CN203479450U - A linear Hall pipeline pressure detection apparatus - Google Patents
A linear Hall pipeline pressure detection apparatus Download PDFInfo
- Publication number
- CN203479450U CN203479450U CN201320478576.XU CN201320478576U CN203479450U CN 203479450 U CN203479450 U CN 203479450U CN 201320478576 U CN201320478576 U CN 201320478576U CN 203479450 U CN203479450 U CN 203479450U
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- China
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- middle body
- groove
- linear hall
- stock
- rubber diaphragm
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Abstract
Provided is a linear Hall pipeline pressure detection apparatus. The linear Hall pipeline pressure detection apparatus is characterized by comprising a middle body in which a hollow cavity, a water inlet, a long rod groove, a flow-guiding ring, and a water outlet are disposed. A check valve is installed in the water inlet. A housing body is disposed on a side of the middle body. A short rod groove and a spring groove are disposed in the housing body. A main spring is disposed inside the spring groove. The housing body is fixed on the middle body through screws. A rubber diaphragm is arranged between the housing body and the middle body. A long rod is disposed on a side of the rubber diaphragm. A magnetic steel chamber is disposed in the long rod. Magnetic steel is arranged inside the magnetic steel chamber fully filled with epoxy resin. The left end of the long rod cooperates with the long rod groove. A short rod is disposed on the other side of the rubber diaphragm. The right end of the short rod cooperates with the short rod groove. An end face is disposed on the left end of the short rod and contacts the housing body and the main spring. The short rod, the rubber diaphragm, and the long rod are fixed through a screw. A control case is installed outside the middle body. A control circuit board is installed inside the control case. A linear Hall sensor is installed on the control circuit board and is connected with a control line of a water pump.
Description
Technical field
The utility model relates to the pressure-detecting device of pipeline, particularly relates to linear Hall formula pipeline pressure pick-up unit.
Background technology
Existing pipeline pressure pick-up unit has a variety of in the market, but there is shortcoming separately, mainly be divided into: the pipeline pressure pick-up unit that, pressure transducer or optoelectronic switch and mechanical pressure gauge form, its shortcoming is there is no head tank and return valve function, during practical application, often need to install additional head tank and check valve apparatus, manufacture like this, production cost increase and accessory is too much installed inconvenience etc.; Two, the pipeline pressure pick-up unit that magnet steel, Hall switch and spring form, it requires high to cooperation between the sensitivity of magnet steel magnetic and Hall switch, if find pressure not within the required range, must change magnet steel magnetic or Hall switch sensitivity or adjust distance between magnet steel and Hall switch or change the rigidity of spring, the magnet steel that often needs to prepare the spring of multiple different-stiffness, the switch Hall of different sensitivity and different magnetic when reality is produced in batches, production efficiency is low etc.; Three, the pipeline pressure pick-up unit that magnet steel, tongue tube and spring form, it is except comprising the shortcoming of the pipeline pressure pick-up unit that magnet steel, Hall switch and spring form, and also comprises that frangible the causing of tongue tube detect inefficacy etc.
Summary of the invention
The purpose of this utility model is the shortcoming existing in order to overcome prior art, provide a kind of simple in structure, pipeline pressure is controlled convenient, long service life, be conducive to automatic pump, to the linear Hall formula pipeline pressure pick-up unit that between magnet steel magnetic, spring rate and magnet steel and switch Hall (or tongue tube), required distance is low.
The technical scheme of the utility model linear Hall formula pipeline pressure pick-up unit is: it is characterized in that comprising middle body, in middle body, be shaped with cavity, water inlet, stock groove, guide ring and water delivering orifice, non-return valve is installed in water inlet, in middle body one side, housing is set, in housing, there are quarter butt groove and spring groove, in spring groove, be provided with main spring, housing fixes through screw and middle body, between housing and middle body, rubber diaphragm is set, rubber diaphragm one side is provided with stock, in stock, have magnet steel chamber, magnet steel arranges magnet steel in chamber, and there is epoxy resin to fill up, stock left end matches with stock groove, rubber diaphragm opposite side is provided with quarter butt, quarter butt right-hand member matches with quarter butt groove, quarter butt left end is shaped with end face, end face contacts with housing and main spring, quarter butt, rubber diaphragm and stock fix through bolt, external installation control box in described, control circuit board is installed in control box, linear hall sensor is installed on control circuit board, the operation circuit of linear hall sensor and water pump is connected.
