CN104405628A - Buoyancy sensing type flow switch - Google Patents
Buoyancy sensing type flow switch Download PDFInfo
- Publication number
- CN104405628A CN104405628A CN201410752104.8A CN201410752104A CN104405628A CN 104405628 A CN104405628 A CN 104405628A CN 201410752104 A CN201410752104 A CN 201410752104A CN 104405628 A CN104405628 A CN 104405628A
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- Prior art keywords
- buoyancy
- switch
- water pump
- water
- valve seat
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- Control Of Non-Positive-Displacement Pumps (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The invention provides a buoyancy sensing type flow switch and belongs to the technical field of flow switches. The problem that an existing water pump produces an idle phenomenon, a sealing part is easily damaged, accordingly water leakage of the water pump is caused, and the service life of the water pump cannot be guaranteed and the like is solved. A valve seat is arranged between a water inlet and a water outlet of a switch body of the buoyancy sensing type flow switch, a water inlet channel is arranged on the lower side of the valve seat, a water outlet channel is arranged on the upper side of the valve seat, a buoyancy valve element is arranged on the valve seat, a magnetic control device is arranged on the buoyancy valve element, a sensing element is arranged above the buoyancy valve element and connected with a control switch of the water pump, and the magnetic control device and the sensing element can produce a control signal output to the control switch after the buoyancy valve element upwards floats to the set height position. The buoyancy sensing type flow switch has the advantages that the water pump automatically stops operating without artificial operation when being subjected to water intake stop or accidental water stop, the idle phenomenon is eliminated, further the using quality of the water pump is ensured, the service life of the water pump is prolonged, and the like.
Description
Technical field
The invention belongs to flow switch technical field, refer in particular to a kind of buoyancy induction type flow switch.
Background technique
Water pump in use now, if because anhydrous flowing in pipeline, cause water pump to dally under anhydrous conditions always, some sealed members of water pump can be burnt out by friction because of idle running at a high speed, the sealability of sealed member greatly can decline and even damage, thus the phenomenon causing water pump to leak in use, the working life of water pump can not get Reliable guarantee.
At present, Chinese patent literature discloses a kind of electromagnetic induction flow switch, Authorization Notice No. CN200997364Y it comprise housing, isolating plate, catch and inductance type induction switch, enclosure interior forms direct piping structure, and housing upper perforate, is provided with isolating plate in hole, outside relative duct size, isolating plate is embedded with inductance type induction switch, at right angle setting catch on insides of pipes isolating plate, catch is at fluids within pipes inlet side, staggers along duct orientation in electric-type induction switch and catch position.Above-mentioned structure adopts current to the impact of catch, the change at the angle of inclination of catch is utilized to make inductance type induction switch sense signal, and then carry out adjust flux, the working principle of said structure is simply: utilize current to give switch a signal, then flow is changed according to this signal, but there is certain defect in the structure of this flow switch: one is the uncertainty that catch swings, catch pendulum angle is easily attached in switch wall under water impact cannot return, cause the disorder that signal exports, two is catch easily long-pending upper incrustation scales, cause the uncertainty of its pendulum angle, therefore, the above-mentioned mode that utilizes current to give switching signal is also immature.
Summary of the invention
The object of this invention is to provide a kind of buoyancy induction type flow switch.
The object of the present invention is achieved like this:
Buoyancy induction type flow switch, it is characterized in that: between the water intake of Switch main body and water outlet, be provided with valve seat, intake tunnel is located at the downside of valve seat, exhalant canal is located at the upside of valve seat, and described valve seat is provided with buoyancy spool, and buoyancy spool is provided with magnetic control means, the top of described buoyancy spool is provided with sense cell, sense cell connects the control switch of water pump, and after buoyancy spool floats up to setting height, magnetic control means can produce with sense cell the control signal exporting to control switch.
Above-mentioned valve seat and Switch main body are integrated.
In above-mentioned buoyancy induction type flow switch, the concrete structure that the top of described buoyancy spool is provided with sense cell is: the top of Switch main body is provided with opening, opening is provided with the switch cover that can seal opening, and sense cell is arranged on the inner side of switch cover and switch cover forms one.
In above-mentioned buoyancy induction type flow switch, described buoyancy spool offers central shaft hole, be installed with one end in central shaft hole and be fixed on guide rod inside switch cover.
In above-mentioned buoyancy induction type flow switch, the axis perpendicular of the axis of the valve port of described valve seat and water intake, water outlet is arranged.
The present invention gives prominence to compared to existing technology and useful technique effect is:
1, the present invention utilizes current to give flow switch signal, and then controls the startup of water pump, reaches water pump and has water transport to turn, the effect of anhydrous stopping, eliminating the generation of the anhydrous idle running phenomenon of water pump.
2, the present invention is owing to eliminating the phenomenon of the anhydrous idle running of water pump, avoids the generation of the over worn situation of water pump, improves quality of product, extends the working life of water pump.
What 3, the present invention adopted is buoyancy type spool, when anhydrous, spool self gravitation is relied on to fall into valve seat, can prevent the water in intake tunnel from entering in the exhalant canal of top from valve seat with Sealing below spool, the closedown and the spool that realize valve are having the effect again floated smoothly under water state.
4, structure of the present invention is simple, and with low cost, obvious technical effects, has wide market prospects.
5, the present invention is when water pump is when normally using, when the valve of water is turned off or surprisingly cuts off the water, when flow switch senses anhydrous flowing in pipeline, motor can shut down, without the need to artificially supply disconnecton, thus effectively extend water pump working life, bring people the facility of life
6, switch cover of the present invention and Switch main body easy accessibility, when switch internal after water pump uses for a long time and spool heap scaliness, can go out parts broken and clean thoroughly.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the invention will be further described, see Fig. 1:
Buoyancy induction type flow switch, valve seat 4 is provided with between the water intake 2 of Switch main body 1 and water outlet 3, intake tunnel 5 is located at the downside of valve seat, exhalant canal 6 is located at the upside of valve seat, and described valve seat is provided with buoyancy spool 7, and buoyancy spool is provided with magnetic control means 8, the top of described buoyancy spool is provided with sense cell 9, sense cell connects the control switch of water pump, and after buoyancy spool floats up to setting height, magnetic control means can produce with sense cell the control signal exporting to control switch.
The concrete structure that the top of described buoyancy spool is provided with sense cell is: the top of Switch main body is provided with opening, and opening is provided with the switch cover 10 that can seal opening, and sense cell is arranged on the inner side of switch cover and switch cover forms one.
Described buoyancy spool offers central shaft hole 11, is installed with one end in central shaft hole and is fixed on guide rod 12 inside switch cover.
The axis perpendicular of the axis of the valve port 13 of described valve seat and water intake, water outlet is arranged.
In the present invention, described magnetic control means specifically: fritter magnet.
Described sense cell is specifically: dry reed-pipe or Hall transducer.
Working procedure of the present invention is:
1, when ingoing stream in Switch main body 1, if water flow is not enough, then buoyancy spool cannot float, and therefore cannot give signal, water pump keeps outage state;
If 2 continue input current, then under the buoyancy and Impulse of current, buoyancy spool 7 floats gradually, and when buoyancy spool floats to setting height, the magnetic control means 8 on buoyancy spool is just responded to sense cell 9 phase on switch cover 10, produce the control switch that signal gives water pump, the meaning expressed by this signal is: have lasting current input, water pump can start, and can not dally, then control switch controls starting mode of pump, and therefore the present invention can eliminate the generation of the anhydrous idle running phenomenon of water pump.
3, when current stop input, then buoyancy spool is at self gravitation falls downward, when buoyancy spool to be connected with the induction of sense cell disappear time, then starting mode of pump signal stops, control switch controls water pump and quits work, and also eliminates the generation of the anhydrous idle running phenomenon of water pump thus.
The contrast of the present invention and prior art:
One, present invention utilizes buoyancy spool to be connected with the induction of sense cell, produce signal; And the structure of ball float adopts the mode of shock to produce signal often in prior art;
Two, the present invention utilizes spool perception current, and then controls the work of water pump, eliminates the generation of the anhydrous idle running phenomenon of water pump; And prior art often control switch carry out adjust flux, the technique effect reached is not identical.
Three, structure of the present invention is disassembled conveniently, and step is easily understood, and thoroughly, layman also can complete easily in parts cleaning; And prior art structure disassembles inconvenience, cleaning is thorough, and layman carries out operation may cause damaging product.
Above-described embodiment is only preferred embodiment of the present invention, not limits the scope of the invention according to this, therefore: all equivalence changes done according to structure of the present invention, shape, principle, all should be covered by within protection scope of the present invention.
Claims (5)
1. buoyancy induction type flow switch, it is characterized in that: between the water intake (2) of Switch main body (1) and water outlet (3), be provided with valve seat (4), intake tunnel (5) is located at the downside of valve seat, exhalant canal (6) is located at the upside of valve seat, described valve seat is provided with buoyancy spool (7), buoyancy spool is provided with magnetic control means (8), the top of described buoyancy spool is provided with sense cell (9), sense cell connects the control switch of water pump, after buoyancy spool floats up to setting height, magnetic control means can produce with sense cell the control signal exporting to control switch.
2. buoyancy induction type flow switch according to claim 1, it is characterized in that: the concrete structure that the top of described buoyancy spool is provided with sense cell is: the top of Switch main body is provided with opening, opening is provided with the switch cover (10) that can seal opening, and sense cell is arranged on the inner side of switch cover.
3. buoyancy induction type flow switch according to claim 1, is characterized in that: described buoyancy spool offers central shaft hole (11), is installed with one end and is fixed on guide rod (12) inside switch cover in central shaft hole.
4. buoyancy induction type flow switch according to claim 1, is characterized in that: the axis perpendicular of the axis of the valve port (13) of described valve seat and water intake, water outlet is arranged.
5. buoyancy induction type flow switch according to claim 1, is characterized in that: described magnetic control means is magnet, and described sense cell is dry reed-pipe or Hall transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410752104.8A CN104405628A (en) | 2014-12-09 | 2014-12-09 | Buoyancy sensing type flow switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410752104.8A CN104405628A (en) | 2014-12-09 | 2014-12-09 | Buoyancy sensing type flow switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104405628A true CN104405628A (en) | 2015-03-11 |
Family
ID=52643282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410752104.8A Pending CN104405628A (en) | 2014-12-09 | 2014-12-09 | Buoyancy sensing type flow switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104405628A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017193610A1 (en) * | 2016-05-12 | 2017-11-16 | 邢树林 | Pillow body lifting sensing device and lifting sleep pillow with the sensing device |
| CN110279968A (en) * | 2019-06-26 | 2019-09-27 | 冯锦良 | A kind of vibration induction detection fire-fighting spraying head |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6266523A (en) * | 1985-09-17 | 1987-03-26 | 株式会社 鶴見製作所 | Flow switch |
| JPH04209434A (en) * | 1990-12-03 | 1992-07-30 | Matsushita Electric Ind Co Ltd | Flow switch |
| JPH08144962A (en) * | 1994-11-25 | 1996-06-04 | Toyota Auto Body Co Ltd | Air hammer detection device for pump |
| DE20105713U1 (en) * | 2001-04-04 | 2001-08-23 | Meyer, Friedrich, 31832 Springe | Water flow switch |
| CN2538986Y (en) * | 2001-04-12 | 2003-03-05 | 威乐－乐金水泵有限公司 | Automatic water pump |
| CN2763960Y (en) * | 2005-02-23 | 2006-03-08 | 叶张雄 | Three-way electromagnetic switch |
| CN104040667A (en) * | 2012-02-01 | 2014-09-10 | 阿尔弗雷德·凯驰两合公司 | Flow switch |
| CN204327460U (en) * | 2014-12-09 | 2015-05-13 | 合肥新沪屏蔽泵有限公司 | Buoyancy induction type flow switch |
-
2014
- 2014-12-09 CN CN201410752104.8A patent/CN104405628A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6266523A (en) * | 1985-09-17 | 1987-03-26 | 株式会社 鶴見製作所 | Flow switch |
| JPH04209434A (en) * | 1990-12-03 | 1992-07-30 | Matsushita Electric Ind Co Ltd | Flow switch |
| JPH08144962A (en) * | 1994-11-25 | 1996-06-04 | Toyota Auto Body Co Ltd | Air hammer detection device for pump |
| DE20105713U1 (en) * | 2001-04-04 | 2001-08-23 | Meyer, Friedrich, 31832 Springe | Water flow switch |
| CN2538986Y (en) * | 2001-04-12 | 2003-03-05 | 威乐－乐金水泵有限公司 | Automatic water pump |
| CN2763960Y (en) * | 2005-02-23 | 2006-03-08 | 叶张雄 | Three-way electromagnetic switch |
| CN104040667A (en) * | 2012-02-01 | 2014-09-10 | 阿尔弗雷德·凯驰两合公司 | Flow switch |
| CN204327460U (en) * | 2014-12-09 | 2015-05-13 | 合肥新沪屏蔽泵有限公司 | Buoyancy induction type flow switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017193610A1 (en) * | 2016-05-12 | 2017-11-16 | 邢树林 | Pillow body lifting sensing device and lifting sleep pillow with the sensing device |
| CN110279968A (en) * | 2019-06-26 | 2019-09-27 | 冯锦良 | A kind of vibration induction detection fire-fighting spraying head |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150311 |