CN113295825A - Inflammable volatile matter monitoring and alarming system and method with sterilization and disinfection functions - Google Patents
Inflammable volatile matter monitoring and alarming system and method with sterilization and disinfection functions Download PDFInfo
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- CN113295825A CN113295825A CN202110563425.3A CN202110563425A CN113295825A CN 113295825 A CN113295825 A CN 113295825A CN 202110563425 A CN202110563425 A CN 202110563425A CN 113295825 A CN113295825 A CN 113295825A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N33/0004—Gaseous mixtures, e.g. polluted air
Abstract
The invention provides a flammable volatile matter monitoring and alarming system with sterilization and disinfection functions, which comprises: the primary detection unit is used for detecting the concentration of dangerous gas in the air; the display and alarm unit is electrically connected with the primary detection unit and is used for displaying the concentration of the dangerous gas detected by the primary detection unit and triggering an alarm action when the concentration of the dangerous gas exceeds a threshold value; and the purification rechecking unit is used for purifying air flowing through and detecting the concentration of the dangerous gas when the primary detection unit fails to detect, and is electrically connected with the display and alarm unit. The invention also discloses a flammable volatile matter monitoring and alarming method which comprises the monitoring and alarming system. The invention can monitor and alarm inflammable volatile matters in the carriage of the bus, and can sterilize, disinfect and purify the air in the carriage.
Description
Technical Field
The invention relates to the technical field of public transportation safety, in particular to a combustible volatile matter monitoring and alarming system and method with a sterilization and disinfection function for a bus.
Background
In the urban passenger transport market, buses have the characteristics of economy and convenience compared with other transportation modes, the passenger flow of the buses is the largest, people going to and going out are complex, and the taking safety, sanitation and health of passengers in a carriage are concerned. On one hand, the bus station is in an open state, necessary security equipment and measures are lacked, and the events that criminals carry flammable and explosive dangerous goods to take the bus to cause passenger casualties are frequent. On the other hand, a bus compartment belongs to an area with high personnel density, relatively closed space and high personnel mobility, a closed small environment is easily formed in the compartment, pathogenic bacteria and dust are carried in air-conditioning circulating air when people are crowded, the quality of air in the compartment is very poor, and the problem that the bus is not solved is always solved. At present, current bus easily fires volatile substance monitoring alarm system detects suspicious article that the passenger of getting on the bus carried through the mode that uncaps and detects, judges whether dangerous article through detecting volatile gas concentration and kind to the suggestion of reporting to the police, nevertheless to air purification, bacterium killing in the bus carriage or rely on traditional air conditioner purification and ultraviolet germicidal system. Therefore, under the condition of normal prevention and control of the new coronary pneumonia epidemic situation, the flammable volatile matter monitoring and alarming system with the sterilization and disinfection function can effectively ensure the personal safety and the body health of the passengers of the bus, and comprehensively solve the problems of potential flammable volatile matter detection, air purification in a carriage and bacterial sterilization.
Disclosure of Invention
The inflammable volatile matter monitoring and alarming system and method with the sterilization and disinfection functions provided by the invention can monitor and alarm inflammable volatile matters in a bus compartment, and can sterilize, disinfect and purify air in the compartment, so that the problems in the background art are solved.
In order to solve the technical problems, the invention adopts the following technical scheme:
a flammable volatile substance monitoring and alarming system with sterilization and disinfection functions comprises:
the primary detection unit is used for detecting the concentration of dangerous gas in the air;
the display and alarm unit is electrically connected with the primary detection unit and is used for displaying the concentration of the dangerous gas detected by the primary detection unit and triggering an alarm action when the concentration of the dangerous gas exceeds a threshold value; and
and the purification rechecking unit is used for purifying air flowing through and detecting the concentration of the dangerous gas when the primary detection unit fails to detect, and is electrically connected with the display and alarm unit.
Preferably, the primary inspection unit is a security inspection instrument, and the security inspection instrument comprises an air suction fan arranged in the security inspection instrument, a first gas sensor used for detecting the concentration of the hazardous gas, a first calculation processing module used for receiving detection data of the gas sensor and calculating the concentration of the gas, and a first communication module used for receiving the data processed by the first calculation processing module and electrically connecting the display and alarm unit.
Preferably, the display and alarm unit comprises a second communication module for receiving data of the first communication module, a second calculation processing module for receiving data of the second communication module and comparing the data with a preset threshold, an alarm module for triggering an alarm action when the detected data is greater than the threshold, and a display module for displaying the concentration value and the position of the hazardous gas.
Preferably, the purification reinspection unit comprises a shell, a base fixedly arranged at the bottom of the shell, an upper cover arranged at the top of the shell, and a purification and reinspection module arranged in an inner cavity of the shell and used for purifying and reinspecting the concentration of the hazardous gas, wherein uniformly distributed air inlets are formed in the top of the upper cover, and air outlets are formed in the side wall of the shell.
Preferably, the shell is connected with the external thread at the top end of the base through the internal thread at the bottom end of the shell, and the upper cover is connected with the external thread at the top end of the shell through the internal thread at the bottom end of the upper cover.
Preferably, the purification and rechecking module comprises a purification module, a rechecking module and a calculation processing module III, wherein the purification module comprises a filter element arranged on the inner wall of the shell below the upper cover, a centrifugal fan arranged at the top of the base and axially distributed along the shell, an air duct arranged at the top of the base and positioned at the air outlet end of the centrifugal fan, and a negative oxygen ion generator arranged at the top of the air duct; and the third calculation processing module is a main circuit board, and a main processor, a centrifugal fan connector, a power supply and communication harness connector and a negative oxygen ion generator connector are respectively arranged on the main circuit board.
Preferably, the main circuit board is fixedly arranged on the base through a fixing screw, the main circuit board is connected with a power supply and a communication wiring harness which are connected with a connector and embedded in the side wall of the shell through a power supply and communication wiring harness connector, the main circuit board is connected with the display and alarm unit through the power supply and communication wiring harness, the rechecking module comprises an auxiliary circuit board connected with the main circuit board through an auxiliary circuit board connector, an auxiliary processor arranged on the auxiliary circuit board, and a second gas sensor used for rechecking the concentration of the dangerous gas.
Preferably, the inner wall of the shell is provided with a rib plate, the rib plate is provided with a rib plate threaded hole, and the auxiliary circuit board is mounted on the rib plate threaded hole through a mounting screw.
Preferably, the centrifugal fan is fixedly arranged on the base through a mounting hole arranged on the side wall of the centrifugal fan and a mounting screw matched with the mounting hole, and the centrifugal fan is connected with the centrifugal fan connector through a fan power line and used for obtaining a power supply; the air duct is fixedly arranged on the base through a lower fixing hole arranged at the bottom end of the air duct and a mounting screw matched with the hole; the negative oxygen ion generator is fixed on an upper fixing hole at the top end of the air duct through a mounting screw passing through a lifting lug mounting hole on the negative oxygen ion generator, the negative oxygen ion generator is connected with the negative oxygen ion generator connector through a negative oxygen ion generator power line, and a negative oxygen ion probe passing through the outer wall of the air duct and arranged in the air duct is arranged at the output end of the negative oxygen ion generator.
The invention also discloses a flammable volatile matter monitoring and alarming method, which comprises the monitoring and alarming system and comprises the following steps:
the primary detection unit detects the concentration of dangerous gas in the air and transmits the detected data to the display and alarm unit;
the display and alarm unit is used for displaying the concentration of the dangerous gas detected by the initial detection unit and triggering an alarm action when the concentration of the dangerous gas exceeds a threshold value;
the purification rechecking unit purifies air flowing through the periphery of the purification rechecking unit, rechecks the concentration of harmful gas in the air flowing through the purification rechecking unit, and transmits the detected concentration data of the dangerous gas to the display and alarm unit.
According to the technical scheme, the invention has the following beneficial effects:
1. the monitoring and alarming system comprises a primary detection unit, a display and alarm unit and a purification and rechecking unit, wherein the primary detection unit can carry out primary detection on articles entering a carriage and send a detection result to the display and alarm unit, the display and alarm unit receives the concentration of flammable and volatile hazardous article gas sent by the primary detection unit, and a built-in alarm module is used for carrying out sound-light alarm reminding according to a set alarm threshold value and an alarm strategy; the purification reinspection unit can reinspects the article that enter into in the carriage when the unit is examined to the primary inspection unit hourglass, and the gas sensor of establishing in it can detect the dangerous gas concentration that mingles with in the air of convection current, and filter core and negative oxygen ion generator can disinfect, disinfect and purify the convection current air simultaneously to realize the function of disinfecting the purification to accurate detection and warning, to the convection current air sterilization of dangerous gas in the bus carriage.
2. In the invention, a plurality of purification reinspection units are arranged in a matrix form or a triangular form or an S-shaped form to form a relatively closed area for detection, so that the gas sensor in the purification reinspection units can detect the concentration value of the dangerous gas in a carriage in a short time while accelerating the air flow speed in the closed area, and the detection and alarm speed of the flammable volatile substance detection alarm system is improved.
Drawings
FIG. 1 is a diagram of the monitoring alarm system of the present invention;
FIG. 2 is a view showing an appearance structure of the cleaning and reinspection unit;
FIG. 3 is an exploded view of the decontamination review unit;
FIG. 4 is an exploded view of the internal components of the decontamination review unit;
FIG. 5 is an internal structure view of the cleaning and reinspection unit;
FIG. 6 is a schematic gas flow diagram of a purge reinspection unit;
FIG. 7 is a schematic diagram of a matrix arrangement of the decontamination review units;
FIG. 8 is a schematic view of a triangular arrangement of the purification and reinspection units;
FIG. 9 is a schematic view of an S-shaped arrangement of the decontamination review unit.
In the figure: 10. a primary inspection unit, 11, a suction fan, 12, a first gas sensor, 13, a first calculation processing module, 14, a first communication module, 20, a display and alarm unit, 21, a second communication module, 22, a second calculation processing module, 23, an alarm module, 24, a display module, 30, a purification and reinspection unit, 310, a shell, 311, an air outlet, 312, a connector hole, 313, a rib plate, 3131, a rib plate threaded hole, 320, a base, 330, an upper cover, 331, an air inlet, 340, a purification and reinspection module, 3410, a purification module, 3411, a filter core, 3412, a centrifugal fan, 34121, a mounting hole, 34122, a negative fan power line, 3413, an air duct 34131, a lower fixing hole, 34132, an upper fixing hole, 34133, a probe hole, 3414, a negative oxygen ion generator, 34141, a lifting lug mounting hole, 34142, an oxygen ion probe, 34143, a negative oxygen ion generator power line, 3420, a reinspection module, 3421, a secondary inspection module, 34121, a, The device comprises an auxiliary circuit board, a 3422, an auxiliary processor, a 3423, a second gas sensor, a 3430, a main circuit board, a 3431, a main processor, a 3432, a centrifugal fan connector, a 3433, a power supply and communication harness connector, a 3434, an oxygen anion generator connector, a 3435, a power supply and communication harness, a 3436 and an auxiliary circuit board connector.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
the monitoring and alarming system can be applied to public places needing to monitor the concentration of the dangerous gas, such as markets, public transportation and the like, and takes the field of public transportation as an example.
Referring to fig. 1, a flammable volatile substance monitoring and alarming system with sterilization and disinfection functions includes:
the primary detection unit 10 is used for detecting the concentration of dangerous gas in the air;
the display and alarm unit 20 is electrically connected with the primary detection unit and is used for displaying the concentration of the dangerous gas detected by the primary detection unit and triggering an alarm action when the concentration of the dangerous gas exceeds a threshold value; and
a purification and reinspection unit 30 for purifying the air flowing through and detecting the concentration of the dangerous gas when the primary detection unit fails to detect, the rechecking unit is electrically connected with the display and alarm unit, when in use, the display and alarm unit is arranged on an instrument desk in front of a driver, the primary inspection unit is arranged near a handrail upright post of an upper door of a bus or a slot machine, the purification rechecking units can be arranged into a plurality, and are distributed on the floor of the carriage of the bus or under the seats of passengers, the information and the data are interacted among the three in a CAN communication mode, the concentration of dangerous gas in the air is detected by using an initial detection unit, the detected data is transmitted to a display and alarm unit 20, and the display and alarm unit is used for displaying the concentration of the dangerous gas detected by the initial detection unit and triggering an alarm action when the concentration of the dangerous gas exceeds a threshold value; the purification reinspection unit 30 purifies the air flowing through around it, can reinspect the concentration of harmful gas in the air when the primary detection unit is missed to examine simultaneously to carry the dangerous gas concentration data that detect to show and alarm unit, consequently can monitor and report to the police the volatile matter of easily firing in the bus carriage and remind, can disinfect disinfection and purification treatment to the air in the carriage again.
As a preferable technical scheme of the invention, the primary inspection unit 10 is a security inspection instrument, and the security inspection instrument comprises an air suction fan 11 arranged in the security inspection instrument, a first gas sensor 12 used for detecting the concentration of hazardous gas, a first calculation processing module 13 used for receiving the detection data of the gas sensor and calculating the concentration of the gas, and a first communication module 14 used for receiving the data processed by the first calculation processing module and electrically connecting the display and alarm unit, so that when a passenger gets on the bus with a flammable and volatile hazardous article, a bus driver requires the passenger to approach the security inspection instrument with the article, the air flowing through the flammable and volatile hazardous article is blown to the first gas sensor by the air suction fan in the security inspection instrument, the concentration value of the hazardous gas detected by the first calculation processing module is increased, and the detection result is sent to the display and alarm unit through the communication module.
Further, the display and alarm unit 20 includes a second communication module 21 for receiving the data of the first communication module 14, a second calculation processing module 22 for receiving the data of the second communication module and comparing the data with a preset threshold, an alarm module 23 for triggering an alarm action when the detected data is greater than the threshold, and a display module 24 for displaying a concentration value and a position of a hazardous gas, so that the second communication module receives the gas concentration value of the flammable and volatile hazardous material sent by the security check instrument, compares information through the second calculation processing module according to the set alarm threshold and an alarm strategy, and performs an audible and visual alarm by using the built-in alarm module when the detected concentration of the hazardous gas is greater than the set threshold, wherein the alarm module can adopt an audible and visual alarm.
Referring to fig. 2 and 3, as a preferred technical solution of the present invention, the purification and review unit 30 includes a housing 310, a base 320 fixedly disposed at the bottom of the housing, an upper cover 330 disposed at the top of the housing, and a purification and review module 340 disposed in the inner cavity of the housing for purifying and reviewing the concentration of the hazardous gas, the top of the upper cover is provided with uniformly distributed air inlets 331, and the side wall of the housing is provided with air outlets 311, so that, when the primary review unit fails to review, the passengers carry flammable and volatile hazardous materials into the compartments of the bus, the purification and review units distributed in the compartments attract the air in the compartments to detect the concentration of the hazardous gas and send the detection result to the display and alarm unit, and in addition, after the air enters the housing through the air inlets, the air can be purified, sterilized and disinfected through a purification module disposed in the housing, thereby improving the quality of the air in the compartments.
Further, the shell 310 is connected with the outer thread of the top end of the base through the inner thread of the bottom end of the shell, the upper cover 330 is connected with the outer thread of the top end of the shell through the inner thread of the bottom end of the shell, and therefore the upper cover and the shell and the base are screwed and fixed through the threads.
Referring to fig. 1, as a preferred technical solution of the present invention, the purifying and rechecking module 340 includes a purifying module 3410, a rechecking module 3420, and a third calculating and processing module, and further, referring to fig. 4-6, the purifying module includes a filter 3411 disposed on the inner wall of the housing below the upper cover, centrifugal fans 3412 disposed on the top of the base and axially distributed along the housing, an air duct 3413 disposed on the top of the base and located at the air outlet end of the centrifugal fans, and a negative oxygen ion generator 3414 disposed on the top of the air duct; the third calculation processing module is a main circuit board 3430, which is provided with a main processor 3431, a centrifugal fan connector 3432, a power and communication harness connector 3433 and a negative oxygen ion generator connector 3434, the main circuit board 3430 is fixed on the base 320 by fixing screws, and the main circuit board 3430 is connected with a power and communication harness 3435 embedded in the side wall of the housing by a connector of the power and communication harness and connected with the display and alarm unit 20 by the power and communication harness, the rechecking module 3420 comprises an auxiliary circuit board 3421 connected with the main circuit board by an auxiliary circuit board connector 3436, an auxiliary processor 3422 arranged on the auxiliary circuit board and a second gas sensor 3423 for rechecking the concentration of the dangerous gas, further, the inner wall of the housing 310 is provided with a rib plate 313, which is provided with a threaded hole 3131 of the rib plate, the auxiliary circuit board is mounted on the threaded hole of the rib plate by mounting screws, specifically, the filter core is a silver ion filter core, and air in the carriage enters from the air inlet and flows to the silver ion filter core so as to disinfect, purify and filter the flowing air; the negative oxygen ion generator obtains a power supply from the main circuit board through the negative oxygen ion generator connector and generates high-concentration negative oxygen ions into the air duct; the centrifugal fan enters air from the axial direction and exits air from the lateral direction, and the air outlet of the centrifugal fan is right opposite to the air channel, so that the air flowing through can be sterilized, disinfected and purified by using negative oxygen ions in the air channel; one end of the power supply and communication wiring harness is connected with the power supply and communication wiring harness connector, the other end of the power supply and communication wiring harness connector is screwed on the connector hole 312 on the shell through threads, and the end of the power supply and communication wiring harness connector is connected with the display and alarm unit and used for acquiring a power supply and transmitting data from the display and alarm unit; in addition, the gas sensor II on the auxiliary circuit board is used for rechecking the concentration of dangerous gas in the flowing air, the concentration value is sent to the main processor after the concentration value is calculated and processed by the auxiliary processor, and the gas concentration value is sent to the display and alarm unit through the main circuit board.
Further, the centrifugal fan 3412 is fixed to the base through a mounting hole 34121 provided in a side wall thereof and a mounting screw fitted to the hole, and is connected to the centrifugal fan connector through a fan power line 34122 for obtaining power supply; the air duct 3413 is fixed to the base through a lower fixing hole 34131 provided at a bottom end thereof and a mounting screw matched with the hole; the negative oxygen ion generator 3414 is fixed on an upper fixing hole 34132 at the top end of the air channel through a lifting lug mounting hole 34141 on the negative oxygen ion generator by a mounting screw, the negative oxygen ion generator is connected with the negative oxygen ion generator connector through a negative oxygen ion generator power line 34143, a negative oxygen ion probe 34142 which penetrates through the outer wall of the air channel and is arranged inside the air channel is arranged at the output end of the negative oxygen ion generator, and a probe hole 34133 is formed in the corresponding air channel and generates high-concentration negative oxygen ions after being electrified.
In addition, referring to fig. 7-9, a plurality of purification reinspection units 30 are distributed in the compartment of the bus and installed below the floor of the compartment or the passenger seat, because the length of the compartments of the bus is different, in order to cover the entire effective area in the compartment, a larger number of purification reinspection units are required, which increases the cost of the system, in order to reduce the number of purification reinspection units, because the centrifugal fan can change the direction of the gas flowing through, and further, a plurality of purification reinspection units can be combined, as shown in the legend, to form a matrix arrangement form, a triangle arrangement form and an S-shaped arrangement form. In same combination, purify the air outlet of reinspection unit and aim at another one of the same internal purification reinspection unit to constitute a relative closed area that detects, when accelerating the air flow velocity in closed area, make purify the interior gas sensor two of reinspection unit and can detect the interior hazardous gas concentration value of carriage with shorter time, improved easily fire volatile matter and detected alarm system's detection and alarm speed, be favorable to improving the practicality.
Wherein, purify reinspection unit working process as follows:
(1) the air in the carriage enters from the air inlet under the suction action of the centrifugal fan 3412 and flows to the purification and review module 340;
(2) the air flows through the air inlet to the silver ion filter 3411, and the silver ion filter sterilizes the air flowing through and filters dust entrained in the air to purify the air, but does not affect hazardous gas molecules entrained in the air;
(3) the air sterilized and purified by the silver ion filter element flows to an axial air inlet of the centrifugal fan through an auxiliary circuit board 3421 and a second gas sensor 3423, the auxiliary processor 3422 detects the concentration of dangerous gas entrained in the air flowing through the second gas sensor and transmits the concentration to the main processor 3431, when the concentration value of the dangerous gas exceeds an alarm threshold value set in the main processor, an alarm signal is generated and transmitted to the display and alarm unit 20, and the display module 24 and the alarm module 23 give an alarm to a driver;
(4) the air is blown out from the side direction of the centrifugal fan under the action of the centrifugal fan 3412, and flows to the air channel 3413, and the air inlet direction and the air outlet direction of the centrifugal fan are perpendicular, so that the flow direction of the air can be changed, and the air is blown to the air channel from the air outlet of the centrifugal fan;
(5) the negative oxygen ion probe 34142 is positioned in the air duct, continuously generates high-concentration negative oxygen ions in the air duct, and the negative oxygen ions have high activity and strong redox effect and sterilize, disinfect and purify air flowing through the air duct, so that the quality of the flowing air is improved;
(6) the air in the air duct flows out through the air outlet 311 of the housing, and flows to the bus compartment again.
The invention also discloses a flammable volatile matter monitoring and alarming method, which comprises the monitoring and alarming system and comprises the following steps:
the primary detection unit 10 detects the concentration of dangerous gas in the air and transmits the detected data to the display and alarm unit;
the display and alarm unit 20 is used for displaying the concentration of the dangerous gas detected by the initial detection unit and triggering an alarm action when the concentration of the dangerous gas exceeds a threshold value;
the purification rechecking unit 30 purifies air flowing through the periphery thereof, rechecks the concentration of hazardous gas in the air flowing through, and transmits the detected concentration data of the hazardous gas to the display and alarm unit.
The working principle is as follows: when passengers get on the bus with flammable and volatile dangerous goods, a bus driver requires the passengers to enable the goods to approach a security check instrument, an air suction fan 11 in the security check instrument blows air flowing through the flammable and volatile dangerous goods to a gas sensor I12, so that the concentration value of the dangerous gas detected by a calculation processing module I13 is increased, the detection result is sent to a display and alarm unit 20 through a communication module I14, the display and alarm unit receives the gas concentration value of the flammable and volatile dangerous goods sent by the security check instrument, an internal alarm module 23 is used for sound-light alarm reminding according to a set alarm threshold value and an alarm strategy, and the specific dangerous gas concentration value and the specific position of alarm occurring in a carriage are displayed on a display module 24; if the security check instrument has a missed check, when passengers carry flammable and volatile dangerous goods to enter the carriage of the bus, the centrifugal fans 3412 in the purification and reinspection unit 30 distributed in the carriage attract air in the carriage and blow the air to the internal gas sensor II 3423, and the detection result of the gas concentration is sent to the display and alarm unit 20 to carry out sound-light alarm reminding on the driver.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (10)
1. A flammable volatile substance monitoring alarm system with sterilization and disinfection functions is characterized by comprising:
the primary detection unit (10) is used for detecting the concentration of dangerous gas in the air;
the display and alarm unit (20) is electrically connected with the primary detection unit and is used for displaying the concentration of the dangerous gas detected by the primary detection unit and triggering an alarm action when the concentration of the dangerous gas exceeds a threshold value; and
and the purification rechecking unit (30) is used for purifying air flowing through and detecting the concentration of the dangerous gas when the primary detection unit fails to detect, and is electrically connected with the display and alarm unit.
2. The monitoring and alarm system according to claim 1, wherein the primary inspection unit (10) is a security inspection instrument, and the security inspection instrument comprises an air suction fan (11) arranged in the security inspection instrument, a first gas sensor (12) for detecting the concentration of the hazardous gas, a first calculation and processing module (13) for receiving the detection data of the first gas sensor and calculating the concentration of the gas, and a first communication module (14) for receiving the data processed by the first calculation and processing module and electrically connecting the display and alarm unit.
3. The monitoring and alarm system according to claim 2, wherein the display and alarm unit (20) comprises a second communication module (21) for receiving the first communication module (14) data, a second calculation processing module (22) for receiving the second communication module data and comparing with a preset threshold, an alarm module (23) for triggering an alarm action when the detected data is greater than the threshold, and a display module (24) for displaying the concentration value and the position of the hazardous gas.
4. The monitoring and alarm system according to claim 3, wherein the purification and reinspection unit (30) comprises a housing (310), a base (320) fixedly arranged at the bottom of the housing, an upper cover (330) arranged at the top of the housing, and a purification and reinspection module (340) arranged in the inner cavity of the housing and used for purifying and reinspecting the concentration of the hazardous gas, wherein the top of the upper cover is provided with uniformly distributed air inlets (331), and the side wall of the housing is provided with air outlets (311).
5. The monitoring and alarm system according to claim 4, wherein the housing (310) is connected to the external thread of the top end of the base by the internal thread of the bottom end thereof, and the upper cover (330) is connected to the external thread of the top end of the housing by the internal thread of the bottom end thereof.
6. The monitoring and alarm system of claim 5, wherein the purification and review module (340) comprises a purification module (3410), a review module (3420) and a calculation and processing module III, the purification module comprises a filter element (3411) arranged on the inner wall of the housing below the upper cover, centrifugal fans (3412) arranged on the top of the base and axially distributed along the housing, an air duct (3413) arranged on the top of the base and positioned at the air outlet end of the centrifugal fans, and a negative oxygen ion generator (3414) arranged on the top of the air duct; the third computing and processing module is a main circuit board (3430), and the main circuit board is provided with a main processor (3431), a centrifugal fan connector (3432), a power supply and communication harness connector (3433) and a negative oxygen ion generator connector (3434).
7. The monitoring and alarm system according to claim 6, wherein the main circuit board (3430) is fixed on the base (320) by fixing screws, and the main circuit board is connected with a power and communication harness (3435) embedded in the side wall of the housing by a connector of the power and communication harness, and is connected with the display and alarm unit (20) by the power and communication harness, and the rechecking module (3420) comprises an auxiliary circuit board (3421) connected with the main circuit board by an auxiliary circuit board connector (3436), an auxiliary processor (3422) arranged on the auxiliary circuit board, and a second gas sensor (3423) for rechecking the concentration of the hazardous gas.
8. The monitoring alarm system according to claim 7, wherein the inner wall of the housing (310) is provided with a rib plate (313), the rib plate is provided with a rib plate threaded hole (3131), and the auxiliary circuit board is mounted on the rib plate threaded hole through a mounting screw.
9. The monitoring alarm system according to claim 6 or 7, wherein the centrifugal fan (3412) is fixed to the base through a mounting hole (34121) provided in a sidewall thereof and a mounting screw matched with the hole, and the centrifugal fan is connected to the centrifugal fan connector through a fan power line (34122) for obtaining a power supply; the air duct (3413) is fixedly arranged on the base through a lower fixing hole (34131) arranged at the bottom end of the air duct and a mounting screw matched with the hole; the negative oxygen ion generator (3414) is fixed on an upper fixing hole (34132) at the top end of the air duct through a lifting lug mounting hole (34141) formed in the negative oxygen ion generator through a mounting screw, the negative oxygen ion generator is connected with the negative oxygen ion generator connector through a negative oxygen ion generator power line, and a negative oxygen ion probe (34142) penetrating through the outer wall of the air duct and arranged inside the air duct is arranged at the output end of the negative oxygen ion generator.
10. A flammable volatile monitoring alarm method including the monitoring alarm system of any one of claims 1-9, comprising the steps of:
the primary detection unit (10) detects the concentration of dangerous gas in the air and transmits the detected data to the display and alarm unit;
the display and alarm unit (20) is used for displaying the concentration of the dangerous gas detected by the initial detection unit and triggering an alarm action when the concentration of the dangerous gas exceeds a threshold value;
the purification rechecking unit (30) purifies air flowing through the periphery of the purification rechecking unit, rechecks the concentration of harmful gas in the flowing air, and transmits the detected concentration data of the dangerous gas to the display and alarm unit.
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| CN202110563425.3A CN113295825A (en) | 2021-05-24 | 2021-05-24 | Inflammable volatile matter monitoring and alarming system and method with sterilization and disinfection functions |
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| CN202110563425.3A CN113295825A (en) | 2021-05-24 | 2021-05-24 | Inflammable volatile matter monitoring and alarming system and method with sterilization and disinfection functions |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102582399A (en) * | 2012-03-06 | 2012-07-18 | 珠海东之尼电子科技有限公司 | Vehicle-mounted health warning indicator |
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| CN112193026A (en) * | 2020-09-14 | 2021-01-08 | 浙江鼎信空调科技(集团)有限公司 | Public transport vehicle capable of early warning and preventing dangerous microorganisms from diffusing |
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| CN102582399A (en) * | 2012-03-06 | 2012-07-18 | 珠海东之尼电子科技有限公司 | Vehicle-mounted health warning indicator |
| WO2017143472A1 (en) * | 2016-02-22 | 2017-08-31 | 深圳市元征科技股份有限公司 | Vehicle interior-compartment air-quality regulation system |
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