JP2000005324A - Potential therapeutic appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a weight and to improve operability by providing the appliance with a voltage doubling rectifier which generates a high voltage by doubling the output voltage of a power source multiple times and a voltage varying circuit which varies the output voltage of this powder to an arbitrary voltage level and supplies this voltage to the voltage doubling rectifier. SOLUTION: The output voltage of the AC power source 10 is shaped to full-wave rectification, full-wave rectification limited in the voltage level or half wave rectification by the voltage varying circuit 14 and is supplied to the voltage doubling rectifier 12. The full-wave rectification output, the full-wave rectification output limited in the voltage level or the half-wave rectification output is doubled to multiple times by the voltage doubling rectifier 12 to generate negative high voltage which is impressed to a heater 13 for minus ion formation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ion effect when negative ions are generated, for example, for back pain, stiff shoulders,
The present invention relates to a potential treatment device for treating a headache or the like.

[0002]

2. Description of the Related Art FIG. 2 is a block diagram of a negative ion generating circuit disclosed in, for example, Japanese Utility Model Laid-Open No. 55-180540 as such a potential therapy instrument. The negative ion generating circuit includes a power supply unit 1, a power supply display circuit unit 2, a booster circuit unit 3, a rectifier circuit unit 4, and a generating end unit 5.
The power supply section 1 has three batteries E ₁ , E ₂ , E ₃ connected directly, a power switch S connected to one end thereof, and a power supply voltage between the batteries E ₁ , E ₂ , E _3. The configuration is such that the selection switches S ₁ , S ₂ and S ₃ are connected.

Power supply voltage selection switches S ₁ , S ₂ , S ₃
Switches the voltage level supplied to the primary winding of the transformer Th, and changes the voltage level appearing on the secondary winding of the transformer Th by this switching.

The booster circuit section 3 connects one end of a primary winding of a transformer Th to a positive terminal of a power supply section 1 via a resistor R ₂ , and connects the other end of the primary winding to a base terminal of an NPN transistor Tr. It has a connected configuration. The emitter terminal of the NPN transistor Tr is grounded, the collector terminal of the transistor Tr is connected to one end of the secondary winding of the transformer Th, and the intermediate tap of the secondary winding of the transformer Th is connected to the resistance R of the primary winding. Returned to ₂ .

[0005] The rectifier circuit section 4 includes capacitors C ₁ , C
₂ , C ₃ and each diode D ₁ , D ₂ , D ₃ rectifies the high-voltage pulsating current appearing in the secondary winding of the transformer Th and sends it to the generating end 5 through the resistor R _3. It has become.

The generating end 5 is formed by connecting a generating plate 7 to a cord end having an appropriate length, for example.
For example, a metal such as carbon or aluminum is vapor-deposited on a flexible thin plate 8 made of a sheet of cloth, synthetic resin, rubber, or the like, and a conductive film 9 is coated thereon.

With such a configuration, the voltage level supplied to the primary winding of the transformer Th is switched by the power supply voltage selection switches S ₁ , S ₂ , S ₃ , and the transformer T
The negative high voltage appearing on the secondary winding of h is applied to the generator plate 7. The generator plate 7 is filled with negative ions. For example, the ions in the blood of the human body along the generator plate 7 are converted into minus ions to convert the blood to slightly alkaline.

[0008]

However, the above-mentioned electric potential therapy instrument includes a transformer Th, and the transformer T
Since the negative voltage level supplied to the primary winding h is changed stepwise, the transformer Th becomes large and the weight increases in order to obtain high output. Therefore, when used as a controller of a handy type electric potential treatment instrument, the operability is deteriorated due to the weight of the transformer Th. Therefore, an object of the present invention is to provide a potential treatment instrument which reduces weight and improves operability.

[0009]

According to a first aspect of the present invention, there is provided a potential therapy device for generating a negative ion by a high voltage and performing a treatment by the ion effect, wherein the output voltage of a power source is doubled a plurality of times. And a voltage variable circuit that varies the output voltage of the power supply to an arbitrary voltage level and supplies the voltage to the voltage doubler rectifier circuit.

According to a second aspect of the present invention, in the potential therapy device according to the first aspect, the voltage variable circuit includes a first half-wave rectifying element connected between the power supply and the voltage doubler rectifier circuit; A first series circuit including a second half-wave rectifying element and a first switching element, which are connected in the opposite direction to the first half-wave rectifying element connected between the voltage doubler rectifying circuit, and a power supply A third half-wave rectifier element, a second switching element, and a current-limiting resistor, which are in the opposite direction to the first half-wave rectifier element connected between And two series circuits.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram of a potential treatment device. To an AC power supply (100 V) 10, the voltage doubler rectifier circuit 12 via a power switch 11 and the lash resistor R ₁₀ for current limitation is connected. This voltage doubler rectifier circuit 1
2, Cockcroft voltage doubler rectifier circuit intended quadruple voltage rectifier to which the, here four capacitors C ₁₀ -C ₁₃ and 4
It consists One of the diode D ₁₀ to D _13, four diodes D ₁₀ to D ₁₃ connected in series, and to connect the capacitor C ₁₀ between the diode D ₁₀ and D ₁₁ of this, the diode D ₁₀ and capacitor C ₁₁ connected in parallel with respect to D _11, connected in parallel with capacitor C ₁₂ for each diode D ₁₁ and D _12, connected in parallel a capacitor C ₁₃ for each diode D ₁₂ and D ₁₃ It has a configuration. Incidentally, a diode D ₁₀ and the capacitor C _10, resistor R ₁₁ for impedance matching at the time when the resistance R _i of the current limiting is connected are connected in parallel.

[0012] The fold to a connection point d between the output terminal or the diode D ₁₃ and the capacitor C ₁₃ of the voltage rectifier circuit 12, an output resistor R _o through respective resistors R ₁₂ to R ₁₄ of the dividing is connected, this The heater 13 is connected to the output resistance _Ro .

The heater 13 is filled with negative ions when a high negative voltage is applied. For example, the heater 13 converts ions in the blood of a human body along the heater 13 into minus alkali to make the blood weakly alkaline. Becomes The heater 13 is usually used as a heater such as an electric blanket, and is used for generating negative ions by switching a switch (not shown) when the electric blanket is not used.

Further, the capacitor C _{10 of the} voltage doubler rectifier circuit 12
And the connection point between the resistor R _11, the voltage variable circuit 14 supplies a variable output voltage to the voltage doubler rectifier circuit 12 to any voltage level of the AC power source 10 is connected.

Specifically, the voltage variable circuit 14 includes the AC power supply 1
A first half-wave rectifier diode D ₂₀ is connected between the AC power supply 10 and the voltage doubler rectifier circuit 1.
The second half-wave rectifying diode D ₂₁ and the first NPN as a direction opposite to the half-wave rectifying diode D ₂₀ between the 2
A series circuit of a type transistor (hereinafter referred to as a transistor) Q ₁ is connected, and the resistor R _i and the half-wave rectifier diode D ₂₀ are connected between the AC power supply 10 and the voltage doubler rectifier circuit 12.
A third half-wave rectifier diode D _{22 in the} opposite direction to
And a series circuit of a _second NPN transistor (hereinafter, referred to as a transistor) Q2.

The transistors Q ₁ and Q ₂ are connected to the control circuit 15 via the respective resistors R ₁₅ and R ₁₆ . The control circuit 15 is connected to the switches 16 and 17 for the output voltage selected and these switch 16 is turned on, sending a base on the control current of the transistor Q ₁ through detecting and resistor R ₁₅ this and has the switch 17 is turned on, the function of transmitting the base on the control current of the transistor Q ₂ through detecting and resistor R ₁₆ this.

Next, the operation of the electric potential treatment instrument configured as described above will be described. First, the power switch 11 is turned on, the switch 16 for the output voltage selected is turned on, the control circuit 15 detects the on of the switch 16, based on the ON control of the transistor Q ₁ through a resistor R ₁₅ current sends a to the transistor Q ₁ in the oN state.

In this state, the output of the AC power supply 11 flows from each of the resistors R ₁₀ and R ₁₁ through the diode D ₂₁ and the transistor Q ₁ in a half cycle thereof, and from the diode D ₂₀ to each of the resistors R _{11 in the} other half cycle. flows through R _10, thereby being supplied to the voltage doubler rectifier circuit 12 is a full-wave rectification.

[0019] In the voltage doubler rectifier circuit 12, known Cockcroft times voltage rectifier diodes D ₁₀ similar to the action of the flow ~D
₁₃ respectively charged is performed in the capacitors C ₁₀ -C ₁₃ through, for charging the the capacitors C ₁₀ -C ₁₃ results, for example, a negative voltage at the connection point a -141 [V], a negative voltage at the connection point b -282 [V], negative voltage -423 at node c
[V], a negative voltage of −564 [V] at the connection point d.

The voltage at the connection point d is the voltage doubler rectifier circuit 1.
Obtained as second output voltage, for example, a negative high voltage -300 by the resistors R ₁₂ to R ₁₄ of the output voltage dividing [V]
The negative high voltage is applied to the heater 13 through the output resistor _Ro .

The application of the negative high voltage causes the heater 13 to be filled with negative ions. For example, the ions in the blood of the human body along the heater 13 are converted into minus ions to change the blood to slightly alkaline. .

Next, when the power switch 11 is turned on and the switch 17 for selecting the output voltage is turned on, the control circuit 15 detects that the switch 17 is turned on, and
The base of the transistor Q ₂ sends the ON control current through _16, the transistor Q ₂ in the ON state.

In this state, the output of the AC power supply 11 is supplied from each of the resistors R ₁₀ and R ₁₁ during the half cycle thereof to the current limiting resistor R.
_i , diode D ₂₂ , flowing through transistor Q ₂ ,
Each resistor R ₁₁ to the remainder of the half cycle from the diode D _20, R
It flows through _10, thereby being supplied to the voltage doubler rectifier circuit 12 is a full-wave rectification is suppressed in voltage level by the resistors R _i for current limiting.

[0024] In the voltage doubler rectifier circuit 12, the same each capacitor C ₁₀ through the diodes D ₁₀ to D ₁₃ in -C ₁₃
Respectively, and these capacitors C _{10 to} C ₁₃
As a result, a negative voltage of −423 [V] is obtained at the connection point d as an output voltage of the voltage doubler rectifier circuit 12.

The output voltage of the voltage doubler rectifier circuit 12 is, for example, a negative high voltage −255 by the respective voltage dividing resistors R _{12 to} R _14.
[V], and the negative high voltage is applied to the heater 13 through the output resistor _Ro . By applying the negative high voltage, the heater 13 is filled with negative ions.

Next, if the power switch 11 is turned on and the switches 16 and 17 for selecting the output voltage are both off, the transistors Q ₁ and Q ₂ are both off. In this state, the output of the AC power supply 11 is the diode D ₂₀
The rectified half-wave rectified current is supplied to the voltage doubler rectifier circuit 12.

[0027] In the voltage doubler rectifier circuit 12, the same each capacitor C ₁₀ through the diodes D ₁₀ to D ₁₃ in -C ₁₃
Respectively, and these capacitors C _{10 to} C ₁₃
As a result, a negative voltage of -280 [V] is obtained at the connection point d as an output voltage of the voltage doubler rectifier circuit 12.

[0028] Each resistor R ₁₂ to R _14, for example, by the negative high voltage of the output voltage of the voltage doubler rectifier circuit 12 is dividing -150
[V], and the negative high voltage is applied to the heater 13 through the output resistor _Ro . By applying the negative high voltage, the heater 13 is filled with negative ions.

As described above, in one embodiment,
The output voltage of the AC power supply 10 is shaped by the voltage variable circuit 14 into full-wave rectification, full-wave rectification or half-wave rectification with a limited voltage level, and supplied to the voltage doubler rectifier circuit 12.
In step 2, the full-wave rectified output, the full-wave rectified output with the voltage level limited or the half-wave rectified output is doubled a plurality of times to generate a negative high voltage, which is applied to the heater 13 for generating negative ions. , even without having the conventional weight heavy transformer as a voltage variable constituted by elements of very light, such as the half-wave rectifying diode D _20, D _21, D ₂₂ and the transistors Q _1, Q ₂ The output voltage level can be switched stepwise by using the circuit 14, so that the potential therapeutic device can be reduced in weight and size, and the operability of the handy type potential therapeutic device can be improved.

Furthermore, an energy saving consumes less power than using a half-wave rectifying diode D _20, such as a voltage variable circuit 14 that, for example, by a relay or the like used in, and easily can be used to adjust the output voltage, Sonoue inexpensive is there.

The present invention is not limited to the above embodiment, but may be modified as follows. For example, to connect the semiconductor switching element of the optical coupling or the like between the anode side and the AC power supply 10 of the half-wave rectifying diode D _20, the semiconductor switching elements are turned on and off by the action instead of the power switch 11, The power switch 11 may be omitted.

[0032]

As described in detail above, claim 1 of the present invention
According to 2, it is possible to provide a potential treatment instrument whose weight is reduced and operability is improved.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing an embodiment of a potential therapy device according to the present invention.

FIG. 2 is a configuration diagram of a negative ion generation circuit as a conventional electric potential treatment instrument.

[Explanation of symbols]

10: AC power source, 12: voltage doubler rectifier circuit, 13: heater, 14: a voltage variable circuit, 15: control circuit, 16, 17: switch for output voltage selection, C ₁₀ -C _13: capacitor, D ₁₀ to D _{13: diode, D 20, D 21, D} 22: half-wave rectifying diode, Q _1, Q _2: NPN type transistor.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Michio Sato 180 Furuichi-cho, Maebashi-shi, Gunma F-term in Toshiba Equipment Co., Ltd. (reference) 4C053 EE03 EE04 EE12

Claims (2)

[Claims] 1. A potential therapy instrument for generating negative ions by high voltage and performing treatment by using this ion effect, comprising: a voltage doubler rectifier circuit for doubling an output voltage of a power source a plurality of times to generate the high voltage; A voltage variable circuit that varies an output voltage of a power supply to an arbitrary voltage level and supplies the voltage to the voltage doubler rectifier circuit. 2. The voltage variable circuit, wherein: a first half-wave rectifying element connected between the power supply and the voltage doubler rectifier circuit; and a first half-wave rectifier element connected between the power supply and the voltage doubler rectifier circuit. A first series circuit comprising a second half-wave rectifier element and a first switching element, which are in opposite directions to the first half-wave rectifier element; and a power supply and the voltage doubler rectifier circuit. A second series circuit including a third half-wave rectifier element, a second switching element, and a current-limiting resistor connected in the opposite direction to the first half-wave rectifier element; The electric potential treatment device according to claim 1, comprising: