JP2004049886A - Electric potential therapeutic apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a safe electric potential therapeutic apparatus having a long operating life without deterioration of parts, which can solve problems associated with EMC (electromagnetic compatibility) by eliminating an electric disturbing wave and can also enhance the safety in operations of the manufacturer. <P>SOLUTION: A discharge preventing electrode 19 or 21 made of a conductive substance or a substance having a high volume resistivity and molded in a form of a difficulty in discharge is arranged in the circumference of or in close contact with a member having possibilities of discharging. The discharge preventing electrode is connected electrically with a discharging part to make the discharge preventing electrode equipotential or near-equipotential with the discharging part. Alternatively, a predetermined electric potential is applied to the discharge preventing electrode to generate an appropriate potential difference from the discharging part. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a potential therapy device including a discharge prevention electrode.
[0002]
[Prior art]
An electric potential therapy device is a device that generates an electric field between a human body and the earth by applying a high potential of several hundreds to tens of thousands of volts, or an electric field between a pair of electrodes by applying a high voltage between the electrodes. Is a device that treats a disease by placing the human body in these electric fields, or leads the human body to health. Therefore, a high voltage generator is provided inside to generate a high voltage. One pole of the high voltage is connected to a wall, a floor, an exterior or the like, and further connected to the ground. Therefore, a high voltage of several hundreds to tens of thousands of volts is applied between the high voltage charging unit and the wall, floor, exterior, ground, and the like, and there is a large potential difference therebetween, and a strong electric field is generated.
[0003]
1 and 2 show the appearance of a general electric potential treatment device, FIG. 3 shows an electric block diagram of the electric potential treatment device of FIG. 1, and FIG. 4 shows an electric block diagram of the electric potential treatment device of FIG. In the figure, reference numeral 1 denotes a high-voltage generator, 2 denotes a power supply wire from a commercial power supply, 3 denotes a high-voltage output port, 4 denotes a high-voltage wire, 5 denotes a treatment electrode, 6 denotes an insulating insulator attached to the treatment power supply, 7 is a chair on which the patient sits, 8 is an insulating foot attached to the chair, and 9 is a patient. In FIGS. 1 and 3, the electric potential treatment device generates a high electric potential difference of hundreds to tens of thousands of volts between a treatment electrode 5 on which a patient's foot is placed and a counter electrode such as a wall, a floor, or the ground. During this time, a strong electric field is generated. In FIGS. 2 and 4, the electric potential treatment device includes the other treatment electrode 5 attached to a chair above the patient's head as a counter electrode.
[0004]
Thus, discharge occurs when the electric field strength exceeds a certain value. The strength of the electric field is proportional to the potential difference (= voltage) therebetween, and inversely proportional to the distance. Therefore, in order to reduce the electric field strength and stop the discharge, the voltage must be reduced or the distance between the charged portion and the wall, floor, or ground must be increased. However, in order to maintain the therapeutic effect, the voltage cannot be lowered, and the larger the distance, the larger the device. For this reason, in today's demand for miniaturization, it has not been able to become a commercial product, and therefore, the occurrence of discharge has to be tolerated.
[0005]
Even when the electric field has the same distance between two points and the same potential difference, the electric field has the property of concentrating on a cornered or pointed portion, and such a portion becomes a locally strong electric field and becomes a partial discharge ( Corona discharge). Due to such circumstances, in the conventional electric potential therapy device, partial discharge has occurred in the inside of the main body or at a portion where the therapy electrode is located. When the discharge is generated, electric noise is generated, and the electric noise propagates through the air through a power line of a commercial power supply or as an electromagnetic wave to enter other electronic devices, thereby causing malfunction of these devices.
[0006]
In particular, this problem is defined in the JIS and IEC standards as the EMC (Electromagnetic Compatibility; a property that does not cause electromagnetic interference to other devices and does not receive electromagnetic interference from other devices) EMC standard. Are becoming subject to regulatory restrictions.
[0007]
In addition to the above problems, conventionally, it has been a problem to improve the safety of the work of an assembling worker or an inspector (hereinafter, a manufacturer) in a manufacturing process of a potential therapy device. Hereinafter, a specific description will be given.
[0008]
A general electric potential therapy device is divided into a booster unit and a safety circuit unit on a circuit. And, by making the potential increase through the safety circuit part as an essential condition, in case of a high voltage part directly grounding outside the device or indirectly grounding through the patient, Also, the current is limited by the high impedance circuit inserted in the safety circuit section, thereby ensuring the safety of the device and the patient.
[0009]
However, in the manufacturing process, if the booster and the safety circuit are separately assembled and housed in the device, the safety circuit does not function from the output of the booster to the input of the safety circuit, so that the However, the safety when the person touches the part was not ensured.
