CN204944523U - A kind of sensor guard cover - Google Patents
A kind of sensor guard cover Download PDFInfo
- Publication number
- CN204944523U CN204944523U CN201520722434.2U CN201520722434U CN204944523U CN 204944523 U CN204944523 U CN 204944523U CN 201520722434 U CN201520722434 U CN 201520722434U CN 204944523 U CN204944523 U CN 204944523U
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- guard cover
- sensor
- sensor guard
- hole
- mounting hole
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Abstract
The utility model discloses a kind of sensor guard cover, relate to detection technique field.Described sensor guard cover, described sensor guard cover (2) comprises leading portion, stage casing and back segment, wherein, described leading portion is provided with sensor mounting hole (14), and described sensor mounting hole (14) extends to the back segment of described sensor guard cover (2); Described stage casing is for connecting airflow line; The back segment of described sensor guard cover (2) is placed in described connection airflow line, and the back segment of described sensor guard cover (2) is provided with air admission hole (9), described air admission hole (9) is communicated with described sensor mounting hole (14).The utility model has the advantage of: sensor guard of the present utility model cover put into by sensor, in actual use, sensor guard cover is connected with test environment cavity, and the air intake opening of sensor guard cover is arranged in tested air-flow, 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, for the protection of the sensor detected in airflow line, described sensor guard cover comprises leading portion, stage casing and back segment, wherein, described leading portion is provided with sensor mounting hole, and described sensor mounting hole extends to the back segment of described sensor guard cover; Described stage casing is for connecting airflow line; The back segment of described sensor guard cover is placed in described connection airflow line, and the back segment of described sensor guard cover is provided with air admission hole, and described air admission hole is communicated with described sensor mounting hole.
Preferably, the leading portion of described sensor guard cover is set to cylindrical, and described sensor mounting hole is arranged on described columniform end face, and described columniform outer circle diameter is to being provided with joint, and described connector center is provided with through hole and is communicated with described sensor mounting hole.
Preferably, the stage casing of described sensor guard cover is set to annular flange, and described annular flange circumference uniform distribution is provided with connecting through hole.
Preferably, the back segment windward side of described sensor guard cover is set to arc surface, and described air admission hole is arranged on the lee face relative with described arc surface.
Preferably, the cylindrical end face of the leading portion of described sensor guard cover is provided with air hole, the axis of described air hole and the axis being parallel of described sensor mounting hole, and is provided with connecting hole between described air hole and described sensor mounting hole.
Preferably, described sensor guard cover comprises plug further, and described plug is arranged on described air hole.
Preferably, described sensor mounting hole is provided with internal thread, and described internal thread is used for connecting sensor.
Preferably, the center of described joint is provided with threaded hole.
Preferably, the back segment of described sensor guard cover is provided with gas-liquid separation ear near air admission hole.
The utility model has the advantage of: sensor guard of the present utility model cover put into by sensor, in actual use, sensor guard cover is connected with test environment cavity, and the air intake opening of sensor guard cover is arranged in tested air-flow, 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 schematic diagram of sensor guard of the present utility model cover;
Fig. 2 is the sectional view of the sensor guard cover shown in Fig. 1;
Fig. 3 is the scheme of installation of the sensor guard cover shown in Fig. 1 and sensor;
Fig. 4 is the sectional view of the sensor guard cover shown in Fig. 1.
Wherein: 1-sensor, 2-sensor guard cover, 3-seals swivel nut, 4-packing washer, 5-joint, 6-joint flange, 7-mount pad, 9-air admission hole, 10-connecting hole, 13-air hole, 14-sensor mounting hole, 15-plug, 16-gas-liquid separation ear.
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 4; a kind of sensor guard cover; for the protection of the sensor detected in airflow line; sensor guard cover 2 comprises leading portion, stage casing and back segment; wherein, leading portion is provided with sensor mounting hole 14, and sensor mounting hole 14 extends to the back segment of sensor guard cover 2; described sensor mounting hole 14 is provided with internal thread, and described internal thread is used for sensor installation 1.
The leading portion of sensor guard cover 2 is set to cylindrical, and sensor mounting hole 14 is arranged on columniform end face, and columniform outer circle diameter is to being provided with joint 5, and joint 5 center is provided with through hole and is communicated with sensor mounting hole 14.
The cylindrical end face of the leading portion of sensor guard cover 2 is also provided with air hole 13, the axis of air hole 13 and the axis being parallel of sensor mounting hole 14, and is provided with connecting hole 10 between described air hole 13 and described sensor mounting hole 14.The openend of air hole 13 is provided with internal thread, and internal thread is for installing plug 15, and plug 15 is for the openend of shutoff air hole 13.
Be understandable that, the openend of air hole 13 can also by welding shutoff.After machining air hole 13, by welding by the openend shutoff of air hole 13.
The stage casing of sensor guard cover 2 is for connecting airflow line, and in the present embodiment, the stage casing of sensor guard cover 2 is set to annular flange, and on described annular flange, circumference uniform distribution is provided with connecting through hole, for being connected with airflow line.
Be understandable that, the stage casing of sensor guard cover 2 can also be set to other form according to actual conditions.Such as, in an alternative embodiment, the stage casing of sensor guard cover 2 is set to square flange.
The back segment of sensor guard cover 2 is placed in and connects in airflow line, the windward side of the back segment of sensor guard cover 2 is set to arc surface, the back segment of sensor guard cover 2 is provided with air admission hole 9, air admission hole 9 is arranged on the lee face relative with described arc surface, and air admission hole 9 is communicated with sensor mounting hole 14.
In the present embodiment, air admission hole 9 is provided with 5, is arranged in order in a row in the first-class spacing of back segment sidewall of sensor guard cover 2.
Be understandable that, the quantity of air admission hole 9 can also set according to actual conditions.Such as, in an alternative embodiment, the quantity of air admission hole 9 is set to one, and the quantity of air admission hole 9 is at least provided with one.When being provided with multiple air admission hole 9, the arrangement mode of air admission hole 9 also can set according to actual conditions, and the tested air-flow that main consideration is entered by air admission hole 9 conveniently contacts with sensor 1.
Connecting hole 10 is provided with between air hole 13 and sensor mounting hole 14.Connecting hole 10 is arranged on the position relative with air admission hole 9.Connecting hole 10 is provided with 2, and the flow summation of all connecting holes 10 within the unit interval should be suitable with the flow summation of all air admission holes 9 within the unit interval.
Joint 5 center is provided with internal thread, and is communicated with air hole 13, and tested air-flow enters the inside of sensor guard cover 2 through air admission hole 9, flows through sensor 1, then flows out through joint 5.
The back segment of sensor guard cover 2 is provided with gas-liquid separation ear 16 near air admission hole 9, and gas-liquid separation ear 16 is separated the aqueous water in tested air-flow, avoids aqueous water enter sensor mounting hole 14 and affect measurement result.
In actual use, sensor protective sleeve 2 is connected with mount pad 7 by annular flange 6, and the back segment of sensor guard cover 2 is arranged in tested air-flow, and air admission hole 9 deviates from the direction of tested air flow direction sensor guard cover 2.Sensor 1 is arranged in sensor mounting hole 14, and is sealed by sealing swivel nut 3, between sealing swivel nut 3 and sensor guard overlap 2, be provided with packing washer 4.
Tested air-flow flows through from one end of sensor guard cover 2, when through gas-liquid separation ear 16, aqueous water in tested air-flow is isolated by gas-liquid separation ear 16, entering from air admission hole 9 air-flow that sensor guard overlaps 2 inside is not containing the air-flow of aqueous water, tested airflow passes sensor 1, then enter air hole 13 from connecting hole 10, the center pit that tested air-flow enters joint 5 from air hole 13 flows 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 (9)
1. a sensor guard cover, for the protection of the sensor detected in airflow line, is characterized in that: described sensor guard cover (2) comprises leading portion, stage casing and back segment, wherein,
Described leading portion is provided with sensor mounting hole (14), and described sensor mounting hole (14) extends to the back segment of described sensor guard cover (2);
Described stage casing is for connecting airflow line;
The back segment of described sensor guard cover (2) is placed in described connection airflow line, and the back segment of described sensor guard cover (2) is provided with air admission hole (9), described air admission hole (9) is communicated with described sensor mounting hole (14).
2. sensor guard cover according to claim 1, it is characterized in that: the leading portion of described sensor guard cover (2) is set to cylindrical, described sensor mounting hole (14) is arranged on described columniform end face, described columniform outer circle diameter is to being provided with joint (5), and described joint (5) center is provided with through hole and is communicated with described sensor mounting hole (14).
3. sensor guard cover according to claim 1, is characterized in that: the stage casing of described sensor guard cover (2) is set to annular flange (6), and described annular flange (6) circumference uniform distribution is provided with connecting through hole.
4. sensor guard cover according to claim 1, is characterized in that: the back segment windward side of described sensor guard cover (2) is set to arc surface, and described air admission hole (9) is arranged on the lee face relative with described arc surface.
5. sensor guard cover according to claim 1, it is characterized in that: the cylindrical end face of the leading portion of described sensor guard cover (2) is provided with air hole (13), the axis of described air hole (13) and the axis being parallel of described sensor mounting hole (14), and be provided with connecting hole (10) between described air hole (13) and described sensor mounting hole (14).
6. sensor guard cover according to claim 4, is characterized in that: described sensor guard cover comprises plug (15) further, and described plug (15) is arranged on described air hole (13).
7. sensor guard cover according to claim 1, is characterized in that: described sensor mounting hole (14) is provided with internal thread, and described internal thread is used for connecting sensor.
8. sensor guard cover according to claim 2, is characterized in that: the center of described joint (5) is provided with threaded hole.
9. sensor guard cover according to claim 4, is characterized in that: the back segment of described sensor guard cover (2) is provided with gas-liquid separation ear (16) near air admission hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520722434.2U CN204944523U (en) | 2015-09-18 | 2015-09-18 | A kind of sensor guard cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520722434.2U CN204944523U (en) | 2015-09-18 | 2015-09-18 | A kind of sensor guard cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204944523U true CN204944523U (en) | 2016-01-06 |
Family
ID=55011939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520722434.2U Active CN204944523U (en) | 2015-09-18 | 2015-09-18 | A kind of sensor guard cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204944523U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052736A (en) * | 2016-07-18 | 2016-10-26 | 西安电子科技大学 | Node protective cover of ZigBee technology environment monitoring system |
| 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 |
| 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 |
-
2015
- 2015-09-18 CN CN201520722434.2U patent/CN204944523U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052736A (en) * | 2016-07-18 | 2016-10-26 | 西安电子科技大学 | Node protective cover of ZigBee technology environment monitoring system |
| CN106052736B (en) * | 2016-07-18 | 2018-06-26 | 西安电子科技大学 | The node protective cover of ZigBee technology environmental monitoring system |
| 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 |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |