JPH05284690A - Spiral spring battery - Google Patents

Abstract

PURPOSE:To make an electric apparatus usable even though there are no power supply for charging a secondary battery and no primary battery, by providing the winding and locking means of a spiral spring, the accelerator accelerating the rotational speed of the shaft of the spiral spring, a generator, a flywheel, and a generated voltage regulating means. CONSTITUTION:The boss part of a winding lever 5 is engaged with a spring shaft 3, and a stopper spring 8 is fastened to a stopper sleeve 7, and further, a spiral spring 2 is wound by turning the winding lever 5. Then, the winding lever 5 is took off. When using an electric apparatus, the locking of the spiral spring is released by a locking releasing means 11, and the spring shaft 3 is rotated. Then, the rotation of the spring shaft 3 accelerated by an accelerator 12 is converted into an electric power by a generator 1 having a flywheel 15. By a three-terminal regulator 17 and a capacitor 18, the electric power is so regulated as to have a predetermined voltage and a current restricted within a predetermined ripple range, and then, it is supplied to the electric apparatus. Thereby, the electric apparatus can be used even though there are no power supply for charging and no primary battery.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mainspring spring battery for generating power using a mainspring.

[0002]

2. Description of the Related Art A video camera such as an 8 mm video is usually used outdoors, but is operated by using an attached secondary battery.

An emergency power supply device using a so-called dry battery primary battery is provided to the user as a backup so that it can be used even when the secondary battery is used up.

[0004]

However, the emergency power supply device using the dry batteries requires about 6 to 12 dry batteries, is heavy, and it is complicated to carry during photographing. Moreover, since many dry batteries are used, the cost required for photographing becomes very high. Further, since the dry battery is disposable, there is a problem of environmental pollution due to dust of the dry battery.

In particular, land where the charging power is not supplied to the secondary battery, for example, undeveloped land such as dense forest, desert,
When shooting over the ocean for a long period of time, many dry batteries have to be carried, which is very complicated, and when the dry batteries are exhausted, things that you want to shoot have appeared. Even in such a case, shooting becomes impossible, and the original function of the video camera cannot be fulfilled.

[0006] Even in a land where the charging power is normally supplied to the secondary battery, the charging power is stopped due to an accident such as an earthquake or a typhoon, and a dry battery is also available. If you can't, you can't shoot with the object you want to shoot in front of you, and you can't perform the original function of the video camera.

[0007] Such problems are common to electric devices such as radio cassettes and television receivers that use electricity.

Therefore, an object of the present invention is to use a mainspring using a mainspring so that a power source for charging a secondary battery cannot be obtained and an electric device can be used even when there is no primary battery. To provide a spring battery.

[0009]

In order to achieve the above object, a mainspring spring battery of the present invention is stored in a housing, and a mainspring spring having an outer end fixed in the housing, and a spring shaft of the mainspring. The winding means for winding the mainspring spring, the spring locking means for temporarily locking the wound mainspring spring, the unlocking means for releasing the lock, and the rotation speed of the spring shaft when the lock is released. A speed increasing gear, a generator that converts the increased rotation into electric power, a flywheel that stabilizes the rotation of the generator, and a generated voltage control means that controls the voltage generated by the generator to a constant value. And an electrical output voltage stabilizing means for stabilizing the voltage to be output.

The mainspring is preferably made of plastic.

[0011]

Before using the electric device, the mainspring is wound up by the winding means and kept in the wound state by the locking means.

When the electric equipment is used, the lock is released by the lock releasing means, whereby the spring shaft rotates, and the rotation increased by the speed increaser is converted into electric power by the generator having the flywheel. Due to the generated voltage control means and the output voltage stabilizing means, a predetermined voltage and a pulsating current within a predetermined range are sent to the electric equipment, and the electric equipment can be used.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described in detail below with reference to the drawings.

In FIG. 1, the housing 1 is in the shape of a flat rectangular box.

The mainspring 2 is housed inside. As the mainspring 2, a metal spring made of, for example, a stainless steel material for spring is used. The spring 2 has a spring thickness of 0.4 mm, a spring width of 25 mm, and a length of 4
It has become m. The outer end 2a of the mainspring 2 has a housing 1
It is fixed to the corner 1a of the. A spring shaft 3 is attached to the inner end of the mainspring 2, and the spring shaft 3 extends to a speed increaser described later, while the other end is exposed to the outside from the bottom surface of the housing 1.

A spline is formed on a portion of the spring shaft 3 exposed from the bottom surface of the housing 1, and a hoisting lever 5 having a spline boss portion fitted to the spline is formed on this portion. Is detachably attached. The winding lever 5 serves as a winding means for winding the mainspring 2, and holds the knob 5a provided at the outer end portion by hand to rotate the winding lever 5. Since the hoisting lever 5 is detachable, when not in use, the spring shaft 3
You can remove it and keep it in a designated place.
The mainspring spring battery is prevented from being bulky when it is carried. Further, since the hoisting lever 5 is detachable, by removing the hoisting lever when rotating the generator, it is possible to prevent the hoisting lever 5 from being entangled with other objects.

Next, a connection plate 6 is fixed to the housing 1, and a stopper sleeve 7 is fixed to the spring shaft 3 in a space 6a formed by the shape of the connection plate 6. As shown in FIG. 2, the stopper sleeve 7 has a configuration in which smooth curved portions 7a and radial step portions 7b are arranged at a pitch of 90 °. Next, as shown in FIG. 2, a stopper spring 8 is fixed to the side surface of the connecting plate 6, a free end 8a extends to a side portion of the spring shaft 3, and a step portion 7b of the stopper sleeve 7 is provided.
Is facing. And the free end 8 of the stopper spring 8
The direction in which "a" faces and contacts the stepped portion 7b to prevent the rotation of the spring shaft 3 is the returning direction of the wound spring spring 2. Next, the support block 10 is attached to the connection plate 6.
Is fixed, and a stopper removing screw 11 is rotatably screwed to the support block 10. When the knob 11a formed on the outer end of the stopper removal screw 11 is turned to move the stopper removal screw 11 forward, the stopper spring 8 is pushed and bent, so that the stopper spring 8 and the stepped portion 7b are unlocked. To be done. The stopper sleeve 7 and the stopper spring 8 serve as locking means for temporarily locking the mainspring spring, and the stopper removing screw 11
Serves as a lock releasing means for releasing this lock.

Next, a speed increaser 12 is fixed to the connecting plate 6. A planetary gear device is used for the speed increaser 12, the central sun gear has a tooth number Zb of 10, and the outer sun gear has a tooth number Zf of 420. The outer sun gear is fixed and the outer gear of the planetary gear device 12 is fixed. The spring shaft 3 is connected to the planetary arm, and the shaft of the generator described later is connected to the central sun gear. Therefore, the ratio of the rotational speed of the generator shaft (the rotational speed of the central sun gear) Nb to the rotational speed of the spring shaft 3 (the rotational speed of the planetary arm) Na is Nb / Na = Zf / Zb + 1 = 43. ing.

Next, the generator 13 is integrally fixed to the speed increaser 12. The generator 13 is brushless and coreless.

At the upper end of the generator 13, a flywheel 15 is attached to the shaft of the generator 13. The flywheel 15 is housed in the cylindrical container 14. In order to reduce the volume of the flywheel 15, a metal disk made of lead having a large specific gravity is used. By using the flywheel 15, the rotation of the generator 13 is stabilized, and in the present embodiment, the rotation of the generator 13 is 100% when the flywheel 15 is not used.
% Variation is compressed to about 40%, which also reduces the voltage pulsations generated by the generator to the same%.

In the mainspring spring battery of this embodiment, when the mainspring 2 is unlocked and the mainspring 2 is rotated to rotate the generator, the spring shaft 3 rotates at 60 rpm and the generator 2 is rotated.
Rotate at 580 rpm.

The outer cover of the speed increaser 12, the outer surface of the generator 13, and the surface of the cylindrical container 14 of the flywheel are formed in the same cylindrical surface so that the shape is simplified and the size is reduced.

Next, the electricity generated by the generator 13 is
It is connected to a generated voltage control means composed of a three-terminal regulator 17. The voltage generated from the generator 13 is 6-30V
However, the output voltage is limited to 9V by the three-terminal regulator 17. This protects the connected 8mm video camera device from high voltage.

Next, the output from the three-terminal regulator 17 is connected to an electric output voltage stabilizing means composed of a capacitor 18. The capacitor 18 has a capacity of 0.1F. By passing through the stabilizing capacitor 18, the pulsation of the input voltage, which had about 40% of the pulsation, is compressed within about 15%. By the way, if the pulsation is compressed only by the condenser, a condenser having an extremely large volume such as 1F is required, and thus an extremely large space for the condenser is required. Since the pulsation is compressed, and then the remaining pulsation is compressed by using the capacitor 18, it is possible to use a capacitor having a small capacity, that is, a small volume as described above. It enables miniaturization.

The current passing through the capacitor 18 reaches the output terminal (not shown) through a code of a predetermined length.
The output terminal is connected to the equipment of the 8 mm video camera, and is input as a 6 V, 5 W power supply required for the system of the equipment.

In FIG. 1, the generated voltage control means 17 and the electrical output voltage stabilization means 18 are drawn from the mainspring spring battery main body for ease of explanation, but the generated voltage control means 17 and the electrical output voltage stabilization means 18 are shown. The output voltage stabilizing means 18 is fixed to the inside of the generator 13, a predetermined portion of the connecting plate 6, etc., and only the preceding cord is led out from the capacitor 18 from the mainspring battery body.

When the mainspring spring battery 20 of the present invention having such a structure is used, first, the boss portion of the winding lever 5 is fitted on the spring shaft 3, and the stopper spring 8 is attached to the stopper sleeve 7. The mainspring spring 2 is wound up by turning the winding lever 5 around.
Then, after winding up, the winding lever 5 is removed.

Next, the output terminal of the mainspring spring battery 20 of the present invention is connected to the equipment of the 8 mm video camera, the equipment of the 8 mm video camera is held by one hand, and the main body of the mainspring spring battery 20 is held by the other hand. When holding a camera or holding it in a shoulder bag etc. and shooting, turn the stopper removal screw 11 to unlock, turn the mainspring 2, and immediately switch the 8mm video camera device. Turn on and shoot.

Incidentally, the applicant takes about 1 minute to wind up the mainspring spring 2 of the mainspring spring battery 20 of the present embodiment using the winding lever 5, and uses the wound mainspring spring battery 20. I was able to shoot about 1 minute.

When the mainspring spring 2 is rewound and the rotation of the spring shaft 3 is stopped, the mainspring spring 2 can be wound up again to restart photographing in the same manner as described above.

When it is desired to continue shooting without interruption, another person or the like always turns the winding lever 5 to maintain the mainspring 2 in a wound state, and to continue shooting in this state. May be.

Next, a second embodiment of the present invention will be described.

The present invention differs from the first embodiment only in the material of the mainspring.

The mainspring of this embodiment is made of plastic made of POM (polyacetal). PO
In order to construct a mainspring using M (polyacetal), the spring thickness is 0.6 mm, the spring width is 25 mm, and the length is 4 m. Therefore, as compared with the case where the metal spring is used, the volume is only slightly increased, while the weight is about ⅕ of the case where the metal spring is used, which can be greatly reduced. It is possible to greatly reduce the weight. As a result, complexity due to weight when carrying the device is greatly reduced.

In order to increase the strength (Young's modulus, spring constant) of the mainspring, a reinforcing fiber such as glass fiber or carbon fiber is added to the plastic, for example, 6
You may mix 0%. As a result, further weight reduction is achieved, and the mainspring spring can be made more compact.

The material of the mainspring is PO
Besides M (polyacetal), plastics such as PET (polyethylene terephthalate) may be used.

Although the housing 1 is rectangular in the first and second embodiments, the box for housing the mainspring 2 and the connecting plate may have a cylindrical shape having the same diameter as the outer diameter of the speed increaser 12. Good. Further, although the spring shaft 3 and the shaft of the generator 13 are arranged on the same straight line in the above-mentioned embodiment, a helical gear or the like is used to bend the generator shaft direction by 90 ° with respect to the spring shaft direction. Good. With these, the mainspring spring battery can be further miniaturized.

Although the winding lever 5 is detachable from the spring shaft 3 in the first and second embodiments, the winding lever may be fixed to the spring shaft. In this case, a lid or the like for covering the winding lever may be provided.

Although the above embodiment has described the mainspring battery 20 for operating the equipment of the 8 mm video camera, the present invention can be applied to receiving / communication devices such as radios and televisions and various other electric equipments. Can be used. In addition, the power consumption of receiving / communication devices such as radio receivers such as headphone stereos and television receivers such as liquid crystal televisions is small, and in recent years, the power consumption has been greatly reduced. With battery
The device can be driven for a long time.

[0040]

EFFECT OF THE INVENTION By using the mainspring battery having the above construction, a power source for charging the secondary battery cannot be obtained,
Further, even when there is no primary battery, it is possible to use the electric device. Further, since the flywheel and the electric output voltage stabilizing means are used in combination, the device can be downsized.

When the mainspring is made of plastic, the weight of the mainspring battery can be greatly reduced.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a mainspring spring battery of the present invention.

2 is an explanatory plan cross-sectional view of a lock portion of the mainspring shown in FIG. 1. FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 case 2 mainspring 3 spring shaft 5 winding means (winding lever) 7,8 mainspring locking means 11 unlocking means 12 speed increaser 13 generator 15 flywheel 17 generated voltage control means (3 terminal regulator) 18 electrical Output voltage stabilization means (capacitor)

Claims (2)

[Claims] 1. A mainspring spring housed in a housing, the outer end of which is fixed in the housing, a winding means for winding the mainspring spring attached to a spring shaft of the mainspring spring, and the wound mainspring. A spring lock means for temporarily locking the spring; a lock release means for unlocking the lock; a gearbox for increasing the rotation speed of the spring shaft when the lock is released; A generator that changes the rotation into electric power, a flywheel that stabilizes the rotation of the generator, a generated voltage control unit that controls the voltage generated by the generator to a constant value, and an electricity that stabilizes the voltage to be output. Mainspring spring battery, which comprises a conventional output voltage stabilizing means. 2. The mainspring spring battery according to claim 1, wherein the mainspring spring is made of plastic.