JPH0776665B2 - Freezer-refrigerator controller - Google Patents

Freezer-refrigerator controller

Info

Publication number
JPH0776665B2
JPH0776665B2 JP63242835A JP24283588A JPH0776665B2 JP H0776665 B2 JPH0776665 B2 JP H0776665B2 JP 63242835 A JP63242835 A JP 63242835A JP 24283588 A JP24283588 A JP 24283588A JP H0776665 B2 JPH0776665 B2 JP H0776665B2
Authority
JP
Japan
Prior art keywords
temperature
process proceeds
compressor
freezer
refrigerator
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
Application number
JP63242835A
Other languages
Japanese (ja)
Other versions
JPH0289975A (en
Inventor
邦彦 八木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP63242835A priority Critical patent/JPH0776665B2/en
Publication of JPH0289975A publication Critical patent/JPH0289975A/en
Publication of JPH0776665B2 publication Critical patent/JPH0776665B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/30Quick freezing

Landscapes

  • Devices That Are Associated With Refrigeration Equipment (AREA)

Description

【発明の詳細な説明】 [産業上の利用分野] この発明は、冷却強制循環方式の冷凍冷蔵庫の制御装置
に関し、特に、急速冷凍終了時の保冷室の温度制御に関
するものである。
Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for a forced cooling circulation type refrigerator / freezer, and more particularly to temperature control of a cold room at the end of quick freezing.

[従来の技術] 第3図は、例えば特開昭62−233665号公報に示された従
来の冷凍冷蔵庫の概略構成を示すもので、図において、
(1)は冷凍冷蔵庫本体、(2)は本体(1)内に区画
形成された冷凍室で、急速冷凍室としても使用される。
(3)は冷蔵室、(4)はチルド室、(5)は野菜室、
(6)は圧縮機、(7)は冷凍室(2)の後方に配置さ
れた冷却器、(8)は冷却器(7)で冷却された冷気を
強制循環させる送風機、(9)は冷蔵室(3)への冷気
流入量を制御する電動ダンパ、(10)はチルド室(4)
への冷気流入量を制御する電動ダンパ、(11)は冷凍室
(2)に設けられた温度検出素子(Fセンサー)、(1
2)は冷蔵室(3)に設けられた温度検出素子(Rセン
サー)、(13)はチルド室(4)に設けられた温度検出
素子(Cセンサー)、(14)は操作パネル、(15)は制
御部である。又第2図は、電気回路の構成を表すブロッ
クであり、(14a)は使用者が任意に冷凍室(2)、冷
蔵室(3)及びチルド室(4)の各々の設定温度を変更
できる操作部と、その設定温度の表示より成り立つ設定
温度操作部、(14b)は急速冷凍の開始、終了を任意に
設定できる操作部とその表示部とからなる急速冷凍の操
作部、(15a)はA/D変換機能を有するマイクロコンピュ
ータ、(15b)はマイクロコンピュータ(15a)のプログ
ラムが格納されているROM、(15c)はマイクロコンピュ
ータ(15a)による演算結果が記憶されるRAM、(15d)
はマイクロコンピュータ(15a)の指令に基づき動作す
る駆動回路、(15e),(15f),(15g),(15h)は駆
動回路(15d)により制御されるリレー、(15i)は電動
ダンパ(9),(10)の位置を検出する開閉判定回路で
ある。次に動作について説明する。設定温度操作部(14
a)の入力とFセンサー(11)、Rセンサー(12)、及
びCセンサー(13)の各々を入力とをマイクロコンピュ
ータ(15a)に格納されたプログラムに従い入力の読み
込みを行い冷凍室(2)の設定温度とFセンサー(11)
との温度を比較し、圧縮機(6)及び送風機(8)の運
転を定める。また、冷蔵室(3)、チルド室(4)も同
様な方法で電動ダンパ(9),(10)とを制御する。こ
の制御により冷凍室(2)、冷蔵室(3)及びチルド室
(4)は使用者によった定められた設定温度を保つよう
に温度調節される。以上の動作は周知の動作であるので
詳細は省略する。
[Prior Art] FIG. 3 shows a schematic structure of a conventional refrigerator-freezer disclosed in, for example, JP-A-62-233665.
(1) is a freezer-refrigerator main body, and (2) is a freezing compartment partitioned and formed in the main body (1), which is also used as a quick freezing compartment.
(3) refrigerating room, (4) chilled room, (5) vegetable room,
(6) is a compressor, (7) is a cooler arranged behind the freezer compartment (2), (8) is a blower for forcedly circulating the cool air cooled by the cooler (7), and (9) is refrigerating. An electric damper for controlling the amount of cold air flowing into the chamber (3), (10) a chilled chamber (4)
An electric damper (11) for controlling the inflow amount of cool air into the freezing chamber (2) is provided with a temperature detecting element (F sensor) (1).
2) is a temperature detecting element (R sensor) provided in the refrigerating chamber (3), (13) is a temperature detecting element (C sensor) provided in the chilled chamber (4), (14) is an operation panel, (15) ) Is a control unit. Further, FIG. 2 is a block showing the configuration of the electric circuit, and the user can arbitrarily change the set temperatures of the freezing room (2), the refrigerating room (3) and the chilled room (4) at (14a). The operating part and the set temperature operating part consisting of the display of the set temperature, (14b) is the operating part of the quick freezing consisting of the operating part and the display part which can set the start and end of the rapid freezing, (15a) is A microcomputer having an A / D conversion function, (15b) is a ROM in which the program of the microcomputer (15a) is stored, (15c) is a RAM in which the calculation result by the microcomputer (15a) is stored, (15d)
Is a drive circuit that operates based on commands from the microcomputer (15a), (15e), (15f), (15g), and (15h) are relays controlled by the drive circuit (15d), and (15i) is an electric damper (9). ), (10) is an open / close determination circuit that detects the position. Next, the operation will be described. Set temperature operation part (14
The input of a) and the inputs of each of the F sensor (11), R sensor (12), and C sensor (13) are read according to the program stored in the microcomputer (15a), and the freezer compartment (2) is read. Set temperature and F sensor (11)
And the temperatures of the compressor (6) and the blower (8) are determined. Also, the electric dampers (9) and (10) are controlled in the same manner in the refrigerating room (3) and the chilled room (4). By this control, the freezing compartment (2), the refrigerating compartment (3) and the chilled compartment (4) are temperature-controlled so as to maintain the set temperature determined by the user. The above operation is a well-known operation, and thus its details are omitted.

