WO1999019979A1 - Bloc generateur de puissance dote d'une unite de generateur thermoelectrique - Google Patents
Bloc generateur de puissance dote d'une unite de generateur thermoelectrique Download PDFInfo
- Publication number
- WO1999019979A1 WO1999019979A1 PCT/JP1998/004590 JP9804590W WO9919979A1 WO 1999019979 A1 WO1999019979 A1 WO 1999019979A1 JP 9804590 W JP9804590 W JP 9804590W WO 9919979 A1 WO9919979 A1 WO 9919979A1
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- WO
- WIPO (PCT)
- Prior art keywords
- thermoelectric
- circuit
- booster circuit
- power generation
- generation unit
- Prior art date
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Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C10/00—Arrangements of electric power supplies in time pieces
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
- H10N10/17—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the structure or configuration of the cell or thermocouple forming the device
Definitions
- the present invention relates to a power generation block with a thermoelectric generation unit including a thermoelectric generation unit containing a thermoelectric element that generates an electromotive force based on the Seebeck effect.
- the present invention provides a booster circuit block including a booster circuit for boosting the electromotive force generated by the thermoelectric generator unit, and controls the operation of storing the electromotive force generated by the thermoelectric generator unit,
- a power generation block with a thermoelectric power generation unit comprising: a power supply for controlling the operation of the circuit; and an operation control circuit.
- thermoelectric generator made up of many individual component parts is made of metal. It is located between the casing bottom and the support ring. In this thermoelectric generator (Peltier battery), the heating electrode is placed facing the bottom of the casing, and the cold electrode is placed facing the metal cover. In other constructions, the thermoelectric generator is held against the intermediate ring via a shock absorber.
- the first insulator is used as a heat absorbing side
- the second insulator is used as a rule
- the output end is used. Then, the electromotive force is obtained, and the electromotive force is stored in the power storage member, and the power storage member operates the time display means.
- thermoelectric elements move in a space inside the wristwatch. It is divided and arranged other than the part occupied by.
- a P-type thermoelectric element and an n-type thermoelectric element are connected at an end to form a thermocouple. All thermocouples are connected in series to form a thermoelectric element.
- thermoelectric generation element is disposed between a back cover and a module cover.
- the device contains a number of thermocouples.
- thermoelectric generation unit containing one or more thermoelectric elements.
- thermoelectric elements have low resistance to external forces.
- many p-type and n-type thermoelectric elements in the form of elongated columns are arranged side by side, so that the p-type and n-type thermoelectric elements are perpendicular to their longitudinal direction.
- the thermoelectric element could be destroyed.
- a force along the longitudinal direction was applied to the p-type thermoelectric element and the n-type thermoelectric element, if the force exceeded a certain magnitude, the thermoelectric element could be broken.
- thermoelectric element Conventionally, the strength of the thermoelectric element could not be increased because the thermoelectric element was directly arranged in the space inside the wristwatch without mounting the thermoelectric element as a thermoelectric generation unit.
- a means for connecting the thermoelectric elements is required.
- thermoelectric generation unit that has a thermoelectric generation unit including a plurality of thermoelectric elements and has a booster circuit and a power supply operation control circuit for controlling the operation of the booster circuit has not been developed.
- An object of the present invention is to provide a power generation block with a thermal power generation unit having good power generation efficiency.
- thermoelectric generation unit It is another object of the present invention to provide a small and thin power generation block with a thermoelectric generation unit.
- Another object of the present invention is to provide a power generating block with a thermoelectric unit that is easy to manufacture. It is to be. Disclosure of the invention
- a power generation block with a thermoelectric generation unit accommodates one or more thermoelectric elements that generate an electromotive force based on the Zeck effect, and forms a heat absorbing plate.
- a thermal power generation unit that includes a second heat transfer plate that includes a heat transfer plate and that constitutes a heat sink, and a heat transfer unit that is made of a thermally conductive material and is arranged to contact the second heat transfer plate
- a booster circuit block including a booster circuit for boosting the electromotive force generated by the thermoelectric generator unit; and controlling an operation of storing the electromotive force generated by the thermoelectric generator unit, and controlling an operation of the booster circuit.
- a power supply operation control circuit including a booster circuit for boosting the electromotive force generated by the thermoelectric generator unit; and controlling an operation of storing the electromotive force generated by the thermoelectric generator unit, and controlling an operation of the booster circuit.
- thermoelectric generation unit is attached to the heat conductor while the outer surface of the second heat transfer plate is in contact with the heat conductor.
- thermoelectric generation unit that is easy to manufacture.
- the power generation block with the thermoelectric generation unit of the present invention includes a power generation block frame made of an electrically insulating material, the boost circuit block has a boost circuit board, and the thermoelectric generation unit has a power generation unit. It is preferable that a lead board for transmitting the generated electromotive force is provided, and the lead board is fixed to the power generation block in a state where the pattern of the lead board is in contact with the pattern of the booster circuit board.
- thermoelectric generation unit that is easy to manufacture.
- the power generation block with the thermoelectric generation unit of the present invention is a power generation block for Preferably, the elements are arranged around the thermoelectric unit.
- thermoelectric generation unit With this configuration, a small and thin power generation block with a thermoelectric generation unit can be realized.
- FIG. 1 is a process chart showing a process for manufacturing a thermoelectric power cut according to the present invention.
- FIG. 2 is a plan view of a first heat transfer plate of the thermoelectric generator unit of the present invention.
- FIG. 3 is a cross-sectional view of the first heat transfer plate taken along line 3A-3A in FIG.
- FIG. 4 is a plan view of a lead substrate of the thermoelectric generator unit of the present invention.
- FIG. 5 shows a state in which the lead substrate is bonded to the first heat transfer plate in the thermoelectric generator unit of the present invention.
- FIG. 1 A first figure.
- FIG. 6 shows a state in which the lead substrate is bonded to the first heat transfer plate at line 6 A—6 A in FIG.
- FIG. 7 is a schematic side view of the thermoelectric element of the thermoelectric generator unit of the present invention.
- FIG. 8 is a plan view of the thermoelectric element upper substrate of the thermoelectric generation unit of the present invention.
- FIG. 9 is a plan view of a thermoelectric element lower substrate of the thermoelectric generator unit of the present invention.
- FIG. 10 is a cross-sectional view of the thermoelectric element taken along line 1OA-1OA in FIG.
- FIG. 11 is a plan view showing a state in which a thermoelectric element is bonded to a first heat transfer plate in the thermoelectric generator unit of the present invention.
- FIG. 12 is a cross-sectional view showing a state where the thermoelectric element is bonded to the first heat transfer plate, taken along line 12 A- 12 A in FIG. 11.
- FIG. 13 is a plan view showing a state in which the terminal pattern of the thermoelectric element and the lead pattern of the lead board are electrically connected by wire bonding in the thermoelectric generator unit of the present invention.
- FIG. 14 is a cross-sectional view showing a state where conduction is established by wire bonding between the terminal pattern of the thermoelectric element and the lead pattern of the lead substrate at line 14 A- 14 A in FIG.
- FIG. 15 is a plan view of a unit frame of the thermoelectric generator unit of the present invention.
- FIG. 16 is a sectional view of a unit frame of the thermoelectric generator unit of the present invention.
- FIG. 17 is a plan view showing a state in which the unit frame is fixed to the first heat transfer plate in the thermoelectric generator unit of the present invention.
- FIG. 18 is a plan view of the thermoelectric generation unit of the present invention.
- FIG. 19 is a sectional view of the thermoelectric generation unit of the present invention.
- FIG. 20 is a cross-sectional view of a timepiece body of a timepiece provided with a power generation block with a thermoelectric power cut according to the present invention.
- FIG. 21 is a rear plan view of a timepiece body of a timepiece provided with a power generation block with a unit according to the present invention, as viewed from the case back side with the case back and the back cover removed.
- FIG. 22 is a rear plan view of the power generation block with the thermoelectric generation unit, as viewed from the back lid side.
- FIG. 23 is an enlarged partial back plan view (part 1) of the power generation block with the thermoelectric generation unit of the present invention, as viewed from the back lid side.
- FIG. 24 is an enlarged partial rear plan view (part 2) of the power generation block with a thermoelectric power ut of the present invention, as viewed from the back lid side.
- FIG. 25 is an enlarged partial rear plan view (part 3) of the power generation block with the thermoelectric generation unit of the present invention, as viewed from the back lid side.
- FIG. 26 is an enlarged partial rear plan view (part 4) of the power generation block with the thermoelectric generation unit of the present invention, as viewed from the back lid side.
- FIG. 27 is a partial cross-sectional view (part 1) of a power generation block with a thermoelectric generation unit according to the present invention.
- Fig. 28 is a partial cross-sectional view of a power generation block with a thermoelectric generation unit according to the present invention (part 2). It is.
- FIG. 29 is a plan view of the heat conductor included in the power generation block with the thermoelectric generation unit of the present invention.
- FIG. 30 is a plan view of a circuit insulating plate included in the power generation block with a thermoelectric generation unit of the present invention.
- FIG. 31 is a plan view of a power generation block frame included in the power generation block with a thermoelectric generation unit of the present invention.
- FIG. 32 is a plan view of a booster circuit block included in the power generation block with the thermoelectric generation unit of the present invention.
- FIG. 33 is an enlarged partial cross-sectional view showing a timepiece provided with a power generation block with a thermoelectric generation unit according to the present invention, showing an electrical connection between a circuit block of a component and a booster circuit block.
- FIG. 34 is a front view of a circuit lead terminal used for electrical connection between a movement circuit block and a booster circuit block in a timepiece including a power generation block with a thermoelectric generation unit according to the present invention.
- FIG. 35 shows a timepiece provided with a power generation block with a thermoelectric generation unit according to the present invention, in which a pattern of a circuit block of a movement provided for electrical connection with a booster circuit block and a contact with the pattern are provided.
- FIG. 4 is an enlarged partial plan view of an arranged circuit lead terminal.
- FIG. 36 is an enlarged partial cross-sectional view of the electrical connection between the thermoelectric generation unit and the boost circuit block in the power generation block with the thermoelectric generation unit of the present invention.
- FIG. 37 is an enlarged partial cross-sectional view showing a portion where the heat conductor is fixed to the upper body in the embodiment of the timepiece including the power generation block with the thermoelectric generation unit of the present invention.
- FIG. 38 is an enlarged partial cross-sectional view showing a back cover, a heat conduction spacer, and a thermoelectric generation unit in an embodiment of a timepiece including a power generation block with a thermoelectric generation unit according to the present invention.
- FIG. 39 is a plan view of a heat conductive spacer used in a timepiece provided with a power generating block with a thermoelectric unit according to the present invention.
- FIG. 40 is an enlarged partial cross-sectional view showing a part of a timepiece provided with a power generation block with a thermoelectric generation unit of the present invention, in which a back cover is fixed to a lower body.
- FIG. 41 is a plan view of a movement of a timepiece including a power generation block with a thermoelectric generation unit according to the present invention, as viewed from the back cover side.
- FIG. 42 is a schematic block diagram showing a driving portion and a wheel train in a timepiece including a power generation block with a thermoelectric generation unit according to the present invention.
- FIG. 43 is a schematic block diagram showing a circuit configuration of a timepiece including a power generation block with a thermoelectric generation unit according to the present invention.
- FIG. 44 is a schematic block diagram showing a configuration of a booster circuit of a power generation block with a thermoelectric generation unit according to the present invention.
- FIG. 45 is a circuit diagram showing a configuration of an oscillation circuit used in a booster circuit of a power generation block with a thermoelectric power generation unit according to the present invention.
- FIG. 46 is a circuit diagram showing a configuration of a first booster circuit of the power generation block with a thermoelectric generation unit according to the present invention.
- FIG. 47 is a circuit diagram showing a configuration of a second booster circuit of the power generation block with the thermoelectric generation unit of the present invention.
- FIG. 48 is a circuit diagram showing a configuration of a third booster circuit of the power generation block with the thermoelectric generation unit of the present invention.
- FIG. 49 is a circuit diagram showing a configuration of a fourth booster circuit of the power generation block with the thermoelectric generation unit of the present invention.
- FIG. 50 is a schematic block diagram showing the principle of thermoelectric power generation in a power generation block with a thermoelectric generation unit of the present invention.
- FIG. 51 is a cross-sectional view showing a portable electronic device including a power generation block with a thermoelectric generation unit according to the present invention.
- FIG. 52 is a schematic block diagram of a portable electronic device including a power generation block with a thermoelectric generation unit according to the present invention.
- thermoelectric unit used in the embodiment of the electric power generating block with the thermoelectric unit of the present invention and the method of manufacturing the same
- thermoelectric generation unit The method for manufacturing a thermoelectric generation unit according to the present invention will be described.
- the first heat transfer plate 120 is formed (step 101).
- the first heat transfer plate 120 is made of a metal having good heat conductivity, such as aluminum or copper.
- the first heat transfer plate 120 is made of copper, its surface is preferably plated with nickel.
- the first heat transfer plate 120 is a thin plate-like member having a substantially rectangular planar shape.
- the first heat transfer plate 120 has a lead board base part 120a for mounting a lead board, and a mounting guide hole 12 for guiding a lead board when mounting the lead board. 0 b 1, a processing guide hole 12 0 b 2, and thermoelectric element base portions 12 0 d 1 and 12 0 d 2 for mounting thermoelectric elements.
- thermoelectric element base portion 120 d 1 and 120 d 2 is determined according to the planar shape of the thermoelectric element.
- the thickness of the thermoelectric element base part 120 d 1 and 120 d 2 is smaller than the thickness of the lead substrate base part 120 a.
- the lead substrate 130 has an elongated shape and a shape including a portion.
- Li one de board 1 3 0 may be a glass epoxy substrate, or may be a polyimide Dofi Lum substrate c
- Lead pattern for connecting 10 thermoelectric elements in series 1 3 0 a 1 to 1 3 0 a 9 and two output terminal patterns 130 t 1 and 130 t 2 constituting output terminals of the thermoelectric generator unit are provided on the lead substrate 130.
- an adhesive is applied to the lead board base portion 120a of the first heat transfer plate 120 (step 102).
- This adhesive is preferably an epoxy-based adhesive.
- the adhesive may be another type of adhesive, such as a heat-sensitive adhesive, or may be a sheet adhesive.
- the mounting guide holes 120b1 of the first heat transfer plate 120 and the mounting guide holes 130b1 of the lead board 130 are aligned with each other.
- the bonded substrate 130 is bonded to the first heat transfer plate 120 with an adhesive 132 (step 103).
- thermoelectric element 140 of the thermoelectric generation unit of the present invention includes an upper thermoelectric element substrate 142, a lower thermoelectric element substrate 144, and a plurality of P-type semiconductors 144. And a plurality of N-type semiconductors 148.
- the upper thermoelectric element substrate 142 has a plurality of conduction patterns 144 a for conducting the P-type semiconductor 144 and the N-type semiconductor 144.
- the lower thermoelectric element substrate 144 includes a plurality of conduction patterns 144 4a for conducting the P-type semiconductor 144 and the N-type semiconductor 144, and a terminal pattern 1 of the thermoelectric element 140.
- FIG. 10 which has 4 4 b 1 and 1 4 4 b 2, a plurality of P-type semiconductors 1 46 and a plurality of N-type semiconductors 1 4
- the pattern of the upper thermoelectric element substrate 142 and the pattern of the lower thermoelectric element substrate 144 are connected so that the 46 and each N-type semiconductor 144 are alternately connected in series.
- thermoelectric element 140 configured as described above, for example, if the side with the upper thermoelectric element substrate 144 is the heat radiation side and the side with the lower thermoelectric element substrate 144 is the absorption law, the N-type semiconductor 148 has Inside, the electrons move toward the upper thermoelectric element substrate 142 on the heat dissipation side, and within the P-type semiconductor 146, the electrons move toward the lower thermoelectric element substrate 144 on the heat absorption side.
- the respective P-type semiconductors 146 and the respective N-type semiconductors 148 are electrically connected in series via the conductive pattern 142a of the upper thermoelectric element substrate 142 and the conductive pattern 144a of the lower thermoelectric element substrate 144.
- the heat transfer is converted to current in the P-type semiconductor 146 and the N-type semiconductor 148, and between the terminal patterns 144b and 144b2 of the lower thermoelectric element substrate 144. An electromotive force is generated.
- thermoelectric element base portions 120d1 and 120d2 of the first heat transfer plate 120 are, for example, a thermally conductive adhesive such as silver paste.
- This adhesive may be an epoxy-based adhesive that is thermally conductive, or may be another type of thermally-conductive adhesive.
- thermoelectric elements 140a1 to 140a5 are connected to one thermoelectric element base part 1 20d1 of the first heat transfer plate 120.
- the five thermoelectric elements 140a6-140al0 are fixed to the other thermoelectric element base portion 120d2 of the first heat transfer plate 120 (step 105).
- the lower thermoelectric element substrate 1 The lower surface of 44 is bonded to the thermoelectric element base portions 120 d 1 and 120 d 2 with silver paste 134.
- the lower thermoelectric element substrate 144 of the thermoelectric element 140 and the first heat transfer plate 120 can conduct heat.
- thermoelectric elements 140 al to 140 a 5 are arranged on one side (right side in the figure) with respect to the lead substrate 130, and the five thermoelectric elements 1 40 a 6 to 1 40 a 10 are arranged on the other side (left side in the figure) with respect to the lead substrate 130. It is.
- thermoelectric elements 140 a1 to 140 a10 are used.
- the number of thermoelectric elements 140 may be one, or May be two or more. Further, the number of thermoelectric elements 140 is preferably an even number, but may be an odd number.
- the silver paste used in step 105 is dried (step 106).
- the drying temperature is 120. C ⁇ l 50. C, and the drying time is preferably 2 hours to 5 hours.
- process inspection (1) is performed (process 107).
- the resistance of each thermoelement 140 is measured.
- thermoelectric element 1 4 0 a. 1 to 1 40 a 1 each terminal pattern 144 of 0 bl, 144 b 2, Li one de board 1 30 al lead pattern 1 30 al ⁇ : 1 30 a 9 and output terminal pattern 1 30 t 1, 130 t 2 Conducted by wire bonding 150 (process 108) c This wire bonding 150 Then, the thermoelectric element 140 is removed so that the plurality of thermoelectric elements 140 are connected in series.
- thermoelectric elements 140a1 to 140a5 are wired in series by wire bonding 150
- thermoelectric elements 140a6 to 140a10 are wired in series.
- the thermoelectric elements 140a5 and the thermoelectric elements 140a10 are connected in series through the lead pattern 130a9 of the lead board 130 by the wire bonding 150.
- Thermoelectric element 1 40 a 6 Terminal pattern 1 44 b 1 and lead board 1 30
- Lead pad Conduction between turn 1 30a 5 and wire bonding 150 is performed. Conduction is performed by wire bonding 150 between the terminal pattern 1 40 b 2 of the thermoelectric element 140 a 6 and the output terminal pattern 130 t 2 of the lead board 130.
- thermoelectric elements 140 al to: L 40 al 0 are connected in series, and the patterns 130 t 1 and 130 t 2 of the lead substrate 130 are connected to the thermoelectric generator unit. Of the output terminal.
- thermoelectric generation unit in which 10 thermoelectric elements 140 a1 to I 40 a1 are connected in series is measured.
- the unit frame 160 of the thermoelectric power generation unit of the present invention is a member having a substantially rectangular outline, and 10 thermoelectric elements 140 a1 to : It is configured in a shape that can surround the periphery of 140a10.
- the unit frame 160 escapes the lower mounting portion 160 d for mounting the first heat transfer plate 120, the upper mounting portion 160 e for mounting the second heat transfer plate 120, and the lead board 130. And a lead portion 160 f.
- the distance between the lower mounting part 160 d and the upper mounting part 160 e of the unit frame 160 is when the first heat transfer plate 120 and the second heat transfer plate 170 are mounted on the unit frame 160. Further, it is configured such that there is a gap between the lower surface of the second heat transfer plate 170 and the upper surface of the upper thermoelectric element substrate 142 of the thermoelectric element 140.
- Unit frame 160 can be made of plastic such as ABS resin, polycarbonate, or acrylic.
- the unit frame 160 is attached to the first heat transfer plate 1 so that the unit frame 160 surrounds the periphery of the ten thermoelectric elements 140 al to 140 al 0. when the fixed and inter - (step 1 1 0) 3 this 20, the lower portion 1 60 f in the lead board of the unit frame 1 60 is arranged to flee the upper surface of the re-one de substrate 1 30.
- the unit frame 160 may be fixed to the first heat transfer plate 120 by fitting. Alternatively, a part of the unit frame 160 may be welded to the first heat transfer plate 120.
- thermoelectric element substrate 142 of the ten thermoelectric elements 140 a1 to 140 a10 is applied to the upper surface of the upper thermoelectric element substrate 142 of the ten thermoelectric elements 140 a1 to 140 a10 (step 1 11).
- the grease used in this step 1 1 1 is preferably a silicone grease having good thermal conductivity.
- a product name “Toshiba Silicone Compound” is used.
- the second heat transfer plate 170 is fixed to the upper mounting portion 16 Oe of the unit frame 160 (step 1 12). At this time, there is a gap between the lower surface of the second heat transfer plate 170 and the upper surface of the upper thermoelectric element substrate 142 of the thermoelectric element 140, and the silicone grease 172 is disposed in this gap. Therefore, the silicone grease 172 allows the second heat transfer plate 170 and the upper thermoelectric element substrate 142 to conduct heat.
- the second heat transfer plate 170 is made of a metal having good heat conductivity, for example, aluminum or copper. When the second heat transfer plate 170 is made of copper, its surface is preferably plated with nickel.
- the second heat transfer plate 170 is a thin plate-like member having a substantially rectangular planar shape. The external shape of the second heat transfer plate 170 is formed in a size and a shape that can be attached to the upper attachment portion 160 e of the unit frame 160.
- the second heat transfer plate 170 may be fixed to the unit frame 160 by fitting, bonding, or a portion of the unit frame 160 may be fixed to the second heat transfer plate 17 ( ) May be welded.
- thermoelectric generation unit 180 By attaching the second heat transfer plate 170 to the unit frame 160, it is possible to reliably protect the ten thermoelectric elements 140a1 to 140a1 housed in the thermoelectric generation unit 180.
- Guide pins 170 c and 1 0 d for use when attaching the thermoelectric generator unit 180 to another member are provided on one surface of the second heat transfer plate 170. With these inner pins 170c and 170d facing outward, the second heat transfer plate 170 Mounted on frame 160.
- the number of guide pins is preferably two, but may be one, or may be three or more.
- a process inspection (3) is performed (process 113).
- the resistance of the thermal power generation unit 180 is measured.
- a process inspection (4) is performed (process 111).
- the power generation performance of the thermal power generation unit is measured.
- the power generation performance is measured by heating one heat transfer plate of the thermoelectric generation unit 180 with a heater and measuring the voltage output from the thermoelectric generation unit 180 with a voltmeter.
- the difference between the temperature in the room where the thermoelectric generator unit 180 is disposed and the heating temperature of the heater is kept constant.
- any process inspection may be omitted or additional process inspection may be performed.
- thermoelectric generation unit 180 of the present invention is an example of the thermoelectric generation unit 180 of the present invention and the sizes of the components used in the thermoelectric generation unit.
- thermoelectric unit 0.0mm
- thermoelectric element The longitudinal length of the thermoelectric element: 2.4 mm
- Thermoelectric element lateral width 2.2mm
- Thermoelectric element thickness 1.3mm
- Second heat transfer plate thickness 0.5mm
- the first heat transfer plate 120 may be used as a heat absorbing plate and the second heat transfer plate 170 may be used as a heat radiating plate, or The first heat transfer plate 120 may be used as a heat radiating plate, and the second heat transfer plate 170 may be used as a heat absorbing plate.
- the patterns of lead board 13 0 1 3 0 t 1 and 1 3 0 The polarity of the voltage generated between t 2 changes.
- thermoelectric generator unit of the present invention may be manufactured by the following steps.- A first heat transfer plate is prepared, and an epoxy-based adhesive is attached to the lead board base portion 120a of the first heat transfer plate 120. The lead substrate 130 is adhered to the first heat transfer plate 120, and the unit frame 160 is fixed to the first heat transfer plate 120.
- thermoelectric element 140 such as silver paste is applied to the thermoelectric element base part 120 dl ⁇ : L 20 dl0 of the first heat transfer plate 120, and ten thermoelectric elements are formed. 140a1 to 140a10 are fixed to the thermoelectric element base portions 120d1 and 120d2 of the first heat transfer plate 120, respectively. Next, the silver paste used in step 105 described above is dried, and the resistance of each thermoelectric element 140 is measured.
- thermoelectric elements 140 al to 140 al the terminal patterns 144 bl, 144 b 2 of the ten thermoelectric elements 140 al to 140 al 0, and the lead patterns 130 a 1 to 130 a 9 of the lead board 130 and Conduct between the output terminal patterns 1 30 t 1 and 130 t 2 by wire bonding 150.
- the wire bonding 150 connects the thermoelectric elements 140 so that the plurality of thermoelectric elements 140 are connected in series.
- thermoelectric generation unit in which 10 thermoelectric elements 140 al to: L 40 al 0 are connected in series is measured.
- thermoelectric element substrate 142 on the ten thermoelectric elements 140 al to: I 40 al 0.
- the second heat transfer plate 170 is fixed to the upper mounting portion 160 e of the unit frame 160.
- the silicone grease 172 allows the second heat transfer plate 170 and the upper thermoelectric element substrate 142 to conduct heat.
- thermoelectric generator unit 180 measure the resistance of the thermoelectric generator unit 180 and measure the power generation performance of the thermoelectric generator unit.
- a complete watch having the power generation block with the thermoelectric generation unit of the present invention that is, a watch body 200 includes an outer case 202 and a movement 204. , A power generating block 206, a dial 208, a pointer 210, a center 212, and a crown 214.
- the exterior case 202 includes an upper body 222, a decorative edge 222, a lower body 222, a back cover 226, and a glass 228.
- the upper body 220 is made of a thermally conductive material. It is preferable to make 220 from the same month in brass, stainless steel, etc.
- the decorative border 22 2 is made of brass or stainless steel.
- the decorative edge 222 is a force that can be attached to the upper body 220.
- the decorative edge 222 does not need to be provided, and the lower body 222 is made of a material having good heat insulating properties. That is, the lower the moon the 2 2 4 constitutes a heat insulating member to insulate the upper cylinder 2 2 0 and back cover 2 2 6.
- the lower body 224 is made of plastic such as polymer or ABS resin.
- the back lid 2 26 is made of a thermally conductive material. It is preferable that the back cover 226 be made of metal such as stainless steel.
- the frames 2 1 and 2 are made of, for example, plastic. Glass 2 2 8 is attached to upper torso 2 2 0
- “Movement” means a mechanical body that includes a part that drives a watch.
- the movement 204 is driven by a power supply, a clock drive circuit for driving a clock driven by the power supply, a step motor driven by a signal output from the clock drive circuit, and the like.
- a wheel train that rotates based on the operation described above, and a steering mechanism for correcting the position of the pointer 210 are provided.
- the pointer 210 is attached to the train wheel, and displays time or time information by rotating the train wheel.
- the pointer 210 includes, for example, a date hand, a minute hand, and a second hand.
- the side with the back cover 2 26 is called the “back cover side” of the movement
- the side with the glass 2 28 is called the “glass side” of the movement. I do.
- the dial 208 is located on the “glass side” of the movement 204.
- the frames 2 1 and 2 are mounted from the “back lid side” of the movement 204.
- the power generation block 206 with the thermoelectric generation unit of the present invention includes a thermoelectric generation unit 180, a booster circuit block 240, a circuit insulating plate 242, It comprises a conductor 244 and a power generation block frame 246.
- the heat conductor 244 is a plate-like member having a substantially circular outer peripheral shape, and is made of a material having heat conduction. It is preferable to make the heat conductor 244 from a metal such as copper or brass. Preferably, the heat conductor 244 is formed in a flat shape and is not bent: With this configuration, the heat conductor 244 can be manufactured by a simple processing step.
- the circuit insulating plate 242 is a thin plate-like member having a substantially circular outer peripheral shape, and is made of an electrically insulating material.
- the circuit insulating plate 242 is made of a plastic such as polyimide or polyester.
- the power generation block frame 2246 is a member having a substantially circular outer shape and is made of an electrically insulating material. It is preferable that the power generation block frame 246 be made of plastic such as polycarbonate and polyacetal. Three screw pins 246a to 246c are fixed to the power generation block frame 246.
- the booster circuit block 240 includes a booster circuit board 250 having a substantially circular outer peripheral shape.
- the booster circuit board 250 is composed of, for example, a glass epoxy board or a polyimide board.
- a booster integrated circuit 252 for forming a booster circuit, a plurality of capacitors 260, a tantalum capacitor 262, and a plurality of diodes 264 are mounted on the booster circuit board 250. ing.
- the electric elements of the booster circuit block that is, the booster integrated circuit 252 and the plurality of capacitors 260 A tantalum capacitor 26 2 and a plurality of diodes 2 64 are arranged around the thermal power generation unit 180.
- the thermoelectric generator unit 180 is attached to the heat conductor 244.
- the output terminal patterns 13 0 t 1 and 13 0 t 2 of the thermal power generation unit 180 are connected to the pattern of the step-up circuit substrate 250 using the thermal power generation unit terminal terminal set screw 290.
- the lead substrate 130 is fixed to the power generation block frame 246.
- the boost circuit board 250, the circuit insulating plate 24, and the heat conductor 24 are interposed between the lead board 13 and the power generation block frame 24. .
- the output terminal patterns 130 t 1 and 130 t 2 of the lead substrate 130 are conducted to the pattern of the booster circuit substrate 250.
- the heat conductor 244 is fixed to the power generation block frame 246 by two heat conductor set screws 292.
- thermoelectric generation unit (4) Structure of an embodiment of a timepiece including a power generation block with a thermoelectric generation unit according to the present invention
- the movement 204 with the dial 208 and the pointer 210 is mounted on the upper body 220, and the frame 212 is mounted on the back lid of the movement 204.
- the power generation block 206 is arranged on the back cover side of the movement 204 and is fixed to the upper body 220 by a power generation block set screw 310.
- the heat conduction sensor 320 is arranged on the back cover side of the thermal power generation unit 180.
- the case back 2 2 6 is fixed to the lower body 2 2 4.
- the heat conductive spacer 320 has one surface in contact with the first heat transfer plate 120 of the thermoelectric generator unit 180 and the other surface in the back cover '226. It is arranged so that it may contact the side.
- thermoelectric generation unit of the present invention 99/19979
- the movement 204 includes a circuit block 350 to which a clock driving integrated circuit for controlling the operation of the timepiece is mounted.
- a part of the back lid side surface of the circuit block 350 is disposed opposite to a part of the glass side surface of the power generation block frame 246.
- the boost circuit lead terminal 2 16 is made of an elastic material such as spring steel and has the shape of a coil spring.
- the booster circuit lead terminal 216 has one end in contact with the pattern of the booster circuit board 250 and the other end in contact with the pattern of the circuit block 350.
- the step-up circuit lead terminal 2 16 conducts the pattern of the step-up circuit board 250 and the pattern of the circuit block 350 in a compressed state.
- booster circuit lead terminals 2 16 are provided, each of which has eight booster circuit boards 25.
- the pattern of 0 and the pattern of eight circuit blocks 350 are conducted.
- Two of these booster circuit lead terminals 2 16 are provided for transmitting a booster circuit clock signal, one is provided for transmitting a charge switching signal, and one is for transmitting a power generation detection signal.
- Two are provided for transmitting a secondary battery voltage detection signal, one is provided for a positive electrode, and one is provided for GND (ground).
- the booster circuit board 250 of the booster circuit block 240, the circuit insulating plate 242, and the heat conductor 244 are connected to the lead board 130 and the power generation block.
- the lead board 130 is fixed to the power generation block frame 246 while being interposed between the circuit board and the power generation block.
- the upper torso 220 has a convex portion 2 2 projecting in the direction of the back lid. / 19979
- the convex portion 220a is formed in a ring shape substantially along the circumference. That is, the convex portion 220a is arranged outside the movement along the outer periphery of the movement of the timepiece.
- the heat conductor 244 has a glass-side surface in contact with the convex portion 220 a of the upper moon 220.
- the heat conductor 244 is a flat member, and the production of the heat conductor 244 does not require bending.
- the heat conductor 244 is fixed to the upper body 220 by screwing a heat conductor set screw 292 to a female screw provided in the upper body 220. Since the heat conductor 24 is in contact with the upper body 220, the heat transferred from the thermoelectric generator unit 180 passes through the heat conductor 24 and the convex portion 2 of the upper body 220.
- the heat conductor 244 used in the timepiece provided with the power generation block with the thermoelectric generation unit of the present invention, which is transmitted to 240a, has a smaller surface area than the conventional heat conductor that has been subjected to bending. As a result, by using such a heat conductor 244, heat can be transferred extremely efficiently from the second heat transfer plate 170 to the convex portion 220a of the same month 220. Can be.
- the heat conduction spacer 320 has one surface in contact with the first heat transfer plate 120 of the thermoelectric generator unit 180 and the other surface in the back cover 2 26. It touches the side and lays.
- the heat conduction sensor 320 is configured to have a shape obtained by partially removing a circle.
- the shape of the heat conduction spacer 320 is determined so as to correspond to the shape of the first heat transfer plate 120.
- the heat conductive spacer 320 is made of a material having good heat conductivity.
- the heat conductive spacer 320 is preferably made of a silicone rubber sheet.
- Such a silicone rubber sheet can be obtained, for example, as Shin-Etsu Chemical Co., Ltd. “Radio Silicone Rubber Sheet TC-TH Type” and Kitagawa Kogyo Co., Ltd. as “Gip Pad” and “Soft Pad”. Such silicone rubber sheets are soft and compressible and have good thermal conductivity. Referring to FIG. 38, when the thermoelectric generation unit 180 is attached to the watch, the surface 180 f of the back lid side of the thermoelectric generation unit 180 and the inner surface 2 26 f of the back lid 2 26 are formed. The gap T3 between them does not become a constant value due to variations in dimensions of related components.
- the heat conductive switch 320 is compressible, the heat conductive switch 320 is connected to the back cover side surface 180 of the thermal power generation unit 180 and the back cover 2 26 If it is located between the inner surface 2 f of the heat generation unit and the heat transfer spacer, the first heat transfer plate of the thermal power generation unit 180 and the back cover 2 2 6 Can be made heat conductive.
- the thermal thickness of conductive spacer 3 2 taking into account the tolerances of the associated components, and the surface 1 8 0 of the case back side of the heat generator Yunitto 1 8 0 I, case back 2 2 6 is configured to be larger than the maximum value of the gap between the inner surface 2 2 6 f.
- the thickness of the thermally conductive Subesa 3 2 0 and 0.5 mm, incorporating the thermal conductivity scan Bae colonel 3 2 0 clockwise to fix the back cover 2 2 6 Shitatsuki same 2 2 4 4 heat The tolerance of the related components can be determined so that the thickness of the conductive spacers is from 0.1 mm to 0.4 mm. With this configuration, the heat is always efficiently transmitted from the back cover 220 to the first heat transfer plate 120 of the thermoelectric generator unit 180 via the heat conduction spacer 320. Can be done.
- the back cover 2 26 is fixed to the lower body 2 2 4 by screwing the back cover set screw 37 2 into the female screw provided on the lower body 2 24. It is preferable to provide a plurality of, for example, four back lid screws 37 2. Potsuki 3 7 4
- the upper trunk 220 and the lower trunk 222 are arranged between the upper trunk 220 and the lower trunk 222 is located between the back lid 222 and the lower trunk 222.
- the power source of the watch that is, the secondary battery 600 provided in the memory 204 is connected to the thermoelectric generator unit 180.
- the secondary battery 600 is constituted by a rechargeable battery such as an ion lithium secondary battery, for example.
- Such rechargeable batteries include, for example, Matsushita Battery Co., Ltd.'s “Titanium Lithium Ion Secondary Battery MT920” (9.5 mm diameter x 2.0 mm thickness, nominal capacity 3.0 OmAh, Nominal i.5 Porto).
- a rechargeable capacitor may be used instead of the secondary battery 600.
- the movement 204 includes a circuit block 350.
- a clock driving integrated circuit 630 for controlling the operation of the clock is attached to the circuit block 350.
- the clock driving integrated circuit 630 includes a clock driving circuit 418.
- a quartz oscillator 62 constituting a source vibration is mounted on a circuit block 350.
- the clock driving integrated circuit 630 includes a clock driving oscillation circuit, a clock driving frequency dividing circuit, and a motor driving circuit.
- the movement 204 includes a switching mechanism including a winding stem 632, an oscillating body (not shown), a bolt (not shown), and a thumbwheel (not shown), a coil block 6100, and a stator 6 1 2 ⁇ Rotary including 6 14 ⁇ 5th wheel 6 16 ⁇ 4th wheel 6 18 ⁇ 3rd wheel 6 20 ⁇ 2nd wheel 6 2 2 ⁇ Sun wheel 6 2 4 and hour wheel
- a second hand 6400 having a train wheel including 626 is attached to the fourth wheel 618.
- the minute hand 6 4 2 is attached to the center wheel & pinion 6 2 2.
- the hour hand 6 4 6 is attached to the hour wheel 6 2 6.
- the second hand 6 40, the minute hand 6 42 and the hour hand 6 4 6 constitute the hands 2 10.
- crown 2 14 is attached to winding stem 6 32.
- booster circuit 410 is configured to generate electricity generated by thermoelectric generation unit 180. It is provided to increase the pressure.
- the oscillation circuit 412 is provided for driving the booster circuit 410.
- the Schottky diode 414 is provided to rectify the HE generated by the thermoelectric generator unit 180 and the voltage generated by the booster circuit 410.
- the power supply operation control circuit 4 16 supplies the power from the booster circuit 4 10 to the clock drive circuit 4 18 according to the value of the voltage boosted by the booster circuit 4 10, and the power storage member 4 from the booster circuit 4 10. It is provided to control the flow of power to 20 and the flow of power from the power storage member 420 to the clock drive circuit 418.
- the power storage member 420 stores the power boosted by the boost circuit 410 and supplies the power to the timepiece drive circuit 418.
- the timepiece drive circuit 418 is configured to operate using the power boosted by the booster circuit 410 or the power stored in the power storage member 420.
- the output terminal of the thermoelectric generator unit 180 is connected to the electromotive voltage input terminal of the booster circuit 410.
- the P-type electrode of the Schottky diode 4 14 is connected to the output terminal of the thermoelectric generator unit 180.
- the N-type electrode of the Schottky diode 4 14 is connected to the oscillation circuit power supply terminal of the oscillation circuit 4 12.
- the booster E output terminal of the booster circuit 410 is connected to the input terminal of the power supply operation control circuit 416.
- the power storage terminal of the power supply operation control circuit 416 is connected to the input terminal of the power storage member 420.
- Output terminals of the power supply operation control circuit 4 1 6 is connected to the power supply terminal of the timepiece drive circuit 4 1 8.
- thermoelectric power-generating unit 180 Let the voltage at the output terminal of the thermoelectric power-generating unit 180 be Vp. Let p) ⁇ of the boost terminal mJ £ output terminal of the booster circuit 410 be V p ⁇ . 3 ⁇ 4 ⁇ of the power supply terminal of the clock drive circuit 418 is V ic. Let Vca be the input terminal of the power storage member 420.
- the booster circuit 410 is constituted by a “switched capacitor type” booster circuit. I have.
- the booster circuit 410 includes a first booster circuit 43, a second booster circuit 43, a third booster circuit 43, a fourth booster circuit 43, and an inverter circuit 438. And the smoothing capacitors 4440, 4422 and 4444.
- the electromotive voltage input terminal 450 of the booster circuit 410 is connected to the input terminal of the first booster circuit 330.
- the output terminal of the first booster circuit 430 is connected to the input terminal of the second booster circuit 432 and to one electrode of the smoothing capacitor 440.
- the other electrode of the smoothing capacitor 440 is connected to the GND terminal.
- the output terminal of the second booster circuit 432 is connected to the input terminal of the third booster circuit 434, and is connected to one electrode of the smoothing capacitor 442.
- the other electrode of the smoothing capacitor 442 is connected to the GND terminal.
- the output terminal of the third booster circuit 434 is connected to the input terminal of the fourth booster circuit 436, or to one electrode of the smoothing capacitor 444.
- the other electrode of the smoothing capacitor 4 4 4 is connected to the GND terminal.
- the output terminal of the fourth booster circuit 436 forms the boosted voltage output terminal 452 of the booster circuit 410.
- the pulse signal input terminal 4 54 for inputting the pulse signal from the oscillation circuit 4 1 2 is connected to the input terminal of the inverter circuit 4 3 8 and the first pulse signal input of the first booster 4 3 Terminal 4 94, first pulse signal input terminal 5 2 4 of second booster circuit 4 32, first pulse signal input terminal 5 5 4 of third booster circuit 4 3 4, fourth pulse circuit 4 3 6 Connected to 1 pulse signal input terminal 5 5 4.
- the output terminals of the inverter circuit 438 are connected to the second pulse signal input terminal 498 of the first booster circuit 43, the second pulse signal input terminal 528 of the second booster circuit 432, and the third
- the second pulse signal input terminal 558 of the booster circuit 434 and the second pulse signal input terminal 558 of the fourth booster circuit 436 are connected.
- the first booster circuit 430, the second booster circuit 432, the third booster circuit 334, and the fourth booster circuit 436 receive a pulse signal from the oscillator circuit 412.
- the first booster circuit 450 boosts the voltage input from the mil input terminal 450 approximately twice.
- the second booster circuit 432 further boosts the voltage output by the first booster circuit 430 approximately twice.
- the third booster circuit 434 further boosts the voltage output by the second booster circuit 432 approximately twice.
- the fourth booster circuit 436 further boosts the voltage output by the third booster circuit 434 about twice. Therefore, the first booster circuit 4330, the second booster circuit 432, and the third booster circuit A total of approximately 16 times boosting is performed by the 4 3 4 and 4th booster circuit 4 36.
- the output terminal of the inverter circuit 460 is connected to the input terminal of the inverter circuit 462, and is connected to the first electrode of the capacitor 466.
- the output terminal is connected to the input terminal of the inverter circuit 466 and to the first electrode of the capacitor 468.
- the output terminal of the inverter circuit 466 is connected to the input terminal of the inverter circuit 460 and the input terminal of the inverter circuit 470, and to the first electrode of the capacitor 472. Is done.
- the output terminal of the inverter circuit 470 is connected to the input terminal of the inverter circuit 474.
- the output terminal of the inverter circuit 474 is connected to the pulse signal output terminal 476.
- the pulse signal p1 is configured to be output from the pulse signal output terminal 476.
- the second electrodes of the capacitors 464, 4688, and 472 are connected to the GND terminal 478, which is a low-potential electrode of the power storage member 420.
- each inverter circuit is connected to the power supply terminal 480 of the oscillation circuit 412.
- the ground terminal of each inverter circuit is connected to the GND terminal 478.
- ⁇ of the N-channel transistor and the P-channel transistor in the inverter circuit is, for example, 0.3 V
- the driving voltage is 0.7 V.
- the electromotive voltage input terminal 450 of the booster circuit 410 is connected to the drain of the ⁇ -channel type MOS transistor 490 and the source of the ⁇ -channel type MOS transistor 492. Connected to.
- the first pulse signal input terminal 494 is connected to the gate of the ⁇ -channel type MOS transistor 492 and to the gate of the ⁇ -channel type MOS transistor 496.
- 2nd pulse signal input terminal 4 Reference numeral 98 is connected to the gate of the N-channel MOS transistor 490 and to the gate of the N-channel MOS transistor 502.
- the source of N-channel MOS transistor 490 is connected to the drain of N-channel MOS transistor 496 and to the second electrode of capacitor 504.
- the first electrode of the capacitor 504 is connected to the drain of the N-channel MOS transistor 492 and to the source of the N-channel MOS transistor 502.
- An output terminal 506 for outputting the boosted voltage is connected to the drain of the N-channel MOS transistor 502.
- the GND terminal 508 is connected to the source of the N-channel MOS transistor 496. Therefore, the first booster circuit 430 is configured so that the boosted voltage is output from the output terminal 506.
- the second pulse signal input from the second pulse signal input terminal 498 becomes “LOW”
- the N-channel MOS transistors 492 and 496 turn on, and the N-channel MOS transistors 490 and 502 turn off.
- the power supplied to the input terminal 450 is supplied to the first electrode of the capacitor 504 via the MOS transistor 492, and the first electrode of the capacitor 504 rises to the voltage Va.
- the voltage of GND is supplied to the second electrode of the capacitor 504 via the N-channel MOS transistor 496, and the second electrode of the capacitor 504 becomes “LOW”.
- U £ Va, Vb, and Vc are related to the maximum ffi ⁇ S that can flow between the source and drain when an N-channel MOS transistor is turned on.
- An N-channel MOS transistor can apply any small voltage if the voltage applied between its source and drain is less than the maximum value. However, if an N-channel MOS transistor is added between its source and drain but higher than the maximum value, no matter how large miE is added, the power can be reduced to a maximum value of 3 ⁇ 4 ⁇ . I can't do it.
- the voltage supplied from the electromotive input terminal 450 is equal to or less than the maximum voltage of the N-channel MOS transistor 492, and 3 ⁇ 4 ⁇ and Va supplied from the electromotive voltage input terminal 450 are the same. .
- Va becomes the maximum voltage value of the N-channel MOS transistor 492.
- the SJE and Vb supplied from the voltage input terminal 450 are different from each other. Become the same voltage. If the voltage supplied from the input terminal 450 is higher than the maximum voltage of the N-channel MOS transistor 490,
- Vb becomes the maximum voltage value of the N-channel MOS transistor 490.
- Vc When the voltage is equal to or lower than the maximum voltage value of the N-channel MOS transistor 502, Vc becomes a value obtained by adding Va and Vb. If V a and V b generated at the first electrode of capacitor 504 are higher than the maximum voltage of ⁇ -channel MOS transistor 502, V c is the maximum of ⁇ -channel MOS transistor 502. It becomes a large value.
- the “maximum value” of each of the N-channel MOS transistors described above is the ⁇ ] ⁇ of “ ⁇ GH” of each pulse signal input to the gate of each ⁇ -channel MOS transistor, ie, ⁇ 3 ⁇ 4 ⁇ is added to the channel type MOS transistor.
- the first booster circuit 430 can efficiently boost this voltage even when the input E to be boosted is low. This configuration is particularly effective when ff of the input Iff input terminal 450 is lower than ⁇ channel type ⁇ threshold of the S transistor ⁇ ] £.
- the first booster circuit 430 is configured so that the turned-on MOS transistor is turned off and the turned-off MOS transistor is turned on at the same time as the turned-on MOS transistor is turned off. Then, by configuring the MOS transistor that is turned off to be turned on, the through current can be eliminated and the boosting efficiency can be increased.
- the input terminal 510 of the second booster circuit 432 connected to the output terminal 506 of the first booster circuit 430 is connected to the input terminal 510 of the N-channel MOS transistor 520. Connected to the rain and to the source of N-channel MOS transistor 522.
- the first pulse signal input terminal 52 4 is connected to the gate of the N-channel type MOS transistor 52 2, and is connected to the gate of the N-channel type MOS transistor 52 26. Connected to the gate of channel type MOS transistor 532.
- the second pulse signal input terminal 528 is connected to the gate of the N-channel MOS transistor 520.
- the source of the N-channel type MOS transistor 520 is connected to the drain of the N-channel type MOS transistor 526 and to the second electrode of the capacitor 534.
- the first electrode of the capacitor 534 is connected to the drain of the N-channel type IOS transistor 522 and the P-channel type MO 9/19970
- An output terminal 536 for outputting the boosted 3 ⁇ 4 ⁇ is connected to the substrate grounded source of the ⁇ channel type MOS transistor 532.
- the GND terminal 538 is connected to the source of the ⁇ -channel MOS transistor 526. Therefore, the second booster circuit 432 is configured so that the boosted miE is output from the output terminal 536.
- the second pulse signal input from the second pulse signal input terminal 528 becomes “LOW”, and N
- the channel type MOS transistors 522 and 526 are turned on, and the N-channel type MOS transistor 520 and the P-channel type MOS transistor 532 are turned off.
- the voltage supplied to the input terminal 510 is supplied to the first electrode of the capacitor 534 via the N-channel MOS transistor 522, and the first electrode of the capacitor 534 rises to the voltage Va1.
- the voltage of GND is supplied to the second electrode of the capacitor 534 via the N-channel type OS transistor 526, and the second electrode of the capacitor 534 becomes "LOW".
- the first pulse signal input from the first pulse signal input terminal 524 is “LOW”
- the second pulse signal input from the second pulse signal input terminal 528 becomes “HI GH”
- the N-channel MOS transistors 522 and 526 are turned off, and the N-channel MOS transistor 520 and the P-channel MOS transistor 532 are turned on.
- the signal ⁇ ) ⁇ supplied to the input terminal 510 is supplied to the second electrode of the capacitor 534 via the N-channel MOS transistor 520, and the voltage of the second electrode of the capacitor 534 rises to the voltage Vb1. Therefore, the first electrode of the capacitor 534 rises to J £, which is the sum of the voltages Va 1 and Vb 1.
- This increased voltage is supplied to the output terminal 536 via the P-channel MOS transistor 532, and the voltage of the output terminal 536 increases to Vc1.
- the P-channel MOS transistor 532 is the first of the capacitors 534.
- the electrode IE is lower than the minimum ff value at which a current can flow between the source and the drain of the channel MOS transistor 532, there are two operation modes.
- the voltage of the first electrode of the G capacitor 534 is 0.6 V or more, and less than the minimum 3 ⁇ 4JE value that allows current to flow between the source and drain of the P-channel MOS transistor 532 In this case, “ ⁇ ( ⁇
- Iff of the first electrode of the capacitor 5334 is equal to or greater than the minimum value of 3 ⁇ 41 £ at which current can flow between the source and the drain of the P-channel MOS transistor 5332. Whatever the voltage of the first electrode of the capacitor 534 is, the voltage can be supplied to the output terminal 536.
- the “minimum threshold value at which a current can flow between the source and the drain of the P-channel MOS transistor 5332” is the gate of the P-channel MOS transistor 5332. This is a value obtained by subtracting the threshold value of the ⁇ channel type MOS transistor 532 from the 3 ⁇ 4
- the second booster circuit 432 can improve efficiency when the voltage of the input terminal is equal to or higher than the minimum voltage value of the P-channel MOS transistor 532.
- the feature is that the pressure can be boosted. / 19979
- the second booster circuit 432 is configured so that the turned-off MOS transistor is turned on at the same time as the turned-off MOS transistor is turned off, but the turned-on MOS transistor is turned off. Thereafter, by configuring the MOS transistor, which is off, to turn on, the through current can be eliminated, and the boosting efficiency can be improved.
- the input terminal 540 of the third booster circuit 434 connected to the output terminal 536 of the second booster circuit 432 is connected to the base of the P-channel MOS transistor 550. It is connected to a grounded source and to the drain of a P-channel MOS transistor 552.
- the first pulse signal input terminal 554 is connected to the gate of a P-channel MOS transistor 550, connected to the gate of a P-channel MOS transistor 562, and connected to an N-channel MOS transistor. Connected to the gate of S transistor 556.
- the second pulse signal input terminal 558 is connected to the gate of the P-channel MOS transistor 552.
- the drain of P-channel MOS transistor 550 is connected to the drain of N-channel MOS transistor 556 and to the second electrode of capacitor 564.
- the first electrode of the capacitor 564 is connected to the grounded source of the P-channel MOS transistor 552 and to the drain of the P-channel MOS transistor 562.
- the output terminal 566 for outputting the boosted voltage is connected to the substrate-grounded source of the P-channel MOS transistor 562.
- the GND terminal 568 is connected to the source of the N-channel MOS transistor 556. Therefore, the third booster circuit 434 may be configured so that the boosted voltage is output from the output terminal 566.
- the first pulse signal input from the first pulse signal input terminal 554 is “HIGH”
- the second pulse input from the second pulse signal input terminal 558 The signal becomes “: LOW”
- the N-channel MOS transistor 556 and the P-channel MOS transistor 552 turn on
- the P-channel MOS transistors 550 and 562 turn off.
- the voltage supplied to the input terminal 540 is supplied to the first electrode of the capacitor 564 via the P-channel MOS transistor 552, and the first electrode of the capacitor 564 rises to the voltage Va2.
- the voltage of GND is supplied to the second electrode of the capacitor 564 via the N-channel MOS transistor 556, and the second electrode of the capacitor 564 is set to “LOW”.
- the first pulse signal input from the first pulse signal input terminal 554 is “LOW”
- the second pulse signal input from the second pulse signal input terminal 558 becomes “HI GH”
- the N-channel MOS transistor 556 and the P-channel MOS transistor 552 turn off, and the P-channel MOS transistors 550 and 562 turn on.
- 3 ⁇ 4 ⁇ supplied to the input terminal 540 is supplied to the second electrode of the capacitor 564 via the P-channel MOS transistor 550, and the second electrode of the capacitor 564 rises to the voltage Vb2. Therefore, the first electrode of the capacitor 564 rises to a voltage obtained by adding the voltages Va 2 and Vb 2. This increased voltage is supplied to the output terminal 566 via the P-channel MOS transistor 562, and the ff of the output terminal 566 rises to Vc2.
- the voltage of the first electrode of the capacitor 564 is lower than the minimum ff at which a current can flow between the source and the drain of the P-channel MOS transistor, the voltage must be efficiently boosted. Can not.
- the voltage of the first electrode of the capacitor 564 is higher than the minimum at which a current can flow between the source and the drain of the P-channel MOS transistor, the voltage of the first electrode of the capacitor 564 is increased. Even with such a voltage, the voltage can be supplied to the output terminal 566.
- the third booster circuit 434 is configured so that the turned-off MOS transistor is turned on at the same time as the turned-on MOS transistor is turned off. By configuring so that the MOS transistor that is turned off and then the MOS transistor that is turned off is turned on, the through current can be eliminated and the boosting efficiency can be increased.
- the input terminal 570 of the fourth booster circuit 436 is connected to the output terminal 566 of the third booster circuit 434.
- An output terminal 596 for outputting the boosted voltage is connected to the source of the P-channel MOS transistor 562 which is grounded on the substrate. Therefore, the fourth booster circuit 436 is configured so that the boosted voltage is output from the output terminal 596.
- the other configuration of the fourth booster circuit 436 is the same as the configuration of the third booster circuit 434 described above. Therefore, a detailed description of the configuration of the other parts of the fourth booster circuit 436 is omitted.
- the operation of the fourth booster circuit 436 is the same as the operation of the third booster circuit 434 described above.
- the second pulse signal input from the second pulse signal input terminal 558 becomes “LOW”.
- the N-channel MOS transistor 556 and the P-channel MOS transistor 552 turn on, and the P-channel MOS transistors 550 and 562 turn off.
- the ff supplied to the input terminal 570 is supplied to the first electrode of the capacitor 564 via the P-channel MOS transistor 552, and the first electrode of the capacitor 564 rises to a3. 3 ⁇ 4 ⁇ of the GND is supplied to the second electrode of the capacitor 564 through the N-channel type MOS transistor 556, and the second electrode of the capacitor 564 is set to “LOW”.
- the SJi of the first electrode of the capacitor 564 is lower than the minimum ®Ji that allows current to flow between the source and the drain of the P-channel MOS transistor, efficient The boost cannot be performed.
- the value of the first electrode of the capacitor 564 is higher than the minimum ⁇ ⁇ ⁇ at which current can flow between the source and the drain of the P-channel MOS transistor, Even when the voltage of one electrode is a voltage like the above, the voltage can be supplied to the output terminal 596.
- the fourth booster circuit 436 is configured so that the MOS transistor that has been turned off is turned on at the same time as the MOS transistor that is turned on is turned off, but the MOS transistor that is turned on is turned off. Thereafter, by configuring the MOS transistor, which is off, to turn on, the through current can be eliminated, and the boosting efficiency can be improved.
- the booster circuit 410 shown in FIG. 44 includes the first booster circuit 430, the second booster circuit 432, the third booster circuit 334, and the fourth booster circuit 430. It consists of 36.
- the mil boosted by 30 is further boosted by the second booster circuit 432.
- the voltage boosted by 432 is further boosted by the third booster circuit 434.
- the ⁇ ⁇ that has been boosted by the third booster circuit 4334 is further boosted by the fourth booster circuit 436.
- the booster circuit 410 thus configured has a ⁇ ⁇ channel type ⁇ OS transistor and a P channel type MOS transistor respectively.
- the voltage of the electromotive force terminal 450 is boosted by the first booster circuit 430, Further, the boosted voltage can be further boosted by the second booster circuit 432, the third booster circuit 4334, and the fourth booster circuit 436.
- ⁇ ⁇ of the thermal power generation unit 180 is not output changes temporally from the power
- the oscillation circuit 4 1 2 When the minimum drive voltage exceeds the minimum drive voltage, the output ⁇ 1 ⁇ V ⁇ of the thermal power generation unit 180 is input to the oscillation circuit power supply terminal 480 of the oscillation circuit 4 12 through the short key diode 4 14.
- the oscillation circuit 4 1 2 starts operating, c oscillation begins
- the oscillation circuit 412 that has started oscillating outputs the pulse signal to the pulse signal output terminal 476, and the output pulse signal is input to the pulse signal input terminal of the booster circuit 410.
- the booster circuit 410 starts boosting the output voltage of the thermoelectric generator 180.
- the boosted voltage output terminal 4 52 of the booster circuit 410 and the oscillation circuit power supply terminal 480 of the oscillator circuit 42 are connected, the boosted voltage is applied to the power supply of the oscillator circuit 4 12. Become.
- the Schottky diode 4 14 is connected between the output terminal of the thermal power generation unit 180 and the oscillation circuit power supply terminal 480, once the oscillation circuit 4 12 operates and starts boosting, The oscillation circuit 412 uses []] boosted by the booster circuit 410 as the power supply. Therefore, once the output voltage Vp of the thermoelectric generation unit 180 exceeds the minimum drive voltage of the oscillation circuit 412, the output voltage Vp of the thermoelectric generation unit 180 changes over time. Even if the voltage becomes lower than the minimum drive voltage of the oscillation circuit 412, the booster circuit 410 can continue boosting.
- the voltage of power storage member 420 can be used as the oscillation start voltage of oscillation circuit 412.
- the ff of the power storage member 420 is supplied to the oscillation circuit power supply terminal 480 through the power supply operation control circuit 416 to generate the oscillation circuit 412. O 99/19979
- the oscillating circuit 412 uses @ ⁇ boosted by the boosting circuit 410 as a source, as in the above-described operation.
- the power supply operation control circuit 416 inputs the boosted ⁇ ffV p ⁇ , and distributes power to the clock drive circuit 418 and the power storage member 420 according to the value of the boosted voltage V ⁇ . If the boosted 3 ⁇ 4EV pp power S is equal to the voltage required to drive the clock drive circuit 4 18, the power supply operation control circuit 4 16 clocks the voltage boosted by the boost circuit 4 10 Supply to drive circuit 4 18.
- the power supply operation control circuit 4 16 increases the voltage by the boost circuit 4 10 ff Is supplied to both the clock drive circuit 4 18 and the electricity storage member 4 20.
- the power supply operation control circuit 4 16 supplies the voltage from the power storage member 4 20. Is supplied to the clock drive circuit 4 18.
- thermoelectric generation unit 180 By configuring the power supply operation control circuit 4 16 to operate in this way, even when the boosted V pp becomes a voltage lower than that capable of driving the clock drive circuit 4 18, The clock drive circuit 418 can be continuously driven by the voltage from the power storage member 420. Therefore, with this configuration, the output 3 ⁇ 4! £ of the thermoelectric generation unit 180 can be used efficiently.
- the output of the thermoelectric generation unit 180 is input to the booster circuit 410 or the power supply operation control circuit 416. You. The voltage boosted by the booster circuit 410 is supplied to the clock drive circuit 418.
- the clock driving circuit 418 includes a clock driving oscillation circuit, a clock driving frequency dividing circuit, and a motor driving circuit.
- the crystal oscillator 60 2 constitutes the source oscillation, for example, 3 2, Vibrates at 768 Hz and outputs a reference signal to the clock drive oscillation circuit.
- the clock driving frequency dividing circuit performs a predetermined frequency dividing operation by inputting the output signal of the oscillation circuit, and outputs, for example, a signal of 1 Hz.
- the motor drive circuit receives the output signal of the clock drive frequency dividing circuit and outputs a drive signal for driving the step motor.
- the clock drive circuit 418 operates with the voltage boosted by the booster circuit 410 or ff of the secondary battery 600.
- Power supply operation control circuit 4 16 Power supply of ff boosted by booster circuit 4 10 to clock drive circuit 4 18 and supply of ff of secondary battery 6 00 to clock drive circuit 4 18 Control.
- Coil block 6 10 force Inputs a drive signal for driving the step motor output from the motor drive circuit, and magnetizes a plurality of poles of the stator 6 12.
- the rotor 6 14 is rotated by the magnetic force of the stator 6 12.
- the rotor 614 rotates 180 degrees every second based on the aforementioned 1 Hertz signal.
- the fifth wheel 6 16 rotates with the rotation of the rotor 6 14.
- the fourth wheel 6 18 rotates 6 degrees per second due to the rotation of the fifth wheel 6 16.
- the third wheel & pinion 620 is rotated by the rotation of the fourth wheel & pinion 6 18.
- the second wheel & pinion 62 2 rotates by the rotation of the third wheel & pinion 62 0.
- the minute wheel 6 2 4 is rotated by the rotation of the second wheel 6 2 2.
- the hour wheel 6 2 6 is rotated by the rotation of the minute wheel 6 2 4.
- the second attached to the 4th wheel 6 1 8 ⁇ "6 4 0 indicates" seconds ".
- the minute hand is indicated by the minute hand 6 42 attached to the second wheel 6 2 2.
- "Hour” is indicated by the hour hand 6 4 6 attached to the hour wheel 6 2 6.
- the heat of the arm 650 is transmitted to the back cover 226.
- the heat of the back cover 226 is transmitted to the first heat transfer plate 120 of the thermoelectric generator unit 180 via the heat conduction sensor 320. That is, the first heat transfer plate 120 constitutes a heat absorption plate.
- the thermoelectric element 140 of the thermoelectric generation unit 180 generates an electromotive force by the Seebeck effect. Therefore, the second heat transfer plate 170 of the thermoelectric generator unit 180 forms a heat sink. No. 2
- the heat radiated by the heat transfer plate 170 is transmitted to the upper body 220 via the heat conductor 244 and released to the outside air 652.
- the heat conductor 244 is in contact with the convex portion 220 a of the upper body 220.
- the flat heat conductor 244 heat is extremely efficiently transferred from the second heat transfer plate 170 to the convex portion 220a of the upper body 220.
- the thermal resistance in the heat radiation path is reduced by such a configuration that such a flat thermal conductor 244 is brought into contact with the convex portion 220 a of the upper body 220. Therefore, with this configuration, the power generation efficiency of the thermoelectric generator unit can be improved.
- thermoelectric element 140 is configured such that, for example, 10 pairs of modules including 50 pairs of PN junctions are connected in series.
- the threshold value ff of the transistors included in the oscillation circuit 412 and the booster circuit 410 is set to be 0.3.
- the power generation amount of one thermoelectric material element constituting the thermoelectric element 140 is, for example, about 200 VZ. C. Therefore, assuming that the operating voltage of the timepiece is 1.5 V, in order to directly drive the timepiece by the thermoelectric generator unit, the distance between the first heat transfer plate 120 and the second heat transfer plate 170 is required. When the temperature difference is 2 C C, a thermoelectric element 1 4 0 with 1 8 1 2 5 pairs of PN junctions is required c
- the timepiece including the power generation unit with the thermoelectric generation unit of the present invention is configured to include the booster circuit 410, the oscillation circuit 412, and the power supply operation control circuit 416 as described above. If the generated voltage immediately after attaching the watch to the wrist exceeds the minimum drive voltage of the oscillation circuit 412, then the generated voltage in the steady state after that will be lower than the minimum drive voltage of the oscillation circuit 412. Even if the voltage becomes low, boosting by the boosting circuit 410 is possible.
- thermoelectric generation unit For example, a watch having a power generation unit with the thermoelectric generation unit according to the present invention is actually used.
- the generated voltage was 2 V immediately after the watch was put on the wrist, and the generated voltage in the steady state thereafter was about 0.5 V.
- the threshold voltage of the transistor included in the oscillation circuit 412 when the threshold voltage of the transistor included in the oscillation circuit 412 is about 0.3 V, the lowest drive of the oscillation circuit 412 is performed. The voltage was about 0.7 V.
- the power supply operation control circuit 416 inputs the boosted 3 ⁇ 4ff V pp and, based on the value of the boosted pp, The electric power is distributed to the clock drive circuit 418 and the power storage member 420.
- the source operation control circuit 4 16 The voltage raised by 410 is supplied to the clock drive circuit 418.
- the power supply operation control circuit 4 16 If the voltage required to drive the clock drive circuit 4 18 is greater than 1.5 V and ⁇ EE, the power supply operation control circuit 4 16 The pressure J boosted by 10 is supplied to both the clock drive circuit 4 18 and the electricity storage member 4 20.
- the power supply and operation control circuit 4 16 The voltage is supplied from the secondary battery 600 to the clock drive circuit 418.
- the power supply operation control circuit 4 16 By configuring the power supply operation control circuit 4 16 to operate in this way, the boosted voltage V pp can drive the clock drive circuit 4 18 ⁇ ⁇ ⁇ ⁇ Also, the clock drive circuit 418 can be continuously driven by the voltage from the secondary battery 600. Therefore, with this configuration, the clock can continue to be driven even if the boosted voltage is smaller than the voltage required to drive the clock drive circuit 418, ie, 1.2 V.
- the portable electronic device provided with the portable electronic device 700 includes a liquid crystal panel 7 10, a spinning force 7 12, and a lamp 7 18.
- the drive control circuit 720 operates with the voltage supplied from the power supply operation circuit 416.
- the configuration and operation of the thermoelectric generation unit 180, the booster circuit 410, the oscillation circuit 412, the power supply operation circuit 416, the secondary battery 600, and the crystal resonator are described above. This is the same as the embodiment of the timepiece including the power generation unit with the thermoelectric generation unit according to the present invention. Therefore, a detailed description of them will be omitted.
- the drive control circuit 720 is configured to measure time-related information, alarm time-related information, and elapsed time-related information based on the vibration of the crystal oscillator 62.
- the display control circuit 730 outputs a signal for operating the liquid crystal panel 7 10 to the liquid crystal panel 7 10 based on the signal output from the drive control circuit 7 20. Therefore, the liquid crystal panel 7 10 displays the time or the information on the time based on the signal output from the display control circuit 7 30.
- the speed control circuit 732 outputs a signal for operating the speaker 7 12 to the speed 7 12 based on the signal output from the drive control circuit 7 20.
- the speaker 712 emits an alarm sound when it is time to generate an alarm sound based on the signal output from the speaker control circuit 732.
- the sound emitted from the speaker 71 2 goes out of the portable electronic device 700 from the sound opening 712 a.
- buttons for operating the portable electronic device 700 are provided, that is, a first button 7400, a second button 7424, a third button 7444, and a fourth button 7446.
- Figure 51 shows only the first button.
- the first switch terminal 750 is provided so as to perform the operation of the switch when the first button 7400 is pressed.
- the second switch terminal 752 is provided so as to operate the switch when the second button 742 is pressed.
- the third switch terminal 754 is provided so as to perform the operation of the switch when the third button 744 is pressed.
- the fourth switch terminal 756 is provided so as to operate the switch when the fourth button 746 is pressed.
- the operation of the switch is Each switch terminal is provided by supplying an input signal to a corresponding switch input terminal of the drive control circuit 720.
- the lamp control circuit 738 outputs a signal for turning on the lamp 7 18 to the lamp 7 18 based on the signal output from the drive control circuit 7 20.
- the lamp control circuit 738 is configured to be activated by pressing the fourth button 746 to turn on the lamp 718.
- the portable electronic device 700 may have only the liquid crystal panel 7 10 or the liquid crystal panel 7 10 and the speaker 7 1 2 , A liquid crystal panel 710 and a lamp 718, or a liquid crystal panel 710, a speaker 712 and a lamp 718. Good
- the portable electronic device 700 may further include a clock driving circuit as shown in FIG. 42 and a pointer operated by the clock driving circuit. With such a configuration, it is possible to realize a composite display-type portable electronic device having both an analog display and a digital display.
- the time information is displayed on the liquid crystal panel 7100, so that a digital wristwatch can be realized.
- the speaker 7 12 can be configured to emit an alarm sound at a preset time, thereby realizing an alarm or a clock with an alarm.
- the speaker 7 12 when the preset time elapses, the speaker 7 12 emits an alarm sound, so that a timer or a clock with a timer can be realized.
- the present invention relates to a power generation block with a thermoelectric generation unit, With the configuration described above, it is possible to realize a power generation block with a thermoelectric generation unit that is small and thin, has good power generation efficiency, and has a low power generation efficiency.
- thermoelectric generation unit of the present invention is simple to manufacture.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/529,586 US6316714B1 (en) | 1997-10-14 | 1998-10-13 | Power generating block provided with thermoelectric generation unit |
EP98947825A EP1054505A4 (en) | 1997-10-14 | 1998-10-13 | POWER GENERATOR BLOCK WITH THERMOELECTRIC GENERATOR UNIT |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9/280925 | 1997-10-14 | ||
JP28092597A JP3611954B2 (ja) | 1997-10-14 | 1997-10-14 | 電子機器 |
JP35807497 | 1997-12-25 | ||
JP9/358074 | 1997-12-25 | ||
JP10042543A JP2946205B1 (ja) | 1997-12-25 | 1998-02-24 | 熱発電ユニット並びに該ユニットを用いた携帯用電子機器 |
JP10/42543 | 1998-02-24 | ||
JP10/249329 | 1998-09-03 | ||
JP10249329A JP3041357B2 (ja) | 1998-09-03 | 1998-09-03 | 熱発電ユニット付き発電ブロック |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999019979A1 true WO1999019979A1 (fr) | 1999-04-22 |
Family
ID=27461217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/004590 WO1999019979A1 (fr) | 1997-10-14 | 1998-10-13 | Bloc generateur de puissance dote d'une unite de generateur thermoelectrique |
Country Status (3)
Country | Link |
---|---|
US (1) | US6316714B1 (ja) |
EP (1) | EP1054505A4 (ja) |
WO (1) | WO1999019979A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4694681B2 (ja) * | 1999-11-26 | 2011-06-08 | セイコーインスツル株式会社 | 超音波モータ及び超音波モータ付き電子機器 |
KR100382386B1 (ko) * | 2000-01-07 | 2003-05-09 | 시티즌 도케이 가부시키가이샤 | 열전 시스템 |
DE10154923A1 (de) * | 2001-11-08 | 2003-06-05 | Klaus Palme | Verfahren zur Gewinnung elektrischer Energie aus den Temperaturschwankungen der Luft |
DE50308645D1 (de) * | 2003-05-20 | 2008-01-03 | Grundfos As | Elektromotor |
US8269393B2 (en) | 2009-06-18 | 2012-09-18 | Hamilton Sundstrand Corporation | Crowned end winding support for main wound field of a generator |
US10193377B2 (en) * | 2013-10-30 | 2019-01-29 | Samsung Electronics Co., Ltd. | Semiconductor energy harvest and storage system for charging an energy storage device and powering a controller and multi-sensor memory module |
US20160049569A1 (en) * | 2014-08-13 | 2016-02-18 | Barry E. Negrin | Thermoelectric power source for personal electronics and wearable electronic devices having same |
EP3579060B1 (fr) * | 2018-06-05 | 2023-10-18 | The Swatch Group Research and Development Ltd | Montre thermoélectrique |
CN109302100A (zh) * | 2018-11-22 | 2019-02-01 | 欧家成 | 一种温差发电装置及蓄电系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61254082A (ja) * | 1985-04-30 | 1986-11-11 | Suzuki Motor Co Ltd | 排気熱発電装置 |
JPH02119589A (ja) * | 1988-10-26 | 1990-05-07 | Toto Ltd | 電源装置 |
JPH0622572A (ja) * | 1992-06-30 | 1994-01-28 | Aqueous Res:Kk | 熱電発電充電装置 |
JPH06153549A (ja) * | 1992-11-05 | 1994-05-31 | Toto Ltd | 熱発電電圧変換回路 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH604249B5 (ja) * | 1975-05-07 | 1978-08-31 | Centre Electron Horloger | |
JPH0837324A (ja) * | 1994-07-21 | 1996-02-06 | Seiko Instr Inc | 熱電素子及び熱電素子を用いた電子機器 |
US6232543B1 (en) * | 1998-07-02 | 2001-05-15 | Citizen Watch Co., Ltd. | Thermoelectric system |
-
1998
- 1998-10-13 WO PCT/JP1998/004590 patent/WO1999019979A1/ja not_active Application Discontinuation
- 1998-10-13 EP EP98947825A patent/EP1054505A4/en not_active Withdrawn
- 1998-10-13 US US09/529,586 patent/US6316714B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61254082A (ja) * | 1985-04-30 | 1986-11-11 | Suzuki Motor Co Ltd | 排気熱発電装置 |
JPH02119589A (ja) * | 1988-10-26 | 1990-05-07 | Toto Ltd | 電源装置 |
JPH0622572A (ja) * | 1992-06-30 | 1994-01-28 | Aqueous Res:Kk | 熱電発電充電装置 |
JPH06153549A (ja) * | 1992-11-05 | 1994-05-31 | Toto Ltd | 熱発電電圧変換回路 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1054505A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1054505A4 (en) | 2004-07-28 |
EP1054505A1 (en) | 2000-11-22 |
US6316714B1 (en) | 2001-11-13 |
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