JPS58125578A - Controller for hydraulic elevator - Google Patents

Controller for hydraulic elevator

Info

Publication number
JPS58125578A
JPS58125578A JP57003154A JP315482A JPS58125578A JP S58125578 A JPS58125578 A JP S58125578A JP 57003154 A JP57003154 A JP 57003154A JP 315482 A JP315482 A JP 315482A JP S58125578 A JPS58125578 A JP S58125578A
Authority
JP
Japan
Prior art keywords
hydraulic
oil
control device
car
mentioned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP57003154A
Other languages
Japanese (ja)
Inventor
森 鐐一
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 JP57003154A priority Critical patent/JPS58125578A/en
Publication of JPS58125578A publication Critical patent/JPS58125578A/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 この発t+11fi油圧エレベータを制御する装置の改
良に圓するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention is directed to an improvement of a device for controlling a t+11fi hydraulic elevator.

油圧エレベータはかごを油圧ジヤツキで昇降させるもの
で、この油圧ジヤツキには油圧制御装置が接続されてお
シ、その動作によって油圧ジヤツキ内のEI:、前が駒
整されて、かごの速度が制■される。したがって、かご
が大容量になると、油圧制御装置も大容量になるので、
小谷菫の制御装置を複数個用いるようにしたものがある
。その2台形のものを第1図に示す。
Hydraulic elevators use hydraulic jacks to raise and lower the car, and this hydraulic jack is connected to a hydraulic control device.Due to its operation, the EI and front parts of the hydraulic jack are adjusted to control the speed of the car. ■To be done. Therefore, when the car has a large capacity, the hydraulic control device also has a large capacity.
There is one that uses multiple Sumire Kotani control devices. The two trapezoidal shapes are shown in Figure 1.

図中、<1)はエレベータのかご、(2)はかと(1)
を上昇又は下降させる油圧ジヤツキ、(3)は油圧ジヤ
ツキ(2)に接続された管路、(4A)、(4B)は油
圧制御装置で、(5A)j(5B)はそれぞれ管路(3
)に接続され油圧ジヤツキ(2)内に出入する圧油の泥
倉を調整する流量制御装置、(6ム)、(6B)はそれ
ぞれ流童制御抜* (6A) + (5B)に接続され
単位時間の吐出量が等しい定容量形油圧ポンプ、(7A
)#(7B)はそれぞれ油圧ポンプ(6A) 、 (6
B)を駆動する油圧ポンプ用4!lh機、(8A)、(
8B)はそれぞれ流量制御装置(臥)、(5B)に接続
された排油管、(9A) 、 (9B)はそれぞれ排油
f (8A) +(8B)及び油圧ホ/プ(6A) 、
 (6B)に接続された油タンクである。
In the diagram, <1) is the elevator car, (2) is the height (1)
(3) is a pipe connected to the hydraulic jack (2), (4A) and (4B) are hydraulic control devices, and (5A) and (5B) are pipes connected to the hydraulic jack (2).
) is connected to the hydraulic jack (2), and the flow control device (6M) and (6B) are connected to the flow rate control device (6A) + (5B), respectively, to adjust the mud tank of pressure oil flowing in and out of the hydraulic jack (2). Constant displacement hydraulic pump with equal discharge volume per unit time (7A
) #(7B) are hydraulic pumps (6A) and (6
B) for the hydraulic pump that drives 4! lh machine, (8A), (
8B) are the oil drain pipes connected to the flow control device (wa) and (5B), respectively, (9A) and (9B) are the oil drain f (8A) + (8B) and the hydraulic pump (6A), respectively.
(6B) is an oil tank connected to.

すなわち、制御回路(図示しない)の動作により、電動
機(7A)、(7B)が起動して油圧ポンプて6A)(
6B)が駆動式れると、油タンク(9A)、(9B)内
の油は流電制御装置(5A)、(5B)及び管路(3)
を通って油圧ジヤツキ(2)へ送出され、かご(1)を
上昇させる。
That is, the electric motors (7A) and (7B) are activated by the operation of the control circuit (not shown), and the hydraulic pump 6A) (
6B) is driven, the oil in the oil tanks (9A) and (9B) will flow through the current control devices (5A) and (5B) and the pipe (3).
is sent through the hydraulic jack (2) to raise the car (1).

また、上記制御回路の動作により、流電制御装置(bg
 、(bn)を介して管路(3)から排油管(8A) 
、 (8B)への連通路が形成されると、油圧ジヤツキ
(2)内の油は油タンク(9A)#(9B)内へ戻され
るので、かご(1)は下降する。
In addition, the current control device (bg
, (bn) from the pipe (3) to the drain pipe (8A)
, (8B) is formed, the oil in the hydraulic jack (2) is returned to the oil tanks (9A) and (9B), and the car (1) descends.

さて、かご(1)を高速で上昇させるときは、油圧ポン
プ(6A) 、 (6B)から送出される全油量が油圧
ジヤツキ(2)に送出されているoしかし、保守運転等
の低速運転で上昇させるときには、油圧ポンプ(6A、
1j(6B)から送出される全油量の内の一部を、流j
li制御41装置(6A) ’、 (6B)により、排
油管(8A)、(日)を造じて油タンク(9A)、(9
B)へ戻すことにより、速度ヲ低くしている。そのため
、この油圧ポンプ(6A) 、 (6E)、流電制御装
置(5A)、(6B)及び排油管(8A)、(8B)を
通じて油タンク(9A) 、 (9B)に排出される油
量のエネルギは、すべて損失となっているOこの状態を
第2図に示す。
Now, when the car (1) is raised at high speed, the entire amount of oil sent from the hydraulic pumps (6A) and (6B) is sent to the hydraulic jack (2). When raising it with a hydraulic pump (6A,
A part of the total amount of oil sent from 1j (6B) is
Using the li control 41 device (6A)', (6B), create oil drain pipes (8A), (Ja) and oil tanks (9A), (9
By returning to B), the speed is lowered. Therefore, the amount of oil discharged to the oil tanks (9A), (9B) through the hydraulic pumps (6A), (6E), current control devices (5A), (6B), and oil drain pipes (8A), (8B). All of the energy is lost. This state is shown in Figure 2.

図中、O−’I’はかご(1)が上昇運転するときの起
動から停止までの時間、Ak′iI台の油圧ポンプ(6
A)により送出される全訛菫曲−で、この油t’kQ、
とする。Bはかと(1)が低速上昇運転するとき、1台
の流量制御装置IL(5A)から油圧ジヤツキ(2ンへ
送出される全流電曲線で、この油量をQ2とする。この
とき、斜縁で示された部分の油量=(Q、−Q2)のエ
ネルギが、油圧制御域filL(4A)の損失となり、
この2倍の油量= (2XQ1−2XQ2)が全損失と
なっている。
In the figure, O-'I' indicates the time from start to stop when the car (1) is in upward operation, and Ak'iI hydraulic pump (6
A) In the full accent melody sent out by A), this oil t'kQ,
shall be. When B-shaped (1) is operating at low speed, the total current curve is sent from one flow control device IL (5A) to the hydraulic jack (2), and this oil amount is defined as Q2.At this time, The energy of the oil amount = (Q, -Q2) in the part indicated by the beveled edge becomes a loss in the hydraulic control area filL (4A),
The total loss is twice this amount of oil = (2XQ1-2XQ2).

この発明は上記不具合を改良するもので低速運転時は、
複畝台の油圧制御装置の制御回路の内一部のものを切り
放して一部の油圧制御域fitを停止させることによシ
、油のエネルギ損失を減少させるようにした油圧エレベ
ータの制w4装置を提供することを目的とする。
This invention is intended to improve the above-mentioned problems, and when driving at low speed,
A control w4 device for a hydraulic elevator that reduces oil energy loss by disconnecting a part of the control circuit of a multi-ridge hydraulic control device and stopping a part of the hydraulic control area fit. The purpose is to provide

以下、第1図、第3図及び第4図によりこの発明の一実
施例をEi5!明する。
Hereinafter, one embodiment of this invention will be explained with reference to FIGS. 1, 3, and 4. I will clarify.

#I3曝及び第4図中、(+) 、 (−)は直流電源
、Doは低速運転指令回路、(lすは低速運転リレーで
、(lla)はその常閉接点、(12ム)は油圧制御域
& (4A)を制御する制御回路、(12B)は油圧制
御域d (4B)を制御する制#囲路、Cはかご(1)
が低速上昇運転するとき、流量制御装置(6ム)から油
圧ジヤツキ(2)へ送出される全流量曲線である0 次に、この実施例の動作を説明する。
In #I3 exposure and Figure 4, (+) and (-) are DC power supplies, Do is a low-speed operation command circuit, (l is a low-speed operation relay, (lla) is its normally closed contact, and (12) is a The control circuit that controls the hydraulic control area & (4A), (12B) is the control circuit that controls the hydraulic control area d (4B), and C is the cage (1).
0, which is the total flow rate curve sent from the flow rate control device (6m) to the hydraulic jack (2) when the pump is operating at a low speed in an ascending manner.Next, the operation of this embodiment will be explained.

平常時は、低速運転指令回路四は閉成しておらず、低速
運転リレー(1M)は消勢され、接点(ユla)は閉成
している。したがって、制御回路(12A)、(12B
)は共に動作し、油圧制御装置(4A)、(4B)によ
り流量制御か行われ、かご(1)は運転される。
In normal times, the low-speed operation command circuit 4 is not closed, the low-speed operation relay (1M) is deenergized, and the contact (Yula) is closed. Therefore, the control circuit (12A), (12B
) operate together, the flow rate is controlled by the hydraulic control devices (4A) and (4B), and the car (1) is operated.

次に、憬守運転切換スイッチ(図示しない)等の動作に
よシ、低速運転指令回路(1(Iが閉成すると、低速運
転リレー(11)は付勢され、接点(lla)は開放す
る。これで、制御回路(12B)は切り放されるので、
藺止制御111d瀘(4B)tl停止する。したがって
、低速運転に油圧fIIIl−装置(4A)たけで行わ
れることになる。このときの状−を第4図に示す。
Next, when the low-speed operation command circuit (1 (I) is closed, the low-speed operation relay (11) is energized and the contact (lla) is opened by the operation of the low-speed operation selector switch (not shown), etc. .The control circuit (12B) is now disconnected, so
Stopping control 111d filter (4B) tl is stopped. Therefore, low-speed operation is performed using only the hydraulic fIIIl-device (4A). The state at this time is shown in FIG.

すなわち、かご(1)は油圧制御装置(4A)だけで駆
動されるので、かご(1)の速度を油圧制御域fit(
4A)。
That is, since the car (1) is driven only by the hydraulic control device (4A), the speed of the car (1) is controlled by adjusting the hydraulic control range fit (
4A).

(4B)の2台で運転するときと同じにするために、油
圧制御装置(4A)から油圧ジヤツキ(2)へ送出され
る流電は曲線Cで示すものとなる。そして、その値は2
台の油圧制御装置(4ム)s(4B)で駆動したときに
1台から送出される油量Q2の2倍の油量(2×Q2)
が必歎となる。そして、このときの全エネルギ損失は、
油圧制御装置(4A)の油圧ポンプ(6A)で送出され
る全油量Q1と曲@Cで!211まれた油量の差(Q、
 −2X Q2)となる。これを従来の損失(2X Q
l−2X Q2)と比べると、その差=(2XQ1−2
X Q2) −(Ql−2XQ2) =Q1となり、1
台分の油圧制御装置の油量分だけ省エネルギ化すること
ができる0 実施例では、油圧制御装置(4A) 、(4B)を2台
からなるものとしたが、3台以上の場合でも適用可能で
める。
The current sent from the hydraulic control device (4A) to the hydraulic jack (2) is as shown by curve C in order to be the same as when operating with two units (4B). And its value is 2
The amount of oil (2 x Q2) is twice the amount of oil Q2 delivered from one unit when driven by two hydraulic control devices (4mm) s (4B)
is required. And the total energy loss at this time is
Total amount of oil delivered by the hydraulic pump (6A) of the hydraulic control device (4A) Q1 and song @C! 211Difference in oil amount (Q,
-2X Q2). This is the conventional loss (2X Q
l-2X Q2), the difference = (2XQ1-2
X Q2) - (Ql-2XQ2) = Q1, and 1
Energy saving can be achieved by the amount of oil in each hydraulic control device. In the example, the hydraulic control devices (4A) and (4B) are made up of two units, but this can also be applied in the case of three or more units. It's possible.

また、低速運転リレー(11)の代わりに、直砿スイン
テを用いて制御回路(xzn)を切シ放してもよいこと
は言うまでもない。
Moreover, it goes without saying that the control circuit (xzn) may be disconnected by using a straight wire in place of the low-speed operation relay (11).