次に、急速冷凍運転の動作について、第4図のフローチ
ャートを参照しながら説明する。ステップ(100)にお
いて操作パネル(14)の急速冷凍の操作部(14b)よ
り、急速冷凍の入力の有無を判定し無と判定したとき
は、ステップ(101)へ進み、ステップ(101)において
現在急冷中であるかを判定し、急冷中であればステップ
(104)へ進む。ステップ(100)において急速冷凍の入
力が有った場合には、ステップ(102)で進み、ステッ
プ(102)において急冷中かを判定し急冷中で無ければ
ステップ(103)へ進み、ステップ(103)において急冷
F“1"FDAM“1"としステップ(104)へ進む。ステ
ップ(104)において、FDAMP=1かを判定し、FDAMP
≠1であるならばステップ(10)へ進み、またFDAMP=
1であるならばステップ(105)へ進む。ステップ(10
5)において電動ダンパ(9),(10)を開としてステ
ップ(106)へ進む。ステップ(106)において、冷蔵室
(3)の庫内温度及びチルド室(4)の庫内温度が各々
に対応した設定温度より4℃低ければステップ(107)
へ進み、逆に高ければステップ(108)へ進む。ステッ
プ(107)において電動ダンパ(9),(10)を閉と
し、FDAMP“0"としてステップ(108)へ進む。ステ
ップ(108)において、急速冷凍を開始してから一定時
間経過していなければ、ステップ(110)へ進みステッ
プ(110)におい圧縮機(6)と送風機(8)を運転さ
せメインへ戻る。また一方ステップ(108)において一
定時間経過しておればステップ(109)へ進み急冷F
“0"として、急速冷凍の運転モードを終了する。
Next, the operation of the quick freezing operation will be described with reference to the flowchart of FIG. In step (100), if there is no quick freeze input from the quick freeze operation section (14b) of the operation panel (14), and if it is determined that there is no quick freeze input, the process proceeds to step (101). It is determined whether or not quenching is in progress, and if quenching is in progress, the process proceeds to step (104). If there is an input for quick freezing in step (100), the process proceeds to step (102). If it is not being rapidly cooled in step (102), the process proceeds to step (103), and the process proceeds to step (103). In step (104), the quenching F is set to “1” and FDAM is set to “1”. In step (104), it is determined whether FDAMP = 1 and FDAMP
If ≠ 1, go to step (10) and again FDAMP =
If it is 1, proceed to step (105). Step (10
In 5), the electric dampers (9) and (10) are opened and the process proceeds to step (106). In step (106), if the internal temperature of the refrigerator compartment (3) and the internal temperature of the chilled compartment (4) are 4 ° C. lower than the corresponding set temperatures, step (107).
If it is higher, the process proceeds to step (108). In step (107), the electric dampers (9) and (10) are closed, FDAMP is set to "0", and the process proceeds to step (108). In step (108), if a certain period of time has not elapsed since the start of the quick freezing, the process proceeds to step (110), the compressor (6) and the blower (8) are operated in step (110), and the process returns to the main. On the other hand, if a certain period of time has passed in step (108), the process proceeds to step (109) to quench F
The operation mode of quick freezing is terminated with "0".

[発明が解決しようとする課題] 従来の冷凍冷蔵庫の制御装置は以上のように制御されて
いるので急速冷凍時には冷蔵室(3)、チルド室(4)
の庫内温度が上昇してしまい、冷蔵室(3)、チルド室
(4)の中で保存している食品の質を劣化する可能性が
あり、また冷えが悪いなど使用者が感じてしまう恐れが
あるなどの問題点があった。
[Problems to be Solved by the Invention] Since the conventional control device for the refrigerator / freezer is controlled as described above, the refrigerator compartment (3) and the chilled compartment (4) are used during quick freezing.
The temperature inside the refrigerator will rise, and the quality of the food stored in the refrigerating room (3) and chilled room (4) may deteriorate, and the user may feel that the food is cold. There was a problem such as fear.

この発明は上記のような問題点を解消するためになされ
たもので、急速冷凍終了後に冷蔵室及びチルド室のよう
なその他の冷却室の庫内温度によっては圧縮機と送風機
を運転できるようにし、また、このときは、その他の冷
却室の設定温度を一定時間低くし、早く設定温度に近づ
けることができる冷凍冷蔵庫制御装置を得ることを目的
とする。
The present invention has been made to solve the above problems, and makes it possible to operate the compressor and the blower depending on the temperature inside the other cooling chambers such as the refrigerating chamber and the chilled chamber after the quick freezing is completed. Further, at this time, it is an object to obtain a refrigerator-refrigerator control device capable of lowering the set temperatures of the other cooling chambers for a certain period of time and quickly approaching the set temperatures.

[課題を解決するための手段] この発明の冷凍冷蔵庫の制御装置は、圧縮機と、前記圧
縮機と共に冷凍サイクルを形成する冷却器で冷却された
冷気を強制的に冷凍室及びその他の冷却室に供給する送
風機と、前記その他の冷却室への前記冷気の供給量を制
御するダンパと、を備え、急速冷凍終了時に前記その他
の冷却室の温度が所定温度よりも一定温度高い場合には
前記その他の冷却室の設定温度を通常よりも一定温度低
く設定して、前記設定温度と比較して前記その他の冷却
室の現在の室温が高ければ、前記ダンパを開として前記
圧縮機及び前記送風機を一定時間運転させることを特徴
とするものである。
[Means for Solving the Problems] A control device for a refrigerator-freezer according to the present invention forcibly cools cold air cooled by a compressor and a cooler that forms a refrigeration cycle together with the compressor. And a damper for controlling the supply amount of the cold air to the other cooling chambers, and when the temperature of the other cooling chambers is higher than a predetermined temperature by a certain temperature at the end of quick freezing, If the set temperature of the other cooling chamber is set lower than the normal temperature by a certain temperature and the current room temperature of the other cooling chamber is higher than the set temperature, the damper and the blower are opened. It is characterized by operating for a certain period of time.

