CN106774471A - A kind of self-locking floating-ball level switch - Google Patents
A kind of self-locking floating-ball level switch Download PDFInfo
- Publication number
- CN106774471A CN106774471A CN201611160047.XA CN201611160047A CN106774471A CN 106774471 A CN106774471 A CN 106774471A CN 201611160047 A CN201611160047 A CN 201611160047A CN 106774471 A CN106774471 A CN 106774471A
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- Prior art keywords
- magnetic
- limiting plate
- magnet
- pipe
- ball
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/04—Level control, e.g. controlling quantity of material stored in vessel with auxiliary non-electric power
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a kind of self-locking floating-ball level switch, including non-magnetic pipe, tongue tube, the passive floating drum of the cylinder being set in outside non-magnetic pipe, the ball float being set in outside cylindrical passive floating drum, the upper magnetic limiting plate and magnetic limiting plate and dismountable internal magnet being arranged on inside non-magnetic pipe that are arranged on the backstop apparatus of the bottom of non-magnetic pipe, are separately positioned on cylindrical passive floating drum upper and lower ends；Closing is provided with annular magnet in upper magnetic limiting plate, upper magnetic limiting plate is corresponding with tongue tube position with backstop apparatus contact condition in floating drum bottom, separate magnet is provided with inside magnetic limiting plate, internal magnet is identical with the polarity of the opposite magnetic pole of separate magnet in magnetic limiting plate in non-magnetic pipe.Floating-ball level switch of the invention can reach self-locking purpose, the ball float field system with complete stability, ball float with water level fluctuation, will not be prevented the change at random in magnetic field, realize that peripheral control circuits simplify, and enable execution electrical equipment steady operation.
Description
Technical field
The present invention relates to a kind of liquid level detection device, and in particular to a kind of self-locking floating-ball level switch.
Background technology
Liquid-level floater switch is a kind of simple structure, level sensing instrument esy to use, safe and reliable, and it uses magnetic red
Switch does contact, based on law of buoyancy, lower and upper limit position is driven with the lifting of liquid level using the ball float with magnet assembly
The tongue tube put is opened and closed, and exports ON or OFF contact signals, realizes pump motor, magnetic valve or other electric equipments
Start-stop, automatically controls so as to reach to two position in container.
Floating-ball level switch in the tank level control system for using at present, its concrete structure is in closed non-magnetic pipe
One magnetic element tongue tube of interior installation, tongue tube can be when magnetic field changes around, and its contact position also becomes therewith
Change, be arranged with the ball float that an inside is provided with annular magnet outside non-magnetic pipe, ball float with rising or falling for liquid on
Lower movement, the annular magnet inside corresponding ball float is also moved up and down therewith.When annular magnet is dry in non-magnetic pipe
(when magnetic field is near then adhesive, normally closed tongue tube then breaks normally opened tongue tube when magnetic field is close to for the action of reed pipe, generation adhesive or disconnection
Open) so that output switching signal, tongue tube now is in a kind of working condition；When annular magnet is left in non-magnetic pipe
Tongue tube certain distance, the magnetic field around tongue tube be not enough to influence tongue tube when, the working condition of tongue tube just changes
Become (, when magnetic field is away from then disconnecting, normally closed tongue tube is when magnetic field is away from then adhesive for normally opened tongue tube), now tongue tube is in another
Plant working condition.
This floating-ball level switch, in the surface wave of water, ball float internal magnet fluctuates ball float up and down therewith, tongue tube with
Ball float it is mobile brought around changes of magnetic field cause above two working condition to be alternately present, liquid-level switch working condition
It is a kind of unstable dither state, it is impossible to locked, and then can influences to perform the stabilization of electrical equipment (such as liquid level motor)
Work.
The content of the invention
Prevent water level fluctuation from causing magnetic field change at random it is an object of the invention to provide one kind, realize performing electrical equipment stabilization
A kind of self-locking floating-ball level switch of work.
The technical solution for realizing the object of the invention is：
A kind of self-locking floating-ball level switch, including non-magnetic pipe, be arranged in non-magnetic pipe tongue tube, be set in
Non-magnetic pipe is outer and the passive floating drum of cylinder that can be fluctuated along non-magnetic pipe, is set in outside cylindrical passive floating drum
Ball float, the bottom of non-magnetic pipe is arranged on to carrying out spacing backstop apparatus on passive floating drum activity direction, being separately positioned on circle
The passive floating drum upper and lower ends of cylindricality and the direction of motion to ball float carry out spacing upper magnetic limiting plate and magnetic limiting plate, with
And dismountable it is arranged on non-magnetic pipe inside and under position is not less than under the magnetic limiting plate and backstop apparatus contact condition
The internal magnet of magnetic limiting plate；
Wherein, closing is provided with annular magnet in the upper magnetic limiting plate, the upper magnetic limiting plate floating drum bottom with
It is corresponding with tongue tube position under backstop apparatus contact condition, it is provided with separate magnet inside the magnetic limiting plate, it is described non-to lead
Internal magnet is identical with the polarity of the opposite magnetic pole of separate magnet in magnetic limiting plate in magnetic tube.
The ball float is stainless steel hollow ball or baton round.
The internal magnet is separate magnet.
The quantity of the internal magnet is no less than two, is uniformly arranged along non-magnetic pipe internal circumference direction.
A kind of self-locking floating-ball level switch of the present invention, different existing floating-ball level switch, two kinds of work shapes of tongue tube
State is will not to be changed in liquid fluctuating because of ball float.When tongue tube is in adhesive or disconnects any working condition,
Although the position of ball float changes, by the locking mechanism of particular design, lock the position of annular magnet, thus tongue tube shape
State will not change, the state being all locked out, namely self-locking state.For example, ball float floats to certain position during work, reach
The upward forced position of self-locking mechanism, reed switch contact disconnects, upper self-lock force (i.e. non-magnetic pipe and magnet in magnetic limiting plate
Repulsion) effect make tongue tube be always maintained at disconnecting working condition, at this moment, even if there is certain limit in the location of ball float
Change, tongue tube working condition will not also change；When ball float drops to certain position, the downward forced position of self-locking mechanism is reached,
Reed switch contact is connected, and the effect of lower self-lock force (repulsion of magnet i.e. in non-magnetic pipe and magnetic limiting plate) makes tongue tube
Working condition is remained up, at this moment, even if the location of ball float occurs certain limit change, tongue tube working condition also will not
Change.
Compared with prior art, its remarkable advantage is the present invention：
A kind of self-locking floating-ball level switch proposed by the present invention, is a kind of automatic level controller of succinct device,
Tongue tube working condition no longer changes and changes with ball float position (liquid level position), it is necessary to be that ball float reaches certain position, has spy
When determining direction, a certain size external force effect self-locking mechanism, the working condition of tongue tube, and each work shape could be changed
State is influenceed persistently to keep by self-lock force, reaches self-locking purpose, and it has the ball float field system of complete stability, makes the ball float will not
The change at random in magnetic field is prevented with water level fluctuation, realizes that peripheral control circuits simplify, enable execution electrical equipment steady operation,
Using, easy for installation, dependable performance, in can be widely applied to the liquid level automatic control system such as water tower, water tank, fuel tank,
It is easy to promote the use of.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is self-locking floating-ball level switch lower end partial enlargement structural representation of the present invention.
In figure：1 --- lead；2 --- non-magnetic pipe；3 --- vessel port installs fixed six square nuts；
4 --- tongue tube；5 --- upper magnetic limiting plate；6 --- passive floating drum；7 --- ball float；
8 --- internal magnet；9 --- magnetic limiting plate；10 --- backstop apparatus.
Specific embodiment
The present invention is described in further detail with reference to specific embodiment.
Embodiment one
Tongue tube 4 is provided with a kind of self-locking floating-ball level switch, including closed non-magnetic pipe 2, non-magnetic pipe 2,
Two leads 1 on the top of tongue tube 4 are control signal wire, be provided with one section of screw thread on the top of non-magnetic pipe 2 and two are installed use
Six square nuts 3, for installing self-locking floating-ball level switch.
The passive floating drum 6 of the cylinder that can be fluctuated along non-magnetic pipe 2 is arranged with outside non-magnetic pipe 2, floating drum 6 is used
Material proportion is not more than the proportion of liquid, and the bottom of non-magnetic pipe 2 is provided with spacing to being carried out on the activity direction of passive floating drum 6
Backstop apparatus 10；The ball float 7 being slidably matched with floating drum 6 is arranged with outside cylindrical passive floating drum 6.
Cylindrical passive floating drum 6 be respectively arranged at two ends with the direction of motion of ball float 7 is carried out spacing upper magnetic limiting plate 5 and
Magnetic limiting plate 9, closing is provided with annular magnet in upper magnetic limiting plate 5, and in the bottom of floating drum 6 and the contact condition of backstop apparatus 10
Under, upper magnetic limiting plate 5 is corresponding with the position of tongue tube 4, that is, meeting the magnet inside upper magnetic limiting plate 5 can control tongue tube
The folding of 4 contacts；Separate magnet is provided with inside magnetic limiting plate 9.
Non-magnetic pipe 2 is internally provided with dismountable internal magnet 8, can according to actual needs set different magnetic intensities
Magnet, internal magnet 8 is also no less than two for separate magnet and magnet quantity, is uniformly set along the internal circumference direction of non-magnetic pipe 2
Put, it is to be not less than magnetic limiting plate 9 under with the contact condition of 9 backstop apparatus of magnetic limiting plate 10 that internal magnet 8 sets height
Position.Internal magnet 8 is identical with the polarity of the opposite magnetic pole of separate magnet in magnetic limiting plate 9 in the non-magnetic pipe 2, each other
Repel.
Ball float 7 is stainless steel hollow ball or baton round, should produce enough buoyancy, there is certain quality again.
Determined especially by experiment, when water level rises to ball float and upper magnetic limiting plate rigid connection and touches, the natural buoyancy of ball float 7 cannot drive floating
Cylinder 6 overcomes the repulsion between magnet in magnetic limiting plate 9 and non-magnetic pipe 2, but can stop herein, only when water level after
The continuous repulsion being increased up between buoyancy overcoming magnet, ball float 7 could drive floating drum 6 to continue to move up.While the weight of ball float 7 is also
Meet ball float 7 when without water can drive floating drum 6 overcome the repulsion between magnetic limiting plate 9 and non-magnetic type pipe 2 to
Under be moved to magnetic limiting plate 9 and contacted with backstop apparatus 10.
The operation principle of self-locking floating-ball level switch of the present invention：Setting liquid level is currently at container bottom, and ball float 7 falls
Extreme lower position.Ball float 7 is in the top of magnetic limiting plate 9, and magnetic limiting plate 9 is contacted with lower backstop apparatus 10, due to lower magnetic
Magnet in property limiting plate 9 is identical with the polarity of the opposite magnetic pole of internal magnet 8, and both stagger and certain distance and repel each other, under making
Magnetic limiting plate 9 is subject to thrust in downward direction, namely is locked at current location；Now, the upper position of magnetic limiting plate 5 is leaned on just
The nearly tongue tube of tongue tube 4 is open in usual, the contact adhesive conducting of tongue tube 4, and conducting is exported by two leads 1 of tongue tube 4
Control signal.
When liquid level begins to ramp up, ball float 7 rises therewith, until reaching upper magnetic limiting plate 5, ball float 7 continues to rise, buoyancy
Magnetic limiting plate 5 is pushed up, until climbing power overcomes magnet and the mutual repulsive force of internal magnet 8 in magnetic limiting plate 9,
Magnetic limiting plate 9 is set to rise to the top of internal magnet 8, both stagger certain distance and mutually exclusive, make magnetic limiting plate 9
By the thrust of upward direction, with the fluctuation slide downward of liquid level, namely current location will not be locked at, meanwhile, upper magnetic limit
Position plate 5 leaves tongue tube 4, and the contact release of tongue tube 4 disconnects, and two outputs of lead 1 disconnect control signal.
When liquid level declines again, ball float 7 is in the top of magnetic limiting plate 9, and ball float 7 continues to decline, and gravity is pushed down on
Dynamic magnetic limiting plate 9, until gravity overcomes magnet and the mutual repulsive force of internal magnet 8 in magnetic limiting plate 9, makes lower magnetic
Property limiting plate 9 drops to the lower section of internal magnet 8.Repeat said process.
A kind of self-locking floating-ball level switch of the present invention, is a kind of automatic level controller of succinct device, is only made
With an electric elements, with the principle of repelling each other of magnetic material, and scientific and reasonable structure design, make it have exclusive excellent
Good characteristic, can greatly simplify peripheral control circuits, be a kind of Liquid level new device of aspect, using, easy for installation, performance
It is reliable, can be widely applied to during the height of the liquid levels such as water tower, water tank, fuel tank carries out automatic control system, be easy to promote the use of.
The above, preferably specific embodiment only of the invention, but this should not be interpreted as above-mentioned theme of the invention
Scope be only limitted to the embodiment of the above, all technologies realized based on present invention belong to the scope of the present invention.
Claims (4)
1. a kind of self-locking floating-ball level switch, it is characterised in that：
Including non-magnetic pipe (2),
Be arranged on tongue tube (4) in non-magnetic pipe (2),
The passive floating drum (6) of cylinder that is set in non-magnetic pipe (2) outward and can be fluctuated along non-magnetic pipe (2), it is arranged
The outer ball float (7) of cylindrical passive floating drum (6),
Be arranged on the bottom of non-magnetic pipe (2) to carried out on passive floating drum (6) activity direction spacing backstop apparatus (10),
Be separately positioned on cylindrical passive floating drum (6) upper and lower ends and ball float (7) the direction of motion it is carried out it is spacing upper
Magnetic limiting plate (5) and magnetic limiting plate (9),
And be removably arranged on non-magnetic pipe (2) inside and contact shape with backstop apparatus (10) in magnetic limiting plate (9)
Under state position be not less than magnetic limiting plate (9) internal magnet (8),
Wherein, closing is provided with annular magnet in the upper magnetic limiting plate (5), and the upper magnetic limiting plate (5) is at floating drum (6) bottom
Portion is corresponding with tongue tube (4) position with backstop apparatus (10) contact condition, and independence is provided with inside the magnetic limiting plate (9)
Magnet, the polarity phase of internal magnet (8) and the opposite magnetic pole of separate magnet in magnetic limiting plate (9) in the non-magnetic pipe (2)
Together.
2. a kind of self-locking floating-ball level switch according to claim 1, it is characterised in that：The ball float (7) is stainless steel
Hollow ball or baton round.
3. a kind of self-locking floating-ball level switch according to claim 1, it is characterised in that：The internal magnet (8) is independence
Magnet.
4. a kind of self-locking floating-ball level switch according to claim 1, it is characterised in that：The quantity of the internal magnet (8)
No less than two, it is uniformly arranged along non-magnetic pipe (2) internal circumference direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611160047.XA CN106774471B (en) | 2016-12-15 | 2016-12-15 | A kind of self-locking floating-ball level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611160047.XA CN106774471B (en) | 2016-12-15 | 2016-12-15 | A kind of self-locking floating-ball level switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106774471A true CN106774471A (en) | 2017-05-31 |
| CN106774471B CN106774471B (en) | 2019-06-18 |
Family
ID=58887445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611160047.XA Active CN106774471B (en) | 2016-12-15 | 2016-12-15 | A kind of self-locking floating-ball level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106774471B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110119164A (en) * | 2019-05-15 | 2019-08-13 | 北京科瑞乐航空油料设备有限公司 | A kind of self-check type magnetic controlled liquid level valve |
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|---|---|---|---|---|
| US4384184A (en) * | 1977-09-11 | 1983-05-17 | Consejo Nacional De Ciencia Y Technologia Of Mexico | Explosion-proof device for measuring liquid levels |
| US4959997A (en) * | 1988-10-26 | 1990-10-02 | Ishikawa Tekko Kabushiki Kaisha | Magnetic float for magnetic sensor |
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| CN201773329U (en) * | 2010-08-25 | 2011-03-23 | 丹东通博电器(集团)有限公司 | Ball float level controller |
| CN202649832U (en) * | 2012-07-05 | 2013-01-02 | 南京工业职业技术学院 | Two-wire type water level controller |
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| CN203741950U (en) * | 2014-03-13 | 2014-07-30 | 杜后霖 | Water tank capable of achieving automatic water feed |
| CN104460719A (en) * | 2014-12-03 | 2015-03-25 | 苏州市职业大学 | Liquid level switch with hysteresis function |
| CN204439175U (en) * | 2015-03-29 | 2015-07-01 | 重庆牧笛科技有限责任公司 | A kind of floating ball type liquid level sensor |
| CN205103674U (en) * | 2015-10-13 | 2016-03-23 | 上海海鼎实业发展有限公司 | Two spacing liquid level controlling means of floater formula |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4384184A (en) * | 1977-09-11 | 1983-05-17 | Consejo Nacional De Ciencia Y Technologia Of Mexico | Explosion-proof device for measuring liquid levels |
| US4959997A (en) * | 1988-10-26 | 1990-10-02 | Ishikawa Tekko Kabushiki Kaisha | Magnetic float for magnetic sensor |
| CN2064516U (en) * | 1990-03-22 | 1990-10-24 | 罗德耆 | Magnetic induction dry reed pipe type floating ball liquid level display controller |
| CN2072698U (en) * | 1990-04-27 | 1991-03-06 | 陈黄平 | Full-automatic water tank, body of water interlock control device |
| CN2100658U (en) * | 1991-07-22 | 1992-04-01 | 陈其才 | Induction water level controller |
| CN2135797Y (en) * | 1992-09-26 | 1993-06-09 | 王立文 | Liquid level controller |
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| CN201662726U (en) * | 2010-04-17 | 2010-12-01 | 刘智年 | Tubular ball float water level inductive switch |
| CN201773329U (en) * | 2010-08-25 | 2011-03-23 | 丹东通博电器(集团)有限公司 | Ball float level controller |
| CN202649832U (en) * | 2012-07-05 | 2013-01-02 | 南京工业职业技术学院 | Two-wire type water level controller |
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| CN203741950U (en) * | 2014-03-13 | 2014-07-30 | 杜后霖 | Water tank capable of achieving automatic water feed |
| CN104460719A (en) * | 2014-12-03 | 2015-03-25 | 苏州市职业大学 | Liquid level switch with hysteresis function |
| CN204439175U (en) * | 2015-03-29 | 2015-07-01 | 重庆牧笛科技有限责任公司 | A kind of floating ball type liquid level sensor |
| CN205103674U (en) * | 2015-10-13 | 2016-03-23 | 上海海鼎实业发展有限公司 | Two spacing liquid level controlling means of floater formula |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110119164A (en) * | 2019-05-15 | 2019-08-13 | 北京科瑞乐航空油料设备有限公司 | A kind of self-check type magnetic controlled liquid level valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106774471B (en) | 2019-06-18 |
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