CN206818279U - Liquid level gauge - Google Patents
Liquid level gauge Download PDFInfo
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- CN206818279U CN206818279U CN201720387704.8U CN201720387704U CN206818279U CN 206818279 U CN206818279 U CN 206818279U CN 201720387704 U CN201720387704 U CN 201720387704U CN 206818279 U CN206818279 U CN 206818279U
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- China
- Prior art keywords
- liquid level
- adsorption piece
- conduit
- level gauge
- rheostat
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Abstract
The utility model proposes a kind of liquid level gauge,For monitoring the liquid level of liquid in container,The liquid level gauge includes conduit and buoyant member,The tube at one end is fixed on outside the liquid,The other end of the conduit is stretched into the liquid,The buoyant member is sheathed on the conduit and floated on liquid level,The liquid level gauge also includes rheostat and adsorption piece,The adsorption piece includes the first adsorption piece and the second adsorption piece to attract each other,First adsorption piece is in the buoyant member,The rheostat is fixed in the conduit and is connected with external circuit,Second adsorption piece abuts in the conduit and with the rheostat,When liquid level changes,The buoyant member can move along the conduit,Second adsorption piece can change the resistance value that the rheostat accesses the external circuit under the attraction effect of first adsorption piece relative to the rheostat movement.Liquid level gauge of the present utility model can monitor liquid level in real time.
Description
Technical field
A kind of sensor is the utility model is related to, more particularly to a kind of liquid level gauge for being used to monitor liquid level.
Background technology
Traditional liquid level gauge is generally by device floats such as ball floats in liquid level, when liquid level rises or falls, the liquid level
Meter rises or falls therewith.Prescribed a time limit when liquid level reaches default up/down, the liquid level gauge is communicated in up/down by ball float and limited
Circuit at liquid level is such as alarmed with triggering corresponding actions.But the liquid level gauge can only be confined to the up/down limit of liquid level
Monitoring, and the real time information of liquid level can not be obtained.
Utility model content
In view of the foregoing, it is necessary to which a kind of liquid level gauge that can monitor liquid level in real time is provided.
A kind of liquid level gauge, for monitoring the liquid level of liquid in container, the liquid level gauge includes conduit and buoyant member, described to lead
Pipe one end is fixed on outside the liquid, and the other end of the conduit is stretched into the liquid, and the buoyant member is sheathed on described lead
On pipe and float on liquid level, the liquid level gauge also includes rheostat and adsorption piece, the adsorption piece include attracting each other the
One adsorption piece and the second adsorption piece, for first adsorption piece in the buoyant member, the rheostat is fixed on the conduit
Interior and be connected with external circuit, second adsorption piece abuts in the conduit and with the rheostat, when liquid level change
When, the buoyant member can move along the conduit, and second adsorption piece can be in the attraction of first adsorption piece
Relative to the rheostat movement to change the resistance value that the rheostat accesses the external circuit under effect.
Further, the conduit includes top and bottom, and the lower end is blind end, liquid during preventing from stretching into liquid
Flow into the conduit, the upper end is openend, to draw electric wire so that the rheostat being contained in conduit to be electrically connected
It is connected to the external circuit.
Further, the conduit includes body, fixed plate and baffle plate, and the body is the hollow body of both ends open,
The fixed plate and the baffle plate are individually fixed in two openends of the body, and the fixed plate is sheathed on the body
The upper end above and with openend one of them described is collectively formed, the fixed plate is used to the liquid level gauge being fixed on outside
In structure, the baffle plate completely encloses another openend, and forms the lower end, and the baffle plate stops the floating
Part departs from the body.
Further, the buoyant member includes base and top cover, and the base is relatively fixed and in the two with the top cover
Between form host cavity, first adsorption piece is installed in the host cavity.
Further, the base includes bottom plate and the lateral wall and madial wall positioned at described bottom plate the same side, the bottom
In a ring, the madial wall extends to be formed plate from the inside edge of the bottom plate towards the same side of the bottom plate, the outside
Wall extends to be formed from the same side of outer ledge towards the bottom plate of the bottom plate, and the madial wall, which encloses, to be set to form guide hole to wear
If the conduit, the lateral wall is set around madial wall, and the madial wall, the lateral wall and the bottom plate enclose and set shape jointly
Into the host cavity, host cavity described in the top seal.
Further, the rheostat includes resistance board, two slide rails and brush, and two slide rails are relatively fixed to institute
To state in conduit, the resistance board is arranged between two slide rails, and the brush is slidably installed on two slide rails,
And support the resistance board.
Further, second adsorption piece is fixed on the brush side, and the second adsorption piece both ends support respectively
Two slide rails, second adsorption piece can drive the brush to be slided along the slide rail.
Further, the quantity of second adsorption piece is two, and two second adsorption pieces are individually fixed in described
The opposite sides of brush.
Further, the liquid level gauge also includes the signal transmitting apparatus being located in external circuit, the signal transmission dress
Put and the rheostatic current signal is converted into wireless signal and sends terminal to.
Further, first adsorption piece is permanent magnet, and second adsorption piece is iron core.
Liquid level gauge of the present utility model utilizes the mutual attractive force between the first adsorption piece and the second adsorption piece, and variable resistance
The operating principle of device, the first adsorption piece is fixed in buoyant member, the second adsorption piece is fixed on rheostat, makes the second adsorption piece
Buoyant member can be followed mobile and change the resistance value of rheostat access external circuit, and then monitor liquid level in real time
Purpose.
Brief description of the drawings
Fig. 1 is the schematic perspective view for the liquid level gauge that an embodiment of the present utility model provides.
Fig. 2 is the decomposing schematic representation of liquid level gauge shown in Fig. 1.
Fig. 3 is the decomposing schematic representation of the brush of liquid level gauge and the second adsorption piece in Fig. 2.
Fig. 4 is the sectional view of amplification of the liquid level gauge shown in Fig. 1 along IV-IV lines.
Main element symbol description
Following embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
It should be noted that when a component is considered as " connection " another component, it can be directly to separately
One component may be simultaneously present the component being centrally located.When a component is considered as " being arranged on " another component,
It can be set directly on another component or may be simultaneously present the component being centrally located.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Fig. 1 and Fig. 2 are referred to, the present embodiment provides a kind of liquid level gauge 100, for monitoring in real time in container (not shown)
The liquid level of liquid.Liquid level gauge 100 includes conduit 10, buoyant member 20, rheostat 30 and adsorption piece 40.One end of conduit 10 is fixed on
Outside liquid, the other end of conduit 10 is stretched into liquid.Buoyant member 20 is sheathed on conduit 10 and floated on liquid level.Rheostat 30
It is fixed in conduit 10 and is electrically connected with external circuit.Adsorption piece 40 includes the first adsorption piece 41 to attract each other and the second absorption
Part 43.First adsorption piece 41 is in buoyant member 20.Second adsorption piece 43 abuts in conduit 10 and with rheostat 30.Work as liquid
When position changes, buoyant member 20 can move along conduit 10, and the second adsorption piece 43 can be in the attraction masterpiece of the first adsorption piece 41
Moved with lower relative to rheostat 30 to change the resistance value that rheostat 30 accesses external circuit.
Preferably, liquid level gauge 100 also includes the signal transmitting apparatus (not shown) being located in external circuit, signal transmission dress
Put and current signal of the rheostat 30 in external circuit is converted into wireless signal in real time and sends terminal to.It is appreciated that
Ground, signal transmitting apparatus can use the wireless transmission method such as WIFI, bluetooth, can also by the way of cable transmission signal.
Fig. 1 and Fig. 4 are referred to, conduit 10 is the hollow body of one end open.Conduit 10 includes upper end 101 and lower end 102.Under
End 102 is blind end, during preventing from stretching into liquid in fluid flow into conduit 10.Upper end 101 is openend, to draw electric wire
Deng so that the rheostat being contained in conduit 10 30 is electrically connected into external circuit.Upper end 101 is additionally operable to conduit 10 being fixed on outside
In portion's structure (not shown, such as fixed mount).In the present embodiment, conduit 10 is strip, and its upper end 101 is fixed on positioned at liquid
In external structure above face.It is to be appreciated that in other embodiments, conduit 10 can also use other shapes, such as L
Shape, its upper end 101 are fixed in the external structure above liquid level side.
Fig. 2 is referred to, in the present embodiment, conduit 10 includes body 11, fixed plate 13 and baffle plate 15.Fixed plate 13
The opposite end of body 11 is individually fixed in baffle plate 15.
Body 11 is the hollow body of both ends open.In the present embodiment, body 11 is substantially in cylinder.It is appreciated that
Ground, in other embodiments, body 11 can also use other shapes, such as cuboid, prism etc..The side wall of body 11 surrounds
A receiving hole 112 is formed to install rheostat 30.
Fixed plate 13 is arranged and is fixed on one of openend of body 11, and collectively forms conduit 10 with the openend
Upper end 101.Fixed plate 13 is fixed in external structure, to fix body 11.Fixed plate 13 is higher than the upper limit position of liquid level.
In present embodiment, fixed plate 13 is in the shape of a substantially rectangular plate, but not limited to this.It is appreciated that in other embodiment, fixed plate 13
It can also omit, body 11 can also be fixed using other manner, such as clamping, stickup etc..
Baffle plate 15 is fixed on another openend of body 11 and the openend is fully sealed, and baffle plate 15 is opened with this
Mouth end collectively forms the lower end 102 of conduit 10.The area of baffle plate 15 is more than the aperture area of body 11.In present embodiment
In, baffle plate 15 is generally circular.It is to be appreciated that in other embodiments, baffle plate 15 can also use other shapes.
Refer to Fig. 1 and Fig. 2,20 hollow setting of buoyant member, and it is substantially annular in shape.Buoyant member 20 is sheathed on body 11, and
Between fixed plate 13 and baffle plate 15.Buoyant member 20 can move along body 11.Buoyant member 20 includes base 21 and top
Lid 23.Base 21 is relatively fixed with top cover 23, and in formation host cavity 25 therebetween.Host cavity 25 is housing the first absorption
Part 41.
Specifically, base 21 includes bottom plate 211, and lateral wall 212 and madial wall 213 positioned at the same side of bottom plate 211.
The surface plate of perforate centered on bottom plate 211.In the present embodiment, bottom plate 211 is substantially in annular.Lateral wall 212 is from bottom plate
The same side of 211 outer ledge towards bottom plate 211, which extends, to be formed.Madial wall 213 is from the inside edge of bottom plate 211 towards bottom plate
211 the same side extends to be formed.Madial wall 213, which encloses, to be set to form guide hole 27 to wear body 11.Lateral wall 212 is around madial wall
213 are set.Madial wall 213, lateral wall 212 and bottom plate 211 enclose jointly to be set to form host cavity 25.The shape and size of top cover 23 are big
Cause identical with the shape and size of bottom plate 211, top cover 23 is sealing host cavity 25.
Fig. 2 to Fig. 4 is referred to, rheostat 30 is fixed in the receiving hole 112 of body 11.Rheostat 30 includes resistance board
31st, two slide rails 33 and brush 35.Two slide rails 33 are in receiving hole 112 and are oppositely arranged.One end of each slide rail 33 is consolidated
Due on baffle plate 15, the other end stretches out from the upper, open end of body 11.Resistance board 31 is arranged between two slide rails 33, and
Its upper end is stretched out to be connected with external circuit from the upper, open end of body 11.Brush 35 is slideably installed in two slide rails 33
On, and between two slide rails 33.The moment of brush 35 supports resistance board 31.Brush 35 passes through electric wire (not shown) and external electrical
Road connects.
Further, rheostat 30 also includes two connecting plates 37.Two connecting plates 37 are respectively arranged on the both ends of slide rail 33.
Each connecting plate 37 connects two slide rails 33, so that the spacing between two slide rails 33 is fixed.Two slide rails 33 pass through wherein one
Individual connecting plate 37 is fixed on baffle plate 15.
Fig. 2 and Fig. 4 are referred to, adsorption piece 40 includes the first adsorption piece 41 and at least one second adsorption piece 43.First inhales
Annex 41 is ring-like.First adsorption piece 41 is sheathed on the madial wall 213 of the base 21 of buoyant member 20, and is contained in host cavity 25
It is interior.Preferably, the inner side of the first adsorption piece 41 attaches madial wall 213.Second adsorption piece 43 is installed on the side of brush 35.Brush
35 are slidably secured on two slide rails 33 by the second adsorption piece 43.Specifically, the opposite end of the second adsorption piece 43 point
Two slide rails 33 are not supported, and can be slided along slide rail 33.In the present embodiment, adsorption piece 40 includes two second absorption
Part 43.Two the second adsorption pieces 43 are individually fixed in the opposite end of brush 35.
Attraction be present between first adsorption piece 41 and the second adsorption piece 43.First adsorption piece 41 moves with buoyant member 20
When, the second adsorption piece 43 can drive brush 35 to follow the first adsorption piece 41 to move, so that brush 35 supports resistance board 31 not
Change the resistance value that resistance board 31 accesses external circuit with position.In the present embodiment, the first adsorption piece 41 uses permanent magnet, the
Two adsorption pieces 43 use iron core.It is appreciated that in other embodiments, the second adsorption piece 43 can also be magnetic material or its
The material that he is attracted by magnetic material.
Fig. 1 to Fig. 4 is referred to, when liquid level changes, buoyant member 20 follows liquid level to move up and down.Buoyant member 20
In the first adsorption piece 41 attract two the second adsorption pieces 43 to be slided along slide rail 33, two the second adsorption pieces 43 drive brushes 35
Moved along resistance board 31, so that external circuit current signal changes.Signal transmitting apparatus is by corresponding current signal
Transmit to terminal, and corresponding liquid level is converted into by terminal.
Liquid level gauge 100 of the present utility model utilizes the mutual attractive force between the first adsorption piece 41 and the second adsorption piece 43,
And the operating principle of rheostat 30, the first adsorption piece 41 is fixed in buoyant member 20, the second adsorption piece 43 is fixed on variable resistance
On device 30, enable the second adsorption piece 43 to follow buoyant member 20 to move and change the resistance value that rheostat 30 accesses external circuit,
And then the purpose of liquid level is monitored in real time.
In addition, those skilled in the art can also do other changes in the utility model spirit, certainly, these are according to this reality
The change made of new spirit, it should all be included in the utility model scope claimed.
Claims (10)
1. a kind of liquid level gauge, for monitoring the liquid level of liquid in container, the liquid level gauge includes conduit and buoyant member, the conduit
One end is fixed on outside the liquid, and the other end of the conduit is stretched into the liquid, and the buoyant member is sheathed on the conduit
Above and float on liquid level, it is characterised in that：The liquid level gauge also includes rheostat and adsorption piece, and the adsorption piece includes mutual
The first adsorption piece and the second adsorption piece attracted, in the buoyant member, the rheostat is fixed on first adsorption piece
It is connected in the conduit and with external circuit, second adsorption piece abuts in the conduit and with the rheostat, when
When liquid level changes, the buoyant member can move along the conduit, and second adsorption piece can be in first adsorption piece
Attraction effect under relative to the rheostat movement to change the resistance value that the rheostat accesses the external circuit.
2. liquid level gauge as claimed in claim 1, it is characterised in that：The conduit includes top and bottom, and the lower end is envelope
Closed end, liquid is flowed into the conduit during preventing from stretching into liquid, and the upper end be openend, to draw electric wire with will collecting
The external circuit is electrically connected in the rheostat in conduit.
3. liquid level gauge as claimed in claim 2, it is characterised in that：The conduit includes body, fixed plate and baffle plate, described
Body is the hollow body of both ends open, and the fixed plate and the baffle plate are individually fixed in two openends of the body,
The fixed plate is sheathed on the body and collectively forms the upper end with openend one of them described, and the fixed plate is used
Be fixed in by the liquid level gauge in external structure, the baffle plate completely encloses another openend, and form it is described under
End, the baffle plate stop that the buoyant member departs from the body.
4. liquid level gauge as claimed in claim 1, it is characterised in that：The buoyant member includes base and top cover, the base with
The top cover is relatively fixed and in forming host cavity therebetween, first adsorption piece is installed in the host cavity.
5. liquid level gauge as claimed in claim 4, it is characterised in that：The base includes bottom plate and positioned at described bottom plate the same side
Lateral wall and madial wall, in a ring, the madial wall is from the inside edge of the bottom plate towards the bottom plate for the bottom plate
The same side extends to be formed, and the lateral wall extends to be formed from the same side of outer ledge towards the bottom plate of the bottom plate, institute
State madial wall and enclose and set to form guide hole to wear the conduit, the lateral wall is set around madial wall, the madial wall, described outer
Side wall and the bottom plate enclose jointly to be set to form the host cavity, host cavity described in the top seal.
6. liquid level gauge as claimed in claim 1, it is characterised in that：The rheostat includes resistance board, two slide rails and brush,
Two slide rails are relatively fixed in the conduit, and the resistance board is arranged between two slide rails, and the brush is slided
It is installed in dynamicly on two slide rails, and supports the resistance board.
7. liquid level gauge as claimed in claim 6, it is characterised in that：Second adsorption piece is fixed on the brush side, institute
State the second adsorption piece both ends and support two slide rails respectively, second adsorption piece can drive the brush along the slide rail
Slide.
8. liquid level gauge as claimed in claim 7, it is characterised in that：The quantity of second adsorption piece is two, described in two
Second adsorption piece is individually fixed in the opposite sides of the brush.
9. liquid level gauge as claimed in claim 1, it is characterised in that：The liquid level gauge also includes being located in the external circuit
Signal transmitting apparatus, the signal transmitting apparatus are electrically connected with the rheostat, and the rheostatic current signal is changed
Into wireless signal and send terminal to.
10. liquid level gauge as claimed in claim 1, it is characterised in that：First adsorption piece is permanent magnet, second absorption
Part is iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720387704.8U CN206818279U (en) | 2017-04-13 | 2017-04-13 | Liquid level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720387704.8U CN206818279U (en) | 2017-04-13 | 2017-04-13 | Liquid level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206818279U true CN206818279U (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720387704.8U Active CN206818279U (en) | 2017-04-13 | 2017-04-13 | Liquid level gauge |
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| CN (1) | CN206818279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307546A (en) * | 2018-11-29 | 2019-02-05 | 魏雅琴 | Magnetic water level monitoring device |
| CN112325976A (en) * | 2020-10-28 | 2021-02-05 | 苏州贝康智能制造有限公司 | Liquid level sensor and liquid level detection system |
-
2017
- 2017-04-13 CN CN201720387704.8U patent/CN206818279U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307546A (en) * | 2018-11-29 | 2019-02-05 | 魏雅琴 | Magnetic water level monitoring device |
| CN112325976A (en) * | 2020-10-28 | 2021-02-05 | 苏州贝康智能制造有限公司 | Liquid level sensor and liquid level detection system |
| CN112325976B (en) * | 2020-10-28 | 2024-03-19 | 苏州贝康智能制造有限公司 | Liquid level sensor and liquid level detection system |
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