CN211124300U - Small-size air detector - Google Patents
Small-size air detector Download PDFInfo
- Publication number
- CN211124300U CN211124300U CN202020008868.7U CN202020008868U CN211124300U CN 211124300 U CN211124300 U CN 211124300U CN 202020008868 U CN202020008868 U CN 202020008868U CN 211124300 U CN211124300 U CN 211124300U
- Authority
- CN
- China
- Prior art keywords
- section
- detector
- air
- gas
- gas collection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 55
- 238000005259 measurement Methods 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses a small-size air detector relates to the air detection field, including the detector, including gas collection section, measurement section and air-out section, the position that the gas collection section is close to the measurement section is equipped with a fan of ventilating, and the position that the measurement section is close to the fan of ventilating is equipped with gas sensitive resistor, and one side that gas sensitive resistor kept away from the fan of ventilating is equipped with the passageway of ventilating, and the passageway of ventilating installs the measurement circuit board outward, and gas sensitive resistor and measurement circuit board pass through connection of electric lines, the passageway of ventilating of air-out section and measurement section is connected. Be equipped with the ventilation fan in the gas collection section, the ventilation fan inhales near the air of gas collection port department of gas collection section to the detector in, when indoor there is smog, the ventilation fan can accelerate the air velocity near the detector for smog can be faster get into in the detector, is detected by gas sensitive resistor, and then sends alarm signal, can be faster like this collect the smog in the air, thereby earlier production alarm signal sends alarm signal's time in advance.
Description
Technical Field
The utility model relates to an air detection field, in particular to small-size air detector.
Background
It is known that many indoor locations are forbidden to smoke for inflammable or other reasons at present, and for fire and smoke prevention, air detectors are arranged in the rooms to detect smoke content in air, and the smoke detectors are usually arranged at the roof of a roof, and smoke needs a certain time to flow to the roof, and the time of flowing to the roof is dispersed, so that the smoke concentration flowing to the roof is not high, and the air detectors may not detect the smoke with high concentration and not generate an alarm signal, thereby some danger information is missed.
The existing air detector is usually arranged on a roof, smoke needs a certain time to float to the roof, and the time of the smoke floating to the roof is dispersed, so that the concentration of the smoke floating to the roof is not high, the air detector may not detect the smoke with high concentration, and the alarm signal is not generated, thereby some dangerous information is missed.
Disclosure of Invention
The utility model aims to provide a: the small air detector solves the problems that the existing air detector is usually arranged on a roof, smoke needs a certain time to float to the roof, the time of the smoke floating to the roof is dispersed, the concentration of the smoke floating to the roof is not high, the air detector cannot detect the smoke with high concentration possibly, an alarm signal is not generated, and some dangerous information is missed.
The utility model adopts the technical scheme as follows:
the small air detector comprises a detector, wherein the detector comprises a gas collection section, a measurement section and an air outlet section, a ventilation fan is arranged at the position, close to the measurement section, of the gas collection section, a gas-sensitive resistor is arranged at the position, close to the ventilation fan, of the measurement section, a ventilation channel is arranged on one side, far away from the ventilation fan, of the gas-sensitive resistor, a measurement circuit board is installed outside the ventilation channel, the gas-sensitive resistor and the measurement circuit board are connected through an electric wire, and the air outlet section is connected with the ventilation channel of the measurement section.
The utility model discloses the air is further collected to the gas collection section that uses the detector, be equipped with the fan of ventilating in the gas collection section, the fan of ventilating inhales near the gas collection port department's of gas collection section near air to the detector in, make the air flow rate in the air channel in the detector accelerate, when indoor there is smog, the fan of ventilating can accelerate near the air flow rate of detector, make in smog can be faster gets into the detector, be detected by gas resistance, and then send alarm signal, like this can be faster collect the smog in the air, thereby earlier production alarm signal sends alarm signal's time in advance.
Furthermore, the section of the gas collection section is gradually enlarged towards the position of the gas collection port of the gas collection section. The gas collection section which is gradually enlarged towards the gas collection port is arranged, so that the gas collection port of the gas collection section is in contact with a larger air surface, the air flow rate of a larger position can be influenced, and an alarm signal can be sent out earlier when smoke exists.
Furthermore, a filter screen A is arranged at the position of a gas collection port of the gas collection section. The filter screen A is used for preventing sundries from entering the detector.
Further, the gas-sensitive resistor is fixed on the vent net. The gas-sensitive resistor is fixed on a ventilation net, and the ventilation net is provided with a plurality of ventilation meshes for air to pass through.
Further, the wire connected with the gas sensitive resistor and the measuring circuit board is arranged on the vent net.
Furthermore, the air outlet port of the air outlet section is provided with a filter screen B.
The filter screen B is arranged at the air outlet port, so that sundries are prevented from entering the detector from the air outlet port of the air outlet section, and the work of the detector is prevented from being influenced.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a small-size air detector when indoor has smog, the fan of ventilating accelerates near the air flow rate of detector for in smog can be faster gets into the detector, detected by gas resistance, and then send alarm signal, the smog in the air of collection that like this can be faster, thereby earlier production alarm signal sends alarm signal's time in advance.
2. The utility model relates to a small-size air detector sets up the gas collection section that gradually enlarges to the gas collection port, can be so that the bigger air face of its gas collection port contact, and then can influence the air flow rate of bigger position, and then can be earlier send alarm signal when having smog.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention;
in the figure, 1-gas collection section, 101-gas collection port, 102-filter screen A, 2-measurement section, 201-ventilation screen, 3-air outlet section, 301-air outlet port, 302-filter screen B, 4-ventilation fan, 5-gas-sensitive resistor, 6-ventilation channel and 7-measurement circuit board.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The present invention will be described in detail with reference to fig. 1.
Example 1
The utility model provides a small-size air detector, as fig. 1, includes the detector, the detector includes gas collection section 1, measurement section 2 and air-out section 3, the position that gas collection section 1 is close to measurement section 2 is equipped with a ventilation fan 4, the position that measurement section 2 is close to ventilation fan 4 is equipped with gas sensitive resistor 5, and one side that ventilation fan 4 was kept away from to gas sensitive resistor 5 is equipped with ventilation channel 6, ventilation channel 6 installs measurement circuit board 7 outward, gas sensitive resistor 5 and measurement circuit board 7 pass through electric wire connection, air-out section 3 and measurement section 2's ventilation channel 6 are connected.
The utility model discloses use gas collection section 1 of detector to further collect the air, be equipped with ventilation fan 4 in the gas collection section 1, ventilation fan 4 inhales near the air of gas collection port 101 department of gas collection section 1 to the detector in, make the air flow rate in the air channel in the detector accelerate, when indoor there is smog, ventilation fan 4 can accelerate near the air flow rate of detector, make in smog can be faster get into the detector, detected by gas sensitive resistance 5, and then send alarm signal, can be faster like this collect the smog in the air, thereby earlier production alarm signal sends alarm signal's time in advance.
Example 2
The utility model provides a small-size air detector, as fig. 1, includes the detector, the detector includes gas collection section 1, measurement section 2 and air-out section 3, the position that gas collection section 1 is close to measurement section 2 is equipped with a ventilation fan 4, the position that measurement section 2 is close to ventilation fan 4 is equipped with gas sensitive resistor 5, and one side that ventilation fan 4 was kept away from to gas sensitive resistor 5 is equipped with ventilation channel 6, ventilation channel 6 installs measurement circuit board 7 outward, gas sensitive resistor 5 and measurement circuit board 7 pass through electric wire connection, air-out section 3 and measurement section 2's ventilation channel 6 are connected. The section of the gas collection section 1 is gradually enlarged towards the position of a gas collection port 101.
The gas collection section 1 gradually enlarged towards the gas collection port 101 is arranged, so that the gas collection port 101 of the gas collection section can be in contact with a larger air surface, the air flow rate of a larger position can be influenced, and an alarm signal can be sent out earlier when smoke exists.
Example 3
In this embodiment, which is a further description of embodiment 2, a filter screen a102 is disposed at a position of the gas collecting port 101 of the gas collecting section 1. Filter A102 is used to prevent debris from entering the detector.
Example 4
The utility model provides a small-size air detector, as fig. 1, includes the detector, the detector includes gas collection section 1, measurement section 2 and air-out section 3, the position that gas collection section 1 is close to measurement section 2 is equipped with a ventilation fan 4, the position that measurement section 2 is close to ventilation fan 4 is equipped with gas sensitive resistor 5, and one side that ventilation fan 4 was kept away from to gas sensitive resistor 5 is equipped with ventilation channel 6, ventilation channel 6 installs measurement circuit board 7 outward, gas sensitive resistor 5 and measurement circuit board 7 pass through electric wire connection, air-out section 3 and measurement section 2's ventilation channel 6 are connected. The gas-sensitive resistor 5 is fixed on the ventilation network 201.
The gas-sensitive resistor 5 is fixed on a ventilation net 201, and the ventilation net 201 is provided with a plurality of ventilation meshes for air to pass through.
Example 5
This embodiment is a further description of embodiment 4, and the electric wires connecting the gas sensor 5 and the measurement circuit board 7 are disposed on the ventilation network 201.
Example 6
The utility model provides a small-size air detector, as fig. 1, includes the detector, the detector includes gas collection section 1, measurement section 2 and air-out section 3, the position that gas collection section 1 is close to measurement section 2 is equipped with a ventilation fan 4, the position that measurement section 2 is close to ventilation fan 4 is equipped with gas sensitive resistor 5, and one side that ventilation fan 4 was kept away from to gas sensitive resistor 5 is equipped with ventilation channel 6, ventilation channel 6 installs measurement circuit board 7 outward, gas sensitive resistor 5 and measurement circuit board 7 pass through electric wire connection, air-out section 3 and measurement section 2's ventilation channel 6 are connected.
And the air outlet port 301 of the air outlet section 3 is provided with a filter screen B302.
The air outlet port 301 is provided with the filter screen B302, so that sundries are prevented from entering the detector from the air outlet port 301 of the air outlet section 3 and affecting the work of the detector.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. A small air detector comprises a detector and is characterized in that: the detector comprises a gas collection section (1), a measurement section (2) and an air outlet section (3), wherein a ventilation fan (4) is arranged at the position, close to the measurement section (2), of the gas collection section (1), a gas sensitive resistor (5) is arranged at the position, close to the ventilation fan (4), of the measurement section (2), a ventilation channel (6) is arranged on one side, far away from the ventilation fan (4), of the gas sensitive resistor (5), a measurement circuit board (7) is installed outside the ventilation channel (6), the gas sensitive resistor (5) and the measurement circuit board (7) are connected through electric wires, and the air outlet section (3) is connected with the ventilation channel (6) of the measurement section (2).
2. A compact air detector as claimed in claim 1, wherein: the section of the gas collection section (1) is gradually enlarged towards the position of a gas collection port (101).
3. A compact air detector as claimed in claim 2, wherein: and a gas collection port (101) of the gas collection section (1) is provided with a filter screen A (102).
4. A compact air detector as claimed in claim 1, wherein: the gas-sensitive resistor (5) is fixed on the ventilation net (201).
5. A compact air detector as claimed in claim 4, wherein: and the gas-sensitive resistor (5) and the electric wire connected with the measuring circuit board (7) are arranged on the ventilation network (201).
6. A compact air detector as claimed in claim 1, wherein: and a filter screen B (302) is arranged at an air outlet port (301) of the air outlet section (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020008868.7U CN211124300U (en) | 2020-01-03 | 2020-01-03 | Small-size air detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020008868.7U CN211124300U (en) | 2020-01-03 | 2020-01-03 | Small-size air detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211124300U true CN211124300U (en) | 2020-07-28 |
Family
ID=71707535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020008868.7U Expired - Fee Related CN211124300U (en) | 2020-01-03 | 2020-01-03 | Small-size air detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211124300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114445999A (en) * | 2020-11-06 | 2022-05-06 | 北京建工建筑设计研究院 | Air suction type fire alarm detector with virus detection function |
-
2020
- 2020-01-03 CN CN202020008868.7U patent/CN211124300U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114445999A (en) * | 2020-11-06 | 2022-05-06 | 北京建工建筑设计研究院 | Air suction type fire alarm detector with virus detection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9940806B2 (en) | Fire detection | |
| US6052058A (en) | Filter integrity monitoring system | |
| JPH03502368A (en) | radon detection system | |
| US20100305871A1 (en) | Method and system for a filter | |
| TW424173B (en) | Speed of loboratory fume hood sash opening monitor and indicator | |
| CN108954720B (en) | filter screen failure judgment method, filter screen failure judgment system and unit equipment | |
| CN211124300U (en) | Small-size air detector | |
| CN208606334U (en) | Fire-fighting positive pressure blast system with air pressure detection device | |
| US7532986B2 (en) | Particle sizing refinement system | |
| CN111524311B (en) | Fire identification alarm judgment method | |
| JP2009534632A (en) | Oil leak detector | |
| CN209399512U (en) | A kind of air cleaning facility and fresh air system with detection fillter section service life structure | |
| 한빛최 et al. | A Comparison and Analysis of Domestic and Foreign Standards Related to Unwanted Fire Alarms | |
| PL183720B1 (en) | Method of and apparatus for detecting fire occurrence | |
| EP4273826A1 (en) | Verifying a false alarm on a smoke detector using an internal air quality sensor | |
| CN215895624U (en) | Smoke sensor for fire protection and fire detection | |
| CN216249470U (en) | Early warning system of conflagration of offshore wind power booster station | |
| RU68158U1 (en) | FIRE DETECTION DEVICE | |
| US11906415B1 (en) | Pollutant sensor device, system and method | |
| CN215675617U (en) | Automatic air monitoring and adjusting system in closed construction space | |
| AU706461B2 (en) | Filter integrity monitoring system | |
| CN2704030Y (en) | Audio detector capable of detecting five danger | |
| JP3280510B2 (en) | Initial fire detection device and sensor storage box used for it | |
| KR200310395Y1 (en) | The indoor environment state verifier that multi-warming is possible | |
| JP2527196Y2 (en) | Fire alarm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |