CN201606204U - Fluid sensor - Google Patents
Fluid sensor Download PDFInfo
- Publication number
- CN201606204U CN201606204U CN2010201186166U CN201020118616U CN201606204U CN 201606204 U CN201606204 U CN 201606204U CN 2010201186166 U CN2010201186166 U CN 2010201186166U CN 201020118616 U CN201020118616 U CN 201020118616U CN 201606204 U CN201606204 U CN 201606204U
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- piston
- fluid sensor
- housing
- fluid
- chamber
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Abstract
The utility model discloses a fluid sensor, which comprises a shell, a signal transmitter, a piston and a resetting device, wherein the piston is slidably arranged in a cavity of the shell; the cavity of the shell is divided into a fluid inlet cavity and a fluid outlet cavity; one end of the piston close to the signal transmitter is provided with a sensitive element; the shell on the side of the fluid inlet cavity is provided with a fluid inlet; the shell on the side of the fluid outlet cavity is provided with a fluid outlet and a fluid replenishing inlet; and an adjusting device is also arranged for adjusting the maximum volume of the fluid outlet cavity. The fluid sensor solves the technical problem of insufficient oil supply or waste due to the incapability of accurately controlling the oil supply of an oil feeder in the use of a conventional fluid sensor, and is particularly suitable for the lubricating systems of various facilities.
Description
Technical field
The utility model relates to a kind of fluid sensor.Specifically a kind of quantitative fluid sensor of oiling agent that passes through that makes.
Background technique
Liquid in hydraulic system or the lubrication system transmits by pipeline under dynamic actions such as pump, thereby finishes the transmission of pressure and lubricated to lubricating point, needs to keep valve unimpeded on pipeline and the pipeline in the transmission course.And in service in reality, issue stiffization owing to contain the lubricating grease of impurity or semi-fluid condition in the liquid inevitably in a stable condition, can cause pipeline or valve produce to stop up, liquid can not by or flow reduce, thereby can not reach its intended purposes.Therefore, under the generation stopping state, need to dredge as early as possible or take other measures, prevent that the operation of stopping up to equipment from bringing influence.And the obstruction of the pipeline that is in operation is difficult to learn by direct observation, especially under the situation of centralized lubrication, and tens at least of lubricating points, hundreds of at most is even can direct observation also can't realize real-time monitoring that whether all pipelines are stopped up.
Notification number is that the utility model patent of CN100432676C discloses a kind of fluid sensor, this fluid sensor comprises housing, piston and signal transmitting device, the influent stream chamber of the piston one side body fluid inlet side of housing inner chamber, opposite side be the shell fluid outlet side go out to flow the chamber, establish spring on the piston, sense cell is established in the guide rod end of piston, the corresponding configuration of signal transmitting device with the housing connection, piston one side shaft is to being communicated with through flow hole with piston side wall, and piston or housing have the discharge orifice that is communicated with housing influent stream chamber and goes out to flow the chamber in addition.Adopt this model utility on-the-spot fluid feed information can realize the centralized control and the unified management of fluid learning automatically away from the control room of working site.But the factors such as hydraulic pressure the when flow of the oiling agent by this fluid sensor moves with piston at every turn are relevant, therefore be uncertain, can not quantitatively control, may occur some lubricating point in use and lubricate and then influence the operation or the life-span of equipment, thereby perhaps may too much produce the situation of waste because of accommodating fluid because of the under-supply influence of fluid.
The model utility content
For this reason, technical problem to be solved in the utility model is to provide a kind of can quantitatively control the fluid sensor of the oiling agent that passes through, thereby overcomes existing fluid sensor because flow can not quantitatively be controlled the fuel feeding deficiency that oiling agent causes or the technical problem of fuel feeding waste.
For solving the problems of the technologies described above, fluid sensor described in the utility model comprises
Housing, the space that is surrounded forms a cavity;
The signal transmitting device is arranged on described housing inboard;
Piston is slidingly arranged in the cavity of described housing, and the cavity of described housing is divided into the influent stream chamber and goes out to flow the chamber, and described piston is provided with sense cell near an end of described signal transmitting device;
Resetting means is arranged on and is used for making described piston reset between described piston and the housing;
Inflow port is opened on the housing of described influent stream chamber one side;
Go out head piece, be opened on the described housing that goes out to flow chamber one side;
The feeder current mouth is opened on the described housing that goes out to flow chamber one side.
Also be provided with and be used for regulating the described controlling device that goes out to flow the chamber maximum volume.
Described controlling device is the piston stroke controlling device.
Described piston stroke controlling device is an adjustable lever, at least one end formed tapped hole that has of described piston, and the screw thread on the described adjustable lever matches with described tapped hole, by changing the stroke that length that described adjustable lever screws in described tapped hole changes described piston.
Described adjustable lever is located at described piston and is positioned at described influent stream chamber one end.
Described adjustable lever is the screw that an end is fixed with nut.
Described piston stroke controlling device comprises a projection and a pipe that is provided with vertically on the described piston, be installed with hole radially on the described projection, described pipe is provided with some radial locations hole vertically, makes the match stroke of the described piston of incompatible adjusting of different positioning hole on hole and the described pipe on the projection by pin.
Described piston goes out to flow chamber one end and is provided with piston rod described, and described sense cell is fixed on the described piston rod.
The end of described piston rod has mounting hole vertically, and non magnetic screw is installed in the described mounting hole, and described sense cell is fixed on the described non magnetic screw, and described signal transmitting device is fixed on described housing and goes out to flow in the end of chamber one side.
Described sense cell is a magnet.
Described signal transmitting device is Hall transducer or dry reed-pipe sensor.
Technique scheme of the present utility model has the following advantages compared to existing technology: the amount of the oiling agent that extrude in fluid sensor (1) can be set by the stroke of piston, therefore can quantitatively control to oil mass.(2) owing to be provided with and regulate the fluid regulating device allow the Fluid Volume that passes through, can regulate and set flow, satisfy on the basis of lubrication needs, can prevent that also fuel feeding from surpassing demand and producing waste according to the demand of reality.(3) pass through the size of piston stroke controlling device regulating piston stroke, thereby regulate the size of the amounts of lubrication of extruding, operation is simple.(4) described piston stroke controlling device is an adjustable lever, the range of the fit adjustment piston by adjustable lever and piston, thus regulate flow by fluid sensor.(5) adjustable lever is one to have the screw of nut, can reach the purpose of adjusting by rotary nut, and is simple to operate.(6) controlling device is a projection and a pipe that is provided with vertically on the piston, be installed with hole radially on the described projection, described pipe is provided with some radial locations hole vertically, make the match stroke of the described piston of incompatible adjusting of different positioning hole on hole and the described pipe on the projection by pin, can realize the quantitative adjusting of flow.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the structural representation of fluid sensor described in the utility model
Fig. 2 is the structural representation that has the fluid sensor of controlling device.
Reference character is expressed as among the figure: the 1-housing, and 11-influent stream chamber, 12-goes out to flow the chamber, the 13-inflow port, 14-goes out head piece, 15-feeder current mouth, 2-piston, 23-sense cell, 24-piston rod, the non magnetic screw of 25-, 3-resetting means, 4-controlling device.
Embodiment
The structure of fluid sensor described in the utility model comprises housing 1 as shown in Figure 1, is located at piston 2 and signal transmitting device in the housing 1, and the space that described housing 1 surrounds forms a cavity.Described piston 2 is slidingly arranged in the described cavity, and described cavity is divided into influent stream chamber 11 and goes out to flow chamber 12.In going out to flow chamber 12, also be provided with the resetting means 3 that piston 2 is resetted, described piston 2 is provided with sense cell 23 near an end of described signal transmitting device, and described housing 1 is fixed with a signal transmitting device (not shown) accordingly near an end and the described sense cell 23 of sense cell 23.This fluid sensor also is provided with and is used for the controlling device 4 of regulated fluid flow.
Have seal groove on the piston 2 of described fluid sensor, o shape seal ring is installed in seal groove, leak to prevent to produce.The cavity that described piston 2 surrounds housing 1 is divided into two parts, be influent stream chamber 11 and go out to flow chamber 12, having on the housing 1 of described influent stream chamber 11 1 sides makes oiling agent enter the inflow port 13 of fluid sensor, have out head piece 14 on the described housing 1 that goes out to flow chamber 12 1 sides, make oiling agent under the pressure effect of piston 2, be extruded fluid sensor, enter the pipeline that leads to lubricating point.On the described housing 1 that goes out to flow chamber 12 1 sides, also have the feeder current mouth 15 of supplemental lubrication agent.Along with the motion of piston 2, described influent stream chamber 11 and the described volume that goes out to flow chamber 12 constantly change.Described piston 2 is provided with piston rod 24 near an end that goes out to flow chamber 12, described piston rod 24 is provided with step with the position that described piston 2 joins, be used for to being located at out the resetting means 3 between the described pistons 2 and described housing 1 in the stream chamber 12, it is spacing to be that a spring carries out in the present embodiment.Because the stroke of described piston 2 is determined, promptly the maximum volume that goes out to flow the chamber is determined, thereby the piston of fluid sensor at every turn the high order end from figure move to low order end, the amount that goes out the oiling agent of head piece 14 outflows from described fluid sensor is also determined, can realize from the quantitative control of the oiling agent that goes out the head piece outflow by the stroke of setting piston 2.
The end of described piston rod 24 is formed with mounting hole vertically, mounting hole matches with a non magnetic screw 25 by screw thread, described non magnetic screw 25 is a brass screw in the present embodiment, and the other end of described brass screw is inlaid with a magnet, is a permanent magnet in the present embodiment.Described housing 1 goes out to flow chamber 12 1 sides and is provided with an end cap (not shown) described, and this end cap cooperates with housing 1 by screw thread.Described signal transmitting device is inlayed the inboard that is fixed on this end cap, and described in the present embodiment signal transmitting device adopts hall sensor.When the oiling agent in the influent stream chamber 11 promotes piston 2 when going out to flow chamber 12 operations, this permanent magnet is near hall sensor, hall sensor is subjected to sending signal to supervisory system after the effect of magnetic force, and expression piston 2 is expressed to lubrication piping with oiling agent in fluid sensor, produces and stops up.
Described fluid sensor also is provided with controlling device 4, as shown in Figure 2, is used for regulating the flow size by the oiling agent of fluid sensor.In the present embodiment, the size that the mode of the stroke size of employing regulating piston 2 is regulated the flow of the oiling agent that flows through fluid sensor, be specially: the end that is positioned at influent stream chamber 11 1 sides at described piston 2 is formed with tapped hole vertically, described tapped hole matches with a screwed adjustable lever, and described adjustable lever adopts an end to have the screw of nut.Screw in the size of adjustable in length piston 2 strokes of tapped hole by regulating described screw, thereby regulate the size of the amount of the oiling agent that extrudes.On described screw, make a mark, so that the amount of accurate quantification control oiling agent every a segment distance.
Fluid sensor described in the utility model and selector valve (not shown) are used, and are specially: described inflow port 13 links to each other with selector valve with feeder current mouth 15, and described in the present embodiment selector valve is a solenoid valve.When this fluid sensor used first, inflow port 13 communicated with inflow pipeline, and oiling agent enters influent stream chamber 11 by inflow port 13, promoted piston 2 and overcame spring force to going out to flow chamber 12 motions, went out to flow in the chamber 12 unlubricated dose this moment.When piston 2 moved to the signal transmitting device that makes on the close housing 1 of permanent magnet, transmitter sent signal to supervisory system under magnetic force.Solenoid valve commutation when piston 2 moves to low order end among the figure, oiling agent in the influent stream chamber 11 is refluxed, oiling agent communicates with feeder current mouth 15 by pipeline, enter out stream chamber 12 by feeder current mouth 15, and promote piston 2 with the restoring force of spring and return influent stream chamber 11, when piston 2 is pulled to high order end among the figure, finish the repairing process.Solenoid valve commutates once more, makes oiling agent enter influent stream chamber 11 by inflow port 13, promotes piston 2 and overcomes the right-hand motion of spring force in figure.The oiling agent that goes out to flow in the chamber 12 is forced out fluid sensor from going out head piece 14 under the pressure of piston 2, enter lubrication piping, and lubricating point is lubricated.When piston 2 moved to right-hand member among the figure, hall sensor sent signal to supervisory system under the permanent magnet magnetic force effect, show that piston motion is normal, and oiling agent is pressed to lubricating point under the pressure of piston, and therefore, stopping up does not appear in this lubricating pipe.If certain is stopped up, piston 2 can not proper motion right-hand member in the figure, thereby the 14 pairs of equipment of head piece that go out that oiling agent can not be extruded fluid sensor are lubricated.The hall sensor induction can't be sent signal to supervisory system less than permanent magnet magnetic force, promptly is shown as in supervisory system and can not normally moves.
When the needs adjustment is big or small by the flow of the oiling agent of fluid sensor, open end cap and take out piston 2, screw to be regulated in piston 2, it is big that the stroke of piston 2 becomes, and the amounts of lubrication that squeezes out is also corresponding to be increased.Otherwise, when the amounts of lubrication of needs hour, screw is regulated outside piston 2, the stroke of piston 2 is diminished, the amounts of lubrication of extruding is also corresponding to diminish.Adjustment finishes piston 2 is put into housing 1, tightens end cap.The controlling device 4 of flow makes and can regulate according to the factors such as working environment of equipment by the amounts of lubrication of flow transducer, thereby not only can satisfy lubricated demand but also can not cause the waste of oiling agent.
In a second embodiment, described controlling device 4 on the piston 2 vertically projection and the pipe that matches with this shape for lugs.This projection can be the boss of different shape, is a boss platform in the present embodiment, and described pipe is a pipe.Described boss platform radially is installed with a hole, radially is installed with three holes on the described pipe, and these three holes evenly are located on the pipe.Described boss and pipe pass hole on boss and the pipe by pin and fix and locate.Positioning holes different on hole and the pipe on the pin is cooperated to make piston 2 that different strokes is arranged, thereby regulate the throughput of oiling agent.Described signal transmitting device adopts the dry reed-pipe inductor, and other are identical with first embodiment.
In above two embodiments, described non magnetic screw 25 also can be used as controlling device 4, adjusts the stroke of piston 2 by the length of non magnetic screw 25 screw-in pistons 2 bars.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all mode of executions.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (10)
1. a fluid sensor comprises
Housing (1), the space that is surrounded forms a cavity;
The signal transmitting device is arranged on the described housing (1);
It is characterized in that: also comprise
Piston (2) is slidably disposed in the cavity of described housing (1), and the cavity of described housing (1) is divided into influent stream chamber (11) and goes out to flow chamber (12), and described piston (2) is provided with sense cell (23) near an end of described signal transmitting device;
Resetting means (3) is arranged between described piston (2) and the housing (1) and is used for making described piston (2) to reset;
Inflow port (13) is opened on the housing (1) of described influent stream chamber (11) one sides;
Go out head piece (14), be opened on the described housing (1) that goes out to flow chamber (12) one sides;
Feeder current mouth (15) is opened on the described housing (1) that goes out to flow chamber (12) one sides.
2. fluid sensor according to claim 1 is characterized in that: also be provided with and be used for regulating the described controlling device that goes out to flow chamber (12) maximum volume.
3. fluid sensor according to claim 2 is characterized in that: described controlling device (4) is the piston stroke controlling device.
4. fluid sensor according to claim 3, it is characterized in that: described piston stroke controlling device is an adjustable lever, at least one end formed tapped hole that has of described piston (2), screw thread on the described adjustable lever matches with described tapped hole, by changing the stroke that length that described adjustable lever screws in described tapped hole changes described piston (2).
5. fluid sensor according to claim 4 is characterized in that: described adjustable lever is located at the end that described piston (2) is positioned at described influent stream chamber (11).
6. fluid sensor according to claim 5 is characterized in that: described adjustable lever is the screw that an end is fixed with nut.
7. fluid sensor according to claim 3, it is characterized in that: described piston stroke controlling device comprises a projection and a pipe that is provided with vertically on the described piston (2), be installed with hole radially on the described projection, described pipe is provided with some radial locations hole vertically, makes the match stroke of the described piston of incompatible adjusting (2) of different positioning hole on hole and the described pipe on the projection by pin.
8. according to each described fluid sensor among the claim 1-7, it is characterized in that: described piston (2) goes out to flow chamber one end and is provided with piston rod (24) described, and described sense cell (23) is fixed on the described piston rod (24).
9. fluid sensor according to claim 8, it is characterized in that: the end of described piston rod (24) has mounting hole vertically, non magnetic screw (25) is installed in the described mounting hole, described sense cell (23) is fixed on the described non magnetic screw (25), and described signal transmitting device is fixed on described housing and goes out to flow in the end of chamber (12) one sides.
10. fluid sensor according to claim 9 is characterized in that: described sense cell (23) is a magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201186166U CN201606204U (en) | 2010-02-25 | 2010-02-25 | Fluid sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201186166U CN201606204U (en) | 2010-02-25 | 2010-02-25 | Fluid sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201606204U true CN201606204U (en) | 2010-10-13 |
Family
ID=42950910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201186166U Expired - Fee Related CN201606204U (en) | 2010-02-25 | 2010-02-25 | Fluid sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201606204U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169350A (en) * | 2010-02-25 | 2011-08-31 | 北京中冶华润科技发展有限公司 | Fluid sensor |
| CN109236632A (en) * | 2018-11-16 | 2019-01-18 | 漯河安润设备有限公司 | A kind of fuel-displaced detectable high-pressure plunger |
-
2010
- 2010-02-25 CN CN2010201186166U patent/CN201606204U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169350A (en) * | 2010-02-25 | 2011-08-31 | 北京中冶华润科技发展有限公司 | Fluid sensor |
| CN109236632A (en) * | 2018-11-16 | 2019-01-18 | 漯河安润设备有限公司 | A kind of fuel-displaced detectable high-pressure plunger |
| CN109236632B (en) * | 2018-11-16 | 2023-08-15 | 漯河安润设备有限公司 | High-pressure plunger capable of detecting oil outlet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20190225 |