CN207816402U - A kind of liquid level sensor being exclusively used in small pipeline - Google Patents
A kind of liquid level sensor being exclusively used in small pipeline Download PDFInfo
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- CN207816402U CN207816402U CN201721349927.1U CN201721349927U CN207816402U CN 207816402 U CN207816402 U CN 207816402U CN 201721349927 U CN201721349927 U CN 201721349927U CN 207816402 U CN207816402 U CN 207816402U
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- plastic shell
- spring leaf
- metal spring
- liquid level
- circuit board
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
Further include lid on the plastic shell the utility model discloses a kind of liquid level sensor being exclusively used in small pipeline, including plastic shell, the lid is arranged in the bottom of plastic shell, and is detachably connected with plastic shell；The plastic shell is equipped with negative metal spring leaf, cathode metal spring leaf and conducting wire, and the negative metal spring leaf is wrapped in the outside of cathode metal spring leaf；The plastic shell is internally provided with circuit board, the circuit board is arranged at plastic shell inner upper end, and it is Nian Jie with plastic shell, the gap of the circuit board and plastic shell is equipped with glue, a kind of liquid level sensor being exclusively used in small pipeline, simple in structure, detection range is bigger than the range of existing product, more convenient when user installation.
Description
Technical field
The utility model is related to sensor technical field, specially a kind of liquid level sensor being exclusively used in small pipeline.
Background technology
The level sensing of the nonmetal pipeline of industrial equipment；The level sensing of the nonmetal pipeline of Medical Devices；Such as it is defeated
The level sensing alarm that the infusion of liquid pipe road is completed；The level sensing of agricultural machinery, plant protection drone, automatic irrigation system；It drinks
The water level detecting of the nonmetal pipeline of wetting system；Household commercial appliance（Juice extractor, water dispenser, soy bean milk making machine, coffee machine, automatic bubble
Tea machine etc.）Water level detecting；The detection of the water levels such as various water tanks, water tower, fish jar；Instruments used for education, experimental facilities level sensing；
It whether continuous detects the flowing of nonmetal pipeline liquid, or has detected whether bubble.
Existing product in the market is all the pipeline that can be used only in diameter and be more than 10mm, the disadvantage is that being less than 10mm to diameter
The level sensing meeting failure of pipeline, or detection output signal are unstable.
The sensitive surface of existing product in the market is fixed half round surface of radius, the disadvantage is that the smaller induction sensitivity of pipeline
Also it can be lower and it is necessary to be fixed on pipeline with band, it has not been convenient to user installation.
Existing product in the market is all to use single electrode capacitance induction principle, the disadvantage is that the pipeline smaller to diameter
Liquid level it is insensitive, failure is easy when detection.
Utility model content
The purpose of this utility model is to provide a kind of liquid level sensors being exclusively used in small pipeline, solve background technology
Problem.
To achieve the above object, the utility model provides the following technical solutions：A kind of level sensing being exclusively used in small pipeline
Device, including plastic shell further include lid on the plastic shell, and the lid is arranged in the bottom of plastic shell, and with modeling
Glue shell is detachably connected；
The plastic shell is equipped with negative metal spring leaf, cathode metal spring leaf and conducting wire, the negative metal bullet
Reed is wrapped in the outside of cathode metal spring leaf；
The plastic shell is internally provided with circuit board, and the circuit board is arranged at plastic shell inner upper end, and with modeling
Glue shell is bonded, and the gap of the circuit board and plastic shell is equipped with glue.
Further, the negative metal spring leaf is arranged in the top left side edge of plastic shell, and runs through plastic cement
Shell, the stitch and welding circuit board of the negative metal spring leaf.
Further, the cathode metal spring leaf is located at the right side of negative metal spring leaf, and runs through plastic shell, institute
State the stitch and welding circuit board of cathode metal spring leaf.
Further, the left-hand face of the plastic shell is equipped with outlet hole, the conducting wire and welding circuit board, described to lead
Line passes through outlet hole.
Further, the folder of the negative metal spring leaf and cathode metal spring leaf is away from for 2-12mm.
Compared with prior art, the beneficial effects of the utility model are as follows：The utility model by equipped with negative metal
Spring leaf and cathode metal spring leaf, can detect the liquid level of the pipeline of 2-12mm ranges, detect the pipeline of more pipe with small pipe diameter
Liquid level, minimum can detect that caliber is the liquid level of the pipeline of 2mm, and detection range is bigger than the range of existing product；User installation
When it is more convenient, do not need any other auxiliary material or tool, two spring electrode pieces are directly clamped pipeline and be can be used
The product of invention.
Description of the drawings
Fig. 1 is a kind of main view schematic cross-sectional view for the liquid level sensor being exclusively used in small pipeline of the utility model；
Fig. 2 is that a kind of negative metal chip architecture of the spring of liquid level sensor being exclusively used in small pipeline of the utility model is illustrated
Figure；
Fig. 3 is that a kind of cathode metal chip architecture of the spring of liquid level sensor being exclusively used in small pipeline of the utility model is illustrated
Figure.
In figure：Negative metal spring leaf -1, circuit board -3, plastic shell -4, lid -5, is led at cathode metal spring leaf -2
Line -6.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of liquid level sensor being exclusively used in small pipeline,
Further include lid 5 including plastic shell 4, on the plastic shell 4, the lid 5 is arranged in the bottom of plastic shell 4, and with
Plastic shell 1 is detachably connected；The plastic shell 4 is equipped with negative metal spring leaf 1, cathode metal spring leaf 2 and conducting wire
6, the negative metal spring leaf 1 is wrapped in the outside of cathode metal spring leaf 2；The plastic shell 4 is internally provided with circuit board
3, the circuit board 3 is arranged at 4 inner upper end of plastic shell, and Nian Jie with plastic shell 4, outside the circuit board 3 and plastic cement
The gap of shell 4 is equipped with glue；The negative metal spring leaf 1 is arranged in the top left side edge of plastic shell 4, and through modeling
Glue shell 4, stitch and the circuit board 3 of the negative metal spring leaf 1 weld；The cathode metal spring leaf 2 is located at cathode gold
Belong to the right side of spring leaf 1, and run through plastic shell 4, stitch and the circuit board 3 of the cathode metal spring leaf 2 weld；The modeling
The left-hand face of glue shell 4 is equipped with outlet hole, and the conducting wire 6 is welded with circuit board 3, and the conducting wire 6 passes through outlet hole；It is described negative
The folder of pole metallic spring 1 and cathode metal spring leaf 2 is away from for 2-12mm；It is wrapped in positive gold equipped with negative metal spring leaf 1
The stability of sensor can be improved to prevent interference of the external object to sensor by belonging to the outside of spring leaf 2, the cathode being equipped with
Pipeline is clipped in by metallic spring 1 and cathode metal spring leaf 2 using two pieces of sheet metals as two electrodes of capacitive sensing
Among two electrode metal pieces, the detection of pipeline liquid level is realized by capacitive induction principle；Negative metal spring leaf 1 and just simultaneously
Pole metallic spring 2, and can be as the effect of the holder of fixed sensor.
The negative metal spring leaf 1 of the utility model, cathode metal spring leaf 2, circuit board 3, plastic shell 4, lid 5,
Conducting wire 6, component, its structure and the principle that component is universal standard part or those skilled in the art know all are this technology personnel
Can be learnt by technical manual or be known by routine experiment method, the utility model by equipped with negative metal spring leaf
1 and cathode metal spring leaf 2, the liquid level of the pipeline of 2-12mm ranges can be detected, detects the liquid level of the pipeline of more pipe with small pipe diameter,
Minimum can detect that caliber is the liquid level of the pipeline of 2mm, and detection range is bigger than the range of existing product；It is more square when user installation
Just, any other auxiliary material or tool are not needed, two spring electrode pieces directly clamp pipeline and can be used the present invention's
Product.
Operation principle：When the utility model is used, first, pulling open negative metal spring leaf 1, while holding negative metal
Spring leaf 1 puts pipeline between negative metal spring leaf 1 and cathode metal spring leaf 2 into, decontrols negative metal spring leaf 1, i.e.,
It can.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of liquid level sensor being exclusively used in small pipeline, including plastic shell（4）, it is characterised in that：The plastic shell（4）
On further include lid（5）, the lid（5）It is arranged in plastic shell（4）Bottom, and and plastic shell（4）It is detachably connected；
The plastic shell（4）It is equipped with negative metal spring leaf（1）, cathode metal spring leaf（2）And conducting wire（6）, described negative
Pole metallic spring（1）It is wrapped in cathode metal spring leaf（2）Outside；
The plastic shell（4）It is internally provided with circuit board（3）, the circuit board（3）It is arranged in plastic shell（4）Inner upper end
Place, and and plastic shell（4）Bonding, the circuit board（3）And plastic shell（4）Gap be equipped with glue.
2. a kind of liquid level sensor being exclusively used in small pipeline according to claim 1, it is characterised in that：The negative metal
Spring leaf（1）It is arranged in plastic shell（4）Top left side edge, and run through plastic shell（4）, the negative metal spring
Piece（1）Stitch and circuit board（3）Welding.
3. a kind of liquid level sensor being exclusively used in small pipeline according to claim 1, it is characterised in that：The cathode metal
Spring leaf（2）Positioned at negative metal spring leaf（1）Right side, and run through plastic shell（4）, the cathode metal spring leaf（2）
Stitch and circuit board（3）Welding.
4. a kind of liquid level sensor being exclusively used in small pipeline according to claim 1, it is characterised in that：The plastic shell
（4）Left-hand face be equipped with outlet hole, the conducting wire（6）With circuit board（3）Welding, the conducting wire（6）Across outlet hole.
5. a kind of liquid level sensor being exclusively used in small pipeline according to claim 1, it is characterised in that：The negative metal
Spring leaf（1）With cathode metal spring leaf（2）Folder away from for 2-12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721349927.1U CN207816402U (en) | 2017-10-18 | 2017-10-18 | A kind of liquid level sensor being exclusively used in small pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721349927.1U CN207816402U (en) | 2017-10-18 | 2017-10-18 | A kind of liquid level sensor being exclusively used in small pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207816402U true CN207816402U (en) | 2018-09-04 |
Family
ID=63336913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721349927.1U Active CN207816402U (en) | 2017-10-18 | 2017-10-18 | A kind of liquid level sensor being exclusively used in small pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207816402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579022A (en) * | 2020-05-21 | 2020-08-25 | 广东电网有限责任公司 | Low water level alarm device for fire pool |
-
2017
- 2017-10-18 CN CN201721349927.1U patent/CN207816402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579022A (en) * | 2020-05-21 | 2020-08-25 | 广东电网有限责任公司 | Low water level alarm device for fire pool |
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