CN206451328U - A kind of air suction type smoke fire detector - Google Patents
A kind of air suction type smoke fire detector Download PDFInfo
- Publication number
- CN206451328U CN206451328U CN201720069444.XU CN201720069444U CN206451328U CN 206451328 U CN206451328 U CN 206451328U CN 201720069444 U CN201720069444 U CN 201720069444U CN 206451328 U CN206451328 U CN 206451328U
- Authority
- CN
- China
- Prior art keywords
- suction type
- fire detector
- air
- type smoke
- laser
- 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
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Abstract
The utility model discloses a kind of air suction type smoke fire detector, including housing, the housing is internally provided with laser chamber, and the laser chamber is provided at both ends with air inlet section and air outlet section；The laser cavity ceiling Middle face vertical air inlet section and air outlet section are provided with laser tube；The laser chamber lower edge side is provided with photelectric receiver；The laser tube and photelectric receiver are electrically connected to controller；The controller electrical connection alarm and touch-screen；It is characterized in that：The housing includes first half and latter half of；The latter half of porch is provided with screen pack；Multiple pipe joints are installed on the first half；Each pipe joint is connected respectively to ratio adjusting valve；Air suction type smoke fire detector of the present utility model, change filter easily, and air inlet can passing ratio regulation valve regulation, the interface of distal end or emphasis monitored area can extend inspiratory duration, near-end or common monitoring point can shorten inspiratory duration, reach targetedly air-breathing monitoring.
Description
Technical field
The utility model is related to a kind of fire detector, and in particular to a kind of air suction type smoke fire detector, belongs to fire
Fire detector technical field.
Background technology
Air sampling smoke detector is to judge that a kind of smog of smoke particle concentration is visited by pipeline air sampling analysis
Survey device；And then pole early detection fire；Detector is sampled by asepwirator pump by sampling pipe to the air in fire compartment；It is empty
Gas samples laser gun of the main frame inside main frame and analyzed, and draws the concentration of the smoke particle in air；If it exceeds pre-
Determine concentration, main frame is alarmed；High sensitivity smoke detector is the nephelometer of instrument grade, and it can be in the range of 360 degree
Receive laser and be irradiated to the scattered light produced on smoke particle；Its sensibility in practice is 0.001%obs/m, is conventional detectors
2000 times；Such as Chinese Patent Application No.：201620139374.6, disclose a kind of improved air suction type smoke detector
Air inlet and gas outlet are offered in the middle part of device, including housing, the Inner Constitution laser chamber of the housing, the housing, institute
State air inlet and gas outlet is oppositely arranged, one end of the laser chamber is provided with laser tube, and the other end of the laser chamber is set
Have for receiving the first photelectric receiver of the forward scattering light beam of the smoke particle in laser chamber, for receiving laser chamber
In smoke particle lateral scattering light beam the second photelectric receiver, line and laser between the air inlet and gas outlet
The central axis of the whole laser beam of pipe transmitting is orthogonal；The utility model has low cost, easily debugging, highly reliable excellent
Gesture；But because its inlet charge is provided by pipe network, because collection point spreads all over a building or a room, because
This, has a certain distance between collection point, when pipe network laying is distant, it needs pressure of inspiration(Pi) big, and existing
Air suction type sensor, it is general using a pipe network outlet with an asepwirator pump, it is for the collection point of distal end, and aspiration ratio is weaker,
Flase drop is easily caused, in addition, existing detector is balanced air inlet to each collection point, without emphasis, for easy
Ignition point does not have important mornitoring.
Utility model content
To solve the above problems, the utility model proposes a kind of air suction type smoke fire detector, changing filter and holding
Easily, and air inlet can passing ratio regulation valve regulation, the interface of distal end or emphasis monitored area can extend inspiratory duration, near-end or
Common monitoring point can shorten inspiratory duration, reach targetedly air-breathing monitoring.
Air suction type smoke fire detector of the present utility model, including housing, the housing are internally provided with laser cavity
Room, the laser chamber is provided at both ends with air inlet section and air outlet section；The laser cavity ceiling Middle face vertical air inlet section and outlet
Section is provided with laser tube；The laser chamber lower edge side is provided with photelectric receiver；Laser tube and the photelectric receiver electricity
It is connected to controller；The controller electrical connection alarm and touch-screen；The housing includes first half and latter half of；After described
Half portion porch is provided with screen pack；Multiple pipe joints are installed on the first half；Each pipe joint is connected respectively
To ratio adjusting valve；The ratio adjusting valve output end is connected to screen pack input；The screen pack output end passes through
Aspiration pump is connected to air inlet section；The inspiratory duration of each interface of passing ratio regulation valve regulation, gas is by fully filtering laggard
Enter to laser chamber and be monitored, when numerical value exceedes threshold value, alarm equipment alarm.
As preferred embodiment, the latter half of inlet inside has been made into integration interior capel；Set on the interior capel
It is equipped with multiple bolts hole；The screen pack has been made into integration an outer shroud；It is bolted after the outer shroud is chimeric with inner ring；
Dismounting cleaning can periodically be carried out.
As preferred embodiment, the first half and latter half of it is fastened by bolts.
As preferred embodiment, regulation valve regulation panel is provided with the housing；The regulation valve regulation panel
Communicated with ratio adjusting valve；Passing ratio regulating valve is in a stroke, each magnetic valve of regulation panel regulation ratio adjusting valve
The time of folding.
As preferred embodiment, the alarm is made up of voice guard and light crossing-signal.
As preferred embodiment, the voice guard is made up of two-stage power amplifier；Power amplifier described in two-stage
Its output end is all connected with buzzer；Electric switch is provided between the two-stage power amplifier；The electric switch electrically connects controller；
When needing alarm, sectional alarm, during more than first threshold value, the driving alarm of first order power amplifier, during more than Second Threshold, the
One power amplifier drives the second power amplifier, the second power amplifier driving alarm equipment alarm.
Compared with prior art, air suction type smoke fire detector of the present utility model changes filtering to the utility model
Plate easily, and air inlet can passing ratio regulation valve regulation, the interface of distal end or emphasis monitored area can extend inspiratory duration, closely
End or common monitoring point can shorten inspiratory duration, reach targetedly air-breathing monitoring.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Embodiment
Embodiment 1：
As shown in figure 1, air suction type smoke fire detector of the present utility model, including housing 1, the inside of the housing 1
Laser chamber 2 is provided with, the laser chamber 2 is provided at both ends with air inlet section 3 and air outlet section 4；In the middle part of the top surface of laser chamber 2
Vertical air inlet section and air outlet section are provided with laser tube 5；The bottom avris of laser chamber 2 is provided with photelectric receiver 6；It is described to swash
Light pipe 5 and photelectric receiver 6 are electrically connected to controller（It is not shown）；The controller electrical connection alarm 7 and touch-screen 8；Institute
Stating housing 1 includes first half 9 and latter half of 10；Latter half of 10 porch is provided with screen pack 11；On the first half 9
Multiple pipe joints 12 are installed；Each pipe joint 12 is connected respectively to ratio adjusting valve 13；The ratio adjusting valve 13 is defeated
Go out end and be connected to the input of screen pack 11；The output end of screen pack 11 is connected to air inlet section 3 by aspiration pump 14；Pass through
Ratio adjusting valve 13 adjusts the inspiratory duration of each interface, and gas enters laser chamber after fully filtering and is monitored,
When numerical value exceedes threshold value, alarm equipment alarm.
Latter half of 10 inlet inside has been made into integration interior capel 15；Multiple bolts are provided with the interior capel 15
Hole；The screen pack 11 has been made into integration an outer shroud 16；The outer shroud 16 is bolted after being closed with inner ring embedding 15；It can determine
Phase carries out dismounting cleaning.
The first half 9 and latter half of 10 is fastened by bolts.
Regulation valve regulation panel 17 is provided with the housing 1；The regulation valve regulation panel 17 and ratio adjusting valve 13
Communication；Passing ratio regulating valve is in a stroke, the time of each magnetic valve folding of regulation panel regulation ratio adjusting valve.
The alarm 7 is made up of voice guard and light crossing-signal.The voice guard is by two-stage power amplifier structure
Into；Its output end of power amplifier described in two-stage is all connected with buzzer；Electric switch is provided between the two-stage power amplifier；It is described
Electric switch electrically connects controller；When needing alarm, sectional alarm, during more than first threshold value, first order power amplifier driving report
Alert, during more than Second Threshold, the first power amplifier drives the second power amplifier, the second power amplifier driving alarm equipment alarm.
Air suction type smoke fire detector of the present utility model, changes filter easily, and air inlet being capable of passing ratio tune
Valve regulation is saved, the interface of distal end or emphasis monitored area can extend inspiratory duration, when near-end or common monitoring point can shorten air-breathing
Between, reach targetedly air-breathing monitoring.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (6)
1. a kind of air suction type smoke fire detector, including housing, the housing is internally provided with laser chamber, the laser
Chamber is provided at both ends with air inlet section and air outlet section；The laser cavity ceiling Middle face vertical air inlet section and air outlet section are provided with laser
Pipe；The laser chamber lower edge side is provided with photelectric receiver；The laser tube and photelectric receiver are electrically connected to controller；
The controller electrical connection alarm and touch-screen；It is characterized in that：The housing includes first half and latter half of；It is described later half
Portion porch is provided with screen pack；Multiple pipe joints are installed on the first half；Each pipe joint is connected respectively to
Ratio adjusting valve；The ratio adjusting valve output end is connected to screen pack input；The screen pack output end is by taking out
Air pump is connected to air inlet section.
2. air suction type smoke fire detector according to claim 1, it is characterised in that：The latter half of inlet inside one
Body is formed with interior capel；Multiple bolts hole are provided with the interior capel；The screen pack has been made into integration an outer shroud；It is described
It is bolted after outer shroud is chimeric with inner ring.
3. air suction type smoke fire detector according to claim 1, it is characterised in that：The first half and latter half of logical
Cross bolt fastening.
4. air suction type smoke fire detector according to claim 1, it is characterised in that：Regulation is provided with the housing
Valve regulation panel；The regulation valve regulation panel communicates with ratio adjusting valve.
5. air suction type smoke fire detector according to claim 1, it is characterised in that：The alarm is by audible alarm
Device and light crossing-signal are constituted.
6. air suction type smoke fire detector according to claim 5, it is characterised in that：The voice guard is by two-stage
Power amplifier is constituted；Its output end of power amplifier described in two-stage is all connected with buzzer；It is provided between the two-stage power amplifier
Electric switch；The electric switch electrically connects controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069444.XU CN206451328U (en) | 2017-01-20 | 2017-01-20 | A kind of air suction type smoke fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069444.XU CN206451328U (en) | 2017-01-20 | 2017-01-20 | A kind of air suction type smoke fire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206451328U true CN206451328U (en) | 2017-08-29 |
Family
ID=59666696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720069444.XU Expired - Fee Related CN206451328U (en) | 2017-01-20 | 2017-01-20 | A kind of air suction type smoke fire detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206451328U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961692A (en) * | 2018-08-01 | 2018-12-07 | 合肥泽众城市智能科技有限公司 | A kind of fuel gas detection system and monitoring method |
| US10690584B2 (en) | 2017-11-13 | 2020-06-23 | Carrier Corporation | Air particulate detection system |
-
2017
- 2017-01-20 CN CN201720069444.XU patent/CN206451328U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10690584B2 (en) | 2017-11-13 | 2020-06-23 | Carrier Corporation | Air particulate detection system |
| CN108961692A (en) * | 2018-08-01 | 2018-12-07 | 合肥泽众城市智能科技有限公司 | A kind of fuel gas detection system and monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20180120 |