CN204944683U - A kind of sensor guard cover - Google Patents
A kind of sensor guard cover Download PDFInfo
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- CN204944683U CN204944683U CN201520729121.XU CN201520729121U CN204944683U CN 204944683 U CN204944683 U CN 204944683U CN 201520729121 U CN201520729121 U CN 201520729121U CN 204944683 U CN204944683 U CN 204944683U
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Abstract
The utility model discloses a kind of sensor guard cover, relate to detection technique field.Described sensor guard cover comprises upper cover, housing, drainage lid and lower cover, and wherein, described casing center is provided with through hole, and the sidewall of housing is provided with second inlet hole and the tap hole of tested air-flow; Described drainage covers the first inlet hole being provided with tested air-flow; Described upper cover is connected with the two ends of described housing respectively with described lower cover, described drainage lid is connected with the sidewall of described housing, tested air-flow enters the second inlet hole in described housing sidewall through the first inlet hole that described drainage covers, then the center of described housing is arrived, the center of upper cover is provided with through hole, and described through hole is used for through survey sensor.The utility model has the advantage of: in actual use, sensor can directly put into tested air-flow together with sensor guard cover of the present utility model, and sensor guard cover can prevent the direct shock transducer of high velocity air, and measurement result is more authentic and valid.
Description
Technical field
The utility model relates to detection technique field, particularly relates to a kind of sensor guard cover.
Background technology
In some practical implementation, need to carry out moisture measurement to air-flow in test environment.Tested air-flow is gas, liquid admixture, and Liquid water content is large, and when adopting Temperature Humidity Sensor directly to measure, detector probe is vulnerable to liquid water mitigation, thus the accuracy affecting measurement result even makes measurement result distortion; When the flow velocity of tested air-flow is very fast, the impact that Temperature Humidity Sensor detector probe is also easily subject to high velocity air causes measurement result inefficacy even to affect sensor life-time.
For above environment, the measuring method of current use is drawn by air-flow in test environment to measure again, this measuring method cannot ensure the followability of detected gas flow temperature, cannot avoid in measuring process because aqueous water enters the accuracy affecting measurement result in tested air-flow, the method is by the restriction of bleed air system, test macro etc., this measuring method repeatability is poor, and error is larger.
Utility model content
The purpose of this utility model is to provide a kind of sensor guard cover, to solve in existing background technology the problem at least one place existed.
The technical solution of the utility model is: provide a kind of sensor guard cover, comprises upper cover, housing, drainage lid and lower cover, and wherein, described casing center is provided with through hole, and the sidewall of described housing is provided with second inlet hole and the tap hole of tested air-flow; Described drainage covers the first inlet hole being provided with tested air-flow; Described upper cover is connected with the two ends of described housing respectively with described lower cover, described drainage lid is connected with the sidewall of described housing, tested air-flow enters the second inlet hole in described housing sidewall through the first inlet hole that described drainage covers, then the center of described housing is arrived, the center of upper cover is provided with through hole, and described through hole is used for through survey sensor.
Preferably, after the assembling of described sensor guard cover, be parallel to the cross section of both ends of the surface for oval.
Preferably, the through hole that the center of described housing is arranged is parallel to the cross section of described housing end face for oval.
Preferably, the gas flow in described housing sidewall portals and is arranged symmetrically with.
Preferably, the side wall inner surfaces of described housing is symmetrically arranged with arc groove.
Preferably, the cross section of described drainage lid is " V " shape, and described first inlet hole is arranged in the bottom of V-arrangement.
Preferably, O-ring seal is provided with in the through hole that the center of described upper cover is arranged.
Preferably, the end face of described second inlet hole on hull outside face is provided with boss.
The utility model has the advantage of: sensor guard of the present utility model cover put into by sensor, in actual use, sensor can directly put into tested air-flow together with sensor guard cover of the present utility model, sensor guard cover can prevent the direct shock transducer of high velocity air, and measurement result is more authentic and valid.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of sensor guard of the present utility model cover and sensor;
Fig. 2 is the installation sectional view of the sensor guard cover shown in Fig. 1 and sensor;
Fig. 3 is the cut-open view of the housing shown in Fig. 1;
Fig. 4 is the sectional view of the housing shown in Fig. 1;
Fig. 5 is the schematic diagram of the drainage lid shown in Fig. 1.
Wherein: 1-sensor, 2-upper cover, 3-housing, 4-tap hole, 5-O-ring seal, 6-drainage lid, 7-first inlet hole, 8-lower cover, 9-second inlet hole, 11-arc groove.
Embodiment
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
As shown in Figures 1 to 5, a kind of sensor guard cover, comprises upper cover 2, housing 3, O-ring seal 5, drainage lid 6 and lower cover 8.
The center of housing 3 is provided with through hole, and through hole is parallel to the cross section of housing 3 two ends end face for oval.The sidewall of housing 3 is provided with 8 gas flows and portals 4, tap hole 4 is symmetrical arranged on the sidewall of housing 3, and every side is furnished with 4, and the diameter of tap hole 4 can set according to actual needs between 1 to 5 millimeter, in the present embodiment, the diameter of tap hole 4 is set to 3mm.
Be understandable that, the quantity of the tap hole 4 on the sidewall of housing 3 can also set according to the difference of sensor size shape.Such as, in an alternative embodiment, the quantity of tap hole 4 is set to one, and the quantity of tap hole 4 is at least provided with one.
Inside surface on the sidewall of housing 3 is provided with arc groove 11, and arc groove 11 is symmetrical arranged on the sidewall of housing 3.In the present embodiment, the quantity of arc groove 11 is provided with 8, and two symmetrical sides of housing 3 were last is provided with 4, and center of arc's line of arc groove 11 overlaps with the center line of housing 3 endoporus.
The advantage arranging arc groove 11 is: the center pit of housing 3 put into by sensor 1, the inside surface close together of the outside surface of sensor and the central through hole of housing 3, arc groove 11 is conducive to tested air-flow passes the arrival tap hole 4 of sensor side from ostium.
The outside surface side of housing 3 is provided with projection, projection is provided with second inlet hole 9, second inlet hole 9 is communicated with central through hole and the outside surface of housing 3.In the present embodiment, the quantity of second inlet hole 9 is set to 4, and between the both ends of the surface being distributed on housing 3.
The end face of second inlet hole 9 on the lateral surface of housing 3 is provided with boss, and boss can avoid aqueous water to enter in housing 3.The aperture of second inlet hole 9 can set between 1 to 8 millimeter, and in the present embodiment, the aperture of second inlet hole 9 is 3 millimeters.
Be understandable that, the quantity of second inlet hole 9 can also according to the size of sensor 1 and specification setting.Such as, in an alternative embodiment, second inlet hole 9 is provided with one, and second inlet hole 9 is at least provided with one.
The cross section being parallel to both ends of the surface of drainage lid 6 is " V " shape, and first inlet hole 7 is arranged in the bottom of V-arrangement.In the present embodiment, the quantity of first inlet hole 7 is set to 5.
Be understandable that, the quantity of first inlet hole 7 can also set according to actual conditions.Such as, in an alternative embodiment, first inlet hole 7 is set to one, and first inlet hole 7 is at least provided with one.The aperture of first inlet hole 7 can set according to actual needs between 1 to 10 millimeter, and in the present embodiment, the aperture of first inlet hole 7 is 2.5 millimeters.
In the present embodiment, the advantage that first inlet hole 7 is set to 5 is: after drainage lid 6 and housing 3 are installed, second inlet hole 9 on the corresponding housing 3 in region between two first inlet hole 7 on drainage lid 6, tested air-flow is after first inlet hole 7 and second inlet hole 9, enter the central through hole of housing 3, because tested air-flow is when by first inlet hole 7 and second inlet hole 9, airflow direction changes, corresponding flow velocity can diminish, after entering the central through hole of housing 3, less to the impact of sensor 1.
Be connected to upper cover 2 and lower cover 3 at the two ends of housing 3, the center of upper cover 2 is provided with through hole, for passing sensor 1.Be provided with O-ring seal 5 in the through hole of the center setting of upper cover 2, O-ring seal 5 can play the effect of fastened sensors 1.
Upper cover 2 is connected with the two ends of housing 3 respectively with lower cover 8, and drainage lid 6 is connected with the sidewall of housing 3, after the assembling of described sensor guard cover, is parallel to the cross section of both ends of the surface for oval.Its advantage is: after the flow field of tested air-flow put into by protective jacket, can not impact air-flow.
Sensor guard cover of the present utility model in actual use, the detection position of sensor 1 is placed in the central through hole of housing 3, tested air-flow enters second inlet hole 9 through first inlet hole 7, because the position of first inlet hole 7 and second inlet hole 8 is alternative arrangement, between first inlet hole 7 and second inlet hole 8, the gaseous state of tested air-flow and aqueous water can be separated, and tested air-flow flows through sensor 1 tap hole 4 on the sidewall of housing 3 flow out.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a sensor guard cover, is characterized in that: comprise upper cover (2), housing (3), drainage lid (6) and lower cover (8), wherein,
Described housing (3) center is provided with through hole, and the sidewall of described housing (3) is provided with second inlet hole (9) and the tap hole (4) of tested air-flow;
Described drainage lid (6) is provided with the first inlet hole (7) of tested air-flow;
Described upper cover (2) is connected with the two ends of described housing (3) respectively with described lower cover (8), described drainage lid (6) is connected with the sidewall of described housing (3), the first inlet hole (7) of tested air-flow on described drainage lid (6) enters the second inlet hole (9) on described housing (3) sidewall, then the center of described housing (3) is arrived, the center of upper cover (2) is provided with through hole, and described through hole is used for through survey sensor.
2. sensor guard cover according to claim 1, is characterized in that: after the assembling of described sensor guard cover, is parallel to the cross section of both ends of the surface for oval.
3. sensor guard cover according to claim 1, is characterized in that: the through hole that the center of described housing (3) is arranged is parallel to the cross section of described housing (3) end face for oval.
4. sensor protective sleeve according to claim 1, is characterized in that: the gas flow on described housing (3) sidewall portal (4) be arranged symmetrically with.
5. sensor protective sleeve according to claim 1, is characterized in that: the side wall inner surfaces of described housing (3) is symmetrically arranged with arc groove (11).
6. sensor protective sleeve according to claim 1, is characterized in that: the cross section of described drainage lid (6) is " V " shape, and described first inlet hole (7) is arranged in the bottom of V-arrangement.
7. sensor protective sleeve according to claim 1, is characterized in that: be provided with O-ring seal (5) in the through hole of the center setting of described upper cover (2).
8. sensor protective sleeve according to claim 1, is characterized in that: the end face of described second inlet hole (9) on housing (3) lateral surface is provided with boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729121.XU CN204944683U (en) | 2015-09-18 | 2015-09-18 | A kind of sensor guard cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729121.XU CN204944683U (en) | 2015-09-18 | 2015-09-18 | A kind of sensor guard cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204944683U true CN204944683U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520729121.XU Active CN204944683U (en) | 2015-09-18 | 2015-09-18 | A kind of sensor guard cover |
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| CN (1) | CN204944683U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831278A (en) * | 2017-12-15 | 2018-03-23 | 山东佳星环保科技有限公司 | A kind of air quality detector |
| CN109398265A (en) * | 2018-11-01 | 2019-03-01 | 百度在线网络技术（北京）有限公司 | Protective device, system and vehicle |
| CN109682485A (en) * | 2019-01-08 | 2019-04-26 | 中国航发沈阳发动机研究所 | Temperature test probe, experimental provision |
| CN112128958A (en) * | 2020-09-27 | 2020-12-25 | 厦门烟草工业有限责任公司 | Air conditioner air duct assembly |
| CN113203315A (en) * | 2021-04-07 | 2021-08-03 | 机械工业第九设计研究院有限公司 | Residual steam clearing device in steam engine pipeline |
| CN114323418A (en) * | 2021-11-17 | 2022-04-12 | 浙江零跑科技股份有限公司 | Multipurpose sensor protector |
-
2015
- 2015-09-18 CN CN201520729121.XU patent/CN204944683U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831278A (en) * | 2017-12-15 | 2018-03-23 | 山东佳星环保科技有限公司 | A kind of air quality detector |
| CN109398265A (en) * | 2018-11-01 | 2019-03-01 | 百度在线网络技术（北京）有限公司 | Protective device, system and vehicle |
| CN109398265B (en) * | 2018-11-01 | 2020-08-04 | 百度在线网络技术（北京）有限公司 | Protection device, system and vehicle |
| CN109682485A (en) * | 2019-01-08 | 2019-04-26 | 中国航发沈阳发动机研究所 | Temperature test probe, experimental provision |
| CN112128958A (en) * | 2020-09-27 | 2020-12-25 | 厦门烟草工业有限责任公司 | Air conditioner air duct assembly |
| CN113203315A (en) * | 2021-04-07 | 2021-08-03 | 机械工业第九设计研究院有限公司 | Residual steam clearing device in steam engine pipeline |
| CN113203315B (en) * | 2021-04-07 | 2022-11-11 | 机械工业第九设计研究院股份有限公司 | Residual steam removing device in steam engine pipeline |
| CN114323418A (en) * | 2021-11-17 | 2022-04-12 | 浙江零跑科技股份有限公司 | Multipurpose sensor protector |
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