WO2018196007A1 - 一种污水泵两泵控制线路 - Google Patents

一种污水泵两泵控制线路 Download PDF

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Publication number
WO2018196007A1
WO2018196007A1 PCT/CN2017/082621 CN2017082621W WO2018196007A1 WO 2018196007 A1 WO2018196007 A1 WO 2018196007A1 CN 2017082621 W CN2017082621 W CN 2017082621W WO 2018196007 A1 WO2018196007 A1 WO 2018196007A1
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Prior art keywords
switch
pump
contactor
selection switch
control circuit
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PCT/CN2017/082621
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English (en)
French (fr)
Inventor
李文杰
冉从华
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深圳市能源环保有限公司
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Priority to PCT/CN2017/082621 priority Critical patent/WO2018196007A1/zh
Publication of WO2018196007A1 publication Critical patent/WO2018196007A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems

Definitions

  • the invention relates to a sewage pump control line middle road, in particular to a sewage pump two pump control line.
  • the drainage device of the machine room usually consists of a set of drainage pumps and control devices.
  • the floating ball of the control device acts, the drainage pump is started to pump water, and the accumulated water is drained in time to ensure safety.
  • two sets of drainage devices are also arranged in the machine room, one of which is in a working state and the other is in a standby state, but the standby state of the unit needs to be manually started and stopped manually. Therefore, when the machine room is immersed and the working unit fails to drain normally, and the staff fails to start the standby water pump in time, the problem of the flooding machine room will largely occur.
  • Chinese Patent Publication No. CN104131969A a sewage pump control device and CN104131970A sewage pump control circuit, discloses a technical scheme for sewage discharge, using two sets of sewage pump units, one set of water pump units and another set of units for standby, when working units When a fault occurs, the standby unit is automatically put into operation, thereby avoiding the problem that the standby pump cannot be automatically put into operation due to the failure of the working unit.
  • the disadvantage of this technical solution is that only one unit can always be put into operation. When the water in the engine room is in a small amount of water, a set of units can be put into operation to meet the requirements, but the problem is that when the water in the machine room is very serious, a set of units often cannot meet the drainage requirements.
  • the present invention provides a two-pump control circuit for a sewage pump, which controls two sets of drainage pump units, and correspondingly sets a liquid level switch for each drainage pump unit and sets different control liquid levels for each liquid level switch.
  • the flooding height is different, the number of units that start the drainage is different.
  • the first unit is put into operation.
  • the water level of the equipment room reaches a higher second height, the first unit and the first unit The second unit is put into operation at the same time; the number of pumps that need to be started can be automatically controlled according to the height of the water flooding in the machine room.
  • the technical solution proposed by the present invention is to provide a sewage pump two pump control circuit, including a No. 1 pump main circuit and a No. 2 pump main circuit, and a No. 1 pump control circuit and a No. 2 pump control circuit.
  • the feature is that
  • the main circuit of the No. 1 pump comprises: the three-phase power supply is sequentially connected to the No. 1 pump motor M1 after passing through the circuit breaker QF1 and the AC contactor KM1;
  • the main circuit of the No. 2 pump comprises: the three-phase power supply is sequentially connected to the No. 2 pump motor M2 through the circuit breaker QF2 and the AC contactor KM2;
  • the No. 1 pump control circuit comprises:
  • the start switch of the air switch QK, the control circuit fuse FR, the selection switch BK1, the liquid level switch YK1, the stop button SA2, and the AC contactor KM1 are connected in series to form an automatic control circuit of the No. 1 pump, and the selection switch BK1 is 1 3 contact is turned on, the power line L enters from the air switch QK, and finally enters the neutral line L through the start relay of the AC contactor KM1;
  • the air switch QK, the control loop fuse FR, the selection switch BK1, the liquid level switch YK1, the AC contactor KM1 start relay contact KM1-2, the selection switch BK2, the alarm relay BJ1, the DCS alarm system are connected in series to form 1 No. pump automatic alarm circuit, the 1 and 3 contacts of the selection switch BK1 are turned on, the contacts 1 and 3 of the selection switch BK2 are turned on, the power line L enters from the air switch QK, and finally accesses through the DCS alarm system.
  • Zero line N wherein the alarm is activated when the contacts 1 and 3 of the selection switch BK2 are turned on, and the alarm is cancelled when the switch BK2 is turned to the 2 and 4 contacts;
  • the start switch of the air switch QK, the control circuit fuse FR, the selection switch BK1, the start button SA1, the stop button SA2, and the AC contactor KM1 constitute a manual control circuit of the No. 1 pump, and the selection switch BK1 2 4 contacts are turned on, the power line L enters from the air switch QK, and finally enters the neutral line N through the start relay of the AC contactor KM1;
  • the air switch QK, the control circuit fuse FR, the selection switch BK1, the AC contactor KM1 start relay KM1-1, the stop button SA2, the AC contactor KM1 start relay are connected in series to form a manual self-holding circuit of the No. 1 pump.
  • the 2, 4 contacts of the selection switch BK1 are turned on, the power line L enters from the air switch QK, and finally enters the neutral line N through the start relay of the AC contactor KM1;
  • the BJ1 and DCS alarm systems are connected in series to form the No. 1 pump alarm test circuit; the power line L enters from the air switch QK, and finally enters the neutral line N via the DCS alarm system, and the 2 and 4 contacts of the selection switch BK1 are turned on; Selecting the switches 1 and 3 of the switch BK2 to turn on the alarm, and cancel the alarm when the switch BK2 is turned to the 2 and 4 contacts;
  • the No. 2 pump control circuit includes:
  • the start switch of the air switch QK, the control circuit fuse FR, the selection switch BK3, the liquid level switch YK2, the stop button SA4, and the AC contactor KM2 are connected in series to form an automatic control circuit of the No. 2 pump, and the selection switch BK3 is 1 3 contact is turned on, the power line L enters from the air switch QK, and finally enters the neutral line N through the start relay of the AC contactor KM2;
  • the air switch QK, the control circuit fuse FR, the selection switch BK3, the liquid level switch YK2, the AC contactor KM2, the start relay contact KM2-2, the selection switch BK4, the alarm relay BJ2, the DCS alarm system are connected in series 2 No. pump automatic alarm circuit, the 1 and 3 contacts of the selection switch BK3 are turned on, the contacts 1 and 3 of the selection switch BK4 are turned on, the power line L enters from the air switch QK, and finally accesses through the DCS alarm system.
  • Zero line N wherein the alarm is activated when the 1 and 3 contacts of the selection switch BK4 are turned on, and the alarm is cancelled when the switch BK4 is turned to the 2 and 4 contacts;
  • the start switch of the air switch QK, the control circuit fuse FR, the selection switch BK3, the start button SA3, the stop button SA4, and the AC contactor KM2 constitute a manual control circuit of the No. 2 pump, and the selection switch BK3 2 4 contacts are turned on, the power line L is from The air switch QK enters and finally enters the neutral line N through the start relay of the AC contactor KM2;
  • the air relay QK, the control circuit fuse FR, the selection switch BK3, the AC contactor KM2 start relay KM2-1, the stop button SA4, the AC contactor KM2 start relays are connected in series to form a manual self-holding circuit of the No. 1 pump.
  • the 2, 4 contacts of the selection switch BK3 are turned on, the power line L enters from the air switch QK, and finally enters the neutral line N through the start relay of the AC contactor KM1;
  • the BJ1 and DCS alarm systems are connected in series to form the No. 2 pump alarm test circuit; the power line L enters from the air switch QK, and finally enters the neutral line N via the DCS alarm system, and the 2 and 4 contacts of the selection switch BK3 are turned on; Selecting the switches 1 and 3 of the switch BK4 to turn on the alarm, and cancel the alarm when the switch BK4 is turned to the 2 and 4 contacts;
  • the control liquid level of the liquid level switch YK2 is higher than the control liquid level of the liquid level switch YK1.
  • the present invention provides a two-pump control circuit for a sewage pump, correspondingly setting a liquid level switch for each set of drainage pump units and setting different control liquid levels for the two liquid level switches, when the water flooding height is different
  • the number of pump units that start the drainage is different.
  • the first unit is put into operation.
  • the first unit and the second unit are simultaneously Putting into operation can effectively solve the problem that one pump can not meet the requirements when the water leakage is serious.
  • FIG. 1 to 3 are schematic diagrams of electrical control according to an embodiment of the present invention.
  • FIG. 1 is a schematic diagram of a main circuit structure principle
  • FIG. 2 is a schematic diagram of a control circuit structure principle
  • FIG. 3 is a schematic diagram of a selection switch contact amplification structure.
  • FIG. 1 to 3 are schematic diagrams of electrical control according to an embodiment of the present invention.
  • FIG. 1 is a schematic diagram of a main circuit structure principle
  • FIG. 2 is a schematic diagram of a control circuit structure principle
  • FIG. 3 is a schematic diagram of a selection switch contact amplification structure.
  • the figure shows that, in this example, the present invention proposes a two-pump control circuit for a sewage pump, including a No. 1 pump main circuit and a No. 2 pump main circuit, and a No. 1 pump control circuit and a No. 2 pump control circuit.
  • Figure 1 shows that the main circuit of No. 1 pump includes: the three-phase power supply is sequentially connected to the No. 1 pump motor M1 through the circuit breaker QF1 and the AC contactor KM1; the main circuit of the No. 2 pump includes: the three-phase power supply is sequentially passed through the circuit breaker QF2 After the AC contactor KM2, it is connected to the No. 2 pump motor M2.
  • No. 1 pump control circuit includes:
  • the start switch of the air switch QK, the control circuit fuse FR, the selection switch BK1, the liquid level switch YK1, the stop button SA2, and the AC contactor KM1 are connected in series to form an automatic control circuit of the No. 1 pump, and the selection switch BK1 is 1 3 contact is turned on, the power line L enters from the air switch QK, and finally enters the neutral line L through the start relay of the AC contactor KM1;
  • the air switch QK, the control loop fuse FR, the selection switch BK1, the liquid level switch YK1, the AC contactor KM1 start relay contact KM1-2, the selection switch BK2, the alarm relay BJ1, the DCS alarm system are connected in series to form 1 No. pump automatic alarm circuit, said selection
  • the contacts 1 and 3 of the switch BK1 are turned on, the contacts 1 and 3 of the selection switch BK2 are turned on, the power line L enters from the air switch QK, and finally enters the neutral line N via the DCS alarm system; wherein, the selection switch When the 1 and 3 contacts of BK2 are turned on, the alarm is activated, and when the switch BK2 is turned to the 2nd and 4th contacts, the alarm is cancelled;
  • the start switch of the air switch QK, the control circuit fuse FR, the selection switch BK1, the start button SA1, the stop button SA2, and the AC contactor KM1 constitute a manual control circuit of the No. 1 pump, and the selection switch BK1 2 4 contacts are turned on, the power line L enters from the air switch QK, and finally enters the neutral line N through the start relay of the AC contactor KM1;
  • the air switch QK, the control circuit fuse FR, the selection switch BK1, the AC contactor KM1 start relay KM1-1, the stop button SA2, the AC contactor KM1 start relay are connected in series to form a manual self-holding circuit of the No. 1 pump.
  • the 2, 4 contacts of the selection switch BK1 are turned on, the power line L enters from the air switch QK, and finally enters the neutral line N through the start relay of the AC contactor KM1;
  • the BJ1 and DCS alarm systems are connected in series to form the No. 1 pump alarm test circuit; the power line L enters from the air switch QK, and finally enters the neutral line N via the DCS alarm system, and the 2 and 4 contacts of the selection switch BK1 are turned on; Selecting the switches 1 and 3 of the switch BK2 to turn on the alarm, and cancel the alarm when the switch BK2 is turned to the 2 and 4 contacts;
  • the No. 2 pump control circuit includes:
  • the start switch of the air switch QK, the control circuit fuse FR, the selection switch BK3, the liquid level switch YK2, the stop button SA4, and the AC contactor KM2 are connected in series to form an automatic control circuit of the No. 2 pump, and the selection switch BK3 is 1 3 contact is turned on, the power line L enters from the air switch QK, and finally enters the neutral line N through the start relay of the AC contactor KM2;
  • the air switch QK, the control circuit fuse FR, the selection switch BK3, the liquid level switch YK2, the AC contactor KM2, the start relay contact KM2-2, the selection switch BK4, the alarm relay BJ2, the DCS alarm system are connected in series 2 No. pump automatic alarm circuit, the 1 and 3 contacts of the selection switch BK3 are turned on, the contacts 1 and 3 of the selection switch BK4 are turned on, the power line L enters from the air switch QK, and finally accesses through the DCS alarm system.
  • Zero line N wherein the alarm is activated when the 1 and 3 contacts of the selection switch BK4 are turned on, and the alarm is cancelled when the switch BK4 is turned to the 2 and 4 contacts;
  • the start switch of the air switch QK, the control circuit fuse FR, the selection switch BK3, the start button SA3, the stop button SA4, and the AC contactor KM2 constitute a manual control circuit of the No. 2 pump, and the selection switch BK3 2 4 contacts are turned on, the power line L enters from the air switch QK, and finally enters the neutral line N through the start relay of the AC contactor KM2;
  • the air relay QK, the control circuit fuse FR, the selection switch BK3, the AC contactor KM2 start relay KM2-1, the stop button SA4, the AC contactor KM2 start relays are connected in series to form a manual self-holding circuit of the No. 1 pump.
  • the 2, 4 contacts of the selection switch BK3 are turned on, the power line L enters from the air switch QK, and finally enters the neutral line N through the start relay of the AC contactor KM1;
  • the air switch QK, the control circuit fuse FR, the selection switch BK3, the start contact relay KM2-1 of the AC contactor KM2, AC contactor KM2 start relay contact KM2-2, selection switch BK4, alarm relay BJ1, DCS alarm system are connected in series to form the No. 2 pump alarm test circuit; the power line L enters from the air switch QK, and finally passes through the DCS alarm system.
  • Line N the 2, 4 contacts of the selection switch BK3 are turned on; wherein, the contacts 1 and 3 of the selection switch BK4 are turned on to activate the alarm, and the selection switch BK4 is turned to the 2, 4 contacts to cancel the alarm.
  • the control liquid level of the liquid level switch YK2 is higher than the control liquid level of the liquid level switch YK1.
  • the invention suggests that in other embodiments, three sets of drainage pump units can be provided and three liquid level switches are provided correspondingly, the control heights of the respective liquid level switches are different, and correspondingly, three sets of main circuits are arranged in the control box and 3 sets of control circuits.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

一种污水泵两泵控制线路，它控制两套排水泵机组，针对每套排水泵机组对应地设置液位开关并且为各个液位开关设置不同的控制液位，当机房水淹达到第一液位高度，第一机组投入运行，当机房水淹高度达到更高的第二高度时，第一机组、第二机组同时投入运行，还可以设置三套水泵并相应地设置三个液位开关，当水淹高度达到更高的第三高度时，将有三台水泵同时运行，以此类推。可以根据机房水淹的高度自动控制需要启动水泵的数量。可以有效地解决只能一套水泵机组投入运行的问题，确保当机房出现小量漏水时，有一台排水泵投入运行，而当机房出现严重漏水的情况下，水淹高度更高的情况下，有多台排水泵可以同时投入运行。

Description

一种污水泵两泵控制线路 技术领域
本发明涉及一种污水泵控制线中路，尤其涉及一种污水泵两泵控制线路。
背景技术
现今，随着城市化建设的不断加快，考虑到下雨天和设备发生意外可能造成水淹的问题，为了确保安全，很多地下机房、泵房或其它场所等都需要设置排水装置。现有技术中，通常机房的排水装置由一套排水泵和控制装置组成，当发生水淹时，控制装置的浮球动作，启动排水泵抽水，及时将积水排走确保安全。现有技术中，也有在机房里面设置两套排水装置的，其中一套处于工作状态而另一套处于备用状态，但备用状态的机组需人工手动启停。因此，当机房出现浸时而工作机组发生故障不能正常排水、而此时工作人员又未能及时启动备用水泵，则很大程度上会发生水淹机房的问题。
中国专利公开号CN104131969A一种排污泵控制装置及CN104131970A排污泵控制线路，公开了一种排污的技术方案，采用两套排污水泵机组，一套水泵机组工作而另一套机组备用，当工作的机组发生故障时，备用机组自动投入运行，从而避免因工作机组故障而备用泵不能自动投入运行的问题。但是，该技术方案的缺点是，始终只能有一套机组投入运行。当机房进水处于小进水量的情况下，一套机组投入运行可以满足要求，但问题是，当机房进水很严重时，一套机组往往不能满足排水要求。
发明内容
为了解决以上问题，本发明提出一种污水泵两泵控制线路，它控制两套排水泵机组，针对每个排水泵机组对应地设置液位开关且为各个液位开关设置不同的控制液位，当水淹高度不同时，启动排水的机组数量不同，当机房水淹达到第一液位高度，第一机组投入运行，当机房水淹高度达到更高的第二高度时，第一机组、第二机组同时投入运行；可以根据机房水淹的高度自动控制需要启动的水泵数量。可以有效地解决现有技术只能一套水泵机组投入运行的问题，确保当机房出现小量漏水时，有一台排水泵投入运行，而当机房出现严重漏水的情况下，水淹高度更高的情况下，则有多台排水泵可以同时投入运行。
本发明解决技术问题所提出的技术方案是，本发明提出一种污水泵两泵控制线路，包括1号泵主电路和2号泵主电路以及1号泵控制电路和2号泵控制电路，其特征是，
所述1号泵主电路包括：三相电源依次经断路器QF1、交流接触器KM1之后接入到1号泵电机M1；
所述2号泵主电路包括：三相电源依次经断路器QF2、交流接触器KM2之后接入到2号泵电机M2；
所述1号泵控制电路包括：
第一、由空气开关QK、控制回路熔断器FR、选择开关BK1、液位开关YK1、停止按钮SA2、交流接触器KM1的启动继电器串联构成1号泵自动控制回路，所述选择开关BK1的1、3触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线L；
第二、由空气开关QK、控制回路熔断器FR、选择开关BK1、液位开关YK1、交流接触器KM1的启动继电器触点KM1-2、选择开关BK2、报警继电器BJ1、DCS报警系统串联构成1号泵自动报警回路，所述选择开关BK1的1、3触点导通，所述选择开关BK2的1、3触点导通，电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N；其中，选择开关BK2的1、3触点导通时启动报警，选择开关BK2转至2、4触点时取消报警；
第三、由空气开关QK、控制回路熔断器FR、选择开关BK1、启动按钮SA1、停止按钮SA2、交流接触器KM1的启动继电器串联构成1号泵手动控制回路，所述选择开关BK1的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线N；
第四、由空气开关QK、控制回路熔断器FR、选择开关BK1、交流接触器KM1启动继电器KM1-1、停止按钮SA2、交流接触器KM1的启动继电器串联构成1号泵手动自保持回路，所述选择开关BK1的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线N；
第五、由空气开关QK、控制回路熔断器FR、选择开关BK1、交流接触器KM1的启动继电器触点KM1-1、交流接触器KM1的启动继电器触点KM1-2、选择开关BK2、报警继电器BJ1、DCS报警系统串联构成1号泵报警测试回路；电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N，所述选择开关BK1的2、4触点导通；其中，选择开关BK2的1、3触点导通启动报警，选择开关BK2转至2、4触点时取消报警；
所述2号泵控制电路包括：
第一、由空气开关QK、控制回路熔断器FR、选择开关BK3、液位开关YK2、停止按钮SA4、交流接触器KM2的启动继电器串联构成2号泵自动控制回路，所述选择开关BK3的1、3触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM2的启动继电器接入零线N；
第二、由空气开关QK、控制回路熔断器FR、选择开关BK3、液位开关YK2、交流接触器KM2的启动继电器触点KM2-2、选择开关BK4、报警继电器BJ2、DCS报警系统串联构成2号泵自动报警回路，所述选择开关BK3的1、3触点导通，所述选择开关BK4的1、3触点导通，电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N；其中，选择开关BK4的1、3触点导通时启动报警，选择开关BK4转至2、4触点时取消报警；
第三、由空气开关QK、控制回路熔断器FR、选择开关BK3、启动按钮SA3、停止按钮SA4、交流接触器KM2的启动继电器串联构成2号泵手动控制回路，所述选择开关BK3的2、4触点导通，电源火线L从 空气开关QK进入、最后经交流接触器KM2的启动继电器接入零线N；
第四、由空气开关QK、控制回路熔断器FR、选择开关BK3、交流接触器KM2启动继电器KM2-1、停止按钮SA4、交流接触器KM2的启动继电器串联构成1号泵手动自保持回路，所述选择开关BK3的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线N；
第五、由空气开关QK、控制回路熔断器FR、选择开关BK3、交流接触器KM2的启动继电器触点KM2-1、交流接触器KM2的启动继电器触点KM2-2、选择开关BK4、报警继电器BJ1、DCS报警系统串联构成2号泵报警测试回路；电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N,所述选择开关BK3的2、4触点导通；其中，选择开关BK4的1、3触点导通启动报警，选择开关BK4转至2、4触点时取消报警；
所述液位开关YK2的控制液位高于液位开关YK1的控制液位。
本发明的有益效果：本发明提出一种污水泵两泵控制线路，针对每套排水泵机组对应地设置液位开关且为两个液位开关设置不同的控制液位，当水淹高度不同时，启动排水的水泵机组数量不同，当机房水淹达到第一液位高度，第一机组投入运行，当机房水淹高度达到更高的第二液位高度时，第一机组、第二机组同时投入运行，可以有效解决当漏水严重时一台水泵排水不能满足要求的问题。
附图说明：
图1-图3为本发明一个实施例的电气控制原理图，其中，图1为主电路结构原理示意图，图2为控制电路结构原理示意图，图3为选择开关触点放大结构示意图。
具体实施方式
图1-图3为本发明一个实施例的电气控制原理图，其中，图1为主电路结构原理示意图，图2为控制电路结构原理示意图，图3为选择开关触点放大结构示意图。
图中显示，本例中，本发明提出一种污水泵两泵控制线路，包括1号泵主电路和2号泵主电路以及1号泵控制电路和2号泵控制电路。
图1中显示，1号泵主电路包括：三相电源依次经断路器QF1、交流接触器KM1之后接入到1号泵电机M1；2号泵主电路包括：三相电源依次经断路器QF2、交流接触器KM2之后接入到2号泵电机M2。
图2、图3显示，所述1号泵控制电路包括：
第一、由空气开关QK、控制回路熔断器FR、选择开关BK1、液位开关YK1、停止按钮SA2、交流接触器KM1的启动继电器串联构成1号泵自动控制回路，所述选择开关BK1的1、3触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线L；
第二、由空气开关QK、控制回路熔断器FR、选择开关BK1、液位开关YK1、交流接触器KM1的启动继电器触点KM1-2、选择开关BK2、报警继电器BJ1、DCS报警系统串联构成1号泵自动报警回路，所述选 择开关BK1的1、3触点导通，所述选择开关BK2的1、3触点导通，电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N；其中，选择开关BK2的1、3触点导通时启动报警，选择开关BK2转至2、4触点时取消报警；
第三、由空气开关QK、控制回路熔断器FR、选择开关BK1、启动按钮SA1、停止按钮SA2、交流接触器KM1的启动继电器串联构成1号泵手动控制回路，所述选择开关BK1的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线N；
第四、由空气开关QK、控制回路熔断器FR、选择开关BK1、交流接触器KM1启动继电器KM1-1、停止按钮SA2、交流接触器KM1的启动继电器串联构成1号泵手动自保持回路，所述选择开关BK1的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线N；
第五、由空气开关QK、控制回路熔断器FR、选择开关BK1、交流接触器KM1的启动继电器触点KM1-1、交流接触器KM1的启动继电器触点KM1-2、选择开关BK2、报警继电器BJ1、DCS报警系统串联构成1号泵报警测试回路；电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N，所述选择开关BK1的2、4触点导通；其中，选择开关BK2的1、3触点导通启动报警，选择开关BK2转至2、4触点时取消报警；
所述2号泵控制电路包括：
第一、由空气开关QK、控制回路熔断器FR、选择开关BK3、液位开关YK2、停止按钮SA4、交流接触器KM2的启动继电器串联构成2号泵自动控制回路，所述选择开关BK3的1、3触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM2的启动继电器接入零线N；
第二、由空气开关QK、控制回路熔断器FR、选择开关BK3、液位开关YK2、交流接触器KM2的启动继电器触点KM2-2、选择开关BK4、报警继电器BJ2、DCS报警系统串联构成2号泵自动报警回路，所述选择开关BK3的1、3触点导通，所述选择开关BK4的1、3触点导通，电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N；其中，选择开关BK4的1、3触点导通时启动报警，选择开关BK4转至2、4触点时取消报警；
第三、由空气开关QK、控制回路熔断器FR、选择开关BK3、启动按钮SA3、停止按钮SA4、交流接触器KM2的启动继电器串联构成2号泵手动控制回路，所述选择开关BK3的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM2的启动继电器接入零线N；
第四、由空气开关QK、控制回路熔断器FR、选择开关BK3、交流接触器KM2启动继电器KM2-1、停止按钮SA4、交流接触器KM2的启动继电器串联构成1号泵手动自保持回路，所述选择开关BK3的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线N；
第五、由空气开关QK、控制回路熔断器FR、选择开关BK3、交流接触器KM2的启动继电器触点KM2-1、 交流接触器KM2的启动继电器触点KM2-2、选择开关BK4、报警继电器BJ1、DCS报警系统串联构成2号泵报警测试回路；电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N,所述选择开关BK3的2、4触点导通；其中，选择开关BK4的1、3触点导通启动报警，选择开关BK4转至2、4触点时取消报警。
所述液位开关YK2的控制液位高于液位开关YK1的控制液位。
本发明提示，在其它实施例中，可以设置3套排水泵机组并相应的设置3个液位开关，各个液位开关的控制高度不同，同时，相应地在控制箱中设置3套主电路和3套控制电路。则当机房水淹达到第一液位高度，第一套机组投入运行，当机房水淹高度达到更高的第二高度时，第一机组、第二机组同时投入运行；当机房水淹高度达到更高的第三高度时，第一机组、第二机组、第三机组同时投入运行，以此类推。

Claims (1)

  1. 一种污水泵两泵控制线路，包括1号泵主电路和2号泵主电路以及1号泵控制电路和2号泵控制电路；
    所述1号泵主电路包括：三相电源依次经断路器QF1、交流接触器KM1之后接入到1号泵电机M1；
    所述2号泵主电路包括：三相电源依次经断路器QF2、交流接触器KM2之后接入到2号泵电机M2；
    所述1号泵控制电路包括：
    第一、由空气开关QK、控制回路熔断器FR、选择开关BK1、液位开关YK1、停止按钮SA2、交流接触器KM1的启动继电器串联构成1号泵自动控制回路，所述选择开关BK1的1、3触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线L；
    第二、由空气开关QK、控制回路熔断器FR、选择开关BK1、液位开关YK1、交流接触器KM1的启动继电器触点KM1-2、选择开关BK2、报警继电器BJ1、DCS报警系统串联构成1号泵自动报警回路，所述选择开关BK1的1、3触点导通，所述选择开关BK2的1、3触点导通，电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N；其中，选择开关BK2的1、3触点导通时启动报警，选择开关BK2转至2、4触点时取消报警；
    第三、由空气开关QK、控制回路熔断器FR、选择开关BK1、启动按钮SA1、停止按钮SA2、交流接触器KM1的启动继电器串联构成1号泵手动控制回路，所述选择开关BK1的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线N；
    第四、由空气开关QK、控制回路熔断器FR、选择开关BK1、交流接触器KM1启动继电器KM1-1、停止按钮SA2、交流接触器KM1的启动继电器串联构成1号泵手动自保持回路，所述选择开关BK1的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线N；
    第五、由空气开关QK、控制回路熔断器FR、选择开关BK1、交流接触器KM1的启动继电器触点KM1-1、交流接触器KM1的启动继电器触点KM1-2、选择开关BK2、报警继电器BJ1、DCS报警系统串联构成1号泵报警测试回路；电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N，所述选择开关BK1的2、4触点导通；其中，选择开关BK2的1、3触点导通启动报警，选择开关BK2转至2、4触点时取消报警；
    所述2号泵控制电路包括：
    第一、由空气开关QK、控制回路熔断器FR、选择开关BK3、液位开关YK2、停止按钮SA4、交流接触器KM2的启动继电器串联构成2号泵自动控制回路，所述选择开关BK3的1、3触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM2的启动继电器接入零线N；
    第二、由空气开关QK、控制回路熔断器FR、选择开关BK3、液位开关YK2、交流接触器KM2的启动继电器触点KM2-2、选择开关BK4、报警继电器BJ2、DCS报警系统串联构成2号泵自动报警回路，所述选择开关BK3的1、3触点导通，所述选择开关BK4的1、3触点导通，电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N；其中，选择开关BK4的1、3触点导通时启动报警，选择开关BK4转至2、4触点时取消报警；
    第三、由空气开关QK、控制回路熔断器FR、选择开关BK3、启动按钮SA3、停止按钮SA4、交流接触器KM2的启动继电器串联构成2号泵手动控制回路，所述选择开关BK3的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM2的启动继电器接入零线N；
    第四、由空气开关QK、控制回路熔断器FR、选择开关BK3、交流接触器KM2启动继电器KM2-1、停止按钮SA4、交流接触器KM2的启动继电器串联构成1号泵手动自保持回路，所述选择开关BK3的2、4触点导通，电源火线L从空气开关QK进入、最后经交流接触器KM1的启动继电器接入零线N；
    第五、由空气开关QK、控制回路熔断器FR、选择开关BK3、交流接触器KM2的启动继电器触点KM2-1、交流接触器KM2的启动继电器触点KM2-2、选择开关BK4、报警继电器BJ1、DCS报警系统串联构成2号泵报警测试回路；电源火线L从空气开关QK进入、最后经DCS报警系统接入零线N,所述选择开关BK3的2、4触点导通；其中，选择开关BK4的1、3触点导通启动报警，选择开关BK4转至2、4触点时取消报警；
    所述液位开关YK2的控制液位高于液位开关YK1的控制液位。
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