CN108387299A - A kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice - Google Patents
A kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice Download PDFInfo
- Publication number
- CN108387299A CN108387299A CN201810515273.8A CN201810515273A CN108387299A CN 108387299 A CN108387299 A CN 108387299A CN 201810515273 A CN201810515273 A CN 201810515273A CN 108387299 A CN108387299 A CN 108387299A
- Authority
- CN
- China
- Prior art keywords
- shell
- shaft shoulder
- discharge orifice
- liquid level
- equal discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 44
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000002459 sustained effect Effects 0.000 claims description 3
- 239000011257 shell material Substances 0.000 claims 25
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/76—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats characterised by the construction of the float
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The present invention relates to a kind of liquid level sensors with the shell shaft shoulder and equal discharge orifice, it includes float body and shell, shell is internally provided with cavity, the bottom of shell is provided with installing port, the shell shaft shoulder coaxial with shell is provided at the top of shell, float body is set in cavity and coaxial with shell, and the float stem of float body upper end is connect after passing through the shaft shoulder with nut.Float is protected by the way that shell is arranged, avoids foreign matter from entering between float body and float stem, while float body also being avoided to be touched with other objects, to improve the acquisition precision of liquid level sensor signal；By the way that the shell shaft shoulder is arranged, the float body that the shell shaft shoulder can make is fixed on the inside of shell and coaxial with shell, the acquisition precision to liquid level sensor signal is avoided to impact；By the upper equal discharge orifice of setting and lower equal discharge orifice, external liquid level can be effectively reduced and swing or lift the influence caused by liquid level sensor signal acquisition precision.
Description
Technical field
The present invention relates to sensor device technical fields, and in particular to a kind of liquid level biography with the shell shaft shoulder and equal discharge orifice
Sensor.
Background technology
At present it is known that tank, which holds the liquid level sensor used in automatic calibration system, mostly uses greatly vertical mounting means, liquid level passes
Sensor has been widely used in the places such as oil depot, gas station and liquefied gas station, but liquid level sensor is deposited in actual use
In problems with：
1, shell and the decentraction of float mandrel or float tilt, and often influence the acquisition precision of liquid level sensor signal.
2, due to there is no shell to protect float, have foreign matter enter between float and float mandrel or float with it is other
When object is touched, the acquisition precision of liquid level sensor signal can be all influenced.
3, due to unshielded measure between liquid level and internal liquid level outside traditional liquid level sensor, external liquid level is swung
Or lifting, it can all influence the acquisition precision of signal.
Invention content
It is existing to solve the purpose of the present invention is to provide a kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice
Liquid level sensor there are the following problems：Since shell and the decentraction of float mandrel or float tilt, foreign matter enters float and floats
Between sub- mandrel or float is touched with other objects, and external liquid level swings or lift the acquisition precision that can all influence signal.
To achieve the above object, the present invention provides a kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice, the band
It includes mandrel, float body and shell to have the liquid level sensor of the shell shaft shoulder and equal discharge orifice, and the shell is cylinder, the shell
Body is internally provided with cavity, and the bottom of the shell is provided with installing port, is provided at the top of the shell and the shell
The coaxial shell shaft shoulder, the float body coaxial sleeve are set to the peripheral surface of the mandrel lower end, and the mandrel is set to described
In cavity and coaxial with the shell, the upper end of the mandrel is connect after the shaft shoulder with nut.
Preferably, the top of the shell is provided at least one equal discharge orifice, and the lower part of the shell is provided at least
Equal discharge orifice under one.
Preferably, the lower part setting of the shell is there are four the lower equal discharge orifice, between the two neighboring lower equal discharge orifice
Angle be 90 °.
Preferably, four lower equal discharge orifices are in sustained height.
Preferably, the material of the shell and the shell shaft shoulder is aluminium alloy.
Preferably, the shell is integrally formed with the shell shaft shoulder.
Preferably, a diameter of 2-6mm of the upper equal discharge orifice and the lower equal discharge orifice.
Preferably, the height of the shell shaft shoulder is more than 3mm.
The invention has the advantages that：
1, float is protected by the way that shell is arranged, avoids foreign matter from entering between float body and float stem, simultaneously
Also float body is avoided to be touched with other objects, to improve the acquisition precision of liquid level sensor signal.
2, by the way that the shell shaft shoulder is arranged, the float body that the shell shaft shoulder can make is fixed on the inside of shell and coaxial with shell,
The acquisition precision to liquid level sensor signal is avoided to impact.
3, by the way that upper equal discharge orifice and lower equal discharge orifice is respectively set with lower part in the upper housing, external liquid level can be effectively reduced
Swing or lift the influence caused by liquid level sensor signal acquisition precision.
Description of the drawings
Fig. 1 is the dimensional structure diagram of inventive shell.
Fig. 2 is the side structure schematic view of inventive shell.
Fig. 3 is the top view cross section structural schematic diagram of inventive shell.
Fig. 4 is the side elevational cross-section structural schematic diagram of liquid level sensor of the present invention with the shell shaft shoulder and equal discharge orifice.
Reference numeral：1, float body；2, shell；3, nut；4, mandrel；5, conducting wire；6, magnetic induction device；7, asphalt mixtures modified by epoxy resin
Fat；8, magnet ring；21, the shell shaft shoulder；22, mandrel；23, upper equal discharge orifice；24, lower equal discharge orifice.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
As shown in Figure 1, 2, 3, should include mandrel 22, float body 1 with the liquid level sensor of the shell shaft shoulder and equal discharge orifice
With shell 2, shell 2 is cylinder, and shell 2 is internally provided with cavity, and the bottom of shell 2 is provided with installing port, the top of shell 2
Portion is provided with the shell shaft shoulder 21, and the shell shaft shoulder 21 is circular metal ring, and the shell shaft shoulder 21 and shell 2 are coaxial, shell 2 and shell axis
The material of shoulder 21 is aluminium alloy, and aluminium alloy has light-weight, an easy to process advantage, but shell 2 and the shell shaft shoulder 21
It's not limited to that for material, and other materials also can be used.In the present embodiment, shell 2 is integrally formed with the shell shaft shoulder 21, in side
Just the manufacturing cost of shell 2 is also reduced while processing.1 coaxial sleeve of float body is set to the peripheral surface of 22 lower end of mandrel, floats
There is certain gap, shell 2 to avoid foreign matter from entering float for protecting float body 1 between 2 inner wall of sub- ontology 1 and shell
Between ontology 1 and mandrel 22, float body 1 is also avoided to be touched with other objects, in addition, shell 2 plays float body 1
Certain cushioning effect is reduced because liquid fluctuating is impacted caused by float, to improving adopting for liquid level sensor signal
Collect precision.Mandrel 22 is in metallic tube-shaped structure, and the peripheral surface of 22 upper end of mandrel is provided with screw thread, mandrel 22 be set in cavity and
Coaxial with shell 2, the upper end of mandrel 22 is connect after the shell shaft shoulder 21 with nut 3.The upper port of mandrel 22 is equipped with conducting wire
5, conducting wire 5 is connect with the magnetic induction device 6 inside mandrel 22, and the inside of mandrel 22 is filled with epoxy resin 7 to magnetic induction device 6
It is fixed and seals.Float body 1 is internally provided with magnet ring 8, can avoid the iron filings impurity absorption in tank on float, to
Improve the acquisition precision of liquid level sensor signal.The shell shaft shoulder 21 can be such that float body 1 is coaxially fixed in cavity, reduce float
Biased error between 2 axis of ontology 1 and shell, avoids the acquisition precision to liquid level sensor signal from impacting, shell axis
The height of shoulder 21 is higher, and the shell shaft shoulder 21 is better to the effect placed in the middle of float body 1, and the height of the shell shaft shoulder 21 is more than 3mm,
The highly preferred item of the present embodiment middle casing shaft shoulder 21 is 5mm, is determined with specific reference to actual needs.
As shown in figure 4, further, in one embodiment of the invention, the top setting of shell 2 is flowed there are two upper
Hole 23, the lower part setting of shell 2 is there are four lower equal discharge orifice 24, and equal discharge orifice 24 is in sustained height under four, under two neighboring
Angle between equal discharge orifice 24 is 90 °, a diameter of 2-8mm of upper equal discharge orifice 23 and lower equal discharge orifice 24, upper in the present embodiment equal
The diameter preference of discharge orifice 23 and lower equal discharge orifice 24 is 6mm.Equal discharge orifice 23 and lower equal discharge orifice 24 can make inside and outside shell 2 in setting
Fluid connection, liquid level rise or liquid level inside and outside shell 2 can be made to be consistent rapidly when dropping, and effectively reduce external liquid level and swing or rise
Drop influence caused by liquid level sensor signal acquisition precision.
Although being above described in detail to the present invention with generality explanation and specific embodiment, at this
On the basis of invention, it can be modified or is improved, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (8)
1. a kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice, the level sensing with the shell shaft shoulder and equal discharge orifice
Device includes mandrel, float body and shell, which is characterized in that the shell is cylinder, and the shell is internally provided with sky
The bottom of chamber, the shell is provided with installing port, and the shell shaft shoulder coaxial with the shell, institute are provided at the top of the shell
State the peripheral surface that float body coaxial sleeve is set to the mandrel lower end, mandrel setting in the cavity and with the shell
Coaxially, the upper end of the mandrel is connect after passing through the shaft shoulder with nut.
2. the liquid level sensor according to claim 1 with the shell shaft shoulder and equal discharge orifice, which is characterized in that the shell
Top be provided at least one equal discharge orifice, the lower part of the shell is provided at least one lower equal discharge orifice.
3. the liquid level sensor according to claim 2 with the shell shaft shoulder and equal discharge orifice, which is characterized in that the shell
Lower part setting there are four the lower equal discharge orifice, the angle between the two neighboring lower equal discharge orifice is 90 °.
4. the liquid level sensor according to claim 3 with the shell shaft shoulder and equal discharge orifice, which is characterized in that described in four
Equal discharge orifice is in sustained height down.
5. the liquid level sensor according to claim 4 with the shell shaft shoulder and equal discharge orifice, which is characterized in that the shell
Material with the shell shaft shoulder is aluminium alloy.
6. the liquid level sensor with the shell shaft shoulder and equal discharge orifice according to claim 3,4 or 5, which is characterized in that institute
Shell is stated to be integrally formed with the shell shaft shoulder.
7. the liquid level sensor according to claim 5 with the shell shaft shoulder and equal discharge orifice, which is characterized in that described equal
A diameter of 2-6mm of discharge orifice and the lower equal discharge orifice.
8. the liquid level sensor according to claim 5 with the shell shaft shoulder and equal discharge orifice, which is characterized in that the shell
The height of the shaft shoulder is more than 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810515273.8A CN108387299A (en) | 2018-05-25 | 2018-05-25 | A kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810515273.8A CN108387299A (en) | 2018-05-25 | 2018-05-25 | A kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108387299A true CN108387299A (en) | 2018-08-10 |
Family
ID=63071172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810515273.8A Pending CN108387299A (en) | 2018-05-25 | 2018-05-25 | A kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108387299A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146142A (en) * | 2019-05-22 | 2019-08-20 | 江阴市华恒仪表有限公司 | A kind of fuel tank level sensor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204422025U (en) * | 2015-01-22 | 2015-06-24 | 上海日立电器有限公司 | Communication type liquid level sensor and there is the compressor of this liquid level sensor |
| CN204944629U (en) * | 2015-09-19 | 2016-01-06 | 中节能（石家庄）环保能源有限公司 | Percolate reaction tank dedicated float formula liquid level gauge |
| CN208155415U (en) * | 2018-05-25 | 2018-11-27 | 河南三绅电子科技有限公司 | A kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice |
-
2018
- 2018-05-25 CN CN201810515273.8A patent/CN108387299A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204422025U (en) * | 2015-01-22 | 2015-06-24 | 上海日立电器有限公司 | Communication type liquid level sensor and there is the compressor of this liquid level sensor |
| CN204944629U (en) * | 2015-09-19 | 2016-01-06 | 中节能（石家庄）环保能源有限公司 | Percolate reaction tank dedicated float formula liquid level gauge |
| CN208155415U (en) * | 2018-05-25 | 2018-11-27 | 河南三绅电子科技有限公司 | A kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146142A (en) * | 2019-05-22 | 2019-08-20 | 江阴市华恒仪表有限公司 | A kind of fuel tank level sensor |
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