CN112710635A - Miniature formula of breathing in smoke detector - Google Patents
Miniature formula of breathing in smoke detector Download PDFInfo
- Publication number
- CN112710635A CN112710635A CN202011532795.2A CN202011532795A CN112710635A CN 112710635 A CN112710635 A CN 112710635A CN 202011532795 A CN202011532795 A CN 202011532795A CN 112710635 A CN112710635 A CN 112710635A
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- Prior art keywords
- assembly
- smoke detector
- miniature
- pump
- detection
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- 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.)
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- 239000000779 smoke Substances 0.000 title claims abstract description 32
- 230000029058 respiratory gaseous exchange Effects 0.000 title description 2
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 28
- 230000009467 reduction Effects 0.000 claims abstract description 17
- 230000030279 gene silencing Effects 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 12
- 239000003595 mist Substances 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 230000003584 silencer Effects 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
Abstract
The invention discloses a miniature air-breathing smoke detector, and relates to the technical field of smoke detection. The filter assembly comprises a mounting base plate, wherein a filter assembly for filtering dust and fiber impurities is mounted on the mounting base plate; the pump assembly is arranged at the upper end of the mounting bottom plate and is used for forming air pressure; the noise reduction assembly is arranged on one side of the filter assembly, and is used for isolating noise of air in the pump assembly and preventing the noise from being transmitted out through the sampling pipe; the detection assembly is arranged at the lower end of the mounting bottom plate, and mist detection is realized through the cloud and mist analysis device; the power supply communication assembly is respectively connected with the filter assembly, the pump assembly, the silencing assembly, the detection assembly and the controller and used for supplying power. Dust and fiber impurities in the air can be effectively filtered through the filter assembly, so that the detection cleanliness of the smoke detector is improved; the noise generated in the operation process of the filter and the pump assembly is isolated and filtered through the silencing assembly.
Description
Technical Field
The invention relates to the technical field of smoke detection, in particular to a miniature air-breathing smoke detector.
Background
The air-breathing smoke detection system is a system consisting of a detector and a sampling network pipe. The air suction pump continuously collects air samples from the protected area through a sampling pipe network consisting of PVC pipes or steel pipes and puts the air samples into the detector. The air sample enters the detection cavity after being filtered by the filter assembly to remove dust particles, and the detection cavity is provided with a stable laser light source. Smoke particles scatter the laser light and the scattered light causes highly sensitive light receivers to produce signals. And performing system analysis to complete photoelectric conversion. The smoke concentration value and the alarm grade thereof are displayed by a display. The host machine transmits the electric signal to the fire alarm control center and the centralized display device through the relay or the communication interface.
The air suction type smoke detection device is known for fire early warning, high sensitivity and high reliability, but generally aims at fire protection in large spaces such as stadiums, theaters and data centers, but in some small places such as cabinet interiors and module interiors, the requirement for miniaturization of the air suction type smoke detector is increased. The existing products can not meet the requirement basically.
In summary, the problems of the prior art are as follows: the existing air suction type smoke detector cannot effectively realize early warning in a narrow space fire disaster.
Disclosure of Invention
To overcome the problems of the related art, the disclosed embodiments of the present invention provide a miniature aspirated smoke detector. The technical scheme is as follows:
a miniature air suction type smoke detector comprises a mounting base plate, wherein a filter assembly for filtering dust and fiber impurities is mounted on the mounting base plate;
the pump assembly is arranged at the upper end of the mounting bottom plate and is used for forming air pressure;
the noise reduction assembly is arranged on one side of the filter assembly, and is used for isolating noise of air in the pump assembly and preventing the noise from being transmitted out through the sampling pipe;
the detection assembly is arranged at the lower end of the mounting bottom plate and realizes mist detection through a cloud and mist analysis device;
the power supply communication assembly is respectively connected with the filter assembly, the pump assembly, the silencing assembly, the detection assembly and the controller and is used for supplying power;
the controller is respectively connected with the filter assembly, the pump assembly, the silencing assembly, the detection assembly and the power supply communication assembly to complete state monitoring, control, calculation and alarm of the whole equipment;
and the external interface assembly is arranged on one side of the mounting base plate, is connected with the controller and is used for realizing data communication.
In one embodiment, the mounting bottom plate is fixedly mounted on the rear cover plate through bolts, and the front cover plate is mounted on the rear cover plate in a buckling mode; the edge of the rear cover plate is provided with a plurality of mounting holes, the front cover plate is provided with buckles matched with the mounting holes, and the buckles are clamped in the mounting holes.
In one embodiment, the external interface assembly adopts a universal external terminal, a label sticker is arranged at the upper end of the external terminal, and a clamp spring for fixing the fiber core is arranged inside the external terminal.
In one embodiment, the muffler assembly comprises a first muffler and a second muffler fixedly mounted, and noise reduction structures are arranged in the first muffler and the second muffler;
the noise reduction structure comprises a sound absorption layer arranged inside a first silencer and a second silencer, the sound absorption layer is a sponge body, a plurality of protrusions and recesses are arranged on the sponge body, and the protrusions and the recesses are arranged in an array.
In one embodiment, the pump assembly consists of a vibration damping assembly and a pump, the vibration damping assembly being mounted at the bottom of the pump;
the vibration reduction assembly is composed of a spring mechanism, and the vacuum pump is suspended and fixed by a plurality of springs.
In one embodiment, one side of the filter assembly is provided with at least one air inlet and the other side of the filter assembly is provided with an air outlet.
In one embodiment, the detection assembly is provided with a cloud analysis chamber assembly, which is electrically connected to the controller.
In one embodiment, the controller is composed of a central processing unit, an analog-to-digital converter and a digital-to-analog converter, and the central processing unit is respectively connected with the analog-to-digital converter and the digital-to-analog converter.
In one embodiment, the power communication component is connected to a controller;
under normal conditions, the communication assembly is in a dormant state and only the heartbeat packet is communicated with the upper computer;
when the equipment gives an alarm or the upper computer needs to inquire the parameters of the equipment, the communication assembly wirelessly transmits the information in the equipment to the upper computer.
In one embodiment, the power communication assembly is composed of a 24V lithium battery and a DC/DC power panel.
Dust and fiber impurities in the air can be effectively filtered through the filter assembly, so that the detection cleanliness of the smoke detector is improved; the noise generated in the operation process of the filter and the pump assembly is isolated and filtered through the silencing assembly; the detection assembly is used for collecting the smoke in the air and transmitting the smoke to the cloud and mist analysis device to detect the fog; the operation of each part is connected with the controller through an external interface assembly and receives the instruction sent by the controller to carry out corresponding action and operation.
The front cover plate and the rear cover plate which are matched with each other through installation can realize the placement of each part, the protection of each part is realized, and the service life is prolonged. Set up label subsides on external terminal and can realize the discernment to different fibre cores, set up the jump ring in external terminal and realize clamping to fibre core, improved the efficiency of assembly. The effect of noise reduction can be improved by installing different silencers.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic view of a miniature aspirated smoke detector according to the present invention.
Fig. 2 is a schematic structural diagram of an external interface assembly provided by the present invention.
FIG. 3 is a schematic structural view of a filter assembly provided by the present invention;
wherein, a, the external structure of the filter assembly is shown schematically; b. the internal structure of the filter assembly is schematically shown.
FIG. 4 is a schematic structural view of a muffler assembly provided by the present invention;
wherein, a, an external structure schematic diagram of the silencing component; b. the internal structure of the silencing component is schematically shown.
Fig. 5 is a schematic structural diagram of a vibration damping module provided by the present invention.
FIG. 6 is a schematic diagram of the operation of the miniature aspirated smoke detector of the present invention.
Fig. 7 is a schematic diagram of the operation of the power communication assembly provided by the present invention.
Fig. 8 is an exploded view of the structure of the miniature air-breathing smoke detector provided by the invention.
Reference numerals:
1. mounting a bottom plate; 2. an external interface assembly; 3. a filter assembly; 3-1, an air inlet; 3-2, an air outlet; 4. a noise reduction assembly; 4-1, a first muffler; 4-2, a second muffler; 5. a pump assembly; 6. a detection component; 7. a power supply communication component; 8. a controller; 9. a front cover plate; 10. a rear cover plate; 11. a spring; 12. a vacuum pump.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," and the like are for purposes of illustration only and are not intended to represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the miniature air-breathing smoke detector is composed of an external interface assembly 2, a filter assembly 3, a silencing assembly 4, a pump assembly 5, a detection assembly 6, a power supply communication assembly 7, a controller 8 and a mounting base plate 1. The mounting base plate 1 is provided with a filter component 3 for filtering dust and fiber impurities; the pump assembly 5 is arranged at the upper end of the mounting base plate 1 and used for forming air pressure; the noise reduction assembly 4 is arranged on one side of the filter assembly 3, and is used for isolating noise of air in the pump assembly 5 and preventing the noise from being transmitted out through a sampling pipe; the detection assembly 6 is arranged at the lower end of the mounting bottom plate 1, and mist detection is realized through a cloud and mist analysis device; the power supply communication assembly 7 is respectively connected with the filter assembly 3, the pump assembly 5, the silencing assembly 4, the detection assembly 6 and the controller 8 and is used for supplying power; the controller 8 is respectively connected with the filter assembly 3, the pump assembly 5, the silencing assembly 4, the detection assembly 6 and the power supply communication assembly 7 to complete state monitoring, control, calculation and alarm of the whole equipment; the external interface component 2 is installed on one side of the installation bottom plate 1, is connected with the controller 8 and is used for realizing data communication. The mounting base plate 1 is fixedly mounted on a rear cover plate 10 through bolts, and a front cover plate 9 is mounted on the rear cover plate 10 in a buckling mode; the edge of the rear cover plate 10 is provided with a plurality of mounting holes, the front cover plate 9 is provided with buckles matched with the mounting holes, and the buckles are clamped in the mounting holes.
As shown in fig. 2, the external interface assembly 2 adopts a general external terminal, a label sticker is arranged at the upper end of the external terminal, and a clamp spring for fixing the fiber core is arranged in the external terminal. At least one air inlet 3-1 is arranged at one side of the filter assembly 3, and an air outlet 3-2 is arranged at the other side of the filter assembly 3. The air inlet efficiency and the air inlet amount are improved by arranging the plurality of air inlets 3-1, and the detection requirement is met; the air inlet 3-1 and the air outlet 3-2 adopt standard air pipe components, are conveniently connected with a sampling pipe with the diameter of 6, and are used for lengthening the sampling pipe, and the external terminal adopts a universal terminal.
As shown in fig. 4, the noise reduction assembly 4 adopts a dedicated noise reduction design structure to control the noise within 30db (a). Isolating the noise of the air inside the pump assembly 5 and preventing the noise from passing out through the sampling tube. The silencing component 4 comprises a first silencer 4-1 and a second silencer 4-2 which are fixedly arranged, and noise reduction structures are arranged in the first silencer 4-1 and the second silencer 4-2; the noise reduction structure comprises a sound absorption layer arranged inside a first silencer 4-1 and a second silencer 4-2, the sound absorption layer is a sponge body, a plurality of protrusions and recesses are arranged on the sponge body, and the protrusions and the recesses are arranged in an array.
As shown in fig. 5, the pump assembly 5 consists of a vibration damping assembly made of a spring 11 and a vacuum pump 12, and the vibration damping assembly is mounted at the bottom of the pump; the vacuum pump 12 is suspended and fixed by the springs 11, the vacuum pump 12 is fixed in the air by the springs 11, and the vibration of the vacuum pump 12 is consumed by the springs 11.
The detection assembly 6 is provided with a cloud and mist analysis chamber assembly, and the cloud and mist analysis chamber assembly is electrically connected with the controller 8.
The controller 8 is composed of a CPU, an ADC and a DAC, and completes the functions of state monitoring, control, calculation and alarm of the whole equipment. The controller 8 is composed of a central processing unit, an analog-digital converter and a digital-analog converter, wherein the central processing unit is respectively connected with the analog-digital converter and the digital-analog converter.
The power supply communication component 7:
1) work together with controller 8, during normal conditions, the communication subassembly is in the dormancy state, only has the heartbeat package to communicate with the host computer, and when the equipment appears reporting to the police back or the host computer need inquire equipment parameter, the communication subassembly transmits the information in the equipment for the host computer through wireless. The communication mode is equipped with that bluetooth and two kinds of wireless communication functions of WIFI are optional, if adopt the WIFI function, the information accessible WIFI of equipment directly uploads to the high in the clouds. If adopt the bluetooth communication, through the bluetooth ad hoc network mode, transmit the information of equipment for the host computer, transmit the high in the clouds through the host computer. The client can be connected to the cloud end through the intelligent terminal.
2) The system is composed of a 24V lithium battery and a DC/DC power panel, the default power supply of the system can reach 2 years, and when 20% of the equipment is left, the equipment uploads a low-voltage alarm to request a customer to replace or charge the battery.
As shown in fig. 6, the external air enters the content of the device through the air inlet 3-1, and is sent into the first silencer 4-1 after dust, fiber and other impurities are filtered by the filter, so that the noise generated by the pump assembly 5 is prevented from being diffused to the outside of the device through the air inlet 3-1, and the air passing through the first silencer 4-1 is directly sent into the pump assembly 5 and the detection assembly 6, enters the second silencer 4-2 and is exhausted out of the device through the exhaust hole.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.
Claims (10)
1. A miniature air suction type smoke detector comprises a mounting base plate, and is characterized in that a filter assembly for filtering dust and fiber impurities is mounted on the mounting base plate;
the pump assembly is arranged at the upper end of the mounting bottom plate and is used for forming air pressure;
the noise reduction assembly is arranged on one side of the filter assembly, and is used for isolating noise of air in the pump assembly and preventing the noise from being transmitted out through the sampling pipe;
the detection assembly is arranged at the lower end of the mounting bottom plate and realizes mist detection through a cloud and mist analysis device;
the power supply communication assembly is respectively connected with the filter assembly, the pump assembly, the silencing assembly, the detection assembly and the controller and is used for supplying power;
the controller is respectively connected with the filter assembly, the pump assembly, the silencing assembly, the detection assembly and the power supply communication assembly to complete state monitoring, control, calculation and alarm of the whole equipment;
and the external interface assembly is arranged on one side of the mounting base plate, is connected with the controller and is used for realizing data communication.
2. The miniature aspirating smoke detector according to claim 1, wherein said mounting base plate is fixedly mounted to a rear cover plate by bolts, said rear cover plate having a front cover plate snap-fitted thereto; the edge of the rear cover plate is provided with a plurality of mounting holes, the front cover plate is provided with buckles matched with the mounting holes, and the buckles are clamped in the mounting holes.
3. The miniature air-breathing smoke detector according to claim 1, wherein the external interface assembly is a universal external terminal, a label sticker is arranged at the upper end of the external terminal, and a clamp spring for fixing the fiber core is arranged inside the external terminal.
4. The miniature aspirated smoke detector of claim 1, wherein said noise reduction assembly comprises first and second fixedly mounted silencers having noise reduction structures disposed therein;
the noise reduction structure comprises a sound absorption layer arranged inside a first silencer and a second silencer, the sound absorption layer is a sponge body, a plurality of protrusions and recesses are arranged on the sponge body, and the protrusions and the recesses are arranged in an array.
5. The miniature aspirated smoke detector of claim 1, wherein said pump assembly is comprised of a vibration damping assembly and a pump, said vibration damping assembly mounted to the bottom of the pump;
the vibration reduction assembly is composed of a spring mechanism, and the vacuum pump is suspended and fixed by a plurality of springs.
6. The miniature aspirated smoke detector of claim 1, wherein one side of said filter assembly is provided with at least one air inlet and the other side of said filter assembly is provided with an air outlet.
7. The miniature aspirated smoke detector of claim 1, wherein said detection assembly is provided with a cloud analysis chamber assembly, said cloud analysis chamber assembly being electrically connected to said controller.
8. The miniature aspirated smoke detector of claim 1, wherein said controller comprises a central processing unit, an analog-to-digital converter, and a digital-to-analog converter, said central processing unit being connected to said analog-to-digital converter and said digital-to-analog converter, respectively.
9. The miniature aspirated smoke detector of claim 1, wherein said power communication assembly is connected to a controller;
under normal conditions, the communication assembly is in a dormant state and only the heartbeat packet is communicated with the upper computer;
when the equipment gives an alarm or the upper computer needs to inquire the parameters of the equipment, the communication assembly wirelessly transmits the information in the equipment to the upper computer.
10. The miniature aspirated smoke detector of claim 1, wherein said power communication assembly is comprised of a 24V lithium battery, DC/DC power strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532795.2A CN112710635A (en) | 2020-12-22 | 2020-12-22 | Miniature formula of breathing in smoke detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532795.2A CN112710635A (en) | 2020-12-22 | 2020-12-22 | Miniature formula of breathing in smoke detector |
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| Publication Number | Publication Date |
|---|---|
| CN112710635A true CN112710635A (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011532795.2A Pending CN112710635A (en) | 2020-12-22 | 2020-12-22 | Miniature formula of breathing in smoke detector |
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| Country | Link |
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| CN (1) | CN112710635A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014216027A (en) * | 2013-04-25 | 2014-11-17 | ザフェテーク．ブランデス．ウント．ニーホフ．ゲゼルシャフト．ミット．ベシュレンクテル．ハフツングｓａｆｅｔｅｃＢｒａｎｄｅｓ ｕｎｄ Ｎｉｅｈｏｆｆ ＧｍｂＨ | Smoke detection unit, smoke detection system, and smoke detector |
| CN204010214U (en) * | 2014-08-18 | 2014-12-10 | 鼎盛特安全预警技术(北京)有限公司 | Asepwirator pump in a kind of air suction type smoke fire detector |
| CN104200605A (en) * | 2014-08-18 | 2014-12-10 | 鼎盛特安全预警技术(北京)有限公司 | Aspirating smoke detection device |
| CN205541257U (en) * | 2016-03-09 | 2016-08-31 | 鼎盛特安全预警技术(北京)有限公司 | A formula of breathing in sense cigarette fire detection alarm for corrosivity environment |
| CN205942988U (en) * | 2016-08-22 | 2017-02-08 | 营口天成消防设备有限公司 | Formula of breathing in smoke fire detector |
| CN108344065A (en) * | 2018-02-02 | 2018-07-31 | 江苏昊泰气体设备科技有限公司 | Oxygen enriching purifier and its vibration and noise reducing method a kind of easy to carry and mobile |
-
2020
- 2020-12-22 CN CN202011532795.2A patent/CN112710635A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014216027A (en) * | 2013-04-25 | 2014-11-17 | ザフェテーク．ブランデス．ウント．ニーホフ．ゲゼルシャフト．ミット．ベシュレンクテル．ハフツングｓａｆｅｔｅｃＢｒａｎｄｅｓ ｕｎｄ Ｎｉｅｈｏｆｆ ＧｍｂＨ | Smoke detection unit, smoke detection system, and smoke detector |
| CN204010214U (en) * | 2014-08-18 | 2014-12-10 | 鼎盛特安全预警技术(北京)有限公司 | Asepwirator pump in a kind of air suction type smoke fire detector |
| CN104200605A (en) * | 2014-08-18 | 2014-12-10 | 鼎盛特安全预警技术(北京)有限公司 | Aspirating smoke detection device |
| CN205541257U (en) * | 2016-03-09 | 2016-08-31 | 鼎盛特安全预警技术(北京)有限公司 | A formula of breathing in sense cigarette fire detection alarm for corrosivity environment |
| CN205942988U (en) * | 2016-08-22 | 2017-02-08 | 营口天成消防设备有限公司 | Formula of breathing in smoke fire detector |
| CN108344065A (en) * | 2018-02-02 | 2018-07-31 | 江苏昊泰气体设备科技有限公司 | Oxygen enriching purifier and its vibration and noise reducing method a kind of easy to carry and mobile |
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Application publication date: 20210427 |