The utility model discloses a kind of linear Hall formula pipeline pressure pick-up unit, during work, the water therefrom water inlet of body flows into, current are by the non-return valve jack-up that makes progress, then along guide ring, flow in the cavity on right side, and by hydraulic pressure, the middle part of rubber diaphragm is passed to the right, rubber diaphragm drives quarter butt and stock to move to the right simultaneously, the end face of quarter butt promotes main spring to the right, main spring is squeezed, stock drives magnet steel to move right, when hydraulic pressure is larger, stock drives magnet steel to move right nearer with the distance of linear hall sensor, the analog quantity voltage signal of linear hall sensor output is larger, linear hall sensor is transferred to the signal receiving the operation circuit of water pump, by the operation circuit of water pump, controlling water pump quits work, when hydraulic pressure reduces, the end face that main spring promotes quarter butt under the effect of restoring force is moved to the left, end face drives quarter butt to be moved to the left, quarter butt drives rubber diaphragm and stock to be moved to the left homing, and now the distance of the magnet steel on stock and linear hall sensor is far away, the analog quantity voltage signal of linear hall sensor is more and more less, linear hall sensor is transferred to the signal receiving the operation circuit of water pump, the operation circuit of water pump is controlled starting mode of pump.This programme linear Hall formula pipeline pressure pick-up unit, its advantage has: one, simple in structure, pressure detection is accurate, long service life; Two,, with return valve function, be conveniently applied to automatic pump pipeline pressure and detect; Three, rubber diaphragm and main spring structure have head tank function, can effectively make up the pressure that pipeline is revealed, and prevent water pump frequent starting; Four, low to magnet steel magnetic and spring rate requirement, distance of reaction and pipeline pressure range of control can regulate by scm software code; Five, control circuit board and water source isolate completely, and degree of protection is high.
The utility model linear Hall formula pipeline pressure pick-up unit, installs O-ring seal between described non-return valve and the upper end of water inlet.Improve the sealing of non-return valve and water inlet upper end.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model linear Hall formula pipeline pressure pick-up unit.
Embodiment
The utility model relates to a kind of linear Hall formula pipeline pressure pick-up unit, as shown in Figure 1, it is characterized in that: comprise middle body 1, in middle body, be shaped with cavity 2, water inlet 3, stock groove 4, guide ring 5 and water delivering orifice 6, non-return valve 7 is installed in water inlet, in middle body one side, housing 8 is set, in housing, there are quarter butt groove 9 and spring groove 10, in spring groove, be provided with main spring 11, housing fixes through screw 12 and middle body 1, between housing and middle body, rubber diaphragm 13 is set, rubber diaphragm one side is provided with stock 14, in stock, have magnet steel chamber 15, magnet steel 16 is set in magnet steel chamber, and there is epoxy resin 17 to fill up, stock left end matches with stock groove 4, rubber diaphragm 13 opposite sides are provided with quarter butt 18, quarter butt right-hand member matches with quarter butt groove 9, quarter butt left end is shaped with end face 19, end face contacts with housing 8 and main spring 11, quarter butt 18, rubber diaphragm 13 and stock 14 fix through bolt 20, the outer installation control box 21 of described middle body 1, the interior installation control circuit board 22 of control box 21, linear hall sensor 23 is installed on control circuit board, linear hall sensor 23 is connected with the operation circuit of water pump.During work, water therefrom water inlet 3 places of body 1 flows into, current are by non-return valve 7 jack-up upwards, then along guide ring 5, flow in the cavity 2 on right side, and by hydraulic pressure, the middle part of rubber diaphragm 13 is passed to the right, rubber diaphragm drives quarter butt 18 and stock 14 to move to the right simultaneously, the end face 19 of quarter butt promotes main spring 11 to the right, main spring is squeezed, stock 14 drives magnet steel 16 to move right, when hydraulic pressure is larger, stock drives magnet steel to move right nearer with the distance of linear hall sensor 23, the analog quantity voltage signal of linear hall sensor output is larger, linear hall sensor is transferred to the signal receiving the operation circuit of water pump, by the operation circuit of water pump, controlling water pump quits work, when hydraulic pressure reduces, the end face 19 that main spring 11 promotes quarter butt 18 under the effect of restoring force is moved to the left, end face drives quarter butt to be moved to the left, quarter butt drives rubber diaphragm 13 and stock 14 to be moved to the left homing, and now the magnet steel on stock 16 is far away with the distance of linear hall sensor 23, the analog quantity voltage signal of linear hall sensor is more and more less, linear hall sensor 23 is transferred to the signal receiving the operation circuit of water pump, the operation circuit of water pump is controlled starting mode of pump.This programme linear Hall formula pipeline pressure pick-up unit, its advantage has: one, simple in structure, pressure detection is accurate, long service life; Two,, with non-return valve 7 functions, be conveniently applied to automatic pump pipeline pressure and detect; Three, rubber diaphragm 13 has head tank function with main spring 11 structures, can effectively make up the pressure that pipeline is revealed, and prevents water pump frequent starting; Four, low to magnet steel magnetic and spring rate requirement, distance of reaction and pipeline pressure range of control can regulate by scm software code; Five, control circuit board 22 is isolated completely with water source, and degree of protection is high.Between described non-return valve 7 and the upper end of water inlet 3, O-ring seal 24 is installed.Improve the sealing of non-return valve 7 and water inlet 3 upper ends.
Claims (2)
1. linear Hall formula pipeline pressure pick-up unit, it is characterized in that: comprise middle body (1), in middle body, be shaped with cavity (2), water inlet (3), stock groove (4), guide ring (5) and water delivering orifice (6), non-return valve (7) is installed in water inlet, in middle body one side, housing (8) is set, in housing, there are quarter butt groove (9) and spring groove (10), in spring groove, be provided with main spring (11), housing fixes through screw (12) and middle body (1), rubber diaphragm (13) is set between housing and middle body, rubber diaphragm one side is provided with stock (14), in stock, have magnet steel chamber (15), magnet steel (16) is set in magnet steel chamber, and there is epoxy resin (17) to fill up, stock left end matches with stock groove (4), rubber diaphragm (13) opposite side is provided with quarter butt (18), quarter butt right-hand member matches with quarter butt groove (9), quarter butt left end is shaped with end face (19), end face contacts with housing (8) and main spring (11), quarter butt (18), rubber diaphragm (13) and stock (14) fix through bolt (20), the outer control box (21) of installing of described middle body (1), control circuit board (22) is installed in control box (21), linear hall sensor (23) is installed on control circuit board, linear hall sensor (23) is connected with the operation circuit of water pump.
2. linear Hall formula pipeline pressure pick-up unit as claimed in claim 1, is characterized in that: between described non-return valve (7) and the upper end of water inlet (3), O-ring seal (24) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478576.XU CN203479450U (en) | 2013-08-07 | 2013-08-07 | A linear Hall pipeline pressure detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478576.XU CN203479450U (en) | 2013-08-07 | 2013-08-07 | A linear Hall pipeline pressure detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479450U true CN203479450U (en) | 2014-03-12 |
Family
ID=50227762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320478576.XU Expired - Fee Related CN203479450U (en) | 2013-08-07 | 2013-08-07 | A linear Hall pipeline pressure detection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203479450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128820A (en) * | 2016-07-04 | 2016-11-16 | 贵州航天控制技术有限公司 | A kind of non-contact type Hall electromagnetic position detection device |
| CN108967270A (en) * | 2018-09-14 | 2018-12-11 | 湖州日晨生态农业开发有限公司 | A kind of tank pressure control method suitable for fresh-water fishes |
-
2013
- 2013-08-07 CN CN201320478576.XU patent/CN203479450U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128820A (en) * | 2016-07-04 | 2016-11-16 | 贵州航天控制技术有限公司 | A kind of non-contact type Hall electromagnetic position detection device |
| CN106128820B (en) * | 2016-07-04 | 2018-05-15 | 贵州航天控制技术有限公司 | A kind of non-contact type Hall electromagnetic position detection device |
| CN108967270A (en) * | 2018-09-14 | 2018-12-11 | 湖州日晨生态农业开发有限公司 | A kind of tank pressure control method suitable for fresh-water fishes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20160807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |