JPH11332937A - Massage machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To give an effective massage without damaging muscles. SOLUTION: So as to energize a solenoid 7 at a phase angle corresponding to a hitting amount for the respective half waves of power supply AC signals, a control circuit (CPU) 34 supplies switching timing signals to a transistor TR2 turns on/off the transistor TR2 and a thyristor 22 and controls the phase angle of energizing for the respective half waves corresponding to the change of a required hitting amount for the energizing of the solenoid 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a massage for treating "stiffness" of a living body part.

[0002]

2. Description of the Related Art A tapping member for treating a shoulder and the like, an electromagnetic solenoid for driving the tapping member, and energization control means for controlling energization of the electromagnetic solenoid are provided. There is generally known a massager in which the time interval, that is, the tapping strength and the tapping interval are changed. Conventionally, in this type of massage machine, as shown in FIG. 8, in a cycle of a power supply voltage, a current that is applied to an output unit only once in several cycles to realize a crisp tapping feeling. There was (actual opening 48-100386)
issue). As another conventional example, as shown in FIG.
With regard to the tapping operation, there has been one in which a plurality of pulse voltages are applied to an electromagnetic solenoid (Japanese Patent Application No. Hei 5-21208).
No. 4).

[0003]

Of the above-mentioned conventional massage machines, the one shown in FIG. 8 has a tapping force of zero during a period T for conducting the switching element.
The muscle contracts before the next tapping force is applied. One of the effects of massage is to relieve muscle tension, but this cannot be achieved. Further, in this technique, in order to obtain a sufficient tapping force, it is necessary to lengthen the conduction time of the switching element in a half-wave, and there is a problem that discomfort remains after use.

Further, in FIG. 9, three continuous (sometimes more than one) pulse voltages are applied in accordance with the commercial power supply frequency, so that the switching element within one half-wave of the commercial power supply frequency is used. The conduction time is short enough to provide a sufficient total tapping force. However, since the tapping force becomes zero between one tapping operation and the next tapping operation in Conventional Example 2, muscle contraction is inevitable. Therefore, there is a problem that the massage effect is reduced.

The present invention has been made in view of the above problems, and has as its object to provide a massage machine capable of performing an effective massage without damaging muscles.

[0006]

The massage machine according to the present invention comprises a tapping member for treating a predetermined portion, an electromagnetic solenoid for driving the tapping member, and an energization control means for controlling energization of the electromagnetic solenoid. The power supply control means includes means for supplying the same number of pulse signals to the electromagnetic solenoid as the number of waveforms of the power supply frequency signal, and performs phase control with time change in units of each half-wave of the power supply frequency. Means.

In this massage machine, the tapping operation is performed the same number of times as the power supply frequency cycle, phase control is performed in half-wave units of the power supply frequency, and the energizing time is changed in half-wave units with respect to time. Is changing.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to embodiments. FIG. 1 is a front view of a massage machine according to an embodiment of the present invention, and FIG. 2 is a plan view thereof. This embodiment massage machine has a handle portion 1, a head portion 2,
And an AC cord 3 connected to a circuit board in the handle 1. The handle 1 has a strong / weak / off switch 4
And a speed conversion switch 5.

The head section 2 includes an electromagnetic solenoid 7, a plunger 8 which moves up and down by suction / separation by energization / dissipation to the solenoid, and an attachment 9 connected to the plunger 8. The plunger 8 moves up and down in accordance with the pattern of energizing the 7, and the attachment 9 moves up and down accordingly, so that the affected part such as the shoulder is massaged. However, the head portion 2 is not characteristic in this embodiment, and may have a generally well-known structure.

FIG. 3 is a block diagram showing a circuit configuration of the massage machine according to this embodiment. The massage machine according to this embodiment includes a commercial power supply 30, a power supply protection circuit 31, a waveform shaping circuit 32, a frequency detection circuit 33, a control circuit 34, a drive circuit 35 for driving the solenoid 7, and a strong / weak / off switch. 4 and a speed conversion switch 5.

The commercial power supply 30 is an AC 100 V AC power supply. A power supply protection circuit 31 is connected to the commercial power supply 30. The power supply protection circuit 31 includes a current fuse and the like. The waveform shaping circuit 32 includes a zener diode, a diode, a capacitor, and the like. The power supply protection circuit 31 and the waveform shaping circuit 32 have strong /
The weak / off switch 4 is connected, and a signal obtained by switching the switch 4 is input to the control circuit 34. Thereby, the switching of the tapping strength can be performed. Frequency detection circuit 3
Reference numeral 3 includes a transistor and the like, and detects the frequency of the commercial power supply based on the ON / OFF timing of the transistor. As the speed conversion switch 5 is switched, the tap interval gradually increases or decreases.

The control circuit 34 comprises a CPU and the like. The phase control timing data in each half-wave of the commercial power frequency stored in the control circuit 34 in advance by the signal from the strong / weak / off switch 4 and the signal from the speed conversion switch 5, and the tapping speed Is read, and the driving circuit 3 is read in accordance with the data.
5, the switching timing is determined. Then, an AC voltage is supplied to the solenoid 7 in synchronization with the switching timing. FIG. 4 is a circuit diagram specifically showing a part of the circuit in FIG. When the switching timing signal is outputted from the CPU 34, the transistor TR ₂ is O
N, the thyristor 22 is also turned on, and a current flows through the solenoid 7 with a half-wave at a phase angle corresponding to the switching timing.

FIG. 5 shows a waveform diagram of a voltage applied to the electromagnetic solenoid of the massage machine of this embodiment. FIG.
As shown in ( ₂ ), the contraction of muscle can be suppressed by applying a pulse voltage of the same number of times as the commercial power supply frequency to the switching element (transistor TR ₂ , thyristor 22) and driving the electromagnetic solenoid. Here, as the time elapses, the energization time of each half-wave is lengthened, and after a certain time, the energization time is gradually shortened.
The process of gradually increasing the length and gradually shortening the length is repeated. In the massage machine of this embodiment, the tapping force does not always become zero, and by adjusting the conduction time of the switching element in each half-wave unit by phase control, the change of the tapping force with respect to time is, for example, as shown in FIG. Thus, a change substantially equivalent to the change in the tapping force due to the fir operation by the masseur shown in FIG. 7 is obtained. By tapping almost equivalent to fir massage, that is, by tapping motion,
A massage effect equivalent to the fir movement can be obtained. By the way, the change of the tapping force by the tapping method by the conventional massager shown in FIGS. 8 and 9 is as shown in FIGS. 10 and 11, and the massager according to the embodiment of the present invention is much more It is close to treatment by a masseur.

In the massage machine of this embodiment, since a continuous tapping force is applied, a sufficient tapping force can be obtained without extending the conduction time of the switching element in a half-wave.

[0015]

According to the present invention, the tapping operation is performed the same number of times as the power supply frequency cycle, that is, every one cycle of the power supply voltage, and the phase control is performed in half-wave units of the power supply voltage.
By changing the half-wave energizing time with respect to time,
Since the tapping force is changed, an effective massage can be performed without damaging the muscle.

[Brief description of the drawings]

FIG. 1 is a front view of a massage machine according to an embodiment of the present invention.

FIG. 2 is a side view of the massage machine of the embodiment.

FIG. 3 is a block diagram showing a circuit configuration of the massage machine of the embodiment.

FIG. 4 is a circuit diagram specifically showing a part of the circuit shown in FIG. 3;

FIG. 5 is a diagram showing a voltage waveform applied to a power supply solenoid of the massage machine of the embodiment.

FIG. 6 is a diagram showing an example of a change in time and tapping force of the massage machine of the embodiment.

FIG. 7 is a diagram showing changes in time and tapping force due to a massager's fir operation.

FIG. 8 is a diagram showing a voltage waveform applied to an electromagnetic solenoid of a conventional massage machine.

FIG. 9 is a diagram showing a waveform of a voltage applied to an electromagnetic solenoid of another conventional massage.

FIG. 10 is a diagram showing a change in time and a tapping force when the voltage waveform shown in FIG. 7 is applied.

FIG. 11 is a diagram showing a change in time and knocking force when the voltage waveform shown in FIG. 8 is applied.

[Explanation of symbols]

7 Solenoid 22 Thyristor 33 Frequency detection circuit 34 Control circuit (CPU) TR ₂ transistor

Continuation of the front page (72) Inventor Mitsuru Fujimura 370 Omron Matsusaka Co., Ltd. at 1855 Kubocho, Matsusaka City, Mie Prefecture

Claims (2)

[Claims] 1. A massage machine comprising: a tapping member for treating a predetermined portion; an electromagnetic solenoid for driving the tapping member; Means for energizing the electromagnetic solenoid with the same number of pulse signals as the number of waveforms of the signal of the power supply frequency, and means for performing phase control with time change in units of each half-wave of the power supply frequency. Massage machine. 2. The means for performing phase control, wherein the conduction time of the switching element in each half-wave is gradually increased with the passage of time, and is gradually shortened after the passage of a predetermined time. The massage machine according to claim 1, characterized in that: