CN102141289B - Method and device for diagnosing and analyzing optimal boot time of central air-conditioning system - Google Patents
Method and device for diagnosing and analyzing optimal boot time of central air-conditioning system Download PDFInfo
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- CN102141289B CN102141289B CN 201110038416 CN201110038416A CN102141289B CN 102141289 B CN102141289 B CN 102141289B CN 201110038416 CN201110038416 CN 201110038416 CN 201110038416 A CN201110038416 A CN 201110038416A CN 102141289 B CN102141289 B CN 102141289B
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Abstract
The invention discloses a method and device for diagnosing and analyzing the optimal boot time of a central air-conditioning system. The method comprises the following steps of: S1, acquiring operating data and return chilled water temperature data per day of the central air-conditioning system in situ, and storing the operating data and the return chilled water temperature data in a database; S2, extracting the boot time per day of the central air-conditioning system according to the operating data in the database; S3, determining the stable moment per day of the central air-conditioning system according to the return chilled water temperature in the database; and S4, calculating out the optimal boot time according to the boot moments and the stable moments. When the technical scheme in the invention is implemented, the operating data and the return chilled water temperature data per day of the central air-conditioning system are acquired in situ to determine the optimal boot time, thereby solving the problems that temperature can not reach a preset value and energy is wasted because the central air-conditioning system is booted too early or too late.
Description
Technical field
The present invention relates to central air conditioner system, relate in particular to a kind of optimal boot time of central air-conditioning system diagnosis and method and the device analyzed.
Background technology
The world today, energy problem has become the problem of generally being concerned about, because energy problem is the key factor that affects various countries' social development, Energy Saving of Central Air-conditioning is then as a pith of building energy saving field, for the purpose that how to reach Energy Saving of Central Air-conditioning, can achieve the goal to central air conditioner system transformation by various technological means on the one hand, on the other hand also can be by various management means to achieve the goal, a kind of management means wherein is exactly the available machine time of control central air conditioner system.
At present, the available machine time of central air conditioner system generally selects a time to start shooting by administrative staff, and such as market 9 businesses every day, administrative staff then shift to an earlier date a period of time start every day, such as 8.30 or At All Other Times.During such 9 businesses, the temperature in market just can reach preset value, in general, administrative staff open central air conditioner system in advance, for the temperature that makes the market is stabilized in preset value when starting a business, still, like this, available machine time exists uncertain, sometimes shift to an earlier date dozens of minutes, sometimes shift to an earlier date a few minutes, so that there are two kinds of situations: 1, when arriving the business hours, temperature is unstable, can not reach preset value; 2, shift to an earlier date too many time unlatching central air conditioner system, when not arriving the business hours, the temperature in market has reached stationary value, like this just causes the energy consumption waste.
Summary of the invention
The technical problem to be solved in the present invention is, for available machine time of the above-mentioned central air conditioner system of prior art too early or cause too late temperature not reach the defective of preset value, energy consumption waste, a kind of optimal boot time of central air-conditioning system diagnosis and method and the device analyzed of the best are provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of optimal boot time of central air-conditioning system diagnosis and the method for analyzing are provided, have said method comprising the steps of:
S1. service data and the chilled water return water temperature data of collection in worksite central air conditioner system every day, and described service data and described chilled water return water temperature data be stored to database;
S2. according to the described service data in the database with the start of extracting central air conditioner system every day constantly;
S3. according to the described chilled water return water temperature data in the database to judge the central air conditioner system stable moment of every day;
S4. according to described start constantly and the described stable moment to calculate the available machine time of the best.
In method of the present invention, described step S3 also comprises:
Successively extract corresponding the first chilled water return water temperature and the second chilled water return water temperature corresponding to second moment of first moment from database, first when then the difference of described the second chilled water return water temperature and described the first chilled water return water temperature is less than preset value is constantly for stablizing constantly.
In method of the present invention, described step S3 also comprises:
When being judged as the stable moment, extract the chilled water return water temperature corresponding with the described stable moment.
In method of the present invention, described step S4 also comprises:
When being judged as the stable moment, generate the stable state duration constantly according to described start.
In method of the present invention, the described stable moment is that the chilled water return water temperature is in the moment corresponding when minimum.
The device that the present invention also provides a kind of optimal boot time of central air-conditioning system diagnosis and analyzed, described device comprise successively connection:
The service data and the chilled water return water temperature data acquisition unit that are used for the every day of collection in worksite central air conditioner system;
Be used for described service data and described chilled water return water temperature data are stored to the memory cell of database;
Be used for described service data according to database to extract the central air conditioner system start extraction unit constantly of every day;
Be used for according to the described chilled water return water temperature data of the database judging unit with stable moment of judging central air conditioner system every day;
Be used for according to described start constantly and the described stable moment with the computing unit of available machine time of calculating the best.
In device of the present invention, described judging unit comprises:
Connect with described extraction unit and successively extract the first constantly corresponding the first chilled water return water temperature and second the second constantly corresponding chilled water return water temperature from database, first when then the difference of described the second chilled water return water temperature and described the first chilled water return water temperature is less than preset value is the comparison subelement of stablizing the moment constantly.