[作用] この発明における、冷凍冷蔵庫制御装置は、急速冷凍終
了時に冷蔵室とチルド室の庫内温度と各々に対応した設
定温度との温度差が一定温度以上あればその他の冷却室
の電動ダンパを開とした各々の設定温度を一定温度下げ
圧縮機及び送風機を一定時間運転させる。
[Operation] In the freezer-refrigerator control device according to the present invention, when the temperature difference between the internal temperature of the refrigerating room and the chilled room and the corresponding set temperature at the end of the quick freezing is equal to or higher than a certain temperature, the electric dampers of the other cooling rooms are provided. Each set temperature that was opened is lowered to a constant temperature and the compressor and the blower are operated for a certain time.

[実施例] この発明では、従来のものと異なる点はマイクロコンピ
ュータ(15a)に格納されているROM(15b)のプログラ
ムだけにありあとは、全て従来のものと同一の為説明は
省略する。
[Embodiment] The present invention is different from the conventional one only in the program of the ROM (15b) stored in the microcomputer (15a), and since the rest is the same as the conventional one, its explanation is omitted.

次に動作について第3図の概略フローチャートに従い説
明する。
Next, the operation will be described with reference to the schematic flowchart of FIG.

ここでは、SUB01とは急速冷凍終了時を示し、SUB02は通
常の場合を示す。まずステップ(200)では冷蔵室
(3)の庫内温度及びチルド室(4)の庫内温度に各々
対応した設定温度との温度差を検出し、何れかが例えば
4℃以上温度差がある場合にはステップ(201)へ進
み、ステップ(201)においてFEND1としてステップ
(202)へ進む。ステップ(202)において、FEND=1
であればステップ(203)へ進み、ステップ(203)にお
いて冷蔵室(3)の電動ダンパ(9)が閉となる温度を
例えば4℃低くして冷蔵室(3)の庫内温度と比較し、
冷蔵室の庫内温度の方が高ければ電動ダンパ(9)を開
としてステップ(207)へ進み、逆に低ければステップ
(204)へ進み、電動ダンパ(9)を閉じるとステップ
(205)へ進む。ステップ(205)において、冷蔵室
(3)と同様な判定をチルド室(4)について行いチル
ド室(4)の庫内温度が低ければステップ(206)へ進
み、ステップ(206)において電動ダンパ(10)を閉と
してステップ(208)へ進む。また逆にチルド室(4)
の庫内温度が高ければ電動ダンパ(10)を開としてステ
ップ(207)へ進み、ステップ(207)において、圧縮機
(6)、送風機(8)を運転し、ステップ(208)へ進
む。ステップ(208)において、RAM(15c)で構成され
るタイマー(TA)をカウントしてステップ(209)へ進
む。ステップ(209)において、タイマー(TA)のカウ
ントされた時間が一定時間経過したかを判定し、一定時
間経過したならばステップ(210)へ進みFEND←“0"と
してメインループへ戻る。
Here, SUB01 indicates the end of quick freezing, and SUB02 indicates the normal case. First, in step (200), a temperature difference between the internal temperature of the refrigerator compartment (3) and the set temperature corresponding to the internal temperature of the chilled compartment (4) is detected. In this case, the process proceeds to step (201), and in step (201), FEND1 is set and the process proceeds to step (202). In step (202), FEND = 1
If so, the process proceeds to step (203), and the temperature at which the electric damper (9) of the refrigerating compartment (3) is closed in step (203) is lowered by, for example, 4 ° C. and compared with the internal temperature of the refrigerating compartment (3). ,
If the temperature inside the refrigerating room is higher, the electric damper (9) is opened and the process proceeds to step (207). Conversely, if it is lower, the process proceeds to step (204), and when the electric damper (9) is closed, the process proceeds to step (205). move on. In step (205), the same judgment as in the refrigerating room (3) is performed for the chilled room (4), and if the internal temperature of the chilled room (4) is low, the process proceeds to step (206), and in step (206) the electric damper ( Close 10) and proceed to step (208). Conversely, the chilled room (4)
If the temperature in the refrigerator is high, the electric damper (10) is opened and the process proceeds to step (207). In step (207), the compressor (6) and the blower (8) are operated, and the process proceeds to step (208). In step (208), the timer (TA) composed of the RAM (15c) is counted, and the process proceeds to step (209). In step (209), it is determined whether the counted time of the timer (TA) has passed a fixed time, and if the fixed time has passed, the process proceeds to step (210) to return to the main loop with FEND ← “0”.

