JPH02119589A - Power unit - Google Patents
Power unitInfo
- Publication number
- JPH02119589A JPH02119589A JP27040088A JP27040088A JPH02119589A JP H02119589 A JPH02119589 A JP H02119589A JP 27040088 A JP27040088 A JP 27040088A JP 27040088 A JP27040088 A JP 27040088A JP H02119589 A JPH02119589 A JP H02119589A
- Authority
- JP
- Japan
- Prior art keywords
- power
- hot water
- water
- power supply
- supply device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910005580 NiCd Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
Landscapes
- Control Of Temperature (AREA)
Abstract
Description
【発明の詳細な説明】
匡】」１１月１土団
本発明は、湯と水の温度差を利用した発電手段を内蔵し
た電源装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a power supply device incorporating power generation means that utilizes the temperature difference between hot and cold water.
従来の技術
湯と水の温度差を利用して発電する手段を内蔵した湯水
混合装置が、例えば特開昭６２−２３７２２６号公報に
開示されている。BACKGROUND OF THE INVENTION A hot water mixing device incorporating a means for generating electricity by utilizing the temperature difference between hot water and water is disclosed in, for example, Japanese Patent Application Laid-Open No. 62-237226.
開示の装置では、給湯時に装置内に流入する湯と水の温
度差を利用して、熱発電素子が電力を出力する。出力電
力は、装置を構成する制御器、混合弁モータ、流量制御
弁モータ、設定器等の各電気要素に供給され、更に余剰
の電力は蓄電池に貯えられる。不使用時で給湯していな
い時や、始動時で湯と水の温度差が小さく発電量が少な
い時には、蓄電池に貯えられた電力を必要な電気要素に
供給することができる。In the disclosed device, the thermoelectric power generating element outputs electric power by utilizing the temperature difference between hot water flowing into the device and water during hot water supply. The output power is supplied to each electrical element constituting the device, such as a controller, a mixing valve motor, a flow control valve motor, a setting device, etc., and excess power is stored in a storage battery. When the system is not in use and hot water is not being supplied, or when the temperature difference between hot and cold water is small and the amount of power generated is low at startup, the power stored in the storage battery can be supplied to the necessary electrical elements.
発明が解決しようとする課題
上記の湯水混合装置に使用する熱発電素子の出力電力の
電圧は、流入する湯と水の温度差にほぼ比例する。しか
しながら、一般に４０°Ｃ乃至６０℃の温度差に対して
、上記熱発電素子の出力電力の電圧がかなり小さいため
、各電気要素の定格電圧を低く設計する必要がある。従
って、各電気要素の所要の性能が確保できないという問
題がある。Problems to be Solved by the Invention The voltage of the output power of the thermoelectric generating element used in the hot water mixing device described above is approximately proportional to the temperature difference between the inflowing hot water and the water. However, since the voltage of the output power of the thermoelectric generating element is generally quite small for a temperature difference of 40° C. to 60° C., it is necessary to design the rated voltage of each electric element to be low. Therefore, there is a problem that required performance of each electric element cannot be ensured.
また、上記熱発電素子の出力電力の電圧が蓄電池の充電
に必要な電圧よりかなり小さいため、蓄電池を充電する
ことができないという問題がある。Furthermore, since the voltage of the output power of the thermoelectric power generation element is considerably lower than the voltage required to charge the storage battery, there is a problem that the storage battery cannot be charged.
そこで、本発明は、内蔵した発電手段の出力電力の電圧
を昇圧する手段を新たに設けて、各電気要素及び蓄電手
段に適当な電圧で給電することのできる、湯水混合装置
を提供することを目的とする。Therefore, the present invention aims to provide a hot water mixing device that is newly provided with a means for boosting the voltage of the output power of the built-in power generation means, and is capable of supplying power to each electric element and power storage means at an appropriate voltage. purpose.
課題を解決するための 段
本発明によれば、湯と水の温度差によって発電する熱電
変換素子と、該熱電変換素子が発電した電力の電圧を増
幅するための昇圧手段と、該昇圧手段の出力に接続され
た蓄電手段とを備えていることを特徴とする電源装置を
提供する。According to the present invention, there is provided a thermoelectric conversion element that generates electricity based on the temperature difference between hot water and water, a booster for amplifying the voltage of the electric power generated by the thermoelectric converter, and a booster for the booster. A power supply device is provided, characterized in that it is equipped with a power storage means connected to an output.
また、本発明の好ましい実施態様によれば、湯と水の混
合比率を変化させるための混合手段と、該混合手段を電
気的に駆動するための駆動手段と、混合湯の温度を検出
するためのセンサ手段と、該センサ手段の検出した混合
湯温と所望の混合湯温か一致するように上記駆動手段を
制御する制御手段とを備えた湯水混合装置の上記制御手
段及び駆動手段に、上記昇圧した電力を供給し、余剰の
電力を上記蓄電手段に貯える。Further, according to a preferred embodiment of the present invention, there is provided a mixing means for changing the mixing ratio of hot water and water, a driving means for electrically driving the mixing means, and a means for detecting the temperature of the mixed hot water. and a control means for controlling the drive means so that the mixed water temperature detected by the sensor means coincides with a desired mixed water temperature. The surplus power is stored in the power storage means.
さらに、本発明の好ましい態様によれば、上記昇圧手段
は、ＤＣ−ＤＣコンバータである。Furthermore, according to a preferred aspect of the present invention, the boosting means is a DC-DC converter.
また、本発明の好ましい態様によれば、上記蓄電手段の
過充電を回避するための充電制御手段を備え、上記蓄電
手段は、ニッケルカドミウム二次電池である。Further, according to a preferred aspect of the present invention, the power storage device includes charging control means for avoiding overcharging of the power storage device, and the power storage device is a nickel cadmium secondary battery.
実施例 以下、添付図面を参照して本発明の詳細な説明する。Example Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
典型的な熱電変換素子である、小松エレクトロニクス（
掬の「サーモモジュール」について、その基礎特性を実
験した。第４図及び第５図に、それぞれ温度差６０℃及
び４０℃に対する上記熱電変換素子の基礎特性を示す。A typical thermoelectric conversion element, Komatsu Electronics (
We experimented with the basic characteristics of Kikki's ``thermo module.'' FIGS. 4 and 5 show the basic characteristics of the thermoelectric conversion element for temperature differences of 60° C. and 40° C., respectively.
図示のように、実験に供した上記熱電変換素子は、温度
差６０℃では約１８０ｍＷ、温度差４０°Ｃでは約８０
ｍＷの電力を発電し、無負荷状態では、それぞれ約２．
４６ Ｖ及び約１．５０ Ｖの電圧を記録した。このよ
うに、無負荷状態の電圧は、温度差にほぼ比例するが、
電流を流して負荷をかけた場合には、電圧が降下した。As shown in the figure, the thermoelectric conversion element used in the experiment was approximately 180 mW at a temperature difference of 60°C, and approximately 80 mW at a temperature difference of 40°C.
It generates electric power of about 2.0 mW, and in no-load condition, it generates about 2.0 mW of power.
A voltage of 46 V and approximately 1.50 V was recorded. In this way, the voltage under no load is approximately proportional to the temperature difference, but
When a load was applied by passing current, the voltage dropped.
サーモモジュールの内部抵抗として評価すると、約７乃
至９Ωであった。When the internal resistance of the thermo module was evaluated, it was approximately 7 to 9 Ω.
このように、負荷電流にもよるが負荷状態で使用する場
合には、 １．０乃至１．５Ｖ程度の電圧しか得られな
いことがわかった。この程度の電圧では、ＮｉＣｄ二次
電池等の蓄電池を充電することも、また湯水混合装置を
構成する各電気要素を有効に作動させることもできない
。In this way, it has been found that when used in a loaded state, only a voltage of about 1.0 to 1.5V can be obtained, although it depends on the load current. With this level of voltage, it is not possible to charge a storage battery such as a NiCd secondary battery or to effectively operate each electric element that constitutes the hot water mixing device.
第２図に、本発明による電源装置の一実施例の構成を示
す。図示の発電器３０は、給湯時に装置内に流入する湯
と水の温度差を利用して発電する熱発電素子３１を備え
ている。熱発電素子３１の出力は、発電した電力の電圧
を増幅するための昇圧手段、例えばＤＣ−ＤＣコンバー
タ３２に接続されている。ＤＣ−ＤＣコンバータ３２の
出力は制御器１５に接続されており、昇圧された電力は
制御器１５に供給される。ＤＣ−ＤＣコンバータ３２の
出力はまた、例えばニッケルカドミウム二次電池３３の
ような蓄電手段に接続され、余剰の電力が上記蓄電手段
に貯えられる。さらに、余剰の電力を浴室内のラジオ等
に供給することもできる。FIG. 2 shows the configuration of an embodiment of the power supply device according to the present invention. The illustrated power generator 30 includes a thermoelectric generating element 31 that generates electricity by utilizing the temperature difference between hot water and water flowing into the device during hot water supply. The output of the thermoelectric power generating element 31 is connected to a boosting means, for example, a DC-DC converter 32, for amplifying the voltage of the generated power. The output of the DC-DC converter 32 is connected to the controller 15, and the boosted power is supplied to the controller 15. The output of the DC-DC converter 32 is also connected to a power storage means such as a nickel cadmium secondary battery 33, and surplus power is stored in the power storage means. Furthermore, the surplus power can be supplied to a radio in the bathroom or the like.
本発明の好ましい態様によれば、上記昇圧手段と蓄電手
段との間に、蓄電手段の過充電を回避するための充電制
御手段として充電制御器３４を介在させるのがよい。According to a preferred embodiment of the present invention, a charge controller 34 is preferably interposed between the voltage boosting means and the power storage means as a charge control means for avoiding overcharging of the power storage means.
第２図は、本発明による電源装置に使用する熱発電素子
３１の一実施例の構成を示す図である。FIG. 2 is a diagram showing the configuration of one embodiment of the thermoelectric generating element 31 used in the power supply device according to the present invention.
熱発電素子３１は、Ｎ型半導体３５、Ｐ型半導体３６に
より構成され、相互に電極３７で結合されている。また
、給湯管２２、給水管２３内には、熱発電素子３１への
電熱効果を向上させるためのフィン３８が設けられてい
る。The thermoelectric generating element 31 is composed of an N-type semiconductor 35 and a P-type semiconductor 36, which are coupled to each other by an electrode 37. Moreover, fins 38 are provided in the hot water supply pipe 22 and the water supply pipe 23 to improve the electric heating effect on the thermoelectric generating element 31.
第３図は、本発明による電源装置から制御手段及び駆動
手段に電力の供給を受ける湯水混合装置の一実施例の構
成を説明する概略図である。図示の湯水混合装置は、混
合手段として温度調節弁１２を備えている。温度調節弁
１２は、混合水管１３を介して蛇口８に連結されている
。温度調節弁１２は、供給管（図示せず）が供給する腸
の流量を調節する給湯バルブ及び給水管（図示せず）が
供給する水の流量を調節する給水バルブを内蔵し、給湯
管が供給する湯と給水管が供給する水とを適宜混合して
混合水管へ導く。FIG. 3 is a schematic diagram illustrating the configuration of an embodiment of a hot water mixing device in which power is supplied from a power supply device to a control means and a driving means according to the present invention. The illustrated hot water mixing device includes a temperature control valve 12 as a mixing means. The temperature control valve 12 is connected to the faucet 8 via a mixing water pipe 13. The temperature control valve 12 has a built-in hot water valve that adjusts the flow rate of the intestines supplied by the supply pipe (not shown) and a water supply valve that adjusts the flow rate of the water supplied by the water supply pipe (not shown). The hot water to be supplied and the water supplied by the water supply pipe are appropriately mixed and guided to the mixing water pipe.
図示の装置は更に、温度調節弁１２の給湯バルブと給水
バルブとを連動させて駆動する駆動手段として駆動器１
４を備えている。駆動器ｌ・１は、モータ１６と該モー
タ１６の出力軸の回転を減速して給湯バルブ及び給水バ
ルブの各弁体に伝達する減速機構１７とを備えている。The illustrated device further includes a driver 1 as a driving means for interlocking and driving the hot water supply valve and the water supply valve of the temperature control valve 12.
It is equipped with 4. The driver l.1 includes a motor 16 and a deceleration mechanism 17 that decelerates the rotation of the output shaft of the motor 16 and transmits the deceleration to each valve element of the hot water supply valve and the water supply valve.
図示の装置はまた、駆動器１４を制御するための制御手
段である制御器１５を備えている。制御器１５は湯水混
合装置の発電手段である発電器３０に接続され、この発
電器３０は制御器１５を介してモータ１６に電力を供給
する。制御器１５はまた、湯温設定スイッチ等の操作子
を備えた操作器２１に接続されている。The illustrated device also comprises a controller 15, which is a control means for controlling the driver 14. The controller 15 is connected to a generator 30 which is a power generation means of the hot water mixing device, and the generator 30 supplies electric power to the motor 16 via the controller 15. The controller 15 is also connected to an operator 21 that includes an operator such as a hot water temperature setting switch.
温度調節弁１２の上端部には、混合水管１３内の流量を
検出する流量センサ１８と、混合水管１３内の湯温を検
出する温度センサ１９とが設けられている。駆動器１４
の下端部には、温度調節弁１２の各バルブのバルブ開度
を検出するバルブ開度センサ２０が設けられている。各
センサ１８．１９及び２０は、検出信号を制御器１５に
出力する。制御器１５は、操作器２１が出力する操作信
号及び上記各センサが出力する検出信号に応答し、モー
タ１６への電力供給を制御する。この制御により、操作
器２１で設定された所望の湯温及び流量と上記センサ１
８及び１９で検出した実際の湯温及び流量とが一致する
ように、温度調節弁１２の給湯バルブと給水バルブとを
連動させて適宜調節する。A flow rate sensor 18 for detecting the flow rate in the mixing water pipe 13 and a temperature sensor 19 for detecting the temperature of the hot water in the mixing water pipe 13 are provided at the upper end of the temperature control valve 12 . Driver 14
A valve opening sensor 20 for detecting the opening of each valve of the temperature control valve 12 is provided at the lower end of the temperature control valve 12 . Each sensor 18 , 19 and 20 outputs a detection signal to the controller 15 . The controller 15 controls the power supply to the motor 16 in response to the operation signal output from the operation device 21 and the detection signal output from each of the above-mentioned sensors. Through this control, the desired hot water temperature and flow rate set by the operator 21 and the sensor 1
The hot water supply valve and water supply valve of the temperature control valve 12 are linked and adjusted appropriately so that the actual hot water temperature and flow rate detected in steps 8 and 19 match.
発明の効果
以上のように、本発明の電源装置では、熱電変換素子が
発電した電力の電圧を増幅するための昇圧手段を備え、
昇圧した電力を上記制御手段及び駆動手段に供給し、余
剰の電力を上記蓄電手段に貯えることができる。従って
、各電気要素の定格電圧を大きく設計することができ、
その結果所望の性能を確保することができる。また、蓄
電池の充電用電力の電圧が太き（なるので、蓄電池を迅
速且つ充分に充電することができる。Effects of the Invention As described above, the power supply device of the present invention includes a boosting means for amplifying the voltage of the power generated by the thermoelectric conversion element,
The boosted power can be supplied to the control means and the drive means, and surplus power can be stored in the power storage means. Therefore, the rated voltage of each electric element can be designed to be large,
As a result, desired performance can be ensured. Further, since the voltage of the power for charging the storage battery is large, the storage battery can be charged quickly and sufficiently.
請求項（２）に記載のように、電気的駆動手段を用いた
湯水混合装置の駆動手段及び制御手段への電力供給手段
として、本発明の電源装置を使用することができる。同
様に、湯水混合式の局部洗浄装置の混合弁及び開閉弁の
駆動手段や制御手段への電力供給手段として、本発明の
電源装置を使用することができる。このように、湯水を
使用する機器類の電力供給手段として、本発明の電源装
置を広く使用することができる。As described in claim (2), the power supply device of the present invention can be used as a means for supplying power to the drive means and control means of a hot water mixing device using an electric drive means. Similarly, the power supply device of the present invention can be used as a means for supplying power to a driving means and a control means for a mixing valve and an on-off valve of a private parts cleaning device that mixes hot water and water. In this way, the power supply device of the present invention can be widely used as a power supply means for equipment that uses hot water.
また、本発明の好ましい実施態様によれば、充電制弾手
段を備えているので、蓄電池の過充電を回避することが
でき、蓄電池の寿命が延びる。Further, according to a preferred embodiment of the present invention, since the charging bullet suppressing means is provided, overcharging of the storage battery can be avoided, and the life of the storage battery is extended.
第１図は、本発明による電源装置の一実施例の構成を示
す概略図であり、
第２図は、本発明による電源装置に使用する熱発電素子
の構成を示す概略図であり、
第３図は、本発明による電源装置を組み込んだ湯水混合
装置の一実施例の構成を示す概略図であり、
第４図及び第５図は、それぞれ温度差６０°Ｃ及び４０
℃における、本発明に使用するサーモモジュールの基礎
特性を示す図である。
１４・・駆動器、
１５・・制御器、
２２・・給湯管、
２３・・給水管、
３０・・発電器、
３１・・熱発電素子３１．
３２・・ＤＣ−ＤＣコンバータ、
３３・・ニッケルカドミウム二次電池、３４・・充電制
御器、
３８・−フィン
第１図
第５図
第２図FIG. 1 is a schematic diagram showing the configuration of an embodiment of the power supply device according to the present invention, FIG. 2 is a schematic diagram showing the configuration of a thermoelectric generating element used in the power supply device according to the present invention, and FIG. The figure is a schematic diagram showing the configuration of an embodiment of a hot water mixing device incorporating the power supply device according to the present invention.
It is a figure showing the basic characteristics of the thermo module used for the present invention at °C. 14...Driver, 15...Controller, 22...Hot water pipe, 23...Water supply pipe, 30...Power generator, 31...Thermoelectric power generation element 31. 32...DC-DC converter, 33...Nickel cadmium secondary battery, 34...Charging controller, 38...Fin Figure 1 Figure 5 Figure 2
Claims (5)
、該熱電変換素子が発電した電力の電圧を増幅するため
の昇圧手段と、該昇圧手段の出力に接続された蓄電手段
とを備えていることを特徴とする電源装置。(1) Comprising a thermoelectric conversion element that generates electricity based on the temperature difference between hot water and water, a booster for amplifying the voltage of the electric power generated by the thermoelectric converter, and a power storage unit connected to the output of the booster. A power supply device characterized by:
、該混合手段を電気的に駆動するための駆動手段と、混
合湯の温度を検出するためのセンサ手段と、該センサ手
段の検出した混合湯温と所望の混合湯温が一致するよう
に上記駆動手段を制御する制御手段とを備えた湯水混合
装置の上記制御手段及び駆動手段に、上記昇圧した電力
を供給し、余剰の電力を上記蓄電手段に貯えることを特
徴とする請求項（１）に記載の電源装置。(2) A mixing means for changing the mixing ratio of hot water and water, a driving means for electrically driving the mixing means, a sensor means for detecting the temperature of the mixed hot water, and a sensor means for detecting the temperature of the mixed hot water; The boosted electric power is supplied to the control means and the drive means of the hot water mixing device, which includes a control means for controlling the drive means so that the detected mixed water temperature matches the desired mixed water temperature, and the surplus power is The power supply device according to claim 1, wherein electric power is stored in the power storage means.
とを特徴とする請求項（１）に記載の電源装置。(3) The power supply device according to claim 1, wherein the boosting means is a DC/DC converter.
手段を備えていることを特徴とする請求項（１）乃至（
３）のうちいずれか１項に記載の電源装置。(4) Claims (1) to (1) further comprising charging control means for avoiding overcharging of the electricity storage means.
The power supply device according to any one of 3).
あることを特徴とする請求項（１）乃至（４）のうちい
ずれか１項に記載の電源装置。(5) The power supply device according to any one of claims (1) to (4), wherein the power storage means is a nickel cadmium secondary battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27040088A JPH02119589A (en) | 1988-10-26 | 1988-10-26 | Power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27040088A JPH02119589A (en) | 1988-10-26 | 1988-10-26 | Power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02119589A true JPH02119589A (en) | 1990-05-07 |
Family
ID=17485732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27040088A Pending JPH02119589A (en) | 1988-10-26 | 1988-10-26 | Power unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02119589A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999019979A1 (en) * | 1997-10-14 | 1999-04-22 | Seiko Instruments Inc. | Power generating block provided with thermoelectric generation unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61163670A (en) * | 1985-01-16 | 1986-07-24 | Mitsui Eng & Shipbuild Co Ltd | Wind-force and solar ray combined electric power plant |
| JPS61254082A (en) * | 1985-04-30 | 1986-11-11 | Suzuki Motor Co Ltd | Power generator utilizing exhaust heat |
| JPS62237226A (en) * | 1986-04-04 | 1987-10-17 | Matsushita Electric Ind Co Ltd | Hot water mixing device |
-
1988
- 1988-10-26 JP JP27040088A patent/JPH02119589A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61163670A (en) * | 1985-01-16 | 1986-07-24 | Mitsui Eng & Shipbuild Co Ltd | Wind-force and solar ray combined electric power plant |
| JPS61254082A (en) * | 1985-04-30 | 1986-11-11 | Suzuki Motor Co Ltd | Power generator utilizing exhaust heat |
| JPS62237226A (en) * | 1986-04-04 | 1987-10-17 | Matsushita Electric Ind Co Ltd | Hot water mixing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999019979A1 (en) * | 1997-10-14 | 1999-04-22 | Seiko Instruments Inc. | Power generating block provided with thermoelectric generation unit |
| US6316714B1 (en) * | 1997-10-14 | 2001-11-13 | Seiko Instruments Inc. | Power generating block provided with thermoelectric generation unit |
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