CN205538833U - Ultrasonic wave formula oxygen concentration sensor - Google Patents
Ultrasonic wave formula oxygen concentration sensor Download PDFInfo
- Publication number
- CN205538833U CN205538833U CN201620146835.2U CN201620146835U CN205538833U CN 205538833 U CN205538833 U CN 205538833U CN 201620146835 U CN201620146835 U CN 201620146835U CN 205538833 U CN205538833 U CN 205538833U
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- oxygen concentration
- rubber sleeve
- concentration sensor
- type oxygen
- ultrasonic
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Abstract
The utility model discloses an ultrasonic wave formula oxygen concentration sensor, which comprises a housin, rubber sleeve and ultrasonic vibrator, the casing has closed passage, and has a closed surface, the last interface that is provided with of closed passage, the rubber sleeve suit is outside ultrasonic vibrator, and fix the suit together in closed passage with ultrasonic vibrator, and ultrasonic vibrator one end is supported and is depended on closed surface, it is equipped with the inner shell body still to fix the cover between rubber sleeve and the casing, be provided with the pore channel between interior casing and the rubber sleeve, closed passage intercommunication interface is passed through to pore channel one end, the other end communicates to closed surface. The utility model discloses in still press from both sides between rubber sleeve and casing and be equipped with interior casing, be provided with the pore channel in in addition between casing and the rubber sleeve to can guide high pressure oxygen along this hole channel flow, avoid the one -way oppression ultrasonic vibrator of high pressure oxygen, guarantee that ultrasonic vibrator's position is stable, improve oxygen concentration's test stability and precision.
Description
Technical field
This utility model relates generally to oxygen concentration sensor, in particular to a kind of ultrasonic type oxygen concentration sensor.
Background technology
At present, a lot of environment are required for measuring oxygen concentration, and various oxygen concentration sensors also arise at the historic moment.Wherein, the application of ultrasonic type oxygen concentration sensor is relatively broad.The ultrasonic type oxygen concentration sensor of prior art, when measuring the oxygen concentration under high pressure conditions, because the unidirectional pressurized of ultrasonic oscillator, its position can change so that relatively large deviation occurs in the test result of sensor, has a strong impact on certainty of measurement.Therefore it provides a kind of ultrasonic type oxygen concentration sensor, ultrasonic oscillator therein position in test process is stable, will not be affected by oxygen pressure, thus improve measuring accuracy, has become as the target that industry is badly in need of reaching.
Utility model content
A main purpose of the present utility model is to overcome at least one defect of above-mentioned prior art, there is provided a kind of ultrasonic oscillator position in test process reliable and stable, will not be affected by oxygen pressure, thus be improved the ultrasonic type oxygen concentration sensor of measuring accuracy.
For realizing above-mentioned utility model purpose, this utility model adopts the following technical scheme that
According to an aspect of the present utility model, provide a kind of ultrasonic type oxygen concentration sensor, including housing, rubber sleeve and ultrasonic oscillator, described housing has closed channel, and there is sealing surface, it is provided with interface on described closed channel, described rubber sleeve is set in outside described ultrasonic oscillator, and in fixed cover is loaded on described closed channel together with described ultrasonic oscillator, and described ultrasonic oscillator one end is against described sealing surface, fixed cover is gone back equipped with inner housing between described rubber sleeve and described housing, it is provided with pore channel between described inner housing and described rubber sleeve, described pore channel one end connects described interface by described closed channel, the other end is communicated to described sealing surface.
According to an embodiment of the present utility model, described closed channel includes elongated hole portion and concave part, the section size of described concave part is more than the section size in described elongated hole portion, described interface is arranged at described elongated hole portion, and described ultrasonic oscillator, described rubber sleeve and described inner housing may be contained within described concave part.
According to an embodiment of the present utility model, described concave part one end is described sealing surface, the other end has step surface, described inner housing one end is against described sealing surface, the other end is against described step surface, described rubber sleeve and described ultrasonic oscillator one end have gap against described sealing surface, the other end and described step surface.
According to an embodiment of the present utility model, described pore channel is the bar shape trench hole along the axial elongated setting of described inner housing, the outer peripheral face of the corresponding described rubber sleeve of the slotting position of described bar shape trench hole.
According to an embodiment of the present utility model, described pore channel is uniformly laid along described inner housing inner peripheral surface.
According to an embodiment of the present utility model, described sealing surface includes top cover and fluid sealant, and described fluid sealant is arranged at inside described top cover.
According to an embodiment of the present utility model, described rubber sleeve is barrel-like structure, is only oriented towards a side opening of described interface.
According to an embodiment of the present utility model, described inner housing is barrel-like structure, is only oriented towards a side opening of described interface.
According to an embodiment of the present utility model, the bucket inner bottom part of described inner housing is provided with projection, and described projection leans the drum head outer wall of described rubber sleeve so that have gap between drum head outer wall and the drum head inwall of described inner housing of described rubber sleeve.
According to an embodiment of the present utility model, the drum head of described inner housing and described rubber sleeve is provided with through hole.
According to an embodiment of the present utility model, described interface, described ultrasonic oscillator, described rubber sleeve and described inner housing are two, and are symmetrical set.
According to an embodiment of the present utility model, described hull outside is provided with mounting structure, and described mounting structure is centrally located.
As shown from the above technical solution, the advantage of ultrasonic type oxygen concentration sensor of the present utility model and having the active effect that
This utility model is also folded with between rubber sleeve and housing inner housing, and between inner housing and rubber sleeve, it is provided with pore channel, thus bootable high pressure oxygen flows along this pore channel, avoid high pressure oxygen unidirectional compressing ultrasonic oscillator, ensure that the position of ultrasonic oscillator is stable, improve measuring stability and the precision of oxygen concentration.
Accompanying drawing explanation
By being considered in conjunction with the accompanying the following detailed description to preferred embodiment of the present utility model, various targets of the present utility model, feature and advantage will become apparent from.Accompanying drawing is only exemplary diagram of the present utility model, is not necessarily drawn to scale.In the accompanying drawings, same reference represents same or similar parts all the time.Wherein:
Fig. 1 is the structural representation according to a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.
Fig. 2 is the partial enlargement structural representation according to a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.
Fig. 3 is according to the main TV structure schematic diagram of rubber sleeve in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.
Fig. 4 is according to the section view regulating effect schematic diagram of rubber sleeve in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.
Fig. 5 is according to the main TV structure schematic diagram of inner housing in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.
Fig. 6 is according to the sectional structure schematic diagram of inner housing in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.
Fig. 7 is according to inner housing, rubber sleeve and the perspective view of ultrasonic oscillator assembling in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.
Fig. 8 is according to inner housing, rubber sleeve and the sectional structure schematic diagram of ultrasonic oscillator assembling in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.
Wherein, description of reference numerals is as follows:
1, housing；2, ultrasonic oscillator；3, rubber sleeve；4, inner housing；5, top cover；6, fluid sealant；10, closed channel；11, elongated hole portion；12, concave part；13, interface；14, mounting structure；31, through hole；41, pore channel；42, projection；43, through hole.
Detailed description of the invention
It is described more fully with example embodiment referring now to accompanying drawing.But, example embodiment can be implemented in a variety of forms, and is not understood as limited to embodiment set forth herein；On the contrary, it is provided that these embodiments make this utility model will fully and completely, and the design of example embodiment is conveyed to those skilled in the art all sidedly.Reference identical in figure represents same or similar structure, thus will omit their detailed description.
To in description below different examples of the present utility model, carrying out referring to the drawings, described accompanying drawing forms a part of the present utility model, and shows different example arrangement, system and the step that can realize many aspects of the present utility model the most by way of example.It should be understood that, it is possible to use other specified scheme of parts, structure, exemplary means, system and step, and structural and functional amendment can be carried out in the case of without departing from this utility model scope.And, although this specification can use term " top ", " bottom ", " anterior ", " rear portion ", " sidepiece " etc. describe different example feature of the present utility model and element, but these terms are with in this article merely for convenient, the most with reference to the accompanying drawings described in the direction of example.Any content in this specification is not necessarily to be construed that the specific three dimensional direction of Structure of need just falls in the range of this utility model.
See shown in Fig. 1 and Fig. 2, Fig. 1 is the structural representation according to a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments, and Fig. 2 is the partial enlargement structural representation according to a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.This ultrasonic type oxygen concentration sensor includes housing 1, ultrasonic oscillator 2, rubber sleeve 3 and inner housing 4.This utility model by setting up for by the pore channel 41 of oxygen in ultrasonic oscillator 2 periphery, thus avoids the unidirectional ultrasonic oscillator 2 that applies pressure to of oxygen, improves the measuring stability of ultrasonic oscillator 2.The most only by a specific embodiment, this utility model is launched explanation, but herein below is not intended to limit protection domain of the present utility model.
In this embodiment, housing 1 has closed channel 10, and this closed channel 10 is used for passing through oxygen.In this embodiment, closed channel 10 includes elongated hole portion 11 and concave part 12, the section size of concave part 12 is more than the section size in elongated hole portion 11, and this section size had both included that inside dimension also included external dimensions, and therefore concave part 12 is that elongated hole portion 11 joint part forms step surface.In this embodiment, being provided with and communicated with two interfaces 13 in elongated hole portion 11, with in order to be passed through oxygen to be measured to closed channel 10, this two interface 13 is symmetrical, and relatively close concave part 12.In this embodiment, the end of two concave parts 12 is all closed by top cover 5, and arranges fluid sealant 6 in top cover 5 medial wall, to form sealing surface.In this embodiment, being additionally provided with mounting structure 14 on housing 1, to facilitate of the present utility model installing and using, this mounting structure 14 is centrally located.
In this embodiment, ultrasonic oscillator 2 is two, is installed in housing 1, is particularly located in concave part 12, and connects interface 13 by closed channel 10, with the oxygen concentration of test input.The concrete structure of this ultrasonic oscillator 2, non-emphasis of the present utility model, do not repeat them here.
In this embodiment, shown in structural reference Fig. 3 and Fig. 4 of rubber sleeve 3, Fig. 3 is according to the main TV structure schematic diagram of rubber sleeve in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments, and Fig. 4 is according to the section view regulating effect schematic diagram of rubber sleeve in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.In this embodiment, rubber sleeve 3 is used for being set with ultrasonic oscillator 2, and rubber sleeve 3 is barrel-like structure, is only oriented towards a side opening of interface 13, i.e. towards step surface, is installed in concave part 12 together with ultrasonic oscillator 2.In this embodiment, the drum head of rubber sleeve 3 is additionally provided with through hole 31.
In this embodiment, shown in structural reference Fig. 5 and Fig. 6 of inner housing 4, Fig. 5 is according to the main TV structure schematic diagram of inner housing in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments, and Fig. 6 is according to the sectional structure schematic diagram of inner housing in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.Inner housing 4 is used for being set with rubber sleeve 3 and ultrasonic oscillator 2, and is installed in concave part 12 together with suit rubber sleeve 3 and ultrasonic oscillator 2.In this embodiment, inner housing 4 is barrel-like structure, is only oriented towards a side opening of interface 13, i.e. consistent, all towards step surface with rubber sleeve 3 opening direction.
In this embodiment, the circumferential inner wall of inner housing 4 being machined with the bar shape trench hole 41 along the axial elongated setting of inner housing, the outer peripheral face of the slotting position correspondence rubber sleeve 3 of bar shape trench hole 41, to form pore channel.And, in this embodiment, pore channel has four, uniformly lays along inner housing 4 inner peripheral surface.In this embodiment, the bucket inner bottom part of inner housing 4 is provided with projection 42, and projection 42 leans the drum head outer wall of rubber sleeve 3 so that have gap between drum head outer wall and the drum head inwall of inner housing 4 of rubber sleeve 3.And, in this embodiment, the bottom of inner housing 4 is provided with through hole 43.
In this embodiment, the assembling of inner housing 4, rubber sleeve 3 and ultrasonic oscillator 2 is as shown in Figure 7 and Figure 8.Fig. 7 is according to inner housing, rubber sleeve and the perspective view of ultrasonic oscillator assembling in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments, and Fig. 8 is according to inner housing, rubber sleeve and the sectional structure schematic diagram of ultrasonic oscillator assembling in a kind of ultrasonic type oxygen concentration sensor shown in an illustrative embodiments.The sealing surface that the drum head of inner housing 4 is formed against top cover 5 and fluid sealant 6, opening is against step surface, the drum head of rubber sleeve 3 passes through the drum head of inner housing 4 against sealing surface, ultrasonic oscillator 2 one end against sealing surface, has gap between rubber sleeve 3 and the other end of ultrasonic oscillator 2 and step surface by the drum head of rubber sleeve 3 and inner housing 4.And, it being provided with pore channel 41 between inner housing 4 and rubber sleeve 3, pore channel 41 connects interface 13 by closed channel.
From above-described embodiment, the advantage of ultrasonic type oxygen concentration sensor of the present utility model and having the active effect that
This utility model is also folded with between rubber sleeve 3 and housing 1 inner housing 4, and between inner housing 4 and rubber sleeve 3, it is provided with pore channel 41, thus bootable high pressure oxygen flows along this pore channel 41, avoid high pressure oxygen unidirectional compressing ultrasonic oscillator 2, ensure that the position of ultrasonic oscillator 2 is stable, improve measuring stability and the precision of oxygen concentration.
Preferred embodiment formulas more of the present utility model have been illustrated above in association with accompanying drawing.This utility model person of an ordinary skill in the technical field should be appreciated that what the concrete structure shown in above-mentioned detailed description of the invention part and technical process were merely exemplary, and nonrestrictive.And, various technical characteristics the above shown can be combined constituting new technical scheme by this utility model person of an ordinary skill in the technical field according to various possible modes, or carry out other to change, and broadly fall within the scope of this utility model.
Claims (12)
1. a ultrasonic type oxygen concentration sensor, including housing, rubber sleeve and ultrasonic oscillator, institute
State housing and there is closed channel, and there is sealing surface, described closed channel is provided with interface, described rubber
Gum cover is set in outside described ultrasonic oscillator, and fixed cover is loaded on described together with described ultrasonic oscillator
In closed channel, and described ultrasonic oscillator one end is against described sealing surface, it is characterised in that described rubber
Go back fixed cover between gum cover and described housing equipped with inner housing, set between described inner housing and described rubber sleeve
Being equipped with pore channel, described pore channel one end connects described interface, the other end by described closed channel
It is communicated to described sealing surface.
2. ultrasonic type oxygen concentration sensor as claimed in claim 1, it is characterised in that described envelope
Closed walk includes elongated hole portion and concave part, and the section size of described concave part is more than the section in described elongated hole portion
Size, described interface is arranged at described elongated hole portion, described ultrasonic oscillator, described rubber sleeve and described in
Housing may be contained within described concave part.
3. ultrasonic type oxygen concentration sensor as claimed in claim 2, it is characterised in that described recessed
One end, groove portion is described sealing surface, and the other end has step surface, and described inner housing one end is against described closing
Face, the other end is against described step surface, described rubber sleeve and described ultrasonic oscillator one end against described envelope
Closing face, the other end and described step surface have gap.
4. ultrasonic type oxygen concentration sensor as claimed in claim 1, it is characterised in that described hole
Gap passage is the bar shape trench hole along the axial elongated setting of described inner housing, the slotting position of described bar shape trench hole
The outer peripheral face of corresponding described rubber sleeve.
5. ultrasonic type oxygen concentration sensor as claimed in claim 4, it is characterised in that described hole
Gap passage is uniformly laid along described inner housing inner peripheral surface.
6. ultrasonic type oxygen concentration sensor as claimed in claim 1, it is characterised in that described envelope
The face of closing includes top cover and fluid sealant, and described fluid sealant is arranged at inside described top cover.
7. ultrasonic type oxygen concentration sensor as claimed in claim 1, it is characterised in that described rubber
Gum cover is barrel-like structure, is only oriented towards a side opening of described interface.
8. ultrasonic type oxygen concentration sensor as claimed in claim 7, it is characterised in that in described
Housing is barrel-like structure, is only oriented towards a side opening of described interface.
9. ultrasonic type oxygen concentration sensor as claimed in claim 8, it is characterised in that in described
The bucket inner bottom part of housing is provided with projection, and described projection leans the drum head outer wall of described rubber sleeve so that institute
State, between the drum head outer wall of rubber sleeve and the drum head inwall of described inner housing, there is gap.
10. ultrasonic type oxygen concentration sensor as claimed in claim 9, it is characterised in that described
It is provided with through hole on the drum head of inner housing and described rubber sleeve.
The 11. ultrasonic type oxygen concentration sensors as described in claim 1-10 is arbitrary, it is characterised in that
Described interface, described ultrasonic oscillator, described rubber sleeve and described inner housing are two, and left and right is right
Claim to arrange.
12. ultrasonic type oxygen concentration sensors as claimed in claim 10, it is characterised in that described
Hull outside is provided with mounting structure, and described mounting structure is centrally located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620146835.2U CN205538833U (en) | 2016-02-26 | 2016-02-26 | Ultrasonic wave formula oxygen concentration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620146835.2U CN205538833U (en) | 2016-02-26 | 2016-02-26 | Ultrasonic wave formula oxygen concentration sensor |
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| Publication Number | Publication Date |
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| CN205538833U true CN205538833U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620146835.2U Active CN205538833U (en) | 2016-02-26 | 2016-02-26 | Ultrasonic wave formula oxygen concentration sensor |
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| CN (1) | CN205538833U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596717A (en) * | 2016-12-27 | 2017-04-26 | 东莞正扬电子机械有限公司 | Ultrasonic concentration detector and liquid level sensor with ultrasonic concentration detection function |
| CN116429230A (en) * | 2023-04-06 | 2023-07-14 | 重庆交通大学 | Sound-insulation vibration-isolation protection device for assisting precise measurement of low-frequency micro-vibration sensor |
-
2016
- 2016-02-26 CN CN201620146835.2U patent/CN205538833U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596717A (en) * | 2016-12-27 | 2017-04-26 | 东莞正扬电子机械有限公司 | Ultrasonic concentration detector and liquid level sensor with ultrasonic concentration detection function |
| WO2018121403A1 (en) * | 2016-12-27 | 2018-07-05 | 东莞正扬电子机械有限公司 | Ultrasonic concentration detector and liquid characteristic detector |
| US10634543B2 (en) | 2016-12-27 | 2020-04-28 | Dongguan Zhengyang Electronic Mechanical Co., Ltd. | Ultrasonic concentration detector and liquid feature detector |
| CN106596717B (en) * | 2016-12-27 | 2023-07-04 | 广东正扬传感科技股份有限公司 | Ultrasonic concentration detector and liquid level sensor with ultrasonic concentration detection function |
| CN116429230A (en) * | 2023-04-06 | 2023-07-14 | 重庆交通大学 | Sound-insulation vibration-isolation protection device for assisting precise measurement of low-frequency micro-vibration sensor |
| CN116429230B (en) * | 2023-04-06 | 2024-02-02 | 重庆交通大学 | Sound-insulation vibration-isolation protection device for assisting precise measurement of low-frequency micro-vibration sensor |
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| C14 | Grant of patent or utility model | ||
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