CN206503750U - A kind of flow sensing is automatically turned off formula water pump - Google Patents
A kind of flow sensing is automatically turned off formula water pump Download PDFInfo
- Publication number
- CN206503750U CN206503750U CN201621436331.0U CN201621436331U CN206503750U CN 206503750 U CN206503750 U CN 206503750U CN 201621436331 U CN201621436331 U CN 201621436331U CN 206503750 U CN206503750 U CN 206503750U
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- Prior art keywords
- water pump
- water
- pump
- bearing
- automatically turned
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Formula water pump is automatically turned off the utility model discloses a kind of flow sensing, including shaft coupling, the shaft coupling connects pump shaft, pump shaft front end is fixedly connected bearing, bearing front end is provided with mechanically-sealing apparatus, pump shaft and bearing are fixed by bearing body, bearing body front end is provided with pump case, pump case right-hand member offers water pump chamber, water pump chamber upper end offers outlet port, and front end offers inlet port, and mechanically-sealing apparatus forward position is connected with rotor, bonnet is provided with after rotor, retaining ring is housed between bonnet and mechanically-sealing apparatus.This flow sensing is automatically turned off formula water pump by setting rotor, variable area formula electric capacity speed probe, controller and motor, detect do not have current within three seconds when motor close and be stopped, it is to avoid empty load of motor burns motor when not having water.By setting Check valve, it is therefore prevented that the backflow of pipe reclaimed water, on the other hand switched by opening up return port and backflow, the water of residual is hoarded in water pump chamber, prevents water to be back at construction.
Description
Technical field
The utility model is related to mechanical equipment technical field, and specially a kind of flow sensing is automatically turned off formula water pump.
Background technology
The severe geological conditions such as puddle, muddy water hole are commonly encountered in foundation construction, bridge, excavation of foundation pit, branch is especially built
Mould and basis are required to take drainage measure when pouring.But in some special construction occasions, such as well, due to workmen
Water level conditions in gully can not be intuitively grasped, need to be stopped pumping during no water or during water shortage.If water pump continues unloaded
Work, can cause water pump to be damaged, water pump sealing ring and axle sleeve can be burned out, and also result in leaf under the cooling without water and lubrication
Sealing ring locking is taken turns, causes motor rotation blockage to burn；And when motor is stopped, water can flow back cause to draw water it is unclean.
Utility model content
It is specially that a kind of flow sensing is automatically turned off formula water pump that the purpose of this utility model, which is to provide, possesses unloaded automatic
Be stopped, the advantage of anti-backflow, solve in the prior art motor work need people to look after, motor works on when empty
Cause to burn, current backflow causes sordid problem of drawing water.
To achieve the above object, the utility model provides following technical scheme：A kind of flow sensing is automatically turned off formula water pump,
Including shaft coupling, it is characterised in that：The shaft coupling connects pump shaft, and pump shaft front end is fixedly connected bearing, and bearing front end is provided with
Mechanically-sealing apparatus, pump shaft and bearing are fixed by bearing body, and bearing body front end is provided with pump case, and the inside of pump case offers water pump
Chamber, outlet port is offered in the upper end of water pump chamber, and the front end of water pump chamber offers inlet port, and the activity of mechanically-sealing apparatus forward position is even
It is connected to after impeller, impeller and is provided with bonnet, is equipped with retaining ring, the water export of outlet port and consolidates between bonnet and mechanically-sealing apparatus
Dingan County is equipped with rotor, and the upper end closed of water pump chamber is provided with variable area formula electric capacity speed probe, and variable area formula electric capacity rotating speed is passed
Sensor is electrically connected on the control process unit of pump case outer surface, and control process unit includes power supply, oscillator, letter
Number processor, A/D converter and single-chip microcomputer, the input of motor are electrically connected on single-chip microcomputer, and outlet port upper end is provided with only
Flow back to valve.
It is preferred that, detection impeller is installed on the rotor.
It is preferred that, the center of the shaft coupling, pump shaft and bearing is point-blank.
It is preferred that, the output end of the variable area formula electric capacity speed probe is electrically connected at the input of oscillator, shakes
The output end for swinging device is electrically connected at the input of signal processor, and the output end of signal processor is electrically connected at A/D conversions
The input of device, the output end of A/D converter is electrically connected on the input of single-chip microcomputer, and the output end of single-chip microcomputer is electrically connected with
In on the input of motor, whole circuit unit is powered by power supply.
It is preferred that, the bonnet lower end offers return port, and return port front end offers backflow switch.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, flow sensing of the present utility model is automatically turned off formula water pump, and by setting rotor, variable area formula electric capacity rotating speed is passed
Sensor, power supply, oscillator, signal processor, A/D converter, single-chip microcomputer and motor so that the flow sensing is automatically turned off formula water
Pump is when detecting no current and water to exhaust, and motor is closed and is stopped, and on the one hand plays automatically controlling, in the case where crossing hot weather
It need not manually look after, alleviate the burden of workman, on the other hand, it is to avoid motor is burnt in motor work when not having water.
2nd, flow sensing of the present utility model is automatically turned off formula water pump, by setting Check valve, it is therefore prevented that pipe reclaimed water
Backflow, causes water to be taken out unclean, is on the other hand switched by opening up return port and backflow, the water of residual is collected in water pump chamber
In, backflow switch can be opened in the place for leaving construction base and discharge the water in water pump, construction is facilitated.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model controller circuit structure schematic diagram
In figure：1 shaft coupling, 2 pump shafts, 3 bearings, 4 mechanically-sealing apparatus, 5 bearing bodies, 6 pump cases, 61 water pump chambers, 7 outlets
Seat, 8 inlet ports, 9 impellers, 10 bonnets, 11 retaining rings, 12 hole for back flow, 13 backflow switches, 14 rotors, 141 detection impellers, 15 become
Area formula electric capacity speed probe, 16, controller, 161 power supplys, 162 oscillators, 163 signal processors, 164A/D converters,
165 single-chip microcomputers, 17 motors, 18 Check valves.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, a kind of flow sensing is automatically turned off formula water pump, including shaft coupling 1, and the shaft coupling 1 connects pump
Axle 2, the front end of pump shaft 2 is fixedly connected bearing 3, and the front end of bearing 3 is provided with mechanically-sealing apparatus 4, prevents water enters from being caused to machine
Infringement, bearing body 5 is fixedly mounted on the outer ring of pump shaft 2, and pump shaft 2 and bearing 3 are fixed by bearing body 5, and the front end of bearing body 5 is provided with
Pump case 6, pump case 6 plays the protective effect to whole body, and the right-hand member of pump case 6 is provided with water pump chamber 61, and the front end of water pump chamber 61 is opened up
There is inlet port 8, water pump chamber upper end is offered to be installed with outside rotor 14, rotor at outlet port 7, the water export of outlet port 7
Surface activity is provided with detection impeller 141, when starting to draw water, and current pass through the rotation of impeller 141, turn of impeller 141
The rotation for having driven rotor 14 is moved, the upper end closed of water pump chamber 61 is provided with variable area formula electric capacity speed probe 15, when rotor 14
During rotation, the rotation that variable area formula electric capacity speed probe 15 detects rotor 14 is changed into DC signal output, variable area formula
The signal output part of electric capacity speed probe 15 is electrically connected with the input of oscillator 162, and oscillator 162 changes direct current signal
Into AC signal, the signal output part of oscillator 162 is electrically connected with the input of signal processor 163, and modulate circuit 163 will be handed over
Stream stream signal is transformed into voltage signal, and the signal output part of modulate circuit 163 is electrically connected with the input of A/D converter 164, A/
D converters 164 convert analog signals into data signal output, and the signal output part of A/D converter 164 is electrically connected with single-chip microcomputer
165 input, single-chip microcomputer 165 reads analysis data signal, and signal is handled, instruction, the signal of single-chip microcomputer 165 is made
Output end is electrically connected with the input of motor 17, and the operating switch of controlled motor 17 is turned off, when the rotating speed detected is 0
When, and the time reach that the controlled motor 17 of single-chip microcomputer 165 is turned off, and motor 17 is stopped 3 seconds, the forward position of mechanically-sealing apparatus 4 live
Dynamic to be connected with impeller 9, motor 17 is worked to rotate through power conduction impeller 9 and drawn water, and bonnet 10 is provided with after impeller 9,
Retaining ring 11 is housed between bonnet 10 and mechanically-sealing apparatus 4, prevents water from entering workspace after impeller 9 and influenceing the work of water pump；Leaf
The exhalant region that 9 upper ends are water pump chamber 61 is taken turns, the top of water pump chamber 61 is provided with outlet port 7, and the upper surface of outlet port 7 is provided with fluid stopping
Valve 18 is returned, when it is 0 to detect water-carrying capacity, fluid stopping is opened and returns valve 18, it is therefore prevented that the backflow of pipe reclaimed water, causes water to be taken out unclean,
On the other hand by opening up return port 12 and backflow switch 13, the water of residual is collected in water pump chamber 141, can leave construction
The place in base opens backflow switch 13 and discharges the water in water pump, facilitates construction.
In summary：The flow sensing is automatically turned off formula water pump by setting rotor 14, variable area formula electric capacity revolution speed sensing
Device 15, power supply 161, oscillator 162, signal processor 163, A/D converter 164, single-chip microcomputer 165 and motor 17, are detected whether
Have water flow through with flow velocity size so that the shut-off of controlled motor 17, protects motor 17 not worked in zero load, burns motor
17.Setting fluid stopping to return valve 18 prevents water backflow from being impacted to detection structure, on the other hand prevents water backflow from causing to draw water not do
Only, construction is facilitated.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of flow sensing is automatically turned off formula water pump, including shaft coupling (1), it is characterised in that：The shaft coupling (1) connects pump
Axle (2), pump shaft (2) front end is fixedly connected bearing (3), and bearing (3) front end is provided with mechanically-sealing apparatus (4), pump shaft (2) and axle
Hold (3) to be fixed by bearing body (5), bearing body (5) front end is provided with pump case (6), and the inside of pump case (6) offers water pump chamber
(61) outlet port (7), is offered in the upper end of water pump chamber (61), the front end of water pump chamber (61) offers inlet port (8), and machinery is close
Seal apparatus (4) forward position, which is connected with after impeller (9), impeller (9), is provided with bonnet (10), bonnet (10) and mechanically-sealing apparatus
(4) it is equipped between at retaining ring (11), the water export of outlet port (7) and is installed with rotor (14), the upper end of water pump chamber (61)
Closing is provided with variable area formula electric capacity speed probe (15), and variable area formula electric capacity speed probe (15) is electrically connected at installation
On the control process unit (16) of pump case (6) outer surface, control process unit (16) includes power supply (161), oscillator
(162), signal processor (163), A/D converter (164) and single-chip microcomputer (165), the input of motor (17) are electrically connected at
On single-chip microcomputer (165), outlet port (7) upper end is provided with fluid stopping and returns valve (18).
2. a kind of flow sensing according to claim 1 is automatically turned off formula water pump, it is characterised in that：Installed on the rotor
There is detection impeller (141).
3. a kind of flow sensing according to claim 1 is automatically turned off formula water pump, it is characterised in that：The shaft coupling (1),
The center of pump shaft (2) and bearing (3) is point-blank.
4. a kind of flow sensing according to claim 1 is automatically turned off formula water pump, it is characterised in that：The variable area formula electricity
The output end for holding speed probe (15) is electrically connected at the input of oscillator (162), and the output end of oscillator (162) is electrical
The input of signal processor (163) is connected to, the output end of signal processor (163) is electrically connected at A/D converter (164)
Input, the output end of A/D converter (164) is electrically connected on the input of single-chip microcomputer (165), single-chip microcomputer (165)
Output end is electrically connected on the input of motor (17), and whole circuit unit is powered by power supply (161).
5. a kind of flow sensing according to claim 1 is automatically turned off formula water pump, it is characterised in that：Under the bonnet (10)
End offers return port (12), and return port (12) front end offers backflow switch (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621436331.0U CN206503750U (en) | 2016-12-25 | 2016-12-25 | A kind of flow sensing is automatically turned off formula water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621436331.0U CN206503750U (en) | 2016-12-25 | 2016-12-25 | A kind of flow sensing is automatically turned off formula water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206503750U true CN206503750U (en) | 2017-09-19 |
Family
ID=59837059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621436331.0U Expired - Fee Related CN206503750U (en) | 2016-12-25 | 2016-12-25 | A kind of flow sensing is automatically turned off formula water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206503750U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859629A (en) * | 2017-12-27 | 2018-03-30 | 嘉禾福顺机械实业有限公司 | A kind of induction type is automatically turned off self priming pump |
| CN107906015A (en) * | 2017-12-27 | 2018-04-13 | 嘉禾福顺机械实业有限公司 | A kind of anti-return automatic water purifying self priming pump |
| CN110565745A (en) * | 2019-09-16 | 2019-12-13 | 温州市宇强洁具有限公司 | Water source water pump capable of automatically closing when water supply is cut off |
| CN113027808A (en) * | 2021-05-13 | 2021-06-25 | 毅飞泵业（福州）有限公司 | Centrifugal pump |
-
2016
- 2016-12-25 CN CN201621436331.0U patent/CN206503750U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859629A (en) * | 2017-12-27 | 2018-03-30 | 嘉禾福顺机械实业有限公司 | A kind of induction type is automatically turned off self priming pump |
| CN107906015A (en) * | 2017-12-27 | 2018-04-13 | 嘉禾福顺机械实业有限公司 | A kind of anti-return automatic water purifying self priming pump |
| CN110565745A (en) * | 2019-09-16 | 2019-12-13 | 温州市宇强洁具有限公司 | Water source water pump capable of automatically closing when water supply is cut off |
| CN113027808A (en) * | 2021-05-13 | 2021-06-25 | 毅飞泵业（福州）有限公司 | Centrifugal pump |
| CN113027808B (en) * | 2021-05-13 | 2022-12-20 | 毅飞泵业（福州）有限公司 | Centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20171225 |