CN108448824A - A kind of submersible pump unit - Google Patents

A kind of submersible pump unit Download PDF

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Publication number
CN108448824A
CN108448824A CN201810479754.8A CN201810479754A CN108448824A CN 108448824 A CN108448824 A CN 108448824A CN 201810479754 A CN201810479754 A CN 201810479754A CN 108448824 A CN108448824 A CN 108448824A
Authority
CN
China
Prior art keywords
water level
level switch
arm pole
immersible pump
submersible pump
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
Application number
CN201810479754.8A
Other languages
Chinese (zh)
Inventor
高洪兵
徐德俊
袁文波
杨晓星
王钦若
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong University of Technology
Original Assignee
Guangdong University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong University of Technology filed Critical Guangdong University of Technology
Priority to CN201810479754.8A priority Critical patent/CN108448824A/en
Publication of CN108448824A publication Critical patent/CN108448824A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21Devices for sensing speed or position, or actuated thereby
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/18Switches operated by change of liquid level or of liquid density, e.g. float switch
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays

Abstract

The invention discloses a kind of submersible pump units, above-mentioned submersible pump unit, including immersible pump ontology (1) and to control the water level switch (2) of immersible pump ontology (1) start and stop, immersible pump ontology (1) is connected with link mechanism (3), and link mechanism (3) is fixedly connected with water level switch (2) and to control water level switch (2).The submersible pump unit can solve the problems, such as sensed water level by the closed-loop system of design when immersible pump ontology is in any attitude, to timely deenergization, avoid initiation accident, realize the function of automatically powering off protection, ensure system stabilization, reliable operation.

Description

A kind of submersible pump unit
Technical field
The present invention relates to electronic product technical field, more particularly to a kind of submersible pump unit.
Background technology
In recent years, the dynamics of the support of New Energy Industry is continued to increase with country, the battery truck of new energy enters house Family in every family, while providing convenient for the trip of people, decreases the harm to environment.The accumulator that battery truck uses has An important factor for the advantages of easy to use, convenience and high-efficiency, this is also used widely as it, for example, some electrical equipments are outstanding It is low-voltage DC motivation often using accumulator as energy source.In addition, using low-voltage DC motivation as the immersible pump of power It is simple in structure, stablize it is durable, agricultural irrigation (especially dry weather with well water meet an urgent need situation), small range draining etc. it is all It is multi-field to be widely used.It is largely facilitated very when accumulator and low-voltage direct immersible pump are applied in combination More agricultural production lives.
Immersible pump needs to be submerged in water in normal work, to meet the needs of motor is to heat dissipation.However, existing Using the low-voltage direct submerged pump system that accumulator is energy source as open loop structure, can not when water level is too low deenergization, from And lead to burn-down of electrical machinery, or even cause fire, cause safety accident.In addition, by immersible pump own institutions and surrounding building ring The limitation in border etc., it is difficult to ensure that the attitude stabilization of immersible pump ontology, so, toppled over by external force when immersible pump ontology or When cannot keep normal stand posture, there have been difficulties at a distance from the water surface for submerged pump system detection, also cannot be in water level Timely deenergization when too low, to ensure the reliable and stable of whole system.
Therefore, how to solve the problems, such as submersible pump unit can when immersible pump ontology is in any attitude sensed water level, To timely deenergization, it is reliably those skilled in the art's skill to be solved at present to avoid initiation accident, guarantee system stabilization Art problem.
Invention content
The object of the present invention is to provide a kind of submersible pump unit, which has closed-loop system, can ensure that immersible pump exists The purpose that the low water level detection of reliably working can be realized under any attitude, to automatically power off the work(of protection with low water level Energy.
To achieve the above object, the present invention provides a kind of submersible pump unit, including immersible pump ontology and latent to control The water level switch of water pump body start and stop, the immersible pump ontology are connected with link mechanism, and the link mechanism is opened with the water level Pass is fixedly connected and to control the water level switch.
Preferably, the link mechanism include be set to immersible pump ontology rotation connection and rotary centerline it is described The first arm pole in immersible pump body axis direction.
Preferably, the first arm pole is rotatablely connected by water-sealed bearing and the immersible pump ontology.
Preferably, the first arm pole is hinged with the second arm pole by articulated shaft.
Preferably, the second arm pole is connected with third arm pole by universal joint.
Preferably, the third arm pole is fixedly connected with the water level switch.
Preferably, the water level switch is connected with buoy, buoy setting coaxial with the water level switch.
Preferably, the buoy is set to below the water level switch and is axially perpendicular to control the water level switch The water surface.
Relative to above-mentioned background technology, the present invention is required for the different of submersible pump unit, is devised a kind of easy to be latent Water pump low water level automatic protective system, can be reliable in time to cut off motor power when water level is too low, in the prior art On the basis of improve submersible pump unit switching mechanism, submersible pump unit no longer by being with original low-voltage direct submerged pump system Protection system of the open cycle system as low water level, but realize immersible pump ontology under any attitude by the closed-loop system of design Low water level automatically power off defencive function.Specifically, by connecting link mechanism between immersible pump ontology and water level switch, On the one hand flexible axial rotation may be implemented using link mechanism self structure;On the other hand, no matter immersible pump ontology is in The upright or side link mechanism of falling state can realize the purpose of control water level switch.So, by connecting connecting rod machine Structure can solve the problems, such as submersible pump unit sensed water level in the case where immersible pump ontology is in any attitude, to disconnect electricity in time Source avoids initiation accident, ensures that system is stable, reliably runs.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of submersible pump unit overall structure diagram disclosed by the embodiments of the present invention;
Fig. 2 is the structural schematic diagram of switching mechanism in Fig. 1;
The operating diagram of submersible pump unit when Fig. 3 is high water level;
Fig. 4 is the enlarged diagram at the positions A in Fig. 3;
Operating diagram of the submersible pump unit when immersible pump ontology is upright when Fig. 5 is low water level;
Fig. 6 is the enlarged diagram at the positions B in Fig. 5;
Operating diagram of the submersible pump unit when this side of immersible pump is fallen when Fig. 7 is low water level.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of submersible pump unit, which can solve to be in immersible pump ontology Under any attitude the problem of sensed water level, timely deenergization is realized, ensure system stabilization, the purpose of reliability service.
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and it is embodied The present invention is described in further detail for mode.
It should be noted that be all based on specification attached for the nouns of locality such as " upper end, lower end, left side, right side " described below Defined in figure.
It is a kind of submersible pump unit overall structure diagram disclosed by the embodiments of the present invention to please refer to Fig.1 to Fig. 7, Fig. 1;Figure 2 be the structural schematic diagram of switching mechanism in Fig. 1;The operating diagram of submersible pump unit when Fig. 3 is high water level;Fig. 4 is A in Fig. 3 The enlarged diagram at position;Operating diagram of the submersible pump unit when immersible pump ontology is upright when Fig. 5 is low water level;Fig. 6 is The enlarged diagram at the positions B in Fig. 5;Operating diagram of the submersible pump unit when this side of immersible pump is fallen when Fig. 7 is low water level.
In embodiment provided by the present invention, as depicted in figs. 1 and 2, submersible pump unit includes immersible pump ontology 1 and water level Switch 2, water level switch 2 is controlling 1 start and stop of immersible pump ontology.In normal operation, immersible pump needs to submerge in water, comes Meets the needs of motor is for heat dissipation, the effect of water level switch 2 is mainly:On the one hand, switch contact is connected, to connect electricity The power circuit of motivation;On the other hand, need of the motor for heat dissipation be cannot be satisfied when the working water level of submersible pump unit is too low When asking, in order not to cause burn-down of electrical machinery, cause safety accident, need timely to disconnect switch contact, so that relay is disconnected Open the power circuit of motor.
Herein, link mechanism 3 is connected between immersible pump ontology 1 and water level switch 2, link mechanism 3 is fixedly connected on latent 1 upper end of water pump body, and be fixedly connected with water level switch 2, meanwhile, link mechanism 3 has control 2 freedom and flexibility of water level switch Mobile effect.Specifically, it by connecting link mechanism 3 between immersible pump ontology 1 and water level switch 2, on the one hand utilizes Flexible axial rotation may be implemented in 3 self structure of link mechanism;On the other hand, no matter immersible pump ontology 1 be in it is upright or The side link mechanism of falling state 3 can realize the purpose of control 2 freedom and flexibility of water level switch movement.So, pass through connection There is the closed-loop system of link mechanism 3 that can solve the problems, such as that the sensed water level under unstable posture of immersible pump ontology 1 is difficult, to Timely deenergization avoids initiation accident, ensures that system is stable, reliably runs.
In the present embodiment, as shown in Fig. 2, link mechanism 3 includes the first arm pole 31, the first arm pole 31 and immersible pump ontology 1 rotation connection, rotary centerline are set to the axis direction of immersible pump ontology 1.That is, link mechanism 3 passes through first The rotation connection of arm pole 31 and immersible pump ontology 1, so as to realize that entire mechanism can surround the axis side of immersible pump ontology 1 To rotation.
First arm pole 31 is rotatablely connected mode with immersible pump ontology 1 and is realized preferably by water-sealed bearing 4, water-sealed bearing 4 Not only there are the excellent performances such as the low vibrations of plain bearing, low noise, running accuracy height, and water-sealed bearing 4 in bearing side or One sealing ring of buckle closure between the Internal and external cycle of both sides, sealing ring inside is annular groove shape, close to the ring of the sealing ring of bearing inner race It is arranged with spring couplingplate on cell wall, there is sealing securely, reliable waterproof and dustproof, the feature for protecting oil.
Certainly, according to actual needs, the first arm pole 31 can have other different from the rotation connection mode of immersible pump ontology 1 Set-up mode be not limited to above-mentioned setting herein premise is that ensureing entire mechanism stable, reliable operation.
Obviously, the structure being rotatablely connected only by one still far can not meet link mechanism 3 and pass through self structure Realize flexible axial rotation, and no matter immersible pump ontology 1 can be realized in the upright or side link mechanism of falling state 3 The purpose of 2 freedom and flexibility of water level switch movement is controlled, therefore in the present embodiment, the first arm pole 31 is also associated with the second arm pole 32, Second arm pole 32 is connected with third arm pole 33, that is to say, that 32 one end of the second arm pole is connected with the first arm pole 31 and the other end connects It is connected to third arm pole 33.
Specifically, 32 one end of the second arm pole is hinged on 31 end of the first arm pole by articulated shaft, so, by hinged The hinged effect of axis, the second arm pole 32 can be rotated relative to the first arm pole 31, i.e., pass through 4 phase of water-sealed bearing in the first arm pole 31 On the basis of capable of being rotated for immersible pump ontology 1, the second arm pole 32 can be rotated relative to the first arm pole 31;In addition, second 32 other end of arm pole is connected with third arm pole 33, and more particularly, second this one end of arm pole 32 passes through universal joint structure Realize the connection with third arm pole 33, so, by the effect of universal joint, third arm pole 33 is relative to the second arm pole 32 can turn to any direction, i.e., on the basis of the second arm pole 32 is rotated by articulated shaft relative to the first arm pole 31, third Arm pole 33 can be rotated relative to the second arm pole 32 along any direction.
On the basis of the above, third arm pole 33 is fixedly connected with water level switch 2, and control water level switch 2 may be implemented in this way The purpose of freedom and flexibility movement.It is rotatablely connected that is, link mechanism 3 is realized by water-sealed bearing 4 and immersible pump ontology 1, So, so that it may to ensure that entire mechanism can surround the axial-rotation of immersible pump ontology 1, then, utilize the second arm pole 32 is hinged by articulated shaft and the realization of the first arm pole 31, to which the second arm pole 32 can be rotated relative to the first arm pole 31, finally, It recycles third arm pole 33 to realize by universal joint and the second arm pole 32 to connect, to which third arm pole 33 is relative to the second arm Pole 32 can be rotated along any direction;So, link mechanism 3 by above-mentioned connection structure may be implemented no matter immersible pump Ontology 1 is standing state or state is fallen in side, can realize that link mechanism 3 controls the mesh of 2 freedom and flexibility of water level switch movement 's.
Usually, articulated shaft can have diversified forms, the articulated shaft of which kind of form no matter be used, as long as the second arm pole 32 can be rotated relative to the first arm pole 31 to realize above-mentioned function, be not limited to above-mentioned setting herein.
Certainly, according to actual needs, universal joint structure can also use different set-up modes, no matter which kind of use The connection type of form, as long as third arm pole 33 can turn to any direction to realize above-mentioned function i.e. relative to the second arm pole 32 Can, it will not be described in great detail herein.
In order to optimize above-described embodiment, as shown in Fig. 3 to Fig. 7, on the basis of structure above, water level switch 2 is also It is connected with buoy 5, by the setting of buoy 5, no matter in the normal operation circumstances that submersible pump unit is in high water level, or place In the working environment of low water level, can guaranteed water level switch 2 axis it is vertical with the water surface always, and at submersible pump unit When low water level working environment, i.e., water level switch 2 cannot submerge in water, and when water level switch 2 leaves the water surface, buoy 5 can be real Buoyancy variation when existing water level switch 2 leaves the water surface will not cause large effect to the posture of total.
Water level switch 2 uses common float switch, and in normal high water level (N.H.W.L.) state, and immersible pump ontology 1 is kept upright shape State, buoy 5 are always ensured that the axis of water level switch 2 perpendicular to the water surface, and are located at peak position;When water level reduces, and immersible pump Ontology 1 is kept upright state, and when the buoyancy of the floating ball of water level switch 2 is less than its own gravity, floating ball can be along in water level switch 2 Between pole move down, disconnect water level switch 2 contact, and then disconnect motor power circuit, realize low water level when from Dynamic power-off protection function;Likewise, being in side when of falling state in immersible pump ontology 1, buoy 5 is always ensured that the axis of water level switch 2 Perpendicular to the water surface, in low water level, floating ball moves down, and automatic protection is realized in power-off.That is, appointing in immersible pump ontology 1 Under posture of anticipating, the presence of buoy 5 can realize the posture of more stable, reliable control water level switch 2, make water level switch 2 It remains vertical with the water surface, engine power is disconnected in time in low water level so as to guaranteed water level switch 2, realize automatic The function of protection.
More particularly, the setting coaxial with water level switch 2 of buoy 5, that is to say, that the axis direction and water level of buoy 5 The axis direction of switch 2 is consistent, and so, buoy 5 can remain vertical with the water surface with water level switch 2;In addition, in order to Meet the purpose that water level switch 2 can remain vertical with the water surface, buoy 5 is set to immediately below water level switch 2, and buoy 5 floor spaces are more than the floor space of water level switch 2, can ensure stability of strutting system of the buoy 5 for water level switch 2 in this way, to It may further ensure that whole system is stable, reliably runs.
Certainly, according to actual needs, buoy 5 can also use other set-up modes, as long as disclosure satisfy that above-mentioned function , will not be described in great detail herein.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual Relationship or sequence.
Submersible pump unit provided by the present invention is described in detail above.Specific case used herein is to this The principle and embodiment of invention is expounded, the explanation of above example is only intended to help understand the present invention method and Its core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the principle of the invention Under, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection of the claims in the present invention In range.

Claims (8)

1. a kind of submersible pump unit, including immersible pump ontology (1) and to control the water level switch of immersible pump ontology (1) start and stop (2);It is characterized in that, the immersible pump ontology (1) is connected with link mechanism (3), the link mechanism (3) is opened with the water level (2) are closed to be fixedly connected and to control the water level switch (2).
2. submersible pump unit according to claim 1, which is characterized in that the link mechanism (3) includes and the diving Pump ontology (1) rotation connection and rotary centerline are set to the first arm pole (31) of immersible pump ontology (1) axis direction.
3. submersible pump unit according to claim 2, which is characterized in that the first arm pole (31) passes through water-sealed bearing (4) it is rotatablely connected with the immersible pump ontology (1).
4. submersible pump unit according to claim 3, which is characterized in that the first arm pole (31) is hinged by articulated shaft There is the second arm pole (32).
5. submersible pump unit according to claim 4, which is characterized in that the second arm pole (32) passes through universal joint It is connected with third arm pole (33).
6. submersible pump unit according to claim 5, which is characterized in that the third arm pole (33) and the water level switch (2) it is fixedly connected.
7. submersible pump unit according to claim 6, which is characterized in that the water level switch (2) is connected with buoy (5), Buoy (5) setting coaxial with the water level switch (2).
8. submersible pump unit according to claim 7, which is characterized in that the buoy (5) is set to the water level switch (2) water surface is axially perpendicular to below and to control the water level switch (2).
CN201810479754.8A 2018-05-18 2018-05-18 A kind of submersible pump unit Pending CN108448824A (en)

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Application Number Priority Date Filing Date Title
CN201810479754.8A CN108448824A (en) 2018-05-18 2018-05-18 A kind of submersible pump unit

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Application Number Priority Date Filing Date Title
CN201810479754.8A CN108448824A (en) 2018-05-18 2018-05-18 A kind of submersible pump unit

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CN108448824A true CN108448824A (en) 2018-08-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113482901A (en) * 2021-06-01 2021-10-08 谢纪耀 Automatic water level monitoring device for small water pump in breeding industry

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021144A (en) * 1975-09-17 1977-05-03 Elepon Kabushiki Kaisha Submersible pump with float switch
CN2144321Y (en) * 1992-11-17 1993-10-20 汪友根 Automatic controller for liquid level
CN204152717U (en) * 2014-10-14 2015-02-11 中国海洋大学 The towed tidal current energy generating equipment of self adaption
CN204284011U (en) * 2014-11-24 2015-04-22 温岭市富莱欧机电有限公司 Submersible pump
CN204289257U (en) * 2014-11-10 2015-04-22 袁志强 Unattended operation immersible pump push-button switch
CN204902183U (en) * 2015-08-20 2015-12-23 江龙船艇科技股份有限公司 Marine leak protection formula air conditioner comdenstion water collection device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021144A (en) * 1975-09-17 1977-05-03 Elepon Kabushiki Kaisha Submersible pump with float switch
CN2144321Y (en) * 1992-11-17 1993-10-20 汪友根 Automatic controller for liquid level
CN204152717U (en) * 2014-10-14 2015-02-11 中国海洋大学 The towed tidal current energy generating equipment of self adaption
CN204289257U (en) * 2014-11-10 2015-04-22 袁志强 Unattended operation immersible pump push-button switch
CN204284011U (en) * 2014-11-24 2015-04-22 温岭市富莱欧机电有限公司 Submersible pump
CN204902183U (en) * 2015-08-20 2015-12-23 江龙船艇科技股份有限公司 Marine leak protection formula air conditioner comdenstion water collection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113482901A (en) * 2021-06-01 2021-10-08 谢纪耀 Automatic water level monitoring device for small water pump in breeding industry

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Application publication date: 20180824

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