CN109164215B - Bus inflammable volatile matter monitoring air supply device and monitoring device - Google Patents
Bus inflammable volatile matter monitoring air supply device and monitoring device Download PDFInfo
- Publication number
- CN109164215B CN109164215B CN201811100160.8A CN201811100160A CN109164215B CN 109164215 B CN109164215 B CN 109164215B CN 201811100160 A CN201811100160 A CN 201811100160A CN 109164215 B CN109164215 B CN 109164215B
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- bus
- volatile matter
- fan
- air outlet
- inflammable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
Abstract
The invention relates to a bus inflammable volatile matter monitoring air supply device and a monitoring device, comprising a cross flow fan, a louver blade, a control panel, a bidirectional micro motor and a power supply; the louver blades are connected with the bidirectional micro motor and driven by the bidirectional micro motor to swing back and forth; the louver blades are arranged in front of the cross flow fan; the cross flow fan, the control panel and the bidirectional micro motor are all connected with a power supply. This technical scheme is through the improvement of the flammable volatile substance monitoring air supply arrangement of bus, through the structure and the action mode of tripe fan piece for it forms effective detection area to be trapezoidal platform shape through crossing current fan's admitting air, can be for each to fire the same amount of wind of detection sensor distribution, when improving detection range, improves detection effect.
Description
Technical Field
The invention belongs to the technical field of public safety, and particularly relates to an air supply monitoring device and an air supply monitoring device for combustible volatile matters in a bus.
Background
In order to ensure public safety in public places and prevent accidental injury caused by fire or explosion in public places due to certain flammable volatile substances, the substances are usually prohibited from being carried.
To avoid human factors, which are brought to the transportation means, security facilities are now provided at airports, train stations, long-distance bus stations, etc. to detect such flammable volatile substances. However, in the urban public transportation system, because the number of buses is large, the traveling route is complicated, the passengers are scattered, and the mobility is large, the security check facilities used in the airport, the train station, or the like are difficult to use.
Personnel density in the bus is bigger, and the loss that produces danger and cause is more serious, and in recent years, all places are the increase state because the casualties quantity that the bus struck a fire etc. brought, how can in time detect easily fire volatile materials, is the difficult problem that public transit system is difficult to solve also can't overcome always.
The bus inflammable volatile matter monitoring device in the prior art comprises a detection module and a receiving module, the detection module and the receiving module are separately arranged, the detection module is multiple and is respectively arranged below a bus door accessory and a seat or on a side wall of a bus, the detection module enters the detection module by utilizing the air flow in a carriage, and the inflammable detection sensor outputs a detection signal to the receiving module through the inflammable detection sensor in the detection module. However, as shown in fig. 1, in order to increase the air flow speed and improve the detection effect, the conventional detection module uses an air inlet fan to achieve the purpose of increasing the air flow rate. Because the effective detection area between traditional air intake fan and the volatile substance detection module is square or cylindrical, when it provides the air intake for a plurality of flammable volatile substance detection modules that parallel, it is less to lead to the scope of monitoring coverage, and some flammable volatile substance detection modules can not play the detection effect, and then influence detection device's accuracy.
Disclosure of Invention
The invention aims to provide a bus inflammable volatile matter monitoring air supply device and a bus inflammable volatile matter monitoring device, and aims to solve the problem that the accuracy of the bus inflammable volatile matter monitoring air supply device is affected because an effective detection area of an air inlet fan is small and all inflammable volatile matter detection modules cannot be covered.
The invention is realized by the following technical scheme:
a bus inflammable volatile matter monitoring air supply device comprises a cross flow fan, louver blades, a control panel, a bidirectional micro motor and a power supply;
the louver blades are connected with the bidirectional micro motor and driven by the bidirectional micro motor to swing back and forth;
the louver blades are arranged in front of the crossflow fan;
the cross flow fan, the control panel and the bidirectional micro motor are all connected with a power supply.
The effective detection area of the cross flow fan after the air outlet passes through the louver blades is in a trapezoidal table shape.
The distance between two adjacent blades in the louver blades is 2 cm.
When the number of the flammable volatile matter detection modules is two or more, the effective detection area is that the air volume provided by each flammable volatile matter detection module in unit time is the same.
The unit time is integral multiple of the time of the louver blades swinging back and forth for one cycle.
A bus inflammable volatile matter monitoring device uses any one of the bus inflammable volatile matter monitoring and air supply device, and further comprises a shell, a PCB substrate, an air outlet fan, an inflammable detection sensor and a working state indication area;
the shell is relatively provided with an air inlet and an air outlet; the PCB substrate, the bus inflammable volatile matter monitoring and air supply device, the air outlet fan, the inflammable detection sensor and the working state indication area are all fixed in the shell; the bus inflammable volatile matter monitoring air supply device is opposite to the air inlet; the air outlet fan is opposite to the air outlet;
the bus inflammable volatile matter monitoring air supply device and the air outlet fan are both connected with the PCB substrate through wires;
the working state indicating area and the inflammable detection sensor are both in electric signal connection with the PCB substrate;
also includes an electrical interface; the electrical interface is connected with the PCB substrate wire and the electrical signal.
The number of the inflammable detection sensors is two or more.
The central point of a cross flow fan and the central point of a louver blade in the bus inflammable volatile matter monitoring air supply device, and the connecting line of the central point of the inflammable detection sensor and the central point of the air outlet fan are on the same straight line.
The upper side surface of the working state indicating area is arranged on the upper surface of the shell.
The power of the crossflow fan is less than that of the air outlet fan.
The electric interface is connected with a power supply lead and is in electric signal connection with the communication bus and the control module.
The invention has the beneficial effects that:
this technical scheme is through the improvement of the flammable volatile substance monitoring air supply arrangement of bus, through the structure and the action mode of tripe fan piece for it forms effective detection area to be trapezoidal platform shape through crossing current fan's admitting air, can be for each to fire the same amount of wind of detection sensor distribution, when improving detection range, improves detection effect.
Drawings
FIG. 1 is a schematic block diagram of a prior art blower apparatus;
FIG. 2 is a schematic block diagram of an air supply arrangement according to the present invention;
FIG. 3 is a schematic circuit diagram of an air blowing device according to the present invention.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
The application provides a bus easily fires volatile substance monitoring air supply arrangement, as shown in fig. 2 and 3, including crossflow fan, tripe fan piece, control panel, two-way micro motor and power.
The louver blades are connected with the bidirectional micro motor and driven by the bidirectional micro motor to swing back and forth;
the louver blades are arranged in front of the cross flow fan; the effective detection area of the cross flow fan after the air outlet passes through the louver blades is in a trapezoidal table shape. The distance between two adjacent ones of the louvered fins is 2 cm.
The cross flow fan, the control panel and the bidirectional micro motor are all connected with a power supply.
When the number of the flammable volatile matter detection modules is two or more, the air volume provided by each flammable volatile matter detection module in unit time in the effective detection area is the same. The unit time is integral multiple of the time of the louver blades swinging back and forth for one cycle.
The application provides a bus easily fires volatile substance monitoring devices, including casing, PCB base plate, the bus easily fires volatile substance monitoring air supply arrangement, the fan of giving vent to anger, easily fires detection sensor and operating condition instruction district.
The circuit structure is arranged on the PCB substrate, and because the circuit structure is not the technical scheme claimed by the application, the circuit structure on the PCB substrate is not described in the application, and the circuit structure can be recognized as long as the circuit structure can be realized.
The shell is relatively provided with an air inlet and an air outlet; in this application, air intake and air outlet department all have the design of some structures, for example fence formula structure, can effectively block the entering of foreign matter, can also be provided with structures such as filter screen in air intake or air outlet department to improve monitoring devices's life. And the fence structure at the air inlet is different from the fence structure at the air outlet, and the air flow rate is correspondingly influenced by the difference of the fence structures, so that the detection efficiency of the monitoring device is improved. The PCB substrate, the bus inflammable volatile matter monitoring and air supply device, the air outlet fan, the inflammable detection sensor and the working state indication area are all fixed in the shell.
The bus inflammable volatile matter monitoring air supply device and the air outlet fan are connected with the PCB substrate through wires; the external power supply provides power for the bus inflammable volatile matter monitoring air supply device and the air outlet fan through the electric interface and the PCB substrate, and meanwhile, the control module can also provide control signals for the bus inflammable volatile matter monitoring air supply device and the air outlet fan to adjust the rotating speed of a cross flow fan in the bus inflammable volatile matter monitoring air supply device or the rotating speed of the air outlet fan, and the swing speed of the bidirectional micro motor can also be adjusted.
The working state indicating area and the inflammable detection sensor are electrically connected with the PCB substrate; the upper side of the working state indicating area is arranged on the upper surface of the shell, and the acousto-optic display classification or alarm state provided by the working state indicating area can be observed outside the monitoring device.
Also includes an electrical interface; the electric interface is connected with the PCB substrate wire and the electric signal. The electric interface is connected with the power supply lead and is in electric signal connection with the communication bus and the control module.
The number of the flammability detection sensors is two or more.
The central point of the cross flow fan of the bus inflammable volatile matter monitoring air supply device, the central point of the louver blade, the central point of one of the inflammable detection sensors and the central point of the air outlet fan are connected on the same straight line. The power of the crossflow fan is less than that of the air outlet fan.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A bus inflammable volatile matter monitoring device is characterized in that a bus inflammable volatile matter monitoring air supply device is used, and the bus inflammable volatile matter monitoring air supply device comprises a cross flow fan, louver blades, a control panel, a bidirectional micro motor and a power supply;
the louver blades are connected with the bidirectional micro motor and driven by the bidirectional micro motor to swing back and forth;
the louver blades are arranged in front of the crossflow fan;
the cross flow fan, the control panel and the bidirectional micro motor are all connected with a power supply;
the effective detection area of the cross flow fan after the air outlet passes through the louver blades is in a trapezoidal table shape and corresponds to a plurality of inflammable volatile matter detection modules;
when the number of the flammable volatile matter detection modules is two or more, the air volume provided by each flammable volatile matter detection module in unit time by the effective detection area is the same;
the monitoring device also comprises a shell, a PCB substrate, an air outlet fan, a flammable detection sensor and a working state indicating area;
an air inlet and an air outlet are oppositely arranged on the shell, fences are arranged at the air inlet and the air outlet, and the fence at the air inlet is different from the fence at the air outlet in structure; the PCB substrate, the bus inflammable volatile matter monitoring and air supply device, the air outlet fan, the inflammable detection sensor and the working state indication area are all fixed in the shell; the bus inflammable volatile matter monitoring air supply device is opposite to the air inlet; the air outlet fan is opposite to the air outlet;
the bus inflammable volatile matter monitoring air supply device and the air outlet fan are both connected with the PCB substrate through wires;
the working state indicating area and the inflammable detection sensor are both in electric signal connection with the PCB substrate;
also includes an electrical interface; the electrical interface is connected with the PCB substrate wire and the electrical signal;
the central point of a cross flow fan and the central point of a louver blade in the bus inflammable volatile matter monitoring air supply device, and the connecting lines of the central point of one of the inflammable detection sensors and the central point of the air outlet fan are on the same straight line;
the power of the crossflow fan is less than that of the air outlet fan.
2. The bus flammable volatile monitoring device of claim 1, wherein the flammability detection sensors are two or more.
3. A bus flammable volatile substance monitoring device according to claim 1, wherein the electrical interface is connected to a power supply lead and is in electrical signal connection with a communication bus and a control module.
4. A bus flammable volatiles monitoring device according to claim 1 wherein the distance between two adjacent ones of the louvered fins is 2 cm.
5. A bus flammable volatile substance monitoring device according to claim 1, wherein the unit time is an integer multiple of the time that the louver blades swing back and forth for one cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100160.8A CN109164215B (en) | 2018-09-20 | 2018-09-20 | Bus inflammable volatile matter monitoring air supply device and monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100160.8A CN109164215B (en) | 2018-09-20 | 2018-09-20 | Bus inflammable volatile matter monitoring air supply device and monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109164215A CN109164215A (en) | 2019-01-08 |
| CN109164215B true CN109164215B (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811100160.8A Active CN109164215B (en) | 2018-09-20 | 2018-09-20 | Bus inflammable volatile matter monitoring air supply device and monitoring device |
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| CN (1) | CN109164215B (en) |
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| EP2339335A1 (en) * | 2009-12-14 | 2011-06-29 | Kidde Technologies Inc. | Sensor apparatus and method therefor |
| CN204063302U (en) * | 2013-08-23 | 2014-12-31 | 夏普株式会社 | Air-supply arrangement |
| CN205428125U (en) * | 2016-03-15 | 2016-08-03 | 姚冰 | Bus safety monitoring system |
| CN206132722U (en) * | 2016-08-30 | 2017-04-26 | 周扬 | Public transit safety bodyguard device |
| CN206420776U (en) * | 2016-12-08 | 2017-08-18 | 深圳市绿恩环保技术有限公司 | Gas concentration monitors sensing device |
| CN107452203A (en) * | 2017-09-07 | 2017-12-08 | 安徽芯核防务装备技术股份有限公司 | Bus is seted on fire early warning and monitoring platform |
| CN207148083U (en) * | 2017-09-25 | 2018-03-27 | 南京富朗星科技有限公司 | Volatile gas monitoring alarm device in a kind of bus |
| CN207300974U (en) * | 2017-10-20 | 2018-05-01 | 河南海瑞正检测技术有限公司 | In-car gas-detecting device and in-car gas detecting system |
| CN108169423A (en) * | 2017-12-25 | 2018-06-15 | 宁波精致诚检测技术服务有限公司 | A kind of portable air mass detecting instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200730810A (en) * | 2006-02-08 | 2007-08-16 | Chu-Mei Lin | Gas detection and alarm system |
-
2018
- 2018-09-20 CN CN201811100160.8A patent/CN109164215B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2339335A1 (en) * | 2009-12-14 | 2011-06-29 | Kidde Technologies Inc. | Sensor apparatus and method therefor |
| CN204063302U (en) * | 2013-08-23 | 2014-12-31 | 夏普株式会社 | Air-supply arrangement |
| CN205428125U (en) * | 2016-03-15 | 2016-08-03 | 姚冰 | Bus safety monitoring system |
| CN206132722U (en) * | 2016-08-30 | 2017-04-26 | 周扬 | Public transit safety bodyguard device |
| CN206420776U (en) * | 2016-12-08 | 2017-08-18 | 深圳市绿恩环保技术有限公司 | Gas concentration monitors sensing device |
| CN107452203A (en) * | 2017-09-07 | 2017-12-08 | 安徽芯核防务装备技术股份有限公司 | Bus is seted on fire early warning and monitoring platform |
| CN207148083U (en) * | 2017-09-25 | 2018-03-27 | 南京富朗星科技有限公司 | Volatile gas monitoring alarm device in a kind of bus |
| CN207300974U (en) * | 2017-10-20 | 2018-05-01 | 河南海瑞正检测技术有限公司 | In-car gas-detecting device and in-car gas detecting system |
| CN108169423A (en) * | 2017-12-25 | 2018-06-15 | 宁波精致诚检测技术服务有限公司 | A kind of portable air mass detecting instrument |
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| CN109164215A (en) | 2019-01-08 |
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