CN102163517B - Vertical float switch - Google Patents
Vertical float switch Download PDFInfo
- Publication number
- CN102163517B CN102163517B CN 201110089665 CN201110089665A CN102163517B CN 102163517 B CN102163517 B CN 102163517B CN 201110089665 CN201110089665 CN 201110089665 CN 201110089665 A CN201110089665 A CN 201110089665A CN 102163517 B CN102163517 B CN 102163517B
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- China
- Prior art keywords
- housing
- suspension rod
- rocking arm
- float switch
- magnet
- 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.)
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- 239000000725 suspension Substances 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000012530 fluid Substances 0.000 claims description 21
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The invention relates to a vertical float switch which comprises a closed hollow housing, wherein a microswitch is arranged in the housing, a hollow float is arranged outside the housing, and the vertical float switch is characterized in that a Y-shaped rocker arm which can rotate horizontally for controlling the microswitch is further arranged in the housing, a rod-shaped suspension rod which can move up and down is further arranged in the housing, the lower part of the suspension rod extends out of the housing and is connected with the float, and magnets are arranged at two free ends of the rocker arm and the upper part of the suspension rod. The housing of the vertical float switch can be detached, the number of the magnets is increased, and a sealing liquid is increased in the position of an output conducting wire, therefore, compared with the prior art, the vertical float switch has the advantages of simplicity in manufacturing, convenience in mounting, long mechanical service life and electrical service life, stability in signal transmission, wide applicable spatial range and the like.
Description
Technical field
The present invention relates to a kind of vertical float switch.
Background technology
At present, the water industry adopts the liquid-level floater switch to control water level mostly.The principle of liquid-level floater switch is, by ball float according to the lifting of water level and lifting, thereby the switch motion of control float switch inside is controlled water pump or the action of other electric component with output signal, finally satisfies user's needs.Float switch is simple in structure, output is reliable and cost is low, therefore is widely used in the places such as water treatment, clear water reserviors, cesspool, fluid chemical raw material, is the plumbing industry, and the industries such as sewage treatment industry, chemical industry provide a lot of facilities.
The liquid-level floater switch is normally by simple can and ball float in the enclosure is set and the sensitive switch that is associated forms.A kind of elastic component with switch contact of the general employing of common sensitive switch, when liquid level changes, because the effect of buoyancy, the angle position of ball float changes, thereby cause steel ball in the inner rolling of ball float, utilize the gravity of steel ball to pressure of elastic component, the break-make of final control circuit.But because material and the performance of elastic component itself under the larger occasion of variation of ambient temperature, under the long-term impact of steel ball, finally affect the reliability of switch.Because the size of elastic component is difficult to control, dislocation when dislocation or use easily occur to install, high to installation requirement.The phenomenon of steel ball shake easily occurs owing to be difficult to control in this float switch, causes the switch misoperation, finally causes output signal inaccurate.In addition, float switch use occasion range size is difficult for controlled, because float switch is at level angle signalizing activity to occur, therefore need to consider length of cable, thus be only applicable to large-scale waters, and reduced the useful life of equipment.In order to address these problems, a kind of float switch that utilizes magnetic between single magnet and the iron plate to control sensitive switch is disclosed in the Chinese patent 200820039181.9, because the absorption affinity between magnet and the iron plate is stronger, can fully avoid the frequently switch motion of sensitive switch that causes because of water-level fluctuation; Ball float is arranged on the below, so that float switch only needs very little area namely can use.But, this float switch part that also comes with some shortcomings, because the absorption affinity of single magnet and iron plate is stronger, therefore not easily separated, so need in ball float, be provided with counterweight, increase the overall weight of float switch so that the switch disconnection, so increased product cost, and the counterweight amount is wayward, and what can affect the action accuracy of switch, and reliability is relatively poor; Simultaneously owing to the easy oxidation of iron plate, get rusty, therefore contaminated environment is difficult for using controlling in drinking water, and the position of ball float is unadjustable in addition, and is not enough to different environment for use adaptability; Single magnet adsorption, suction is not enough, and reliability is relatively poor; The cable sealing of output is not considered.
Summary of the invention
The invention provides a kind of solution of the above problems, provide a kind of use reliable, good airproof performance, lightweight, adaptable vertical float switch.
Technical scheme of the present invention provides a kind of vertical float switch, it comprises the housing of the hollow of sealing, be provided with sensitive switch in the described housing, described housing is outside equipped with the ball float of hollow, it is characterized in that: the rocking arm that horizontally rotates to control described sensitive switch folding that also is provided with Y shape in the described housing, also be provided with the suspension rod of rod moving up and down in the described housing, the top of described suspension rod is positioned in the middle of two free ends of described rocking arm, stretch out outside the described housing bottom of described suspension rod, and connecting described ball float, two free ends of described rocking arm and the top of described suspension rod are provided with magnet.
Preferably, the magnetic pole of the relative side of two magnet on the described rocking arm free end is identical.
Preferably, removably be provided with switch bracket in the described housing, the root of described rocking arm is pivotally connected on described switch bracket.
Preferably, the free end of described rocking arm and described suspension rod top are provided with the magnet mounting groove of hollow, and described magnet is placed in the described magnet mounting groove.
Preferably, be vertically installed with the tubular sliding tray of upper end closed lower ending opening in the described housing, stretch out outside the described housing described sliding tray lower end, and described suspension rod is arranged in the described sliding tray movably.
Preferably, described sliding tray is horizontally arranged with the latch that prevents that described suspension rod from coming off in the described sliding tray near its lower ending opening place.
Preferably, described rocking arm, described sliding tray and described suspension rod all are made of plastics.
Preferably, be vertically installed with the sealing fluid cylinder of tubular on the described housing, be provided with sealing fluid in the described sealing fluid cylinder, the wire that connects described sensitive switch is via being arranged on through hole on the described housing, passing described sealing fluid cylinder and stretch out outside the described housing.
Preferably, described housing comprises lower house and the loam cake that can mutually make up and dismantle, and the part of described lower house and the part of described loam cake are combined into described sealing fluid cylinder mutually.
Preferably, described ball float middle part is provided with the manhole of inwall sealing, is socketed with successively guide vane end stop, described ball float and spacing ring on the described suspension rod from top to bottom, is provided with the restriction position of a plurality of fixing described guide vane end stops and described spacing ring along described suspension rod.
The housing of vertical float switch of the present invention can be dismantled, and the position of ball float can be regulated, and uses fork configuration, has increased the quantity of magnet, and output lead and housing junction have increased sealing fluid; Therefore, relative prior art, it has makes the advantages such as simple, easy for installation, machinery and electrical endurance length, steady signal transmission, applicable spatial dimension are wide.
Description of drawings
Fig. 1 is the structural representation of a kind of vertical float switch of the present invention;
Fig. 2 is the vertical view of lower house;
Fig. 3 is the longitudinal sectional view of lower house;
Fig. 4 is the longitudinal sectional view of loam cake;
Fig. 5 is the structural representation of enclosure interior action part;
Fig. 6 is the assembling schematic diagram of switch bracket, sensitive switch, rocking arm;
Fig. 7 is the structural representation of switch bracket;
Fig. 8 is the structural representation of sensitive switch;
Fig. 9 is the structural representation of rocking arm;
Figure 10 is the structural representation of latch.
Embodiment
The below is described in further detail the specific embodiment of the present invention.
Shown in Fig. 1 to 10, a kind of vertical float switch of the first embodiment of the present invention comprises the housing 10 of hollow.Housing 10 lower left quarters are provided with the outwardly directed sealing fluid cylinder 12 that opening is arranged, and are provided with core wire holder 14 on the housing 10 of sealing fluid cylinder 12 junctions.Along the axis of sealing fluid cylinder 12, housing 10 is separated into lower house 16 and loam cake 18.After the equipment of housing 10 inside all installs, lower house 16 and loam cake 18 are welded together, then pour into sealing fluid at sealing fluid cylinder 12, so that whole housing 10 forms sealing integral body.Lower house 16 bottoms are provided with the draw-in groove 19 of two symmetries, and the mode by inlay card is fixed with switch bracket 20; This combination has been avoided itself and housing 10 integrated injection molding manufacturings, has reduced the complexity of making, thereby has saved manufacturing cost.As shown in Figure 7, two taper pillars 21 are set on the switch bracket 20, are used for fixedly sensitive switch 22; The next door of sensitive switch 22 is provided with the rocking arm 24 of Y shape; the root of rocking arm 24 and switch bracket 20 are pivotally connected; consider the suction-combining force and repulsive force between magnet; its two free end becomes the low dip setting; by magneticaction suitable between the magnet, causes swinging of rocking arm 24 can control the start and stop of sensitive switch 22.The wire 23 that connects sensitive switch 22 passes core wire holder 14 and stretches out outside the housing 10 through sealing fluid cylinder 12, thereby with the outside equipment connections such as water pump (not shown).Sealing fluids in the sealing fluid cylinder 12 provide good sealing, avoid the damage of making moist of housing 10 internal units.Also be provided with the sliding tray 26 of the tubular that is passed down through housing 10 in the housing 10, the upper end closed of sliding tray 26 also is tightly connected lower ending opening with housing 10 junctions.Sliding tray 26 is hollow, be movably set with the suspension rod 28 of stock shape in it, suspension rod 28 mid portions form a step 30, and sliding tray 26 is provided with a latch 32 near its lower ending opening place, be used for blocking step 30 places of suspension rod 28, avoid suspension rod 28 to come off from sliding tray 26.Two free ends of rocking arm 24 lay respectively at sliding tray 26 both sides.The top of suspension rod 28 is provided with the magnet mounting groove 34 that respectively is provided with hollow on two free ends of a mounting groove (not shown) and rocking arm 24, magnet 41 all is installed in the magnet mounting groove 34, is provided with barb-shaped elastic component 35 in the magnet mounting groove 34 and comes off to prevent magnet.Wherein, the magnet mounting groove of suspension rod 28 is annular, and vertically arranged in it is the magnet of annular.The magnetic pole of the relative side of two magnet on the free end of rocking arm 24 is identical, this so that the mode of the pole arrangement of three magnet can be following any one: NS-NS-SN, NS-SN-SN, SN-NS-NS or SN-SN-NS.Housing 10, suspension rod 28, sliding tray 26 and rocking arm 24 etc. are plastic material, have not only reduced cost but also avoid the magnetic force of magnet is produced interference.
Describe according to above technical scheme, the internal circuit mode of connection of the present invention, can realize following electrical wiring mode according to reality: 1. open type is typically applied in and controls water pump with drainage pattern work.
2. closed type is typically applied in the control water pump with way of supplying water work.
3. the single-pole double throw type is typically applied in the control water pump to supply water or drainage pattern work.Open type, when water level rose, ball float 38 is paramount liquid level along with water level rises, and it is up mobile that ball float 38 drives suspension rod 28 simultaneously.When the magnet at suspension rod 28 tops is middle through 24 liang of magnet of rocking arm, magnetic fields occurs, two magnet on the rocking arm 24, one provides repulsive force, and another provides the suction-combining force, so the magnet of suspension rod 28 and rocking arm 24 one of them magnet attraction.Rocking arm 24 is pivoted to sensitive switch 22 1 sides, and presses the Action Button of sensitive switch 22, and switch conduction starts the water pump draining.When water level descends, ball float 38 is low liquid level along with water level drops to, because the self gravitation of ball float 38 has overcome the attraction of magnet, therefore having driven suspension rod 28 moves down, the magnet of previous adhesive is separated; rocking arm 24 is pivoted to without sensitive switch 22 1 sides, and sensitive switch 22 disconnects, and water pump quits work.
Closed type, when also namely using way of supplying water work: when water level descends, ball float 38 is low liquid level along with water level drops to, because the attraction that has taken magnet is made every effort to overcome in the deadweight of ball float 38, therefore driven suspension rod 28 and moved down, the magnet of previous adhesive is separated, and rocking arm 24 is pivoted to without sensitive switch 22 1 sides, sensitive switch 22 conductings start water pump and supply water; When water level rose, ball float 38 is paramount liquid level along with water level rises, and it is up mobile that ball float 38 drives suspension rod 28 simultaneously, when the magnet of suspension rod 28 heads is middle through 24 liang of magnet of rocking arm, magnetic fields occurs, two magnet on the rocking arm 24, one provides repulsive force, another provides the suction-combining force, so magnet and rocking arm 24 one of them magnet attraction of suspension rod 28, rocking arm 24 is pivoted to sensitive switch 22 1 sides, and presses the Action Button of sensitive switch 22, sensitive switch 22 disconnects, and water pump quits work.
The single-pole double throw type can simultaneously realize that at a switch two kinds of functions be SPDT single-pole double throw type, and namely open type and closed type exist simultaneously, answers electrical appliance can determine freely according to requirements that the mode of connection is selected to supply water or the working method of draining.As from the foregoing, the housing 10 of vertical float switch of the present invention comprises two parts separately, has cancelled counterweight, and the position of ball float 38 can be regulated, and output lead and housing junction have increased sealing fluid; Therefore relative prior art, it has easy for installation, and is lightweight, applied widely, good airproof performance, the advantages such as each is electric, plant equipment long service life.Rocking arm uses fork configuration, controls the swing of rocking arm with 3 magnet, and moderate absorption affinity or repulsive force is provided, so stable output signal, has avoided waveform output, also indirect protection the equipment such as outside water pump.
Above embodiment only is the present invention's a kind of execution mode wherein, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. vertical float switch, it comprises the housing of the hollow of sealing, be provided with sensitive switch in the described housing, described housing is outside equipped with the ball float of hollow, it is characterized in that: the rocking arm that horizontally rotates to control described sensitive switch folding that also is provided with Y shape in the described housing, also be provided with the suspension rod of rod moving up and down in the described housing, the top of described suspension rod is positioned in the middle of two free ends of described rocking arm, stretch out outside the described housing bottom of described suspension rod, and connect described ball float, two free ends of described rocking arm and the top of described suspension rod are provided with magnet, and the magnetic pole of the relative side of two magnet on the described rocking arm free end is identical; Removably be provided with switch bracket in the described housing, the root of described rocking arm is pivotally connected on described switch bracket.
2. a kind of vertical float switch according to claim 1, it is characterized in that: the free end of described rocking arm and described suspension rod top are provided with the magnet mounting groove of hollow, and described magnet is placed in the described magnet mounting groove.
3. a kind of vertical float switch according to claim 1, it is characterized in that: the tubular sliding tray that is vertically installed with the upper end closed lower ending opening in the described housing, stretch out outside the described housing described sliding tray lower end, and described suspension rod is arranged in the described sliding tray movably.
4. a kind of vertical float switch according to claim 3 is characterized in that: described sliding tray is horizontally arranged with the latch that prevents that described suspension rod from coming off in the described sliding tray near its lower ending opening place.
5. a kind of vertical float switch according to claim 3, it is characterized in that: described rocking arm, described sliding tray and described suspension rod all are made of plastics.
6. a kind of vertical float switch according to claim 1, it is characterized in that: the sealing fluid cylinder that is vertically installed with tubular on the described housing, be provided with sealing fluid in the described sealing fluid cylinder, the wire that connects described sensitive switch is via being arranged on through hole on the described housing, passing described sealing fluid cylinder and stretch out outside the described housing.
7. a kind of vertical float switch according to claim 6, it is characterized in that: described housing comprises lower house and the loam cake that can mutually make up and dismantle, the part of described lower house and the part of described loam cake are combined into described sealing fluid cylinder mutually.
8. a kind of vertical float switch according to claim 1, it is characterized in that: described ball float middle part is provided with the manhole of inwall sealing, be socketed with successively guide vane end stop, described ball float and spacing ring on the described suspension rod from top to bottom, be provided with the restriction position of a plurality of fixing described guide vane end stops and described spacing ring along described suspension rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110089665 CN102163517B (en) | 2011-04-11 | 2011-04-11 | Vertical float switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110089665 CN102163517B (en) | 2011-04-11 | 2011-04-11 | Vertical float switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102163517A CN102163517A (en) | 2011-08-24 |
| CN102163517B true CN102163517B (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110089665 Active CN102163517B (en) | 2011-04-11 | 2011-04-11 | Vertical float switch |
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| Country | Link |
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| CN (1) | CN102163517B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185536A1 (en) | 2016-04-27 | 2017-11-02 | 新界泵业集团股份有限公司 | Float switch structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107624327B (en) * | 2017-10-24 | 2023-06-27 | 中国农业科学院农田灌溉研究所 | Water and fertilizer delivery and distribution system in field |
| CN108320978A (en) * | 2018-03-23 | 2018-07-24 | 广西钦州福晟电子有限公司 | A kind of rotary coding switch |
| CN108899248A (en) * | 2018-08-30 | 2018-11-27 | 江苏环力科技发展股份有限公司 | A kind of float switch for water pump water supply system |
| CN111807594B (en) * | 2020-07-29 | 2021-04-16 | 广东奇乐趣食品科技有限公司 | Wastewater treatment device and method |
| CN114464498A (en) * | 2022-02-23 | 2022-05-10 | 苏州优德通力科技有限公司 | Self-balancing liquid level switch mechanism with rocker arm with balance weight |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533566Y (en) * | 2002-03-26 | 2003-01-29 | 高增月 | Magnetically controlling device of magnetic control switch |
| CN201233839Y (en) * | 2008-07-25 | 2009-05-06 | 苏州优德通力电气有限公司 | Vertical float switch |
| CN101452296A (en) * | 2007-12-04 | 2009-06-10 | 李晓波 | Sewerage liquid-level controller |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201259867Y (en) * | 2008-09-25 | 2009-06-17 | 周蒙 | Magnetic explosion proof switch |
| CN202120818U (en) * | 2011-04-11 | 2012-01-18 | 司捷易兰姆布斯控制科技（苏州）有限公司 | Vertical type floating ball switch |
-
2011
- 2011-04-11 CN CN 201110089665 patent/CN102163517B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533566Y (en) * | 2002-03-26 | 2003-01-29 | 高增月 | Magnetically controlling device of magnetic control switch |
| CN101452296A (en) * | 2007-12-04 | 2009-06-10 | 李晓波 | Sewerage liquid-level controller |
| CN201233839Y (en) * | 2008-07-25 | 2009-05-06 | 苏州优德通力电气有限公司 | Vertical float switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185536A1 (en) | 2016-04-27 | 2017-11-02 | 新界泵业集团股份有限公司 | Float switch structure |
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| CN102163517A (en) | 2011-08-24 |
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Address after: 215000, Building K, No. 146 Xingpu Road, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone, Suzhou City, Jiangsu Province Patentee after: SJE-RHOMBUS CONTROL TECHNOLOGY (SUZHOU) Co.,Ltd. Country or region after: China Address before: Unit 6, Building B2, Zone A, Weiting Town Industrial Building, No. 9 Weixin Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee before: SJE-RHOMBUS CONTROL TECHNOLOGY (SUZHOU) Co.,Ltd. Country or region before: China |