CN209372173U - A kind of liquid level sensor of foam-resistant - Google Patents
A kind of liquid level sensor of foam-resistant Download PDFInfo
- Publication number
- CN209372173U CN209372173U CN201920264573.3U CN201920264573U CN209372173U CN 209372173 U CN209372173 U CN 209372173U CN 201920264573 U CN201920264573 U CN 201920264573U CN 209372173 U CN209372173 U CN 209372173U
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- foam
- casing
- annulus block
- resistant
- detecting head
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Abstract
The utility model discloses a kind of liquid level sensors of foam-resistant, including sensor body, hollow sleeve and foam-resistant component, the upper port of casing is equipped with the first annulus block, the inner sidewall of first annulus block is provided with internal screw thread, the sensor body includes detecting head and straight-bar, the detecting head includes shell, the outer wall of shell is machined with external screw thread, the bottom outer wall of shell is integrally formed with the second annulus block, the sensor body is from the upper end of the lower end threading of casing, straight-bar exposes to sleeve upper end, detecting head is threadedly coupled with the first annulus block, the lower end inner wall of casing is fixed with the foam-resistant component for allowing liquid to pass through.For the utility model by the way that detecting head to be packaged in casing, foam-resistant component is arranged in sleeve bottom, can very well completely cut off foam, while liquid can be allowed to contact by foam-resistant component with detecting head, complete level gauging, avoid foam bring level gauging error.
Description
Technical field
The utility model belongs to sensor technical field, more particularly to a kind of liquid level sensor of foam-resistant.
Background technique
Liquid level sensor is a kind of pressure sensor for measuring liquid level, have the advantages that be quick on the draw, measure it is accurate.But
In many water environments, often there are a large amount of bubbles, since the presence of bubble often leads to the inaccurate of level gauging, this for
It needs accurately to control liquid level in certain environment and brings very detrimental effect.
Therefore, the emphasis how to solve the above problems as those skilled in the art's research.
Utility model content
The purpose of this utility model is just to provide a kind of liquid level sensor of foam-resistant, can be fully solved the above-mentioned prior art
Shortcoming.
The purpose of this utility model is realized by following technical proposals:
A kind of liquid level sensor of foam-resistant, including sensor body, casing and foam-resistant component, described sleeve pipe are upper and lower
The hollow tube communicated, integrally formed with the first annulus block, the inner sidewall of the first annulus block is arranged the upper port inner wall of casing
There is internal screw thread, the sensor body includes detecting head and straight-bar, and the detecting head includes shell, and the outer wall of shell is machined with outer
Screw thread, integrally formed with the second annulus block, the outer diameter of the second annulus block matches the bottom outer wall of shell with the internal diameter of casing,
For the sensor body from the upper end of the lower end threading of casing, straight-bar exposes to sleeve upper end, detecting head and the first annulus
Block is threadedly coupled, and the lower surface of the first annulus block is bonded with the upper surface of the second annulus block, and the lower end inner wall of casing is solid
Surely there is the foam-resistant component for allowing liquid to pass through.
Preferably, the foam-resistant component includes step circles column casing, the upper and lower ends opening of step circles column casing is fixed
There is strainer, the cavernous body for stopping foam is clamped between strainer.
Preferably, the foam-resistant component includes upper filter plate and lower filter plate, the upper filter plate and lower filter plate are fixed on set
In pipe, several beades are packed between upper filter plate and lower filter plate.
Preferably, described sleeve pipe is the casing made of PC.
Preferably, the joint place of the first annulus block and the second annulus block is provided with sealing ring.
Compared with prior art, the utility model has the beneficial effects that:
The utility model structure is simple, and rationally, by the way that detecting head to be packaged in casing, sleeve bottom setting is anti-foam for design
Foam component can very well completely cut off foam, while liquid can be allowed to contact by foam-resistant component with detecting head, complete level gauging,
Avoid foam bring level gauging error.
Detailed description of the invention
Fig. 1 is the front view of the utility model；
Fig. 2 is in Fig. 1 along the cross-sectional view in the direction A-A；
Fig. 3 is the structural schematic diagram of foam-resistant component in embodiment two；
Fig. 4 is the structural schematic diagram of three kinds of foam-resistant components of embodiment.
Appended drawing reference: 1- sensor body, 101- detecting head, 102- straight-bar, 2- casing, 3- foam-resistant component, 301- platform
Rank cylindrical drum, 302- strainer, 303- cavernous body, the upper filter plate of 3001-, filter plate under 3002-, 3003- bead, the first annulus of 4- gear
Block, 5- the second annulus block, 6- lock nut, 7- sealing ring.
Specific embodiment
The utility model is further described with attached drawing combined with specific embodiments below.
Embodiment one
As shown in Figure 1 to Figure 2, a kind of liquid level sensor of foam-resistant, including sensor body 1, casing 2 and foam-resistant group
Part 3, casing 2 are the PC hollow tube communicated up and down, and the upper port inner wall of casing 2 is integrally formed with the first annulus block 4, the first circle
The inner sidewall of ring block 4 is machined with internal screw thread, and sensor body 1 includes detecting head 101 and straight-bar 102, and detecting head 101 includes shell
Body, the outer wall of shell are machined with external screw thread, and the bottom outer wall of shell is integrally formed with the second annulus block 5, the second annulus block 5
Outer diameter matched with the internal diameter of casing 2, sensor body 1 is exposed to from the upper end of the lower end threading 2 of casing 2, straight-bar 102
2 upper end of casing, detecting head 101 are threadedly coupled with the first annulus block 4, and the screw thread on the part that detecting head 101 exposes casing
It is connected with lock nut 6, the lower surface of the first annulus block 4 is bonded with the upper surface of the second annulus block 5, corresponding in casing 2
It is machined with seal groove on the inner wall of the lower surface of first annulus block 4 and the upper surface joint place of the second annulus block 5, is sealed
Sealing ring 7 is installed, the lower end inner wall of casing 2 is fixed with the foam-resistant component 3 for allowing liquid to pass through in ring recess.
Detecting head is hermetically encapsulated in casing 2 by the utility model, in use, foam is blocked in set by foam-resistant component 3
Outside pipe 2, liquid completes level gauging, avoids foam to liquid level from contacting in sleeve pipe 2 with detecting head from foam-resistant component 3
The interference of measurement, level gauging are more accurate.
Embodiment two
As shown in Figure 1 to Figure 3, a kind of liquid level sensor of foam-resistant, in embodiment one in addition to all technical characteristics,
Its distinctive points is: the foam-resistant component 3 includes step circles column casing 301, the upper and lower ends opening spiral shell of step circles column casing 301
Nail is fixedly connected with strainer 302, and the cavernous body 303 for stopping foam is clamped between strainer 302.
Embodiment three
As shown in Figure 1, Figure 2 and Figure 4, a kind of liquid level sensor of foam-resistant, except special with technologies all in embodiment one
Sign is outer, and distinctive points are: foam-resistant component 3 includes upper filter plate 3001 and lower filter plate 3002, upper filter plate 3001 and lower filter plate
3002 screws are fixed in casing 2, and several beades 3003 are packed between upper filter plate 3001 and lower filter plate 3002.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of liquid level sensor of foam-resistant, it is characterised in that: including sensor body (1), casing (2) and foam-resistant component
(3), described sleeve pipe (2) is the hollow tube communicated up and down, and the upper port inner wall of casing (2) is integrally formed with the first annulus block
(4), the inner sidewall of the first annulus block (4) is provided with internal screw thread, and the sensor body (1) includes detecting head (101) and straight
Bar (102), the detecting head (101) include shell, and the outer wall of shell is machined with external screw thread, and the bottom outer wall of shell is integrally formed
There is the second annulus block (5), the outer diameter of the second annulus block (5) is matched with the internal diameter of casing (2), the sensor body (1)
From the upper end of the lower end threading (2) of casing (2), straight-bar (102) exposes to casing (2) upper end, detecting head (101) and first
Annulus block (4) is threadedly coupled, and the lower surface of the first annulus block (4) is bonded with the upper surface of the second annulus block (4), casing
(2) lower end inner wall is fixed with the foam-resistant component (3) for allowing liquid to pass through.
2. a kind of liquid level sensor of foam-resistant according to claim 1, it is characterised in that: the foam-resistant component (3)
Including step circles column casing (301), the upper and lower ends opening of step circles column casing (301) is fixed with strainer (302), strainer (302)
Between be clamped with cavernous body (303) for stopping foam.
3. a kind of liquid level sensor of foam-resistant according to claim 1, it is characterised in that: the foam-resistant component (3)
Including upper filter plate (3001) and lower filter plate (3002), the upper filter plate (3001) and lower filter plate (3002) are fixed in casing (2),
Several beades (3003) are packed between upper filter plate (3001) and lower filter plate (3002).
4. a kind of liquid level sensor of foam-resistant according to claim 1, it is characterised in that: described sleeve pipe (2) is by PC
Manufactured casing.
5. a kind of liquid level sensor of foam-resistant according to claim 1, it is characterised in that: the first annulus block
(4) joint place of the second annulus block (5) is provided with sealing ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920264573.3U CN209372173U (en) | 2019-03-03 | 2019-03-03 | A kind of liquid level sensor of foam-resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920264573.3U CN209372173U (en) | 2019-03-03 | 2019-03-03 | A kind of liquid level sensor of foam-resistant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372173U true CN209372173U (en) | 2019-09-10 |
Family
ID=67823871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920264573.3U Active CN209372173U (en) | 2019-03-03 | 2019-03-03 | A kind of liquid level sensor of foam-resistant |
Country Status (1)
| Country | Link |
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| CN (1) | CN209372173U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252141A (en) * | 2021-05-11 | 2021-08-13 | 安徽正刚新能源科技有限公司 | High-pressure liquid sight glass of reliable detection |
| CN113375763A (en) * | 2021-08-12 | 2021-09-10 | 成都辰迈科技有限公司 | Mechanical liquid level alarm device and alarm method |
-
2019
- 2019-03-03 CN CN201920264573.3U patent/CN209372173U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252141A (en) * | 2021-05-11 | 2021-08-13 | 安徽正刚新能源科技有限公司 | High-pressure liquid sight glass of reliable detection |
| CN113375763A (en) * | 2021-08-12 | 2021-09-10 | 成都辰迈科技有限公司 | Mechanical liquid level alarm device and alarm method |
| CN113375763B (en) * | 2021-08-12 | 2021-11-16 | 成都辰迈科技有限公司 | Mechanical liquid level alarm device and alarm method |
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