CN106996378B - Two-pump control device of sewage pump - Google Patents
Two-pump control device of sewage pump Download PDFInfo
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- CN106996378B CN106996378B CN201710290167.XA CN201710290167A CN106996378B CN 106996378 B CN106996378 B CN 106996378B CN 201710290167 A CN201710290167 A CN 201710290167A CN 106996378 B CN106996378 B CN 106996378B
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- switch
- pump
- contactor
- selecting switch
- alarm
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Classifications
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- 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
-
- 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
- F04D15/0077—Safety measures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention provides a two-pump control device of a sewage pump, which controls two sets of drainage pump units, wherein liquid level switches are correspondingly arranged for each set of drainage pump unit, different control liquid levels are arranged for the liquid level switches, when a machine room is flooded to a first liquid level, the first unit is put into operation, and when the machine room is flooded to a second higher height, the first unit and the second unit are put into operation simultaneously. Three sets of water pumps can be arranged and three liquid level switches can be correspondingly arranged, when the flooding height reaches a higher third height, three water pumps can simultaneously operate, and so on. The quantity of the water pumps needed to be started can be automatically controlled according to the flooding height of the machine room. The problem that only one set of water pump unit can be put into operation in the prior art can be effectively solved, and when a small amount of water leakage occurs in a machine room, one drainage pump is ensured to be put into operation, and under the condition that the machine room has serious water leakage, under the condition that the water flooding height is higher, a plurality of drainage pumps can be simultaneously put into operation.
Description
Technical field
The present invention relates to two apparatus for controlling pump of a kind of sewage apparatus for controlling pump more particularly to a kind of sewage pump.
Background technology
Now, with the continuous quickening of Process of Urbanization Construction, it is contemplated that rainy day and equipment occur accident and may cause water logging
The problem of, in order to ensure safety, many ground machine room lower, pump house or other places etc. are required for setting drainage arrangement.The prior art
In, the drainage arrangement of usual computer room is made of a set of draining pump and control device, and when water logging occurs, the floating ball of control device is dynamic
Make, starts draining pump and draw water, drain ponding ensures safety in time.In the prior art, also have and two sets of rows are set inside computer room
Water installations, wherein it is a set of in running order and another set of in stand-by state, but the unit of stand-by state needs manually
Start and stop.Therefore, the unit that works when computer room soaks break down be unable to proper drainage and at this time staff fail and
Shi Qidong reserve pumps, then the problem of water logging computer room can largely occur.
A kind of blowdown apparatus for controlling pump of China Patent Publication No. CN104131969A and the control of CN104131970A dredge pumps
Device discloses a kind of technical solution of blowdown, and using two sets of dredge pump units, a set of water pump assembly works and another set of machine
Group is spare, and when the unit of work breaks down, spare unit automatically engages operation, standby because working unit failure to avoid
The problem of cannot automatically engaging operation with pump.But the shortcomings that technical solution, is, can only have a set of unit commitment to transport always
Row.In the case that computer room water inlet is in small inflow, a set of unit commitment operation can be met the requirements, but has a problem in that working as machine
When room water inlet is very serious, a set of unit tends not to meet drainage requirement.
Invention content
In order to solve problem above, the present invention proposes a kind of two apparatus for controlling pump of sewage pump, it controls two sets of draining pump machines
Group is arranged in correspondence with liquid-level switch for each draining pump assembly and different control liquid levels is arranged for two liquid-level switches, when
When water logging height difference, the unit quantity for starting draining is different, when computer room water logging reaches the first liquid level, the first unit commitment
Operation, when computer room water logging height reaches higher second height, the first unit, the second unit put into operation simultaneously；It can root
Water pump quantity to be started is needed according to the highly automated control of computer room water logging.The prior art can be efficiently solved can only a set of water pump
The problem of unit commitment is run, it is ensured that when a small amount of leaks occurs in computer room, there is a draining pump to put into operation, and when computer room occurs
In the case of serious leak, in the case of water logging height is higher, then there are two draining pumps that can put into operation simultaneously.
The present invention solves the technical solution that technical problem is proposed, the present invention proposes a kind of pump of sewage pump two control dress
Set, including control cabinet, two sets draining pump assemblys, characterized in that for often set draining pump assembly be arranged in correspondence with liquid-level switch and
Different control liquid levels is set for two liquid-level switches, when water logging height difference, the water pump assembly quantity for starting draining is different,
When computer room water logging reaches the first liquid level, the first unit commitment operation, when computer room water logging height reaches higher second liquid level
When height, the first unit, the second unit put into operation simultaneously；No. 1 pump main circuit and No. 2 pump masters are installed in the control cabinet
Circuit and No. 1 pump control circuit and No. 2 pump control circuits；
It is described No. 1 pump main circuit include：Three phase mains after circuit breaker Q F1, A.C. contactor KM1 successively through being linked into 1
Number pump motor M1；
It is described No. 2 pump main circuit include：Three phase mains after circuit breaker Q F2, A.C. contactor KM2 successively through being linked into 2
Number pump motor M2；
No. 1 pump control circuit includes：
The first, by air switch QK, control loop fuse FR, selecting switch BK1, liquid-level switch YK1, stop button
The starting relay No. 1 the automatic control of pump circuit in series of SA2, A.C. contactor KM1,1, the 3 of the selecting switch BK1 touches
Point conducting, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM1 accesses zero curve L afterwards；
The second, by air switch QK, control loop fuse FR, selecting switch BK1, liquid-level switch YK1, A.C. contactor
The starting relay contact KM1-2 of KM1, selecting switch BK2, alarm relay BJ1, DCS alarm system No. 1 pump in series are certainly
Dynamic alarm circuit, 1, the 3 contacts conducting of the selecting switch BK1,1, the 3 contacts conducting of the selecting switch BK2, power firestreak
L enters from air switch QK, most afterwards through DCS alarm systems access zero curve N；Wherein, when 1, the 3 contacts conducting of selecting switch BK2
Start alarm, selecting switch BK2 cancels alarm when going to 2,4 contact；
Third, by air switch QK, control loop fuse FR, selecting switch BK1, start button SA1, stop button
The starting relay No. 1 pump manual control circuit in series of SA2, A.C. contactor KM1,2, the 4 of the selecting switch BK1 touches
Point conducting, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM1 accesses zero curve N afterwards；
4th, relay is started by air switch QK, control loop fuse FR, selecting switch BK1, A.C. contactor KM1
The manual self-holding circuit of starting relay No. 1 pump in series of device KM1-1, stop button SA2, A.C. contactor KM1, it is described
2,4 contacts of selecting switch BK1 are connected, and power firestreak L enters from air switch QK, the startup most afterwards through A.C. contactor KM1
Relay accesses zero curve N；
5th, by air switch QK, control loop fuse FR, selecting switch BK1, A.C. contactor KM1 startup after
Appliance contact KM1-1, the starting relay contact KM1-2 of A.C. contactor KM1, selecting switch BK2, alarm relay BJ1,
DCS alarm systems No. 1 pump ann test in series circuit；Power firestreak L enters from air switch QK, most alarms afterwards through DCS
2,4 contacts of system access zero curve N, the selecting switch BK1 are connected；Wherein, 1, the 3 contacts conducting of selecting switch BK2 starts
Alarm, selecting switch BK2 cancel alarm when going to 2,4 contact；
No. 2 pump control circuits include：
The first, by air switch QK, control loop fuse FR, selecting switch BK3, liquid-level switch YK2, stop button
The starting relay No. 2 the automatic control of pump circuits in series of SA4, A.C. contactor KM2,1, the 3 of the selecting switch BK3 touches
Point conducting, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM2 accesses zero curve N afterwards；
The second, by air switch QK, control loop fuse FR, selecting switch BK3, liquid-level switch YK2, A.C. contactor
The starting relay contact KM2-2 of KM2, selecting switch BK4, alarm relay BJ2, DCS alarm system No. 2 pumps in series are certainly
Dynamic alarm circuit, 1, the 3 contacts conducting of the selecting switch BK3,1, the 3 contacts conducting of the selecting switch BK4, power firestreak
