CN209043805U - A kind of dissolved oxygen sensor with protective device - Google Patents
A kind of dissolved oxygen sensor with protective device Download PDFInfo
- Publication number
- CN209043805U CN209043805U CN201821497443.6U CN201821497443U CN209043805U CN 209043805 U CN209043805 U CN 209043805U CN 201821497443 U CN201821497443 U CN 201821497443U CN 209043805 U CN209043805 U CN 209043805U
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- China
- Prior art keywords
- lug boss
- dissolved oxygen
- shell
- oxygen sensor
- protective device
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Abstract
The utility model discloses a kind of dissolved oxygen sensors with protective device, including shell, pedestal and several raised ribs；The top of shell is equipped with the through-hole for penetrating through its roof；Pedestal includes substrate plate and the first lug boss；Substrate plate is set in the housing；The bottom of first lug boss is connected with the top of substrate plate, and top section is exposed at outside shell；The top surface of first lug boss is gradual change curved surface, is seamlessly transitted between top surface and side wall by the angle R；Each protrusion rib includes the second lug boss, second lug boss is set to the outside of housing top wall, its orthographic projection shape in shell bottom wall is in be greater than the size of one end far from casing center close to the size of one end of casing center, and the highest point of the second lug boss is higher than the highest point of the first lug boss.The utility model structure is simple, and fluorescent film can be effectively prevent to fall off from dissolved oxygen sensor, has fully ensured that the measurement result accuracy of dissolved oxygen sensor.
Description
Technical field
The utility model belongs to protective device technical field, and in particular to a kind of dissolved oxygen sensor with protective device.
Background technique
The fluorescent film of dissolved oxygen sensor in the prior art is usually all that dissolved oxygen sensing is formed in using coating processes
On the lateral wall of device, the dissolved oxygen sensor manufactured using which in practical applications, usually can because by hydraulic pressure and
The impact of water flow, occur fluorescence film edge tilting the phenomenon that, over time, fluorescent film eventually with dissolved oxygen sensor
It is completely separated, so that the measurement result to dissolved oxygen sensor causes adverse effect.For this reason, it may be necessary to which providing one kind can effectively prevent
The only protective device that fluorescent film falls off from dissolved oxygen sensor, to guarantee the measurement result accuracy of dissolved oxygen sensor.
Utility model content
In view of the above-mentioned problems, structure is simple the utility model proposes a kind of fluorescence method dissolved oxygen sensor, and can have
Effect prevents fluorescent film from falling off from dissolved oxygen sensor, has fully ensured that the measurement result accuracy of dissolved oxygen sensor.
It realizes above-mentioned technical purpose, reaches above-mentioned technical effect, the utility model is achieved through the following technical solutions:
A kind of dissolved oxygen sensor with protective device, including shell, pedestal and several raised ribs；
The top of the shell is equipped with the through-hole for penetrating through its roof；
The pedestal includes substrate plate and the first lug boss；The substrate plate is set in the housing, and cross sectional dimensions is greater than
The cross sectional dimensions of case top through-hole；The bottom of first lug boss is connected with the top of the substrate plate, top
Exceptionally it is exposed at outside shell；The top surface of first lug boss is gradual change curved surface, smooth by the angle R between top surface and side wall
Transition；
Each protrusion rib includes the second lug boss, and second lug boss is set to the outside of housing top wall, in shell
Orthographic projection shape on bottom wall is in the size that the size close to one end of casing center is greater than one end of separate casing center, and
The highest point of second lug boss is higher than the highest point of the first lug boss.
Preferably, the thickness of each raised rib is gradually reduced along casing center to shell rim direction.
Preferably, orthographic projection of the second lug boss in each raised rib in shell bottom wall is in water-drop-shaped.
Preferably, first lug boss is arranged perpendicular to substrate plate.
Preferably, each raised rib further includes mounting portion, and the mounting portion is connected with the second lug boss, is set to shell
On lateral wall.
Preferably, the second lug boss in each rib and mounting portion are integrally formed.
Preferably, each raised rib is spacedly distributed on the lateral wall of shell.
Preferably, the quantity of raised rib is greater than or equal to 3.
Preferably, each raised rib all has identical height；Each protrusion rib is circumferentially distributed on the outside of housing top wall
Shape.
Preferably, the side wall of first lug boss is bonded with the inner wall of case top through-hole.
Compared with prior art, the utility model has the beneficial effects that
The utility model proposes the dissolved oxygen sensor with protective device, pedestal is connected with shell, pedestal " freely
Curved surface " is arranged to edge lower than fluorescent film cap surface, while guaranteeing that at least 1/5 surface at the top of the first lug boss is located at shell
It is interior, make water flow not cause to impact to edge weak spot, can be avoided the tilting damage of the fluorescent film coated in pedestal top surface.
" free form surface " at the top of the pedestal also can effectively prevent bubble and assemble at the center of fluorescent film, to guarantee measurement accuracy
Stability.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of embodiment of the utility model；
Fig. 2 is a kind of enlarged structure schematic diagram of the pedestal of embodiment of the utility model；
Fig. 3 is a kind of raised rib of embodiment of the utility model and the assembly relation schematic diagram of pedestal；
Fig. 4 is a kind of integrally-built top view of embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain that this is practical
It is novel, it is not used to limit the utility model.
The application principle of the utility model is explained in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, providing a kind of dissolved oxygen sensor with protective device, including shell 1, pedestal in the present embodiment
2 and several raised ribs 4；
The top of the shell 1 is equipped with the through-hole 3 for penetrating through its roof；
The pedestal 2 includes substrate plate 201 and the first lug boss 202, and the substrate plate 201 and the first lug boss 202 can
To be to be integrally formed, it is also possible to be connected again after being fabricated separately, goes to select with specific reference to actual needs；The substrate plate 201 is set
In in shell 1, cross sectional dimensions is greater than the cross sectional dimensions of 1 top through-hole 3 of shell, the portion top wall and shell of substrate plate 201
The inner sidewall of the roof of body 1 is bonded；The bottom of first lug boss 202 is connected with the top of the substrate plate 201, top
Part is exposed at outside shell 1, it is preferable that the 4/5 of 202 top of the first lug boss is exposed at outside shell 1, referring specifically in Fig. 2
Dotted line above section；The top surface (alternatively referred to as coating the overlay film face of fluorescent film) of first lug boss 202 is gradual change
Curved surface is seamlessly transitted between top surface and side wall by the angle R, passes through what continuous continual surface blending and edge were arranged
The angle R perfect combination effectively improves right-angle side overlay film in the prior art and is easy the problem of warping, while effectively slowing down water flow pair
The impact in overlay film face can play protection fluorescent film effect not easily to fall off；In the preferred embodiment of the present embodiment, preferably
Ground, first lug boss 202 are arranged perpendicular to substrate plate 201, and 1 top of the side wall of first lug boss 202 and shell
The inner wall of through-hole 3 is bonded, to improve the overall sealing performance of dissolved oxygen sensor；In practical manufacturing process, the pedestal 2 with
It can be using gluing between shell 1；Referring specifically to Fig. 2；
As shown in figure 3, each protrusion rib 4 includes the second lug boss 401, second lug boss 401 is pushed up set on shell 1
The outside of wall, the orthographic projection shape on 1 bottom wall of shell are in that the size close to the one end at 1 center of shell is greater than far from shell
The size of the one end at 1 center, during actual fabrication, can by by the thickness of each raised rib 4 along 1 center of shell extremely
1 edge direction of shell is gradually reduced to be formed, as shown in Figure 1, each protrusion rib 4 is circumferentially distributed shape on the outside of housing top wall；
And second lug boss 401 is higher than the first lug boss 202；I.e. in a kind of specific embodiment of the utility model, such as Fig. 4
Shown, orthographic projection of second lug boss 401 on 1 bottom wall of shell in each protrusion rib 4 is in water-drop-shaped, so that smooth in water flow,
To avoid the bar shaped of high speed water jet impact salient rib at vacuum belt, bubble is caused to be attached to the top surface of the first protrusion, bubble stops
It stays and will affect test result.In the preferred embodiment of the present embodiment, in order to make the dissolved oxygen sensor in the utility model
Fluorescent film is protected and can steadily be placed when placing downward, and the quantity of the protrusion rib 4 is greater than or equal to 3, should not be overstocked,
Each protrusion rib 4 all has identical height, and each raised rib 4 is spacedly distributed on the lateral wall of shell 1.
Since the inventive point of the utility model is the improvement to dissolved oxygen sensor mechanical structure, it is not related to dissolved oxygen
Therefore the improvement of sensor circuit part is not handed over the circuit part of dissolved oxygen sensor, in actual dissolved oxygen
In sensor preparation process, using the circuit of dissolved oxygen sensor in the prior art.
Embodiment 2
Based on inventive concept same as Example 1, the present embodiment the difference from embodiment 1 is that: in the present embodiment
Each protrusion rib 4 further includes mounting portion 402, and the mounting portion 402 is connected with the second lug boss 401, is set to the outside of shell 1
On wall.
In the preferred embodiment of the present embodiment, the second lug boss 401 in each rib 4 and 402 one of mounting portion at
Type.
Rest part is same as Example 1.
In summary:
The utility model proposes the dissolved oxygen sensor with protective device, pedestal is connected with shell, pedestal " freely
Curved surface " is arranged to edge lower than fluorescent film cap surface, while guaranteeing that at least 1/5 surface at the top of the first lug boss is located at shell
It is interior, make water flow not cause to impact to edge weak spot, can be avoided the tilting damage of the fluorescent film coated in pedestal top surface.
" free form surface " at the top of the pedestal also can effectively prevent bubble and assemble at the center of fluorescent film, to guarantee measurement accuracy
Stability.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of dissolved oxygen sensor with protective device, it is characterised in that: including shell, pedestal and several raised ribs；
The top of the shell is equipped with the through-hole for penetrating through its roof；
The pedestal includes substrate plate and the first lug boss；The substrate plate is set in the housing, and cross sectional dimensions is greater than shell
The cross sectional dimensions of top through-hole；The bottom of first lug boss is connected with the top of the substrate plate, outside top section
It is exposed at outside shell；The top surface of first lug boss is gradual change curved surface, smoothed by the angle R between top surface and side wall
It crosses；
Each protrusion rib includes the second lug boss, and second lug boss is set to the outside of housing top wall, in shell bottom wall
On orthographic projection shape be in be greater than the size of one end far from casing center close to the size of one end of casing center, and second
The highest point of lug boss is higher than the highest point of the first lug boss.
2. a kind of dissolved oxygen sensor with protective device according to claim 1, it is characterised in that: each protrusion rib
Thickness is gradually reduced along casing center to shell rim direction.
3. a kind of dissolved oxygen sensor with protective device according to claim 1 or 2, it is characterised in that: each salient rib
Orthographic projection of second lug boss in shell bottom wall in item is in water-drop-shaped.
4. a kind of dissolved oxygen sensor with protective device according to claim 1, it is characterised in that: first protrusion
Portion is arranged perpendicular to substrate plate.
5. a kind of dissolved oxygen sensor with protective device according to claim 1, it is characterised in that: each protrusion rib is also
Including mounting portion, the mounting portion is connected with the second lug boss, is set on the lateral wall of shell.
6. a kind of dissolved oxygen sensor with protective device according to claim 5, it is characterised in that: in each rib
Two lug bosses and mounting portion are integrally formed.
7. a kind of dissolved oxygen sensor with protective device according to claim 1 or 5, it is characterised in that: each salient rib
Item is spacedly distributed on the lateral wall of shell.
8. a kind of dissolved oxygen sensor with protective device according to claim 1 or 5, it is characterised in that: raised rib
Quantity be greater than or equal to 3.
9. a kind of dissolved oxygen sensor with protective device according to claim 1 or 5, it is characterised in that: each salient rib
Item all has identical height；Each protrusion rib is circumferentially distributed shape on the outside of housing top wall.
10. a kind of dissolved oxygen sensor with protective device according to claim 1, it is characterised in that: described first is convex
The side wall in the portion of rising is bonded with the inner wall of case top through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821497443.6U CN209043805U (en) | 2018-09-13 | 2018-09-13 | A kind of dissolved oxygen sensor with protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821497443.6U CN209043805U (en) | 2018-09-13 | 2018-09-13 | A kind of dissolved oxygen sensor with protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043805U true CN209043805U (en) | 2019-06-28 |
Family
ID=67033096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821497443.6U Active CN209043805U (en) | 2018-09-13 | 2018-09-13 | A kind of dissolved oxygen sensor with protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043805U (en) |
-
2018
- 2018-09-13 CN CN201821497443.6U patent/CN209043805U/en active Active
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