JP2005204442A - Electric generator utilizing temperature difference - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To efficiently generate electric power from a self fermenting heat organic material such as compost using an electric generator by means of a temperature difference, and drive a motor fan by the generated electric power to accelerate composting. <P>SOLUTION: The electric generator utilizing a temperature difference is buried deep in compost, and a thermoelectric transducer 8 is placed between a temperature sensitive member 9 and a cooling member 2. The cooling member is supplied with cooling water from above, and the upper face of the thermoelectric transducer 8 is thereby cooled. The motor fan 6 is driven by generated electric power to suck air from outside the compost through an air intake hose 5, and blow the air out of the deep portion of the compost. Thus, a compost bacteria is activated. As a result, composting can be accelerated, and the compost of proper quality can be prepared. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a temperature difference power generation device in which a thermoelectric conversion power generation element such as a Peltier element is incorporated, and particularly when a power generation block is embedded in a self-fermentation heat inducing material such as compost. It is possible to provide a temperature difference power generation device that can effectively use natural resources.

As a power generation device incorporating a thermoelectric conversion power generation element such as a Peltier element, for example, as shown in Patent Document 1, a device in which a number of thermoelectric conversion power generation elements are positioned between cylindrical members has been proposed. In addition, as shown in Patent Document 2, what uses a self-fermentation heat inducing material such as compost is generally generated using an organic gas accompanying fermentation.
Japanese Patent No. 3163290 Japanese Patent No. 3303905

Although the thing of patent document 1 is excellent in electric power generation efficiency, there existed a point which requires considerable skill and device for the assembly workability of an apparatus. Further, the device of Patent Document 2 tends to be expensive because the device becomes large.
Therefore, in order to solve these problems, the present applicant has conceived of directly utilizing a self-fermentation heat-inducing material such as compost, and fermenting compost stored in the outer frame 7 as shown in FIG. Hot water is generated in a cylindrical transmission container 14 for transmitting heat, and a thermoelectric conversion element 8 such as a Peltier element is provided above the transmission container 14 to superpose the cooling water reservoir 15 on the outside thereof. I developed something and led to an experiment. This water is made into warm water by fermentation heat, and the hot water is used as a heat source. Although the power generation action has appeared, it is necessary to improve the power generation efficiency to efficiently absorb the heat source and convert it into power generation. It was found that further improvements were necessary.

  In view of the above-described situation, the present invention intends to provide a temperature difference power generation device that is excellent in assemblability and has high power generation efficiency in any use situation.

In order to solve the above-mentioned problems, the present invention firstly provides a warming sensation block to which a heat source is given and a cooling sensation block to which a cooling source is supplied so as to be connectable and separable. The thermoelectric conversion power generation element is characterized in that the two electric power generation elements are embedded in one of the two blocks and connected to form an integral power generation block. The assembly of the power generation block is simplified and the structure is compact, and the thermoelectric conversion power generation element As a result, the heat receiving efficiency can be improved and the generated electromotive force can be increased.
Second, self-fermentation heat-inducing material such as compost is characterized by the embedded power generation block, which can be moved through heat sources such as compost, minimizing the distance of the heat conduction path as much as possible, The heat receiving efficiency was improved by making it possible to efficiently receive the compost fermentation heat.

Third, it is characterized by the fact that a power generation block is embedded in the self-fermenting heat-inducing material such as compost and an outside air supply fan is provided to promote the induction of self-fermenting heat such as compost. It was possible to promote fermentation.
The fourth feature is that a warm block is placed in contact with a high heat source member such as a boiler or a heater, and quantitative measurement of the amount of power generated by temperature measurement with a thermometer is possible.
Fifth, a thermoelectric conversion power generation element is incorporated in the thermal sensation block, and cooling water is supplied to the cooling sensation block. did.

Sixth, the cooling water inlet side of the cooling sensation block is high and the outlet side is low, and the flow of cooling water is made smooth by using the potential energy drop.
Seventh, it is characterized in that the cooling water stays in the cooling sensation block for a predetermined time so as to obliquely cross or bypass the flow of the cooling water, and the cooling efficiency is increased.
Eighth, it is characterized by the formation of a warm block made of burned natural zeolite, using the radiant energy from the far-infrared effect using compost fermentation heat as a heat source, promoting the temperature rise of compost, etc. Made possible.
Ninth, the warm block was formed of a water-permeable porous member, and the thermal conductivity from compost was improved.

According to the first aspect of the present invention, it is possible to obtain a compact power generation block having a simple configuration and excellent assemblability, and to improve the power generation efficiency for efficiently absorbing the heat source and converting it into electricity.
According to invention of Claim 2, since the heat insulation effect, such as compost, was utilized by burying a power generation block, a heat insulating material became unnecessary and it enabled improvement in power generation efficiency.
According to the invention of claim 3, by embedding the power generation block and providing the outside air supply fan by the generated electricity, the air is taken into the compost from the outside and the compost fermentation can be promoted.

According to the invention of claim 4, it was confirmed that various heat sources can be used by arranging the thermal block in contact with a high heat source member such as a boiler / heater, and a variety of usage forms was shown.
According to the invention of claim 5, the thermal sensation block absorbs the heat source, and the cooling water in the water storage tank can be adjusted to the one sensation block by the water amount adjuster, and the cooling water is passed through the upper surface of the Peltier element. The cooling efficiency can be increased.
According to the sixth aspect of the present invention, the cooling water moving in the cooling water reservoir in the cooling sensation block is provided with a high and low drop at the inlet and outlet to prevent the cooling water from staying.

According to the invention of claim 7, the cooling water obliquely crosses the cooling part on the upper surface of the Peltier element, thereby increasing the passage area of the cooling water and improving the cooling effect.
According to the explanation of claim 8, by forming the warm block with the burned product of natural zeolite, it is possible to utilize the far infrared effect of natural zeolite and contribute to the increase of the compost temperature.
According to the ninth aspect of the present invention, it is possible to improve the sensitivity when the thermal source is water or water vapor because the thermal block is formed of a water-permeable porous member.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows an overall configuration of a temperature difference power generation device according to the present invention. A flat heat receiving block 9 to which a heat source is given and a box-shaped cooling sensation block 2 to which a cold source is supplied. Are formed so as to be separable via bolts B or the like, and an embedded space portion K in which the thermoelectric conversion power generation element 8 can be fitted and locked is formed on the separation surface side of the cooling sensation block 2. The conversion power generation element 8 is assembled and embedded, and the blocks 2 and 9 are joined together by tightening the bolt B and connected to form an integrated power generation block H. Since the thermoelectric conversion power generation element 8 is configured to be frictionally locked around the thermoelectric conversion power generation element 8 simply by fitting in the embedded space K, it is easy to incorporate and carelessly when the power generation block H is connected and assembled. The operation can be performed reliably without the thermoelectric conversion power generation element 8 falling off.
The embedded space K of the thermoelectric conversion power generation element 8 may be configured on the heat receiving block 9 side instead of the cooling sensation block 2 side.

The heat receiving block 9 of the temperature difference power generation device is made of metal, ceramics, etc., and is formed in a flat plate shape. The heat receiving block 9 is buried in the deep part of the compost T generated from livestock excrement and the like, and the fermentation heat of the compost T (about 80 degrees Celsius) Absorb. On the other hand, a cooling sensation block 2 made of metal, resin, ceramics or the like serving as a cooling unit is disposed on the upper surface of the thermoelectric conversion power generation element 8 made of a Peltier element, and the cooling sensation block 2 is attached to a suspension base 1 of a water tank. Cooling water adjusted by a water amount adjuster 1B such as an opening / closing valve from the water tank 1A passes through the cooling water hose 3 and reaches the cooling water storage chamber 10 from the cooling water inlet 10A of the cooling sensation block 2, and the upper surface of the thermoelectric conversion power generation element 8 It passes through the cooling water outlet hose 4 from the cooling water outlet 10B and is discharged to the outside while cooling one side of the thermoelectric conversion power generation element 8.
The cooling water storage chamber 10 is formed in the back surface of the embedded space K where the thermoelectric conversion power generation element 8 can be fitted and locked, and the thermoelectric conversion power generation element 8 is provided on one side while facilitating the incorporation of the thermoelectric conversion power generation element 8. Can be efficiently cooled.
Further, the motor fan 6 is driven by the electricity generated in the thermoelectric conversion power generation element 8 via the wiring 8 </ b> A so that the air outside the compost (outside air) passes through the air suction hose 5 and is surrounded by the compost outer frame 7. It is a system that promotes the fermentation activation of compost T by being pulled deep and supplying air to compost. As a result, the temperature around the warm block 9 can be maintained at a higher temperature.
The cooling water may be circulated using tap water, well water, river water or the like.

  FIG. 2 is an external perspective view of the temperature difference power generation device. FIG. 3 is a plan view of the cooling water chamber 10 on the upper surface of the thermoelectric conversion power generation element 8. Since the cooling water passes obliquely across, a large area can be cooled. FIG. 4 is a cross-sectional view of the heat receiving block 9 formed of a baked product of zeolite and the cooling sensation block 2 in contact with the upper surface of the thermoelectric conversion power generation element 8. The cooling water storage chamber 10 located in the center of the cooling sensation block 2 has a position drop h at the cooling water inlet 10A and the cooling water outlet 10B, and the cooling water is made to move smoothly and the thermoelectric conversion element 8 is efficiently cooled. .

