CN214668890U - Limited space environment detection device and limited space ventilation device - Google Patents
Limited space environment detection device and limited space ventilation device Download PDFInfo
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- CN214668890U CN214668890U CN202120243048.0U CN202120243048U CN214668890U CN 214668890 U CN214668890 U CN 214668890U CN 202120243048 U CN202120243048 U CN 202120243048U CN 214668890 U CN214668890 U CN 214668890U
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- limited space
- exhaust fan
- blower
- ventilation
- fixedly connected
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- 238000009423 ventilation Methods 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 19
- 230000000007 visual effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims 3
- 239000007789 gas Substances 0.000 abstract description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 9
- 239000001301 oxygen Substances 0.000 abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
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- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of limited space operation, in particular to a limited space environment detection device and a limited space ventilation device, wherein the limited space environment detection device comprises an exhaust fan, a gas detector and a collection cover; the latter includes a blower, a ventilation hood and a limited space environment detection device. The exhaust fan is provided with the collecting cover, so that discharged gas can pass through the mounting holes, the accuracy of gas detection is improved, the safety risk of operation in a limited space is reduced by arranging the gas detector, the exhaust fan can be arranged at the outlet position of the limited space with different specifications by arranging the supporting rod, and the application range of the exhaust fan is enlarged; the air feeder is arranged in the air feeder, fresh air can be input into the limited space, the concentration of dangerous gas in the limited space is reduced, operators can safely operate in the limited space, the ventilation cover is arranged, oxygen can be directly introduced into the limited space, the ventilation time is reduced, the use is convenient, and the air feeder has the advantages of being safe, labor-saving, simple, convenient and efficient.
Description
Technical Field
The utility model relates to a finite space operation technical field is a finite space environment detection device and finite space ventilation unit.
Background
With the continuous development of national economy, the operation opportunities of limited space in various industries are gradually increased, the limited space refers to closed or partially closed space, an entrance and an exit are narrow and limited, the limited space is not designed to be a fixed working place, natural ventilation is poor, toxic, harmful, flammable and explosive substances are easy to accumulate or the oxygen content is insufficient, the limited space operation refers to operation activities carried out when operators enter the limited space, the limited space working place generally contains gases such as hydrogen sulfide, carbon monoxide, carbon dioxide, ammonia, methane (methane) and hydrogen cyanide, and the suffocation gas mainly comprising hydrogen sulfide and carbon monoxide is particularly prominent. Common limited space operations are: a cleaning slurry tank, a sedimentation tank, a brewing tank, a retting tank, a sewer, a manure storage pit, a cellar and the like. Operating in these confined space locations, if ventilation is poor, combined with a high concentration of asphyxiating gases, this can result in a reduction in the oxygen content of the air. When the oxygen content in the air is reduced to below 16 percent, people can generate anoxia symptoms; when the oxygen content is reduced to below 10 percent, the consciousness disorder can occur to different degrees, even death can occur; sudden death may occur when the oxygen content falls below 6%. The number of casualty accidents of limited space operation is increased year by year, poisoning, suffocation and flash explosion accidents occur frequently, the existing limited space operation ventilation equipment tightly pumps internal gas through an exhaust fan, the efficiency is low, the application range is narrow, and the safety of the working environment in a limited space cannot be predicted.
Disclosure of Invention
The utility model provides a limited space environment detection device and limited space ventilation unit has overcome above-mentioned prior art not enough, and it can effectively solve the ventilation efficiency rate that current limited space operation exists and hang down, and application scope is narrow and can not carry out the problem of prediction to the operational environment's in the limited space security.
One of the technical schemes of the utility model is realized through following measures: the utility model provides a limited space environment detection device, includes exhaust fan, gaseous detector and collects the cover, and the sealed fixedly connected with of output of exhaust fan collects the cover, collects the mounting hole that the cover was equipped with inside and outside intercommunication for the decurrent shell structure of opening and upper end central authorities, and the test end of gaseous detector is installed in the mounting hole, and the exhaust fan outside has a plurality of telescopic bracing piece along circumference interval equipartition.
The following is a further optimization or/and improvement of one of the above technical solutions of the present invention:
the exhaust fan can be an axial flow fan, and an upper sealing cover is fixedly connected to the outer side of the exhaust fan corresponding to the position above the supporting rod in a sealing mode.
One end of the support rod, far away from the exhaust fan, can be fixedly connected with a first fixing ring, and one side of the upper sealing cover, far away from the exhaust fan, is fixedly connected with a first hanging buckle detachably mounted together with the first fixing ring in a corresponding position.
The terminal surface all can be equipped with the last mounting groove that the opening is decurrent under the above-mentioned exhaust fan that corresponds every bracing piece position, and the bracing piece is close to the articulated installation of the one end of exhaust fan in the last mounting groove that corresponds the position.
The second technical scheme of the utility model is realized through following measure: the utility model provides a limited space ventilation unit includes forced draught blower, draft hood and limited space environment detection device, the sealed fixedly connected with draft hood of input of forced draught blower, and the draft hood is the ascending shell structure of opening and lower extreme central authorities are equipped with the screw of ventilating of inside and outside intercommunication, and the output of forced draught blower is in the same place with the downside demountable installation of exhaust fan.
The following is further optimization or/and improvement of the second technical scheme of the utility model:
the air feeder can be an axial flow fan, a plurality of supporting legs which are the same as the supporting rod structures are hinged on the upper side of the air feeder along the circumference at intervals, and a lower mounting groove which is corresponding to the supporting legs and is the same as the upper mounting groove structure is arranged on the upper side of the air feeder.
The one end fixedly connected with second that the forced draught blower was kept away from to above-mentioned supporting leg is solid fixed ring, and the sealed fixedly connected with in the forced draught blower outside that corresponds supporting leg top position seals down the lid, and the equal fixedly connected with in one side of keeping away from the forced draught blower covers the second suspension clasp that second solid fixed ring demountable installation together with corresponding position down.
The gas detector can be provided with an acousto-optic alarm and a first receiving and transmitting antenna, the air feeder is provided with an alarm controller with a second receiving and transmitting antenna, the gas detector is in wireless communication connection with the alarm controller, and the output end of the alarm controller is electrically connected with a motor of the air feeder.
The utility model has reasonable and compact structure and convenient use, the former can lead the discharged gas to pass through the mounting hole through arranging the collecting cover, thereby improving the accuracy of gas detection, reduce the safety risk of operation in the finite space through arranging the gas detector, lead the exhaust fan to be arranged at the exit position of the finite space with different specifications through arranging the supporting rod, and enlarge the application range of the utility model; the air feeder is arranged in the air feeder, fresh air can be input into the limited space, the concentration of dangerous gas in the limited space is reduced, operators can safely work in the limited space, the ventilation cover is arranged, oxygen can be directly introduced into the limited space, the ventilation time is reduced, and the air feeder has the advantages of being safe, labor-saving, simple, convenient and efficient.
Drawings
Fig. 1 is a schematic sectional view of a first embodiment of the present invention.
Fig. 2 is a schematic sectional view of a main view of an embodiment of the present invention.
Fig. 3 is a circuit block diagram of a second embodiment of the present invention.
The codes in the figures are respectively: 1 is the exhaust fan, 2 is the gas detector, 3 is the collection cover, 4 is the bracing piece, 5 is the sealed lid of going up, 6 is first solid fixed ring, 7 is first suspension clasp, 8 is the forced draught blower, 9 is the draft hood, 10 is the supporting leg, 11 is the sealed lid down, 12 is the solid fixed ring of second, 13 is the second suspension clasp, 14 is the screw of ventilating.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
the first embodiment is as follows: as shown in the attached drawing 1, the limited space environment detection device comprises an exhaust fan 1, a gas detector 2 and a collection cover 3, wherein the output end of the exhaust fan 1 is fixedly connected with the collection cover 3 in a sealing mode, the collection cover 3 is a shell structure with a downward opening, the upper end center of the shell structure is provided with an installation hole communicated with the inside and the outside, a test end of the gas detector 2 is installed in the installation hole, and a plurality of telescopic support rods 4 are uniformly distributed on the outer side of the exhaust fan 1 at intervals in the circumferential direction.
According to requirements, the gas detector 2 is a known technology, such as a gas detector with the model of HD-700, and the support rod 4 is a known technology, such as a stainless steel telescopic rod. In the use, collect cover 3 through setting up, can make the combustion gas all pass through the mounting hole, improve the accuracy of gaseous detection in the finite space, through setting up gas detector 2, be convenient for judge the security of operation in the finite space, reduce the safe risk of operation in the finite space, through setting up bracing piece 4, can make exhaust fan 1 install the exit position in the finite space of different specifications, increase the utility model discloses an application range, the utility model discloses rational in infrastructure and compact, convenient to use has safety, laborsaving, simple and convenient, efficient characteristics.
The device for detecting the limited space environment can be further optimized or/and improved according to actual needs:
as shown in fig. 1, the exhaust fan 1 is an axial flow fan, and an upper sealing cover 5 is fixedly connected to the outer side of the exhaust fan 1 corresponding to the position above the support rod 4 in a sealing manner.
According to the requirement, the upper sealing cover 5 can be made of the conventional known three-proofing cloth for air pipe flexible connection. In the use, through setting up sealed lid 5, can be when depositing exhaust fan 1 and protect exhaust fan 1, when using, go up sealed lid 5 and can seal the gap between well head and the 1 casing of exhaust fan, prevent that the gas outside the well from getting into the mounting hole and causing measuring error.
As shown in fig. 1, one end of the support rod 4 far away from the exhaust fan 1 is fixedly connected with a first fixing ring 6, and one side of the upper sealing cover 5 far away from the exhaust fan 1 is fixedly connected with a first hanging buckle 7 detachably mounted with the first fixing ring 6 at a corresponding position.
In use, the first sling 7 may be a key buckle as is known in the art. In the use, through such setting, can make upper seal lid 5 fix on bracing piece 4, the clearance between sealed well head inner wall and the exhaust fan 1 casing that can be better prevents that upper seal lid 5 from being inhaled in the exhaust fan 1 input.
As shown in fig. 1, the lower end surface of the exhaust fan 1 corresponding to each support rod 4 is provided with an upper mounting groove with a downward opening, and one end of each support rod 4 close to the exhaust fan 1 is hinged and mounted in the upper mounting groove corresponding to the corresponding position.
In the use, through such setting, can prevent that bracing piece 4 from receiving exhaust fan 1 gravity and being damaged when placing, can prolong the utility model discloses a life can also reduce area, the transportation of being convenient for.
Example two: as shown in fig. 2, the ventilation device for limited space comprises a blower 8, a ventilation hood 9 and a detection device for environment in limited space, wherein the input end of the blower 8 is fixedly connected with the ventilation hood 9 in a sealing way, the ventilation hood 9 is a shell structure with an upward opening, the center of the lower end of the ventilation hood 9 is provided with a ventilation screw hole 14 which is communicated with the inside and the outside, and the output end of the blower 8 is detachably mounted with the lower side of the exhaust fan 1.
According to requirements, the outer side wall of the air blower 8 and the outer side wall of the exhaust fan 1 are detachably mounted together through six well-known stainless steel case buckles which are uniformly distributed at intervals along the circumferential direction. In the use, through setting up forced draught blower 8, can be to inputing the new trend in the finite space, reduce the concentration of hazardous gas in the finite space, make operating personnel get into safe operation in the finite space, through setting up draft hood 9, can the lug connection oxygen device, let in oxygen in to the finite space, reduce ventilation time, improve the operating efficiency, the output of forced draught blower 8 and exhaust fan 1's downside demountable installation are in the same place, the use and the transportation of forced draught blower 8 and exhaust fan 1 of being convenient for, the utility model has the advantages of reasonable and compact structure, convenient to use has safety, laborsaving, simple and convenient, efficient.
The ventilation device for the limited space can be further optimized or/and improved according to actual needs:
as shown in the attached figure 2, the blower 8 is an axial flow fan, a plurality of supporting legs 10 with the same structure as the supporting rod 4 are hinged on the upper side of the blower 8 along the circumference at intervals, and a lower mounting groove which corresponds to the supporting legs 10 and has the same structure as the upper mounting groove is arranged on the upper side of the blower 8.
In the use, through such setting, can prevent that supporting leg 10 from receiving exhaust fan 1 gravity and being damaged when placing, still be convenient for with forced draught blower 8 and exhaust fan 1 demountable installation together, reinforcing stability can prolong the utility model discloses a life.
As shown in fig. 2, one end of the support leg 10 far away from the blower 8 is fixedly connected with a second fixing ring 12, the outer side of the blower 8 corresponding to the position above the support leg 10 is fixedly connected with a lower sealing cover 11 in a sealing manner, and one side of the lower sealing cover 11 far away from the blower 8 is fixedly connected with a second hanging buckle 13 detachably mounted together with the second fixing ring 12 corresponding to the position.
In use, the second clasp 13 may be a key ring as is known in the art. In the use, through such setting, can make lower sealing cover 11 fix on supporting leg 10, the clearance between well head inner wall and the forced draught blower 8 casing that can be better sealed prevents that lower sealing cover 11 from being blown open by the wind of forced draught blower 8 output.
As shown in fig. 3, the gas detector 2 is provided with an audible and visual alarm and a first transceiving antenna, the blower 8 is provided with an alarm controller provided with a second transceiving antenna, the gas detector 2 is in wireless communication connection with the alarm controller, and the output end of the alarm controller is electrically connected with the motor of the blower 8.
The gas detector 2 is a wireless gas alarm device of the type GT-1021-W, the audible and visual alarm device is a fire audible and visual alarm device of the type SG-100, and the alarm controller is a wireless gas alarm controller of the type GC-3010. In the use process, through the arrangement, when the gas detector 2 detects a dangerous gas source, the alarm controller controls the blower 8 to deliver fresh air into the limited space, so that the operation requirement in the limited space is met.
Above technical feature constitutes the utility model discloses an embodiment, it has stronger adaptability and implements the effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (8)
1. The utility model provides a limited space environment detection device, its characterized in that includes exhaust fan, gaseous detector and collects the cover, and the sealed fixedly connected with of output of exhaust fan collects the cover, collects the cover and is equipped with the mounting hole of inside and outside intercommunication for opening decurrent shell structure and upper end central authorities, and the test end of gaseous detector is installed in the mounting hole, and the exhaust fan outside has a plurality of telescopic bracing piece along circumference interval equipartition.
2. The environmental detection device of claim 1, wherein the exhaust fan is an axial fan, and an upper sealing cover is fixedly and hermetically connected to an outer side of the exhaust fan corresponding to a position above the support rod.
3. The environmental detection apparatus for a limited space according to claim 2, wherein a first fixing ring is fixedly connected to an end of the support rod away from the exhaust fan, and a first hanging buckle detachably mounted with the first fixing ring at a corresponding position is fixedly connected to a side of the upper sealing cover away from the exhaust fan.
4. The environmental detecting device of claim 1, 2 or 3, wherein the lower end surface of the exhaust fan corresponding to each support rod is provided with an upper mounting groove with a downward opening, and one end of the support rod close to the exhaust fan is hinged and mounted in the upper mounting groove corresponding to the corresponding position.
5. A ventilation device for a limited space using the device for detecting the environment of a limited space according to any one of claims 1 to 4, comprising a blower, a ventilation hood and the device for detecting the environment of a limited space, wherein the input end of the blower is fixedly connected with the ventilation hood in a sealing manner, the ventilation hood is of a shell structure with an upward opening, the center of the lower end of the ventilation hood is provided with a ventilation screw hole which is communicated with the inside and the outside, and the output end of the blower is detachably mounted with the lower side of the exhaust fan.
6. A ventilation device for a limited space according to claim 5, wherein the air blower is an axial flow fan, a plurality of support legs having the same structure as the support bar are hinge-mounted at intervals along the circumference on the upper side of the air blower, and a lower mounting groove having the same structure as the upper mounting groove and corresponding to the support legs is provided on the upper side of the air blower.
7. The ventilation device for a limited space according to claim 6, wherein a second fixing ring is fixedly connected to one end of the supporting leg far from the blower, a lower sealing cover is fixedly and hermetically connected to the outside of the blower at a position corresponding to the upper position of the supporting leg, and a second hanging buckle detachably mounted with the second fixing ring at a corresponding position is fixedly connected to one side of the lower sealing cover far from the blower.
8. A ventilation device for a limited space according to claim 5, 6 or 7, characterized in that the gas detector is provided with an audible and visual alarm and a first transmitting and receiving antenna, the blower is provided with an alarm controller provided with a second transmitting and receiving antenna, the gas detector is in wireless communication connection with the alarm controller, and the output end of the alarm controller is electrically connected with the motor of the blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120243048.0U CN214668890U (en) | 2021-01-28 | 2021-01-28 | Limited space environment detection device and limited space ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120243048.0U CN214668890U (en) | 2021-01-28 | 2021-01-28 | Limited space environment detection device and limited space ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214668890U true CN214668890U (en) | 2021-11-09 |
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ID=78520286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120243048.0U Active CN214668890U (en) | 2021-01-28 | 2021-01-28 | Limited space environment detection device and limited space ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214668890U (en) |
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2021
- 2021-01-28 CN CN202120243048.0U patent/CN214668890U/en active Active
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