CN102798267B - Method for preventing false alarm caused by temperature rising resulting from defrosting - Google Patents
Method for preventing false alarm caused by temperature rising resulting from defrosting Download PDFInfo
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- CN102798267B CN102798267B CN201210322128.0A CN201210322128A CN102798267B CN 102798267 B CN102798267 B CN 102798267B CN 201210322128 A CN201210322128 A CN 201210322128A CN 102798267 B CN102798267 B CN 102798267B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000000630 rising effect Effects 0.000 title abstract description 3
- 238000010257 thawing Methods 0.000 title abstract 7
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000013021 overheating Methods 0.000 abstract 2
- 238000005057 refrigeration Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a method for preventing false alarm caused by temperature rising resulting from defrosting. The method comprises the following specific steps: (1) acquiring and recording ambient temperature values by a temperature acquiring and recording instrument; (2) calculating the characteristic values of the time from the valley value to the peak value and the difference between the peak value and the valley value, and storing the calculated characteristic values in a storage chip; and (3) comparing the temperature value change characteristic and the storage characteristic value when an upper limit is exceeded, and defining whether the temperature variation at the moment is caused by defrosting through comparison, if so, do not carry out overheating alarm and carry out defrosting time delay detection, if the defrosting preset time is exceeded, sending out a defrosting overtime prompting message, and otherwise, carrying out overheating alarm. The method has the advantage that false alarm caused by defrosting is avoided to a certain extent, error judgment by users is avoided, the manpower and material resources are saved, and the production efficiency is improved.
Description
Technical field
The present invention relates to false alarm technical field, specifically a kind ofly to avoid because defrost causes temperature rise to cause the method for false alarm, it is applied to Temperature sampler, Cold Storage Control device, humiture recorder etc.
Background technology
Along with people are to the raising of refrigeration awareness, increasing food, medicine use freezer to store, and temperature SMS alarm instrument, humiture recorder containing SMS alarm function are by application gradually.Traditional alarm can be reported to the police immediately when temperature exceeds higher limit, if there is SMS alarm function will send note immediately.If variation of ambient temperature is even, cause the outside cause of temperature jump without defrost, enabling etc., traditional type of alarm well will play warning function.But reality is really not so.The temperature rise that such as defrost causes is normal in freezer, but can cause temperature over-range and send warning message.This normal temperature rise can be sent to manager by the mode of reporting to the police, and particularly sends to manager with short message mode.Due to manager not at the scene, easily cause manager panic, or adopt the mode of mistake to control the operation of freezer.In the course of time manager or the temperature rise alarm decision by exception are Normal Alarm, thus report to the police ineffective.
Summary of the invention
In order to overcome the deficiency of conventional temperature alarm, the invention provides and a kind ofly avoid because defrost causes temperature rise to cause the method for false alarm; The temperature rise shielding that effectively will cause because of defrost, and defrost is monitored in real time, understand reminding user when exceeding defrost preset time.
The present invention realizes with following technical scheme: a kind ofly avoid because defrost causes temperature rise to cause the method for false alarm, comprises the study of temperature value, data characteristics calculates and alarm condition defines three parts; Concrete steps are as follows:
(1) temperature acquisition recorder is to the collection of ambient temperature value and memory;
(2) temperature acquisition recorder rises to the time needed for peak value to temperature value from valley and the characteristic mathematical between peak value and the difference of valley calculates, and is stored in storage chip by the characteristic value of calculating;
(3) compare exceeding Temperature numerical variation characteristic and the characteristic value be stored in storage chip in limited time, by comparing whether the variations in temperature defined now is that defrost causes; If the temperature rise that defrost causes, then do not carry out overtemperature alarm, but carry out defrost time delay detection, if exceed defrost preset time, send defrost time-out prompting message; If not the temperature rise that defrost causes, then carry out overtemperature alarm.
operation principle: temperature acquisition recorder converts environment temperature to temperature value by Chip Microcomputer A/D and is stored in storage chip; Carry out computational analysis to temperature data and result is stored as rising to characteristic mathematical between the required time of peak value and peak value and the difference of valley to temperature value from valley and calculating, and the characteristic value of calculating is stored in storage chip; Exceed Temperature numerical variation characteristic in limited time to compare, by comparing whether the variations in temperature defined now is that defrost causes with storage characteristic value.
The invention has the beneficial effects as follows: by the analysis to temperature of ice house change curve, the temperature rise shielding effectively will caused because of defrost, and defrost is monitored in real time, reminding user is understood when exceeding defrost preset time, user is avoided to produce erroneous judgement, save man power and material, improve production efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is flow chart of steps of the present invention;
Fig. 2 is temperature changing curve diagram A;
Fig. 3 is temperature changing curve diagram B.
Detailed description of the invention
As shown in Figure 1, a kind ofly avoid because defrost causes temperature rise to cause the method for false alarm, comprise the study of temperature value, data characteristics calculates and alarm condition defines three parts; Concrete steps are as follows:
(1) temperature acquisition recorder is to the collection of ambient temperature value and memory;
(2) temperature acquisition recorder calculates the characteristic mathematical that temperature value rises between the required time of peak value and peak value and the difference of valley from valley memory, and is stored in storage chip by the characteristic value of calculating;
(3) on exceeding, Temperature numerical variation characteristic compares, by comparing whether the variations in temperature defined now is that defrost causes with storage characteristic value in limited time; If the temperature rise that defrost causes, then do not carry out overtemperature alarm, but carry out defrost time delay detection, if exceed defrost preset time, send defrost time-out prompting message; If not the temperature rise that defrost causes, then carry out overtemperature alarm.
In the present embodiment, temperature acquisition recorder converts environment temperature to temperature value by Chip Microcomputer A/D and is stored in storage chip.
A kind of specific implementation method of the present invention:
1. the collection of normal refrigeration temperature rise temperature data and memory: temperature acquisition adopts AD unit that environment temperature is converted to temperature data, and is stored by temperature data.
2. the calculating of temperature rise temperature data feature of normally freezing and storage: as shown in Figure 2, a, b, c, d, e in figure are the temperature rise curve that normally freezes, and getting d curve is example.Utilize the mode determination variations in temperature valley T1 compared in real time, timer starts timing, until temperature peak T2 detected, timer cuts out and generation time t1, aligns normal temperature liter and carries out feature calculation:
Data after calculating are stored.
3., because stopping the calculating of refrigeration reason temperature rise temperature data feature: as shown in Figure 2, the f in figure is because stopping refrigeration reason temperature rise curve.When temperature value exceed higher limit first collecting temperature value T3 collected time, timer starts timing.After the 5th gathers, timer cuts out and generation time t2, and to transfiniting, feature calculation is carried out in temperature rise:
If
<=
, be then because stopping the temperature rise of refrigeration reason, opening and report to the police, if there is short message alarm module, send alarming short message.
4., because of the calculating of defrost reason temperature rise temperature data feature: as shown in Figure 3, the g in figure is because of defrost reason temperature rise curve.When temperature value exceed higher limit first collecting temperature value T5 collected time, timer starts timing.After T6 gathers, timer cuts out and generation time t3, and to transfiniting, feature calculation is carried out in temperature rise:
If
>
, be then because of the temperature rise of defrost reason, open defrost back off timer, exceeding the defrost time then reports to the police, if there is short message alarm module, sends reminding short message.
Said method is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention; If do not depart from the spirit and scope of the present invention, the present invention is modified or equivalent to replace, in the middle of the protection domain that all should be encompassed in the claims in the present invention.
Claims (2)
1. avoid, because defrost causes temperature rise to cause a method for false alarm, it is characterized in that: comprise the study of temperature value, data characteristics calculates and alarm condition defines three parts; Concrete steps are as follows:
(1) temperature acquisition recorder is to the collection of ambient temperature value and memory;
(2) temperature acquisition recorder rises to the time needed for peak value to temperature value from valley and the characteristic mathematical between peak value and the difference of valley calculates, and is stored in storage chip by the characteristic value of calculating;
(3) compare exceeding Temperature numerical variation characteristic and the characteristic value be stored in storage chip in limited time, by comparing whether the variations in temperature defined now is that defrost causes; If the temperature rise that defrost causes, then do not carry out overtemperature alarm, but carry out defrost time delay detection, if exceed defrost preset time, send defrost time-out prompting message; If not the temperature rise that defrost causes, then carry out overtemperature alarm.
2. a kind of avoiding according to claim 1, because defrost causes temperature rise to cause the method for false alarm, is characterized in that: temperature acquisition recorder converts environment temperature to temperature value by Chip Microcomputer A/D and is stored in storage chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210322128.0A CN102798267B (en) | 2012-09-04 | 2012-09-04 | Method for preventing false alarm caused by temperature rising resulting from defrosting |
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| CN201210322128.0A CN102798267B (en) | 2012-09-04 | 2012-09-04 | Method for preventing false alarm caused by temperature rising resulting from defrosting |
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| CN102798267A CN102798267A (en) | 2012-11-28 |
| CN102798267B true CN102798267B (en) | 2015-04-01 |
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| CN107085934B (en) * | 2017-04-10 | 2020-09-11 | 中国电力科学研究院 | Performance detection method and system for electricity consumption information acquisition equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030021769A (en) * | 2001-09-07 | 2003-03-15 | 주식회사 세아이엔씨 | Method of Controlling Temperature Automatically in the Showcase |
| KR20060128530A (en) * | 2005-06-10 | 2006-12-14 | 위니아만도 주식회사 | Kimchi storage and method for defrosting of kimchi storage |
| CN101514864A (en) * | 2009-03-23 | 2009-08-26 | 申传海 | A peak load shifting control method of refrigeration storage and electric refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100907500B1 (en) * | 2007-12-28 | 2009-07-13 | 롯데알미늄 주식회사 | Control method for defrosting in a showcase |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030021769A (en) * | 2001-09-07 | 2003-03-15 | 주식회사 세아이엔씨 | Method of Controlling Temperature Automatically in the Showcase |
| KR100400180B1 (en) * | 2001-09-07 | 2003-10-01 | 주식회사 세아이엔씨 | Method of Controlling Temperature Automatically in the Showcase |
| KR20060128530A (en) * | 2005-06-10 | 2006-12-14 | 위니아만도 주식회사 | Kimchi storage and method for defrosting of kimchi storage |
| CN101514864A (en) * | 2009-03-23 | 2009-08-26 | 申传海 | A peak load shifting control method of refrigeration storage and electric refrigerator |
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Address after: 221116 No. 21, the Pearl River East Road, No. 3 Industrial Park, Xuzhou High tech Industrial Development Zone, Xuzhou, Jiangsu Province Patentee after: JIANGSU JINGCHUANG ELECTRONICS Co.,Ltd. Country or region after: China Address before: No. 1, Mount Huangshan Road, Xuzhou High tech Industrial Development Zone, Xuzhou City, Jiangsu Province 221116 Patentee before: JIANGSU JINGCHUANG ELECTRONICS Co.,Ltd. Country or region before: China |
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Denomination of invention: A method to avoid false alarms caused by temperature rise caused by defrosting Granted publication date: 20150401 Pledgee: Bank of Jiangsu Co.,Ltd. Xuzhou Branch Pledgor: JIANGSU JINGCHUANG ELECTRONICS Co.,Ltd. Registration number: Y2024980006362 |