FIG. 5 shows a device that absorbs air (outside air) from outside the compost T and ejects air from the deep portion of the compost by the motor fan 6. The electric air generated in the thermoelectric conversion power generation element 8 composed of Peltier elements is driven by the motor 11 and the air introduced from the air suction hose 5 by the motor 11 is combusted from the air outlet 12 through the portion buried in the deep compost. Air is supplied to the fungus to promote fermenting of compost and induce high heat.

FIG. 6 shows another embodiment of the present invention, in which a heat receiving block 9 is disposed in contact with a high heat source member K such as a cooking heater, a stove, or a boiler. This is a system in which a water reservoir 13 is placed on the upper surface of the high heat source member K, the water stored in the reservoir 13 is heated to become a high heat source, the temperature difference power generation device is functioned, and the motor fan 6 is driven. By heating water, the temperature of the high heat source can be maintained at around 100 degrees Celsius, and there is an advantage that power generation at a constant power can be performed while preventing deterioration of the components of the thermoelectric conversion power generation element 8 due to super high heat.
FIG. 7 shows the development process of the temperature difference power generation system that the inventor of the present patent application worked on until reaching the present application. The water stored in the compost fermentation heat transfer container 14 is heated by the compost fermentation heat. A heat source was used. Water is stored in one of the cooling water reservoirs 15 and a thermoelectric conversion power generation element 8 composed of a Peltier element is arranged between the high heat source and the cold heat source as a cold heat source. Furthermore, it has been found that further ingenuity is necessary.

  Power was generated efficiently by embedding a power generation block that generates power using the fermentation heat of compost. The motor fan was rotated using the generated electricity, and air was drawn into the compost from outside the compost to promote the activity of the compost fermenting bacteria, making it possible to improve the efficiency of producing high-quality compost.

  The present invention has been described mainly with a self-fermentation heat-inducing material such as compost, in which a power generation block is embedded, but a high heat source member such as an incinerator boiler, a heating stove, or a cooking heater is used for heating. It is possible to change the use of a high-temperature heat source having a similar concept, which may be a contact block arranged in contact with each other, within the scope of the technical idea of the present invention. It is not limited to the form.

It is a side view which shows the whole structure of a temperature difference power generation system. It is a perspective view which shows the external appearance of a temperature difference electric power generating apparatus. It is a top view of the cooling water chamber in the cooling sensation block above a thermoelectric conversion element. It is a side view of a temperature difference power generation system. It is a side view which shows the ejection apparatus of the intake air by a motor fan. It is a side view which shows the temperature difference power generation apparatus accompanying the temperature rise of water as a general heat source. It is a side view of the early stage of development of a temperature difference power generation system.

Explanation of symbols

1 Water tank suspension 2 Cooling block 3 Cooling water inlet hose 4 Cooling water outlet hose
5 Air Suction Hose 6 Motor Fan 7 Compost Outer Frame 8 Thermoelectric Conversion Element 9 Heat Receiving Block 10 Cooling Water Reservoir 11 Motor 12 Air Jet 13 Water Reservoir 14 Compost Fermentation Heat Transfer Vessel 15 Cooling Water Reservoir

Claims (9)

  A heat receiving block to which a heat source is given and a cooling sensation block to which a heat source is supplied are provided so as to be connectable and separable, and the thermoelectric conversion power generation element is embedded in one of the separation surfaces of the both blocks, A temperature difference power generator characterized in that it is connected to form an integrated power generation block.   The temperature difference power generation device according to claim 1, wherein a power generation block is embedded in a self-fermentation heat inducing material such as compost.   The temperature difference power generation device according to claim 2, wherein an external air supply fan that embeds a power generation block and promotes induction of self-fermentation heat such as compost is provided in a self-fermentation heat induction material such as compost.   The temperature difference power generator according to claim 1, wherein the thermal sensation block is disposed in contact with a high heat source member such as a boiler or a heater.   2. The temperature difference power generation device according to claim 1, wherein a thermoelectric conversion power generation element is incorporated in the thermal sensation block, and cooling water is supplied to the cooling sensation block.   6. The temperature difference power generator according to claim 5, wherein the cooling water inlet side of the cooling sensation block is raised and the outlet side is lowered.   6. The temperature difference power generation device according to claim 5, wherein the cooling water stays in the cooling sensation block for a predetermined time so as to obliquely cross or bypass the flow of the cooling water.   2. The temperature difference power generation device according to claim 1, wherein the warm feeling block is formed of a fired product of natural zeolite. The temperature difference power generator according to claim 1, wherein the warm feeling block is formed of a water-permeable porous member.

Images