[0010]
[Problems to be solved by the invention]
The present invention has been made in view of the above-mentioned conventional drawbacks, and an object of the present invention is to prevent partial discharge occurring in various parts of a potential therapy device, thereby causing other devices to malfunction. It is an object of the present invention to provide a potential therapy device that can solve the problem of the generation of an interference wave (EMC problem) and can achieve a safe and long life without deterioration of components.
[0011]
[Means for Solving the Problems]
The potential therapy device according to claim 1 generates an electric field between the human body and the ground by setting the human body to a high potential of several hundreds to tens of thousands of volts, or by applying a high voltage between a pair of electrodes. In a potential therapy device that generates an electric field between the electrodes, the potential therapy device is disposed around or in close contact with a member that may cause a discharge, and further includes a conductive substance or a substance having a high volume resistivity, and A discharge prevention electrode formed in a shape that is difficult to be formed, and electrically connecting the discharge prevention electrode to a discharge portion to make the same potential as the discharge portion, or applying a predetermined potential to the discharge portion to form the discharge prevention electrode. A potential generating means for generating an appropriate potential difference therebetween, thereby eliminating an electric field generated around the discharge portion, or stopping or reducing the discharge.
[0012]
The potential therapy device according to claim 2, wherein the discharge-preventing electrode is hardly discharged in a spherical shape, a disc shape having no corners at the boundary between the upper and lower surfaces and the circumferential surface, and connected by an arc or a smooth curve, An annular shape consisting of a line or a tube whose cross section is circular or elliptical, surrounded by a smooth curve without corners, circular or non-circular, an arm shape connected by a smooth curve without edges at the ends, The outer surface, in particular, the outer surface facing the counter electrode comprises one selected from a free shape covered with a flat or smooth surface, or a shape having no corners or sharp portions on the outer surface. Features.
[0013]
The potential therapeutic device according to claim 3, wherein the portion that may cause the discharge is a high-voltage output portion, a sharp portion or a square portion of a charged portion, or a metal portion at a ground potential such as an exterior, a wall, and a floor. It is characterized by being a pointed portion or a cornered portion.
[0014]
The electric potential therapy device according to claim 4, wherein the discharge prevention electrode is made of a metal which is mounted on a bolt attached to an insulator and a high voltage wiring is connected to a nut at a high voltage output portion of a high voltage generator. It is made of a member or a member made of conductive plastic.
[0015]
A potential therapeutic device according to a fifth aspect is characterized in that the metal member or the conductive plastic member of the discharge prevention electrode has a disk shape.
[0016]
According to a sixth aspect of the present invention, the metal member of the discharge prevention electrode is formed of a metal ring.
[0017]
8. The electric potential therapy device according to claim 7, wherein the discharge prevention electrode is mounted on a bolt attached to the insulator and disposed so as to cover a nut at a high voltage output portion of a high voltage generating section. Alternatively, it is characterized by being made of a conductive plastic member.
[0018]
The electric potential therapy device according to claim 8, wherein the discharge prevention electrode is attached to a bolt attached to an insulator at a high voltage output portion of a high voltage generation section, and is directed to a counter electrode side such as a wall, a floor, or an exterior. And a metal member or a conductive plastic member which is disposed.
[0019]
According to a ninth aspect of the present invention, the metal member or the conductive plastic member of the discharge prevention electrode has a disk shape.
[0020]
According to a tenth aspect of the present invention, the metal member of the discharge prevention electrode is formed of a metal ring.
[0021]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
The potential therapy device is shown in FIG. 1 or FIG. 2 described above. FIG. 5 is a schematic diagram of an insulator used for a high-voltage output portion or the like of a high-voltage generator. In this figure, a bolt 11 protrudes from a tip of an insulator 10, and a hexagon nut 12 is screwed on the bolt 11, and a lug terminal 13 attached to a tip of a high-voltage wire 14 for leading a high voltage to the outer periphery of the nut is provided. Has been concluded. In such a state, the electric field concentrates on the head 15 of the bolt, the thread 16, the corner 17 of the hexagon nut, and the corner 18 of the lug terminal, and a partial discharge occurs.
[0022]
FIG. 6A is a metal disk or conductive plastic which is a discharge prevention electrode (hereinafter referred to as a discharge prevention electrode 19) in which the bolt of FIG. 5 has a rounded outer periphery as shown in FIG. 6B. It is the schematic which attached the disc making disk. That is, a female screw 20 is cut on the inner periphery of the disk, and is attached to a male screw of the bolt. In FIG. 5, the portion which has been discharged in the past is shielded from the counter electrode by a discharge preventing disk having the same or substantially the same potential as that portion, and the disk and the discharged portion have the same or almost the same potential. During this time, the electric field disappears or the intensity is reduced, and the discharge is stopped or reduced.
[0023]
FIG. 7 (a) shows another embodiment, in which a coated electric wire 22 as shown in FIG. 7 (b) is formed into an annular shape, the starting point and the ending point thereof are aligned, and the electric wire is guided to almost the center of the ring. FIG. 2 is a schematic diagram in which parts are connected, and a discharge prevention ring (hereinafter, referred to as a discharge prevention electrode 21) electrically connected by soldering, a crimp sleeve, a crimp terminal 23, and the like is attached to the bolt 11. The principle of stopping the discharge is exactly the same as that of the embodiment shown in FIG. It should be noted that the discharge prevention ring may be replaced with a covered electric wire, and a bare electric wire, a cotton material made of a conductive material, a pipe made of a conductive material, or the like may be used.
[0024]
FIG. 8A shows still another embodiment. FIG. 8A is a schematic view in which a metal or conductive plastic arm-shaped electrode 24 shown in FIG. Show. The arm-shaped electrode 24 has an extending portion extending downward so as to cover the entire disk portion and the bolt. The principle of stopping the discharge is exactly the same as that of the embodiment according to FIG. 6A, but a wider range can be shielded than in FIG. 6A.
[0025]
FIG. 9A shows still another embodiment. The electrodes for preventing discharge shown in FIGS. 6A, 7A and 8A are effective in a discharge portion, for example, in the entire circumferential direction of the bolt tip. On the other hand, the discharge prevention electrode shown in FIG. 9A is effective when the right part of the bolt is separated from the counter electrode wall or floor 25.
[0026]
As shown in FIG. 9A, when the right portion of the bolt is separated from the wall or floor 25 which is the counter electrode, the electric field is weak at the right portion and no discharge is generated, but the left portion is the wall which is the counter electrode. Since the electric field is relatively close to the floor and the floor 25, the electric field is strong, and partial discharge occurs at corners such as volts. In this embodiment, in order to cope with such a partial discharge, a discharge preventing electrode 26 is provided on the left side. As shown in FIG. 9B, the discharge preventing electrode 26 has a mounting portion near the center of the metal or conductive plastic oval electrode 26 having a rounded outer peripheral portion. The discharge prevention electrode is provided on the left side of the discharge portion to block the discharge on the left side. Note that this method can be applied to a case where only one point is discharged. The principle of stopping the discharge is exactly the same as in the embodiment according to FIG.
[0027]
FIG. 10A shows still another embodiment, and is a schematic diagram in which a discharge prevention electrode 21 is provided on the left side of the bolt, as in the case of FIG. 9A. The discharge prevention electrode 21 shown in FIG. 10B is obtained by changing the discharge prevention ring shown in FIG. 7B into an oval shape, and may be made of the same material as that shown in FIG. 7B. The principle of discharge prevention is exactly the same as that of the embodiment shown in FIG.
[0028]
As described above, the discharge prevention electrode is provided around or in close contact with a member that may generate a discharge. The discharge prevention electrode is made of (1) a conductive material such as silver, copper, or carbon, and (2) a conductive material obtained by mixing conductive particles such as silver, copper, or carbon with plastic such as polyvinyl chloride or acrylic resin. (3) a substance having conductivity derived from the original polymer structure, that is, a substance having a high volume resistivity such as a conductive plastic material having a high resistance due to its intrinsic conductivity. It consists of any one of (1) to (3) or a combination thereof.
[0029]
The conductive plastic member and the substance having a high volume resistivity are arranged in parallel in a circuit. By using a material with a high volume resistivity, even when a manufacturer touches a high-voltage part, a current path is formed through a material having a high volume resistivity, so that a conductive material is touched. The current value flowing to the manufacturer can be reduced as compared with the case, and the safety of the manufacturer can be dramatically improved. Further, even if the volume resistivity of the conductive plastic changes, there is no problem in the safety of the manufacturer.
[0030]
Further, the preferable shape of the discharge prevention electrode from the viewpoint of “difficult to discharge” is (1) a spherical shape, and (2) an arc or a smooth curve having no corners at the boundary between the upper and lower surfaces and the circumferential surface. Disk shape, (3) circular or elliptical cross-section, ring shape consisting of lines or tubes surrounded by a smooth curve without corners, circular or non-circular, (4) no corners at the ends Arm shape connected by a smooth curve; (5) free surface in which the outer surface, particularly the outer surface facing the counter electrode is covered by a flat or smooth curved surface; (6) corners or sharp points on the outer surface It has one shape selected from the shapes having no portions and the shapes described in (1) to (6) above.
[0031]
【The invention's effect】
As described above, according to the electric potential therapy apparatus according to the present invention, it is possible to prevent an electric interference wave, solve an EMC problem, achieve a safe and long life without deterioration of parts, Work safety can be improved.
