CN105849415A

CN105849415A - Groundwater sampling pump

Info

Publication number: CN105849415A
Application number: CN201480065766.6A
Authority: CN
Inventors: 道格拉斯·D·科尔比; 托马斯·T·里斯贝克
Original assignee: QED Environmental Systems Inc
Current assignee: QED Environmental Systems Inc
Priority date: 2013-12-03
Filing date: 2014-12-03
Publication date: 2016-08-10
Anticipated expiration: 2034-12-03
Also published as: CA2931990A1; US20160298632A1; AU2014360502B2; EP3077677B1; WO2015084957A1; BR112016011939A2; AU2014360502A1; CN105849415B; EP3077677A4; US20200256342A1; ES2762574T3; EP3077677A1

Abstract

A sampling pump is disclosed for pumping liquids collected in a wellbore. The sampling pump has a pump component having an inlet and an outlet, a pump element and DC motor for driving the pump element. A reel assembly having a reel and a frame supports a cable assembly wound on the reel. The cable assembly supplies power to the DC motor. A DC connector supported on the frame enables an external DC power source to power the DC motor. A fluid level sensor on the housing detects when the outer housing is positioned in fluid. A control panel on the frame is in electrical communication with the fluid sensor and configured to enable a user to control on and off operation of the DC motor.

Description

Groundwater sampling pump

Related application

This application claims in the U.S. Provisional Patent Application Serial No. of December in 2013 submission on the 3rd No.61/911, the priority of 273, the complete disclosure of this application is incorporated herein by reference.

Technical field

It relates to for gather from underground water supply well water sample groundwater sampling pump and Pump control system.

Background technology

This part provides the background information relevant with the disclosure, and this background information is not necessarily existing Technology.

Known such groundwater sampling pumping system: it uses the outflow of DC motor artesian well in the future Thing pumps up to ground level, and wherein, sample is sucked for non-at-scene analysis.Known System uses pump and throttling arrangement at full speed to reduce delivery flow at exhaust position, in order to gather Sample.The defect of known system is: throttling arrangement reduces volume flow rate, but increases partly Big flow velocity, so that be difficult to gather the sample of small size.Additionally, it is known that underground hydromining The power consumption of sample pumping system can be changed to up to 40 amperes from 20 amperes, and generally needs The high electric current AC power supplies of AC/DC transducer to be had is to provide the DC for the operation of pump motor Electric power, this high electric current AC power supplies is heavy and expensive.AC power supplies is generally unsuitable for remote Well site, therefore operator must carry single AC power supplies.Additionally, it is known that sampling system System uses such centrifugal pump: when making flow reduce at downstream part by sample throttling arrangement, This centrifugal pump causes the sky at impeller under speed of operation (12,000rpm to 15,000rpm) Cave phenomenon.

Summary of the invention

This part provide the disclosure overview, and be not the disclosure four corner or The comprehensive disclosure of all features of person's disclosure.

In one aspect, it relates to a kind of sampling pump, this sampling pump is configured in wellhole Use the liquid gathered in wellhole for pumping.This sampling pump can include pump part, pump Element and direct current (DC) motor.Pump part has external shell, and this external shell constructs Become to be inserted in wellhole.External shell has entrance and exit, and pump element is contained in outside In housing.It is interior for driving pump element that DC motor is contained in external shell.Pump element with enter Mouthful and outlet, and pump element be configured to when being rotatably driven by DC motor will Liquid is drawn in external shell and is pumped to outlet from wellhole.Flexible cable assembly and pump Members with in dropping to wellhole in pump part and when being arranged in the fluid in wellhole to Pump part supply electric power.Sampling pump also includes reel assemblies, and reel assemblies has by framework with can The reel that the mode rotated supports.Rolled configuration becomes to enable flexible cable assembly in pump part not It is wrapped in during use on reel and can be when pump external shell drops in wellhole from reel Unwinding.Framework supports and has DC connector for enabling outside D/C power to be attached to Reel assemblies, in order to supply electric power to DC motor.Use with external shell with exercisable side The liquid level sensor that formula is associated is to detect whether external shell positions in a fluid.Control panel Supported by the framework of reel assemblies.Control panel and fluid sensor telecommunication, and chain of command Plate is configured to enable a user to control the turned on and off operation of DC motor and can be by Outside D/C power is connected to control panel to power to pump element.

In another aspect, it relates to a kind of sampling pump, this sampling pump is configured in wellhole The liquid that middle use gathers in wellhole for pumping.This sampling pump can include pump part, This pump part has external shell, entrance and exit, and wherein, this external shell is configured for insertion into In wellhole, this entrance and exit is each at two opposite ends of external shell and external shell Body is operatively associated.Pump element can be contained in external shell.At external shell Internal direct current (DC) motor that can be equipped with is for driving pump element.Pump element can be with Entrance and exit connects, and pump element is configured to when being rotatably driven by DC motor Liquid is drawn into from wellhole in external shell and is pumped to outlet.Flexible cable assembly can With with outlet in case when pump assembly is positioned in wellhole to pump part supply DC electric power. Sampling pump can include reel assemblies, and this reel assemblies has rotatably is propped up by framework The reel of support, this rolled configuration becomes to enable described flexible cable assembly to be not used by pump part Time be wrapped on reel.Framework supports and has DC electrical connector so that from outside DC electricity The DC electric power in source can be attached to reel assemblies, in order to supplies electric power to DC motor.Liquid level Sensor is operatively associated with described external shell for whether detecting housing Location is in a fluid.Sensor can be configured to show the first optical signal when being submerged And the second optical signal is shown when being not immersed in water.DC battery can be supported on reel Electric power is provided for not to DC motor supply electric power time to liquid level sensor on assembly. Sampling pump can include the engageable switch of user, and the engageable switch of this user is not for having To optionally supplying electric power to liquid level sensor during DC motor supply electric power and cutting off liquid level The electric power of sensor.Control panel can be supported by the framework of reel assemblies.Control panel is permissible With fluid sensor telecommunication, and control panel is configured to enable a user to control DC horse The turned on and off operation that reaches and can be electrically connected by the DC from outside D/C power To control panel.

In another aspect, it relates to a kind of sampling pump assembly, this sampling pump assembly includes Having the pump external shell of inlet cap, this inlet cap has multiple water intake end mouth.Arrival end Lid utilizes the bayonet pin of the L-shaped groove extended through in the first housing connection member to be connected to outside pump Housing.Outlet end cap utilizes bayonet pin to be connected to pump external shell, and this outlet end cap has For outflow property management being releasably connected to the pipe connections of outlet end cap.Sampling pump Assembly includes pump, and this pump has the regenerative impeller being connected to brushless DC motor.Brushless DC Motor is positioned in pump external shell, and regenerative impeller is positioned in inlet cap.Brushless DC motor can be with about 8, and 000rpm operates, thus provide at least up to about 150 feet with And may higher lift.Sensor extends beyond outlet end cap and is immersed in pump at pump assembly Sensing signal is provided time below the water surface in wellhole residing for external shell.Sampling pump assembly bag Include reel assemblies, this reel assemblies have the reel that is pivotably supported for support for The flexible cable assembly of brushless DC motor supply DC electric power.Flexible cable assembly can be wound around On the reel being pivotably supported to this.Reel assemblies carries at least one internal cell, institute State at least one internal cell and the electric power for sensor is provided.Reel assemblies is provided with LED, And this LED construction becomes when sampling pump assembly drops in wellhole and at sensor contacts Flash constantly before water.When pump assembly extends below water level face LED become persistently according to Bright state.Flexible cable assembly is formed multiple range mark enable the user to really Determine the degree of depth that pump external shell is positioned in wellhole.

According to some additional aspects, sampling pump assembly includes pump external shell, this pump external shell Body has the housing inlet port end being releasably connected to pump external shell.Housing inlet port End includes multiple water intake end mouth, and housing inlet port end utilizes one or more bayonet pin It is connected to pump external shell, one or more bayonet pin extend radially through and be formed at L-shaped groove in first housing connection member.Inlet cap is positioned at entering with housing of pump external shell The end that mouth end is contrary, this inlet cap utilizes the L being received in the second housing connection member One or more bayonet pin in shape groove is connected in a similar fashion.Inlet cap is received and is used In releasably connecting the pipe connections flowing out property management.Sensor extends beyond arrival end Lid and offer during sampling pump parts are operated and be immersed in water volume lower face Sensing function.

In each other aspects of the disclosure, sampling pump assembly is ready to drop in well, position The first switch on the control panel of reel switches to " on " position from " cut-out " position. The internal cell being arranged in reel provides the behaviour for sensor when sampling pump assembly declines The enough electric power made.The LED on the control panel of setting additionally declines at sampling pump assembly Flash constantly before water volume time in well and in sensor contacts well.Work as sampling pump Assembly enters in water volume and when the lower section on water level surface extends, water touch sensor, from And produce the signal of telecommunication indicating whole sampling pump assembly to be positioned at water level lower face.Now, LED becomes " bright light " state being continuously turned on from the state that persistently flashes." bright light " of LED State indicates sampling pump assembly to be completely submerged in water volume intuitively to operator.

After LED becomes lasting " bright light " state, sampling pump assembly is pulled up, until LED becomes again to lasting flashing operation, and now, multiple range marks provide along electricity The degree of depth that the shell of cable assembly indicates with 1 foot of incremental position, so that it is determined that about sampling pump The degree of depth in units of foot of assembly position in well.Sampling pump assembly rolls back in well, Until LED becomes again continues " bright light " state.Subsequently, there is 12VDC electricity The external power source of power is connected to reel, and second switch is cut by operator from " cut-out " position Shift to " on " position, thus start the operation of DC motor.

According to description content provided herein, the other scope of application will be apparent from.This Description content in bright content and concrete example are meant only to as descriptive purpose, and are not intended to limit Determine the scope of the present disclosure.

Accompanying drawing explanation

Accompanying drawing described herein merely for selected embodiment rather than all possible The illustrative purpose of embodiment, and be not intended to limit the scope of the present disclosure.

Fig. 1 is the front view of the groundwater sampling pump of the disclosure；

Fig. 2 is the end-view of the pump of Fig. 1；

Fig. 3 is the side cross-sectional view intercepted at the cross section 3 of Fig. 1；

Fig. 4 is the front view of the impeller housing assembly of the disclosure；

Fig. 5 is the cross sectional elevation intercepted at the cross section 5 of Fig. 4；

Fig. 6 is the plan view from above of the impeller housing of Fig. 4；

Fig. 7 is the face upwarding view of the impeller holding component of the housing unit of Fig. 4；

Fig. 8 is groundwater sampling pump and the front perspective view of reel assemblies of the disclosure, this reel Assembly includes the groundwater sampling pump of Fig. 1；

Fig. 9 is mounted to the partial sectional elevation view of the groundwater sampling system of well conduit；

Figure 10 is provided in the front view of the control panel on the reel of subsoil water acquisition system；

Figure 11 is the flow of the groundwater sampling system about the disclosure curve to well depth Figure；

Figure 12 is the circuit diagram of the control system of the groundwater sampling pump for Fig. 8；

Figure 13 is the circuit diagram of the pump control system part of the groundwater sampling pump for Fig. 8；

Figure 14 is the side view of another embodiment of the groundwater sampling pump according to the disclosure；

Figure 15 is the view of a part for the pump assembly of Figure 14；

Figure 15 a is the enlarged drawing of the part being circled in Figure 15；

Figure 16 is the side cross-sectional view of bayonet pin, and wherein, bayonet pin is bonded on its corresponding groove In and packing ring is compressed the water-stop realizing in pump case；

Figure 17 is the annular of use, the sealing of removable motor drive shaft in the pump assembly of Figure 14 The side cross-sectional view of part；

Figure 18 is the plane of the first surface of the impeller keeper used in the pump assembly of Figure 14 Figure；

Figure 19 is the side view of the impeller keeper of Figure 18；

Figure 20 is the plane graph of the second surface (i.e. opposed surface) of the impeller keeper of Figure 18；

Figure 21 is the plane of the first surface of the impeller housing used in the pump assembly of Figure 14 Figure；

Figure 22 is the side view of the impeller housing shown in Figure 21；And

Figure 23 is the plane graph of the second surface (i.e. opposed surface) of the impeller housing of Figure 21.

Running through some views of accompanying drawing, corresponding reference indicates corresponding parts.

Detailed description of the invention

Now with reference to accompanying drawing, illustrative embodiments is more fully described.

With reference to Fig. 1, sampling pump assembly 10 includes pump external shell 12, this pump external shell 12 There is the housing inlet port end 14 being releasably connected to pump external shell 12.Housing Inlet end portion 14 includes multiple water intake end mouth 16.Housing inlet port end 14 utilizes one or more Multiple bayonet pins 18 are connected to pump external shell 12, one or more bayonet pin 18 Extend radially through the L-shaped groove 20 being formed in the first housing connection member 22.Housing inlet port End 14 is oriented so that bayonet pin 18 is received in L-shaped groove, and housing inlet port end 14 are axially rotated releasably to lock in place by housing inlet port end 14.? The end contrary with housing inlet port end 14 of pump external shell 12 is provided with outlet end cap 24, similarly, this outlet end cap 24 utilizes the L-shaped being received in the second housing connection member 30 One or more bayonet pin 26 in groove 28 connects.Outlet end cap 24 is received for can The mode of release connects the pipe flowing out property management illustrating with reference to Fig. 9 and being more fully described and connects Part 32.Sensor 34 extends beyond outlet end cap 24, and this sensor 34 is at sampling pump Assembly 10 is operated and is immersed in the period offer sensing function of water volume lower face, as It is more fully described with reference to Fig. 9.According to some aspects, such as pump external shell 12, The sampling pump component parts of housing inlet port end 14 and outlet end cap 24 etc can be by the most not The metal material structure of rust steel etc forms.Other materials can also be used.

With reference to Fig. 2 and referring again to Fig. 1, pipe connections 32 connects with discharge chamber 36, by adopting The water of sample pump assembly 10 pumping is received within this discharge chamber 36 to discharge.It is additionally provided with energy Enough receive and seal to the functional unit offer electric power of sampling pump assembly 10 and leading of control signal The pipe joint element 38 of pipe.

With reference to Fig. 3 and referring again to Fig. 1 to Fig. 2, conduit 39 is shown at by conduit In the exemplary position that connector 38 keeps.As previously noted, conduit 39 provides and is used for grasping Make the electric power of the parts of sampling pump assembly 10.Housing inlet port end 14 is provided with to be closed on housing and enters The inlet 40 of mouth end wall 14a.The filter of such as metal screen or plastic filter screen etc 42 are releasably connected to inlet end wall portion 44, and this inlet end wall portion 44 limits entrance The boundary wall portion contrary with housing inlet port end wall 14a of room 40.Flow via water intake end mouth 16 Water in inlet 40 is through filter 42 and enters in blade wheel chamber 46.Inlet end wall Portion 44 limit housing inlet port end 14 such as lower part: as described in part engage at bayonet pin 18 While used one or more containment member 48 of such as O etc against outside pump The internal perisporium of portion's housing 12 seals." regenerative " impeller 50 being positioned in blade wheel chamber 46 The pump element of form utilizes impeller keeper 52 to be maintained in position of rotation.Connecting elements 54 Extend partially through impeller 50 and rotatably shape engage impeller 50.Connect Component 54 extends through motor drive shaft sealing member 55 to allow the rotation of the fluid-sealing type of impeller 50 Turn.Impeller 50 is connected to brushless DC motor 56 and by the behaviour of brushless DC motor 56 Make and rotate, this brushless DC motor 56 have extend in connecting elements 54 and be connected structure The motor drive shaft 57 that part 54 connects.Motor drive shaft sealing member 55 prevents the water in blade wheel chamber 46 from entering In the closing space of the sealing being wherein equipped with DC motor 56.Circuit board 58 and DC motor 56 are positioned in the watertight chamber 60 provided by pump inner housing 62, and this pump inner housing 62 is sliding Dynamic mode is received in pump external shell 12.The parts of circuit board 58 can be packaged to by The described parts of circuit board 58 seal hermetically.Additionally, multiple conductive metal pin 61 can be from Circuit board 58 is projected in the space between the edge of motor 56 and circuit board 58, with detection Whether this space exists water.Metallic pin 61 is defined between metallic pin 61 by detection and leads Power path and the existence of water sensing.

Utilizing regenerative impeller 50, brushless DC motor 56 can be with the speed than known pumping system Spend low speed (about 8,000rpm (turning every point)) operation.This provides required lift (lift), make the cavitation of pump minimize simultaneously.

Week between the tubular peripheral and the inwall of tubular pump external shell 12 of pump inner housing 62 Flow channel 64 it is formed with to ground.The fluid discharged by the operation of impeller 50 is along flowing side Flow channel 64 is passed to discharge from sampling pump assembly 10 subsequently to " A ".When impeller 50 When being rotated by the operation of DC motor 56, aspirated from blade wheel chamber 46 by impeller 50 Fluid is radially outward discharged in the impeller outlet region 66 connected with flow channel 64.

After water flows out from impeller outlet region 66 and flows through flow channel 64, water Stream enters one or more and gathers in port 68 and flow further by being formed at pump top Discharge port 70 in end component 72.Pump top end component 72 is received in outlet end cap 24 also And it is provided with multiple end member seal 74 of such as O etc, to provide pump top structure Fluid-tight between the inwall of part 72 and pump inner housing 62.Therefore, end member seal 74 prevent the water gathering in port 68 or discharge port 70 from entering in watertight chamber 60.It is pumped Water flowing by outlet 70 after entrance discharge chamber 36 in.Pipe connections 32 utilizes Connector threaded portion 76 is releasably attached to pump top end component 72 so that pipe connects The tap 78 of part 32 is coaxially aligned with discharge chamber 36.Therefore, by the rotation of impeller 50 Then all water being pumped all are discharged via tap 78 from discharge chamber 36.With pipe connections 32 are similar to, and pipe joint element 38 utilizes pipe joint element threaded portion 80 can be threaded connection with Mode is connected to pump top end component 72.According to some aspects, it is provided with two in bayonet pin 18 In the individual bayonet pin being set to bayonet pin 18,18 ' diametrically and bayonet pin 26 two The individual bayonet pin being set to bayonet pin 26,26 ' diametrically.The quantity of bayonet pin can be by Manufacturer takes the circumstances into consideration to change.

With reference to Fig. 4 and referring again to Fig. 3, impeller assembly 82 includes from impeller housing 84 part The impeller keeper 52 that ground extends.Impeller housing 84 can such as by welding and around its periphery It is fixed to pump external shell 12.

With reference to Fig. 5 and referring again to Fig. 4, impeller assembly 82 is provided with impeller housing 84, should Impeller housing 84 includes casing ledge 86, this casing ledge 86 from impeller housing 84 radially to Outer extension is to provide the position for impeller housing 84 is fixed to pump external shell 12.Housing Cylindrical wall 88 cylindrically and includes the first reaming 90 and the second reaming formed therein Both 92.Impeller 50 is rotatably positioned in the first reaming 90, and impeller Keeper 52 is received in the second reaming 92 in non-rotatable mode.First reaming 90 has There is the diameter less than the diameter of the second reaming 92 so that impeller keeper 52 and impeller 50 weight Folded.It is provided with gap between the periphery wall of impeller 50 and the inwall limited by the first reaming 90 “B”.Gap " B " allows to be provided with constantly between impeller 50 and housing cylindrical wall 88 Moisture film, so that friction when impeller 50 rotates minimizes.Medially formed through impeller 50 Having connecting elements groove 94, this connecting elements groove 94 is received and is engaged from motor drive shaft 57 extension Connecting elements 54, thus provide the shape rotated for impeller 50 to engage.Close on connecting elements It is close with provide between connecting elements 54 and impeller housing 84 that groove 94 is provided with closure gasket groove 96 Envelope.

Impeller housing 84 is provided with outlet opening 98, is shifted by the rotation of impeller 50 Water is accepted via this outlet opening 98.Outlet opening 98 and semicircular passing away 100 Connection, it is recessed that this passing away 100 is formed as in the shell inner surface 101 of impeller housing 84 Portion.Passing away 100 and multiple impeller flow channel 102 fluids extending through impeller 50 Connection.Between shell inner surface 101 is also by the impeller discharge side 104 of fluid layer and impeller 50 Separate, so that friction when impeller 50 rotates minimizes.Discharging with impeller at impeller 50 Contrary side, side 104 is provided with impeller supply side 106.Semicircular feed path 107 shape Become the recess in the keeper surface 108 of impeller keeper 52.It is positioned at impeller flowing logical The water that multiple impeller blades 109 in road 102 will be provided by semicircular feed path 107 It is directed in semicircular passing away 100.Semicircular feed path 107 is formed at holding In part Part I 110, as previously noted, keeper Part I 110 is received in housing In second reaming 92 of cylindrical wall 88.Straight can have than keeper Part I 110 The keeper Part II 114 of the diameter that footpath is little is formed with screwed hole 112.Screwed hole 112 Allow to use threading tool (not shown) to remove impeller keeper 52 thus remove impeller 50, So that maintenance.

With reference to Fig. 6 and referring again to Fig. 5, semicircular passing away 100 is from tapered minimum Area channel end 116 extends to the maximum of neighbouring outlet opening 98 location along semicircular path Area channel end 118.Thus, all water entering semicircular passing away 100 are the most logical Cross outlet opening 98 to discharge.

With reference to Fig. 7 and referring again to Fig. 5, it is formed at the keeper face 108 of impeller keeper 52 In semicircle feed path 107 start from tapered minimum area channel end 120 and along half Circular path extends to the maximum area channel end 122 of location, neighboring entry hole 124, should Ingate 124 extends axially through the keeper Part I 110 of impeller keeper 52. Therefore, all water entering ingate 124 all pass semicircular feed path 107, with warp It is sucked and is discharged to semicircular passing away 100 by the impeller blade 109 of impeller 50 In.

With reference to Fig. 8 and referring again to Fig. 1 to Fig. 3, sampling pump assembly 10 forms underground hydromining A part for sample pumping system 126.Groundwater sampling pumping system 126 also includes reel assemblies 125, Reel assemblies 125 has the A-frame 128 can being made up of such as metal tube.A-frame 128 include the first arm 130 and the second arm 132 relatively positioned, the first arm 130 Support by handle portion 134 between the two with each in the second arm 132.Handle portion 134 are positioned to allow for manually delivering groundwater sampling pumping system 126.First leg 136 is relative In the far-end of the first arm 130 with substantial transverse orientation stretching.Second leg 138 is from the second arm Portion 132 extends in a similar fashion.First leg 136 and the second leg 138 allow subsoil water Sampling pump system 126 supports by ground supports or by well conduit, and this will be carried out more with reference to Fig. 9 Describe well.It is respectively and fixedly provided with between each in first arm 130 and the second arm 132 and props up Frame 140, and reel 142 is rotatably supported at A-frame by this support 140 On 128.Cable assembly 144 is wound on reel 142 and is electrically connected to sampling pump assembly 10. The control panel 146 of the central part office being supported on reel 142 provides subsoil water for operator The local of sampling pump system 126 controls and operation, as preferably retouched with reference to Fig. 9 and Figure 10 State.Hollow pipe 148 is fixed to each in the first arm 130 and the second arm 132 also And it is fixed on the first arm 130 and the second arm 132 and the first leg 136 and the second leg Near the abutment of 138.Hollow pipe 148 also serves as memotron, and sampling pump assembly 10 is not Can be stored in inside this memotron during use.Sampling pump assembly 10 utilizes releasable pin 150 Being maintained in memotron or hollow pipe 148, the utilization of this releasable pin 150 is connected to this and can release The lock ring 152 of the pin 150 put is installed or is withdrawn from.

Post 156 connection being fixed to memotron or hollow pipe 148 has U-shaped fastener 154.U-shaped Fastener 154 contributes to that subsoil water gathers pumping system 126 and installs to well conduit, and this is with reference to Fig. 9 Illustrate and preferably describe.Except be connected to the cable assembly 144 of sampling pump assembly 10 with Outward, the rigid supporting rod 158 with eyelet 160 can releasably be fixed to sampling The pump top end component 72 of pump assembly.If needing to use for being moved from well by sampling pump assembly 10 The extra hoisting power removed, the lifting cable 162 of the most such as braided steel wire etc can connect To eyelet 160 and can extend in well together with sampling pump assembly 10.

With reference to Fig. 9 and referring again to Fig. 3 to Fig. 8, groundwater sampling pumping system 126 can face Time be attached to well 164, this well 164 is normally constructed to partly prolong above ground level 166 The well conduit stretched and mainly extend below ground level 166.Sampling pump assembly 10 is inserted downwards Enter in the endoporus 168 of well 164 with by cable assembly is unwind and from well from reel 142 164 suction water samples.In U-shaped fastener 154 is positioned at the endoporus 168 of well 164 and with in well Wall surface 170 directly contacts, and the second leg 138 is positioned to direct with aboveground surface 172 simultaneously Contact, and the well outer wall surface 174 that the first leg 136 is positioned to well 164 directly contacts. Post 156 is positioned adjacent to opening of well 164 by this configuration of groundwater sampling pumping system 126 Mouthful.In addition to supporting U-shaped fastener 154, post 156 additionally provides to be inserted at sampling pump assembly 10 Enter in well 164 and/or for the slip fortune of cable assembly 144 when well 164 takes out Dynamic supporting surface.Before the insertion of sampling pump assembly 10, the most transparent plastic tube it The property management 176 of flowing out of class is connected to the pipe connections 32 of sampling pump assembly 10.At sampling pump During the insertion of assembly 10, cable assembly 144 and outflow property management 176 both of which are with almost phase Same speed declines to prevent from being formed in any one in these objects in well bending section.As Fruit also uses and promotes cable 162, then promote cable 62, cable assembly 144 and flow out property management 176 all decline with almost identical speed to prevent any one in these article in well Middle formation bending section.

When sampling pump assembly 10 prepares to drop in well, the be positioned on control panel 146 One switch 178c switches to " on " position from " cut-out " position.It is arranged on reel 142 On internal cell (in conjunction with Figure 13 discuss parts 210) when sampling pump assembly 10 declines The enough electric power of the operation for sensor 34 is provided.It is additionally arranged on control panel 146 LED 180 touches in well when sampling pump assembly 10 drops in well and at sensor 34 Flash constantly before water volume 182.Water volume 182 is usual under the normal condition of well 164 It is positioned at the top of downhole end 184 so that water intake end mouth 16 is positioned at above shaft bottom.When adopting Sample pump assembly 10 enters in water volume 182 and when extending below water level surface 186, water Touch sensor 134, sensor 134 produces and indicates whole sampling pump assembly 10 to be positioned at water The signal of telecommunication below surface 186, position.Now, LED 180 becomes lasting from the state that persistently flashes " bright light " state of energising." bright light " state of LED 180 indicates intuitively to operator: Sampling pump assembly 10 is completely submerged in water volume 182.

After LED 180 becomes lasting " bright light " state, operator can be by sampling pump Assembly 10 the most manually takes out, until LED 180 becomes again to lasting flashing operation, Now, operator can use multiple range mark 188, the plurality of range mark intuitively 188 provide by the zero-bit at sampling pump assembly 10 along outside cable assembly 144 Shell is upwards with the degree of depth of 1 foot of incremental position instruction.For record and pump operated purpose, Range mark 188 provide the sampling pump assembly 10 position in well 164 with foot as list Fathoming of position.Subsequently, sampling pump assembly 10 is rolled back well 164 by operator again In, until LED 180 becomes again continues " bright light " state.Now, operator The position of the first switch 178 is become again to " cut-out " state and will have 12VDC electric power External power source be connected to reel 142.After being connected to the external power source with electric power, behaviour Second switch 190 is switched to " on " position from " cut-out " position by author, thus starts The operation of the DC motor 56 being arranged in sampling pump assembly 10.Continue at DC motor 56 After operation a period of time, current leave from flowing out property management 176.Subsequently, by sewage from well It is pumped from a period of time, until fresh water is sucked in well 164.In extra use In by from flow out property management 176 the sewage purification retained time period after, fresh water sample with After be collected in sample container 192.

Being back to after it " cuts off " position at the first switch 178, operator is manually Carry out between electric power connector 194 and the electrical connecting piece 196 being arranged on control panel 146 Plug-in type connect and external power is connected to reel 142.Electric power connector 194 is via electricity The 12VDC electricity of the line of force cable 198 12 volts of DC batteries being connected to such as automotive vehicle etc Source 200.Such as it is usually provided with the hands operation holder (not shown) of automatic jumper cable group The end of electric power cable 198 can also be connected to, to contribute to groundwater sampling pumping system 126 are releasably connected to power supply 200.In pump operated period, sensor is by 12 volts DC battery supply electric power.Sensor 34 provides additional connection-shut-off features so that DC At sensor 34, motor 56 detects that sampling pump assembly 10 is positioned at the water level of well water volume 182 Automatically power-off time above surface 186.

With reference to Figure 10 and referring again to Fig. 9, the parts being arranged on control panel 146 include: (1) first switch 178, the first switch 178 can be " on/off " tumbler switch Or any kind of single-pole switch；(2) second switch 190, it is also possible to be " on/off " Toggle switch or any kind of single-pole switch；(3) LED 180, if LED 180 according to Dry aspect can provide green indicating lamp；And (4) connector 196, operator is by electric power Connector 194 is connected to this connector 196.Control panel 146 is additionally provided with pump speed and selects Device 202, this pump speed selector 202 according to some aspects be can the potentiometer of axial-rotation, This potentiometer is carried out rotating to control DC motor 56 in Z-operation speed with maximum by operator Speed of operation between speed of operation.The maximal rate of DC motor 56 and then DC motor The maximum pump rate of 56 depends on the degree of depth that sampling pump assembly 10 is positioned in well 164, because of Lifting total amount or total height needed for this DC motor 56 are (with reference to Fig. 9 based on height " C " Shown in).During the operation of groundwater sampling pumping system 126, operator can be by pump speed Degree selector 202 rotates the rotation " on " position to its maximum, thus allows with max-flow Measuring and discharge a period of time from outflow property management 176, this period of time is determined by operator.This behaviour After making the period, pump speed selector 202 can be rotated to select by operator subsequently counterclockwise From the slow speed of the discharge stream flowing out property management 176, this speed is suitable for sample container 192 Required fill rate.

With reference to Figure 11 and referring again to Fig. 3, Fig. 9 and Figure 10, the battery of such as automotive vehicle Etc standard 12VDC battery the behaviour of the operation for brushless DC motor 56 can be provided Make electric power.Under the electric current of 1 to 8 ampere, the power consumption of DC motor 56 is at about 50 watts Change between special to 150 watts.By contrast, as indicated herein, it is known that centrifugal pump The power consumption of groundwater sampling pumping system can be changed to up to 40 amperes from 20 amperes, and And typically require the high electric current AC power supplies with DC electric power phase transformation, therefore with known system Comparing, the power consumption of this groundwater sampling pumping system 126 decreases and is up to about 80%.Base In the use of 12VDC power supply 200, the curve 1 of Figure 11 shows following ranges: at well table The 1.25gpm that is about for groundwater sampling pumping system 126 at face or ground level 166 (adds Logical sequence every point) flow be decreased at maximum well depth " C " place of about 145 to 150 feet It it is the flow of zero gpm.

According to other aspects, supercharger (illustrate with reference to Figure 12 and describe) can be set, should 12VDC voltage is risen up to 18VDC by supercharger.Utilize supercharger, such as the song of Figure 11 The range of flow for groundwater sampling pumping system 126 shown in line 2 can be from well surface or ground Increasing at plane 166 is about the flow of 1.6gpm and is decreased to 150 feet of well depth " C " The flow of the about 0.7gpm at place.It is contemplated to, although still utilizing identical 12VDC power supply 200, but utilize supercharger can provide the pump operated degree of depth of maximum of about 180 feet.

With reference to Figure 12, circuit diagram provides the operation for groundwater sampling pumping system 126 Parts and data input and output port.The electronics for DC pump it is provided with at ESC202 Speed control (ESC), this electronic speed controller is connected to the first microcontroller 204. The output of sensor 34 is also connected to the first microcontroller 204, and the first microcontroller 204 is also It is provided with programming port 206 and with input system performance variable and controls set point.It is defeated that electric power is set Enter with actuator section 208 to control the electric power for operating brushless DC motor 56, electric power Input and actuator section 208 can include from 12VDC, voltage output is increased to about 18 The supercharger of VDC is to increase the operational depth of sampling pump assembly 10.Microcontroller 204 is also May be used for the total time forming chronometer to follow the trail of DC motor 56 operation.This total time can To be shown to by controlling the blinking action (such as bright light/action of turning off the light) of LED 180 use Person.Such as, if total run time is between 0 to 100 hour, then LED 180 is permissible When first assembly 10 is supplied to electric power, flicker is once.If total run time is 100 to 200 Between hour, then LED 180 can flash twice, if total run time is 200 to 300 Between hour, then LED 180 can flash three times, by that analogy.In each bright light/turn off the light In the case of having of short duration interval of turning off the light between sequence, blinking action can repeat, the heaviest Multiple three times.Hereafter, LED 180 can survey in conjunction with its talent for swimming and operate with to indicate pump external shell Body 12 is the most submerged in water.

With reference to Figure 13 and referring again to Fig. 9, it is also possible to provide for groundwater sampling pumping system Remotely operation and the data acquisition of 126.On reel 142, there is such as Voltaic battery etc location Low capacity the second battery 210, and the second battery 210 initially pacifies at sampling pump assembly 10 Install in well 164 period provide for LED 180 and sensor 34 operation electric power and There is provided to microcontroller 204 and the second microcontroller 212 when being not connected with 12VDC main power source Electric power.Second battery 210 is gathering before pump assembly 10 inserts well as brushless DC motor 56 Test operation enough electric power is provided.Second battery 210 is connected to the second microcontroller 212, Second microcontroller 212 communicates also with both LED 180 and pump speed selector 202 then And regulate the operation of both LED 180 and pump speed selector 202.Can also make alternatively By radio frequency transceiver, such as bluetoothAgreement wireless transceiver 214, this bluetoothAgreement without Line transceiver 214 communicates with the second microcontroller 212 via communication path 216.BluetoothAssociation View transceiver 214 provides for groundwater sampling pumping system 126 via wireless signal path 220 And the remote radio communication between the portable electric appts 218 of such as smart mobile phone etc.Just Take formula electronic equipment 218 can also utilize wireless propagation path 224 sampling pump system 126 with Data are transmitted between one or more subsystem 222 based on cloud.

Except providing for LED 180 and little second of the temporary electrical power of the operation of sensor 34 Beyond battery 210, reel 142 is also provided with the rechargeable battery of extra larger capacity 226.Battery 226 is set model and becomes to provide for the limited operating time of DC motor 56, To provide the sample stream of artesian well 164 when power supply 200 is unavailable.For convenience, battery 226 can be via any suitable mounting bracket or fixing device (not shown) with releasable Mode is installed to A-frame 128.

Groundwater sampling pumping system 126 can utilize such as smart mobile phone, panel computer, notes The portable electric appts of the personal electronic equipments of this computer or other forms substantially any etc 218 are controlled, are operable to and carry out data uploads or data are downloaded.This allows for each Well to motor speed control, water position status instruction, the operating time of motor 56, battery status, Trouble shooting, the most conventional motor operate the history number of the duration of runs and speed setting etc According to and other data be acquired and remotely access.Therefore, operator can also access Other well site data in addition to carrying out the past data of artesian well 164 are to determine for underground hydromining The potential setting of the sample pumping system 126 operation at the certain well of such as well 164.

Groundwater sampling pumping system 126 provides some advantages.These advantages include: (1) carries Having supplied the pumping system with 12 volts of brushless DC motors, this pumping system has and is arranged on pump assembly Circuit in housing and extend to be positioned at ground level position with the circuit from pump assembly housing The electric power cable of reel at place be grouped together for the order wire that this system is controlled Road so that the speed of operation of DC motor and electric current reduction compared with existing sampling pump system, from And improve operating efficiency；(2) there is the making of regenerative impeller of 12 volts of brushless DC motors With allowing the speed of operation of DC motor from having the existing sampling pump system of receded disk impeller In the case of be about 12,000 to 15,000rpm are reduced to about 8,000rpm, and this is notable Reduce the cavitation at impeller, thus improve pump assembly and the life-span of impeller and reduce Impact on the water sample aspirated from well；(3) for keeping the electric power of pump assembly and controlling cloth The reel of line includes embedded controller, and this embedded controller provides the local control to pump assembly System；(4) pump assembly is provided with water sensor, and this water sensor is remotely coupled to be positioned at reel Panel on LED, thus provide when pump is immersed in well water volume and visually indicate； (5) reel is additionally provided with the local battery of such as Voltaic battery etc, and this local battery is 12 Lie prostrate before main power system is connected to pump assembly 10 and the electric power for sensor is provided；(6) come The signal of autobiography sensor provides additional on/off feature so that indicate at sensor When pump assembly is positioned at above well water volume, pump automatically powers off；(7) L of pump assembly housing it is bonded on Bayonet pin in shape groove provides releasable assembly；(8) can also arrange within the roll except being used for Single battery beyond the Voltaic battery of LED operation, to provide the limited behaviour of DC motor Make；And (9) groundwater sampling pumping system 126 can utilize such as Portable mobile phone or flat The remote equipment of plate computer etc is controlled, is operable to and carried out data and uploaded or under data Carry, thus allow for each well motor speed control, water position status instruction, motor operation Time, battery status, trouble shooting, the most conventional motor operation operation time and speed set Fixed etc historical data and other data are acquired and remotely access.

With reference to Figure 14, it can be seen that according to the sampling pump assembly of another embodiment of the disclosure 300.Pump assembly 300 is at structurally and operationally aspect and sampling pump assembly 10 base discussed above In basis identical, in addition to indicated below.Sampling pump assembly 300 includes housing 302, this shell Body 302 have at first end 304 bending J-shaped groove 306 and with housing inlet port end The housing connection member 308 that parts 312 are associated has the J-shaped groove 310 of similar bending. Figure 15 A illustrates in greater detail J-shaped groove 310.Due to J-shaped groove 306 He in this example The structure of 310 is identical, therefore will only provide the detailed structure of J-shaped groove 310.It addition, Will be appreciated by, housing 302 includes a pair J-shaped groove of about 180 degree of being spaced apart from each other 306, and similarly, housing connection member 308 also includes a pair J-shaped groove 310 and The pair of J-shaped groove 310 is spaced apart from each other about 180 degree, although only it can be seen that J in Figure 14 A J-shaped groove in each in shape groove 306 and 310.

J-shaped groove 310 includes being gradually curved section 314 and slight enlarged end part 316.End Portion's part 316 contributes to limiting following point 318: when bayonet pin 320 (Figure 15) is pushed into J When being gradually curved in section 314 and be pushed to subsequently a little above 318 of shape groove 310, this point 318 provide shape retention feature.

With further reference to Figure 15, Figure 15 A and Figure 16, advancing to, bent section 314 is parallel Enter through during sweep 314, along with bayonet pin 320 point of arrival 318 and move through a little 318, at least one internal washer 322 (Figure 16) will start by the distal edge of blade wheel chamber 326 Edge 324 compresses.Point 318 contributes to when bayonet pin 320 is complete at point 318 one-tenth pushed over Shape " buckle " or " occlusion " action/tactile is produced when being bonded in enlarged end part 316 Sense.The generation of the buckle/snap-action slight compressibility by above-mentioned internal washer Assist.Owing to enlarged end part 316 defines distance D1 more smaller than distance D2, Therefore occur in that the locking in the shape maintenance of bayonet pin 320 and enlarged end part 316 is moved Make.When bayonet pin 320 is pushed to a little above 318 and fully engage at end sections 316 Time interior, user feels obvious buckle or snap-action (that is, sense of touch feedback), and this shows Bayonet pin fully rests upon in enlarged end part 316.In this stage, point 318 contributes to Prevent bayonet pin 320 from applying the situation of certain clear and definite reverse rotational force the person of being not used Under be pushed back in sweep 314.Therefore, this maintenance and parts 302 and 312 it Between good liquid-tight seal be achieved, set without the bayonet locking such as some previously research and development Any single sleeve required for meter or locking ring.

Figure 17 shows that be attached in pump assembly 300 is easily accessible by and removable annular horse Reach shaft seal 350.In this example it is seen that, motor drive shaft 57 and connecting elements 54 Engage.Around connecting elements 54 is lip ring 350.Sealing member 350 can be preferred Be the politef (PTFE) can being purchased from Parker Han Ni Fen company Potted component, or the sealing member of any applicable equivalents.Around sealing member 350 can To be to seal keeper 352, this sealing keeper 352 has body 354 and a pair O type Circle 356 and 358, the pair of O 356 and 358 rests upon respectively at upper annular recess 360 and lower annular recess 362 in.Sealing member 350 and sealing both keepers 352 are shelved on On the distance piece 364 being accurately sized, this distance piece 364 then be shelved on motor drive shaft 57 End face 366 on.It will be noted that the external diameter of distance piece 364 is than the external diameter of body 354 The biggest e.g., from about 0.015 inch, and preferably than mobile-bearing keeper parts 368 The internal diameter of recess 363 the least about 0.005 inch.This tighter tolerances allows sealing member 350 It is centrally positioned in the connecting elements 54 running through the whole assembly shown in Figure 17, without moving Dynamic off-center.

Removable supporting keeper parts 368 have pair of holes 370, and the pair of hole 370 connects Receive a pair threaded fastener 372.Threaded fastener 372 is combined in the end face of motor drive shaft 57 In tapped blind hole in 366.Threaded fastener 372 makes supporting keeper parts 368 to lead to Cross individual utilize the conventional hand tools of such as allen wrench, screwdriver etc on the spot quickly and Easily remove.Disassembly and reassembly can perform on the spot without complicated operation.? During dismounting, PTFEPotted component 350 and/or seal keeper 352 because of This can easily change without special tool(s).Seal keeper 352 and PTFEThe arranged concentric of potted component 350 also makes to seal keeper 352 can be with close Envelope element 350 and motor drive shaft 57 are directed at the most with one heart, and this further helps in really Protect the water-stop between supporting keeper parts 368 and motor drive shaft 57.With reference to Figure 18 to figure 20, it can be seen that regard according to the various of impeller keeper 380 of another embodiment of the disclosure Figure.Figure 21 to Figure 24 shows the impeller housing can being used together with impeller keeper 380 The various views of another embodiment of 382.Impeller keeper 380 is formed has inclined surface The pump intake of 384 (Figure 20), inclined surface 384 contributes to the most more efficiently drawing entrance stream Lead in vortex shape part 386 (Figure 18).In Figure 18 and Figure 20, vortex shape part 384a and vortex shape part 386a communicate with each other.Similarly, in Figure 21 to Figure 23, leaf Wheel housing 382 includes that rake 388, rake 388 contribute to the most efficiently by liquid stream It is guided out from vortex shape part 390.In Figure 21 and Figure 23, liquid stream is at a 390a Enter and leave in vortex shape part 390 and at part 390b of vortex shape part 390. Liquid stream enters the sloping portion 388 in Figure 21 when part 390a left.Therefore, tilt Part 384 and sloping portion 388 make it possible to more efficiently be directed to by vortex shape portion liquid stream Points 386 and the vortex shape part that formed of vortex shape part 390 in and by liquid stream from by vortex shape The vortex shape part that part 386 and vortex shape part 390 are formed is guided out.

Provide illustrative embodiments, thus the disclosure would is that detailed, and will be to Those skilled in the art intactly express the scope of the present disclosure.Elaborate that many details are as special Limiting-members, device and method example with provide embodiment of this disclosure thorough reason Solve.To those skilled in the art it will be apparent that detail need not be used, and can To embody enforcement illustrative embodiments with multiple different form, and significantly It is that detail and illustrative embodiments shall not be interpreted to limit the model of the disclosure Enclose.In some illustrative embodiments, do not describe known process, known in detail Apparatus structure and known technical method.

Term used herein is only used for describing specific exemplary embodiments, and not anticipates For restrictive.As used herein, singulative " ", " one " and " institute State " can also be intended to include plural form, unless the context.Term " bag Contain ", " including ", " including " and " having " be inclusive, and it is thus determined that explained The existence of feature, entirety, step, operation, element and/or the parts stated, but it is not excluded for one Individual or more feature, entirety, step, operation, element, parts and/or the existence of group or Increase.Method step described herein, process and operation are not construed as must be with institute Discuss or the certain order of explanation completes, carry out the most in order.Also should manage Solve, other step or substituting step can be used.

When element or layer be referred to as " ... on ", " being bonded to ", " being connected to " or " couple To " another element or during layer, it can directly on other element or layer and other element or Layer directly engages, is directly connected to or directly couples, or can there is intermediary element or centre Layer.By contrast, when element be referred to as " directly exist ... on ", " being spliced directly to ", " directly Be connected to " or " being attached directly to " another element or during layer, can not have intermediary element or Intermediate layer.Should understand to describe other use of the relation between element in an identical manner Word (such as, " ... between " with " and directly exist ... between ", " neighbouring " and " being directly adjacent to " Deng).As used herein, term "and/or" includes that one or more relevant is listed Any and all combination of item.

Although can use herein term first, second, third, etc. to describe various element, Parts, region, layer and/or section, but these elements, parts, region, layer and/or section Should not limited by these terms.These terms can be only used for distinguishing an element, parts, Region, layer or section and another region, layer or section.When with time in this article, term such as " the One ", " second " and other numerical terms are not meant to order or sequence, unless context is clear Chu shows.Therefore, the first element, parts, region, layer or section discussed below can It is known as the second element, parts, region, layer or section, without deviating from exemplary embodiment party The teaching of formula.

For the ease of being described, the term such as " position with space correlation can be used herein In ... interior ", " being positioned at ... outer ", " be positioned at ... under ", " being positioned at ... lower section ", D score, " be positioned at ... Top ", " on " and similar terms describe an element as the figures show or feature with Another element or the relation of feature.The term of space correlation can be intended to include except institute in accompanying drawing Outside the orientation described, the device different orientation when using or operate.Such as, if attached Device in figure is reversed, then be described as be in other element or feature " lower section " or " under " Element will be oriented at " top " of other element or feature subsequently.The most exemplary art Language " be positioned at ... lower section " can include above and below two kinds of orientations.Device can be with other Mode is oriented (90-degree rotation or be in other orientation), it is therefore to be understood that herein The description language that the space that used is relative.

In order to be illustrated and described, it is provided that the foregoing description content of embodiment.This description Content be not intended to into limit or limit the disclosure.Each element of particular implementation or Feature is typically not limited to this particular implementation, but can be interchangeable and energy when application It is enough in the embodiment chosen, even if this is not specifically shown or describes.Can also be with multiple Mode changes each element or the feature of particular implementation.This change should not be regarded as It is an off the disclosure, and all this amendments are intended to included within the scope of the present disclosure.

Claims

1. a sampling pump, described sampling pump is configured to use in wellhole for pumping described The liquid gathered in wellhole, described sampling pump includes:

Pump part, described pump part has external shell, and described external shell is configured for insertion into institute Stating in wellhole, described external shell has entrance and exit；

Pump element, described pump element is contained in described housing；

Direct current (DC) motor, it is interior for driving that described d.c. motor is contained in described external shell Dynamic described pump element, described pump element and described entrance and described outlet, and described pump unit Part is configured to when being rotatably driven by described DC motor be drawn into described from described wellhole by liquid In external shell and be pumped to described outlet；

Flexible cable assembly, described flexible cable assembly connects with described pump part, described flexible electrical Cable assembly is in described pump part drops to described wellhole and is arranged in the fluid in described wellhole DC electric power is supplied to described pump part time middle；

Reel assemblies, described reel assemblies has reel, described reel by framework with rotatable side Formula supports, and described rolled configuration becomes to make described flexible cable assembly energy when described pump part does not uses Enough it is wrapped on described reel and can when described pump external shell drops in described wellhole Unwind from described reel；

DC connector, described DC connector supports on said frame so that outside D/C power Described reel assemblies can be attached to, in order to supply electric power to described DC motor；

Liquid level sensor, described liquid level sensor is the most relevant to described external shell Connection, to detect whether described external shell positions in a fluid；And

Control panel, described control panel is supported by the described framework of described reel assemblies, described control Panel processed and described fluid sensor telecommunication and be configured so that user can:

Control the turned on and off operation of described DC motor；And

Outside D/C power is connected to described control panel with to described pump element supply electricity Power.

Sampling pump the most according to claim 1, wherein, described pump element includes impeller.

Sampling pump the most according to claim 2, wherein, described pump element includes regenerative pump Element.

Sampling pump the most according to claim 1, wherein, described flexible cable assembly includes position The labelling of long measure is measured in instruction on described flexible cable assembly.

Sampling pump the most according to claim 1, wherein, described DC motor includes brushless DC motor.

Sampling pump the most according to claim 1, also includes:

DC battery, the carrying of described DC battery on said frame and is electrically coupled to described sensing Device is to supply electric power to described sensor；

First switch, described first switch is associated for turned on and off with described control panel The DC electric power of described sensor；And

Indicator, described indicator with described sensor communication for the described external shell of instruction is In the no fluid being present in described wellhole.

Sampling pump the most according to claim 6, also includes the use being positioned on described control panel The energising of described DC motor and the second switch of power-off can be made in user.

Sampling pump the most according to claim 6, wherein, described indicator includes Optical devices, Described Optical devices provide for user instruction described sensor submergence the most in a fluid Signal.

Sampling pump the most according to claim 8, wherein, described indicator includes optical element, Described optical element was flashed intermittently in the case of energising before contact fluid, and existed subsequently Keep when being immersed in fluid being in the state persistently illuminated.

Sampling pump the most according to claim 1, wherein, described framework includes for receiving Described pump part and store the structure of described pump part when described pump part does not uses.

11. sampling pumps according to claim 1, also include user adjustable speed control Device processed, the adjustable speed control of described user is with described control panel operatively It is associated, enables the user to regulate the speed of described DC motor and therefore, it is possible to regulation is by institute State the flow that pump element produces.

12. sampling pumps according to claim 1, wherein, described sensor is configured in institute State sensor detect its no longer submergence in a fluid time automatically shut off described DC motor.

13. sampling pumps according to claim 1, wherein, described control panel is configured to note Record the total run time of described pump element operation and show described total run time to user.

14. sampling pumps according to claim 1, also include for making described control panel energy The short-range wireless transceiver of the long-range personal electronic equipments radio communication of enough and user.

15. sampling pumps according to claim 1, also include pipe, and described pipe is adapted to secure to The described outlet of described pump part is described for being guided out by the fluid pumped by described pump part Wellhole.

16. 1 kinds of sampling pumps, described sampling pump is configured to use in wellhole for pumping in institute Stating the liquid gathered in wellhole, described sampling pump includes:

Pump part, described pump part has external shell, and described external shell is configured for insertion into institute State in wellhole；

Two of entrance and exit, described entrance and the described external shell of each leisure of described outlet are contrary End is operatively associated with described external shell；

Pump element, described pump element is contained in described external shell；

Direct current (DC) motor, it is interior for driving that described d.c. motor is contained in described external shell Dynamic described pump element, described pump element and described entrance and described outlet, and described pump unit Part is configured to when being rotatably driven be drawn into liquid from described wellhole institute by described DC motor State in external shell and be pumped to described outlet；

Flexible cable assembly, described flexible cable assembly and described outlet are at described pump DC electric power is supplied to described pump part when positioning parts is in described wellhole；

Reel assemblies, described reel assemblies has reel, described reel by framework with rotatable side Formula supports, and described rolled configuration becomes to make described flexible cable assembly energy when described pump part does not uses Enough it is wrapped on described reel；

DC electrical connector, described DC electrical connector support on said frame for make from The DC electric power of outside D/C power can be attached to described reel assemblies, in order to described DC horse Reach supply electric power；

Liquid level sensor, described liquid level sensor be operatively associated with described housing with For detecting whether described housing positions in a fluid, described sensor is configured at described sensor Show the first optical signal time submerged in water and show when described sensor is not immersed in water Show the second optical signal；

DC battery, described DC cell support is in described reel assemblies, with not to described DC Electric power is provided to described liquid level sensor during motor supply electric power；

The engageable switch of user, the engageable switch of described user is not for to described DC horse Optionally supply electric power to described liquid level sensor when reaching supply electric power and cut off described liquid level The electric power of sensor；

Control the turned on and off operation of described DC motor；And

Described control panel will be electrically connected to from the DC of outside D/C power.

17. sampling pumps according to claim 16, also include the first housing connection member and bayonet socket Pin, described first housing connection member is arranged at the first end of described external shell and makes described Entrance can via in the L-shaped groove being formed on described first housing connection member or J-shaped groove at least One is attached to described external shell removably, and described bayonet pin is dashed forward from described entrance Go out.

18. sampling pumps according to claim 17, wherein, described housing includes described J Shape groove, and described J-shaped groove provide in shape, the joint of palpable clamp-close type is with to use Person indicates described bayonet pin shape to be bonded in described J-shaped groove.

19. sampling pumps according to claim 16, also include the second housing connection member and bayonet socket Pin, wherein, described second housing connection member be arranged at the second end of described external shell and Enable described outlet via the L-shaped groove being formed on described second housing connection member with removable Mode be attached to described external shell, described bayonet pin from described outlet highlight.

20. sampling pumps according to claim 16, also include second switch, and described second opens Close and be operatively associated so that user can control described DC with described control panel The operation of motor.

21. sampling pumps according to claim 17, also include user adjustable speed control Device processed, the adjustable speed control of described user is with described control panel operatively It is associated so that user can regulate the speed of described DC motor and therefore, it is possible to regulation is by institute State the flow that pump element produces.

22. 1 kinds of sampling pump assemblies, including:

Pump external shell, described pump external shell has the inlet cap including multiple water intake end mouths, Described inlet cap utilizes bayonet pin to be connected to described pump external shell, and described bayonet pin extends through Pair of L-shaped groove in first housing connection member or a pair J-shaped groove in described first housing connection member In at least one；

Outlet end cap, described outlet end cap utilizes bayonet pin to be connected to described pump external shell, and Described outlet end cap has for outflow property management is releasably connected to the described port of export The pipe connections of lid；

Pump assembly, described pump assembly has the regenerative impeller being connected to brushless DC motor, described Brushless DC motor is positioned in described pump external shell and described regenerative impeller is positioned at described In inlet cap, described brushless DC motor is with about 8, and 000rpm operates, thus provides up to 150 The lift of foot；

Sensor, described sensor extends beyond described outlet end cap, and described sensor is at described pump Sensing letter is provided time below the water surface that assembly is immersed in the wellhole residing for described pump external shell Number；

Reel assemblies, described reel assemblies has rotatable support reel for by flexible cable group Part is supported on described rotatable support reel, and described flexible cable assembly is configured to described brushless DC motor supply DC electric power, described flexible cable assembly can be wrapped in described rotatable support On reel and can be when described pump assembly drops in described wellhole from described rotatable support Reel unwinds；

At least one internal cell, at least one internal cell described is carried by described reel assemblies, At least one internal cell described provides the electric power for described sensor；

LED, described LED are arranged in described reel assemblies, and described LED construction becomes Continue time when described pump assembly drops in described wellhole and before described sensor contacts water Ground flicker；

Described LED becomes, when described pump assembly extends to below water level surface, the shape persistently illuminated State；And

Multiple range marks, the plurality of range mark is formed on described flexible cable assembly, with Enable a user to determine that described pump external shell is positioned at the degree of depth in described wellhole.