JP2023042488A - Disaster-responsible human powered generation system - Google Patents

Abstract

To aim to play a role in carbon neutrality by providing a charging environment by means of a human power capable of responding to a long-term power failure, and simultaneously, by converting a human kinetic energy into an electric energy, in view of the problem in which: in a modern society where electric devices using secondary batteries, such as smartphones, are indispensable in lives, there may be the occurrence of long-term power failure due to a natural disaster, causing the increase of troubles such as not being able to obtain information due to not being able to charge smartphones.SOLUTION: Residents who evacuate to a refuge shelter during a natural disaster often spend their time in a fixed posture, to become tend to lack of exercise. The present invention compensates a lack of exercise and provides a charging environment for smartphones and the like. The present invention provides an environment in which a generator with a low impedance is mounted on a health bike being an exercise equipment for relieving lack of exercise, and the generated output is charged to a large-capacitance capacitor capable of being removed and moved and capable of being quickly charged, to enable long-term charging of a secondary battery used for a smartphone and the like in a short time exercise by using the large-capacitance capacitor.SELECTED DRAWING: Figure 1

Description

The present invention is a human power generation system, wherein a low impedance capacitor such as a removable electric double layer capacitor (also called a super capacitor) is connected as a rechargeable battery to the output end of a low output impedance generator, and the electric double layer capacitor is connected. In addition, by storing the energy generated by human power and securing the necessary power consumption time (discharge time) for charging 5V1A of a smartphone, which is more than twice the power generation time (charging time) of human power exercise, for example, continuous It is related to a human-powered power generation system that can secure the necessary power without exercising, such as power outages in the event of a natural disaster, consideration for the environment that emits CO2, and securing power for environments without power supply such as camping. It is about green energy for coal seam society.

In recent years, fitness clubs and the like have become popular in order to maintain and improve exercise muscle strength for the purpose of maintaining health, and the age has come where fitness bikes and exercise bikes are indispensable as exercise equipment. On the other hand, CO2 reduction as a countermeasure against global warming has become a serious problem, and we are now aiming for a decarbonized society where reduction of CO2 emitted by thermal power plants that generate electricity is desired. The use of energy that does not emit CO2, such as geothermal heat, has been advocated.

In such an environment, from the idea of whether it is possible to convert human kinetic energy for muscle strength enhancement into electric energy, a generator is incorporated in an exercise bike, , JP-A-2012-053852 and JP-A-2009-264356 propose to convert human kinetic energy into electrical energy.

In Japanese Patent Application Laid-Open No. 2010-057347, by combining a generator with an exercise bike that is popular for health measures, the electricity generated by human power is charged into the battery, and the stored battery is carried when necessary, such as for lighting and other purposes. A proposal has been made for a power generator that does not emit CO2 by converting the kinetic energy of human power into electrical energy.

Further, Japanese Patent Application Laid-Open No. 2016-214816 proposes combining an exercise bike and a generator and using an electric device such as a music player as a load of the generator to obtain training load for the exercise bike.

In addition, in Japanese Patent Application Laid-Open No. 2012-053852, a generator is attached to an exercise bike at a sports gym, etc., and the kinetic energy that was simply consumed is converted into electromotive force, which is sold to an electric power company, so that it can be used as a point for the kinetic energy provider. A proposal has been made to return it.

In addition, Japanese Patent Application Laid-Open No. 2009-264356 proposes the convenience of attaching a generator to an ordinary bicycle, connecting and charging a battery to the output of the generator, and allowing the kinetic energy of human power to be carried by the battery. there is

However, Japanese Patent Application Laid-Open Nos. 2016-214816 and 2012-053852 are usage environments where the location is limited, and Japanese Patent Application Laid-Open Nos. 2010-057347 and 2009-264356 enable the transport of electrical energy with a battery, but battery charging Time is accompanied by chemical reactions, so current and voltage are limited. For example, in the case of a smart phone, it takes about 30 minutes to an hour to charge practically. In addition, all of the proposals are extremely conceptual, and have the drawback of being poor in actual execution and poor in feasibility.

In addition, Japanese Patent Laid-Open No. 2018-151585 and Japanese Patent Laid-Open No. 2019-212851 include a solenoid actuator proposed by the present inventor, which seems to be optimal as a low output impedance generator.

JP 2010-057347 JP 2016-214816 JP 2012-053852 JP 2009-264356 JP 2019-212851 JP 2018-151585

On the other hand, in the living environment, the spread of smartphones as an information medium has been remarkable in recent years, and the role of smartphones as a means of information transmission in the event of a disaster is increasing. There are also cases where the power outage itself occurs for a long time, and there are increasing cases where problems such as not being able to charge smartphones and not being able to obtain information occur.

Furthermore, residents who evacuate to evacuation centers during natural disasters often spend their time in a certain posture, and there is concern about the onset of economy syndrome due to lack of exercise.

In view of this situation, the present invention provides a charging environment that can solve the lack of exercise at evacuation shelters during natural disasters and solve information refugees caused by insufficient charging of smartphones due to long-term power outages. In addition, for the purpose of securing power with human power, such as in the natural environment due to slow life, etc., in camping areas and developing countries with no power supply environment, it converts the kinetic energy emitted by people into electric energy and carries it. It also provides means for a decarbonized society that greatly contributes to the reduction of CO2 emissions with a human-powered power generation system that is more convenient by using rechargeable batteries that can be recharged.

The present invention pays attention to the viewpoint that the conventional human-powered power generation, as known from bicycle lights, must be exercised continuously while using electric energy, and the realistic exercise time of muscle exercise equipment. So, for example, muscle exercise for about 5 to 15 minutes, charging a smart phone for about 1 hour, and providing a highly convenient muscle exercise device that can provide usable electric energy (5 Wh), and at the same time, human power exercise We provide a suitable human power generation system that contributes to the reduction of CO2 emissions by converting energy into electrical energy.

FIG. 1 shows a disaster-response human-powered power generation system of the present invention, which will be referred to as a health gene-bike.

Fig. 1 shows a relatively small and movable health gene bike main body 1, and Fig. 3 shows an aerobatic bike style in which a saddle 10 and a handle 9 are added to the health gene bike main body 1, and a relatively large installation type capable of high performance. health gene bike. Hereinafter, as the description of the present invention, the characteristics of the health-generating bike main body 1 of FIG. 1 will be described.

In FIG. 1, reference numeral 1 denotes a health-generating bike body. The health-generating bike body is provided with a pedal 3, and a pedal gear 4 is fixed to the shaft of the pedal 3. As shown in FIG. The teeth of the pedal gear 4 are meshed with the teeth of the generator gear 5 fixed to the shaft of the generator body 6, and by rotating the pedal 3 with the leg or arm, the shaft of the generator body 6 rotates to generate electricity. It is a mechanism to do.

The generator main body 6 is designed to have a low output impedance, and the power generation output of the generator main body 6 is AC, and a rectifier circuit that converts AC to DC and a load control circuit that controls the exercise load to a constant level are incorporated. , and its output is input to the charging battery 2 via the charging cord 7 . In addition, the load control circuit is equipped with a load adjusting knob 8 for adjusting the load on the main body, so that the exercise load can be adjusted according to the ability of the person exercising.

The rechargeable battery 2 is composed of a low-impedance, high-capacity electric double-layer capacitor (supercapacitor) that enables rapid charging, and at the same time, can be removed from the health-generating bike body 1 and carried.

As a result, the health gene bike main body 1 works as a muscle exercise device having a function of improving the weakening of human muscles by turning the pedals 3 of the health gene bike main body 1 with the leg or arm, and at the same time, it can increase the kinetic energy of the human being. It also functions as a converter that converts into electrical energy.

The point to be noted here is the design of the rechargeable battery 2, which is made up of electric double layer capacitors and which can be removed and carried, and the generator main body 6 having a low output impedance that enables high-speed charging of the rechargeable battery 2. According to this idea, for a short period of time, for example, 5 to 15 minutes of moderate exercise, electric energy of 5 Wh can be secured for a period of time that can withstand use, which is several times the exercise time.

In other words, for example, 12 people use one muscle exercise device (health gene bike body 1) for 5 minutes each, remove the rechargeable battery 2, which is rapidly charged, move to each place, and use it for 60 minutes. Assuming that a smartphone is charged (5V, 1A, 1h) and the amount of electricity is calculated, 5Wh x 12 people obtained 60Wh of power. Furthermore, if the Health Gene Bike 1 is operated for 10 hours at an evacuation center and a total of 100 people use it for 5 minutes each, 500 Wh of electric power can be secured.

In other words, it is a system that can maintain the health of 100 people, that is, protect people from economic syndrome, and prepare the environment for smartphone charging and lighting, which are essential for information acquisition.

FIG. 2 shows a conceptual diagram of an example of use of the muscle exercise device (health gene bike main body 1).

In FIG. 2, A is the state of lying down, B is the state of sitting on a chair, C is the fitness bike placed on the desk, etc., and the pedals are rotated by hand. It can be used in a wide range of environments, and has both the function of exercise equipment for muscle maintenance and the function of a generator.

FIG. 3 shows a conceptual diagram of an exercise bike style having a handle 9 and a saddle 10 on the health gene bike main body 1. Basically, it performs the same function as the health gene bike main body 1, but has portability, weight, size, etc. Although it is inferior to the health generation bike body 1 alone, the weight of the person using the health generation bike body 1 is vertically applied to the saddle 10, so it can cope with a heavier load and consumes more electric energy. can be secured.
The handle 9 has a function of stabilizing the movement of a person straddling the saddle 10 .

An external view of the rechargeable battery 2 is shown in FIG. In FIG. 4, reference numeral 2 denotes a rechargeable battery main body, which is incorporated in the health gene bike main body 1 during charging, and can be removed from the main body when charging is completed and can be used.

11 is a USB output terminal, the output has a constant current function, and can be used for charging smartphones and other devices that use USB. 12 is an AC outlet that outputs approximately 100 V AC, so it can be used for low-power electrical equipment that uses an AC adapter. 15 is a charging connector that can be supplied with generated voltage by incorporating it into the health gene bike main body 1 . An output indicator 13 guarantees the output of the USB output terminal 11 and the AC outlet 12 when lit. 14 is a charging indicator that lights up when the charging voltage is full (completed), and after that, even if the pedal 3 of the health gene bike body 1 is pedaled, charging is not performed.

FIG. 5 shows a usage example in which the health gene bike main body 1 is used for 5 to 15 minutes of exercise and the rechargeable battery 2 is fully charged, for example, the electric energy of the rechargeable battery is 5V1000mAh. In Fig. 5, (1) indicates that when a smart phone is charged (at 5V, 1A), it can be used for about 8 hours in a normal operating environment after about 1 hour of charging and about 80% charging. Become. (2) is an example of connecting other devices using USB, for example, using a desktop fan (5V, 0.5A) for about 2 hours, and (3) is using a low power device that uses an AC adapter although it is DC driven. For example, if an LED lantern is used during a power outage, illumination for about 10 hours can be obtained.

As mentioned above, in order to maintain and promote human muscles, by equipping exercise equipment with a low-output impeder generator and using a large-capacity, low-impedance electric double-layer capacitor as a storage medium, moderate human exercise can be achieved. Acquire an environment that can secure enough electrical energy to withstand use with time and kinetic energy, secure electrical energy in the event of a power outage at a shelter during a natural disaster, or secure electricity during outdoor activities such as camping where there is no electrical equipment. We believe that this system can contribute to the reduction of CO2 emissions by installing this system in the muscle exercise equipment used in sports gyms that many people go to to maintain and improve their health, and by using self-generated energy.

For example, assuming that 10 minutes of exercise per person can generate 5 Wh of energy (which can charge a smartphone battery for 1 hour), 10% of the 130 million people in Japan use the present invention once a day. If the system is used at a gym or at home, it will generate 65,000 KWh of electric power per day.

In addition, it is said that the power that a normal person steps on a bicycle pedal is about 100 W, and the possibility of realization is that it is possible to store 10 Wh of electricity with 6 minutes of exercise per person, and generate electrical energy that does not emit CO2. In addition, it is possible to expect a reduction in medical expenses due to health promotion.

Schematic diagram of the basic structure of the health gene bike body. Basic usage example of the health gene bike body. A schematic diagram of the basic structure of an exercise bike. 1 is a schematic diagram of a removable and movable power storage device of the present invention; FIG. A basic usage example of the movable power storage device of the present invention. 2 is a basic block diagram of a generator main body 6; FIG. Basic block diagram of rechargeable battery 2 A graph of exercise time and storage voltage in the example of the present invention. FIG. 10 is a graph showing the relationship between load adjustment and storage voltage VS exercise time; FIG. Fig. 10 is a graph showing the relation of the storage voltage at the time of consumption of 5 W in the example of the present invention;

Embodiments of the present invention will be described below with reference to FIGS. 6 to 10. FIG.

FIG. 6 is a basic block diagram of the generator body 6. As shown in FIG. Electric power is generated by the A coil 16 and the B coil 17 which are wound on the circumference of the permanent magnet 22 in a crossed manner. proportional to the number N.

A power generation gear 5 is fixed to the central axis of the permanent magnet 22, and a pedal gear 4 is meshed with the power generation gear 5. When the pedal gear 4 rotates, the power generation gear 5 rotates according to the gear ratio. A magnetic flux φ intersecting with the B coil changes, and AC voltage is extracted from both ends of the A coil 16 and the B coil 17 .

In this embodiment, the pedal rotates about once per second, and the generator gear 5 fixed to the shaft of the permanent magnet 22 accelerates and rotates at a gear ratio with the pedal gear 4, and generates an alternating current of about 20 Hz. Electric power is generated as a voltage, and the voltage is about 80V to 90Vp-p.

An A-coil rectifier 101 and a B-coil rectifier 102 are connected to the output terminals of the A and B coils to rectify the AC power output, convert it to DC as shown in the rectified waveform indicated by (a), and combine it in the next stage. These are combined at 103 to obtain a pulsating current as shown at b, which is input to the load control circuit 104 at the next stage.

The pulsating current output of the combined circuit 103 of the generator of the embodiment is about 40 V to 45 V and the output impedance is about 16 Ω. The load decreases exponentially and is unsuitable for muscle training equipment that requires a constant load. Become.

The load control circuit 104 is composed of a constant current controller for keeping the load constant and a function for further reducing the output impedance of the generator in order to keep the load on the shaft of the generator constant.

In the load control circuit 104, the output of the generator DC45V, 16Ω, 2.8A, 126W is converted to 15V, 1.8Ω, 8A, 120W in the DC-DC converter, and the output impedance is further converted to a constant current. By doing so, the effect of maintaining a constant load on the generator according to the state of charge of the electric double layer capacitor is realized, and this constant current value is adjusted to about 3A to 8A by controlling the load adjustment knob 10, and the load is reduced. Its charging output is connected through a charging cord 7 to a charging battery 2 whose main element is an electric double layer capacitor.

FIG. 7 shows a block diagram of the rechargeable battery 2 detachable from the health gene bike main body 1. As shown in FIG.

The charging current supplied to the charging connector 15 is applied to the electric double layer capacitor 205 through the charging current disconnecting circuit 201 and stored. The charging current disconnecting circuit 201 is controlled by the charging/output monitoring circuit 205, and when the electric double layer capacitor 202 reaches a predetermined voltage, the charging current is disconnected, and the charging indicator 14 lights to indicate that charging is completed. At the same time, it also prevents overcharging.

Unlike a normal battery, the output of the electric double layer capacitor 202 drops in proportion to the discharge time, so it cannot be used as a constant voltage source. By using a DC-DC converter 203 for output, it is possible to use it as a constant voltage power supply.

A constant current circuit is also provided for the output of the DC-DC converter 203, and since the output terminal is configured with USB11, it is possible to charge the battery of a smart phone or the like.

In parallel with this, the output of the electric double layer capacitor 202 is provided with a DC-AC converter 204, the output terminal of which is an AC outlet 12, which is used as an AC adapter for low-power DC devices that do not have a USB input. It is available.

A charge output monitoring circuit 205 is connected to the input of the DC-DC converter 203 and the DC-AC converter 204, monitors the output voltage of the electric double layer capacitor 202, and monitors the DC-DC converter 203 and the DC-AC converter 204. When the input limit voltage is reached, the output indicator 13 is turned on to prompt the rechargeable battery 2 to be recharged.

FIG. 8 shows a graphical representation of the relationship between the exercise time and the stored voltage when the load adjustment knob of the health gene bike body 1 is adjusted to the maximum value. After the charging battery 2 was completely discharged (storage voltage 0 V), when the load was maximized and exercise was performed, the exercise time until reaching the full charge voltage was 6 minutes and 30 seconds. Since the limit voltage is 3V, it can be seen that the battery is fully charged in about 5 minutes after the second exercise.

FIG. 9 shows a graphical representation of the relationship between the exercise time and the stored voltage when the load adjustment knob of the health gene bike body 1 is adjusted to the maximum value and to the minimum value. In both cases, looking at the exercise time until full charge when the charging start is set to the operating limit voltage of the DC-DC converter, naturally, if the load is lightened, the exercise time until full charge is extended. is 5 minutes at the maximum load, but it takes 16 minutes at the minimum load.

FIG. 10 is a graph showing the drop characteristics of the stored voltage when 5W, 1A power consumption is consumed from the fully charged state of the rechargeable battery 2 in the embodiment, up to the operation limit voltage of the DC-DC converter. It is confirmed that the descending time is 63 minutes.

The present invention utilizes muscle training equipment that is casually used by humans on a daily basis to maintain health, and utilizes muscle energy that has been consumed as a heat load due to friction, etc., as a charge load for electrical energy. We believe that by systematizing sports gyms, etc. for health maintenance, which are often found in Japan, as one power plant, we will play a role in a decarbonized and carbon-neutral society.

Claims (10)

A small-diameter gear is attached to the rotating shaft of an alternator wound around a permanent magnet. A rectifier as a means for converting the AC voltage obtained by the generator into a DC voltage by obtaining an AC power output by rotating the permanent magnet of the generator at an increased speed according to the ratio of the gears of the large diameter and the small diameter a low output impedance DC-DC converter operated by a DC voltage obtained from said rectifier, being removable and movable to a DC voltage output obtained from said low output impedance DC-DC converter; and By connecting a rechargeable battery capable of rapid charging and enabling rapid charging, the consumption time of the detachable and portable rechargeable battery, which has been rapidly charged, is reduced with respect to the rotation movement time of the handle or pedal. A human-powered power generation system that can obtain more than twice the consumption time when consuming 5W and 1A. A human-powered power generation system in which the human-powered power generation system according to claim 1 is incorporated in a main body of a bike generally called a fitness bike used for training, fitness, or the like. A power generation system according to claim 1 or claim 2, wherein a large-diameter pulley is attached to the pedal rotation shaft, and a small-diameter pulley connected to the pulley with a belt or a chain rotates at an accelerated speed. A human-powered power generation system according to claim 1 or claim 2, which has a generator. 1, 2, and 3, wherein the windings of an alternator having windings around a permanent magnet are equiangularly spaced on the circumference of the permanent magnet. A multi-phase generator is configured by applying multiple windings, and the AC power output obtained from each winding is rectified by a rectifier provided in each winding, and each pulsating current after rectification is synthesized to reduce A human-powered power generation system that obtains a pulsating current output with an output impedance and aims to reduce the impedance of the power generation output. The human-powered power generation system according to claim 1, claim 2, claim 3, and claim 4, which aims to further reduce the impedance of the pulsating current power output after power generation, rectification, and synthesis, and obtain a large output current. A man-powered power generation system in which one or more step-down DC-DC converters are provided for the pulsating current power output. The human power generation system according to claim 5, wherein a constant current circuit is provided at the output of one or more step-down DC-DC converters according to claim 5, and the current value of the constant current circuit is changed by a variable resistor or the like. A human power generation system that can control the rotation load of the steering wheel or pedal rotation to the desired load by setting. 7. The human power generation system according to claim 5 or 6, wherein the main element of the rechargeable battery, which can be detached from the motorcycle body and can be rapidly charged, is composed of an electric double layer capacitor. 5, 6, and 7, wherein the electric double layer capacitors, which are the main elements of the rechargeable battery, are separated into a plurality of pairs corresponding to the plurality of constant current circuits. A man-powered power generation system in which the corresponding pair of electric double layer capacitors are reconnected in series-parallel after charging, returned to the state before separation, and treated as a rechargeable battery. Claim 5, Claim 6, Claim 7, Claim 8. The human power generation system according to Claim 5, Claim 6, Claim 7, and Claim 8, wherein a DC-DC converter is provided at the output of a rechargeable battery removable from the motorcycle body, and the DC-DC converter A human-powered power generation system with the purpose of providing an arbitrary constant voltage and constant current source for output, and providing a charging environment for secondary batteries and a power supply environment for USB power equipment with connectors such as USB. Claim 5, Claim 6, Claim 7, Claim 8, and Claim 9. The human power generation system according to Claim 5, Claim 6, Claim 7, Claim 8, or Claim 9, wherein a DC-AC converter is provided at the output of a rechargeable battery removable from the motorcycle main body, and the DC -A man-powered power generation system for the purpose of providing an AC outlet for any low-power AC voltage source at the output of an AC converter and providing a power supply environment for equipment that can be used with a low-power AC adapter of about 1 to 50W.

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