[発明の効果] この発明によれば、急速冷凍終了後必要なときに、冷蔵
室のようなその他の冷却室を素早く設定温度に近づけて
食品の劣化を低減できる効果を奏する。
[Effects of the Invention] According to the present invention, when it is necessary after the end of quick freezing, other cooling chambers such as a refrigerating chamber can be brought close to the set temperature quickly to reduce the deterioration of food.

【図面の簡単な説明】[Brief description of drawings]

第1図は冷凍冷蔵庫の縦断面図、第2図は同制御装置の
電気回路図、第3図はこの発明による冷凍冷蔵庫の制御
装置のフローチャート図、第4図は従来の冷凍冷蔵庫の
制御装置のフローチャート図である。 図において、(2)は冷凍室、(3)は冷蔵室、(4)
はチルド室(その他の冷却室)、(6)は圧縮機、
(7)は冷却器、(8)は送風機、(9),(10)は電
動ダンパ(ダンパ)、(15)は制御部(制御手段)であ
る。 なお、図中、同一符号は同一又は相当部分を示す。
FIG. 1 is a vertical sectional view of a refrigerator-freezer, FIG. 2 is an electric circuit diagram of the same controller, FIG. 3 is a flowchart of a controller for a refrigerator-freezer according to the present invention, and FIG. 4 is a controller for a conventional refrigerator-freezer. FIG. In the figure, (2) is a freezing room, (3) is a refrigerating room, and (4)
Is a chilled chamber (other cooling chamber), (6) is a compressor,
(7) is a cooler, (8) is a blower, (9) and (10) are electric dampers (dampers), and (15) is a controller (control means). In the drawings, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】圧縮機と、前記圧縮機と共に冷凍サイクル
を形成する冷却器で冷却された冷気を強制的に冷凍室及
びその他の冷却室に供給する送風機と、前記その他の冷
却室への前記冷気の供給量を制御するダンパと、を備
え、急速冷凍終了時に前記その他の冷却室の温度が所定
温度よりも一定温度高い場合には前記その他の冷却室の
設定温度を通常よりも一定温度低く設定して、前記設定
温度と比較して前記その他の冷却室の現在の室温が高け
れば、前記ダンパを開として前記圧縮機及び前記送風機
を一定時間運転させることを特徴とする冷却冷蔵庫の制
御装置。
1. A compressor, a blower for forcibly supplying cold air cooled by a cooler forming a refrigeration cycle together with the compressor to a freezing chamber and other cooling chambers, and to the other cooling chambers. A damper for controlling the supply amount of cold air is provided, and when the temperature of the other cooling chamber is higher than the predetermined temperature by a certain temperature at the end of the quick freezing, the set temperature of the other cooling chamber is lower than the normal temperature by a certain temperature. If the current room temperature of the other cooling chamber is higher than the set temperature by setting, the damper is opened to operate the compressor and the blower for a certain period of time. .
JP63242835A 1988-09-28 1988-09-28 Freezer-refrigerator controller Expired - Fee Related JPH0776665B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63242835A JPH0776665B2 (en) 1988-09-28 1988-09-28 Freezer-refrigerator controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63242835A JPH0776665B2 (en) 1988-09-28 1988-09-28 Freezer-refrigerator controller

Publications (2)

Publication Number Publication Date
JPH0289975A JPH0289975A (en) 1990-03-29
JPH0776665B2 true JPH0776665B2 (en) 1995-08-16

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ID=17095000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63242835A Expired - Fee Related JPH0776665B2 (en) 1988-09-28 1988-09-28 Freezer-refrigerator controller

Country Status (1)

Country Link
JP (1) JPH0776665B2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6291775A (en) * 1985-10-18 1987-04-27 株式会社日立製作所 Method of controlling temperature of refrigerator
JPS6317375A (en) * 1986-07-10 1988-01-25 三洋電機株式会社 Controller for refrigerator
JPH0650210B2 (en) * 1986-11-20 1994-06-29 株式会社富士通ゼネラル Refrigerator internal temperature control device
JPH01212882A (en) * 1988-02-19 1989-08-25 Fujitsu General Ltd Method of rapid refrigeration control for electric refrigerator

Also Published As

Publication number Publication date
JPH0289975A (en) 1990-03-29

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