JPH0737107Y2 - Solar cell type freezer / refrigerator - Google Patents
Solar cell type freezer / refrigeratorInfo
- Publication number
- JPH0737107Y2 JPH0737107Y2 JP7192088U JP7192088U JPH0737107Y2 JP H0737107 Y2 JPH0737107 Y2 JP H0737107Y2 JP 7192088 U JP7192088 U JP 7192088U JP 7192088 U JP7192088 U JP 7192088U JP H0737107 Y2 JPH0737107 Y2 JP H0737107Y2
- Authority
- JP
- Japan
- Prior art keywords
- refrigerator
- storage battery
- solar cell
- freezer
- shared
- 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.)
- Expired - Lifetime
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は冷凍・冷蔵庫に関し、特に冷凍庫と冷蔵庫に各
々別個の冷凍サイクルを設け、これらの冷凍サイクルを
太陽電池と蓄電池から成る電源で駆動する太陽電池式冷
凍・冷蔵庫に関する。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a freezer / refrigerator, and in particular, a separate refrigerating cycle is provided in a freezer and a refrigerator, and these refrigerating cycles are driven by a power source composed of a solar cell and a storage battery Solar cell freezer / refrigerator
従来、太陽電池と蓄電池を電源とした太陽電池式冷凍・
冷蔵庫は、第２図に示すように、太陽電池21と蓄電池22
とから成る電源を冷凍庫23と冷蔵庫24に並列接続して駆
動していた。なお、第２図において、25は逆流防止ダイ
オード、26は蓄電池22の過充電防止用スイッチである。Conventionally, solar cell type refrigeration using solar cells and storage batteries as power sources
As shown in FIG. 2, the refrigerator has a solar cell 21 and a storage battery 22.
The power source composed of and was connected in parallel to the freezer 23 and the refrigerator 24 to drive them. In FIG. 2, 25 is a backflow prevention diode, and 26 is a switch for preventing overcharge of the storage battery 22.
ところが、上記構成の太陽電池式冷凍・冷蔵庫では、冷
凍庫23の使用頻度が多くなると冷凍庫23での消費電力が
多くなり、冷蔵庫24に充分な電力が供給されなくなると
いう問題が生じていた。これは、冷蔵庫23での消費電力
が冷蔵庫24の消費電力に比べて格段に大きいことに因
る。However, in the solar cell type freezer / refrigerator having the above-described configuration, when the freezer 23 is used more frequently, the power consumption in the freezer 23 increases, and there is a problem that sufficient power is not supplied to the refrigerator 24. This is because the power consumption of the refrigerator 23 is significantly higher than that of the refrigerator 24.
したがって、冷蔵庫24内を常に一定温度に保つために、
冷凍庫23の使用頻度を充分考慮して過大な電源を準備し
なければならなかった。Therefore, in order to always maintain a constant temperature in the refrigerator 24,
An excessive power supply had to be prepared in consideration of the frequency of use of the freezer 23.
特に、太陽電池式冷凍・冷蔵庫は商用電源が完備されて
いない地域などにおいて好適に使用されるが、例えば冷
蔵庫24内にワクチンを保存して、冷凍庫23内でワクチン
輸送用の氷を作製するような場合では、ワクチン輸送用
の氷を作製できてもワクチンの保存自体に支障を来すこ
とがあり問題である。In particular, solar cell type freezer / refrigerator is preferably used in areas where commercial power is not complete, for example, it is recommended to store vaccine in the refrigerator 24 and make ice for vaccine transport in the freezer 23. In such a case, even if ice for transporting the vaccine can be produced, it may cause a problem in storing the vaccine itself, which is a problem.
本考案は、このような事情に鑑み案出されたものであ
り、太陽電池と蓄電池を電源とする冷凍・冷蔵庫におい
て、冷凍庫の使用頻度が多い場合でも冷蔵庫を常に正常
に運転させることができ、しかも太陽電池の電力を効率
的に使用することによって、太陽電池や蓄電池等の電源
の小型化が可能な優れた太陽電池式冷凍・冷蔵庫を提供
することを目的とする。The present invention has been devised in view of such circumstances, and in a freezer / refrigerator using a solar battery and a storage battery as a power source, the refrigerator can always be normally operated even when the freezer is frequently used. Moreover, it is an object of the present invention to provide an excellent solar cell type freezer / refrigerator capable of miniaturizing a power source such as a solar cell or a storage battery by efficiently using the electric power of the solar cell.
上記目的を達成するための太陽電池式冷凍・冷蔵庫は、
共用太陽電池1aの起電力を蓄える共用蓄電池2aをスイッ
チ９を介して冷凍庫３に接続し、冷蔵庫用太陽電池1bの
起電力を蓄える冷蔵庫用蓄電池2bを冷蔵庫４に接続し、
かつ共用蓄電池2aから冷蔵庫４へ給電するべく共用蓄電
池2aと冷蔵庫４とを接続するとともに、冷蔵庫用蓄電池
2bの端子電圧が共用蓄電池2aの端子電圧より低い場合
に、もしくは冷蔵庫用蓄電池2bの端子電圧が所定電圧値
以下の場合に、スイッチ９を開放して共用蓄電池2aから
は冷蔵庫４のみに給電するように構成したことを特徴と
する。The solar cell type freezer / refrigerator for achieving the above object is
The shared storage battery 2a that stores the electromotive force of the shared solar cell 1a is connected to the freezer 3 via the switch 9, and the refrigerator storage battery 2b that stores the electromotive force of the refrigerator solar cell 1b is connected to the refrigerator 4.
In addition, the shared storage battery 2a and the refrigerator 4 are connected so that the shared storage battery 2a supplies power to the refrigerator 4, and the storage battery for the refrigerator is also connected.
When the terminal voltage of 2b is lower than the terminal voltage of the shared storage battery 2a, or when the terminal voltage of the refrigerator storage battery 2b is below a predetermined voltage value, the switch 9 is opened to feed only the refrigerator 4 from the shared storage battery 2a. It is characterized in that it is configured as follows.
上記のように構成することにより、冷蔵庫用蓄電池2bの
端子電圧が共用蓄電池2aの端子電圧より低い場合、もし
くは冷蔵庫用蓄電池2bの端子電圧が所定電圧値以下の場
合には、共用蓄電池2aから冷凍庫３に電力が供給される
ことはなく、しかも共用蓄電池2aが冷蔵庫４のみに供給
されることになるので、冷凍庫３の使用頻度が多い場合
でも冷蔵庫４を常に安定して作動させることができる。By configuring as described above, when the terminal voltage of the refrigerator storage battery 2b is lower than the terminal voltage of the shared storage battery 2a, or when the terminal voltage of the refrigerator storage battery 2b is a predetermined voltage value or less, from the shared storage battery 2a to the freezer. Since electric power is not supplied to the refrigerator 3 and the shared storage battery 2a is supplied only to the refrigerator 4, the refrigerator 4 can always be stably operated even when the freezer 3 is frequently used.
以下、本考案に係る太陽電池式冷凍・冷蔵庫を図面に基
づき説明する。Hereinafter, a solar cell type freezer / refrigerator according to the present invention will be described with reference to the drawings.
第１図に示すように、共用太陽電池1aと共用蓄電池2aで
冷凍庫３及び冷蔵庫４の双方に電力を供給するための共
用電源が構成され、冷蔵庫用太陽電池1bと冷蔵庫用蓄電
池2bとで冷蔵庫用電源が構成されている。As shown in FIG. 1, the shared solar cell 1a and the shared storage battery 2a constitute a shared power source for supplying electric power to both the freezer 3 and the refrigerator 4, and the refrigerator solar cell 1b and the refrigerator storage battery 2b constitute a refrigerator. Power supply is configured.
また、図示していないが、冷凍庫３及び冷蔵庫４の各々
には、圧縮機、凝縮器、膨張弁、蒸発器等から成る冷凍
サイクルと、凝縮器や蒸発器の放熱を促進するためのフ
ァン等が設けられており、この圧縮機とファン等が共用
電源や冷蔵庫用電源により主として駆動される。Although not shown, each of the freezer 3 and the refrigerator 4 has a refrigeration cycle including a compressor, a condenser, an expansion valve, an evaporator, and a fan for promoting heat dissipation from the condenser and the evaporator. Is provided, and the compressor, fan, etc. are mainly driven by a common power source and a refrigerator power source.
また、共用太陽電池1aと共用蓄電池2aとの間には逆流防
止ダイオード5aが、冷蔵庫用太陽電池1bと冷蔵庫用蓄電
池2bと間には逆流防止ダイオード5bが接続され、さらに
共用太陽電池1aには蓄電池2aの過充電防止用のスイッチ
素子6aが、冷蔵庫用太陽電池1bには蓄電池2bの過充電防
止用のスイッチ素子6bが並列接続されている。そして、
共用電源の「＋」側と冷蔵庫用電源の「＋」側とがダイ
オード８を設けた接続線７により接続されている。Further, a backflow prevention diode 5a is connected between the shared solar cell 1a and the shared storage battery 2a, a backflow prevention diode 5b is connected between the refrigerator solar cell 1b and the refrigerator storage battery 2b, and further, the shared solar cell 1a is connected. A switch element 6a for preventing overcharge of the storage battery 2a and a switch element 6b for preventing overcharge of the storage battery 2b are connected in parallel to the solar cell 1b for the refrigerator. And
The “+” side of the shared power supply and the “+” side of the power supply for the refrigerator are connected by a connection line 7 provided with a diode 8.
また、接続線７の接続部と冷凍庫３との間、すなわち、
共用蓄電池2aと冷凍庫３との間には、電磁接触器などか
ら成るスイッチ９が設けられており、冷蔵庫用太陽電池
1bや冷蔵庫用蓄電池2bが容量不足のときにスイッチ９を
開放することによって、共用蓄電池2aから冷凍庫３への
給電を停止し、冷蔵庫４にのみ給電が行われるようにし
ている。Moreover, between the connection part of the connection line 7 and the freezer 3, that is,
A switch 9 composed of an electromagnetic contactor or the like is provided between the shared storage battery 2a and the freezer 3.
By opening the switch 9 when the capacity of 1b or the storage battery 2b for the refrigerator is insufficient, the power supply from the shared storage battery 2a to the freezer 3 is stopped and only the refrigerator 4 is supplied with power.
すなわち、冷蔵庫用蓄電池2bの端子電圧が共用蓄電池2a
の端子電圧より低い場合、蓄電池2bの端子電圧を検出し
て、この端子電圧が例えば蓄電池定格電圧の95％以下と
なった場合、もしくは蓄電池2bの電解液の比重を検出
し、蓄電池2bが過放電となって所定以下の比重となった
場合に、スイッチ９を開放することにより、共用蓄電池
2aからは冷蔵庫４のみに給電するようにするのである。That is, the terminal voltage of the storage battery 2b for the refrigerator is the shared storage battery 2a.
Is lower than the terminal voltage of the storage battery 2b, the terminal voltage of the storage battery 2b is detected, for example, when this terminal voltage becomes 95% or less of the storage battery rated voltage, or the specific gravity of the electrolytic solution of the storage battery 2b is detected, and the storage battery 2b is overloaded. When the discharge causes discharge and the specific gravity is less than a predetermined value, the shared storage battery is opened by opening the switch 9.
From 2a, power is supplied only to the refrigerator 4.
さらに、冷凍庫３を使用しないときや冷凍庫３で製氷を
行っているときでも、冷凍庫用電源1a,2aに余剰電力が
あれば、スイッチ９を開放することで冷凍庫用電源1a,2
aを冷蔵庫４に供給するようにしてもよい。Further, even when the freezer 3 is not used or when the freezer 3 is making ice, if there is surplus power in the freezer power supplies 1a and 2a, the switch 9 is opened to open the freezer power supplies 1a and 2a.
You may make it supply a to the refrigerator 4.
このようにして、冷蔵庫４の連続運転に必要な最小容量
の太陽電池1bと蓄電池2b、及び製氷に必要な最小容量の
太陽電池1aと蓄電池2aを用意すれば、何らかの原因で冷
蔵庫用電源が容量不足となった場合でも冷蔵庫４の運転
は確保できることになる。In this way, if the minimum capacity solar cell 1b and storage battery 2b required for continuous operation of the refrigerator 4 and the minimum capacity solar cell 1a and storage battery 2a required for ice making are prepared, the power source for the refrigerator will have a capacity for some reason. Even if there is a shortage, the operation of the refrigerator 4 can be secured.
以上のように、本考案に係る太陽電池式冷凍・冷蔵庫に
よれば、太陽電池と蓄電池を電源とする冷凍・冷蔵庫に
おいても、冷蔵庫を常に安定して運転することができ、
しかも太陽電池の電力を効率的に使用することによっ
て、太陽電池や蓄電池等の電源装置を小型化にすること
が可能であり、例えば商用電源が完備されていない地域
でワクチンを保存したり、近隣地区にワクチンを輸送す
るための製氷等に好適で実用的価値が極めて大きな太陽
電池式冷凍・冷蔵庫を提供することができる。As described above, according to the solar cell type freezer / refrigerator of the present invention, even in the case of a refrigerator / refrigerator using a solar battery and a storage battery as a power source, the refrigerator can always be stably operated,
Moreover, by efficiently using the electric power of the solar cell, it is possible to miniaturize the power supply device such as the solar cell and the storage battery. For example, it is possible to store the vaccine in an area where commercial power is not complete, It is possible to provide a solar cell type freezer / refrigerator which is suitable for ice making for transporting a vaccine to a district and has an extremely large practical value.
第１図は本考案に係る太陽電池式冷凍・冷蔵庫の一実施
例を示す概略構成図、第２図は従来の太陽電池式冷凍・
冷蔵庫を示す概略構成図である。 1a……共用太陽電池 1b……冷蔵庫用太陽電池 2a……共用蓄電池 2b……冷蔵庫用蓄電池 ３……冷凍庫 ４……冷蔵庫FIG. 1 is a schematic configuration diagram showing an embodiment of a solar cell type freezing / refrigerating apparatus according to the present invention, and FIG. 2 is a conventional solar cell type freezing / refrigerating apparatus.
It is a schematic block diagram which shows a refrigerator. 1a …… shared solar cell 1b …… refrigerator solar cell 2a …… shared storage battery 2b …… refrigerator storage battery 3 …… freezer 4 …… refrigerator
Claims (1)
池2aをスイッチ９を介して冷凍庫３に接続し、冷蔵庫用
太陽電池1bの起電力を蓄える冷蔵庫用蓄電池2bを冷蔵庫
４に接続し、かつ共用蓄電池2aから冷蔵庫４へ給電する
べく共用蓄電池2aと冷蔵庫４とを接続するとともに、冷
蔵庫用蓄電池2bの端子電圧が共用蓄電池2aの端子電圧よ
り低い場合に、もしくは冷蔵庫用蓄電池2bの端子電圧が
所定電圧値以下の場合に、スイッチ９を開放して共用蓄
電池2aからは冷蔵庫４のみに給電するように構成したこ
とを特徴とする太陽電池式冷凍・冷蔵庫。1. A shared storage battery 2a for storing an electromotive force of a shared solar cell 1a is connected to a freezer 3 via a switch 9, and a refrigerator storage battery 2b for storing an electromotive force of a refrigerator solar cell 1b is connected to a refrigerator 4. In addition, the shared storage battery 2a and the refrigerator 4 are connected to supply power from the shared storage battery 2a to the refrigerator 4, and when the terminal voltage of the refrigerator storage battery 2b is lower than the terminal voltage of the shared storage battery 2a or the terminal voltage of the refrigerator storage battery 2b. Is a predetermined voltage value or less, the switch 9 is opened to supply power only to the refrigerator 4 from the shared storage battery 2a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7192088U JPH0737107Y2 (en) | 1988-05-30 | 1988-05-30 | Solar cell type freezer / refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7192088U JPH0737107Y2 (en) | 1988-05-30 | 1988-05-30 | Solar cell type freezer / refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01175282U JPH01175282U (en) | 1989-12-13 |
| JPH0737107Y2 true JPH0737107Y2 (en) | 1995-08-23 |
Family
ID=31297105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7192088U Expired - Lifetime JPH0737107Y2 (en) | 1988-05-30 | 1988-05-30 | Solar cell type freezer / refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0737107Y2 (en) |
-
1988
- 1988-05-30 JP JP7192088U patent/JPH0737107Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01175282U (en) | 1989-12-13 |
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