JPH0979175A - Quantitative pump device for combinedly processing purifying tank - Google Patents

Quantitative pump device for combinedly processing purifying tank

Info

Publication number
JPH0979175A
JPH0979175A JP29321195A JP29321195A JPH0979175A JP H0979175 A JPH0979175 A JP H0979175A JP 29321195 A JP29321195 A JP 29321195A JP 29321195 A JP29321195 A JP 29321195A JP H0979175 A JPH0979175 A JP H0979175A
Authority
JP
Japan
Prior art keywords
tank
water level
pump
electric signal
pressure sensor
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
JP29321195A
Other languages
Japanese (ja)
Inventor
Makoto Nakada
誠 仲田
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.)
Tsurumi Manufacturing Co Ltd
Original Assignee
Tsurumi Manufacturing 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 Tsurumi Manufacturing Co Ltd filed Critical Tsurumi Manufacturing Co Ltd
Priority to JP29321195A priority Critical patent/JPH0979175A/en
Publication of JPH0979175A publication Critical patent/JPH0979175A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Treatment Of Biological Wastes In General (AREA)

Abstract

PROBLEM TO BE SOLVED: To inexpensively reduce a change in a water supply quantity by a water level change in an underwater pump installing tank by reducing rotating speed of a pump motor when the water level inside the underwater pump installing tank is high, and increasing rotating speed at the time of low water level, by an electric signal from a pressure sensor installed on a rear surface of an air introducing chamber. SOLUTION: A pump motor 3 is driven at rotating speed corresponding to a water level change in an underwater pump installing tank as a flow rate adjusting tank by receiving an electric signal from a microcomputer control circuit 4. A pressure sensor 14 of a gauge pressure type is installed on an under surface of an air introducing chamber 10 added to an outside part by being cut off from the inside of a motor chamber 7, and takes out a detecting water level in the underwater pump installing tank as an electric signal, and sends it to the microcomputer control circuit 4. The microcomputer control circuit 4 sends an electric signal to a pump driving device so as to reduce rotating speed of a pump motor 3 when the water level inside the underwater pump installing tank is high by phase control as well as to increase rotating speed of the pump motor 3 at the time of low water level by receiving an electric signal from the pressure sensor 14.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の技術分野】本発明は、合併処理浄化槽用定量性
ポンプ装置に関するものである。
TECHNICAL FIELD OF THE INVENTION The present invention relates to a quantitative pump device for a combined treatment septic tank.

【0002】[0002]

【従来技術とその問題点】周知のように、合併処理浄化
槽において高効率な浄化処理を実現するためには、処理
槽へ常に定量的に廃水を送り、処理槽の負荷を一定に保
たせることが不可欠な要件とされている。
2. Description of the Related Art As is well known, in order to realize highly efficient purification treatment in a combined treatment septic tank, it is necessary to constantly send wastewater quantitatively to the treatment tank to keep the load of the treatment tank constant. Is an essential requirement.

【0003】合併処理浄化槽では処理槽の前段に、家庭
から排出された生活廃水を一旦貯留するための流量調整
槽等と呼ばれる槽を設け、この槽から水中ポンプ等で処
理槽へ送水しているが、上記流量調整槽は家庭からの排
水量の変動により水位が常に変動し、その水位変動によ
り図5に示すようポンプの送水量も大幅に変動するた
め、処理槽へ定量的に廃水を送ることができなくなる。
In the combined treatment septic tank, a tank called a flow rate adjusting tank for temporarily storing domestic wastewater discharged from a home is provided in front of the processing tank, and water is sent from this tank to the processing tank by an underwater pump or the like. However, in the above flow rate adjustment tank, the water level constantly changes due to fluctuations in the amount of wastewater discharged from the household, and the fluctuations in the water level also cause large fluctuations in the amount of water sent by the pump. Therefore, quantitatively send wastewater to the treatment tank. Can not be.

【0004】送水量増大時における処理槽の負荷増を減
殺するための方策として図2に示すよう、流量調整槽2
aと処理槽1との間に計量槽と呼ばれる槽2bを設置し
て、過大な水量は流量調整槽2aへ返送するようなこと
も従来から行なわれているが、しかしそれでもポンプの
水量変動には対応しきれないのが現状であり、また、計
量槽2b等の設置による設備コストの増大も避けられな
い。
As shown in FIG. 2, the flow rate adjusting tank 2 is used as a measure for reducing the increase in the load on the processing tank when the amount of water supply is increased.
It has been conventionally practiced to install a tank 2b called a measuring tank between a and the processing tank 1 and to return an excessive amount of water to the flow rate adjusting tank 2a, but it still causes fluctuations in the water amount of the pump. The current situation is that it is not possible to cope with the situation, and an increase in equipment cost due to the installation of the measuring tank 2b and the like cannot be avoided.

【0005】[0005]

【発明の目的】本発明の目的は、合併処理浄化槽におい
て水中ポンプ設置槽から処理槽へ廃水を送水するにつ
き、計量槽等を必要とせずローコストに設備でき、水中
ポンプ設置槽内の水位変動による送水量の変化が少なく
て高効率な浄化処理の行なわれる定量性ポンプ装置を提
供することにある。
The object of the present invention is to provide waste water from a submersible pump installed tank to a treatment tank in a combined treatment septic tank, which does not require a measuring tank or the like and can be installed at a low cost, and which is due to fluctuations in water level in the submersible pump installed tank. An object of the present invention is to provide a quantitative pump device in which a highly efficient purification process is performed with a small change in the amount of water to be sent.

【0006】[0006]

【発明の構成】本発明に係る合併処理浄化槽用定量性ポ
ンプ装置においては、処理槽の前段槽として流量調整槽
等と呼称される水中ポンプ設置槽を有し、該設置槽内に
設置された水中ポンプのモーター室の外に付設した空気
導入室内へ大気導入用チューブの終端部を導入開口さ
せ、空気導入室の下面に前記設置槽内の水位を検知する
ゲージ圧タイプの圧力センサを装着し、該圧力センサか
らの電気信号を受けてポンプモータの回転数を減少さ
せ、低水位時にはポンプモータの回転数を増大させるこ
とにより、処理槽への送水量の変動巾が縮小されるよう
構成した。
The quantitative pump device for a combined treatment septic tank according to the present invention has a submersible pump installation tank called a flow rate adjustment tank or the like as a pre-stage tank of the processing tank, and is installed in the installation tank. The end of the air introduction tube is introduced and opened into the air introduction chamber attached to the outside of the motor chamber of the submersible pump, and a gauge pressure type pressure sensor that detects the water level in the installation tank is attached to the lower surface of the air introduction chamber. By changing the rotation speed of the pump motor in response to an electric signal from the pressure sensor and increasing the rotation speed of the pump motor when the water level is low, the fluctuation range of the amount of water supplied to the treatment tank is reduced. .

【0007】[0007]

【実施例】以下実施例の図面により説明をする。Embodiments will be described below with reference to the drawings of the embodiments.

【0008】図1において、1は廃水の浄化処理を行な
う処理槽、2は流量調整槽等と呼ばれる水中ポンプ設置
槽であって、家庭から排出された生活廃水を一旦貯留す
るため処理槽1の前段槽として設けられている。3は後
述するマイコン制御回路4からの電気信号を受けて水中
ポンプ設置槽2内の水位変動に対応する回転数で駆動さ
れるポンプモータ、5は水中ポンプ設置槽2内へ沈設せ
られポンプモータ3によって駆動される水中ポンプであ
って、その吸込口5aは水中ポンプ設置槽2内の水底面
近くに開口せられ、吐出口5bは上延されて処理槽1内
の上方部へ開口されている。
In FIG. 1, reference numeral 1 is a treatment tank for purifying wastewater, and 2 is a submersible pump installation tank called a flow rate adjusting tank or the like, which is used to temporarily store domestic wastewater discharged from homes. It is provided as a pre-stage tank. 3 is a pump motor which receives an electric signal from a microcomputer control circuit 4 which will be described later and is driven at a rotation speed corresponding to the water level fluctuation in the submersible pump installation tank 2, and 5 is a pump motor which is submerged in the submersible pump installation tank 2. In the submersible pump driven by 3, the suction port 5a is opened near the bottom of the water in the submersible pump installation tank 2, and the discharge port 5b is extended and opened to the upper part in the processing tank 1. There is.

【0009】図3において、6はモータ室7の上方に定
着されたヘッドカバー、8はモータ室8内からヘッドカ
バー6内へ貫通するモータ軸9の上端に付設された回転
数センサ、10はモータ室7内から遮断されて外側部に
付設せられた空気導入室、11は始端部を大気中へ開口
させた大気導入用チューブであって、ケーブル芯線12
‥‥12と共にキヤプタイヤ13で被覆せられ、終端部
は空気導入室10内へ導入開口されている。14は空気
導入室10の下面に装着されたゲージ圧タイプの圧力セ
ンサであって、水中ポンプ設置槽2内の検知水位を電気
信号として取り出し、そお電気信号をマイコン制御回路
4へ送るのである。コイコン制御回路4はヘッドカバー
6の内部または外部において圧力センサ14と回転数セ
ンサ8との間に介装されており、圧力センサ14からの
電気信号を受け、位相制御により水中ポンプ設置槽2内
が高水位時にはポンプモータ3の回転数を減少させ、低
水位時にはポンプモータ3の回転数を増大させる電気信
号としてポンプ駆動装置部へ送るのである。図6は処理
槽1内への送水の定量性を維持するに必要なポンプモー
タ3の回転数Nと、水中ポンプ設置槽2内の水深変化に
伴なう圧力センサ14の出力信号Vとの関係例を示して
いる。
In FIG. 3, 6 is a head cover fixed above the motor chamber 7, 8 is a rotation speed sensor attached to the upper end of a motor shaft 9 penetrating from the motor chamber 8 into the head cover 6, and 10 is a motor chamber. 7 is an air introducing chamber that is cut off from inside 7 and is attached to the outside, and 11 is an air introducing tube having a starting end opened to the atmosphere, and a cable core 12
12 is covered with a cap tire 13, and the end portion is introduced into the air introduction chamber 10. Reference numeral 14 denotes a gauge pressure type pressure sensor mounted on the lower surface of the air introducing chamber 10, which takes out the detected water level in the submersible pump installation tank 2 as an electric signal and sends the electric signal to the microcomputer control circuit 4. The coin control circuit 4 is interposed between the pressure sensor 14 and the rotation speed sensor 8 inside or outside the head cover 6, receives an electric signal from the pressure sensor 14, and controls the inside of the submersible pump installation tank 2 by phase control. When the water level is high, the rotation speed of the pump motor 3 is reduced, and when the water level is low, the rotation speed of the pump motor 3 is increased. FIG. 6 shows the number of rotations N of the pump motor 3 required to maintain the quantitativeness of the water sent into the treatment tank 1 and the output signal V of the pressure sensor 14 accompanying the change in the water depth in the submersible pump installation tank 2. An example of the relationship is shown.

【0010】[0010]

【作用】家庭からの生活廃水の排出量が多くて水中ポン
プ設置槽2内が高水位となったとき、圧力センサ14か
らの電気信号がマイコン制御回路4へ送られ、その水位
でのポンプ揚程に対応するようポンプモータ3の回転数
を減少させる電気信号がポンプ駆動装置部へ送られて水
中ポンプ5は低速回転となり、家庭からの生活廃水の排
出量が少なくて水中ポンプ設置槽2内が低水位となった
とき、ポンプモータ3の回転数を増大させる電気信号が
ポンプ駆動装置部へ送られて水中ポンプ5は高速回転と
なり、図4に示すよう水深変化に伴なう処理槽1内への
送水量の変動巾が著るしく縮小されることになる。
When a large amount of domestic wastewater is discharged from the household and the inside of the submersible pump installation tank 2 reaches a high water level, an electric signal from the pressure sensor 14 is sent to the microcomputer control circuit 4 and the pump head at that water level is sent. The electric signal for reducing the rotation speed of the pump motor 3 is sent to the pump drive device section so that the submersible pump 5 rotates at a low speed, and the discharge amount of domestic waste water from the home is small, and When the water level becomes low, an electric signal for increasing the number of rotations of the pump motor 3 is sent to the pump drive unit to rotate the submersible pump 5 at high speed, and as shown in FIG. The fluctuation range of the amount of water sent to the river will be significantly reduced.

【0011】[0011]

【発明の効果】本発明合併処理浄化槽用定量性ポンプ装
置によれば、水中ポンプ設置槽内の水位変動による送水
量の変化が少なくなり、処理槽の負荷を一定に保つこと
ができて高効率な浄化処理が行なわれ、従来のような計
量槽を必要とすることなくローコストに設備し得られる
のである。
EFFECTS OF THE INVENTION According to the quantitative pump device for a combined treatment septic tank of the present invention, the change in the amount of water sent due to the fluctuation of the water level in the tank in which the submersible pump is installed can be reduced, and the load of the processing tank can be kept constant, resulting in high efficiency. Therefore, it can be installed at low cost without the need for a conventional measuring tank.

【0012】また、本発明装置における水位検知手段と
してゲージ圧タイプの圧力センサが用いられているた
め、気圧による出力信号値の変動を生じることがなく正
確な制御が可能となる。そして圧力センサを装備した空
気導入室はモータ室から遮断された構造となっているた
め、モータ室内で発生する発熱・冷却と空気の膨張・収
縮に伴なう空気導入室内への湿気の侵入を来たすことが
なく、電気的な絶縁性を低下させることなく故障や誤作
動を生じ難いという利点がある。
Further, since the gauge pressure type pressure sensor is used as the water level detecting means in the apparatus of the present invention, the output signal value does not fluctuate due to atmospheric pressure, and accurate control is possible. Since the air introduction chamber equipped with the pressure sensor has a structure that is cut off from the motor chamber, heat generation / cooling generated in the motor chamber and the ingress of moisture into the air introduction chamber due to the expansion / contraction of air are prevented. There is an advantage that it does not come and the failure or malfunction does not easily occur without lowering the electrical insulation.

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

【図1】本発明定量性ポンプ装置を施した合併処理浄化
槽の構成図である。
FIG. 1 is a configuration diagram of a combined treatment septic tank provided with the quantitative pump device of the present invention.

【図2】従来の合併処理浄化槽の構成図である。FIG. 2 is a configuration diagram of a conventional combined treatment septic tank.

【図3】本発明定量性ポンプ装置を構成する水中ポンプ
の縦断側面図である。
FIG. 3 is a vertical sectional side view of a submersible pump that constitutes the quantitative pump device of the present invention.

【図4】本発明定量性ポンプ装置における水位変動と送
水量の関係を示す線図である。
FIG. 4 is a diagram showing a relationship between water level fluctuation and water supply amount in the quantitative pump device of the present invention.

【図5】従来のポンプ装置における水位変動と送水量の
関係を示す線図である。
FIG. 5 is a diagram showing a relationship between water level fluctuation and water supply amount in a conventional pump device.

【図6】処理槽内への送水の定量性を維持するに必要な
ポンプモータの回転数と、水中ポンプ設置槽内の水深変
化に伴なう圧力センサの出力信号との関係を示す線図で
ある。
FIG. 6 is a diagram showing the relationship between the rotation speed of the pump motor required to maintain the quantitativeness of the amount of water sent into the treatment tank and the output signal of the pressure sensor that accompanies a change in water depth in the submersible pump installation tank Is.

【図7】本発明定量性ポンプ装置における作動の流れを
示すフローチャートである。
FIG. 7 is a flowchart showing a flow of operation in the quantitative pump device of the present invention.

【符号の説明】[Explanation of symbols]

1 処理槽 2 水中ポンプ設置槽 3 ポンプモータ 4 マイコン制御回路 5 水中ポンプ 7 モータ室 8 回転数センサ 10 空気導入室 11 大気導入用チューブ 14 ゲージ圧タイプの圧力センサ 1 Processing tank 2 Submersible pump installation tank 3 Pump motor 4 Microcomputer control circuit 5 Submersible pump 7 Motor room 8 Rotation speed sensor 10 Air introduction chamber 11 Atmosphere introduction tube 14 Gauge pressure type pressure sensor

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】処理槽の前段槽として流量調整槽等と呼称
される水中ポンプ設置槽を有し、該設置槽内に設置され
た水中ポンプのモータ室の外に付設した空気導入室内へ
大気導入用チューブの終端部を導入開口させ、空気導入
室の下面に前記設置槽内の水位を検知するゲージ圧タイ
プの圧力センサを装着し、該圧力センサからの電気信号
を受けてポンプモータの回転数を変化させるマイコン制
御回路を圧力センサとポンプモータの回転数センサとの
間に介装し、水中ポンプ設置槽内が高水位時にはポンプ
モータの回転数を減少させ、低水位時にはポンプモータ
の回転数を増大させることにより、処理槽への送水量の
変動巾が縮小されるよう構成したことを特徴とする合併
処理浄化槽用定量性ポンプ。
1. A submersible pump installation tank, which is called a flow rate adjustment tank, is provided as a pre-stage tank of the processing tank, and the atmosphere is introduced into the air introduction chamber provided outside the motor chamber of the submersible pump installed in the installation tank. A gauge pressure type pressure sensor for detecting the water level in the installation tank is attached to the lower surface of the air introduction chamber by opening the terminal end of the introduction tube, and the pump motor is rotated by receiving an electric signal from the pressure sensor. A microcomputer control circuit that changes the number is installed between the pressure sensor and the rotation speed sensor of the pump motor to reduce the rotation speed of the pump motor when the water level inside the submersible pump installation tank is high and to rotate the pump motor when the water level is low. A quantitative pump for a combined treatment septic tank, characterized in that the fluctuation range of the amount of water sent to the processing tank is reduced by increasing the number.
JP29321195A 1995-09-07 1995-09-07 Quantitative pump device for combinedly processing purifying tank Pending JPH0979175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29321195A JPH0979175A (en) 1995-09-07 1995-09-07 Quantitative pump device for combinedly processing purifying tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29321195A JPH0979175A (en) 1995-09-07 1995-09-07 Quantitative pump device for combinedly processing purifying tank

Publications (1)

Publication Number Publication Date
JPH0979175A true JPH0979175A (en) 1997-03-25

Family

ID=17791868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29321195A Pending JPH0979175A (en) 1995-09-07 1995-09-07 Quantitative pump device for combinedly processing purifying tank

Country Status (1)

Country Link
JP (1) JPH0979175A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005188461A (en) * 2003-12-26 2005-07-14 Shin Meiwa Ind Co Ltd Submerged pump device
CN102345613A (en) * 2011-10-14 2012-02-08 戴宏岸 Angle mechanically-operated controller with built-in rotary blade
DE102015102714A1 (en) * 2015-02-25 2016-08-25 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Device for measuring a water level of a wastewater treatment plant
CN108374791A (en) * 2018-02-09 2018-08-07 江门市锐驱电子科技有限公司 A kind of diving method for controlling pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005188461A (en) * 2003-12-26 2005-07-14 Shin Meiwa Ind Co Ltd Submerged pump device
CN102345613A (en) * 2011-10-14 2012-02-08 戴宏岸 Angle mechanically-operated controller with built-in rotary blade
DE102015102714A1 (en) * 2015-02-25 2016-08-25 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Device for measuring a water level of a wastewater treatment plant
CN108374791A (en) * 2018-02-09 2018-08-07 江门市锐驱电子科技有限公司 A kind of diving method for controlling pump

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