an energy storage capacitor in existing transcranial magnetic equipment cannot be adjusted.
According to the embodiment of the application, the transcranial magnetic pulse capacitor bank with the variable capacitance value comprises a shell, a plurality of capacitors, a positive plate, a negative plate and a switch assembly; the capacitor, the positive plate, the negative plate and the switch assembly are arranged in the shell, the positive plate comprises a first positive end and a second positive end which extend out of the shell, the negative plate comprises a first negative end and a second negative end which extend out of the shell, the positive electrode of each capacitor is electrically connected with the positive plate, the negative electrode of each capacitor is electrically connected with the switch assembly, and the switch assembly is electrically connected with the negative plate; the switching assembly controls the conduction of each capacitor.
Preferably, the number of the switch assemblies corresponds to the number of the capacitors one to one, and each switch assembly independently controls conduction of each capacitor; the switch assembly comprises a male clamping piece, a rotating piece, a connecting piece and a driving piece, wherein the connecting piece is electrically connected with the negative pole piece, the male clamping piece is electrically connected with the negative pole of the capacitor, one end of the rotating piece is rotationally connected with the connecting piece, the rotating piece is rotationally arranged in or separated from the male clamping piece, and the driving piece drives the rotating piece to rotate; the rotating sheet is electrically connected with the connecting sheet.
Preferably, the driving member comprises a linear servo motor rotor and a linear servo motor stator, the linear servo motor stator pushes the linear servo motor rotor to stretch, one end of the linear servo motor rotor is rotatably connected with the rotating piece, and one end of the linear servo motor stator, which is far away from the linear servo motor rotor, is rotatably connected with the shell.
Preferably, the side of casing is equipped with the holding chamber, the holding intracavity is equipped with the control panel, the control panel with the driving piece electricity is connected.
Preferably, the positive plate and the negative plate are of an integrally molded structure.
Preferably, the first positive terminal and the first negative terminal are located on the same side of the housing, and the second positive terminal and the second negative terminal are located on the same side of the housing.
Preferably, the positive plate and the negative plate are in an L-shaped structure, and the positive plate and the negative plate are respectively arranged at the positions of the long edge and the wide edge of the shell.
The transcranial magnetic pulse capacitor set with the variable capacitance value provided by the invention has the following beneficial effects:
1. the plurality of capacitors are electrically connected with the positive plate, and the negative electrodes of the capacitors are electrically connected with the negative plate through the switch assembly, so that the product can adjust the number of the capacitors connected into a circuit, further adjust the capacitance value of the capacitor connected into the current pulse generator, control the pulse width of the output pulse of the transcranial magnetic stimulation coil, and realize the diversification of the pulse width output of the same magnetic stimulation device. Meanwhile, the plurality of device structures for adjusting the capacitance value are all arranged in the shell, and the positive end and the negative end of the connecting wire are exposed out of the shell, so that the whole product is a finished product assembly which can be used as a modified assembly of transcranial magnetic stimulation equipment, can be directly replaced on the existing transcranial magnetic stimulation equipment to realize nondestructive installation, new equipment does not need to be developed, and particularly, the box structure of the shell is particularly suitable for being arranged in the transcranial magnetic stimulation equipment, so that the use of the original equipment is not influenced while the occupied area is reduced.
2. The device can be connected with a master control system on the transcranial magnetic stimulation device to realize automatic control by arranging a connection and disconnection mode that a driving piece drives a rotating piece to rotate and combining communication of a control panel, capacitors with different capacitance values can be installed on each capacitor as required, and switch assemblies in one-to-one correspondence are arranged for each capacitor, so that flexible switching adjustment of the capacitance values is realized, and disassembly and assembly are not needed.
3. The switch assembly drives the rotating sheet to rotate to insert the male clamping sheet in a manner of arranging the linear servo motor rotor and the linear servo motor stator, namely, a mechanical structure and a contact are used for switching a circuit, so that high voltage resistance and a high current path are realized, and the use safety and stability of equipment are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a transcranial magnetic pulse capacitor bank with variable capacitance according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a housing in a variable-capacitance transcranial magnetic pulse capacitor bank according to a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a top view angle inside a housing of a variable-capacitance transcranial magnetic pulse capacitor bank according to a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a switch assembly in a variable-capacitance transcranial magnetic pulse capacitor bank according to a first embodiment of the present invention.
Description of reference numerals:
1. a housing; 11. an accommodating cavity;
2. a capacitor;
3. a positive plate; 31. a first positive terminal; 32. a second positive terminal;
4. a negative plate; 41. a first negative terminal; 42. a second negative terminal;
5. a switch assembly; 51. a male clip; 52. a rotating sheet; 53. connecting sheets; 54. a drive member; 541. a linear servo motor mover; 542. a linear servo motor stator;
100. and a control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.
Referring to fig. 1, 2 and 3, the present invention discloses a transcranial magnetic pulse capacitor set with variable capacitance value, which is used for connecting to a capacitor component in a transcranial magnetic current pulse generator, which comprises a shell 1, a plurality of capacitors 2, a positive plate 3, a negative plate 4 and a switch component 5, wherein the capacitors 2, the positive plate 3, the negative plate 4 and the switch component 5 are arranged in the shell 1, the positive electrode tab 3 comprises a first positive end 31 and a second positive end 32 extending outside the housing, the negative plate 4 comprises a first negative end 41 and a second negative end 42 extending outside the housing, the positive electrode of each capacitor 2 is electrically connected with the positive plate 3, the negative electrode of each capacitor 2 is electrically connected with the switch component 5, the switch assembly 5 is electrically connected with the negative pole piece 4, and the switch assembly 5 controls the conduction of each capacitor 2.
The case 1 may include an upper cover and a lower cover, which are fastened to each other and form an accommodating space therein, and the plurality of capacitors 2, the positive electrode tab 3, the negative electrode tab 4, and the switch assembly 5 are built in the case 1.
The first positive terminal 31 and the first negative terminal 41 may serve as positive and negative interfaces of a charging interface for connecting to an external boost plate charging line, and the second positive terminal 32 and the second negative terminal 42 may serve as positive and negative interfaces of a discharging interface of the plurality of capacitors 2.
It is understood that, in the present embodiment, the positive electrode tab and the negative electrode tab are of an integrally molded structure. The first positive terminal 31 and the first negative terminal 41 are located on the same side of the housing, and the second positive terminal 32 and the second negative terminal 42 are located on the same side of the housing, so that two interface terminals located on the same side can be distinguished according to functions, for example, the first positive terminal 31 and the first negative terminal 41 serve as charging terminals, and the second positive terminal 32 and the second negative terminal 42 serve as discharging terminals, thereby facilitating the wiring of users. Specifically, the positive plate and the negative plate are of an L-shaped structure, the positive plate and the negative plate are respectively arranged at the positions of the long edge and the wide edge of the casing 1, and the plurality of capacitors 2 are sequentially arranged along the direction of the long edge of the casing 1.
It can be understood that the capacitor 2 and the positive plate 3 are connected through a conducting wire, the conducting wire and the capacitor 2 are soldered, the positive plate 3 is provided with a matched interface, and the interface is connected through a copper nose and a screw.
With continuing reference to fig. 2, fig. 3 and fig. 4, the number of the switch assemblies 5 corresponds to the number of the capacitors 2, and each switch assembly 5 independently controls the conduction of each capacitor 2. Specifically, the switch assembly 5 includes a male clamping piece 51, a rotating piece 52, a connecting piece 53 and a driving piece 54, the connecting piece 53 is electrically connected to the negative pole piece 4, the male clamping piece 51 is electrically connected to the negative pole of the capacitor 2, one end of the rotating piece 52 is rotatably connected to the connecting piece 53, the rotating piece 52 is rotatably inserted into or separated from the male clamping piece 51, and when the rotating piece is inserted into the male clamping piece 51, the rotating piece 52 is in contact with the male clamping piece 51 to realize electrical connection. The driving part 54 drives the rotating sheet 52 to rotate, and the rotating sheet 52 is electrically connected with the connecting sheet 53.
When a user needs to adjust the capacitance value of the capacitor connected into the current pulse generator, the corresponding rotating sheet 52 in the control switch assembly 5 rotates to be in contact with the male clamping sheet 51 for conduction, the capacitance value of the capacitor 2 can be preassembled into the shell 1 as required, and meanwhile, the access change of different capacitance values can be realized by rotating different rotating sheets 52.
The driving member 54 includes a linear servo motor rotor 541 and a linear servo motor stator 542, the linear servo motor stator 542 drives the linear servo motor rotor 541 to extend and retract, one end of the linear servo motor rotor 541 is rotatably connected to the rotating plate 52, one end of the linear servo motor stator 542, which is far away from the linear servo motor rotor 541, is rotatably connected to the casing 1, and the rotating plate 52 can be driven to rotate by the extension and retraction of the linear servo motor rotor 541.
Optionally, as an embodiment, the driving part 54 may also be a rotation driving device based on a rotation motor, or the rotating sheet 52 may also be a conductive sheet structure that moves linearly, as long as the rotating sheet 52 can adjust the on or off state in the access circuit under the driving of the driving part 54, which is not described herein again.
Referring to fig. 2, an accommodating cavity 11 is formed in a side surface of the housing 1, a control board 100 is disposed in the accommodating cavity 11, the control board 100 is electrically connected to the driving member 54, the control board 100 can be used for connecting to an external control device and receiving control information, so that the control board 100 controls different designated driving members 54 to drive the rotating pieces 52, thereby implementing on or off states of different capacitors 2.
The transcranial magnetic pulse capacitor set with the variable capacitance value provided by the invention has the following beneficial effects:
1. the plurality of capacitors are electrically connected with the positive plate, and the negative electrodes of the capacitors are electrically connected with the negative plate through the switch assembly, so that the product can adjust the number of the capacitors connected into a circuit, further adjust the capacitance value of the capacitor connected into the current pulse generator, control the pulse width of the output pulse of the transcranial magnetic stimulation coil, and realize the diversification of the pulse width output of the same magnetic stimulation device. Meanwhile, the plurality of device structures for adjusting the capacitance value are all arranged in the shell, and the positive end and the negative end of the connecting wire are exposed out of the shell, so that the whole product is a finished product assembly which can be used as a modified assembly of transcranial magnetic stimulation equipment, can be directly replaced on the existing transcranial magnetic stimulation equipment to realize nondestructive installation, new equipment does not need to be developed, and particularly, the box structure of the shell is particularly suitable for being arranged in the transcranial magnetic stimulation equipment, so that the use of the original equipment is not influenced while the occupied area is reduced.
2. The device can be connected with a master control system on the transcranial magnetic stimulation device to realize automatic control by arranging a connection and disconnection mode that a driving piece drives a rotating piece to rotate and combining communication of a control panel, capacitors with different capacitance values can be installed on each capacitor as required, and switch assemblies in one-to-one correspondence are arranged for each capacitor, so that flexible switching adjustment of the capacitance values is realized, and disassembly and assembly are not needed.
3. The switch assembly drives the rotor plate to rotate to insert the male clamping piece in a plugging mode by arranging the linear servo motor rotor and the linear servo motor stator, namely, a mechanical structure and a contact are used for switching a circuit, high voltage resistance and high current access are realized, and the use safety and stability of equipment are improved.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A transcranial magnetic pulse capacitor bank with a variable capacitance value is characterized by comprising a shell, a plurality of capacitors, a positive plate, a negative plate and a switch assembly;
the capacitor, the positive plate, the negative plate and the switch assembly are arranged in the shell, the positive plate comprises a first positive end and a second positive end which extend out of the shell, the negative plate comprises a first negative end and a second negative end which extend out of the shell, the positive electrode of each capacitor is electrically connected with the positive plate, the negative electrode of each capacitor is electrically connected with the switch assembly, and the switch assembly is electrically connected with the negative plate;
the switching assembly controls the conduction of each capacitor.
2. The variable capacitance transcranial magnetic pulse capacitor bank according to claim 1, wherein: the number of the switch assemblies corresponds to the number of the capacitors one by one, and each switch assembly independently controls the conduction of each capacitor;
the switch assembly comprises a male clamping piece, a rotating piece, a connecting piece and a driving piece, the connecting piece is electrically connected with the negative pole piece, the male clamping piece is electrically connected with the negative pole of the capacitor, one end of the rotating piece is rotationally connected with the connecting piece, the rotating piece is rotationally arranged in or separated from the male clamping piece, and the driving piece drives the rotating piece to rotate;
the rotating sheet is electrically connected with the connecting sheet.
3. The variable capacitance transcranial magnetic pulse capacitor bank according to claim 2, wherein: the driving piece comprises a linear servo motor rotor and a linear servo motor stator, the linear servo motor stator pushes the linear servo motor rotor to stretch, one end of the linear servo motor rotor is connected with the rotating piece in a rotating mode, and the linear servo motor stator is far away from one end of the linear servo motor rotor and connected with the shell in a rotating mode.
4. The variable capacitance transcranial magnetic pulse capacitor bank according to claim 2, wherein: the side of casing is equipped with the holding chamber, the holding intracavity is equipped with the control panel, the control panel with the driving piece electricity is connected.
5. The variable capacitance transcranial magnetic pulse capacitor bank according to claim 1, wherein: the positive plate and the negative plate are of an integrally formed structure.
6. The variable capacitance transcranial magnetic pulse capacitor bank according to claim 1, wherein: the first positive terminal and the first negative terminal are located on the same side face of the shell, and the second positive terminal and the second negative terminal are located on the same side face of the shell.
7. The variable capacitance transcranial magnetic pulse capacitor bank according to claim 6, wherein: the positive plate and the negative plate are of L-shaped structures, and the positive plate and the negative plate are respectively arranged at the positions of the long edge and the wide edge of the shell.
CN202210666779.5A 2022-06-14 2022-06-14 Variable-capacitance transcranial magnetic pulse capacitor bank Pending CN114944283A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210666779.5A CN114944283A (en) 2022-06-14 2022-06-14 Variable-capacitance transcranial magnetic pulse capacitor bank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210666779.5A CN114944283A (en) 2022-06-14 2022-06-14 Variable-capacitance transcranial magnetic pulse capacitor bank

Publications (1)

Publication Number Publication Date
CN114944283A true CN114944283A (en) 2022-08-26

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ID=82908512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210666779.5A Pending CN114944283A (en) 2022-06-14 2022-06-14 Variable-capacitance transcranial magnetic pulse capacitor bank

Country Status (1)

Country Link
CN (1) CN114944283A (en)

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