JP2012244846A - Environmental power generation apparatus, environmental power generation system and sensor device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an environmental power generation apparatus which is capable of enlarging the area within which the apparatus can be installed.SOLUTION: An environmental power generation apparatus comprises a radio wave power generation device 100, a vibration power generation device 200, and a thermoelectric power generation device 300. The radio wave power generation device 100 receives an AM radio wave, an FM radio wave, a TV radio wave, and a wireless LAN radio wave and generates electricity from the received radio waves. The vibration power generation device 200 includes a vibration electric conversion element 201 which is vibrated by receiving power from the outside, and generates electricity using the vibration of the vibration electric conversion element 201. The thermoelectric power generation device 300 includes a thermoelectric element section 301 and generates electricity using thermoelectromotive power generated in the thermoelectric element section 301.

Description

  The present invention relates to an energy harvesting device that performs energy harvesting, an energy harvesting device system that includes an energy harvesting device, and a sensor device that includes the energy harvesting device.

  2. Description of the Related Art Conventionally, there has been known a radio wave generator that receives a radio wave of a mobile phone, a radio wave of a TV, a radio wave of a radio, etc., and generates power from the received radio wave (for example, see Patent Document 1).

JP 2008-148414 A

  However, power generation cannot be performed unless a radio wave generator is installed at a position where radio waves can be received, and there is a problem that the area where installation is possible is narrow.

  The present invention provides an energy harvesting apparatus, an energy harvesting system, and a sensor device that can expand an installable region.

  The environmental power generation device according to the present invention includes a radio wave power generation device that receives radio waves and generates power from the received radio waves, and a vibration unit that vibrates by receiving a force from the outside, and uses the vibration of the vibration unit At least two of a vibration power generation device that generates power and a thermoelectric power generation device that includes a thermoelectric element portion and generates power using a thermoelectromotive force generated in the thermoelectric element portion are provided.

  The environmental power generation apparatus system according to the present invention includes a radio wave power generation apparatus that receives radio waves and generates power from the received radio waves, a vibration section that vibrates by receiving a force from the outside, and uses vibration of the vibration section An environmental power generation apparatus having a vibration power generation apparatus and a thermoelectric element section for generating power, and having at least two of thermoelectric power generation apparatuses that generate power using thermoelectromotive force generated in the thermoelectric element section, and the environmental power generation And a synthesis circuit for synthesizing electricity generated by the apparatus.

  The sensor device according to the present invention includes a radio wave power generation device that receives a radio wave and generates power from the received radio wave, a vibration unit that vibrates by receiving a force from the outside, and generates power using the vibration of the vibration unit. An environmental power generation apparatus having a vibration power generation apparatus and a thermoelectric element section that perform at least two of thermoelectric power generation apparatuses that generate power using thermoelectromotive force generated in the thermoelectric element section, and detects peripheral state information A sensor that acquires a detection result of the sensor, and a wireless communication circuit that receives the detection result from the microprocessor and transmits the detection result to the outside, the sensor, the microprocessor, and the Electricity is supplied to the wireless communication circuit from the environmental power generation device.

  According to the environmental power generation device according to the present invention, the radio power generation device that receives radio waves and generates power from the received radio waves, and the vibration unit that vibrates by receiving a force from the outside, using the vibration of the vibration unit Since it includes at least two of a vibration power generation device that generates power and a thermoelectric power generation device that has a thermoelectric element portion and generates power using thermoelectromotive force generated in the thermoelectric element portion, Even in a region where reception is not possible, power can be generated by the vibration power generation device or the thermoelectric power generation device. As a result, the area where the energy harvesting apparatus can be installed can be expanded.

  According to the environmental power generation system according to the present invention, the radio power generation apparatus that receives radio waves and generates power from the received radio waves, the vibration section that vibrates by receiving force from the outside, and uses the vibration of the vibration section An environmental power generation apparatus having a vibration power generation apparatus and a thermoelectric element section for generating power, and having at least two of thermoelectric power generation apparatuses that generate power using thermoelectromotive force generated in the thermoelectric element section; For example, even in an area where the environmental power generation device cannot receive radio waves, the environmental power generation device generates power and synthesizes the electricity generated by the environmental power generation device. be able to. As a result, the area where the energy harvesting system can be installed can be expanded.

  The sensor device according to the present invention has a radio wave power generation device that receives radio waves and generates power from the received radio waves, a vibration unit that vibrates by receiving force from the outside, and generates power using the vibration of the vibration unit. An environmental power generation apparatus having at least two of thermoelectric power generation apparatuses having a vibration power generation apparatus and a thermoelectric element section for performing power generation using thermoelectromotive force generated in the thermoelectric element section, and detecting peripheral state information A sensor, a microprocessor for obtaining a detection result of the sensor, and a wireless communication circuit for receiving the detection result from the microprocessor and transmitting the detection result to the outside, the sensor, the microprocessor, and the wireless communication circuit include energy harvesting Since electricity is supplied from the device, for example, even in an area where the energy harvesting device cannot receive radio waves, the sensor detects the peripheral state information and the wireless communication circuit Out it is possible to send the results to the outside. As a result, the area where the sensor device can be installed can be expanded.

It is a block diagram which shows the sensor apparatus which concerns on Embodiment 1 of this invention. It is a block diagram which shows the energy harvesting apparatus system of FIG. FIG. 3 is a block diagram showing the radio power generator of FIG. 2. It is a block diagram which shows the vibration electric power generating apparatus of FIG. FIG. 3 is a block diagram showing the thermoelectric generator of FIG. 2.

Embodiment 1 FIG.
1 is a block diagram showing a sensor device according to Embodiment 1 of the present invention. In the figure, the sensor device includes an energy harvesting device 1, a synthesis circuit 2 to which electricity generated by the energy harvesting device 1 is input, a power storage device 3 that accumulates electricity synthesized by the synthesis circuit 2, a temperature, humidity, and A temperature / humidity pressure sensor 4 that detects ambient state information including pressure, a microprocessor (control device) 5 that acquires a detection result of the temperature / humidity pressure sensor 4, and a detection result of the temperature / humidity pressure sensor 4 is input from the microprocessor 5. And a wireless communication circuit (transmission circuit) 6 for transmitting the detection result of the temperature / humidity / pressure sensor 4 to the outside by wireless communication. The environmental power generation device 1, the synthesis circuit 2, and the power storage device 3 constitute an environmental power generation device system 7.

  Electricity generated by the environmental power generation device 1 is supplied to the microprocessor 5. The microprocessor 5 becomes operable when electricity is supplied from the energy harvesting apparatus 1. Electricity generated by the energy harvesting apparatus 1 is supplied to the temperature / humidity pressure sensor 4 and the wireless communication circuit 6 via the microprocessor 5. Each of the temperature / humidity pressure sensor 4 and the wireless communication circuit 6 can operate when supplied with electricity from the environmental power generation device 1.

  FIG. 2 is a block diagram showing the energy harvesting system 7 of FIG. In the figure, an environmental power generation apparatus 1 includes a radio power generation apparatus 100 that generates power from radio waves, a vibration power generation apparatus 200 that generates power by receiving a force from outside, and a thermoelectric power generation that generates power using thermoelectromotive force. Device 300. Each of the electricity generated by the radio wave generator 100, the vibration power generator 200, and the thermoelectric generator 300 is input to the synthesis circuit 2.

  FIG. 3 is a block diagram showing the radio power generator 100 of FIG. In the figure, a radio wave generator 100 includes an AM radio wave generator 110 that generates power from AM radio waves, an FM radio wave generator 120 that generates power from FM radio waves, a TV radio power generator 130 that generates power from TV radio waves, and a wireless LAN. And a wireless LAN radio wave generator 140 that generates electric power from radio waves.

  The AM radio wave generator 110 includes an AM antenna 111 that receives AM radio waves, a detection circuit 112 that receives a reception signal of AM radio waves received by the AM antenna 111, and a booster that receives electricity output from the detection circuit 112. Circuit 113.

  The AM antenna 111 receives AM radio waves that are radio waves in the medium radio broadcast band that are generally broadcast in the band of 531 kHz to 1602 kHz. The detection circuit 112 detects the AM radio wave received by the AM antenna 111 and outputs electricity generated from the AM radio wave to the booster circuit 113. The booster circuit 113 smoothes the input electrical voltage, boosts it to a voltage at which the microprocessor 5 can operate, and outputs electricity to the synthesis circuit 2. The AM radio power generator 110 receives AM radio waves having a plurality of frequencies simultaneously, and generates electricity from each AM radio wave. In other words, the AM radio power generator 110 receives AM radio waves from a plurality of broadcasting stations at the same time, and generates electricity from each AM radio wave.

  The FM radio wave generator 120 includes an FM antenna 121 that receives FM radio waves, a detection circuit 122 that receives reception signals of FM radio waves received by the FM antenna 121, and a booster that receives electricity output from the detection circuit 122. Circuit 123.

  The FM antenna 121 receives FM radio waves that are radio waves in the VHF radio broadcast band that are generally broadcast in the 76 MHz to 90 MHz band. The detection circuit 122 detects FM radio waves received by the FM antenna 121 and outputs electricity generated from the FM radio waves to the booster circuit 123. The booster circuit 123 smoothes the input electrical voltage, boosts it to a voltage at which the microprocessor 5 can operate, and outputs electricity to the synthesis circuit 2. The FM radio wave generator 120 receives FM radio waves having a plurality of frequencies simultaneously, and generates electricity from each FM radio wave. That is, the FM radio wave generator 120 is configured to simultaneously receive FM radio waves from a plurality of broadcasting stations and generate electricity from each FM radio wave.

  The TV radio power generator 130 includes a TV antenna 131 that receives TV radio waves, a detection circuit 132 that receives a reception signal of TV radio waves received by the TV antenna 131, and a boost that receives electricity output from the detection circuit 132. Circuit 133.

  The TV antenna 131 receives TV radio waves, which are radio waves in the UHF band television broadcast band that is generally broadcast in the band of 470 MHz to 770 MHz. The detection circuit 132 detects the TV radio wave received by the TV antenna 131 and outputs the electricity generated from the TV radio wave to the booster circuit 133. The booster circuit 133 smoothes the input electrical voltage, boosts it to a voltage at which the microprocessor 5 can operate, and outputs electricity to the synthesis circuit 2. The TV radio power generator 130 receives TV radio waves having a plurality of frequencies simultaneously, and generates electricity from each TV radio wave. That is, the TV radio wave generator 130 receives TV radio waves from a plurality of broadcasting stations simultaneously, and generates electricity from each TV radio wave.

  The wireless LAN radio wave generator 140 includes a wireless LAN antenna 141 that receives a wireless LAN radio wave, a detection circuit 142 that receives a reception signal of the wireless LAN radio wave received by the wireless LAN antenna 141, and an electrical that is output from the detection circuit 142. Is input to the booster circuit 143.

  The wireless LAN antenna 141 receives a wireless LAN radio wave that is a radio wave in a wireless LAN communication band generally used in a band of 2400 MHz to 2484 MHz. The detection circuit 142 detects a wireless LAN radio wave received by the wireless LAN antenna 141 and outputs electricity generated from the wireless LAN radio wave to the booster circuit 143. The booster circuit 143 smoothes the input electrical voltage, boosts it to a voltage at which the microprocessor 5 can operate, and outputs electricity to the synthesis circuit 2.

  FIG. 4 is a block diagram showing the vibration power generation apparatus 200 of FIG. In the figure, a vibration power generation apparatus 200 includes a vibration-electric conversion element (vibration unit) 201 including a microphone, an electromagnetic induction element, and a piezoelectric element, and a rectifier circuit 202 to which electricity output from the vibration-electric conversion element 201 is input. And a booster circuit 203 to which electricity output from the rectifier circuit 202 is input.

  The oscillating electrical conversion element 201 vibrates by receiving a force from the outside. Examples of the force received by the oscillating electric transducer 201 include sound waves and vibrations of objects. When the oscillating electrical conversion element 201 is a microphone, it vibrates by receiving a sound wave and converts the sound wave into an electrical signal. The oscillating electricity conversion element 201 generates electricity when the oscillating electricity conversion element 201 converts sound waves into electric signals. When the oscillating electrical conversion element 201 is a piezoelectric element, a force is applied to the oscillating electrical conversion element 201 by receiving vibration of an object, and an electromotive force is generated in the oscillating electrical conversion element 201 by the applied force. The oscillating electricity conversion element 201 generates electricity when an electromotive force is generated in the oscillating electricity conversion element 201.

  The rectifier circuit 202 rectifies the electricity generated by the oscillating electricity conversion element 201 from alternating current to direct current, and outputs the rectified electricity to the booster circuit 203. The booster circuit 203 smoothes the input electrical voltage, boosts it to a voltage at which the microprocessor 5 can operate, and outputs electricity to the synthesis circuit 2.

  FIG. 5 is a block diagram showing the thermoelectric generator 300 of FIG. In the figure, a thermoelectric generator 300 includes a thermoelectric element unit 301 composed of Seebeck elements and a booster circuit 302 to which electricity output from the thermoelectric element unit 301 is input.

  The thermoelectric element unit 301 includes a hot junction (not shown) and a cold junction (not shown). In the thermoelectric element 301, a thermoelectromotive force is generated due to a temperature difference between the hot junction and the cold junction. The thermoelectric element unit 301 generates electricity when a thermoelectromotive force is generated in the thermoelectric element unit 301. In addition, the thermoelectric element unit 301 outputs the generated current to the booster circuit 302. The booster circuit 302 boosts the input electrical voltage to a voltage at which the microprocessor 5 can operate, and outputs the electricity to the synthesis circuit 2.

  As shown in FIGS. 3, 4, and 5, the synthesis circuit 2 includes an AM radio power generator 110, an FM radio power generator 120, a TV radio power generator 130, a wireless LAN radio power generator 140, a vibration power generator 200, and a thermoelectric generator. The electricity input from each of the devices 300 is combined into one. The combining circuit 2 is set in advance among the electricity input from the AM radio power generator 110, the FM radio power generator 120, the TV radio power generator 130, the wireless LAN radio power generator 140, the vibration power generator 200, and the thermoelectric power generator 300. Only electricity exceeding the generated voltage is synthesized, and electricity is temporarily stored in the power storage device 3 (FIG. 1). The electricity temporarily stored in the power storage device 3 is supplied to the microprocessor 5 (FIG. 1), the temperature / humidity pressure sensor 4 (FIG. 1), and the wireless communication circuit 6 (FIG. 1) via the synthesis circuit 2. . The preset voltage is a voltage at which the microprocessor 5 can operate.

  As shown in FIG. 1, the microprocessor 5 acquires the temperature / humidity pressure sensor 4 as the detection result of the temperature / humidity pressure sensor 4, and outputs the detection result of the temperature / humidity pressure sensor 4 to the wireless communication circuit 6. The mode of the microprocessor 5 is switched between the operation mode and the sleep mode. The operation mode of the microprocessor 5 is a mode in which the temperature / humidity pressure sensor 4 and the wireless communication circuit 6 can be controlled, and is a mode in which a normal amount of power is consumed. The sleep mode of the microprocessor 5 is a mode in which the temperature / humidity pressure sensor 4 and the wireless communication circuit 6 are not controlled, and is a mode that consumes less power than the operation mode. The microprocessor 5 periodically changes from the sleep mode to the operation mode, acquires the detection result from the temperature / humidity pressure sensor 4, and outputs the detection result to the wireless communication circuit 6. Further, when the microprocessor 5 stops obtaining the detection result from the temperature / humidity pressure sensor 4 and stops outputting the detection result to the wireless communication circuit 6, the mode becomes the sleep mode.

  The wireless communication circuit 6 transmits the detection result from the temperature / humidity pressure sensor 4 to the outside by wireless communication under the control of the microprocessor 5. The wireless communication circuit 6 is in an operation mode when transmitting the detection result to the outside. The operation mode of the wireless communication circuit 6 is a mode in which the detection result can be transmitted to the outside, and is a mode in which a normal amount of power is consumed. In addition, the wireless communication circuit 6 enters a sleep mode when transmission of detection results is stopped. The sleep mode of the wireless communication circuit 6 is a mode in which the detection result is not transmitted to the outside, and is a mode that consumes less power than the operation mode.

  As described above, according to the environmental power generation device 1 according to the first embodiment of the present invention, the radio power generation device 100 that receives radio waves and generates power from the received radio waves, and vibrates by receiving force from the outside. A vibration power generation apparatus 200 that includes the oscillating electrical conversion element 201 and generates power using the vibration of the oscillating electrical conversion element 201, and a thermoelectric element unit 301, and generates heat using the thermoelectromotive force generated in the thermoelectric element unit 301. For example, even in an area where radio waves cannot be received, the vibration power generation apparatus 200 or the thermoelectric power generation apparatus 300 can generate power. As a result, the area where the energy harvesting apparatus 1 can be installed can be expanded. Moreover, compared with the environmental power generation apparatus which produces electric power using a solar cell, it can also install in the area | region where light is not irradiated, such as in a wall.

  In addition, according to the environmental power generation system 7 according to Embodiment 1 of the present invention, the radio power generation device 100 that receives radio waves and generates power from the received radio waves, the oscillating electrical conversion element that vibrates by receiving force from the outside 201, a thermoelectric generator 200 having a thermoelectric element 200 and a thermoelectric generator 301 that generates power using the vibration of the oscillating electric transducer 201, and that generates heat using a thermoelectromotive force generated in the thermoelectric element 301 Since the environmental power generation apparatus 1 having 300 and the synthesis circuit 2 that synthesizes the electricity generated by the environmental power generation apparatus 1 are provided, for example, even in an area where the environmental power generation apparatus 1 cannot receive radio waves, Electricity can be generated by the apparatus 1 and the electricity generated by the environmental power generation apparatus 1 can be synthesized. As a result, the area where the energy harvesting system 7 can be installed can be expanded. Moreover, it can install also in the area | region where light is not irradiated, such as the inside of a wall, compared with the environmental power generation device system provided with the environmental power generation device which produces electric power using a solar cell.

  Moreover, since the energy harvesting system 7 includes the power storage device 3 that stores the electricity synthesized by the synthesis circuit 2, the electricity supplied from the energy harvesting system 7 can be stabilized.

  The radio wave generator 100 also has an AM radio wave generator 110 that generates power from AM radio waves. The AM radio wave generator 110 receives AM radio waves having a plurality of frequencies. Can be generated. Thereby, compared with the case where AM electric wave of a single frequency is received, big electric power can be obtained.

  Further, the radio wave generator 100 includes an FM radio wave generator 120 that generates power from FM radio waves. The FM radio wave generator 120 receives FM radio waves having a plurality of frequencies. Can be generated. Thereby, compared with the case where FM electric wave of a single frequency is received, big electric power can be obtained.

  The radio wave generator 110 has a TV radio wave generator 130 that generates power from TV radio waves, and the TV radio wave generator 130 receives TV radio waves having a plurality of frequencies. Can be generated. Thereby, compared with the case where the TV electric wave of a single frequency is received, big electric power can be obtained.

  In addition, the sensor device according to Embodiment 1 of the present invention includes the radio power generation device 100 that receives radio waves and generates power from the received radio waves, and the oscillating electrical conversion element 201 that vibrates when receiving a force from the outside. The thermoelectric generator 200 and the thermoelectric element unit 301 that generate power using the vibration of the oscillating electric transducer 201, and the thermoelectric generator 300 that generates power using the thermoelectromotive force generated in the thermoelectric element unit 301 are provided. The environmental power generation apparatus 1, the temperature / humidity / pressure sensor 4 for detecting ambient state information, the microprocessor 5 for acquiring the detection result of the temperature / humidity / pressure sensor 4, and the detection result of the temperature / humidity / pressure sensor 4 from the microprocessor 5 are input. And a wireless communication circuit 6 for transmitting the detection result to the outside, and the temperature / humidity pressure sensor 4, the microprocessor 5 and the wireless communication circuit 6 include the environment Since electricity is supplied from the electric device 1, for example, even in a region where the environmental power generation device 1 cannot receive radio waves, the temperature / humidity / pressure sensor 4 detects the peripheral state information, and the wireless communication circuit 6 indicates the detection result. Can be sent externally. As a result, the area where the sensor device can be installed can be expanded. Moreover, compared with the sensor apparatus provided with the environmental power generation apparatus which produces electric power using a solar cell, it can also install in the area | region where light is not irradiated, such as in a wall.

  In addition, since the sensor device includes the synthesis circuit 2 that synthesizes the electricity generated by the environmental power generation device 1, the amount of electricity supplied to the microprocessor 5 can be increased.

  In addition, since the sensor device includes the power storage device 3 that stores the electricity synthesized by the synthesis circuit 2, the supply of electricity to the microprocessor 5 can be stabilized.

  The microprocessor 5 periodically changes from the sleep mode to the operation mode, acquires the detection result from the temperature / humidity pressure sensor 4, and outputs the detection result to the wireless communication circuit 6. Further, when the microprocessor 5 stops obtaining the detection result from the temperature / humidity pressure sensor 4 and stops outputting the detection result to the wireless communication circuit 6, the mode becomes the sleep mode. Thereby, the power consumption of the sensor device can be reduced, and the electricity generated by the environmental power generation device 1 can be used effectively.

  The wireless communication circuit 6 is in an operation mode when the detection result of the temperature / humidity pressure sensor 4 is transmitted to the outside, and is in a sleep mode when transmission of the detection result of the temperature / humidity / pressure sensor 4 is stopped. Thus, the power consumption of the sensor device can be reduced, and the electricity generated by the environmental power generation device 1 can be used effectively.

  In the first embodiment, the environmental power generation device 1 including all of the radio wave power generation device 100, the vibration power generation device 200, and the thermoelectric power generation device 300 has been described. However, the radio wave power generation device 100, the vibration power generation device 200, and the thermoelectric power generation device are described. What is necessary is just the environmental power generation apparatus 1 provided with at least 2 of 300.

  In the first embodiment, the radio wave power generation apparatus 100 including all of the AM radio wave power generation apparatus 110, the FM radio wave power generation apparatus 120, the TV radio wave power generation apparatus 130, and the wireless LAN radio wave power generation apparatus 140 has been described. The radio wave generator 100 having one to three of the device 110, the FM radio wave generator 120, the TV radio generator 130, and the wireless LAN radio generator 140 may be used. Further, the radio wave generator 100 may be configured to generate power from radio waves other than AM radio waves, FM radio waves, TV radio waves, and wireless LAN radio waves.

  In the first embodiment, the sensor device including the power storage device 3 has been described. However, when electricity is stably supplied from the environmental power generation device 1 to the microprocessor 5, the power storage device 3 is deleted. It may be a sensor device.

  In the first embodiment, the energy harvesting apparatus system 7 including the power storage device 3 has been described. However, the energy harvesting apparatus system 7 from which the power storage device 3 is deleted may be used.

  In Embodiment 1 described above, temperature, humidity, and pressure have been described as examples of the peripheral state information. However, one or two of temperature, humidity, and pressure may be used. Peripheral state information may be used.

  In the first embodiment, the detection result of the temperature / humidity / pressure sensor 4 is input from the microprocessor 5 and the wireless communication circuit 6 is described as an example of the transmission circuit that transmits the detection result to the outside. It may be.

  DESCRIPTION OF SYMBOLS 1 Environmental power generation device 2 Synthesis circuit 3 Power storage device 4 Temperature humidity pressure sensor (sensor) 5 Microprocessor (control device) 6 Wireless communication circuit (transmission circuit) 7 Environmental power generation device system 100 Radio wave power generation device 110 AM radio wave generator, 111 AM antenna, 112 detector circuit, 113 booster circuit, 120 FM radio wave generator, 121 FM antenna, 122 detector circuit, 123 booster circuit, 130 TV radio wave generator, 131 TV antenna, 132 detector circuit, 133 Booster Circuit, 140 Wireless LAN Radio Power Generator, 141 Wireless LAN Antenna, 142 Detector Circuit, 143 Booster Circuit, 200 Vibration Power Generator, 201 Vibrating Electrical Conversion Element (Vibration Unit), 202 Rectifier Circuit, 203 Booster Circuit, 300 Thermoelectric Power Generation Device 301 thermoelectric element 302 Pressure circuit.

Claims (11)

A radio wave generator that receives radio waves and generates power from the received radio waves;
A vibration power generation apparatus having a vibration section that vibrates by receiving a force from the outside, and that generates power using the vibration of the vibration section;
An environmental power generation device comprising at least two of a thermoelectric power generation device having a thermoelectric device portion and generating power using a thermoelectromotive force generated in the thermoelectric device portion. A radio wave generator that receives radio waves and generates power from the received radio waves, a vibration generator that vibrates when receiving a force from the outside, and a thermoelectric element that generates power using the vibration of the vibrator An environmental power generation device having at least two of thermoelectric power generation devices that generate power using thermoelectromotive force generated in the thermoelectric element portion,
An energy harvesting apparatus system comprising: a synthesis circuit that synthesizes electricity generated by the energy harvesting apparatus.   The energy storage system according to claim 2, further comprising a power storage device that stores electricity synthesized by the synthesis circuit. The radio wave generator has an AM radio generator that generates power from AM radio waves,
The environmental power generation system according to claim 2, wherein the AM radio power generation apparatus receives the AM radio waves having a plurality of frequencies. The radio wave generator has an FM radio generator that generates power from FM radio waves,
The environmental power generation system according to any one of claims 2 to 4, wherein the FM radio power generation apparatus receives the FM radio waves having a plurality of frequencies. The radio wave generator has a TV radio generator that generates power from TV radio waves,
The environmental power generation system according to any one of claims 2 to 5, wherein the TV radio wave generator receives the TV radio waves having a plurality of frequencies. A radio wave generator that receives radio waves and generates power from the received radio waves, a vibration generator that vibrates when receiving a force from the outside, and a thermoelectric element that generates power using the vibration of the vibrator An environmental power generation device having at least two of thermoelectric power generation devices that generate power using thermoelectromotive force generated in the thermoelectric element portion,
A sensor for detecting peripheral state information;
A microprocessor for obtaining a detection result of the sensor;
A wireless communication circuit that receives the detection result from the microprocessor and transmits the detection result to the outside;
Electricity is supplied from the environmental power generation device to the sensor, the microprocessor, and the wireless communication circuit.   The sensor device according to claim 7, further comprising a synthesis circuit that synthesizes electricity generated by the environmental power generation device.   The sensor device according to claim 8, further comprising a power storage device that accumulates electricity synthesized by the synthesis circuit.   The microprocessor periodically changes from sleep mode to operation mode, acquires the detection result from the sensor, outputs the detection result to the wireless communication circuit, and acquires the detection result from the sensor. 10. The sensor device according to claim 7, wherein the sleep mode is entered when the detection is stopped and the output of the detection result to the wireless communication circuit is stopped. 11.   The wireless communication circuit is in an operation mode when the detection result is transmitted to the outside, and is in a sleep mode when transmission of the detection result to the outside is stopped. Item 11. The sensor device according to any one of Items 10.

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