Further, in the case of the electric potential therapy apparatus according to the present invention, since a substance having a high volume resistivity is used for the discharge prevention electrode, in the manufacturing process, even if the manufacturer touches the high voltage portion, the high volume resistivity is obtained. A current path is formed via the substance having the above, the current value flowing to the manufacturer can be reduced, and the safety of the manufacturer can be dramatically improved.
[Brief description of the drawings]
FIG. 1 is a schematic view showing a general electric potential therapy device.
FIG. 2 is a schematic view showing another general electric potential treatment device.
FIG. 3 is a diagram showing an electric block of the electric potential therapy device shown in FIG. 1;
FIG. 4 is a diagram showing an electric block of the electric potential therapy device shown in FIG. 2;
FIG. 5 is a schematic view showing an insulator portion which is likely to cause a discharge in the potential therapy device.
FIG. 6A is a schematic diagram showing a state in which a discharge prevention electrode is attached to the insulator according to the present invention, and FIG. 6B is a schematic diagram showing the discharge prevention electrode of FIG. 6A.
7A is a schematic view showing a state where a discharge prevention electrode is attached to the insulator according to the present invention, and FIG. 7B is a schematic view showing the discharge prevention electrode of FIG. 7A.
8A is a schematic view showing a state in which a discharge prevention electrode is attached to the insulator according to the present invention, and FIG. 8B is a schematic view showing the discharge prevention electrode of FIG. 8A.
9A is a schematic diagram showing a state where a discharge prevention electrode is attached to the insulator according to the present invention, and FIG. 9B is a schematic diagram showing the discharge prevention electrode of FIG. 9A.
10A is a schematic view showing a state where a discharge prevention electrode is attached to the insulator according to the present invention, and FIG. 10B is a schematic view showing the discharge prevention electrode of FIG. 10A.
[Explanation of symbols]
10: Insulator 11: Bolt 14: High-voltage wire 16: Thread 19: Discharge prevention electrode 21: Discharge prevention electrode 22: Insulated wire 23: Crimp terminal 24: Arm electrode 26; Oval electrode

Claims (10)

An electric field is generated between the human body and the ground by setting the human body to a high potential of hundreds to tens of thousands of volts, or an electric field is generated between the electrodes by applying a high voltage between a pair of electrodes. In a potential therapy device,
A discharge prevention electrode disposed around or in close contact with a member that may generate a discharge, further formed of a conductive substance or a substance having a high volume resistivity, and formed into a shape that is difficult to discharge; A potential generating means for electrically connecting the electrode to the discharge portion to make it equal to the discharge portion, or applying a predetermined potential to the discharge portion to generate an appropriate potential difference between the discharge portion and the discharge portion; An electric potential treatment device comprising: an electric field generated around the discharge portion, thereby eliminating or stopping or reducing the electric discharge. The shape of the discharge prevention electrode that is difficult to discharge has a spherical shape, a disk shape connected by an arc or a smooth curve without a corner at the boundary between the upper and lower surfaces and the circumferential surface, a cross section of a circle or an ellipse, and a corner. An annular shape consisting of lines or tubes of a shape surrounded by a smooth curve, circular or non-circular, an arm shape connected by a smooth curve with no corner at the end, the outer surface, especially facing the counter electrode 2. The potential treatment according to claim 1, wherein the outer surface has one selected from a free shape covered with a flat surface or a smooth curved surface, or a shape having no corners or sharp portions on the outer surface. vessel. The portion that may cause the discharge is a sharp portion or a sharp portion of a high voltage output portion or a sharp portion or a sharp portion of a charged portion, or a sharp portion or a sharp portion of a metal portion at a ground potential such as an exterior, a wall, and a floor. The potential therapy device according to claim 1, wherein The discharge prevention electrode is made of a metal member or a conductive plastic member attached to a bolt attached to an insulator and connecting a high voltage wiring to a nut at a high voltage output portion of a high voltage generating section. The potential therapy device according to claim 1, wherein: The electric potential treatment device according to claim 4, wherein the metal member or the conductive plastic member of the discharge prevention electrode has a disk shape. The potential therapy device according to claim 4, wherein the metal member of the discharge prevention electrode is formed of a metal ring. The discharge prevention electrode may be formed of a metal member or a conductive plastic member attached to a bolt attached to the insulator and arranged to cover the nut at a high voltage output portion of the high voltage generating section. The potential therapy device according to claim 1, wherein The discharge prevention electrode is a high-voltage output portion of the high-voltage generating portion, a metal member mounted on a bolt attached to the insulator, and disposed toward the counter electrode side such as a wall, a floor, or an exterior, or The electric potential treatment device according to claim 1, wherein the electric potential treatment device is a member made of conductive plastic. The electric potential treatment device according to claim 8, wherein the metal member or the conductive plastic member of the discharge prevention electrode has a disk shape. 9. The potential therapy device according to claim 8, wherein the metal member of the discharge prevention electrode is formed of a metal ring.

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