CN214540997U - Very early suction type smoke detector - Google Patents
Very early suction type smoke detector Download PDFInfo
- Publication number
- CN214540997U CN214540997U CN202120465515.4U CN202120465515U CN214540997U CN 214540997 U CN214540997 U CN 214540997U CN 202120465515 U CN202120465515 U CN 202120465515U CN 214540997 U CN214540997 U CN 214540997U
- Authority
- CN
- China
- Prior art keywords
- power supply
- detector
- storage battery
- early
- smoke detector
- 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.)
- Active
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 27
- 238000005070 sampling Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 230000030279 gene silencing Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 16
- 230000003287 optical effect Effects 0.000 description 4
- 241000238631 Hexapoda Species 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
Landscapes
- Fire-Detection Mechanisms (AREA)
Abstract
The utility model belongs to the technical field of fire early warning equipment, in particular to an extremely early air suction type smoke detector, which comprises a main shell and an outer cover clamped on the main shell, wherein an electric control assembly and at least one group of detection assemblies are arranged in the main shell; the electric control assembly comprises a circuit board, a controller, a communication module and a direct current-alternating current switching module which are arranged on the circuit board, and a storage battery and a power line which are connected with the circuit board; the detection assembly comprises an air filter element and a detector connected with the air filter element, the air filter element is communicated with an air inlet, the air inlet is communicated with a sampling pipe uniformly distributed with sampling holes, the detector is communicated with a gas collecting pipe, the gas collecting pipe is connected with an axial fan, and the axial fan is communicated with an exhaust port; the detector is provided with a ventilation cavity, and a transmitter, a receiver I and a receiver II are installed on the cavity wall. The utility model can effectively monitor the working condition of the emitter; the alternating current power supply is used as a main power supply, and the storage battery is used as a standby power supply, so that the use is convenient.
Description
Technical Field
The utility model belongs to the technical field of fire early warning equipment, concretely relates to formula smoke detector breathes in very early stage.
Background
Aspirated smoke detectors are known in the art, while known aspirated smoke detectors include a high sensitivity smoke sensor in the optical chamber of the detector. For example, high sensitivity smoke sensors used in known aspirated smoke detectors are 10-50 times more sensitive than standard point-type photosensors.
For example publication number CN107063999A discloses an aspirated smoke detector with an improved light chamber. The aspirated smoke detector may include a base, an optical component housed within the base, the optical component housing a transmitter and a receiver; a chamber lid disposed on the base and the optical member to form a light chamber therebetween. The chamber lid may capture light emitted by the emitter and reflect the captured light within the chamber lid while avoiding multiple back reflections of the captured light.
Also, for example, publication No. CN205845239U discloses an active air suction type smoke detector, which includes a main housing and a bottom cover, the bottom cover is fixedly mounted at an opening portion below the main housing through a bottom cover fixing nut, an indication panel is arranged above the main housing, an air filter element is arranged inside the main housing, and a quick air inlet joint and an outlet joint are arranged on an end wall of the main housing beside the air filter element; the position next to air filter core in main casing body inside is provided with the PCB panel, is provided with smoke transducer, toxic gas detection sensor, axial fan and bee calling organ on the PCB panel. The utility model has simple structure and convenient installation, is provided with a CAN interface, accords with SAE J1939 protocol, is connected with GPS equipment, CAN send smoke alarm information back to a monitoring center, and supports remote whole vehicle monitoring; a built-in buzzer can simultaneously carry out sound and light alarm and can prompt the alarm content in Chinese; the indicating panel is provided with a mute key, and the sound can be eliminated when false alarm occurs. The main casing body is provided with a detachable filter element cover plate, so that the air filter element is convenient to replace.
The smoke detector in the prior art cannot effectively position a specific ignition position, cannot effectively monitor the working condition of the transmitter, and has great potential safety hazard; meanwhile, the smoke detector in the prior art is single in power supply mode and inconvenient to use.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an extremely early suction type smoke detector.
The utility model provides a following technical scheme:
an extremely early air suction type smoke detector comprises a main shell and an outer cover clamped on the main shell, wherein an air inlet, an air outlet and a lead port are formed in the main shell, and an electric control assembly and at least one group of detection assemblies are arranged in the main shell;
the electric control assembly comprises a circuit board, a controller, a communication module and a direct current and alternating current switching module which are arranged on the circuit board, and a storage battery and a power line which are connected with the direct current and alternating current switching module;
the detection assembly comprises an air filter element and a detector connected with the air filter element, the air filter element is communicated with an air inlet, the air inlet is communicated with a sampling pipe uniformly distributed with sampling holes, the detector is communicated with a gas collecting pipe, the gas collecting pipe is connected with an axial fan, and the axial fan is communicated with an exhaust port;
the detector is provided with a ventilation cavity, a transmitter and a receiver I are installed on the wall of one side cavity, a receiver II is installed on the wall of the other side cavity corresponding to the transmitter, and the transmitter, the receiver I and the receiver II are all electrically connected with the controller.
The direct current and alternating current switching module comprises an alternating current power supply circuit and a direct current storage battery power supply circuit; the AC power supply circuit and the DC storage battery power supply circuit are connected in parallel and then are connected to the DC voltage output end; the alternating current power supply circuit comprises an alternating current power supply end which is connected with the AC-DC power supply module in series; the direct-current storage battery power supply circuit comprises a direct-current storage battery power supply end, wherein the direct-current storage battery power supply end is connected with a diode group in series, and the diode group is formed by connecting a plurality of diodes in parallel.
There are four groups of detection assemblies. The sampling pipes respectively connected with the four groups of detection assemblies can be arranged in four wind directions of a room.
The circuit board is provided with a buzzer, and the outer cover is correspondingly provided with a buzzer hole.
And a false alarm silencing key is arranged on the outer cover. When the buzzer sounds due to the false alarm, the false alarm silencing key can be pressed to silence.
And the outer cover is provided with a display screen and a control key group.
The outer edge of the main shell is provided with a fixing screw hole, so that the device can be fixedly arranged on a wall.
Insect-proof nets are installed on the air inlet and the air outlet, and flying insects can be prevented from entering the detector.
The utility model has the advantages that:
1. the utility model has simple structure, convenient maintenance and lower production cost;
2. the utility model can effectively monitor the working condition of the transmitter, can replace and damage the transmitter in time and reduce the potential safety hazard;
3. the utility model discloses use AC power supply as leading, adopt the battery as stand-by power supply, convenient to use simultaneously.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the sampling tube structure of the present invention;
fig. 4 is a cross-sectional view of a detector of the present invention;
fig. 5 is a circuit diagram of the dc-ac switching module according to the present invention.
Labeled as: the device comprises an outer cover 101, a fixing screw hole 102, an air inlet 103, a buzzer hole 104, a display screen 105, a lead port 106, a false alarm and silencing key 107, a main shell 108, a circuit board 109, a communication module 110, a storage battery 111, an air filter element 112, a detector 113, an orthogonal current switching module 114, a gas collecting pipe 115, an axial fan 116, an air outlet 117, a sampling pipe 118, a sampling hole 119, a ventilation cavity 120, a second receiver 121, a first receiver 122 and a transmitter 123.
Detailed Description
As shown in the figure, the very early air suction type smoke detector comprises a main shell 108 and an outer cover 101 clamped on the main shell 108, wherein the main shell 108 and the outer cover 101 are both manufactured through an injection molding process. Be equipped with the buckle on enclosing cover 101, be equipped with the draw-in groove on main casing body 108 correspondingly, enclosing cover 101 is installed on main casing body 108 through the joint, conveniently takes off enclosing cover 101 and overhauls. A display screen 105 and a control key set are installed on the outer cover 101, and the operation condition of the apparatus can be checked through the display screen 105 and controlled through the control key set.
An air inlet 103, an air outlet 117 and a lead port 106 are arranged on the main shell 108, the air inlet 103 is connected with a sampling tube 118, the air outlet 117 is used for discharging detected gas, and the lead port 106 is used for leading out a power line and a signal line. To prevent flying insects from entering the detector, insect screens are installed at both the air inlet 103 and the air outlet 117. Fixing screw holes 102 are provided at the outer periphery of the main housing 108 so that the device can be fixedly mounted on a wall.
Within the main housing 108 are mounted electrical control components and at least one set of sensing components. Specifically, the electronic control assembly comprises a circuit board 109, a controller, a communication module 110 and an ac/dc switching module 114 are mounted on the circuit board 109, and the ac/dc switching module 114 is connected with a storage battery 111 and a power line. The power cord is externally connected with a 220V alternating current power supply, the power supply is mainly supplied to the device through alternating current, and when power is cut off, the storage battery 111 supplies power to the device. Specifically, the dc-ac switching module 114 includes an ac power supply circuit and a dc storage battery power supply circuit; the AC power supply circuit and the DC storage battery power supply circuit are connected in parallel and then are connected to the DC voltage output end; the alternating current power supply circuit comprises an alternating current power supply end which is connected with the AC-DC power supply module in series; the direct-current storage battery power supply circuit comprises a direct-current storage battery power supply end, wherein the direct-current storage battery power supply end is connected with a diode group in series, and the diode group is formed by connecting a plurality of diodes in parallel. When the alternating current power supply is normal, the AC-DC power supply module outputs +24V direct current, and due to the unidirectional characteristic of the two tubes, the direct current output of the AC-DC power supply module cannot be added to one end of the +24V direct current storage battery. After the +24V direct-current storage battery passes through the diode group, the voltage is slightly lower than the +24V direct current output by the AC-DC power supply module, so that the +24V direct-current storage battery cannot be added to the direct-current voltage output end through the diode group, the storage battery does not work, and the purpose of power supply backup is achieved. When no alternating current is supplied, the AC-DC power supply module does not have +24V direct current output, and at the moment, the +24V direct current storage battery is added to the direct current voltage output end after passing through the diode group to complete the switching of the backup power supply.
The detection assembly comprises an air filter element 112 and a detector 113 connected with the air filter element 112, the air filter element 112 is in through connection with the air inlet 103 through a pipeline, and the air inlet 103 is in through connection with a sampling pipe 118 evenly provided with sampling holes 119. The detection assemblies are preferably four sets, and four sets of sampling tubes 118 may be installed in four different wind directions in the room. By installing the air filter element 112, dust in the sampling gas sampled by the sampling pipe 118 can be filtered, and the dust is prevented from influencing the detection precision, namely, the false alarm is prevented. The detector 113 is connected to the manifold 115 by piping. The gas collecting pipe 115 is connected with an axial fan 116, and the axial fan 116 is connected with the gas outlet 117 through a pipeline. The multiple groups of detection assemblies are connected with one gas collecting pipe 115, that is, multiple groups of gas inlet pipe orifices of the gas collecting pipe 115 are respectively connected with the detector 113, the gas collecting pipe 115 is provided with a gas outlet pipe orifice, and the gas outlet pipe orifice of the gas collecting pipe 115 is connected with the axial fan 116. The use of one axial fan 116 as the sampling power source for multiple sets of test assemblies saves power.
Specifically, the detector 113 is provided with a ventilation cavity 120, a first transmitter 123 and a first receiver 122 are mounted on a cavity wall of one side, a second receiver 121 is mounted on a cavity wall of the other side corresponding to the transmitter 123, and the transmitter 123, the first receiver 122 and the second receiver 121 are all electrically connected with the controller. When there is no smoke in the sampled gas, the laser light emitted from the emitter 123 may be received by the second receiver 121, and the second receiver 121 may monitor that the emitter 123 is in a normal operating state. When smoke exists in the sampled gas, the laser emitted by the emitter 123 is scattered, and when the laser is received by the receiver 122, the device gives an alarm. The related alarm signal can be transmitted to the remote cloud terminal through the communication module 110.
A buzzer is mounted on the circuit board 109, and a buzzer hole 104 is correspondingly formed on the cover 101. The outer cover 101 is provided with a false alarm mute key 107. The buzzer may sound when smoke is detected. When the device generates a false alarm, it is muted by pressing the false alarm mute key 107.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An extremely early aspirated smoke detector characterized by: the detection device comprises a main shell (108) and an outer cover (101) clamped on the main shell (108), wherein the main shell (108) is provided with an air inlet (103), an air outlet (117) and a lead port (106), and an electric control assembly and at least one group of detection assemblies are arranged in the main shell (108);
the electric control assembly comprises a circuit board (109), a controller, a communication module (110) and a direct current and alternating current switching module (114) which are arranged on the circuit board (109), and a storage battery (111) and a power line which are connected with the direct current and alternating current switching module (114);
the detection assembly comprises an air filter element (112) and a detector (113) connected with the air filter element (112), the air filter element (112) is in through connection with an air inlet (103), the air inlet (103) is in through connection with a sampling pipe (118) with uniformly distributed sampling holes (119), the detector (113) is in through connection with a gas collecting pipe (115), the gas collecting pipe (115) is connected with an axial fan (116), and the axial fan (116) is in through connection with an air outlet (117);
the detector (113) is provided with a ventilation cavity (120), a transmitter (123) and a receiver (122) are installed on the wall of one side cavity, a receiver II (121) is installed on the wall of the other side cavity corresponding to the transmitter (123), and the transmitter (123), the receiver I (122) and the receiver II (121) are all electrically connected with the controller.
