CN203588427U - Infrared body induction triggered fumigation gas alarm device - Google Patents
Infrared body induction triggered fumigation gas alarm device Download PDFInfo
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- CN203588427U CN203588427U CN201320835727.2U CN201320835727U CN203588427U CN 203588427 U CN203588427 U CN 203588427U CN 201320835727 U CN201320835727 U CN 201320835727U CN 203588427 U CN203588427 U CN 203588427U
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Abstract
The utility model relates to an infrared body induction triggered fumigation gas alarm device which comprises a single-chip microcomputer processer and storage module, a PID (photo-ionization detector) sensor interface module, an infrared body induction module, a sound and light alarm output module, an RS485 serial port communication module, a wireless communication module based on ZigBee technology and a display output and keyboard input module. According to safety requirements of operators in a chemical dosing room in a large fumigation area of an inspection and quarantine port, the infrared body induction triggered fumigation gas alarm device can automatically judge whether the operators move in the chemical dosing room or not and starts a fumigation gas detection task as needed. When fumigation gas concentration exceeds a set safety value, sound and light alarm is started, and detection values are transmitted to a data monitoring center in real time. The infrared body induction triggered fumigation gas alarm device has the advantages that the detection task is started as needed, the service life of a PID is prolonged, and running and maintaining costs of the fumigation gas alarm device are reduced.
Description
Technical field
The utility model relates to a kind of infrared human body and responds to trigger-type fumigating gas warning device, and whether especially a kind of can have the movable fumigating gas warning device that also starts as required fumigating gas Detection task of operating personnel in the stifling quarantine processing of automatic decision drug-throwing chamber.
Background technology
According to the related request of stifling quarantine cleanup standard, in the stifling processing procedure of quarantining in inspection and quarantine port, need fumigating gas concentration in stifling pond, the stifling reservoir area of Real-Time Monitoring to guarantee quarantine treatment effect, also should monitor simultaneously and in drug-throwing chamber, whether exist the situation of fumigating gas leakage to ensure operator safety.In inward log methyl bromide fumigation disinfection technology, regulation methyl bromide gas concentration safety value is 1ppm, the detection target that reaches as above trace or trace gas concentration, need to could realize by high sensitivity and high-precision fumigating gas concentration detection apparatus.While carrying out now the fumigating gas concentration Detection task of long-time, wide region, conventionally use heat-conducted fumigating gas concentration detection apparatus, its fumigating gas concentration testing result is reliable and stable, but during for trace or trace fumigating gas concentration Detection task, because sensitivity and the precision of thermal conductivity sensor are all lower, cannot meet the demand of high precision Detection task in fumigating gas low strength range.For realizing above-mentioned Detection task, can select optic ionized sensor (PID).PID-A1 type sensor accuracy of detection and sensing range are respectively 0.1ppm and 0～6000ppm, can meet the interior high precision detection of the low strength range demand that inspection and quarantine port fumigating gas is reported to the police, but due to PID filament service time short (its nominal only has 5000 hours service time) and the more high deficiency of replacement cost, the fumigating gas concentration detection alarm task that therefore cannot use for a long time PID sensor to carry out.
Summary of the invention
For solving problems of the prior art, the utility model provides a kind of infrared human body induction trigger-type fumigating gas warning device, can in automatic decision drug-throwing chamber, whether have the movable fumigating gas Detection task that also starts as required of operating personnel.In drug-throwing chamber, fumigating gas concentration surpasses while setting safety value, starts sound and light alarm, and fumigating gas concentration detected value is delivered to data monitor center in real time and carry out respective handling.Its advantage is: the demand that has met the interior high precision detection alarm task of fumigating gas low strength range in the drug-throwing chamber of stifling reservoir area, inspection and quarantine port, having realized Detection task starts as required, extend the serviceable life of PID sensor, reduced the operation and maintenance cost of fumigating gas concentration detection alarm device.
Technical solutions of the utility model are as follows:
Described infrared human body induction trigger-type fumigating gas warning device comprises processor of single chip computer and memory module and optic ionized sensor (PID) interface module being connected with described processor of single chip computer and memory module respectively, infrared human body induction module, sound and light alarm output module, RS485 serial communication modular, the wireless communication module based on ZigBee technology and shows output and keyboard load module.
Described PID sensor interface module can be by the digital signal module of processor of single chip computer and memory module processing for fumigating gas concentration information being converted to.
Whether described infrared human body induction module is for having the movable module that also starts as required fumigating gas concentration Detection task of operating personnel in automatic decision drug-throwing chamber.
Described sound and light alarm output module is sound light alarming circuit.
Described RS485 serial communication modular is to possess by serial bus mode to realize the module that infrared human body induction trigger-type fumigating gas warning device is communicated by letter with data monitor center.
The described wireless communication module based on ZigBee technology is to possess by ZigBee technology communication to realize the module that infrared human body induction trigger-type fumigating gas warning device is communicated by letter with data monitor center.
In described demonstration output and keyboard load module, show that output module is to possess the oneself state of real-time demonstration infrared human body induction trigger-type fumigating gas concentration alarm device and the module of fumigating gas concentration value, keyboard load module is to possess the module that infrared human body induction trigger-type fumigating gas concentration alarm device parameter function is set.
The utility model is by being used PID sensor interface module to meet the demand of fumigating gas concentration detection alarm task in the drug-throwing chamber of stifling reservoir area, inspection and quarantine port, by introducing infrared human body induction module, realized the function that Detection task starts as required, extend the serviceable life of PID, reduced the operation and maintenance cost of fumigating gas low concentration high precision detection alarm device.
Accompanying drawing explanation
Fig. 1 is the infrared human body induction trigger-type fumigating gas warning device composition module block diagram that the utility model provides.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Figure 1 shows that the composition module block diagram of the utility model infrared human body induction trigger-type fumigating gas warning device, this infrared human body induction trigger-type fumigating gas warning device comprises processor of single chip computer and memory module and optic ionized sensor (PID) interface module being connected with described processor of single chip computer and memory module respectively, infrared human body induction module, sound and light alarm output module, RS485 serial communication modular, the wireless communication module based on ZigBee technology and shows output and keyboard load module.
In the present embodiment, it is as follows that each module is carried out function:
1. processor of single chip computer and memory module: the Detection task receiving from infrared human body induction module starts trigger pip, lights PID filament, start fumigating gas concentration Detection task; From PID sensor interface module, obtain fumigating gas concentration signal, converting to can processing signals, and according to certain hour interval storage fumigating gas concentration detected value; Fumigating gas concentration detected value is sent to demonstration output module in real time; Control sound and light alarm output module by changing hummer audible frequency and red led light on and off frequency with warning operator safety; Control RS485 serial communication modular or the wireless communication module based on ZigBee technology are responded to fumigating gas concentration detected value in trigger-type fumigating gas warning device self duty and drug-throwing chamber by infrared human body and are sent to data monitoring center; Control RS485 serial communication modular or the reception of the wireless communication module based on ZigBee technology from the instruction of data monitor center and complete the setting to correlation function in infrared human body induction trigger-type fumigating gas warning device;
2. PID sensor interface module: sensor model number is PID-A1, by the contact pin in plug PID sensor base, can complete the replacing of sensor on circuit board, this module is to possess to convert fumigating gas concentration signal in drug-throwing chamber to module that processor of single chip computer and memory module can processing signals;
3. infrared human body induction module: module model is HC-SR501, by the row's pin on plug-in module base, can complete the replacing of this module on circuit board, (sector angle 100 degree in the monitored covering of the fan region of infrared human body induction module in drug-throwing chamber, 3～5 meters of distances) sense when operating personnel are movable, infrared human body induction module interrupts and starts fumigating gas concentration Detection task to the request of processor of single chip computer immediately, Detection task duration is generally 30 minutes, in this process, sense again when operating personnel are movable, Detection task restarts countdown in 30 minutes, in this process, do not sense when operating personnel are movable, notice processor of single chip computer stops Detection task, close PID filament,
4. sound and light alarm output module: with buzzer call and red led light on and off action, fumigating gas concentration alert status in indication mechanism self duty and drug-throwing chamber, fumigating gas concentration is limit safely and is set as alarm condition, what increase that fumigating gas concentration limits safely 60% is set as pre-alarm state simultaneously, with buzzer call and red led light on and off under height frequency different conditions, move to represent alarm condition and pre-alarm state, allow in drug-throwing chamber operating personnel for the impression of the dangerous situation grade of fumigating gas leakage situation;
5. RS485 serial communication modular: by RS485 serial communication modular, the induction of the utility model infrared human body triggers and makes fumigating gas warning device fumigate reservoir area hardware facility in compatible built inspection and quarantine port, saved the transformation and upgrade cost of stifling reservoir area drug-throwing chamber before this, can processor of single chip computer and memory module instruction and data be sent to data monitor center by RS485 serial communication modular, also can receive from the instruction of data monitor center and send to processor of single chip computer and memory module, and complete the setting to parameter function in infrared human body induction trigger-type fumigating gas concentration alarm device,
6. the wireless communication module based on ZigBee technology: processor of single chip computer and memory module instruction and data are converted to wireless signal transmission and send, or receive wireless signal transmission and send to processor of single chip computer and memory module, then or as relay, complete the transmission of wireless signals in monitoring network;
7. show output and keyboard load module: by showing that output module shows oneself state and the fumigating gas concentration detected value of infrared human body induction trigger-type fumigating gas concentration alarm device in real time, the parameter function of infrared human body induction trigger-type fumigating gas concentration alarm device is set by keyboard load module, by keyboard load module, can also does to eliminate the noise to device alarm condition and process.
The utility model is not limited to above-mentioned embodiment, and for persons skilled in the art, any apparent change of under the prerequisite that does not deviate from the utility model principle, it being done, does not all exceed the protection domain of the application's claims.
Claims (7)
1. an infrared human body is responded to trigger-type fumigating gas warning device, its feature is, optic ionized sensor (PID) interface module that comprises processor of single chip computer and memory module and be connected with described processor of single chip computer and memory module respectively, infrared human body induction module, sound and light alarm output module, RS485 serial communication modular, the wireless communication module based on ZigBee technology and demonstration output and keyboard load module.
2. infrared human body according to claim 1 is responded to trigger-type fumigating gas warning device, its feature is, described PID sensor interface module is for converting fumigating gas concentration information to the digital signal module that can be processed by processor of single chip computer and memory module.
3. infrared human body according to claim 1 is responded to trigger-type fumigating gas warning device, its feature is, whether described infrared human body induction module is for there being in can automatic decision drug-throwing chamber operating personnel movable and start as required the module of fumigating gas Detection task.
4. infrared human body according to claim 1 induction trigger-type fumigating gas warning device, its feature is, described sound and light alarm output module is sound light alarming circuit.
5. infrared human body according to claim 1 is responded to trigger-type fumigating gas warning device, its feature is, described RS485 serial communication modular is to possess by serial bus mode to realize the module that infrared human body induction trigger-type fumigating gas warning device is communicated by letter with data monitor center.
6. infrared human body according to claim 1 is responded to trigger-type fumigating gas warning device, its feature is, the described wireless communication module based on ZigBee technology is to possess by ZigBee technology communication to realize the module that infrared human body induction trigger-type fumigating gas warning device is communicated by letter with data monitor center.
7. infrared human body according to claim 1 is responded to trigger-type fumigating gas warning device, its feature is, in described demonstration output and keyboard load module, show that load module is to possess the oneself state of real-time demonstration infrared human body induction trigger-type fumigating gas concentration alarm device and the module of fumigating gas concentration value, keyboard load module is to possess the module that infrared human body induction trigger-type fumigating gas concentration alarm device parameter function is set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320835727.2U CN203588427U (en) | 2013-12-18 | 2013-12-18 | Infrared body induction triggered fumigation gas alarm device |
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| CN201320835727.2U CN203588427U (en) | 2013-12-18 | 2013-12-18 | Infrared body induction triggered fumigation gas alarm device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646515A (en) * | 2013-12-18 | 2014-03-19 | 中国检验检疫科学研究院 | Infrared human body induction triggering type fumigant gas alarming device |
| CN104950342A (en) * | 2015-06-29 | 2015-09-30 | 孙敏 | Mouse and fly bioinstrumentation circuit in health quarantine IoT (Internet of Things) |
| CN109308791A (en) * | 2018-11-23 | 2019-02-05 | 成都工业学院 | The smoked device control method of one kind and the smoked device of intelligence |
-
2013
- 2013-12-18 CN CN201320835727.2U patent/CN203588427U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646515A (en) * | 2013-12-18 | 2014-03-19 | 中国检验检疫科学研究院 | Infrared human body induction triggering type fumigant gas alarming device |
| CN104950342A (en) * | 2015-06-29 | 2015-09-30 | 孙敏 | Mouse and fly bioinstrumentation circuit in health quarantine IoT (Internet of Things) |
| CN104950342B (en) * | 2015-06-29 | 2017-06-16 | 马军 | Mouse fly biological detection circuit in a kind of health quarantine Internet of Things |
| CN109308791A (en) * | 2018-11-23 | 2019-02-05 | 成都工业学院 | The smoked device control method of one kind and the smoked device of intelligence |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20161218 |