L enters from air switch QK, most afterwards through DCS alarm systems access zero curve N；Wherein, when 1, the 3 contacts conducting of selecting switch BK4
Start alarm, selecting switch BK4 cancels alarm when going to 2,4 contact；
Third, by air switch QK, control loop fuse FR, selecting switch BK3, start button SA3, stop button
The starting relay No. 2 pumps manual control circuit in series of SA4, A.C. contactor KM2,2, the 4 of the selecting switch BK3 touches
Point conducting, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM2 accesses zero curve N afterwards；
4th, relay is started by air switch QK, control loop fuse FR, selecting switch BK3, A.C. contactor KM2
The manual self-holding circuit of starting relay No. 1 pump in series of device KM2-1, stop button SA4, A.C. contactor KM2, it is described
2,4 contacts of selecting switch BK3 are connected, and power firestreak L enters from air switch QK, the startup most afterwards through A.C. contactor KM1
Relay accesses zero curve N；
5th, by air switch QK, control loop fuse FR, selecting switch BK3, A.C. contactor KM2 startup after
Appliance contact KM2-1, the starting relay contact KM2-2 of A.C. contactor KM2, selecting switch BK4, alarm relay BJ1,
DCS alarm systems No. 2 pump ann tests in series circuit；Power firestreak L enters from air switch QK, most alarms afterwards through DCS
2,4 contacts of system access zero curve N, the selecting switch BK3 are connected；Wherein, 1, the 3 contacts conducting of selecting switch BK4 starts
Alarm, selecting switch BK4 cancel alarm when going to 2,4 contact；
The control liquid level of the liquid-level switch YK2 is higher than the control liquid level of liquid-level switch YK1.
Beneficial effects of the present invention：The present invention proposes a kind of two apparatus for controlling pump of sewage pump, including control cabinet, two sets of drainings
Pump assembly is arranged in correspondence with liquid-level switch for every set draining pump assembly and different control liquid is arranged for two liquid-level switches
Position, when water logging height difference, the water pump assembly quantity for starting draining is different, when computer room water logging reaches the first liquid level, the
One unit commitment is run, and when computer room water logging height reaches higher second liquid level, the first unit, the second unit are thrown simultaneously
Enter operation, can effectively solve the problems, such as that a pumping drainage cannot be met the requirements when leak is serious.
Description of the drawings：
Fig. 1-Fig. 3 is the electric control theory figure of one embodiment of the invention, wherein Fig. 1 is that main circuit structure principle is shown
It is intended to, circuit structure principle schematic, Fig. 3 are selecting switch contact enlarged structure schematic diagram to Fig. 2 in order to control.
Specific implementation mode
Fig. 1-Fig. 3 is the electric control theory figure of one embodiment of the invention, wherein Fig. 1 is that main circuit structure principle is shown
It is intended to, circuit structure principle schematic, Fig. 3 are selecting switch contact enlarged structure schematic diagram to Fig. 2 in order to control.
It is shown in figure, in this example, the present invention proposes a kind of two apparatus for controlling pump of sewage pump, including control cabinet, two sets of drainings
Pump assembly is arranged in correspondence with two liquid-level switches YK1, YK2 for two sets of draining pump assemblys, and is arranged for two liquid-level switches
Different control liquid levels, when water logging height difference, the water pump assembly quantity for starting draining is different, when computer room water logging reaches first
Liquid level, the operation of the first unit commitment, when computer room water logging height reaches higher second liquid level, the first unit, the
Two units put into operation simultaneously.In this example, No. 1 pump main circuit and No. 2 pump main circuits and No. 1 are installed in the control cabinet
Pump control circuit and No. 2 pump control circuits.
It is shown in Fig. 1, No. 1 pump main circuit includes：Three phase mains is followed by through circuit breaker Q F1, A.C. contactor KM1 successively
Enter to No. 1 pump motor M1；No. 2 pump main circuits include：Three phase mains after circuit breaker Q F2, A.C. contactor KM2 successively through accessing
To No. 2 pump motor M2.
Fig. 2, Fig. 3 show that No. 1 pump control circuit includes：
The first, by air switch QK, control loop fuse FR, selecting switch BK1, liquid-level switch YK1, stop button
The starting relay No. 1 the automatic control of pump circuit in series of SA2, A.C. contactor KM1,1, the 3 of the selecting switch BK1 touches
Point conducting, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM1 accesses zero curve L afterwards；
The second, by air switch QK, control loop fuse FR, selecting switch BK1, liquid-level switch YK1, A.C. contactor
The starting relay contact KM1-2 of KM1, selecting switch BK2, alarm relay BJ1, DCS alarm system No. 1 pump in series are certainly
Dynamic alarm circuit, 1, the 3 contacts conducting of the selecting switch BK1,1, the 3 contacts conducting of the selecting switch BK2, power firestreak
L enters from air switch QK, most afterwards through DCS alarm systems access zero curve N；Wherein, when 1, the 3 contacts conducting of selecting switch BK2
Start alarm, selecting switch BK2 cancels alarm when going to 2,4 contact；
Third, by air switch QK, control loop fuse FR, selecting switch BK1, start button SA1, stop button
The starting relay No. 1 pump manual control circuit in series of SA2, A.C. contactor KM1,2, the 4 of the selecting switch BK1 touches
Point conducting, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM1 accesses zero curve N afterwards；
4th, relay is started by air switch QK, control loop fuse FR, selecting switch BK1, A.C. contactor KM1
The manual self-holding circuit of starting relay No. 1 pump in series of device KM1-1, stop button SA2, A.C. contactor KM1, it is described
2,4 contacts of selecting switch BK1 are connected, and power firestreak L enters from air switch QK, the startup most afterwards through A.C. contactor KM1
Relay accesses zero curve N；
5th, by air switch QK, control loop fuse FR, selecting switch BK1, A.C. contactor KM1 startup after
Appliance contact KM1-1, the starting relay contact KM1-2 of A.C. contactor KM1, selecting switch BK2, alarm relay BJ1,
DCS alarm systems No. 1 pump ann test in series circuit；Power firestreak L enters from air switch QK, most alarms afterwards through DCS
2,4 contacts of system access zero curve N, the selecting switch BK1 are connected；Wherein, 1, the 3 contacts conducting of selecting switch BK2 starts
Alarm, selecting switch BK2 cancel alarm when going to 2,4 contact；
No. 2 pump control circuits include：
The first, by air switch QK, control loop fuse FR, selecting switch BK3, liquid-level switch YK2, stop button
The starting relay No. 2 the automatic control of pump circuits in series of SA4, A.C. contactor KM2,1, the 3 of the selecting switch BK3 touches
Point conducting, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM2 accesses zero curve N afterwards；
The second, by air switch QK, control loop fuse FR, selecting switch BK3, liquid-level switch YK2, A.C. contactor
The starting relay contact KM2-2 of KM2, selecting switch BK4, alarm relay BJ2, DCS alarm system No. 2 pumps in series are certainly
Dynamic alarm circuit, 1, the 3 contacts conducting of the selecting switch BK3,1, the 3 contacts conducting of the selecting switch BK4, power firestreak
L enters from air switch QK, most afterwards through DCS alarm systems access zero curve N；Wherein, when 1, the 3 contacts conducting of selecting switch BK4
Start alarm, selecting switch BK4 cancels alarm when going to 2,4 contact；
Third, by air switch QK, control loop fuse FR, selecting switch BK3, start button SA3, stop button
The starting relay No. 2 pumps manual control circuit in series of SA4, A.C. contactor KM2,2, the 4 of the selecting switch BK3 touches
Point conducting, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM2 accesses zero curve N afterwards；
4th, relay is started by air switch QK, control loop fuse FR, selecting switch BK3, A.C. contactor KM2
The manual self-holding circuit of starting relay No. 1 pump in series of device KM2-1, stop button SA4, A.C. contactor KM2, it is described
2,4 contacts of selecting switch BK3 are connected, and power firestreak L enters from air switch QK, the startup most afterwards through A.C. contactor KM1
Relay accesses zero curve N；
5th, by air switch QK, control loop fuse FR, selecting switch BK3, A.C. contactor KM2 startup after
Appliance contact KM2-1, the starting relay contact KM2-2 of A.C. contactor KM2, selecting switch BK4, alarm relay BJ1,
DCS alarm systems No. 2 pump ann tests in series circuit；Power firestreak L enters from air switch QK, most alarms afterwards through DCS
2,4 contacts of system access zero curve N, the selecting switch BK3 are connected；Wherein, 1, the 3 contacts conducting of selecting switch BK4 starts
Alarm, selecting switch BK4 cancel alarm when going to 2,4 contact；
In the present invention, the control liquid level of liquid-level switch YK2 is higher than the control liquid level of liquid-level switch YK1.
The present invention prompts, and in other embodiments, 3 sets of draining pump assemblys can be arranged and 3 liquid levels are arranged accordingly and open
It closes, the control height of each liquid-level switch is different, meanwhile, 3 sets of main circuits and 3 sets of control electricity are correspondingly set in control cabinet
Road.Then when computer room water logging reaches the first liquid level, first set unit commitment operation, when computer room water logging height reaches higher the
When two height, the first unit, the second unit put into operation simultaneously；When computer room water logging height reaches higher third height, the
One unit, the second unit, third unit put into operation simultaneously, and so on.
Claims (1)
1. a kind of two apparatus for controlling pump of sewage pump, including control cabinet, two sets of draining pump assemblys, characterized in that for often set draining
Pump assembly is arranged in correspondence with liquid-level switch and different control liquid levels is arranged for two liquid-level switches, when water logging height difference,
The water pump assembly quantity for starting draining is different, and when computer room water logging reaches the first liquid level, computer room is worked as in the operation of the first unit commitment
When water logging height reaches higher second liquid level, the first unit, the second unit put into operation simultaneously；In the control cabinet
No. 1 pump main circuit and No. 2 pump main circuits and No. 1 pump control circuit and No. 2 pump control circuits are installed；
It is described No. 1 pump main circuit include：Three phase mains after circuit breaker Q F1, A.C. contactor KM1 successively through being linked into No. 1 pump
Motor M1；
It is described No. 2 pump main circuit include：Three phase mains after circuit breaker Q F2, A.C. contactor KM2 successively through being linked into No. 2 pumps
Motor M2；
No. 1 pump control circuit includes：
The first, by air switch QK, control loop fuse FR, selecting switch BK1, liquid-level switch YK1, stop button SA2, friendship
The starting relay No. 1 the automatic control of pump circuit in series of contactor KM1 is flowed, 1,3 contacts of the selecting switch BK1 are led
Logical, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM1 accesses zero curve N afterwards；
The second, by air switch QK, control loop fuse FR, selecting switch BK1, liquid-level switch YK1, A.C. contactor KM1
Starting relay contact KM1-2, selecting switch BK2, alarm relay BJ1, DCS alarm system No. 1 pump in series it is automatic
Alarm circuit, 1, the 3 contacts conducting of the selecting switch BK1,1, the 3 contacts conducting of the selecting switch BK2, power firestreak L
Enter from air switch QK, most afterwards through DCS alarm systems access zero curve N；Wherein, it is opened when 1, the 3 contacts conducting of selecting switch BK2
Dynamic alarm, selecting switch BK2 cancel alarm when going to 2,4 contact；
Third, by air switch QK, control loop fuse FR, selecting switch BK1, start button SA1, stop button SA2, hand over
The starting relay No. 1 pump manual control circuit in series of contactor KM1 is flowed, 2,4 contacts of the selecting switch BK1 are led
Logical, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM1 accesses zero curve N afterwards；
4th, by air switch QK, control loop fuse FR, selecting switch BK1, A.C. contactor KM1 starting relays
The manual self-holding circuit of starting relay No. 1 pump in series of KM1-1, stop button SA2, A.C. contactor KM1, the choosing
Select 2, the 4 contacts conducting of switch BK1, power firestreak L enters from air switch QK, the startup most afterwards through A.C. contactor KM1 after
Electric appliance accesses zero curve N；
5th, by the starting relay of air switch QK, control loop fuse FR, selecting switch BK1, A.C. contactor KM1
Contact KM1-1, the starting relay contact KM1-2 of A.C. contactor KM1, selecting switch BK2, alarm relay BJ1, DCS report
Alert Cascade System constitutes No. 1 pump ann test circuit；Power firestreak L enters from air switch QK, is most connect afterwards through DCS alarm systems
Enter 2, the 4 contacts conducting of zero curve N, the selecting switch BK1；Wherein, 1, the 3 contacts conducting of selecting switch BK2 starts alarm, choosing
It selects when switch BK2 goes to 2,4 contact and cancels alarm；
No. 2 pump control circuits include：
The first, by air switch QK, control loop fuse FR, selecting switch BK3, liquid-level switch YK2, stop button SA4, friendship
The starting relay No. 2 the automatic control of pump circuits in series of contactor KM2 are flowed, 1,3 contacts of the selecting switch BK3 are led
Logical, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM2 accesses zero curve N afterwards；
The second, by air switch QK, control loop fuse FR, selecting switch BK3, liquid-level switch YK2, A.C. contactor KM2
Starting relay contact KM2-2, selecting switch BK4, alarm relay BJ2, DCS alarm system No. 2 pumps in series it is automatic
Alarm circuit, 1, the 3 contacts conducting of the selecting switch BK3,1, the 3 contacts conducting of the selecting switch BK4, power firestreak L
Enter from air switch QK, most afterwards through DCS alarm systems access zero curve N；Wherein, it is opened when 1, the 3 contacts conducting of selecting switch BK4
Dynamic alarm, selecting switch BK4 cancel alarm when going to 2,4 contact；
Third, by air switch QK, control loop fuse FR, selecting switch BK3, start button SA3, stop button SA4, hand over
The starting relay No. 2 pumps manual control circuit in series of contactor KM2 is flowed, 2,4 contacts of the selecting switch BK3 are led
Logical, power firestreak L enters from air switch QK, most the starting relay through A.C. contactor KM2 accesses zero curve N afterwards；
4th, by air switch QK, control loop fuse FR, selecting switch BK3, A.C. contactor KM2 starting relays
The manual self-holding circuit of starting relay No. 2 pumps in series of KM2-1, stop button SA4, A.C. contactor KM2, the choosing
Select 2, the 4 contacts conducting of switch BK3, power firestreak L enters from air switch QK, the startup most afterwards through A.C. contactor KM2 after
Electric appliance accesses zero curve N；
5th, by the starting relay of air switch QK, control loop fuse FR, selecting switch BK3, A.C. contactor KM2
Contact KM2-1, the starting relay contact KM2-2 of A.C. contactor KM2, selecting switch BK4, alarm relay BJ2, DCS report
Alert Cascade System constitutes No. 2 pump ann test circuits；Power firestreak L enters from air switch QK, is most connect afterwards through DCS alarm systems
Enter 2, the 4 contacts conducting of zero curve N, the selecting switch BK3；Wherein, 1, the 3 contacts conducting of selecting switch BK4 starts alarm, choosing
It selects when switch BK4 goes to 2,4 contact and cancels alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290167.XA CN106996378B (en) | 2017-04-28 | 2017-04-28 | Two-pump control device of sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290167.XA CN106996378B (en) | 2017-04-28 | 2017-04-28 | Two-pump control device of sewage pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106996378A CN106996378A (en) | 2017-08-01 |
| CN106996378B true CN106996378B (en) | 2018-08-14 |
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ID=59434906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710290167.XA Active CN106996378B (en) | 2017-04-28 | 2017-04-28 | Two-pump control device of sewage pump |
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| CN (1) | CN106996378B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8297937B2 (en) * | 2006-06-12 | 2012-10-30 | Stak Enterprises, Inc. | Pump control apparatus, system and method |
| CN104121175A (en) * | 2014-07-26 | 2014-10-29 | 徐家成 | Water pump control method |
| CN104196704B (en) * | 2014-07-31 | 2016-06-15 | 徐家成 | Dredge pump control method |
| CN204200541U (en) * | 2014-09-03 | 2015-03-11 | 中建三局机电工程有限公司 | A kind of order formula multi-functional lobby water pump control circuit, control box and drainage system thereof |
| CN204458295U (en) * | 2015-03-13 | 2015-07-08 | 四川会理铅锌股份有限公司 | A kind of water pump automatic controller |
| CN204900217U (en) * | 2015-08-21 | 2015-12-23 | 珠海市航粤正泰成套电气设备有限公司 | Blowdown pump control circuit |
| CN205225641U (en) * | 2015-12-11 | 2016-05-11 | 天津市威匡电气设备有限公司 | Double pump control circuit |
| CN206816511U (en) * | 2017-04-28 | 2017-12-29 | 深圳市能源环保有限公司 | A kind of apparatus for controlling pump of sewage pump two |
-
2017
- 2017-04-28 CN CN201710290167.XA patent/CN106996378B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106996378A (en) | 2017-08-01 |
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