CN110273831A - Control device for pump - Google Patents
Control device for pump Download PDFInfo
- Publication number
- CN110273831A CN110273831A CN201910194931.2A CN201910194931A CN110273831A CN 110273831 A CN110273831 A CN 110273831A CN 201910194931 A CN201910194931 A CN 201910194931A CN 110273831 A CN110273831 A CN 110273831A
- Authority
- CN
- China
- Prior art keywords
- hollow body
- control device
- control unit
- control
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/025—Stopping, starting, unloading or idling control by means of floats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/04—Regulating by means of floats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
- F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
- H01H35/186—Switches operated by change of liquid level or of liquid density, e.g. float switch making use of a cable suspended floater containing an inclination sensing switch
Abstract
The control device (1) that this application discloses a kind of for pump, it includes the hollow body (5) for being connected to one end of flexible member (10), on hollow body (5) and it is configured to measure its angle with respect to the horizontal plane, and by angular transition be electrical output signal orientation sensors (15), at hollow body (5) and orientation sensors (15) are connected to receive the control unit (16) of output signal, it is connected to control unit (16) and is configured for being connected to the power supply terminal (17a of power supply (102), 17b), with the control terminal (18) for being connected to control unit (16), wherein control unit (16) is configured to be determined in control terminal (18) according to the output signal from orientation sensors (15) for activating electrodynamic pump (10 1) power current.
Description
Technical field
The present invention relates to hydraulic press field, the control device more particularly, to pumped and the liquid level including above-mentioned control device
Adjuster.
Background technique
The device for becoming known for control pump is referred to as float switch, and the floating body including being connected to pump by flexible cable.
Floating body is configured such that it can be placed in chamber or tank " P ", and if is completely or partially immersed in liquid
In body, then the effect by a pair of of power, for example, by being tilted a certain angle it, to determine the power in floating body (float element)
Square, the angle depend on the height of liquid in chamber or tank " P ".
This includes the hydrostatic power (hydrostatic force) being directed upwards towards and the electricity by being fixed to floating body on pump to power
The downward opposite force that cable applies.
In addition, the floating body in prior-art devices includes the sensor for measuring gradient, which is generally included
Ball or slide mass, slide mass can be moved along guide part, to reach when guide part (and therefore floating body) greater than predetermined threshold
When the inclination angle of value, start switch.
In the float switch of the prior art, switch is directly connected to pump for driving it and by flexible cable
Electrically connect as its power supply.
Disadvantageously, due to the inherent limitations of the switch of the available type in the prior art, this configuration limits
The maximum intensity for being directed toward the electric current of pump is 8 inductance amperes, this is inadequate for most heavy duty use.
For the disadvantage for overcoming the current strength be directed toward and pumped low, the float switch including configuring as described above has been developed
Liquid level regulator, be located at pump side, be connected to control panel, the control panel by the current switching from sensor at
The electric current of higher intensity, in this way with bigger power come pump operation.
For example, describing the device of the prior art in patent document DE3610984A1.
Summary of the invention
Herein, the technical purpose for constituting present invention basis is to provide a kind of control device for pump and opposite liquid level
Adjuster, which overcome at least some disadvantages mentioned above of the prior art.
More specific, it is an object to provide a kind of control device and opposite liquid level regulator for pump, it can
To increase the electric power that can be used for powering for electrodynamic pump.
It is a further object to provide a kind of control devices for pump and a kind of opposite liquid level regulator, it compares
The device volume of the prior art is small.
Pointed technical purpose and the purpose illustrated are basically by the control device and opposite liquid level tune for pump
Device is saved to realize comprising the technical characteristic described in one or more appended claims.
Dependent claims correspond to possible embodiment of the invention.
Detailed description of the invention
Other features and advantages of the present invention are in the following control device and opposite liquid shown in the drawings to for pump
It is more obvious in the non restrictive description of the preferred embodiment of position adjuster.
Below with reference to the accompanying drawings it being described, attached drawing provides for illustration purposes only, and does not limit the scope of the invention,
And wherein:
Fig. 1 be according to the present invention and manufacture for pump control device simplified side view；
Fig. 2 be according to the present invention and manufacture liquid level regulator use configuration simplification view；
Fig. 3 shows the schematic diagram of the liquid level regulator of Fig. 2.
Specific embodiment
With reference to attached drawing, the control device for pump is generally indicated with appended drawing reference 1, and hereinafter referred to as " control
Device 1 " processed.
Control device 1 includes the hollow body 5 extended around axis or main extension plane, so that at least one use condition
Under, above-mentioned plane or main extension axis are substantially parallel to horizontal planar orientation.
In a preferred embodiment, hollow body 5 extends along main extension axis, and has the portion along above-mentioned extension axis
Divide and rounded ends, the part along above-mentioned extension axis have the cross section gradually increased, the rounded ends are located at
The end of the part with the cross section gradually increased allows to provide bigger displacement in the side of rounded ends
(and therefore there is bigger buoyancy).
More specifically, in an illustrated embodiment, hollow body 5 has substantially circular shape, with static pressure thrust
Center, the static pressure thrust center is not overlapped with its center line, is moved to the side of rounded ends but more.
Hollow body 5 is connected to the end of flexible member 10, and is configured to be located in chamber or tank " P ", for controlling
Make the liquid level of liquid present in it.
Preferably, flexible member 10 includes the flexible cable 11 that may be connected to electrodynamic pump 101, is configured in hollow body
Apply restraining force on 5, which combines with the gravity acted on hollow body 5, by changing hollow body 5 relative to level
The gradient in face and neutral buoyancy thrust simultaneously limit hollow body 5 and can enclose the rotation center rotated about.
Hollow body 5 has a shape to determine effect buoyancy thrust on it, the buoyancy thrust define relative to
The arm of above-mentioned rotation center, to apply torque on hollow body 5 and to determine that the variation of its gradient with respect to the horizontal plane (is made
For the function of the volume of immersion part).
This causes the orientation of hollow body 5 to change as the function of the height of the liquid quality in chamber or tank " P ", wherein
Hollow body 5 is at least partially submerged in the liquid.
Preferably, flexible cable 11 is connected to hollow body 5, so that it is along incident direction and preferably along substantial
Perpendicular to the side of main extension axis (or along substantially perpendicular to main extension plane in embodiment with a hollow body 5)
Xiang Congqi is prominent.
According to equivalent embodiment, the flexible cable 11 of control device 1 is connected to hollow body 5, so that when hollow body 5 is according to just
When the exemplary orientation positioning for the configuration being often used, flexible cable 11 is real relative to the direction of the static pressure thrust acted on hollow body
It is angularly separated in parallel or slightly in matter, in addition to being led due to the use configuration relative to the liquid level in chamber or tank " P "
The variation of the gradient of cause.
Preferably, flexible cable 11 is at the side surface close to its end (especially opposite with above-mentioned rounded ends
End) it is connected to hollow body 5, to be separated with bigger buoyancy and the part.
More specifically, (it points up and has the function of the volume of the immersion part as hollow body 5 to static pressure thrust
Variable intensity), the tension of downwardly directed gravity and flexible cable 11 aid in determining whether the power of hollow body 5 (and therefore its
Orientation in space) balance.
Preferably, flexible cable 11 and its with the connection of hollow body 5 be configured for balancing gravity and static pressure thrust it
Between any difference.
In this respect, different uses configuration is possible: in first embodiment shown in fig. 1 and 2, hollow body
5 weight is greater than the intensity of static pressure thrust, and flexible cable 11 is configured to apply upward tension on hollow body 5, with
It is kept at least partly to increase relative to the bottom of chamber or tank " P ".
In unshowned second embodiment, the weight of hollow body 5 is less than the intensity of static pressure thrust, and flexible cable 11
It is configured to apply downward thrust on hollow body 5.
In the above two embodiments, the tie point between flexible cable 11 and hollow body 5 has determined the rotation of hollow body 5
(due to thrust variation and the rotation that generates) center position.
More specifically, flexible cable 11 is connected to hollow body 5, position is far from static pressure thrust center, to determine static pressure
Arm between thrust center and rotation center, the moment arm corresponding to the static pressure thrust used on hollow body 5.
Preferably, said arm is sufficiently large, to allow the gradient of hollow body 5 as the intensity of static pressure thrust in use
Function and change.
In other words, arm is configured to determine that the variation of the gradient of hollow body 5 (immerses the volume of part as it
The function of (and therefore, under conditions of use, the amount of liquid " P " in chamber or tank)).
In an illustrated embodiment, arm by control device 1 operative configuration (for example, wherein it is above-mentioned extend vertically axis or
Plane be horizontal operative configuration) in rotation center main extension axis (or plane) on corresponding vertical projections pushed away with static pressure
The distance between power center limits.
In a preferred embodiment, hollow body 5, which supports printed circuit 14 and formed, is used for printed circuit 14 and flexible cable 11
Impermeable shell, and there are the multiple electricity for being configured to for printed circuit 14 to be connected to electrodynamic pump 101 on inside
Contact.
In addition, hollow body 5 supports orientation sensors 15, orientation sensors 15 are configured to measurement with respect to the horizontal plane
Angle and angle is switched to electrical output signal.
Preferably, orientation sensors 15 include rotary body or slide mass, are positioned over the guide and as guide part
Gradient function it is removable along guide part by gravity, and including the switch along guide positions, so that being oriented to
There are in the case where scheduled tilt angle, the switch can be opened part (and therefore hollow body 5) by rotary body or slide mass
It is dynamic.
More specifically, above-mentioned switch is connected to printed circuit 14 or is preferably connected thereto or integrates, to export
Signal is transferred to control unit 16, and control unit 16 is located at hollow body 5 and is preferably also integrated in printed circuit 14.
In addition, control device 1 includes power supply terminal, the power supply terminal is connected to control unit 16, for passing through flexibility
Cable 11 is connected to power supply 102.
Preferably, the power supply terminal includes first being connected 17a and neutral connection 17b associated therewith.
In addition, control device 1 includes control terminal, the control terminal is connected to control unit 16, it is preferable that including wearing
It crosses the second of flexible cable 11 and is connected 18.
Advantageously, control unit 16 is configured to according to determining in control terminal from the output signal of orientation sensors 15
Power current.
Above-mentioned power current is used to activate the electrodynamic pump 101 of liquid level regulator 100, and control device 1 can pass through flexible cable
11 are connected to liquid level regulator 100, so that control terminal is connected to its power circuit.
More specifically, control unit 16 includes being controlled by the output signal of orientation sensors 15 and being connected to first to be connected
Connect 17a and second be connected 18 activating relay 20, to establish and interrupt the electrical contact between them in a controlled manner,
To establish and interrupt the power supply to electrodynamic pump 101.
Preferably, control device 1 further includes grounding connection 19, which passes through flexible cable 11, for will be by
All electric components ground connection that hollow body 5 supports.
In a preferred embodiment, the above-mentioned ruler for constituting power supply and/or control terminal and the component of control unit 16 listed
Very little and construction is configured to operate in the case where there is the electric current for being even greater than 16 inductance amperes, and in particular, suitable
Together in working in the case where there are the electric current between 9 to 22 inductance amperes (preferably 11 to 16 inductance amperes).
Another object of the present invention is a kind of liquid level regulator 100 comprising above-mentioned control device 1 is electrically connected to
Two electrodynamic pumps 101 for being connected 18 and neutral connection 17b, and it is electrically connected to the first friendship for being connected 17a and neutral connection 17b
Galvanic electricity source 102.
Control device 1 establishes and/or interrupts being electrically connected between power supply 102 and electrodynamic pump 101 according to the orientation of hollow body 5
It connects, to control the liquid level of the liquid in chamber or tank " P ".
Preferably, electrodynamic pump 101 and power supply 102 be configured to there are 9 to 16 amperes (preferably 11 to 14 peace
Training) between electric current in the case where operate.
The shortcomings that present invention is by eliminating the prior art realizes setting target.
In fact, being mutually arranged due to orientation sensors and control unit and corresponding terminal, described control
Device and liquid level regulator allow using compared with prior art with the electrodynamic pump of higher power, and in the present invention, switch is straight
It connects starting and closes for the circuit for electrodynamic pump power supply, and do not need using additional control panel, therefore allow bigger
Using elasticity and cause overall dimensions to reduce.
Claims (11)
1. a kind of control device (1) for pump, comprising:
It is connected to the hollow body (5) of one end of flexible member (10)；
The orientation sensors (15) being located on the hollow body (5) are configured to measure the hollow body (5) relatively
It is electrical output signal in the angle of horizontal plane, and by the angular transition；
Control unit (16) is located at the hollow body (5), and is connected to the orientation sensors (15), to receive
State output signal；
Power supply terminal (17a, 17b) is connected to described control unit (16), and is configured to the control is single
First (16) are connected to power supply (102)；
It is connected to the control terminal (18) of described control unit (16),
It is characterized in that, described control unit (16) is configured to be believed according to the output from the orientation sensors (15)
Number, determine the power current for being used to activate electrodynamic pump (101) in control terminal.
2. control device (1) according to claim 1, wherein described control unit (16) includes activating relay (20),
The activating relay (20) acts on the power supply terminal (17a, 17b), for being the electricity according to the output signal
The motor of dynamic pump (101).
3. control device (1) according to claim 1 or 2, wherein the orientation sensors (15) include rotary body or cunning
Kinetoplast and switch, the rotary body or slide mass can be mobile along the guide part with the hollow body (5) one by gravity,
The switch can be operated by the rotary body or slide mass.
4. control device (1) according to claim 2 or 3, wherein the hollow body (5) supports printed circuit (14), and
And wherein, the switch and the activating relay (20) of the orientation sensors (15) are installed in the printed circuit
(14) on, so that the starting and closing of activating relay described in the switch control (20).
5. control device (1) according to any one of the preceding claims, wherein the flexible member (10) includes that can connect
It is connected to the flexible cable (11) of electrodynamic pump (101), the flexible cable (11) is configured as the hollow body (5) at least portion
Sub-dip not in the function of the height of liquid quality wherein, come determine hollow body described in use (5) orientation variation, it is described
Control terminal (18) and/or the power supply terminal (17a, 17b) include multiple corresponding electrical connections, and the electrical connection is located at described
In flexible member (10) and it is configurable for described control unit (16) being connected to the electrodynamic pump (101).
6. control device (1) according to claim 5, including grounding connection (19), the grounding connection passes through described soft
Property cable (11) to make described control unit (16) be grounded.
7. control device (1) according to any one of the preceding claims, wherein the power supply and/or control terminal
The size and/or construction of (17a, 17b, 18) and described control unit (16) are configured in the presence of up to 16 inductance amperes
Electric current in the case where operated.
8. control device (1) according to any one of the preceding claims, wherein the power supply terminal includes first connected
It meets (17a) and is connected (17a) associated neutral connection (17b) with described first, and the control terminal includes second
Be connected (18), and described control unit (16) control described first is connected (17a) and described second is connected between (18)
Electrical contact.
9. control device (1) according to any one of the preceding claims, wherein the hollow body (5) includes the control
Unit (16) processed, described control unit are preferably located in the hollow body (5).
10. a kind of liquid level regulation device (100) comprising control device (1) according to claim 1 to 9 and
It is connected to the electrodynamic pump (101) of the control terminal (18) of the control device (1), so that coming from the institute of the control device (1)
The electric current of control unit (16) is stated as the electrodynamic pump (101) power supply, and preferably controls the pumping of the electrodynamic pump (101)
Speed.
11. liquid level regulation device (100) according to claim 10, wherein the electrodynamic pump (101) is configurable for
It is operated in the case where there is the up to electric current of 16 inductance amperes from the control device (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102018000003542A IT201800003542A1 (en) | 2018-03-14 | 2018-03-14 | Control device for pumps |
| IT102018000003542 | 2018-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110273831A true CN110273831A (en) | 2019-09-24 |
Family
ID=62530370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910194931.2A Pending CN110273831A (en) | 2018-03-14 | 2019-03-14 | Control device for pump |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3540225B1 (en) |
| CN (1) | CN110273831A (en) |
| IT (1) | IT201800003542A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK112180B (en) * | 1963-07-08 | 1968-11-18 | Hollesens H Fab As | Swimmer for fluid level control system. |
| DE3610984A1 (en) * | 1986-04-02 | 1987-10-08 | Blum Albert | Device for switching on and off electromotively driven pumps |
| FR2997203A1 (en) * | 2012-10-23 | 2014-04-25 | Robert Antoine Rene Cretaz | Level regulator for regulating levels of liquids in e.g. water tower, has indicator lights lighted in working position to visualize and indicate better operation of regulator, which is arranged to swing to position |
| SE540018C2 (en) * | 2014-06-17 | 2018-02-27 | Xylem Ip Man Sarl | Method of shutting down a pump and pump station arrangement |
-
2018
- 2018-03-14 IT IT102018000003542A patent/IT201800003542A1/en unknown
-
2019
- 2019-03-13 EP EP19162490.7A patent/EP3540225B1/en active Active
- 2019-03-14 CN CN201910194931.2A patent/CN110273831A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT201800003542A1 (en) | 2019-09-14 |
| EP3540225A1 (en) | 2019-09-18 |
| EP3540225B1 (en) | 2020-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2452473A1 (en) | System and method for the production of oil from low volume wells | |
| CN106351813B (en) | The inclined disc type electric ratio axial plunger pump of compact and its control method | |
| CN102918261B (en) | A linear generator for submerged use and a method of producing electric energy | |
| EP2833003A1 (en) | Boom drive device | |
| CN110273831A (en) | Control device for pump | |
| JP6561548B2 (en) | Underwater power generator | |
| CN108916138B (en) | Hydraulic system, control method thereof and engineering machinery | |
| RU2020134796A (en) | SUBMERSIBLE MACHINE WITH ELECTRIC DRIVE | |
| CN111433451B (en) | Wave power generation system | |
| CN110065604B (en) | Control method of sailing equipment under constant water level with current | |
| KR102502311B1 (en) | devices and switch devices | |
| CN110481728A (en) | Self-balancing surfboard | |
| EP3540235B1 (en) | Control device for pumps | |
| EP3268612B1 (en) | Float switch device for submersible pumps | |
| CN108750025A (en) | A kind of stinger angle regulator and method | |
| CN111348595B (en) | Descending speed control system of forklift lever | |
| JP2563992B2 (en) | Pump device | |
| RU2709083C1 (en) | Tethered copter | |
| US6864445B1 (en) | Latching fluid level switch | |
| CN211449086U (en) | Electric control type submersible pump | |
| CN110069069B (en) | Height fixing component | |
| CN205294728U (en) | Automatic suspending device | |
| US10442500B2 (en) | Control system for a watercraft's lifting surfaces | |
| CN110651123A (en) | Oil pressure system | |
| CN211642560U (en) | Buoyancy and attitude adjustment integrated system of manned submersible |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190924 |
|
| WD01 | Invention patent application deemed withdrawn after publication |