CN213187033U - Anti-interference ammonia gas sensor - Google Patents
Anti-interference ammonia gas sensor Download PDFInfo
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- CN213187033U CN213187033U CN202022396750.9U CN202022396750U CN213187033U CN 213187033 U CN213187033 U CN 213187033U CN 202022396750 U CN202022396750 U CN 202022396750U CN 213187033 U CN213187033 U CN 213187033U
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- protection casing
- fixedly connected
- ammonia gas
- gas sensor
- sensor body
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Abstract
The utility model discloses an anti-interference type ammonia sensor belongs to ammonia sensor technical field, including mounting panel and ammonia sensor body, ammonia sensor body fixed mounting is at the top of mounting panel, the top fixedly connected with protection casing of mounting panel, ammonia sensor body is located the inside of protection casing, the top fixed mounting of mounting panel has the wave filter, the wave filter is located the left side of ammonia sensor body. The utility model discloses a, the baffle can prevent that the air from not just gushing into the protection casing through the venthole through the refrigeration inside, thereby the air after the refrigeration then can sink and get into the inside temperature step-down that makes of protection casing through the venthole, when in the protection casing with ammonia sensor body temperature when being normal, liquid mercury returns the normal position and makes first sheetmetal and second sheetmetal separation, semiconductor refrigeration piece and radiator fan stop work, the not good problem of ammonia sensor high temperature radiating effect in the past has been solved.
Description
Technical Field
The utility model relates to an ammonia sensor technical field, more specifically say, relate to an anti-interference type ammonia sensor.
Background
With the continuous improvement of living standard and the increasing attention of society to environmental quality, people increasingly need to detect various toxic and harmful gases, and the monitoring of air pollution and industrial waste gas puts high requirements on gas sensors, for example, in the treatment of automobile exhaust, ammonia gas is discharged when the treatment is not complete, so that the application of ammonia gas sensors is needed.
Traditional ammonia sensor when using, when carrying out electric connection with external power supply, there is the work of radio wave interference ammonia sensor, cause the testing result inaccurate, ammonia sensor is carrying out the during operation moreover, and ammonia sensor itself can give off the heat, and the heat can not give off immediately, and the heat is amassed and can burn out electric elements in ammonia sensor inside, therefore the professional in this field provides an anti-interference type ammonia sensor, has solved the problem that above-mentioned background art mentioned.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide an anti-interference type ammonia sensor possesses the good advantage of radiating effect, has solved the problem that above-mentioned background art mentioned.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
An anti-interference ammonia gas sensor comprises a mounting plate and an ammonia gas sensor body, wherein the ammonia gas sensor body is fixedly mounted at the top of the mounting plate, the top of the mounting plate is fixedly connected with a protective shell, the ammonia gas sensor body is positioned in the protective shell, the top of the mounting plate is fixedly provided with a filter, the filter is positioned on the left side of the ammonia gas sensor body, the top of the protective shell is fixedly provided with a cooling fan, the cooling fan is positioned at the top of the ammonia gas sensor body, a refrigeration box is fixed on the left side wall of the protective shell, a semiconductor refrigeration sheet is fixedly connected on the left side wall of the refrigeration box, the left end of the semiconductor refrigeration sheet penetrates through and extends to the left side of the protective shell, the left side of the protective shell is provided with an air inlet communicated with the interior of the refrigeration box, the, the venthole has been seted up on the right side of refrigeration case, the venthole is located the bottom of semiconductor refrigeration piece, fixedly connected with graduated flask on the right side wall of protection casing, the inside packing of graduated flask has liquid mercury, the inside of graduated flask is provided with the floater, the floater is located the top of liquid mercury, the top fixedly connected with floating plate of floater, the first sheetmetal of top fixedly connected with of floating plate, semiconductor refrigeration piece and radiator fan all with first sheetmetal electric connection, the top fixedly connected with second sheetmetal of graduated flask, fixedly connected with battery on the right side wall of protection casing, electric connection between battery and the second sheetmetal, the monitoring hole has been seted up to the bottom on protection casing right side.
Preferably, the top of protection casing articulates there is the lid door, the right side at lid door top is provided with fixing bolt, fixing bolt's bottom is run through the lid door and threaded connection is on the right side at protection casing top, radiator fan fixed mounting is on the lid door.
Preferably, two sliding grooves are formed in the inner wall of the measuring cylinder, sliding strips are connected to the inner portions of the two sliding grooves in a sliding mode, and one sides, opposite to the sliding strips, of the two sliding strips are fixedly connected to the left side and the right side of the floating plate respectively.
Preferably, the right side wall of the refrigeration box is fixedly connected with a partition plate, and the front view graph of the partition plate inclines towards the left from top to bottom.
Preferably, the left side of the protection shell is fixedly connected with a heat conducting cover, and the heat conducting cover is located on the left side of the semiconductor refrigeration piece.
Preferably, the inner wall of the monitoring hole is fixedly connected with a dustproof filter screen.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) when the ammonia gas sensor body is required to be used for ammonia gas detection, the filter is electrified to work, the filter enables the ammonia gas sensor body to only receive one electric wave, other electric waves are filtered out to achieve the anti-interference effect, after the ammonia gas sensor body continuously works, heat cannot be timely dissipated to enable the temperature of the inner wall of the protective shell to continuously rise, liquid mercury in the measuring cylinder is heated to expand, the floating ball continuously rises in the measuring cylinder, the floating plate above the floating ball rises along with the floating plate, the sliding strip also moves upwards in the sliding groove at the moment, friction between the floating plate and the inner wall of the measuring cylinder can be reduced due to the matching use between the sliding strip and the sliding groove, the moving direction of the floating plate can be limited, the floating plate is prevented from inclining in the moving process, when the first metal sheet is in contact with the second metal sheet, the radiating fan and the semiconductor refrigerating sheet can be electrified to work, radiator fan blows the outside air of protection casing to ammonia sensor body surface earlier and dispels the heat, outside air passes through the inlet port and gets into the refrigeration incasement portion, contact the semiconductor refrigeration piece along the baffle after that and begin to refrigerate, the setting up of baffle can make the air get into the semiconductor refrigeration piece of quick contact behind the refrigeration case and refrigerate, prevent that the air from not just gushing into the protection casing through the venthole through refrigeration inside, the air after the refrigeration then can sink and get into the inside temperature step-down that makes the protection casing through the venthole, when in the protection casing with ammonia sensor body temperature normal time, liquid mercury returns the normal position and makes first sheetmetal and second sheetmetal separation, refrigeration piece and radiator fan stop work, the problem of ammonia sensor high temperature radiating effect not good in the past has been solved.
(2) This scheme, when needs overhaul ammonia sensor body, can rotate fixing bolt, make fixing bolt break away from the overhead door, can open the overhead door and overhaul protection casing inside.
(3) According to the scheme, when the floating plate above the floating ball rises, the sliding strip also moves upwards in the sliding groove, friction between the floating plate and the inner wall of the measuring cylinder can be reduced due to cooperation between the sliding strip and the sliding groove, the moving direction of the floating plate can be limited, and the floating plate is prevented from inclining in the moving process.
(4) This scheme, outside air begins to refrigerate along the baffle contacts semiconductor refrigeration piece, and the setting of baffle can make the air get into the semiconductor refrigeration piece of quick contact behind the refrigeration case and refrigerate, prevents that the air from not surging through the venthole just through refrigeration inside the protection casing.
(5) This scheme, the one end that is in the protection casing outside when semiconductor refrigeration piece during operation just can produce a large amount of heats, and setting up of heat conduction cover can make the heat give off fast, can prevent simultaneously that the left end that the mistake touched the semiconductor refrigeration piece from causing the scald.
(6) This scheme, dustproof filter screen can prevent that dust or winged insect from passing through inside the monitoring hole gets into the protection casing to this normal operating of guaranteeing the ammonia sensor body prevents that the dust from influencing the internal component of ammonia sensor body.
Drawings
Fig. 1 is a schematic front view of the three-dimensional structure of the present invention;
fig. 2 is a schematic front view of the cross-sectional structure of the present invention;
fig. 3 is an enlarged structural schematic diagram of a position a in fig. 2 of the present invention.
The reference numbers in the figures illustrate:
1. mounting a plate; 2. an ammonia gas sensor body; 3. a protective housing; 4. a filter; 5. a heat radiation fan; 6. a refrigeration case; 7. a semiconductor refrigeration sheet; 8. an air inlet; 9. an air outlet; 10. A measuring cylinder; 11. liquid mercury; 12. a floating ball; 13. a floating plate; 14. a first metal sheet; 15. A second metal sheet; 16. a storage battery; 17. a monitoring hole; 18. covering the door; 19. fixing the bolt; 20. a chute; 21. a slide bar; 22. a partition plate; 23. a heat conducting cover; 24. dustproof filter screen.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, an anti-interference ammonia gas sensor comprises a mounting plate 1 and an ammonia gas sensor body 2, wherein the ammonia gas sensor body 2 is fixedly mounted on the top of the mounting plate 1, the top of the mounting plate 1 is fixedly connected with a protective shell 3, the ammonia gas sensor body 2 is positioned inside the protective shell 3, the top of the mounting plate 1 is fixedly mounted with a filter 4, the filter 4 is positioned on the left side of the ammonia gas sensor body 2, the top of the protective shell 3 is fixedly mounted with a cooling fan 5, the cooling fan 5 is positioned on the top of the ammonia gas sensor body 2, a refrigeration box 6 is fixed on the left side wall of the protective shell 3, a semiconductor refrigeration sheet 7 is fixedly connected on the left side wall of the refrigeration box 6, the left end of the semiconductor refrigeration sheet 7 penetrates through and extends to the left side of the protective shell 3, an air inlet 8 communicated, the air inlet hole 8 is positioned at the top of the semiconductor refrigerating sheet 7, the right side of the refrigerating box 6 is provided with an air outlet hole 9, the air outlet hole 9 is positioned at the bottom of the semiconductor refrigerating sheet 7, the right side wall of the protective shell 3 is fixedly connected with a measuring cylinder 10, the inside of the measuring cylinder 10 is filled with liquid mercury 11, the inside of the measuring cylinder 10 is provided with a floating ball 12, the floating ball 12 is positioned at the top of the liquid mercury 11, the top of the floating ball 12 is fixedly connected with a floating plate 13, the top of the floating plate 13 is fixedly connected with a first metal sheet 14, the semiconductor refrigerating sheet 7 and the cooling fan 5 are both electrically connected with the first metal sheet 14, the top of the measuring cylinder 10 is fixedly connected with a second metal sheet 15, the right side wall of the protective shell 3 is fixedly connected with a storage battery 16, the storage battery 16 is electrically connected with the second metal sheet 15, the bottom of the right side of, firstly, the filter 4 is electrified to work, the filter 4 enables the ammonia gas sensor body 2 to only receive one type of electric wave, other electric waves are filtered out to achieve the anti-interference effect, after the ammonia gas sensor body 2 continuously works, heat cannot be timely dissipated to enable the temperature of the inner wall of the protective shell 3 to continuously rise, at the moment, the liquid mercury 11 in the measuring cylinder 10 is heated to expand, the floating ball 12 continuously rises in the measuring cylinder 10, the floating plate 13 above the floating ball 12 also rises, the sliding strip 21 also moves upwards in the sliding groove 20, the friction between the floating plate 13 and the inner wall of the measuring cylinder 10 can be reduced due to the matching use between the sliding strip 21 and the sliding groove 20, the moving direction of the floating plate 13 can be limited, the floating plate 13 is prevented from inclining in the moving process, and when the first metal sheet 14 is in contact with the second metal sheet 15, the heat radiation fan 5 and the semiconductor refrigerating sheet 7 can be electrified to work, the heat radiation fan 5 firstly blows the air outside the protective shell 3 to the surface of the ammonia sensor body 2 for heat radiation, the outside air enters the refrigeration box 6 through the air inlet hole 8, then the air contacts the semiconductor refrigerating sheet 7 along the partition plate 22 to start refrigeration, the arrangement of the partition plate 22 can lead the air to quickly contact the semiconductor refrigerating sheet 7 for refrigeration after entering the refrigerating box 6, prevent the air from flowing into the protective shell 3 through the air outlet hole 9 without refrigeration, lead the refrigerated air to sink and enter the protective shell 3 through the air outlet hole 9, thus leading the temperature inside the protective shell 3 to become lower, when the temperature of the inside of the protection shell 3 and the ammonia gas sensor body 2 is normal, the liquid mercury 11 returns to the original position to separate the first metal sheet 14 from the second metal sheet 15, the semiconductor refrigeration sheet 7 and the cooling fan 5 stop working, and the problem that the heat dissipation effect of the past ammonia gas sensor is poor due to overhigh temperature is solved.
Further, the top of protection casing 3 articulates there is the flap 18, the right side at flap 18 top is provided with fixing bolt 19, fixing bolt 19's bottom runs through flap 18 and threaded connection on the right side at protection casing 3 top, 5 fixed mounting of radiator fan on flap 18, when needs overhaul ammonia sensor body 2, can rotate fixing bolt 19, make fixing bolt 19 break away from flap 18, can open flap 18 and overhaul protection casing 3 inside.
Furthermore, two sliding grooves 20 are formed in the inner wall of the measuring cylinder 10, sliding strips 21 are connected to the inner portions of the two sliding grooves 20 in a sliding mode, one opposite sides of the two sliding strips 21 are fixedly connected to the left side and the right side of the floating plate 13 respectively, when the floating plate 13 above the floating ball 12 rises, the sliding strips 21 also move upwards in the sliding grooves 20, friction between the floating plate 13 and the inner wall of the measuring cylinder 10 can be reduced due to the matching use of the sliding strips 21 and the sliding grooves 20, the moving direction of the floating plate 13 can be limited at the same time, and the floating plate 13 is prevented from inclining in the moving process.
Further, fixedly connected with baffle 22 on the right side wall of refrigeration case 6, the front view figure of baffle 22 from top to bottom towards left side slope, and outside air begins to refrigerate along baffle 22 contact semiconductor refrigeration piece 7, and baffle 22's setting can make the air get into and refrigerate 6 back quick contact semiconductor refrigeration piece 7, prevents that the air from not surging into protection casing 3 inside through venthole 9 through refrigeration.
Further, the left side fixedly connected with heat conduction cover 23 of protection casing 3, heat conduction cover 23 are located the left side of semiconductor refrigeration piece 7, and the one end that is in the 3 outsides of protection casing when 7 during operation of semiconductor refrigeration pieces just can produce a large amount of heats, and the setting of heat conduction cover 23 can make the heat give off fast, can prevent simultaneously that the left end that the mistake touched semiconductor refrigeration piece 7 from causing the scald.
Further, fixedly connected with dustproof filter screen 24 on the inner wall of monitoring hole 17, dustproof filter screen 24 can prevent that dust or winged insect from getting into inside the protection casing 3 through monitoring hole 17 to this normal operating of guaranteeing ammonia sensor body 2 prevents that the dust from influencing the internal component of ammonia sensor body 2.
In the scheme, the type of the filter 4 can be DAA 1-3A; the heat dissipation fan 5 may be model 1232 ABHL.
The working principle is as follows: when the ammonia gas sensor body 2 is required to be used for ammonia gas detection, firstly, the filter 4 is electrified to work, the filter 4 enables the ammonia gas sensor body 2 to only receive one electric wave, other electric waves are filtered out to achieve the anti-interference effect, after the ammonia gas sensor body 2 continuously works, heat cannot be timely dissipated to enable the temperature of the inner wall of the protective shell 3 to continuously rise, at the moment, the liquid mercury 11 in the measuring cylinder 10 is heated to expand, the floating ball 12 continuously rises in the measuring cylinder 10, the floating plate 13 above the floating ball 12 also rises, at the moment, the sliding strip 21 also moves upwards in the sliding groove 20, when the first metal sheet 14 is contacted with the second metal sheet 15, the cooling fan 5 and the semiconductor cooling sheet 7 are electrified to work, the cooling fan 5 firstly blows air outside the protective shell 3 to the surface of the ammonia gas sensor body 2 to dissipate heat, and outside air enters the cooling box 6 through the air inlet 8, then, the semiconductor refrigerating sheet 7 is contacted with the partition plate 22 to start refrigeration, the refrigerated air can sink to enter the protective shell 3 through the air outlet 9, so that the temperature inside the protective shell 3 becomes low, when the temperature inside the protective shell 3 and the ammonia gas sensor body 2 is normal, the liquid mercury 11 returns to the original position to separate the first metal sheet 14 from the second metal sheet 15, the semiconductor refrigerating sheet 7 and the cooling fan 5 stop working, and the problem that the heat dissipation effect is poor due to the fact that the temperature of the ammonia gas sensor is too high in the past is solved.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides an anti-interference type ammonia sensor, includes mounting panel (1) and ammonia sensor body (2), its characterized in that: ammonia gas sensor body (2) fixed mounting is at the top of mounting panel (1), the top fixedly connected with protection casing (3) of mounting panel (1), ammonia gas sensor body (2) are located the inside of protection casing (3), the top fixed mounting of mounting panel (1) has wave filter (4), wave filter (4) are located the left side of ammonia gas sensor body (2), the top fixed mounting of protection casing (3) has radiator fan (5), radiator fan (5) are located the top of ammonia gas sensor body (2), be fixed with refrigeration case (6) on the left side wall of protection casing (3), fixedly connected with semiconductor refrigeration piece (7) on refrigeration case (6) left side wall, the left end of semiconductor refrigeration piece (7) runs through and extends to the left side of protection casing (3), inlet port (8) that are linked together with refrigeration case (6) inside are seted up in the left side of protection casing (3) The air inlet holes (8) are located at the top of the semiconductor refrigeration piece (7), air outlet holes (9) are formed in the right side of the refrigeration box (6), the air outlet holes (9) are located at the bottom of the semiconductor refrigeration piece (7), a measuring cylinder (10) is fixedly connected to the right side wall of the protection shell (3), liquid mercury (11) is filled in the measuring cylinder (10), a floating ball (12) is arranged in the measuring cylinder (10), the floating ball (12) is located at the top of the liquid mercury (11), a floating plate (13) is fixedly connected to the top of the floating ball (12), a first metal sheet (14) is fixedly connected to the top of the floating plate (13), the semiconductor refrigeration piece (7) and the cooling fan (5) are both electrically connected with the first metal sheet (14), and a second metal sheet (15) is fixedly connected to the top of the measuring cylinder (10), fixedly connected with battery (16) on the right side wall of protection casing (3), electric connection between battery (16) and second sheetmetal (15), monitoring hole (17) have been seted up to the bottom on protection casing (3) right side.
2. The anti-interference ammonia gas sensor according to claim 1, wherein: the top of protection casing (3) articulates there is lid door (18), the right side at lid door (18) top is provided with fixing bolt (19), the bottom of fixing bolt (19) runs through lid door (18) and threaded connection on the right side at protection casing (3) top, radiator fan (5) fixed mounting is on lid door (18).
3. The anti-interference ammonia gas sensor according to claim 1, wherein: two sliding grooves (20) are formed in the inner wall of the measuring cylinder (10), sliding strips (21) are connected to the inner portions of the two sliding grooves (20) in a sliding mode, and one sides, opposite to the sliding strips (21), of the two sliding strips are fixedly connected to the left side and the right side of the floating plate (13) respectively.
4. The anti-interference ammonia gas sensor according to claim 1, wherein: fixedly connected with baffle (22) on the right side wall of refrigeration case (6), the elevation figure of baffle (22) from top to bottom inclines towards the left side.
5. The anti-interference ammonia gas sensor according to claim 1, wherein: the left side fixedly connected with heat conduction cover (23) of protection casing (3), heat conduction cover (23) are located the left side of semiconductor refrigeration piece (7).
6. The anti-interference ammonia gas sensor according to claim 1, wherein: and the inner wall of the monitoring hole (17) is fixedly connected with a dustproof filter screen (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022396750.9U CN213187033U (en) | 2020-10-26 | 2020-10-26 | Anti-interference ammonia gas sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022396750.9U CN213187033U (en) | 2020-10-26 | 2020-10-26 | Anti-interference ammonia gas sensor |
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| CN213187033U true CN213187033U (en) | 2021-05-11 |
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| CN202022396750.9U Active CN213187033U (en) | 2020-10-26 | 2020-10-26 | Anti-interference ammonia gas sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113301756A (en) * | 2021-06-07 | 2021-08-24 | 国网黑龙江省电力有限公司供电服务中心 | High and cold area electric energy meter data acquisition signal intensifier |
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2020
- 2020-10-26 CN CN202022396750.9U patent/CN213187033U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113301756A (en) * | 2021-06-07 | 2021-08-24 | 国网黑龙江省电力有限公司供电服务中心 | High and cold area electric energy meter data acquisition signal intensifier |
| CN113301756B (en) * | 2021-06-07 | 2022-11-01 | 国网黑龙江省电力有限公司供电服务中心 | High and cold area electric energy meter data acquisition signal intensifier |
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