以上説明したとおりこの発明では、油圧ジャン千にそれ
ぞれ定容量形油圧ポンプを有する複数台の油圧1tII
I御装置を接続してかごを運転する場合、低速運転時は
、複数台の内の一部の油圧制御装置を、制御回路を切り
放すことにより停止させ、残りの油圧制御装置によって
かごを運転するようにしたので、全体のエネルギ損失を
減少させるこtができる。
As explained above, in this invention, a plurality of hydraulic 1tII hydraulic pumps each having a fixed displacement hydraulic pump are installed in each hydraulic pump.
When operating a car with an I control device connected, during low-speed operation, some of the hydraulic control devices of the multiple units are stopped by disconnecting the control circuit, and the car is operated using the remaining hydraulic control devices. This makes it possible to reduce the overall energy loss.

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

I41図tま油圧エレベータの構成図、第2、図は従来
の油圧エレベータの制御装置で低速上昇運転したときの
流量曲線、第3図はこの発明による油圧エレベータの制
御装置の一夾施例を示す回路図、第4図は第3凶で低速
上昇運転したときの流重曲−である。 (1)・・かご、(2)・・・油圧ジヤツキ、(4A)
、(4B)・・・油圧制御1141装置、(6A)#(
6B)・・・定容蓋形油圧ポンプ、四・・低速運転指令
回路、(ll)・・・低速運転リレー、(12h) 、
 (12B) =−?bll 8回路なお、図中同一部
分は同一符号により示す。 代理人 為野信−(外1名) 第3図 第4図 5′J 、’ti”
Figure I41 is a block diagram of a hydraulic elevator, the second figure shows a flow rate curve when a conventional hydraulic elevator control device performs low-speed ascending operation, and the third figure shows an example of a hydraulic elevator control device according to the present invention. The circuit diagram shown in FIG. 4 shows the flow curve during low-speed ascending operation in the third stage. (1) Car, (2) Hydraulic jack, (4A)
, (4B)... Hydraulic control 1141 device, (6A) #(
6B)...Fixed volume lid type hydraulic pump, 4...Low speed operation command circuit, (ll)...Low speed operation relay, (12h),
(12B) =-? bll 8 circuit Note that the same parts in the figures are indicated by the same symbols. Agent Shin Tameno (1 other person) Figure 3 Figure 4 5'J, 'ti'

Claims (1)

【特許請求の範囲】[Claims] かごを昇降させる油圧ジヤツキにそれぞれ定容量形油圧
ポンプを有する複数台の油圧制御装置を接続し、これら
油圧制御装置をそれぞれ制御回路によって動作させて上
記油圧ポンプにより一定流菫の油を送出し、この油の内
上記かどの速度に対応する油を上記油圧ジヤツキに与え
他の油をタンクに戻すことにより上記かとを上昇運転す
るようにしたものにおいて、上記かどの低速運転時は複
数台の上記制御回路の内一部のものを切り放しそれに対
応する上記油圧制御装置の動作を停止させる回路を偏見
たことt−特徴とする油圧エレベータの制御装置。
A plurality of hydraulic control devices each having a constant displacement hydraulic pump are connected to a hydraulic jack for raising and lowering the car, and each of these hydraulic control devices is operated by a control circuit to send out a constant flow of oil by the hydraulic pump, The oil corresponding to the speed of the above-mentioned oil is given to the above-mentioned hydraulic jack, and the other oil is returned to the tank, so that the above-mentioned one is operated upwardly, and when the above-mentioned one is running at low speed, multiple of the above-mentioned A control device for a hydraulic elevator, characterized in that a part of the control circuit is cut off to stop the operation of the corresponding hydraulic control device.
JP57003154A 1982-01-12 1982-01-12 Controller for hydraulic elevator Pending JPS58125578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57003154A JPS58125578A (en) 1982-01-12 1982-01-12 Controller for hydraulic elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57003154A JPS58125578A (en) 1982-01-12 1982-01-12 Controller for hydraulic elevator

Publications (1)

Publication Number Publication Date
JPS58125578A true JPS58125578A (en) 1983-07-26

Family

ID=11549431

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57003154A Pending JPS58125578A (en) 1982-01-12 1982-01-12 Controller for hydraulic elevator

Country Status (1)

Country Link
JP (1) JPS58125578A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837849A (en) * 1971-09-17 1973-06-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837849A (en) * 1971-09-17 1973-06-04

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