CN109385985A - A kind of pump lock and control system - Google Patents
A kind of pump lock and control system Download PDFInfo
- Publication number
- CN109385985A CN109385985A CN201811490913.0A CN201811490913A CN109385985A CN 109385985 A CN109385985 A CN 109385985A CN 201811490913 A CN201811490913 A CN 201811490913A CN 109385985 A CN109385985 A CN 109385985A
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- Prior art keywords
- pump
- flap valve
- flashboard
- outlet
- vertical
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
- E02B8/026—Cleaning devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
本发明提供一种泵闸和控制系统，包括闸板、套筒、泵筒、立式轴流泵、双向进口流道、出口双向流道和控制器；所述套筒安装在闸板内；所述泵筒安装在套筒内；所述立式轴流泵安装在泵筒内；所述双向进口流道的一端与立式轴流泵的进水口连接，另一端分别与闸板两侧的进水口连接，所述闸板两侧的进水口分别设有进口双向拍门；所述出口双向流道的一端与立式轴流泵的出水口连接，另一端分别与闸板两侧的出水口连接，所述闸板两侧的出水口分别设有出口双向拍门。所述控制器分别与闸板、立式轴流泵、进口双向拍门和出口双向拍门连接。本发明在泵闸一体化结构中实现双向排水的功能，占用土地资源少，且加强一体化泵闸排涝和引入活水的功能。
The invention provides a pump gate and control system, comprising a gate, a sleeve, a pump cylinder, a vertical axial flow pump, a bidirectional inlet flow channel, an outlet bidirectional flow channel and a controller; the sleeve is installed in the gate; The pump barrel is installed in the sleeve; the vertical axial flow pump is installed in the pump barrel; one end of the two-way inlet flow channel is connected with the water inlet of the vertical axial flow pump, and the other end is respectively connected with both sides of the gate plate The water inlets on both sides of the gate are respectively provided with inlet two-way flaps; one end of the outlet two-way flow channel is connected with the water outlet of the vertical axial flow pump, and the other end is respectively connected with the two sides of the gate. The water outlets are connected, and the water outlets on both sides of the gate plate are respectively provided with outlet two-way flapping doors. The controller is respectively connected with the gate, the vertical axial flow pump, the inlet two-way flapping door and the outlet two-way flapping door. The invention realizes the function of two-way drainage in the integrated structure of the pump and gate, occupies less land resources, and strengthens the functions of the integrated pump gate for draining water and introducing live water.
Description
Technical field
The invention belongs to hydraulic engineering research fields, and in particular to a kind of pump lock and control system.
Background technique
Lock station is the critical facility that waterpower is controlled flood and drained flooded fields, and traditional lock station construction generallys use axial flow pump and mutually ties with sluice
Pump house is built in the mode of conjunction, gate two sides or side, to realize that the power to same water body promotes or flow automatically ejectment water needs.Tradition
Lock station separate that old-fashioned pump lock construction investment is big, the construction period is long, earth clearance and occupied area are wide.For for needing basis
Reservoir, the lakes and marshes of different season water drainages and water storage, traditional two-way pump station will then use double-layer double-direction runner, by incorgruous to water pump
Arrangement is realized and carries out water drainage and water distribution function by water pump.
Integration pump lock has the function of gravity flow water drainage and introduces running water, and Engineering Construction Land-Occupation can be greatly decreased, reduce
Construction investment has very high economy, engineering and social benefit, necessarily has a good application prospect.But present pump lock is mostly
It is to realize single slope drainage, how realizes two-way water distribution, the technical advantage for more playing integration pump lock is problem to be solved.
Summary of the invention
It is real in pump lock integral structure the purpose of the present invention is providing a kind of pump lock and control system regarding to the issue above
The function of existing double drainage, land occupation resource is few, and reinforces integration pump lock water drainage and introduce the function of running water.
For this purpose, the present invention proposes a kind of pump lock, has the function of double drainage.
The invention also provides a kind of control systems based on said pump lock, realize double drainage automation control.
The technical scheme is that a kind of pump lock, including
Flashboard,
Sleeve, the sleeve are mounted in flashboard；
Pump barrel, the pump barrel are mounted in sleeve；
Vertical-type axial-flow pump, the vertical-type axial-flow pump are mounted in pump barrel；
Two-way inlet channel, one end of the two-way inlet channel and the water inlet of vertical-type axial-flow pump connect, the other end point
It is not connect with the water inlet of flashboard two sides, the water inlet of the flashboard two sides is respectively equipped with the two-way flap valve of import；
With outlet reversible passage, one end of the outlet reversible passage and the water outlet of vertical-type axial-flow pump are connected, the other end
It is connect respectively with the water outlet of flashboard two sides, the water outlet of the flashboard two sides is respectively equipped with the two-way flap valve in outlet.
In above scheme, the pump case of the vertical-type axial-flow pump is equipped with positioning sleeve；
The connection of the inner wall of the positioning sleeve and pump barrel.
In above scheme, the pump case excircle of the vertical-type axial-flow pump is equipped with floor type tongue；The floor type tongue with
The inboard wall groove of pump barrel inner wall circumference is cooperatively connected.
In above scheme, the pump barrel outer wall is connected by the lifting lug of lifting lug and sleeve lining；
The bottom of the pump barrel is bolted with sleeve inner.
Further, the sleeve and the circumference of pump barrel junction are equipped with floor.
In above scheme, the sleeve is detachably connected with flashboard.
In above scheme, the two-way inlet channel two sides are connect by flange with inlet pipeline；The inlet pipeline with
Flashboard is bolted.
In above scheme, the sleeve lower section and two-way inlet channel flanged joint.
In above scheme, the water inlet of the flashboard two sides is equipped with trash rack.
It further include control circuit in above scheme；
The control circuit includes first switch, the first branch, second branch, third branch and resistance；
The first branch includes second switch, the two-way flap valve of left side import and the two-way flap valve of right-side outlet, the left side
It connects after the two-way flap valve of import is in parallel with the two-way flap valve of right-side outlet with second switch；
The second branch includes concatenated third switch and vertical-type axial-flow pump；
The third branch includes the 4th switch, the two-way flap valve of right side import and the two-way flap valve of left side import, the right side
It connects after the two-way flap valve of import is in parallel with the two-way flap valve of left side import with the 4th switch；
It connects after the first branch, second branch and third branch circuit parallel connection with resistance, power supply, first switch and flashboard shape
At circuit；
The second switch and the 4th switch are interlock switch.
A kind of control system according to said pump lock, including controller, flashboard, vertical-type axial-flow pump；
The water inlet of the flashboard two sides is respectively equipped with the two-way flap valve of import, and the water outlet of flashboard two sides is respectively equipped with outlet
Two-way flap valve；
The controller is connect with flashboard, vertical-type axial-flow pump, the two-way flap valve of the two-way flap valve of import and outlet respectively.
It further include pump power monitor and alarm in above scheme；
The pump power monitor and alarm are connect with controller respectively；Controller is connect with elevator；
The pump power monitor is used to detect the power of vertical-type axial-flow pump, and sends signal to the controller, when
When controller detects power greater than preset value, control alarm is opened, and control vertical-type axial-flow pump is closed, and control and trash rack
The elevator duty of connection.
Compared with prior art, the beneficial effects of the present invention are:
1, gate and vertical axial-flow of the present invention are pump integrated, and land occupation resource is few, and civil engineering structure is simple, and pipeline is entirely in lock
Door is internal, compact-sized, occupies little space.
2, the present invention only just realizes the double drainage of pump lock by the unidirectional operation of vertical-type axial-flow pump, relatively has Bidirectional vane wheel
Pump-type, hydraulic efficiency is high, and hydraulic performance is good.
3, the present invention is easy for installation, and maintenance is simple, and civil engineering structure is simple, and land occupation resource is few, realizes double drainage
Function, reinforce integration pump lock water drainage and introduce running water function.
4, essentially by being bolted, pump barrel can pacify integrated piping structure in advance with vertical-type axial-flow pump inside present invention pump lock
Load connects, then is installed by way of lifting, easy for installation, and follow-up maintenance is simple.
5, the opening and closing of gate of the present invention, two-way flap valve and vertical-type axial-flow pump realizes automation control by control system
System；And by pump power monitor and alarm, sounded an alarm when the power of pump is larger, dirt is blocked by elevator control at this time
Grid rise is cleared up, and the circulation of the trash rack and flap valve control runner is truncated and blocks dirt.
6, vertical-type axial-flow pump of the present invention connect with pump barrel by the stud of positioning sleeve, pumps the floor type tongue and pump of body
Cylinder inboard wall groove cooperation is bolted to position by pump barrel and sleeve bottom, and the upper and lower pump barrel whole body is equipped with lifting lug can be with sleeve
In lifting lug connection, reduce influence of the pump barrel self gravity to sleeve bottom.
7, sleeve of the present invention and the circumference of pump barrel junction are equipped with floor, reinforce intensity, prevent pump from transporting because of long-time
Row causes to deform and occur crack.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic front view of the pump lock of an embodiment of the present invention.
Fig. 2 is the top view of the pump lock of an embodiment of the present invention.
Fig. 3 is the left view of the pump lock of an embodiment of the present invention.
Fig. 4 is the circuit controling drawing of an embodiment of the present invention.
In figure: 1. flashboards；2. vertical-type axial-flow pump；3. sleeve；4. entrance reversible passage；5. inlet pipeline；6. import is two-way
Flap valve；7. exporting two-way flap valve；8. exporting reversible passage；9. trash rack；10. positioning sleeve；11. pump barrel；12. floor type tongue；
13. floor；101. first switch；102. second switch；103. third switchs；104, the 4th switch；105. resistance.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The orientation or positional relationship of the instructions such as " thickness ", "upper", "lower", " axial direction ", " radial direction ", "vertical", "horizontal", "inner", "outside"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be with
Explicitly or implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or
Two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
Embodiment 1
Fig. 1,2 and 3 show it is of the present invention pump lock a kind of embodiment, the pump lock, including flashboard 1, sleeve 3,
Pump barrel 11, vertical-type axial-flow pump 2, two-way inlet channel 4, outlet reversible passage 8；
The sleeve 3 is mounted in flashboard 1；
The pump barrel 11 is mounted in sleeve 3；
The vertical-type axial-flow pump 2 is mounted in pump barrel 11；
The two-way inlet channel 4 is located at 1 lower inside of flashboard, one end and the vertical-type axial-flow pump 2 of two-way inlet channel 4
Water inlet connection, the other end connect with the water inlet of 1 two sides of flashboard respectively, the water inlet of 1 two sides of flashboard be respectively equipped with into
The two-way flap valve 6 of mouth；
The outlet reversible passage 8 is located at 1 inner upper of flashboard, exports one end and the vertical-type axial-flow pump 2 of reversible passage 8
11 upper flange of pump barrel of water outlet connects, compact overall structure, and be it is dismountable, facilitate and safeguard in the future.Export bidirectional flow
Water outlet of the other end in road 8 respectively with 1 two sides of flashboard is bolted, and the water outlet of 1 two sides of flashboard is respectively equipped with outlet
Two-way flap valve 7.
Preferably, the pump case of the vertical-type axial-flow pump 2 is equipped with positioning sleeve 10；The inner wall of the positioning sleeve 10 and pump barrel 11 connects
It connects.
Preferably, the pump case excircle of the vertical-type axial-flow pump 2 is equipped with floor type tongue 12；The floor type tongue 12 with
The inboard wall groove of 11 inner wall circumference of pump barrel is cooperatively connected.
Preferably, 4 two sides of two-way inlet channel are connect by flange with inlet pipeline 5；The inlet pipeline 5 and lock
Plate 1 is bolted.Further, the two-way flap valve 6 of the import is separately positioned on the left and right sides import of inlet pipeline 5
Place,
Preferably, the sleeve 3 is detachably connected with flashboard 1.Preferably, the sleeve 3 is connected with flashboard 1 by rivet
It connects.And two groups of lifting lugs are equipped with inside sleeve 3.3 lower section of sleeve and two-way 4 flanged joint of inlet channel, it is easy to disassemble.
Preferably, 11 outer wall of pump barrel is connect by lifting lug with the lifting lug of 3 inner wall of sleeve；The bottom of the pump barrel 11 with
The connection of 3 internal-flange bolt of sleeve, and herein the orifice configuration of sleeve 3 be it is trapezoidal, agree with pump inlet pipe shape, improve waterpower
Energy.Preferably, the sleeve 3 and the circumference of 11 junction of pump barrel are equipped with floor 13, reinforce intensity, prevent pump because of long-play
Cause to deform and occur crack.
Preferably, the stud that the vertical-type axial-flow pump 2 can first pass through positioning sleeve 10 in advance connect and pumps the rib of body with pump barrel 11
Template tongue 12 cooperates to position with pump barrel inboard wall groove, by lifting the mounted pump barrel 11 and 3 bottom of sleeve
Portion is bolted, and upper and lower 11 whole body of pump barrel is equipped with lifting lug can connect reduction 11 self gravity of pump barrel with the lifting lug in sleeve 3
Influence to 3 bottom of sleeve.
Preferably, the water inlet of 1 two sides of flashboard is equipped with trash rack 9.
Preferably, the entry shape of 11 lower section of pump barrel is trapezoidal, agrees with pump inlet pipe shape, improves waterpower
Energy.
Preferably, as shown in figure 4, the invention also includes control circuits；
The control circuit includes first switch 101, the first branch, second branch, third branch and resistance 105；
The first branch includes the two-way flap valve 6 of second switch 102, left side import and the two-way flap valve 7 of right-side outlet, described
Import two-way flap valve 6 in left side is connected with after two-way 7 parallel connection of flap valve of right-side outlet with second switch 102；
The second branch includes concatenated third switch 103 and vertical-type axial-flow pump 2；
The third branch includes the 4th switch 104, the two-way flap valve 6 of right side import and the two-way flap valve 7 of left side import, described
Import two-way flap valve 6 in right side is connected with after two-way 7 parallel connection of flap valve of left side import with the 4th switch 104；
After the first branch, second branch and third branch circuit parallel connection with resistance 105, power supply, first switch 101 and flashboard
1 series connection forming circuit；
The second switch 102 and the 4th switch 104 are interlock switch；When the second switch 102 closure, the 4th is opened
104 are closed to disconnect；When 4th switch 104 is closed, second switch 102 is disconnected.
The working principle of control circuit of the present invention is as follows:
When left side intakes, and right side is discharged: being controlled by control circuit, be closed first switch 101, flashboard 1 is closed, then
It is closed second switch 102, opens the two-way flap valve 6 of left side import and the two-way flap valve 7 of right-side outlet, while making the 4th switch 104
It is in an off state, then the two-way flap valve 6 of right side import and the two-way flap valve 7 of left side outlet, which are in, closes dieback state, is then closed
Left side water inlet, right side water outlet are realized in third switch 103, the positive operation of vertical-type axial-flow pump 2 at this time.
When right side intakes, and left side is discharged: by circuit control, being closed first switch 101, flashboard 1 is closed, is then closed
4th switch 104 opens the two-way flap valve 6 of right side import and the two-way flap valve 7 of left side outlet, while is in second switch 102
Off-state, then the two-way flap valve 6 of left side import and the two-way flap valve 7 of right-side outlet, which are in, closes dieback state, is then closed third
Right side water inlet, left side water outlet are realized in switch 103, the positive operation of vertical-type axial-flow pump 2 at this time.
Embodiment 2
A kind of control system pumping lock, including pump lock described in embodiment 1 and controller；
The controller is connect with flashboard 1, vertical-type axial-flow pump 2, the two-way flap valve 7 of the two-way flap valve 6 of import and outlet respectively.
When left side intakes, and right side is discharged: controller controls flashboard 1 and closes, the two-way flap valve 6 of left side import and right-side outlet
Two-way flap valve 7 is opened, and the two-way flap valve 6 of right side import and the two-way flap valve 7 of left side outlet are in close state, and starts vertical-type axial-flow pump
Left side water inlet, right side water outlet are realized in 2 positive operations at this time.
When right side intakes, and left side is discharged: controller controls flashboard 1 and closes, the two-way flap valve 6 of right side import and left side outlet
Two-way flap valve 7 is opened, and the two-way flap valve 6 of left side import and the two-way flap valve 7 of right-side outlet are in close state, and starts vertical-type axial-flow pump
Right side water inlet, left side water outlet are realized in 2 positive operations at this time.
It preferably, further include pump power monitor and alarm；The pump power monitor and alarm respectively with control
Device connection；
The pump power monitor is used to detect the power of vertical-type axial-flow pump 2, and sends signal to the controller, when
When controller detects that power is greater than preset value, control alarm is opened, and after control vertical-type axial-flow pump 2 is closed, then is controlled and is blocked
The elevator duty that dirty grid 9 connect controls the rise of trash rack 9 by elevator and is cleared up, and realizes the automatic clear of trash rack 9
Reason.
Although not each embodiment only includes one it should be appreciated that this specification describes according to various embodiments
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with
The other embodiments of understanding.
The series of detailed descriptions listed above are illustrated only for possible embodiments of the invention,
The protection scope that they are not intended to limit the invention, it is all without departing from equivalent embodiment made by technical spirit of the present invention or change
It should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pump lock, which is characterized in that including
Flashboard (1),
Sleeve (3), the sleeve (3) are mounted in flashboard (1)；
Pump barrel (11), the pump barrel (11) are mounted in sleeve (3)；
Vertical-type axial-flow pump (2), the vertical-type axial-flow pump (2) are mounted in pump barrel (11)；
One end of two-way inlet channel (4), the two-way inlet channel (4) is connect with the water inlet of vertical-type axial-flow pump (2), another
End is connect with the water inlet of flashboard (1) two sides respectively, and the water inlet of flashboard (1) two sides is respectively equipped with the two-way flap valve of import
(6)；
It is connect with one end of outlet reversible passage (8), outlet reversible passage (8) with the water outlet of vertical-type axial-flow pump (2), separately
One end is connect with the water outlet of flashboard (1) two sides respectively, and the water outlet of flashboard (1) two sides is respectively equipped with the two-way flap valve in outlet
(7)。
2. pump lock according to claim 1, which is characterized in that the pump case of the vertical-type axial-flow pump (2) is equipped with positioning sleeve
(10)；
The positioning sleeve (10) connect with the inner wall of pump barrel (11).
3. pump lock according to claim 1, which is characterized in that the pump case excircle of the vertical-type axial-flow pump (2) is equipped with rib
Template tongue (12)；The inboard wall groove of the floor type tongue (12) and pump barrel (11) inner wall circumference is cooperatively connected.
4. pump lock according to claim 1, which is characterized in that pump barrel (11) outer wall passes through in lifting lug and sleeve (3)
The lifting lug of wall connects；
The bottom of the pump barrel (11) is connect with sleeve (3) internal-flange bolt.
5. pump lock according to claim 4, which is characterized in that the sleeve (3) and the circumference of pump barrel (11) junction are set
There are floor (13).
6. pump lock according to claim 1, which is characterized in that further include control circuit；
The control circuit includes first switch (101), the first branch, second branch, third branch and resistance (105)；
The first branch includes second switch (102), the two-way flap valve of left side import (6) and the two-way flap valve of right-side outlet (7), institute
The left side two-way flap valve of import (6) is stated to connect with after the two-way flap valve of right-side outlet (7) parallel connection with second switch (102)；
The second branch includes concatenated third switch (103) and vertical-type axial-flow pump (2)；
The third branch includes the 4th switch (104), the two-way flap valve of right side import (6) and the two-way flap valve of left side import (7), institute
The right side two-way flap valve of import (6) is stated to connect with after the two-way flap valve of left side import (7) parallel connection with the 4th switch (104)；
After the first branch, second branch and third branch circuit parallel connection with resistance (105), power supply, first switch (101) and flashboard
(1) series connection forming circuit；
The second switch (102) and the 4th switch (104) are interlock switch.
7. pump lock according to claim 1, which is characterized in that the water inlet of flashboard (1) two sides is equipped with trash rack
(9)。
8. pump lock according to claim 7, which is characterized in that the trash rack (9) connect with elevator.
9. pumping the control system of lock described in a kind of -8 any one according to claim 1, which is characterized in that including controller, lock
Plate (1), vertical-type axial-flow pump (2)；
The water inlet of flashboard (1) two sides is respectively equipped with the two-way flap valve of import (6), and the water outlet of flashboard (1) two sides is set respectively
There is the two-way flap valve (7) in outlet；
The controller connects with flashboard (1), vertical-type axial-flow pump (2), the two-way flap valve (7) of the two-way flap valve of import (6) and outlet respectively
It connects.
10. the control system of pump lock according to claim 9, which is characterized in that further include pump power monitor and alarm
Device；
The pump power monitor and alarm are connect with controller respectively；Controller is connect with elevator；
The pump power monitor is used to detect the power of vertical-type axial-flow pump (2), and sends signal to the controller, works as control
When device processed detects that power is greater than preset value, control alarm is opened, and control vertical-type axial-flow pump (2) is closed, and is controlled and blocked dirt
The elevator duty of grid (9) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490913.0A CN109385985A (en) | 2018-12-07 | 2018-12-07 | A kind of pump lock and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490913.0A CN109385985A (en) | 2018-12-07 | 2018-12-07 | A kind of pump lock and control system |
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| Publication Number | Publication Date |
|---|---|
| CN109385985A true CN109385985A (en) | 2019-02-26 |
Family
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| CN201811490913.0A Pending CN109385985A (en) | 2018-12-07 | 2018-12-07 | A kind of pump lock and control system |
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