JPH0728994B2 - Dehydrator - Google Patents

Dehydrator

Info

Publication number
JPH0728994B2
JPH0728994B2 JP60127386A JP12738685A JPH0728994B2 JP H0728994 B2 JPH0728994 B2 JP H0728994B2 JP 60127386 A JP60127386 A JP 60127386A JP 12738685 A JP12738685 A JP 12738685A JP H0728994 B2 JPH0728994 B2 JP H0728994B2
Authority
JP
Japan
Prior art keywords
motor
dehydration
braking
dehydration tank
period
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
Application number
JP60127386A
Other languages
Japanese (ja)
Other versions
JPS61284297A (en
Inventor
穂幸 村上
雅彦 前田
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP60127386A priority Critical patent/JPH0728994B2/en
Publication of JPS61284297A publication Critical patent/JPS61284297A/en
Publication of JPH0728994B2 publication Critical patent/JPH0728994B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【発明の詳細な説明】 (イ)産業上の利用分野 本発明は、脱水すすぎ工程を有する脱水機に関する。The present invention relates to a dehydrator having a dehydration rinsing step.

(ロ)従来の技術 この種の脱水機が出願人によって特願昭60−3840号とし
て提案されており、これを各図面に基づいて説明する。
(B) Conventional Technology A dehydrator of this type has been proposed by the applicant as Japanese Patent Application No. 60-3840, which will be described with reference to the drawings.

第3図に於いて、(1)は機枠(2)内に洗濯槽(3)
及び脱水受槽(4)を並設した二槽式洗濯機で、上後部
にコントロールボックス(5)を配設している。洗濯槽
(3)の内底部には山形の大径パルセータ(図示せず)
が配設されており、洗濯時には低速反転する。脱水受槽
(4)内には脱水槽(6)が配設されている。この脱水
槽(6)は周側面に脱水孔(7)…を穿設し、モータ回
転軸(8)に連結されて連続的な右回転による“脱水”
と、脱水−制動−停止(制動及び停止中に給水)のサイ
クルを繰返すことによる“脱水すすぎ”とを行なうもの
である。また、モータ(9)は機枠(2)の内底部に防
振スプリング(10)…により弾力的に取付けてあり、モ
ータ回転軸(8)は防振ゴム(11)によって弾力的に支
持してある。
In FIG. 3, (1) is a washing tub (3) in the machine casing (2).
A two-tub type washing machine in which the dehydration receiving tanks (4) are arranged side by side, and a control box (5) is arranged at the upper rear portion. A large pulsator with a large angle (not shown) is formed on the inner bottom of the washing tub (3).
Is provided and reverses at a low speed during washing. A dehydration tank (6) is arranged in the dehydration receiving tank (4). This dehydration tank (6) has dehydration holes (7) on its peripheral side surface, and is connected to a motor rotating shaft (8) to be continuously dehydrated by right rotation.
And "dehydration rinsing" by repeating the cycle of dehydration-braking-stopping (water supply during braking and stopping). The motor (9) is elastically attached to the inner bottom of the machine frame (2) by means of a vibration isolation spring (10), and the motor rotation shaft (8) is elastically supported by a vibration isolation rubber (11). There is.

(12)は脱水受槽(4)の上部開口に止められた上面板
で、脱水槽(6)の上部開口とほぼ同径で且つ上方から
対向する衣類投入口(13)を開設している。
(12) is a top plate which is fixed to the upper opening of the dehydration receiving tank (4), and has a clothes inlet (13) having substantially the same diameter as the upper opening of the dehydrating tank (6) and facing from above.

(14)はコントロールボックス(5)内で枢支されて衣
類投入口(13)を開閉する皿状の安全カバーで、底面に
多数の小孔(15)…を穿設しており、また衣類投入口
(13)内に深く凹んで脱水槽(6)の上部開口に接近し
ている。そして、図示しないが、この安全カバー(14)
の上方を脱水上蓋によって施蓋している。
(14) is a dish-shaped safety cover that is pivotally supported in the control box (5) to open and close the clothes inlet (13), and has a large number of small holes (15) ... It is deeply recessed in the charging port (13) and is close to the upper opening of the dehydration tank (6). And, although not shown, this safety cover (14)
The upper part of is covered with a dehydration top cover.