2. The very early aspirated smoke detector of claim 1, wherein: the direct current and alternating current switching module (114) comprises an alternating current power supply circuit and a direct current storage battery power supply circuit; the AC power supply circuit and the DC storage battery power supply circuit are connected in parallel and then are connected to the DC voltage output end; the alternating current power supply circuit comprises an alternating current power supply end which is connected with the AC-DC power supply module in series; the direct-current storage battery power supply circuit comprises a direct-current storage battery power supply end, wherein the direct-current storage battery power supply end is connected with a diode group in series, and the diode group is formed by connecting a plurality of diodes in parallel.
3. The very early aspirated smoke detector of claim 1, wherein: there are four groups of detection assemblies.
4. The very early aspirated smoke detector of claim 1, wherein: the circuit board (109) is provided with a buzzer, and the outer cover (101) is correspondingly provided with a buzzer hole (104).
5. The very early aspirated smoke detector of claim 4, wherein: and a false alarm silencing key (107) is arranged on the outer cover (101).
6. The very early aspirated smoke detector of claim 1, wherein: and a display screen (105) and a control key group are arranged on the outer cover (101).
7. The very early aspirated smoke detector of claim 1, wherein: the outer edge of the main shell (108) is provided with a fixing screw hole (102).
8. The very early aspirated smoke detector of claim 1, wherein: insect-proof nets are mounted on the air inlet (103) and the air outlet (117).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120465515.4U CN214540997U (en) | 2021-03-04 | 2021-03-04 | Very early suction type smoke detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120465515.4U CN214540997U (en) | 2021-03-04 | 2021-03-04 | Very early suction type smoke detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214540997U true CN214540997U (en) | 2021-10-29 |
Family
ID=78260433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120465515.4U Active CN214540997U (en) | 2021-03-04 | 2021-03-04 | Very early suction type smoke detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214540997U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115188149A (en) * | 2022-07-08 | 2022-10-14 | 北京精俞科技有限公司 | Very early fire alarm |
| CN116448947A (en) * | 2022-01-17 | 2023-07-18 | 霍尼韦尔国际公司 | Insect protection device for suction type smoke, gas or air quality monitoring system and device |
| US12628815B2 (en) | 2022-01-17 | 2026-05-19 | Honeywell International Inc. | Insect guard for an aspirated smoke, gas, or air quality monitoring systems and devices |
-
2021
- 2021-03-04 CN CN202120465515.4U patent/CN214540997U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116448947A (en) * | 2022-01-17 | 2023-07-18 | 霍尼韦尔国际公司 | Insect protection device for suction type smoke, gas or air quality monitoring system and device |
| US12628815B2 (en) | 2022-01-17 | 2026-05-19 | Honeywell International Inc. | Insect guard for an aspirated smoke, gas, or air quality monitoring systems and devices |
| CN115188149A (en) * | 2022-07-08 | 2022-10-14 | 北京精俞科技有限公司 | Very early fire alarm |
| CN115188149B (en) * | 2022-07-08 | 2023-09-19 | 北京精俞科技有限公司 | Extremely early fire alarm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110441000A (en) | A kind of acoustics Boiler Steam leak detection system | |
| JP5844570B2 (en) | sensor | |
| CN219122778U (en) | Alarm device for fire control detection | |
| CN216208772U (en) | Partial discharge gas online monitoring system based on Internet of things | |
| CN213601339U (en) | Smoke detection alarm | |
| CN215868103U (en) | High-sensitivity fire hazard early warning device | |
| CN213024708U (en) | Electrical fire point type detector | |
| CN115206046A (en) | AI technology-based fire alarm detection device and analysis method | |
| CN118135728A (en) | An intelligent algorithm fire smoke detector and its use method | |
| CN214067064U (en) | Tail gas analyzer | |
| CN213659611U (en) | Normal fire power supply system | |
| CN205003049U (en) | Electrical control dish cabinet dust detection device | |
| CN210720332U (en) | Mobile gas detector based on wireless communication | |
| CN211062160U (en) | Multipurpose electrical fire monitoring device | |
| CN208420846U (en) | A kind of outdoor gas alarm | |
| CN217562100U (en) | Modular intelligent smoke alarm device | |
| CN219456083U (en) | carbon monoxide detector | |
| CN219978937U (en) | Fire-fighting smoke alarm | |
| CN219658194U (en) | Smoke monitoring alarm device | |
| CN223139531U (en) | A plug-in fixed gas detector | |
| CN218677864U (en) | Power line with gas detection, alarm, electric leakage and circuit breaking functions | |
| CN216621268U (en) | Weak current engineering intellectual detection system equipment | |
| CN218038219U (en) | Flue gas monitoring alarm device | |
| CN220474100U (en) | Smoke detection device | |
| CN214012157U (en) | Fixed effectual gas detection alarm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |