CN105096548A - Refrigerator commodity inspection system and method based on Zigbee communication mode - Google Patents
Refrigerator commodity inspection system and method based on Zigbee communication mode Download PDFInfo
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- CN105096548A CN105096548A CN201510532086.7A CN201510532086A CN105096548A CN 105096548 A CN105096548 A CN 105096548A CN 201510532086 A CN201510532086 A CN 201510532086A CN 105096548 A CN105096548 A CN 105096548A
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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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Abstract
The invention relates to a refrigerator commodity inspection system and method based on a Zigbee communication mode. The system comprises at least one refrigerator parameter acquisition unit, at least one Zigbee unit, a wireless route unit and a host computer. The refrigerator parameter acquisition unit is used for obtaining original parameters of refrigerators from main control boards of the refrigerators and sending the original parameters to the Zigbee unit; the Zigbee unit is used for performing AD conversion on the received original parameters to form parameter data and sending the parameter data to the host computer through the wireless route unit; and the host computer is used for determining whether the received parameter data exceeds a preset parameter threshold, if not, determining that the refrigerators are at a normal state, and if so, determining that the refrigerators are at an abnormal status. According to the invention, based on a Zigbee technology, commodity inspection can be simultaneously carried out on the multiple refrigerators with different models, the operation status of each refrigerator is accurately monitored in real time, instantaneous abnormities are discovered timely, corresponding processing is carried out, the application is convenient, and the cost is low.
Description
Technical field
The present invention relates to refrigerator field, particularly relate to a kind of refrigerator commodity inspection system and method based on Zigbee communication mode.
Background technology
In the production run of current refrigerator, can carry out commodity inspection to refrigerator after refrigerator punching note refrigerant, whether the basic operating conditions detecting refrigerator is qualified.Existing detection mode is, is provided with connects the checkout equipment of refrigerator at each station, the LCDs display of parameter refrigerator can run on each station, personal monitoring and judge that whether every platform refrigerator parameter is qualified.Current detection mode, can only display refrigerator run parameter, the temperature in each casing can not be shown; In addition, the maintenance expense (each station needs relevant device) not only needing high equipment and bring, and adopt the method for personal monitoring, the instantaneous exception that some station occurs cannot be real-time monitored, the short time that product occurs sometimes is abnormal, people is for can't detect, and therefore current detection mode exists certain hidden danger, and cost of labor expends larger simultaneously.
Summary of the invention
Technical matters to be solved by this invention provides a kind of and carries out commodity inspection system and method based on the accurately quick of Zigbee communication mode to refrigerator.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of refrigerator commodity inspection system based on Zigbee communication mode, comprises at least one refrigerator parameter acquisition unit, at least one Zigbee unit, wireless routing unit and host computer;
Described refrigerator parameter acquisition unit is used for the initial parameter obtaining refrigerator from the master control borad of refrigerator, and sends to described Zigbee unit;
Described Zigbee unit is used for the described initial parameter received being carried out AD conversion and forms supplemental characteristic, and sends to described host computer by described wireless routing unit;
Described host computer, for judging whether the described supplemental characteristic received exceeds parameter preset threshold value, if do not exceed, then judges that refrigerator is in normal condition, if exceed, then judges that unusual condition appears in refrigerator.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described initial parameter comprises the electrical quantity of refrigerator and the temperature parameter of refrigerator.
Further, described host computer comprises display unit, for showing described supplemental characteristic.
Further, described host computer comprises alarm unit, for reporting to the police when described host computer judges that unusual condition appears in refrigerator.
Further, described host computer is computing machine.
The another kind of technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of refrigerator commodity inspection method based on Zigbee communication mode, comprises the following steps:
Step S1, obtains the initial parameter of refrigerator from the master control borad of refrigerator;
Step S2, uses Zigbee unit described initial parameter to be carried out AD conversion and forms supplemental characteristic, and send to host computer by wireless routing unit;
Step S3, described host computer judges whether the described supplemental characteristic received exceeds parameter preset threshold value, if do not exceed, then judges that refrigerator is in normal condition, if exceed, then judges that unusual condition appears in refrigerator.
On the basis of technique scheme, the present invention can also do following improvement.
Further, in step S1, described initial parameter comprises the electrical quantity of refrigerator and the temperature parameter of refrigerator.
Further, described host computer is also for showing described supplemental characteristic.
Further, described host computer is also for judging to report to the police when unusual condition appears in refrigerator.
Further, described host computer is computing machine.
The invention has the beneficial effects as follows: the present invention is based on ZigBee technology, can realize carrying out commodity inspection to the refrigerator of multiple stage different model simultaneously, monitor every platform refrigerator operation conditions in real time accurately, Timeliness coverage is instantaneous abnormal and process accordingly, easy to use, can cost of labor be reduced; And Zigbee unit of the present invention has the low characteristic of cost, the maintenance cost that can reduce high equipment required in commodity inspection production run and bring.
Accompanying drawing explanation
Fig. 1 is the refrigerator commodity inspection system based on Zigbee communication mode described in the embodiment of the present invention one;
Fig. 2 is the refrigerator commodity inspection method based on Zigbee communication mode described in the embodiment of the present invention two.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Zigbee is the low-power consumption LAN protocol based on IEEE802.15.4 standard.ZigBee technology be a kind of low-power consumption, low cost, low rate, closely, short time-delay, high power capacity, high safety and unlicensed band wireless communication technology.Its low-power consumption is mainly reflected under low power consumption standby mode, and 2 joints No. 5 dry cells can support 1 node work 6 ~ 24 months, even longer; Compare, bluetooth can work several weeks, and WiFi can work a few hours.Its low cost is mainly reflected in Zigbee by significantly simplifying agreement (less than 1/10 of bluetooth), reduce the requirement to communication controler, by forecast analysis, with the 8 8-digit microcontroller measuring and calculating of 8051, Full Featured host node needs 32KB code, subfunction node is few to 4KB code, and Zigbee exempts from agreement patent royalty; The price of every chip block is approximately 2 dollars.Its low rate is mainly reflected in the speed that Zigbee is operated in 20 ~ 250kbps, the raw data throughput of 250kbps (2.4GHz), 40kbps (915MHz) and 20kbps (868MHz) is provided respectively, meets the application demand of lower rate transmissions data.It is closely mainly reflected in Zigbee transmission range generally between 10 ~ 100m, after increase emissive power, also rises to 1 ~ 3km; This refers to the distance between adjacent node; If by the relay of route and inter-node communication, transmission range can be farther.The response speed that its short time-delay is mainly reflected in Zigbee is very fast, generally proceeds to duty from sleep and only needs 15ms, and node connection enters network only needs 30ms, saves electric energy further; Compare, bluetooth needs 3 ~ 10s, WiFi to need 3s.Its high power capacity is mainly reflected in Zigbee can adopt starlike, sheet and mesh network topology, manages some child nodes, maximum host node ALARA Principle 254 child nodes by a host node; Host node also by last layer network node control, can form at most the large net of 65000 nodes simultaneously.Its high safety is mainly reflected in Zigbee and provides three level security patterns, comprise without security settings, use access control inventory (AccessControlList, ACL) prevent illegal acquisition number according to this and adopt Advanced Encryption Standard (AES128) symmetric cryptography, to determine its security attribute flexibly.Its unlicensed band is mainly reflected in Zigbee and uses industrial scientific medical (ISM) frequency range, 915MHz (U.S.), 868MHz (Europe), 2.4GHz (whole world).
Zigbee is mainly suitable for automatically controlling and remote control field, can embed various equipment.Zigbee protocol is respectively Physical layer (PHY), MAC layer (MAC), transport layer (TL), network layer (NWK), application layer (APL) etc. from top to bottom.Wherein Physical layer and MAC layer follow the regulation of IEEE802.15.4 standard.Briefly, Zigbee is a kind of highly reliable wireless data sending network, is similar to CDMA and GSM network.The transmission mode of Zigbee is similar to mobile network base station.Communication distance from the 75m of standard to hundreds of rice, several kilometers, and support infinite expanding.The present invention utilizes the above-mentioned characteristic of Zigbee and supports the feature of serial communication, increases the communication of Zigbee and refrigerator mainboard in the commodity inspection software program of refrigerator, monitors, realize intelligent commodity inspection to the electrical quantity of refrigerator and temperature parameter.
Fig. 1 is the refrigerator commodity inspection system based on Zigbee communication mode described in the embodiment of the present invention one.
As shown in Figure 1, a kind of refrigerator commodity inspection system based on Zigbee communication mode, comprise host computer and slave computer, one end of described slave computer is connected with the master control borad of refrigerator, and the other end is connected with described host computer.
Wherein said slave computer comprises at least one refrigerator parameter acquisition unit, at least one Zigbee unit and wireless routing unit, and wherein said refrigerator parameter acquisition unit is identical with the quantity of described Zigbee unit.
Described one end of refrigerator parameter acquisition unit is connected with the master control borad of refrigerator, described refrigerator parameter acquisition unit can be connected with the master control borad of refrigerator by wired or wireless mode, the other end of described refrigerator parameter acquisition unit is connected with one end of described Zigbee unit, and described in each, refrigerator parameter acquisition unit correspondence connects master control borad and a described Zigbee unit of a refrigerator; The other end of described Zigbee unit is connected with one end of described wireless routing unit, and the other end of described wireless routing unit is connected with described host computer.
Described refrigerator parameter acquisition unit is used for the initial parameter obtaining refrigerator from the master control borad of refrigerator, and sends to described Zigbee unit; The process that wherein said refrigerator parameter acquisition unit obtains the initial parameter of refrigerator from the master control borad of refrigerator can be the initial parameter initiatively being sent refrigerator by the master control borad of refrigerator to described refrigerator parameter acquisition unit according to predeterminated frequency, and wherein said predeterminated frequency can be arranged as required; Described initial parameter comprises the electrical quantity of refrigerator, the temperature parameter etc. of refrigerator.According to the diversity of acquisition parameter, described refrigerator parameter acquisition unit also specifically can be divided into refrigerator electrical quantity and gather subelement, refrigerator temperature parameter acquisition subelement etc.
Described Zigbee unit is used for the described initial parameter received being carried out AD conversion and forms supplemental characteristic, and sends to described host computer by described wireless routing unit;
Described host computer is for judging whether the described supplemental characteristic received exceeds parameter preset threshold value, if described supplemental characteristic does not exceed described parameter preset threshold value, then judge that refrigerator is in normal condition, if described supplemental characteristic exceeds described parameter preset threshold value, then judge that unusual condition appears in refrigerator.
Described host computer comprises display unit, for showing described supplemental characteristic, is convenient to the real time execution situation of checking every platform refrigerator.
Described host computer also comprises alarm unit, for reporting to the police when described host computer judges that unusual condition appears in refrigerator.
If the described refrigerator commodity inspection system based on Zigbee communication mode carries out commodity inspection to multiple stage refrigerator simultaneously, then can find out the refrigerator of abnormal parameters according to anomaly parameter data fast, keep in repair in time.
Store the standard operational parameter data of different model refrigerator in described host computer, and arrange different error tolerance values for the refrigerator of different model, described standard operational parameter data and described error tolerance value together constitute described parameter preset threshold value.After described host computer receives the supplemental characteristic of the multiple stage refrigerator that described wireless routing unit sends, supplemental characteristic can be carried out traversal with the parameter preset threshold value of its storage and compare, realize the Monitor in time to refrigerator running status.
Described host computer can be computing machine.
Fig. 2 is the refrigerator commodity inspection method based on Zigbee communication mode described in the embodiment of the present invention two.
Based on a refrigerator commodity inspection method for Zigbee communication mode, comprise the following steps:
Step S1, obtains the initial parameter of refrigerator from the master control borad of refrigerator; Described initial parameter comprises the electrical quantity of refrigerator and the temperature parameter of refrigerator.
Step S2, uses Zigbee unit described initial parameter to be carried out AD conversion and forms supplemental characteristic, and send to host computer by wireless routing unit;
Step S3, described host computer judges whether the described supplemental characteristic received exceeds parameter preset threshold value, if described supplemental characteristic does not exceed described parameter preset threshold value, then judge that refrigerator is in normal condition, if described supplemental characteristic exceeds described parameter preset threshold value, then judge that unusual condition appears in refrigerator.
Described host computer is also for showing described supplemental characteristic and judging to report to the police when unusual condition appears in refrigerator.Wherein, described host computer can be computing machine.
In the description of this instructions, concrete grammar, device or feature that the description of reference term " embodiment one ", " embodiment two ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, method, device or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. based on a refrigerator commodity inspection system for Zigbee communication mode, it is characterized in that, comprise at least one refrigerator parameter acquisition unit, at least one Zigbee unit, wireless routing unit and host computer;
Described refrigerator parameter acquisition unit is used for the initial parameter obtaining refrigerator from the master control borad of refrigerator, and sends to described Zigbee unit;
Described Zigbee unit is used for the described initial parameter received being carried out AD conversion and forms supplemental characteristic, and sends to described host computer by described wireless routing unit;
Described host computer, for judging whether the described supplemental characteristic received exceeds parameter preset threshold value, if do not exceed, then judges that refrigerator is in normal condition, if exceed, then judges that unusual condition appears in refrigerator.
2. the refrigerator commodity inspection system based on Zigbee communication mode according to claim 1, it is characterized in that, described initial parameter comprises the electrical quantity of refrigerator and the temperature parameter of refrigerator.
3. the refrigerator commodity inspection system based on Zigbee communication mode according to claim 1, it is characterized in that, described host computer comprises display unit, for showing described supplemental characteristic.
4. the refrigerator commodity inspection system based on Zigbee communication mode according to claim 1, it is characterized in that, described host computer comprises alarm unit, for reporting to the police when described host computer judges that unusual condition appears in refrigerator.
5. the refrigerator commodity inspection system based on Zigbee communication mode according to any one of claim 1-4, it is characterized in that, described host computer is computing machine.
6., based on a refrigerator commodity inspection method for Zigbee communication mode, it is characterized in that, comprise the following steps:
Step S1, obtains the initial parameter of refrigerator from the master control borad of refrigerator;
Step S2, uses Zigbee unit described initial parameter to be carried out AD conversion and forms supplemental characteristic, and send to host computer by wireless routing unit;
Step S3, described host computer judges whether the described supplemental characteristic received exceeds parameter preset threshold value, if do not exceed, then judges that refrigerator is in normal condition, if exceed, then judges that unusual condition appears in refrigerator.
7. the refrigerator commodity inspection method based on Zigbee communication mode according to claim 6, is characterized in that, in step S1, described initial parameter comprises the electrical quantity of refrigerator and the temperature parameter of refrigerator.
8. the refrigerator commodity inspection method based on Zigbee communication mode according to claim 6, is characterized in that, described host computer is also for showing described supplemental characteristic.
9. the refrigerator commodity inspection method based on Zigbee communication mode according to claim 6, is characterized in that, described host computer is also for judging to report to the police when unusual condition appears in refrigerator.
10. the refrigerator commodity inspection method based on Zigbee communication mode according to any one of claim 6-9, it is characterized in that, described host computer is computing machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510532086.7A CN105096548A (en) | 2015-08-24 | 2015-08-24 | Refrigerator commodity inspection system and method based on Zigbee communication mode |
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| CN201510532086.7A CN105096548A (en) | 2015-08-24 | 2015-08-24 | Refrigerator commodity inspection system and method based on Zigbee communication mode |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070265743A1 (en) * | 2006-05-09 | 2007-11-15 | Omron Corporation | Inspection apparatus |
| CN202485809U (en) * | 2012-03-28 | 2012-10-10 | 佛山市顺德区奥达信电器有限公司 | Temperature data collection device |
| CN203053481U (en) * | 2013-01-18 | 2013-07-10 | 中国计量学院 | Wireless energy efficiency testing system of refrigerator based on ZigBee technology |
| CN104764288A (en) * | 2015-03-17 | 2015-07-08 | 广东奥马电器股份有限公司 | Refrigerator detection method of dynamic cooling line |
| CN204965706U (en) * | 2015-08-24 | 2016-01-13 | 合肥美的电冰箱有限公司 | Refrigerator commodity inspection device based on zigbee communication mode |
-
2015
- 2015-08-24 CN CN201510532086.7A patent/CN105096548A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070265743A1 (en) * | 2006-05-09 | 2007-11-15 | Omron Corporation | Inspection apparatus |
| CN202485809U (en) * | 2012-03-28 | 2012-10-10 | 佛山市顺德区奥达信电器有限公司 | Temperature data collection device |
| CN203053481U (en) * | 2013-01-18 | 2013-07-10 | 中国计量学院 | Wireless energy efficiency testing system of refrigerator based on ZigBee technology |
| CN104764288A (en) * | 2015-03-17 | 2015-07-08 | 广东奥马电器股份有限公司 | Refrigerator detection method of dynamic cooling line |
| CN204965706U (en) * | 2015-08-24 | 2016-01-13 | 合肥美的电冰箱有限公司 | Refrigerator commodity inspection device based on zigbee communication mode |
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Application publication date: 20151125 |