前記コントロールボックス(5)内には給水ホースの取
付口(16)に対して二連式切換電磁給水弁(17)を介し
て連通する洗濯水の供給路(18)とすすぎ水の供給路
(19)が設けてあり、供給路(18)は洗濯槽(3)内に
給水し、供給路(19)は安全カバーの側壁に臨んでカバ
ー内に給水する。
In the control box (5), a washing water supply passage (18) and a rinsing water supply passage (18) communicating with the attachment port (16) of the water supply hose via the dual switching electromagnetic water supply valve (17). 19) is provided, and the supply path (18) supplies water into the washing tub (3), and the supply path (19) faces the side wall of the safety cover to supply water into the cover.

而して、この洗濯機(1)は洗濯槽(3)内で洗い、ま
た必要によりすすぎを行ない、脱水受槽(4)内で脱水
すすぎと脱水を行なう。特に、脱水受槽(4)内での動
作について説明すると、まず通常の“脱水”はタイマを
時間設定することにより脱水槽(6)が1400rpm程度で
右回転し、遠心脱水を行なう。
Thus, the washing machine (1) is washed in the washing tub (3) and rinsed if necessary, and dehydrated rinse and dehydration are performed in the dehydration receiving tub (4). In particular, the operation in the dehydration receiving tank (4) will be described. First, in the normal "dehydration", the dehydration tank (6) is rotated clockwise at about 1400 rpm by setting a timer to perform centrifugal dehydration.

また、“脱水すすぎ”に於て、給水されたすすぎは供給
路(19)から凹んでいる安全カバー(14)内に連続的に
入れられ、そこから小孔(15)…等を通って脱水槽
(6)内に的確に落下する。脱水槽(6)内のすすぎ水
は直接槽内の上部の洗濯物に吸水されると共に、順次中
部に侵入し、吸水されていく。
Also, in the "dehydration rinse", the rinse that has been supplied is continuously put into the safety cover (14) that is recessed from the supply path (19), and from there, passes through the small holes (15) ... Precisely drop into the water tank (6). The rinse water in the dehydration tub (6) is directly absorbed by the laundry in the upper part of the tub, and then sequentially enters the middle part and is absorbed.

ここで、遠心力が加わると、洗濯物の中に吸収された水
は脱水孔(7)…を介して排出され、このように吸水と
脱水を数回繰返すことにより洗濯物中に含まれる洗剤液
が希釈され、所謂すすぎが行なわれる。
Here, when a centrifugal force is applied, the water absorbed in the laundry is discharged through the dehydration holes (7) ... By repeating the water absorption and dehydration several times in this way, the detergent contained in the laundry. The liquid is diluted and a so-called rinse is performed.

次に、第4図は前記コントロールボックス(5)の正面
図であり、(20)は仕上剤投入口、(21)は溢水水位調
節レバー、(22)は排水弁操作ボタンである。
Next, FIG. 4 is a front view of the control box (5), in which (20) is a finishing agent inlet, (21) is an overflow water level adjusting lever, and (22) is a drain valve operating button.

(23)は水流強度の切換を行なう水流切換スイッチ、
(24)は洗濯槽(3)側で通常行なわれるためすすぎ
を、注水しながらすすぎを行なう注水すすぎに切換える
スイッチ、(25)は回転翼及び給水の一時停止用スイッ
チ、(26)は洗濯槽(3)側での洗い・すすぎ時間設定
兼スタートスイッチ、(27)は脱水槽(6)側での脱水
すすぎ→脱水の自動コースのスタートスイッチ、(28)
は脱水時間設定兼スタートスイッチである。尚、各スイ
ッチには表示用発光ダイオード(29)〜(32)(以下LE
Dと称す)が付随している。
(23) is a water flow switch that switches the water flow intensity,
(24) is a switch for switching from rinsing to pouring rinsing, in which rinsing is normally performed on the side of the washing tub (3), rinsing while pouring water, (25) is a switch for temporarily stopping the rotor and water supply, and (26) is a washing tub Start switch for washing and rinsing time setting on (3) side, (27) Start switch for dehydration rinsing → dehydration rinsing on dehydration tank (6) side, (28)
Is a start switch for setting the dehydration time. Each switch has a display light-emitting diode (29) to (32) (hereinafter referred to as LE
Called D).

第5図はこの洗濯機の制御部のブロック回路図を示し、
(33)は制御部の中心となるマイクロコンピュータ、
(34)は洗い・すすぎ及び脱水時間や水流強度等を表示
するLED群より構成される表示回路、(35)は洗濯槽側
の水位検知スイッチ、(36)は脱水上蓋の開閉に連動す
る安全スイッチ、(37)は各スイッチ(23)〜(28)よ
り構成される操作部、(38)はブザー回路、(39)及び
(40)はモータ左右回転駆動回路、(41)は洗濯槽
(3)へ通じる給水弁(17a)の操作部、(42)は脱水
槽へ通じる給水弁(17b)の操作部、(43)は仕上剤投
入部、(44)は脱水槽(6)の回転の制動回路、(45)
は脱水モータ駆動回路、(46)はモータ電流検出回路で
ある。
FIG. 5 shows a block circuit diagram of the control unit of this washing machine,
(33) is the microcomputer that is the center of the control unit,
(34) is a display circuit composed of LED groups for displaying washing / rinsing / dewatering time, water flow intensity, etc., (35) is a water level detection switch on the washing tub side, and (36) is safety linked to opening / closing of the dehydration top lid. A switch, (37) is an operation unit including switches (23) to (28), (38) is a buzzer circuit, (39) and (40) are motor left and right rotation drive circuits, and (41) is a washing tub ( Operation part of water supply valve (17a) leading to 3), (42) operation part of water supply valve (17b) leading to dewatering tank, (43) finishing agent feeding part, (44) rotation of dewatering tank (6) Braking circuits, (45)
Is a dehydration motor drive circuit, and (46) is a motor current detection circuit.

前記マイクロコンピュータ(33)は、前記モータ電流検
出回路(46)からの信号を記憶している基準値と比較
し、この基準値との比較結果により洗濯物や脱水物(以
下負荷と称す)の量を検知する負荷量検知装置と、この
検知した負荷量に対して予め定められた時間に基づいて
工程時間を算出する演算装置を内蔵し、前記各種スイッ
チからの入力信号を受け、算出された工程時間に基づい
てモータ等の負荷の駆動を制御するものである。
The microcomputer (33) compares the signal from the motor current detection circuit (46) with a stored reference value, and compares the result of the comparison with the reference value to determine whether the laundry or the dehydrated product (hereinafter referred to as a load). A load amount detection device that detects the amount and a calculation device that calculates the process time based on a predetermined time for the detected load amount are built-in, and the input signals from the various switches are received and calculated. The drive of a load such as a motor is controlled based on the process time.

さて、前記すすぎ・脱水スイッチ(27)を操作すること
により脱水すすぎが行なわれるが、該スイッチ(27)を
一回押圧すると標準コース(前記脱水−制動(給水)−
停止(給水)のサイクルを4回→仕上剤投入→脱水3
分)、二回押圧すると念入りコース(前記サイクルを5
回→仕上剤投入→脱水3分)が実行され、三回押圧する
と取消しとなる。
By the way, dehydration rinsing is performed by operating the rinsing / dehydration switch (27). When the switch (27) is pressed once, the standard course (dehydration-braking (water supply)-
Stop (water supply) cycle 4 times → Add finishing agent → Dewatering 3
Minute), press twice to get a thorough course (5 cycles above)
The process is repeated: turning → finishing agent addition → dehydration 3 minutes), and pressing three times cancels.

そして、前記マイクロコンピュータ(33)は、前記モー
タ電流検出回路(46)からの信号を受け、負荷量のラン
ク(少量、軽量、中量、多量)を判定し、各負荷量ラン
クに応じて前記脱水、制動、停止の各時間を変更する。
Then, the microcomputer (33) receives the signal from the motor current detection circuit (46), determines the rank of the load amount (small amount, light weight, medium amount, large amount), and determines the load amount according to each load amount rank. Change the dehydration, braking, and stopping times.

然しながら、例えば負荷量ランクが中量である場合に於
いて、中量ランク内でも上限に近いものと下限に近いも
のとでは制動をかけてから静止に至るまでの時間が後者
の方が短くなる。
However, for example, in the case where the load level is medium, in the medium level rank, the time from braking to standstill becomes shorter for the ones closer to the upper limit and closer to the lower limit. .

従って、前記各ランクでの制動時間を前記上限に近いも
のを補う程の時間に設定すると、前記下限に近いものは
制動時間が経過する前のかなり早い段階で脱水槽(6)
が静止する。
Therefore, if the braking time in each rank is set to a time that complements the braking time close to the upper limit, the braking time in the dehydration tank (6) close to the lower limit can be reached at a fairly early stage before the braking time elapses.
Is stationary.

この場合、前記特願昭60−3840号のように、脱水時の脱
水槽の回転をモータ(9)への交流印加により行う一
方、制動時の脱水槽の制動をモータ(9)への直流印加
により行う構成においては、制動時間が経過するまで
は、例え早い段階で脱水槽(6)が静止しても、モータ
(9)への直流印加が継続され、電力が不所望に浪費さ
れ、またモータ(9)が不所望に温度上昇してしまう。
In this case, as in Japanese Patent Application No. 60-3840, rotation of the dehydration tank during dehydration is performed by applying an alternating current to the motor (9), while braking of the dehydration tank during braking is performed by applying a direct current to the motor (9). In the configuration of applying the voltage, until the braking time elapses, even if the dehydration tank (6) is stationary at an early stage, the direct current application to the motor (9) is continued and power is undesirably wasted. Further, the temperature of the motor (9) undesirably rises.

更に、制動に際しての給水は、脱水槽(6)が静止して
いても制動時間が経過するまで続行され、水が無駄に浪
費されてしまう。
Further, the water supply for braking is continued until the braking time elapses even if the dehydration tank (6) is stationary, and the water is wasted wastefully.

(ハ)発明が解決しようとする課題 本発明は、脱水槽の脱水回転期間(モータへ交流印加)
−制動期間(モータへ直流印加)−停止期間からなるサ
イクルを複数回繰り返すとともに、制動及び停止の各期
間に給水して脱水すすぎを実行する脱水機において、負
荷量に起因する、制動時の電力浪費、モータの温度上昇
及び水の浪費を抑制しようとするものである。
(C) Problem to be Solved by the Invention The present invention is directed to the dehydration rotation period of the dehydration tank (AC is applied to the motor).
-Braking period (DC application to the motor) -In a dehydrator that repeats a cycle consisting of a stop period a plurality of times, and performs dehydration rinsing by supplying water during each of the braking and stopping periods, the electric power during braking due to the load amount It is intended to suppress waste, increase in motor temperature and waste of water.

(ニ)課題を解決するための手段 本発明の脱水機は、脱水槽と、この脱水槽へ給水する給
水弁と、前記脱水槽を駆動する交流モータと、前記モー
タに交流電流を印加して前記脱水槽を回転させる交流印
加部と、前記モータに直流電流を印加して前記脱水槽を
制動する直流印加部と、前記モータに流れる電流を検出
するモータ電流検出装置と、前記脱水槽が回転する脱水
期間、前記脱水槽が制動する制動期間、前記脱水槽が停
止する停止期間からなるサイクルを複数回繰り返すよう
に、前記交流印加部及び直流印加部を制御するととも
に、前記制動期間において前記モータ電流検出装置の検
出信号の時間的変化がなくなった時点で、前記直流印加
部を制御して前記モータへの通電を停止し制動期間を終
了させ、更に、前記制動期間及び停止期間に、前記給水
弁を制御して前記脱水槽へ給水させるマイクロコンピュ
ータと、を備えたことを特徴とする。
(D) Means for Solving the Problems The dehydrator of the present invention includes a dehydration tank, a water supply valve for supplying water to the dehydration tank, an AC motor for driving the dehydration tank, and an AC current applied to the motor. An alternating current application unit that rotates the dehydration tank, a direct current application unit that applies a direct current to the motor to brake the dehydration tank, a motor current detection device that detects a current flowing through the motor, and the dehydration tank rotates. The AC applying unit and the DC applying unit are controlled to repeat a cycle of a dehydration period, a braking period in which the dehydration tank is braked, and a stop period in which the dehydration tank is stopped, and the motor is controlled in the braking period. When there is no temporal change in the detection signal of the current detection device, the DC application unit is controlled to stop energizing the motor to end the braking period, and further, the braking period and the stopping period. In addition, a microcomputer for controlling the water supply valve to supply water to the dehydration tank is provided.

(ホ)作用 脱水槽の脱水回転期間(モータへ交流印加)−制動期間
(モータへ直流印加)−停止期間からなるサイクルを複
数回繰り返すとともに、制動及び停止の各期間に給水し
て脱水すすぎを実行する構成において、制動期間のモー
タへの通電(直流印加)は、モータ電流検出信号の時間
的変化がなくなり脱水槽が制動により停止した時点で停
止し、制動期間終了となる。
(E) Action The cycle consisting of the dehydration rotation period of the dehydration tank (AC application to the motor) -braking period (DC application to the motor) -stopping period is repeated multiple times, and water is supplied during each of the braking and stopping periods to perform dehydration rinsing. In the configuration to be executed, the energization (DC application) to the motor during the braking period is stopped when the dehydration tank stops due to the braking because the motor current detection signal does not change with time, and the braking period ends.

(ヘ)実施例 本発明の実施例を第1図及び第2図に基づいて説明す
る。
(F) Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 and 2.

但し、従来例と同一の箇所は、同一符号を用い説明する
省略する。
However, the same parts as those of the conventional example are designated by the same reference numerals and will not be described.

第1図は、従来例で説明した二槽式洗濯機に採用したモ
ータ電流検出回路を示しており、同図中の(47)は脱水
時にモータ(9)に交流電流を印加するための双方向性
サイリスタ(交流印加部)、(48)は制動時にモータ
(9)に直流電流を印加するための整流回路(直流印加
部)であり、双方向性サイリスタ(49)とダイオード
(50)とから成る。
FIG. 1 shows a motor current detection circuit adopted in the two-tub type washing machine described in the conventional example. In the figure, (47) is both for applying an alternating current to the motor (9) during dehydration. The directional thyristor (AC applying unit), (48) is a rectifier circuit (DC applying unit) for applying a DC current to the motor (9) during braking, and includes a bidirectional thyristor (49) and a diode (50). Consists of.

而して、マイクロコンピュータ(33)は、脱水時に双方
向性サイリスタ(47)をONさせ、制動時には双方向性サ
イリスタ(49)をONさせる。
Thus, the microcomputer (33) turns on the bidirectional thyristor (47) during dehydration and turns on the bidirectional thyristor (49) during braking.

(51)はモータ(9)に流れる電流を検出するためのカ
レントトランスであり、このトランス(51)の二次側の
電圧を整流回路(52)及び平滑回路(58)を通し直流電
圧化し、検出信号VCTを得る。(54)は前記VCTを、マイ
クロコンピュータ(33)に入力するためのA−D変換回
路である。そして、前記トランス(51)、整流回路(5
2)及び平滑回路(58)にてモータ電流検出装置を構成
する。
(51) is a current transformer for detecting the current flowing through the motor (9), and the voltage on the secondary side of this transformer (51) is converted into a direct current voltage through a rectifying circuit (52) and a smoothing circuit (58), Obtain the detection signal V CT . (54) is an AD conversion circuit for inputting the V CT to the microcomputer (33). Then, the transformer (51) and the rectifier circuit (5
2) and the smoothing circuit (58) constitute a motor current detection device.

第2図は、前記検出信号VCTの特性を示し、図の通り、
制動時に於いて、VCTは制動開始直後からモータ(9)
の回転数が減少するに従って徐々に増加し、モータ
(9)が静止するとほぼ一定となる。
FIG. 2 shows the characteristic of the detection signal V CT , and as shown in FIG.
At the time of braking, V CT is the motor (9) immediately after the start of braking.
Gradually increases as the number of revolutions of the motor decreases, and becomes almost constant when the motor (9) stands still.

前記マイクロコンピュータ(33)は、微分回路等を用い
て、制動時に於ける前記VCTの変化率を逐次検出し、変
化率がほぼ零となった時点で、モータ(9)が静止した
と判断し、サイリスタ(49)をOFFして、モータ(9)
への通電を停止する。
The microcomputer (33) successively detects the rate of change of the V CT during braking by using a differentiating circuit or the like, and judges that the motor (9) has stopped when the rate of change becomes almost zero. Then turn off the thyristor (49) and turn on the motor (9).
Stop energizing to.

前記制動開始からモータ(9)静止に至るまでの時間
は、負荷量によって全て異なるものであり、以上の如く
本実施例では、あらゆる負荷量に対して最適の制動時間
を設定することができる。
The time from the start of the braking to the standstill of the motor (9) is all different depending on the load amount. As described above, in this embodiment, the optimum braking time can be set for all load amounts.

(ト)発明の効果 本発明の脱水機によれば、脱水槽の脱水回転期間(モー
タへ交流印加)−制動期間(モータへ直流印加)−停止
期間からなるサイクルを複数回繰り返すとともに、制動
及び停止の各期間に給水して脱水すすぎを実行する構成
において、制動期間のモータへの通電(直流印加)は、
モータ電流検出信号の時間的変化がなくなり脱水槽が制
動により停止した時点で停止し、制動期間終了となるも
のであり、従って、制動期間にて脱水槽が静止してもモ
ータへの通電が継続されるのが阻止され、電力が不所望
に浪費されたり、モータが不所望に温度上昇してしまう
のを抑制することができる。
(G) Effect of the Invention According to the dehydrator of the present invention, a cycle of dehydration rotation period (AC application to the motor) -braking period (DC application to the motor) -stop period of the dehydration tank is repeated a plurality of times, and braking and In the configuration in which water is supplied and water is rinsed during each stop period, energization (DC application) to the motor during the braking period is
The motor current detection signal does not change with time and the dehydration tub stops when braking stops, and the braking period ends. Therefore, even if the dehydration tub remains stationary during the braking period, the motor continues to be energized. Therefore, it is possible to prevent the electric power from being undesirably wasted, and the electric power from being undesirably wasted and the temperature of the motor from being undesirably increased.

これに加え、制動期間で脱水槽が停止すると、そこで制
動終了となるものであるから、負荷量に応じて制動期間
を適切に短くでき、制動に際しての給水量も負荷量に応
じて適切に抑制でき、水の浪費を阻止することができ
る。
In addition to this, when the dehydration tank stops during the braking period, the braking ends there, so the braking period can be shortened appropriately according to the load amount, and the water supply amount during braking is also appropriately suppressed according to the load amount. It is possible to prevent waste of water.

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

第1図は本発明の脱水機に於けるモータ電流検出回路
図、第2図はモータ電流検出装置からの検出信号の特性
図、第3図は従来例に於ける二槽式洗濯機の要部を断面
せる正面図、第4図は同じくコントロールボックスの正
面図、第5図は同じく制御部のブロック回路図である。 (6)…脱水槽、(9)…駆動モータ、(48)…整流回
路、(51)…カレントトランス、(52)…整流回路、
(53)…平滑回路、(以上(51)(52)(53)によりモ
ータ電流検出装置を構成する)
FIG. 1 is a motor current detection circuit diagram in the dehydrator of the present invention, FIG. 2 is a characteristic diagram of a detection signal from the motor current detection device, and FIG. 3 is a schematic view of a two-tub washing machine in a conventional example. FIG. 4 is a front view of the control box, and FIG. 5 is a block circuit diagram of the control unit. (6) ... dehydration tank, (9) ... driving motor, (48) ... rectifier circuit, (51) ... current transformer, (52) ... rectifier circuit,
(53) ... Smoothing circuit (The above (51) (52) (53) constitutes a motor current detection device)

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】脱水槽と、この脱水槽へ給水する給水弁
と、前記脱水槽を駆動する交流モータと、前記モータに
交流電流を印加して前記脱水槽を回転させる交流印加部
と、前記モータに直流電流を印加して前記脱水槽を制動
する直流印加部と、前記モータに流れる電流を検出する
モータ電流検出装置と、前記脱水槽が回転する脱水期
間、前記脱水槽が制動する制動期間、前記脱水槽が停止
する停止期間からなるサイクルを複数回繰り返すよう
に、前記交流印加部及び直流印加部を制御するととも
に、前記制動期間において前記モータ電流検出装置の検
出信号の時間的変化がなくなった時点で、前記直流印加
部を制御して前記モータへの通電を停止し制動期間を終
了させ、更に、前記制動期間及び停止期間に、前記給水
弁を制御して前記脱水槽へ給水させるマイクロコンピュ
ータと、を備えたことを特徴とする脱水機。
1. A dehydration tank, a water supply valve for supplying water to the dehydration tank, an AC motor for driving the dehydration tank, an AC applying section for applying an AC current to the motor to rotate the dehydration tank, A DC applying unit that applies a DC current to a motor to brake the dehydration tank, a motor current detection device that detects a current flowing through the motor, a dehydration period during which the dehydration tank rotates, and a braking period during which the dehydration tank brakes. , The AC applying unit and the DC applying unit are controlled so as to repeat a cycle consisting of a stop period in which the dehydration tank stops, and there is no temporal change in the detection signal of the motor current detection device during the braking period. At that time, the DC applying unit is controlled to stop energizing the motor to end the braking period, and further, the water supply valve is controlled to the dehydration tank during the braking period and the stopping period. Dewatering machine characterized by comprising a microcomputer for water.
JP60127386A 1985-06-12 1985-06-12 Dehydrator Expired - Lifetime JPH0728994B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60127386A JPH0728994B2 (en) 1985-06-12 1985-06-12 Dehydrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60127386A JPH0728994B2 (en) 1985-06-12 1985-06-12 Dehydrator

Publications (2)

Publication Number Publication Date
JPS61284297A JPS61284297A (en) 1986-12-15
JPH0728994B2 true JPH0728994B2 (en) 1995-04-05

Family

ID=14958706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60127386A Expired - Lifetime JPH0728994B2 (en) 1985-06-12 1985-06-12 Dehydrator

Country Status (1)

Country Link
JP (1) JPH0728994B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101819415A (en) * 2010-04-15 2010-09-01 陕西科技大学 Energy saving control method and control device of dehydrator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3398073B2 (en) * 1998-09-30 2003-04-21 三洋電機株式会社 Washing machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5729758U (en) * 1980-07-29 1982-02-16
DE3221718C2 (en) * 1982-06-09 1986-02-13 Metallgesellschaft Ag, 6000 Frankfurt Sealing cover for an electric separator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101819415A (en) * 2010-04-15 2010-09-01 陕西科技大学 Energy saving control method and control device of dehydrator

Also Published As

Publication number Publication date
JPS61284297A (en) 1986-12-15

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