JP2502786B2 - Cold storage type cold storage - Google Patents
Cold storage type cold storageInfo
- Publication number
- JP2502786B2 JP2502786B2 JP2095776A JP9577690A JP2502786B2 JP 2502786 B2 JP2502786 B2 JP 2502786B2 JP 2095776 A JP2095776 A JP 2095776A JP 9577690 A JP9577690 A JP 9577690A JP 2502786 B2 JP2502786 B2 JP 2502786B2
- Authority
- JP
- Japan
- Prior art keywords
- cold storage
- cold
- temperature
- ventilation fan
- cool
- 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 - Fee Related
Links
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、蓄冷剤を用いて庫内をを保冷し、生鮮食品
や医薬品等の冷蔵あるいは冷凍を要する使用品の輸送に
使用する蓄冷型保冷庫に関するものである。Description: TECHNICAL FIELD The present invention relates to a cold storage type cold storage for keeping the inside of a cold storage using a cold storage agent and used for transporting refrigerated products such as fresh foods and pharmaceuticals or products that require freezing. It is about.
従来の技術 蓄冷型保冷庫としては特開平1−234778号公報に示さ
れるごとく、生鮮食品の流通におけるトラック等の配送
に小型の蓄冷型保冷庫が使用されてきいる。以下図面を
参照しながら、上述した従来の蓄冷型保冷庫の一例につ
いて説明する。2. Description of the Related Art As a cold storage type cool storage box, as shown in JP-A-1-234778, a small cold storage type cold storage box has been used for delivery of trucks and the like in distribution of fresh food. Hereinafter, an example of the conventional cold storage type cold storage box described above will be described with reference to the drawings.
第5図は従来の蓄冷型保冷庫の構造を示す縦断面図で
あり、第6図は電気回路図である。FIG. 5 is a vertical cross-sectional view showing the structure of a conventional cold storage type cold storage, and FIG. 6 is an electric circuit diagram.
同図において、1は保冷庫本体で断熱材を内蔵したキ
ャビネット2と、ドア3と、ドア3とキャビネット2を
シールするガスケット11とで構成されている。10は保冷
庫本体1の底に取り付けているキャスターである。12は
保冷室であり保冷室12の下部に蓄冷室13があり、蓄冷剤
と冷媒蒸発管からなる蓄冷式熱交換体8と送風機により
構成している。また保冷庫本体1の底板下面には、コン
デンシングユニット4が取り付けられている。コンデン
シングユニット4は、凝縮器5及び凝縮器ファンモータ
6も加え圧縮機7が設けられている。圧縮機7、凝縮器
5、キャピラリ(図示せず)及び前記冷媒蒸発管は、冷
媒循環型冷却ユニットを構成する。14は商用電源、15は
メインスイッチ、16は蓄冷感知サーモスタット、22は充
電器、17は保冷室温度調節器(サーモスタット)、19は
送風機9を運転させる切換スイッチである。20はリレー
であり、商用電源14が入っている時のみ前記充電器22と
蓄電池21とを接続する。蓄電池21は、送風ファン9を動
作させる電源である。In the figure, reference numeral 1 is a cool box body, which is composed of a cabinet 2 in which a heat insulating material is incorporated, a door 3, and a gasket 11 for sealing the door 3 and the cabinet 2. Reference numeral 10 is a caster attached to the bottom of the cool box body 1. Reference numeral 12 denotes a cold storage chamber, and a cold storage chamber 13 is provided below the cold storage chamber 12, and is constituted by a cool storage type heat exchanger 8 including a cold storage agent and a refrigerant evaporation pipe, and a blower. A condensing unit 4 is attached to the lower surface of the bottom plate of the cool box body 1. The condensing unit 4 is provided with a compressor 7 as well as a condenser 5 and a condenser fan motor 6. The compressor 7, the condenser 5, the capillary (not shown), and the refrigerant evaporation pipe constitute a refrigerant circulation type cooling unit. Reference numeral 14 is a commercial power source, 15 is a main switch, 16 is a cold storage sensing thermostat, 22 is a charger, 17 is a cold room temperature controller (thermostat), and 19 is a changeover switch for operating the blower 9. Reference numeral 20 denotes a relay, which connects the charger 22 and the storage battery 21 only when the commercial power supply 14 is turned on. The storage battery 21 is a power source for operating the blower fan 9.
以上の様に構成された蓄冷型保冷庫について第5図と
第6図を用いてその動作を説明する。The operation of the cold storage type cold storage constructed as described above will be described with reference to FIGS. 5 and 6.
まず、蓄冷運転は商用電源14を入れ、メインスイッチ
15をONすると冷媒循環型冷却ユニット(圧縮機7、凝縮
器5及び凝縮器ファンモータ6等含む)は蓄冷式熱交換
体8の蓄冷を感知する蓄冷感知サーモスタット16を介し
て運転し、所定の温度にて圧縮機7の運転、停止を繰り
返し、蓄冷式熱交換体8の蓄冷温度を一定の温度範囲内
に制御する。First, for cold storage operation, turn on the commercial power supply 14 and turn on the main switch.
When 15 is turned on, the refrigerant circulation type cooling unit (including the compressor 7, the condenser 5, the condenser fan motor 6, etc.) is operated via the cool storage sensing thermostat 16 that senses the cool storage of the cool storage type heat exchanger 8, The compressor 7 is repeatedly operated and stopped at a temperature to control the cold storage temperature of the cold storage heat exchanger 8 within a certain temperature range.
また、商用電源14により充電器22及びリレー20が動作
し、リレー20の動作により充電器22を介して蓄電池21に
通電充電される。蓄電池21は、庫内温度調節器17及び切
換スイッチ19(クローズ時保冷で、オープン時蓄冷専用
または非冷却)を介して送風機9に接続されている。Further, the commercial power supply 14 operates the charger 22 and the relay 20, and the operation of the relay 20 electrically charges the storage battery 21 via the charger 22. The storage battery 21 is connected to the blower 9 via the inside temperature controller 17 and a changeover switch 19 (keeping cold when closed and dedicated to cold storage when open or non-cooling).
次に、保冷運転は、蓄冷式熱交換体8が蓄冷完了後、
切換スイッチ19をONすることで蓄電池21を電源として庫
内温度調節器17により保冷室12内を任意の設定温度に制
御するべく送風機9をON/OFFさせる。そして、産地等か
ら運ばれてきた生鮮食品等の冷却された輸送品物を保冷
室12に入れた後、商用電源14を抜取り圧縮機7の運転を
停止する。そして運送用トラック等に乗せて目的地まで
輸送する。この時保冷室12内は、蓄冷式熱交換体8の融
解潜熱により冷却されている蓄冷室13により冷却されて
おり、輸送品物の温度上昇を防止する。Next, in the cold insulation operation, after the cold storage type heat exchanger 8 completes the cold storage,
When the changeover switch 19 is turned on, the storage battery 21 is used as a power source to turn on / off the blower 9 so that the inside temperature controller 17 controls the inside of the cold storage chamber 12 to an arbitrary set temperature. Then, after the cooled transportation goods such as fresh foods transported from the production area and the like are put into the cold storage chamber 12, the commercial power source 14 is removed and the operation of the compressor 7 is stopped. Then, it is transported to the destination by being placed on a transportation truck or the like. At this time, the inside of the cold storage chamber 12 is cooled by the cold storage chamber 13 that is cooled by the latent heat of fusion of the cold storage type heat exchange element 8 to prevent the temperature rise of the transported goods.
発明が解決しようとする課題 しかしながら上記従来の構成では、蓄冷式熱交換体8
の蓄冷完了がわからなかった。このため輸送担当者が、
蓄冷が完了していない蓄冷型保冷庫に輸送品物を貯蔵し
て輸送することも考えられ、この場合には冷却能力が十
分に得られず到着するまでに庫内が温度上昇してしま
い、大切な輸送品物の品質が劣化してしまうという課題
を有していた。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in the above-described conventional configuration, the regenerative heat exchanger 8 is used.
I did not know the completion of cold storage. Therefore, the transportation person
It is possible to store and transport the goods in a cold storage cool storage box where cold storage has not been completed.In this case, the cooling capacity is not sufficient and the temperature inside the storage room rises by the time it arrives. There was a problem that the quality of various transportation goods deteriorates.
また、蓄冷室13を冷却する場合は、輸送担当者が切換
スイッチ19をONしなけれんばいけないため、切換スイッ
チ19をONすることを忘れた場合、蓄冷型保冷庫が、必要
時に保冷室12温度が設定温度まで低下していなく使用で
きないことになる。Further, when cooling the cold storage chamber 13, the transport person must turn on the changeover switch 19, so if the operator forgets to turn on the changeover switch 19, the cold storage type cold storage box will be kept at the cold storage chamber 12 when necessary. The temperature has not dropped to the set temperature and cannot be used.
さらに、輸送後に輸送担当者が、切換スイッチ19をOF
Fしないで長時間放置すると、送風機9は運転を続け、
蓄電池21が完全放電してしまい、蓄電池21の性能劣化を
生じてしまうとういう課題を有していた。After the transportation, the person in charge of transportation sets the changeover switch 19 to OF
If you leave it for a long time without F, the blower 9 continues to operate,
There is a problem that the storage battery 21 is completely discharged and the performance of the storage battery 21 deteriorates.
本発明は上記問題点を解決するもので、蓄冷が完了し
たことを誰でも容易に確認でき、人為的なミスによる輸
送品物の品質劣化や、保冷庫の使用不可能をなくし、か
つ、充電器完全放電を防止することで充電器を長時間使
用できる経済性の高い蓄冷型保冷庫を提供するものであ
る。The present invention solves the above problems, anyone can easily confirm that the cold storage is completed, eliminate the quality deterioration of the transported goods due to human error, and the inability to use the cool box, and the charger It is intended to provide a highly economical cold storage type cold storage in which a charger can be used for a long time by preventing complete discharge.
課題を解決するための手段 上記課題を解決するために本発明の蓄冷型保冷庫は、
蓄冷剤と冷却器を内装する冷却器と、食品などの輸送品
物を保冷する保冷室とより構成する保冷庫本体と、蓄冷
室と保冷室を区画し通気孔を配設する断熱区画壁と、保
冷室の温度制御時のみ運転する通気ファンと、通気ファ
ンに電力を供給し通気ファンを運転させる充電式蓄電池
と、蓄冷剤の近傍に設けられた温度検知部からの信号を
入力し蓄冷剤の温度が所定値以下に下ったことを判定す
る温度判定手段と、充電式蓄電池を充電する充電器と、
充電器の充電式蓄電池への充電が終了したことを検知す
る充電終了検知手段と、温度判定手段と充電終了検知手
段とからの信号を入力することにより蓄冷運転が完了し
たことを判定する蓄冷完了判定手段と、商用電源が入力
しているか判定する電源入力判定手段と、通気ファンの
運転,停止を設定する保冷スイッチとを備え、電源入力
判定手段により商用電源入力がOFFしたことを検知し作
動するタイマ手段を備え、商用電源入力がOFF時に、通
気ファンを運転し保冷室を任意の設定温度に制御中は、
タイマー手段により任意時間後に充電式蓄電池の負荷を
OFFするものである。Means for Solving the Problems In order to solve the above problems, the cold storage cool box of the present invention is
A cooler containing a cool storage agent and a cooler, a cool box body composed of a cool room for keeping foods and other transported goods cool, a heat insulating partition wall for partitioning the cool storage room and the cool room and arranging ventilation holes, The ventilation fan that operates only when controlling the temperature of the cold storage room, the rechargeable storage battery that supplies power to the ventilation fan to operate the ventilation fan, and the signal from the temperature detection unit provided near the cold storage agent A temperature determining means for determining that the temperature has dropped below a predetermined value, a charger for charging the rechargeable storage battery,
The completion of cold storage is determined by inputting signals from the charging end detection means that detects the end of charging of the rechargeable storage battery of the charger and the temperature determination means and the charging end detection means. Equipped with a judging means, a power input judging means for judging whether the commercial power is being input, and a cool switch for setting the operation / stop of the ventilation fan. The power input judging means detects that the commercial power input is turned off and operates. When the commercial power input is off, the ventilation fan is operated to control the cold room to an arbitrary set temperature.
The load of the rechargeable storage battery after an arbitrary time by the timer means
It is turned off.
また、電源入力判定手段により商用電源入力がONした
ことを検知し蓄冷剤を冷却器と熱交換することにより蓄
冷させ、蓄冷完了判定手段により蓄冷完了を検知した後
自動的に通気ファンを運転し、保冷室を任意の設定温度
に制御し、かつ、保冷スイッチを押すことで蓄冷剤の蓄
冷中にでも通気ファンを運転し保冷室を任意の設定温度
に制御し、かつ保冷中に再度保冷スイッチを押すことで
保冷を中止するものである。In addition, the power input determining means detects that the commercial power input is turned on, and heat is stored in the cool storage by exchanging heat with the cooler, and the cool storage completion determining means detects the cool storage completion, and then automatically operates the ventilation fan. By controlling the cold storage room to an arbitrary set temperature and pressing the cold storage switch, the ventilation fan is operated even during the cold storage of the cold storage agent to control the cold storage room to an arbitrary set temperature, and the cold insulation switch is turned on again during cold storage. Press to stop the cold insulation.
作用 本発明は上記した構成によって、蓄冷完了判定手段に
より輸送担当者に蓄冷が完了したことを知らせることが
でき、しかも、蓄冷剤が蓄冷完了すると自動的に保冷室
の温度を任意の設定温度に制御するので、輸送担当者は
電源を入れる操作のみで蓄冷型保冷庫を使用することが
できるとともに、さらに、電源切後任意時間後に、自動
的に充電式蓄電池の負荷をOFFさせるので、人為的ミス
による充電式蓄電池の性能劣化がなく長時間使用可能と
なる。Effect The present invention, by the above-mentioned configuration, can notify the person in charge of transportation by the cold storage completion determining means that the cold storage is completed, and moreover, when the cold storage is completed, the temperature of the cold storage chamber is automatically set to an arbitrary set temperature. Since it is controlled, the transport person can use the cold storage type cold storage box only by turning on the power, and furthermore, the load of the rechargeable storage battery is automatically turned off after an arbitrary time after the power is turned off. The rechargeable storage battery can be used for a long time without any performance deterioration due to mistakes.
また、例えば電源を入れてすぐに蓄冷型保冷庫を使用
したい場合には、保冷スイッチを電源投入後押すこと
で、短時間で使用可能となる。Further, for example, when it is desired to use the cold storage type cold storage immediately after turning on the power, the cold storage switch can be used in a short time by pressing the cold storage switch after turning on the power.
実施例 以下本発明の一実施例の蓄冷型保冷庫について図面を
参照しながら説明する。第1図は本発明の一実施例にお
ける蓄冷型保冷庫の凍結モード及び保冷モードにおける
機能ブロック図、第2図は本発明の一実施例における蓄
冷型保冷庫の充電式蓄電池過放電防止モードにおける機
能ブロック図である。Embodiment A cold storage type cold storage according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a functional block diagram of a cold storage type cold storage in a freezing mode and a cold storage mode according to an embodiment of the present invention, and FIG. 2 is a rechargeable storage battery overdischarge prevention mode of a cold storage type cold storage in an embodiment of the present invention. It is a functional block diagram.
第1図において、23は保冷庫本体で断熱材を内蔵した
キャビネット24と、ドア25と、ドア25とキャビネット24
をシールするガスケット26とで構成されている。27は蓄
冷室で、保冷庫の設定庫内温度より低い凝固点を有する
潜熱型の蓄冷剤28と蓄冷剤28を冷却凝固させる冷却器29
となり構成され、保冷庫本体23の下部に形成されてい
る。In FIG. 1, reference numeral 23 denotes a cabinet in which a heat insulating material is built in, a cabinet 24, a door 25, a door 25 and a cabinet 24.
And a gasket 26 for sealing the. Reference numeral 27 denotes a cold storage chamber, which is a latent heat type cold storage agent 28 having a freezing point lower than the set internal temperature of the cold storage and a cooler 29 for cooling and solidifying the cold storage agent 28.
And is formed in the lower part of the cool box body 23.
31は断熱性を有する断熱区画壁であり、32は通気孔で
あり、断熱区画壁31の2ケ所に配設されている。30は通
気ファンであり、通気孔32の1つの近傍のキャビネット
24下部に配置されている。33は保冷室で、断熱区画壁31
により区画され保冷庫本体23の上部に形成されている。
34はコンプレッサ35はコンデンサ、36はコンデンサファ
ンで、保冷庫本体23の下断熱壁面外に取り付けられてい
る。コンプレッサ34とコンデンサ35とキャピラリチュー
ブ(図示せず)を直列に接続し冷凍機ユニット37構成
し、蓄冷室27の冷却器29と接続して冷凍サイクルを形成
している。Reference numeral 31 is an adiabatic partition wall having a heat insulating property, and 32 is a vent hole, which is arranged at two locations on the adiabatic partition wall 31. 30 is a ventilation fan, a cabinet near one of the ventilation holes 32
It is located at the bottom of 24. 33 is a cool room, which is an adiabatic partition wall 31
And is formed on the upper part of the cool box body 23.
34 is a compressor 35 is a condenser, and 36 is a condenser fan, which are mounted outside the lower heat insulating wall surface of the cool box body 23. A compressor 34, a condenser 35, and a capillary tube (not shown) are connected in series to form a refrigerator unit 37, which is connected to a cooler 29 of a cold storage chamber 27 to form a refrigeration cycle.
38は蓄冷剤28の温度の検知を行う温度検知部で、蓄冷
剤28の近傍に所定の熱容量をもたせ取り付けられてい
る。39は産地等から運ばれてきた生鮮食品等の冷却され
た輸送品物であり40は電源コードである。41は保冷室33
内上部に設置し保冷室33内温度を検知する庫内温度検知
部である。42は温度検知部38で検知された温度が、予め
設定された温度T1より低くなったとき信号を送出する温
度判定手段である。43は電源入力判定手段であり、電源
コード40を差し込むことで、冷却ユニット37に商用電源
が印加されている時に、後述するコンプレッサ制御手段
44とタイマ手段53とに信号を送出する。44はコンプレッ
サ制御手段であり、電源入力判定手段43により商用電源
が印加されている時に、温度検知部38で検知された温度
によりコンプレッサー34をT1でOFF、T2でON制御する。Reference numeral 38 denotes a temperature detection unit that detects the temperature of the cold storage agent 28, and is attached near the cool storage agent 28 with a predetermined heat capacity. Reference numeral 39 is a cooled transportation item such as fresh food that has been transported from the production area, and 40 is a power cord. 41 is a cool room 33
This is an internal temperature detection unit installed in the upper part of the inside to detect the internal temperature of the cold storage room 33. Reference numeral 42 is a temperature determination means that sends a signal when the temperature detected by the temperature detection unit 38 becomes lower than a preset temperature T1. Reference numeral 43 is a power supply input judging means, and by inserting the power supply cord 40, when a commercial power supply is applied to the cooling unit 37, a compressor control means described later.
A signal is sent to 44 and the timer means 53. Reference numeral 44 denotes a compressor control means, which controls the compressor 34 to be turned off at T1 and turned on at T2 according to the temperature detected by the temperature detection portion 38 when the commercial power is applied by the power input determination means 43.
45は充電蓄式電池46を蓄冷運転中に充電する充電器で
ある。47は通気ファン制御手段であり、保冷運転中に充
電式蓄電池46より電源の供給をうけ通気ファン30をT4で
ON、T3でOFFを制御する。48は充電器45から充電式蓄電
池46への充電が終了すると信号を送信する充電終了検知
手段である。49は温度判定手段42と充電終了検知手段48
から送出された信号を基に蓄冷運転が完了したことを判
定する蓄冷完了判定手段、50は蓄冷完了判定手段49によ
り蓄冷完了したことを表示する蓄冷完了表示手段(例え
ばLED、ネオンランプなど)である。51は保冷室33を任
意の設定温度に制御している時に保冷室33が保冷中であ
ることを表示する保冷中表示手段である。52は任意時に
保冷を開始または中止する保冷スイッチである。53は電
源入力判定手段43により商用電源がOFFしたことを検知
し商用電源OFFから任意時間後に、充電式蓄電池46の負
荷をOFFさせるタイマ手段である。Reference numeral 45 is a charger that charges the rechargeable battery 46 during cold storage operation. 47 is a ventilation fan control means, which is supplied with power from the rechargeable storage battery 46 during the cold keeping operation and the ventilation fan 30 is driven by T4.
ON and T3 control OFF. Reference numeral 48 is a charging end detection means that transmits a signal when the charging of the rechargeable storage battery 46 from the charger 45 is completed. 49 is a temperature determination means 42 and a charging end detection means 48
The cool storage completion determining means for determining that the cool storage operation is completed based on the signal sent from, 50 is a cool storage completion display means (for example, LED, neon lamp, etc.) for displaying that the cool storage is completed by the cool storage completion determining means 49. is there. Reference numeral 51 is a cold-keeping display means for displaying that the cold-keeping chamber 33 is being kept cold when the cold-keeping chamber 33 is being controlled to an arbitrary set temperature. Reference numeral 52 is a cold insulation switch for starting or stopping the cold insulation at any time. Reference numeral 53 is a timer means for detecting that the commercial power supply is turned off by the power input determination means 43 and turning off the load of the rechargeable storage battery 46 after an arbitrary time from the commercial power supply being turned off.
以上の様に構成された蓄冷型保冷庫について、以下第
1図〜第4図を用いて動作を説明する。The operation of the cold-storage cool box constructed as described above will be described below with reference to FIGS. 1 to 4.
第3図は本実施例における凍結モード及び充電式蓄電
池過放電防止モード機能のタイミングチャートの一例を
示すものであり、第4図は本実施例における保冷モード
及び充電式蓄電池過放電防止モード機能のタイミングチ
ャートの一例を示すものである。図において、A、Cは
保冷室33内の温度であり、B、Dは蓄冷剤28の温度であ
る。FIG. 3 shows an example of a timing chart of the freezing mode and the rechargeable storage battery over-discharge prevention mode function in the present embodiment, and FIG. 4 shows the cooling mode and the rechargeable storage battery over-discharge prevention mode function in the present embodiment. It is an example of a timing chart. In the figure, A and C are the temperatures in the cold storage chamber 33, and B and D are the temperatures of the cold storage agent 28.
まず凍結モード機能を説明する。蓄冷運転は電源コー
ド40を電源に差し込んだことを時間tOで電源入力判定手
段43で検知し、コンプレッサ制御手段44に信号を送出す
る。そして、電源入力判定手段43からの信号を入力した
コンプレッサ制御手段44は、コンプレッサ34を運転し蓄
冷運転を行う。そして冷却された冷却器29により蓄冷剤
28を冷却する。蓄冷剤28の温度が低下するに従って蓄冷
剤28の温度検知部38の温度も低下する。First, the freezing mode function will be described. In the cold storage operation, the power input determining means 43 detects that the power cord 40 is plugged into the power source at time tO, and sends a signal to the compressor controlling means 44. Then, the compressor control means 44, which receives the signal from the power input determination means 43, operates the compressor 34 to perform the cold storage operation. And by the cooled cooler 29, the regenerator
Cool 28. As the temperature of the cold storage agent 28 decreases, the temperature of the temperature detection unit 38 of the cold storage agent 28 also decreases.
更に冷却がすすみ温度が時間t1でT1になると、温度判
定手段42は設定温度より低くなったことを検知し信号を
送出する。その信号をコンプレッサ制御手段44が受け、
コンプレッサ34を停止させ冷却運転を停止する。冷却運
転停止後、温度検知部38の温度が上昇し時間t2でT2(T2
−T1はディファレンシャル)を越えると再度コンプレッ
サ34は動作し、冷却運転を行う。Further, when the cooling end temperature reaches T1 at time t1, the temperature determination means 42 detects that the temperature is lower than the set temperature and sends a signal. The compressor control means 44 receives the signal,
The compressor 34 is stopped and the cooling operation is stopped. After the cooling operation is stopped, the temperature of the temperature detection unit 38 rises and T2 (T2 (T2
-T1 is differential), the compressor 34 operates again to perform cooling operation.
このようにコンプレッサ34はON/OFFを繰り返し、蓄冷
剤28を一定温度に保つことになる。またこの蓄冷運転中
には充電式蓄電池46は充電器45により充電される。充電
式蓄電池46がほぼ満たんに充電されると、充電終了検知
手段48から信号が送出される。時間t1で温度判定手段42
と充電終了検知手段48からの信号とが共に発生している
のを受け、蓄冷完了手段49は蓄冷運転が終了したと判定
し、蓄冷完了表示手段50にて蓄冷運転完了したことを使
用者に知らせると同時に通気ファン制御手段47に信号を
送出し、通気ファン制御手段47により通気ファン30をT3
(時間t3)OFF、T4(時間t4)でON制御し保冷室33を任
意の設定温度に制御し、保冷中表示手段51にて保冷中で
あることを使用者に知らせる。そして輸送担当者は保冷
室33に輸送品物39を入れ、そして時間t5で電源コード40
を電源より抜きとり輸送用トラック等にのせて目的地ま
で輸送する。このとき保冷庫本体23内は、蓄冷剤28の融
解潜熱と、通気ファン制御手段47により冷却されており
輸送貧物39の温度上昇を防止することができる。In this way, the compressor 34 repeats ON / OFF to keep the cold storage agent 28 at a constant temperature. The rechargeable storage battery 46 is charged by the charger 45 during the cold storage operation. When the rechargeable storage battery 46 is almost fully charged, a signal from the charging end detection means 48 is sent out. Temperature determination means 42 at time t1
In response to the occurrence of both the signal from the charging completion detection means 48 and the signal from the charging end detection means 48, the cold storage completion means 49 determines that the cold storage operation has ended, and the cool storage completion display means 50 indicates to the user that the cold storage operation has been completed. At the same time, a signal is sent to the ventilation fan control means 47, and the ventilation fan control means 47 causes the ventilation fan 30 to move to T3.
(Time t3) is turned off, and T4 (time t4) is turned on to control the cold storage chamber 33 to an arbitrary set temperature, and the cold storage display means 51 informs the user that the cold storage is in progress. Then, the transport person puts the transportable goods 39 in the cool room 33, and at time t5, the power cord 40
Remove from the power supply and place it on a transportation truck etc. to transport it to the destination. At this time, the inside of the cool box main body 23 is cooled by the latent heat of fusion of the cool storage agent 28 and the ventilation fan control means 47, so that the temperature rise of the poor transport 39 can be prevented.
次に保冷モード機構について説明する。 Next, the cool mode mechanism will be described.
まず、輸送担当者が早く保冷室33の準備をしたい場合
は、時間t7で電源コード40を差し込んだ後、保冷スイッ
チ52を押すことで蓄冷剤28の蓄冷中でも通気ファン制御
手段47により凍結モードと同様の制御で保冷室33内を任
意の設定温度に制御することで早く保冷室33の温度を低
下させることができる。また、輸送担当者が保冷運転を
中止したい場合は時間t8でもう一度保冷スイッチ52を押
すことで中止し、保冷室33の温度制御を中止する。そし
て再度保冷を行いたい場合は時間t9で再度保冷スイッチ
52を押す。First, if the transportation person wants to quickly prepare the cold storage room 33, after inserting the power cord 40 at time t7, pressing the cold storage switch 52 enables the ventilation fan control means 47 to set the freezing mode even when the cold storage agent 28 is cold. By controlling the inside of the cool chamber 33 to an arbitrary set temperature by the same control, the temperature of the cool chamber 33 can be quickly lowered. In addition, when the transportation person wants to stop the cold storage operation, the cold storage switch 52 is pressed again at time t8 to stop, and the temperature control of the cold storage chamber 33 is stopped. And if you want to keep cool again, cool switch again at time t9
Press 52.
次に、充電式蓄電池過放電防止モード機能について説
明する。Next, the rechargeable storage battery overdischarge prevention mode function will be described.
電源コード40が抜かれ商用電源がOFFしたことを電源
入力判定手段43からの信号がOFFしたことで検知した
(時間t5、t10)タイマ手段53は、任意時間後(例えば
5時間後時間t6、t11)に充電式蓄電池46の負荷(通気
ファン30等)をOFFさせる。これにより、輸送後の不必
要な通気ファン30の運転を自動的に停止させることがで
き、無駄な充電式蓄電池46の放電が防止できる。The timer means 53, which has detected that the signal from the power input determination means 43 has turned off (time t5, t10), has detected that the power cord 40 has been unplugged and the commercial power has been turned off. ), The load of the rechargeable storage battery 46 (ventilation fan 30, etc.) is turned off. As a result, the unnecessary operation of the ventilation fan 30 after transportation can be automatically stopped, and useless discharge of the rechargeable storage battery 46 can be prevented.
以上のように本実施例によれば、電源入力判定手段43
により商用電源入力がONしたことを検知し蓄冷剤28を冷
却器29にて蓄冷させ、蓄冷完了判定手段49により蓄冷完
了を検知した後自動的に通気ファン30を運転し保冷室33
を任意の設定温度に制御する凍結モード機能と、保冷ス
イッチ52を押すことで蓄冷剤28の蓄冷中にでも通気ファ
ン30を運転し保冷室33を任意の設定温度に制御しかつ保
冷中に再度保冷スイッチ52を押すことで保冷を中止する
保冷モード機能と、商用電源入力OFF時、通気ファン30
を運転し保冷室33を任意の設定温度に制御中は、タイマ
手段53により任意時間後に充電式蓄電池46の負荷をOFF
する充電式蓄電池過放防止モード機能を備えたことで、
蓄冷剤28が蓄冷を完了すると、輸送担当者に知らせるこ
とができ、さらに、蓄冷剤28が蓄冷完了すると自動的に
保冷室33の温度を任意の設定温度に制御するので、輸送
担当者は電源を入れる操作のみで蓄冷型保冷庫23を使用
することができる。また、例えば電源を入れてすぐに蓄
冷型保冷庫23を使用したい場合には、保冷スイッチ52を
電源投入後押すことで、短時間で使用可能となる。さら
に、電源切後任意時間後に自動的に充電式蓄電池46の負
荷をOFFさせるので、人為的ミスによる充電式蓄電池46
の性能劣化がなく長時間使用可能となる。As described above, according to this embodiment, the power input determining means 43
Detects that the commercial power input is turned on by the cooler 29 in the cooler 29, and the cool storage completion determining means 49 detects the completion of the cool storage, and then automatically operates the ventilation fan 30 to keep the cool room 33.
The freezing mode function to control the temperature to an arbitrary set temperature, and by pressing the cold insulation switch 52, the ventilation fan 30 is operated even during the cold storage of the cold storage agent 28 to control the cold storage chamber 33 to an arbitrary set temperature, and again during the cold storage. Cooling mode function to stop cooling by pressing the cooling switch 52, and ventilation fan 30 when commercial power input is OFF
The timer means 53 turns off the load on the rechargeable storage battery 46 after an arbitrary time while the cold storage room 33 is being controlled to an arbitrary set temperature.
With the rechargeable storage battery over-discharge prevention mode function,
When the cold storage agent 28 completes the cold storage, it can inform the transportation person.Furthermore, when the cold storage agent 28 completes the cold storage, the temperature of the cold storage chamber 33 is automatically controlled to an arbitrary set temperature. The cold storage type cool box 23 can be used only by putting in. Further, for example, when it is desired to use the cold storage cool box 23 immediately after the power is turned on, the cool storage switch 52 can be used in a short time by pressing the cool switch 52 after the power is turned on. In addition, the load on the rechargeable storage battery 46 is automatically turned off after an arbitrary time after the power is turned off.
It can be used for a long time without deterioration of performance.
なお、実施例において蓄冷完了表示手段50,保冷中表
示手段53についてはランプ、LED等の表示のみでなくこ
の主旨を逸脱しない範囲い警報等、報知する手段であれ
ばよい。It should be noted that, in the embodiment, the cold storage completion display means 50 and the cold storage display means 53 are not limited to display by lamps, LEDs, etc., but may be means for giving an alarm or the like within a range not deviating from the gist thereof.
発明の効果 以上のように本発明は、蓄冷剤と冷却器を内装する冷
却器と、食品などの輸送品物を保冷する保冷室とより構
成する保冷庫本体と、蓄冷室と保冷室を区画し通気孔を
配置する断熱区画壁と、保冷室の温度制御時のみ運転す
る通気ファンと、通気ファンに電力を供給し通気ファン
を運転させる充電式蓄電池と、蓄冷剤の近傍に設けられ
た温度検知部からの信号を入力し蓄冷剤の温度が設定値
以下に下ったことを判定する温度判定手段と、充電式蓄
電池を充電する充電器と、充電器の充電式蓄電池への充
電が終了したことを検知する充電終了検知手段と、温度
判定手段と充電終了検知手段とからの信号を入力するこ
とにより蓄冷運転が完了したことを判定する蓄冷完了判
定手段と、商用電源が入力しているか判定する電源入力
判定手段と、通気ファンの運転,停止を設定する保冷ス
イッチとを備えているので蓄冷が完了したことを誰でも
容易に確認でき、さらに、電源入力判定手段により商用
電源入力がOFFしたことを検知し作動するタイマ手段を
備え、商用電源入力がOFF時に、通気ファンを運転し保
冷室を任意の設定温度に制御中は、タイマー手段により
任意時間後に充電式蓄電池の負荷をOFFすることによ
り、充電器完全放電を防止することで充電器を長期間使
用できる経済性の高い蓄冷型保冷庫となる。Effect of the Invention As described above, the present invention divides the cool storage compartment and the cool storage compartment, which includes the cool storage that houses the cool storage agent and the cooler, and the cool storage compartment that cools the transported goods such as food. Insulation partition wall with ventilation holes, ventilation fan that operates only when the temperature of the cold storage room is controlled, rechargeable storage battery that supplies power to the ventilation fan to operate the ventilation fan, and temperature detection provided near the cool storage agent Temperature determination means for determining whether the temperature of the cold storage agent has fallen below a set value by inputting a signal from the unit, a charger for charging the rechargeable storage battery, and the end of charging of the rechargeable storage battery of the charger Of the charging end detecting means for detecting the temperature, the signal for judging the completion of the cold storage operation by inputting signals from the temperature judging means and the charging end detecting means, and a judgment of whether the commercial power source is input or not. Power input determination means Since it is equipped with a cooling switch that sets the operation and stop of the ventilation fan, anyone can easily confirm that the cold storage is completed, and the power input judgment means detects that the commercial power input is off and activates it. When the commercial power input is off, the ventilation fan is operating and the cold storage room is being controlled to an arbitrary set temperature when the commercial power input is OFF.The timer means turns off the load on the rechargeable storage battery after an arbitrary time to complete the charger. By preventing discharge, it becomes a cold storage type cold storage with high economic efficiency that allows the charger to be used for a long time.
また、電源入力判定手段により商用電源入力がONした
ことを検知し蓄冷剤を冷却器と熱交換することにより蓄
冷させ、蓄冷完了判定手段により蓄冷完了を検知した後
自動的に通気ファンを運転し、保冷室を任意の設定温度
に制御し、かつ、保冷スイッチを押すことで蓄冷剤の蓄
冷中にでも通気ファンを運転し保冷室を任意の設定温度
に制御し、かつ保冷中に再度保冷スイッチを押すことで
保冷を中止することにより、人為的なミスによる輸送品
物の品質劣化や、保冷庫の使用不可能をなくし、かつ、
早期に保冷庫を使用可能にすることができる。In addition, the power input determining means detects that the commercial power input is turned on, and heat is stored in the cool storage by exchanging heat with the cooler, and the cool storage completion determining means detects the cool storage completion, and then automatically operates the ventilation fan. By controlling the cold storage room to an arbitrary set temperature and pressing the cold storage switch, the ventilation fan is operated even during the cold storage of the cold storage agent to control the cold storage room to an arbitrary set temperature, and the cold insulation switch is turned on again during cold storage. By stopping the cold insulation by pressing, the quality deterioration of the transported goods due to human error and the inability to use the cold storage are eliminated, and
The cold storage can be made available early.
第1図は本発明の一実施例における蓄冷型保冷庫の凍結
モード及び保冷モードを示す機能ブロック図、第2図は
充電式蓄電池放電防止モード及び充電式蓄電池過放電防
止モードを示すタイミングチャート、第3図は凍結モー
ド及び充電式蓄電池過放電防止モードを示すタイミング
チャート、第4図は保冷モード及び充電式蓄電池過放電
防止モードを示すタイミングチャート、第5図は従来の
蓄冷型保冷庫の構造を示す縦断面図、第6図は従来の蓄
冷型保冷庫の電源回路図である。 23……保冷庫本体、27……蓄冷室、28……蓄冷剤、29…
…冷却器、30……通気ファン、31……断熱区画壁、32…
…通気孔、42……温度判定手段、43……電源入力判定手
段、45……充電器、46……充電式蓄電池、48……充電終
了検知手段、49……蓄冷完了判定手段、52……保冷スイ
ッチ、53……タイマ手段。FIG. 1 is a functional block diagram showing a freezing mode and a cold insulation mode of a cold storage type cold storage in one embodiment of the present invention, and FIG. 2 is a timing chart showing a rechargeable storage battery discharge prevention mode and a rechargeable storage battery overdischarge prevention mode, FIG. 3 is a timing chart showing a freezing mode and a rechargeable storage battery over-discharge prevention mode, FIG. 4 is a timing chart showing a cold insulation mode and a rechargeable storage battery over-discharge prevention mode, and FIG. 5 is a structure of a conventional regenerator FIG. 6 is a power supply circuit diagram of a conventional cold storage type cool box. 23 ... Cooling box body, 27 ... Cold storage room, 28 ... Cold storage agent, 29 ...
… Cooler, 30… Ventilation fan, 31… Insulation partition wall, 32…
… Ventilation hole, 42… Temperature judging means, 43… Power input judging means, 45… Charger, 46… Rechargeable storage battery, 48… Charging end detecting means, 49… Cold storage completion judging means, 52… … Cold insulation switch, 53 …… Timer means.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 永井 純一 大阪府東大阪市高井田本通3丁目22番地 松下冷機株式会社内 (56)参考文献 特開 平1−318873(JP,A) 特開 平1−318870(JP,A) 特開 平2−85671(JP,A) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Junichi Nagai 3-22 Takada Hondori, Higashi-Osaka City, Osaka Prefecture Matsushita Refrigerating Machinery Co., Ltd. (56) Reference JP-A-1-318873 (JP, A) JP-A 1-318870 (JP, A) JP-A-2-85671 (JP, A)
Claims (2)
冷室(27)と、食品等の輸送品物を保冷する保冷室(3
3)とにより構成する保冷庫本体(23)と、前記蓄冷室
(28)と保冷室(33)を区画し通気孔(32)を配設する
断熱区画壁(31)と、前記保冷室(33)の温度制御時の
み運転する通気ファン(30)と、前記通気ファン(30)
に電力を供給し前記通気ファン(30)を運転させる充電
式蓄電池(46)と、前記蓄冷剤(28)の近傍に設けられ
た温度検知部(38)からの信号を入力し前記蓄冷剤(2
8)の温度が所定値以下に下がったことを判定する温度
判定手段(42)と、前記充電式蓄電池(46)を充電する
充電器(45)と、前記充電器(45)の前記充電式蓄電池
(46)への充電が終了したことを検知する充電終了検知
手段(48)と、前記温度判定手段(42)と前記充電終了
検知手段(48)とからの信号を入力することにより蓄冷
運転が完了したことを判定する蓄冷完了判定手段(49)
と、商用電源が入力しているか判定する電源入力判定手
段(43)と、前記通気ファン(30)の運転,停止を設定
する保冷スイッチ(52)とを備え、前記電源入力判定手
段(43)により商用電源入力がOFFしたことを検知し作
動するタイマ手段(53)を有し、商用電源がOFF時に、
前記通気ファン(30)を運転し前記保冷室(33)を任意
の設定温度に制御中は、前記タイマ手段(53)により商
用電源OFFから任意時間後に前記充電式蓄電池(46)の
負荷をOFFすることを特徴とする蓄冷型保冷庫。1. A cold storage chamber (27) containing a cold storage agent (28) and a cooler (29), and a cold storage chamber (3) which cools a transported product such as food.
3), a cool box body (23), a heat insulation partition wall (31) for partitioning the cold storage chamber (28) and the cold storage chamber (33) and arranging a vent hole (32), and the cold storage chamber (31). 33) Ventilation fan (30) that operates only during temperature control, and the ventilation fan (30)
A rechargeable storage battery (46) for supplying electric power to the ventilation fan (30) and a signal from a temperature detecting section (38) provided in the vicinity of the cold storage agent (28) are input to the cold storage agent (46). 2
8) temperature determination means (42) for determining that the temperature has dropped below a predetermined value, a charger (45) for charging the rechargeable storage battery (46), and the rechargeable type of the charger (45) Cold storage operation by inputting signals from the charge end detection means (48) for detecting the end of charging of the storage battery (46), and the temperature determination means (42) and the charge end detection means (48). Cool storage completion determining means (49) for determining that the cooling has been completed
A power source input determining means (43) for determining whether or not a commercial power source is input, and a cold insulation switch (52) for setting the operation / stop of the ventilation fan (30), and the power source input determining means (43) Has a timer means (53) that detects when the commercial power input is turned off and operates, and when the commercial power is turned off,
During operation of the ventilation fan (30) to control the cold storage chamber (33) to an arbitrary set temperature, the timer means (53) turns off the load of the rechargeable storage battery (46) after an arbitrary time from turning off the commercial power supply. A cold storage type cold storage that is characterized by:
力がONしたことを検知し前記蓄冷剤(28)を前記冷却器
(29)と熱交換することにより蓄冷させ、前記蓄冷完了
判定手段(49)により蓄冷完了を検知した後自動的に前
記通気ファン(30)を運転し前記保冷室(33)を任意の
設定温度に制御し、かつ、前記保冷スイッチ(52)を押
すことで前記蓄冷剤(28)の蓄冷中にでも前記通気ファ
ン(30)を運転し前記保冷室(33)を任意の設定温度に
制御し、かつ保冷中に再度前記保冷スイッチ(52)を押
すことで保冷を中止することを特徴とする請求項1記載
の蓄冷型保冷庫。2. A power supply input judging means (43) detects that a commercial power supply input is turned on, and heat-exchanges the cold storage agent (28) with the cooler (29) to store cold, and the cold storage completion judging means. After the completion of cold storage is detected by (49), the ventilation fan (30) is automatically operated to control the cold room (33) to an arbitrary set temperature, and the cold switch (52) is pressed to cause the Even when the cold storage agent (28) is cold, the ventilation fan (30) is operated to control the cold storage chamber (33) to an arbitrary set temperature, and the cold storage switch (52) is pressed again during cold storage to keep cool. The cold storage cooler according to claim 1, wherein the cold storage is stopped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2095776A JP2502786B2 (en) | 1990-04-10 | 1990-04-10 | Cold storage type cold storage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2095776A JP2502786B2 (en) | 1990-04-10 | 1990-04-10 | Cold storage type cold storage |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03294775A JPH03294775A (en) | 1991-12-25 |
JP2502786B2 true JP2502786B2 (en) | 1996-05-29 |
Family
ID=14146887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2095776A Expired - Fee Related JP2502786B2 (en) | 1990-04-10 | 1990-04-10 | Cold storage type cold storage |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2502786B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109827381A (en) * | 2019-01-29 | 2019-05-31 | 景德镇市宏亿电子科技有限公司 | A kind of etching solution cooling device for etching machine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01318873A (en) * | 1988-06-17 | 1989-12-25 | Matsushita Refrig Co Ltd | Regenerative-type cold reserving container |
-
1990
- 1990-04-10 JP JP2095776A patent/JP2502786B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH03294775A (en) | 1991-12-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |