CN106023549A - ZigBee based refrigerator experiment apparatus applied remote alarm system - Google Patents
ZigBee based refrigerator experiment apparatus applied remote alarm system Download PDFInfo
- Publication number
- CN106023549A CN106023549A CN201610535414.3A CN201610535414A CN106023549A CN 106023549 A CN106023549 A CN 106023549A CN 201610535414 A CN201610535414 A CN 201610535414A CN 106023549 A CN106023549 A CN 106023549A
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- signal
- zigbee
- experimental provision
- alarm
- refrigerator
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a ZigBee based refrigerator experiment apparatus applied remote alarm system, which comprises a ZigBee based refrigerator experiment apparatus applied induction processor and a plurality of ZigBee based alarm devices. The alarm system utilizes and senses the conditions of light that is emitted from the alarm of the refrigerator experiment apparatus in an alarming state. Then the collected light signals are processed, analyzed, and finally connected to an external emission antenna and sent out through a ZigBee module. The plurality of ZigBee based alarm receives data sent from the induction processor through an external receiving antenna, unpacks the data, and restores the data into a data packet format for a signal processor. After being processed by the signal processor, the data are sent to a sound and light alarm which makes alarms according to the signal information so as to remind the work staff of the working state of the refrigerator experiment apparatus for corresponding treatment instantly.
Description
Technical field
The present invention relates to refrigerator test alarm technique field, particularly relate to a kind of refrigerator experimental provision remote alarming system based on ZigBee.
Background technology
At present, in order to ensure the rights and interests of consumers in general, refrigerator, before being sold to market, is required for, through relevant technical quality qualification, selling just the most qualified product can come into the market.When refrigerator is carried out qualification, the indoor experimental provision of refrigerator performance test needs non-stop run in 24 hours, i.e. meet not power-off in 24 hours, do not cut off the water supply, the factor such as equipment subsystem.Due to can not handling changing of power supply, water supply and outside air temperature, the warning of experimental provision power-off phase sequence, insufficient water liquid level warning and compressor can be caused to report to the police.Need manually to reset after refrigerator performance test equipment alarm, and restart refrigerator experimental apparatus for capability, so, this is accomplished by staff and uninterruptedly waits at laboratory for 24 hours, thus ensures being normally carried out of experiment.But, manual oversight is constantly present the problem such as error, leak source investigation, and manpower expends relatively big, bothersome takes a lot of work, inefficient.
Summary of the invention
It is an object of the invention to provide a kind of refrigerator experimental provision remote alarming system based on ZigBee, it is possible to according to experiment failure condition, remotely transmission fault-signal is to management personnel, keeps in repair in time, it is ensured that being normally carried out of experiment；On duty without 24 hours, save trouble and labor, and work efficiency can be improved.
The technical solution used in the present invention is:
A kind of refrigerator experimental provision remote alarming system based on ZigBee, including refrigerator experimental provision based on ZigBee sensing processor and multiple reaction alarm based on ZigBee；Described refrigerator experimental provision sensing processor based on ZigBee includes that side is provided with the casing of multiple photographic hole and external transmitting antenna, alarm signal acquisition module and the signal processing module of the light crossing-signal of refrigerator experimental provision it is provided with in casing, the alarm signal acquisition module of the light crossing-signal of described refrigerator experimental provision includes the first photoconductive resistance, second photoconductive resistance and analog-digital converter, first photoconductive resistance and the second photoconductive resistance are fixed at photographic hole, first photoconductive resistance and the second photoconductive resistance series connection, the signal receiving end of analog-digital converter is connected between the first photoconductive resistance and the second photoconductive resistance, the signal transmitting terminal of analog-digital converter connects the receiving terminal of signal processing module；Described signal processing module filters high fdrequency component and noise signal by digital filtering, then according to residual signal, judging that refrigerator experimental provision is in alarm condition or normal operating conditions, the signal output part of signal processing module connects external transmitting antenna by ZigBee module；Described reaction alarm based on ZigBee includes pedestal box body, external reception antenna, audible-visual annunciator and electric power connection line, audible-visual annunciator is fixed on pedestal box body, ZigBee module and signal processor it is provided with in pedestal box body, external reception antenna connects the signal receiving end of signal processor by ZigBee module, the signal of signal processor controls end and connects the controlled end of audible-visual annunciator, and electric power connection line connects the feeder ear of signal processor.
Described external transmitting antenna uses sucked type wireless antenna.
Described external reception antenna uses glue stick antenna.
Described electric power connection line is provided with two-way, and a road uses plug type power connecting line, and another road uses USB power source connecting line.
The present invention utilizes refrigerator experimental provision based on ZigBee sensing processor, the light conditions that the alarm of sensing refrigerator experimental provision self is sent in an alarm state；Carry out the light signal collected again processing, analyzing, connect external transmitting antenna finally by ZigBee module and launch；After multiple reaction alarms based on ZigBee receive, by external reception antenna, the data that refrigerator experimental provision sensing processor based on ZigBee is sent, unpacked, it is reduced into the data packet format of signal processor encapsulation, after signal processor is analyzed, judge refrigerator pilot system state in which, and control audible-visual annunciator and correspondingly report to the police, remind staff's refrigerator experimental provision duty, make in time and correspondingly processing；Save trouble and labor, and work efficiency can be improved.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of the present invention；
Fig. 2 is the fundamental diagram of refrigerator experimental provision based on the ZigBee sensing processor of the present invention；
Fig. 3 is the reaction alarm work schematic diagram based on ZigBee of the present invention.
Detailed description of the invention
As it is shown in figure 1, the present invention includes refrigerator experimental provision 1 based on ZigBee sensing processor and multiple reaction alarm based on ZigBee；With sensing processor, described refrigerator experimental provision 1 based on ZigBee includes that side is provided with the casing 3 of multiple photographic hole 4 and external transmitting antenna 5, described external transmitting antenna 5 uses sucked type wireless antenna.Alarm signal acquisition module and the signal processing module of the light crossing-signal 2 of refrigerator experimental provision 1 it is provided with in casing 3, the alarm signal acquisition module of the light crossing-signal 2 of described refrigerator experimental provision 1 includes the first photoconductive resistance R1, second photoconductive resistance R2 and analog-digital converter ADC, first photoconductive resistance R1 and the second photoconductive resistance R2 is fixed at photographic hole 4, first photoconductive resistance R1 and the second photoconductive resistance R2 series connection, the signal receiving end of analog-digital converter ADC is connected between the first photoconductive resistance R1 and the second photoconductive resistance R2, the signal transmitting terminal of analog-digital converter ADC connects the receiving terminal of signal processing module；Described signal processing module filters high fdrequency component and noise signal by digital filtering, then according to residual signal, judging that refrigerator experimental provision 1 is in alarm condition or normal operating conditions, the signal output part of signal processing module connects external transmitting antenna 5 by ZigBee module；Described reaction alarm based on ZigBee includes pedestal box body 6, external reception antenna 8, audible-visual annunciator 7 and electric power connection line 9.Described external reception antenna 8 uses glue stick antenna；Described electric power connection line 9 is provided with two-way, and a road uses plug type power connecting line, and another road uses USB power source connecting line.Audible-visual annunciator 7 is fixed on pedestal box body 6, ZigBee module and signal processor it is provided with in pedestal box body 6, external reception antenna 8 connects the signal receiving end of signal processor by ZigBee module, the signal of signal processor controls end and connects the controlled end of audible-visual annunciator 7, and electric power connection line 9 connects the feeder ear of signal processor.
Describe the operation principle of the present invention below in conjunction with the accompanying drawings in detail:
Native system mainly includes emitting portion and receiving portion, wherein, emitting portion is refrigerator experimental provision 1 based on ZigBee sensing processor, it is arranged at the side of the light crossing-signal 2 of refrigerator experimental provision 1, can directly experience, by photographic hole 4, the light conditions that light crossing-signal is sent in an alarm state；Carry out the light signal collected again processing, analyzing, go out finally by wireless transmit.Another part is multiple reaction alarms based on ZigBee, and reaction alarm is provided with multiple, needs the place reported to the police in being placed as required on allowed band.Refrigerator experimental provision 1 based on ZigBee is with sensing processor and to react alarm be to realize wireless self-networking and communicating each other by ZigBee.Network topology structure is mesh network, and one refrigerator experimental provision 1 based on ZigBee of configuration sensing processor, configures multiple reaction alarm simultaneously in the entire network.Carry out radio communication by topological network again and report to the police.
As in figure 2 it is shown, be the refrigerator experimental provision 1 based on the ZigBee fundamental diagram with sensing processor of the present invention, the alarm signal acquisition module of the light crossing-signal 2 of refrigerator experimental provision 1 is made up of two photoconductive resistance (R1, R2) and analog-digital converter (ADC).When refrigerator experimental provision 1 occurs extremely sending alarm signal, red light (Light1) is bright, and green light (Light2) goes out；According to electric resistance partial pressure principle, the first photoconductive resistance R1 resistance declines rapidly, and the second photoconductive resistance R2 resistance rises rapidly, and P level point rises rapidly.When refrigerator experimental provision 1 enters normal operating conditions, red light (Light1) goes out, and green light (Light2) is bright, and the first photoconductive resistance R1 resistance rises rapidly, and the second photoconductive resistance R2 resistance declines rapidly, and P level point declines rapidly.When the unexpected power-off of refrigerator experimental provision 1, red light (Light1) goes out, and green light (Light2) goes out, and now the first photoconductive resistance R1 and the second photoconductive resistance R2 resistance are close to equal, and P level point approximates.P level point forms differential signal, by analog-digital converter ADC Real-time Collection P point current potential, collection signal is sent to signal processing module.Signal processing module can use 51 single-chip microcomputers to realize.First the noise signal that the differential signal collected analog-digital converter ADC filters signal high fdrequency component by digital filter and random disturbances causes, then according to residual signal, it is judged that refrigerator experimental facilities is in alarm condition or normal operating conditions.And it is presently in state (red light represents that alarm condition, amber light represent refrigerator experimental provision 1 off-mode, and green light represents normal operating conditions) by three display lamp display refrigerator experimental facilitiess of the red, yellow, and green in reaction alarm.Then by current state encapsulated data packet, it is sent to ZigBee module by RS232 serial communication bus, utilizes external transmitting antenna 5 to launch.ZigBee module mainly uses CC2530 chip to make, and has been internally integrated Zigbee protocol stack, and has been arranged to Coordinator.After receiving the data that signal processing module is sent, the packet being wrapped into into applicable ZigBee communication is sent to react alarm.
As it is shown on figure 3, the ZigBee module in reaction alarm module mainly uses CC2530 chip to make, it is internally integrated Zigbee protocol stack, and has been arranged to Router.After receiving, by external reception antenna 8, the data that refrigerator experimental provision 1 sensing processor based on ZigBee is sent, content according to bag, unpacked, it is reduced into the data packet format of signal processor encapsulation, after signal processor processes, it is then forwarded to audible-visual annunciator 7, audible-visual annunciator 7 is according to the signal message received, control reddish yellow green three display lamps display refrigerator testing equipment is presently in state, and (red light represents alarm condition, amber light represents refrigerator experimental provision 1 off-mode, green light represents normal operating conditions), when when red or amber light are bright, show that refrigerator experimental provision 1 is in alarm condition or power-down state, open distal end audible-visual annunciator 7, alarm signal is sent to staff.When green light, close far-end audible-visual annunciator 7, alarm release.
Native system is made up of a refrigerator experimental provision 1 based on ZigBee sensing processor and multiple reaction alarm based on ZigBee.The alarm condition of Real-time Collection refrigerator experimental provision 1 is responsible for by sensing processor, and is sent to collection result react alarm.Whole system has MANET feature, when network topology structure changes, it is possible to achieve the automatic restructuring of network, has stronger robustness.Reaction alarm can be distributed in different rooms (in the range of wireless signal can cover), so, testing crew stays in refrigerator laboratory without whole day, can complete the work of multiple test chamber simultaneously, thus save human resources, improve human resources utilization and lead.
Claims (4)
1. a refrigerator experimental provision remote alarming system based on ZigBee, it is characterised in that: include refrigerator experimental provision based on ZigBee sensing processor and multiple reaction alarm based on ZigBee；Described refrigerator experimental provision sensing processor based on ZigBee includes that side is provided with the casing of multiple photographic hole and external transmitting antenna, alarm signal acquisition module and the signal processing module of the light crossing-signal of refrigerator experimental provision it is provided with in casing, the alarm signal acquisition module of the light crossing-signal of described refrigerator experimental provision includes the first photoconductive resistance, second photoconductive resistance and analog-digital converter, first photoconductive resistance and the second photoconductive resistance are fixed at photographic hole, first photoconductive resistance and the second photoconductive resistance series connection, the signal receiving end of analog-digital converter is connected between the first photoconductive resistance and the second photoconductive resistance, the signal transmitting terminal of analog-digital converter connects the receiving terminal of signal processing module；Described signal processing module filters high fdrequency component and noise signal by digital filtering, then according to residual signal, judging that refrigerator experimental provision is in alarm condition or normal operating conditions, the signal output part of signal processing module connects external transmitting antenna by ZigBee module；Described reaction alarm based on ZigBee includes pedestal box body, external reception antenna, audible-visual annunciator and electric power connection line, audible-visual annunciator is fixed on pedestal box body, ZigBee module and signal processor it is provided with in pedestal box body, external reception antenna connects the signal receiving end of signal processor by ZigBee module, the signal of signal processor controls end and connects the controlled end of audible-visual annunciator, and electric power connection line connects the feeder ear of signal processor.
Refrigerator experimental provision remote alarming system based on ZigBee the most according to claim 1, it is characterised in that: described external transmitting antenna uses sucked type wireless antenna.
Refrigerator experimental provision remote alarming system based on ZigBee the most according to claim 1, it is characterised in that: described external reception antenna uses glue stick antenna.
Refrigerator experimental provision remote alarming system based on ZigBee the most according to claim 1, it is characterised in that: described electric power connection line is provided with two-way, and a road uses plug type power connecting line, and another road uses USB power source connecting line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610535414.3A CN106023549A (en) | 2016-07-08 | 2016-07-08 | ZigBee based refrigerator experiment apparatus applied remote alarm system |
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| CN201610535414.3A CN106023549A (en) | 2016-07-08 | 2016-07-08 | ZigBee based refrigerator experiment apparatus applied remote alarm system |
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| CN201610535414.3A Pending CN106023549A (en) | 2016-07-08 | 2016-07-08 | ZigBee based refrigerator experiment apparatus applied remote alarm system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109064714A (en) * | 2018-08-03 | 2018-12-21 | 杭州看啊贸易有限公司 | A kind of remote control warning device |
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Application publication date: 20161012 |
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