In device of the present invention, described judging unit also comprises:
Is connected with described relatively subelement and when being judged as the stable moment, extracts the extraction subelement of the chilled water return water temperature corresponding with the described stable moment.
In device of the present invention, described computing unit comprises:
Be connected with described judging unit and be judged as stablely constantly the time, generate the generation subelement of stable state duration according to described start constantly.
In device of the present invention, the described stable moment is that the chilled water return water temperature is in the moment corresponding when minimum.
Implement technical scheme of the present invention, service data and the chilled water return water temperature data of every day by the collection in worksite central air conditioner system, to judge the best available machine time, solved the available machine time too early or open too late central air conditioner system and cause temperature not reach the problem of preset value, waste energy consumption.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the flow chart according to the method for a kind of optimal boot time of central air-conditioning system diagnosis according to the present invention and analysis;
Fig. 2 is the curve map according to the method for a kind of optimal boot time of central air-conditioning system diagnosis according to the present invention and analysis;
Fig. 3 is the block schematic diagram according to the device of a kind of optimal boot time of central air-conditioning system diagnosis according to the present invention and analysis.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Should be noted that, before implementing technical scheme of the present invention, the technical staff need install the energy consumption harvester of each equipment of central air conditioner system at the scene, wherein, each equipment of central air conditioner system comprises cold machine equipment, refrigerating water pump equipment, coolant pump equipment, heating pumping unit, heat recovery equipment, cooling tower equipment and Fan Equipment, those skilled in the art should understand, and repeats no more here.
See also Fig. 1, be the flow chart of a kind of optimal boot time of central air-conditioning system diagnosis according to the present invention with the method for analyzing.As shown in Figure 1, the method may further comprise the steps:
In step S1, service data and the chilled water return water temperature data of collection in worksite central air conditioner system every day, and this service data and these chilled water return water temperature data are stored to database, in various embodiment of the present invention, this database is used for analyzing and process this service data and these chilled water return water temperature data, thinks that the available machine time of subsequent calculations the best prepares.
In step S2, according to this service data in the database with the start of extracting central air conditioner system every day constantly, please in conjunction with consulting Fig. 2, the curve map of the method that detects for a kind of central air conditioner system available machine time according to the present invention, as shown in Figure 2, in the present embodiment system boot is designated as T0 constantly, when central air conditioner system was started shooting suddenly, the chilled water return water temperature rose suddenly, and at this moment this chilled water return water temperature is very unstable, those skilled in the art should be understood that and not repeat them here.
In step S3, according to these chilled water return water temperature data in the database to judge the central air conditioner system stable moment of every day, in Fig. 2 of present embodiment, after after a while, curve map becomes to being plateau, and will be down to when minimum first at the chilled water return water temperature and constantly be designated as T1, namely constantly stable, wherein, the method of being somebody's turn to do stable moment search be: successively extract corresponding the first chilled water return water temperature and the second chilled water return water temperature corresponding to second moment of first moment from database, when then the difference of this second chilled water return water temperature and this first chilled water return water temperature is less than preset value first is constantly for constantly stable, should be noted that, this preset value can set up on their own according to user's demand, in various embodiment of the present invention, this preset value is preferably 0.5, and those skilled in the art should understand, and repeats no more here.
Preferably, when being judged as the stable moment, extract and be somebody's turn to do stable constantly corresponding chilled water return water temperature.
In step S4, constantly stablize constantly to calculate the best available machine time with being somebody's turn to do according to this start, should be noted that, in the middle of the running of reality, at first, according to being carried out statistical average with the stable moment constantly, the start of every day calculates the average steady state duration, generate data as shown in table 1, table 1 is the data of 3 days records in the actual operation, with clearer, clearly understand the technical program, last, again according to the business hours, calculate the best available machine time, solved too early or opened too late central air conditioner system and cause indoor temperature not reach preset value, and the problem of waste energy consumption.
Table 1
Preferably, this stable is in the moment corresponding when minimum for the chilled water return water temperature constantly.
See also Fig. 2, be the block schematic diagram of a kind of optimal boot time of central air-conditioning system diagnosis according to the present invention with the device of analyzing.As shown in Figure 2, this device comprises collecting unit 100, memory cell 200, extraction unit 300, judging unit 400 and the computing unit 500 that connects successively, wherein, judging unit 400 comprises comparison subelement 410 and the extraction subelement 420 that is connected with this comparison subelement 410, computing unit 500 comprises generation subelement 510, and the below specifies the effect of various piece:
Collecting unit 100 is used for collection in worksite central air conditioner system service data and the chilled water return water temperature data of every day, should be noted that this collecting unit 100 is that service data and the chilled water return water temperature data of every day are carried out Real-time Collection.
Compare subelement 410, be used for successively extracting corresponding the first chilled water return water temperature and the second chilled water return water temperature corresponding to second moment of first moment from database, first when then the difference of this second chilled water return water temperature and this first chilled water return water temperature is less than preset value is constantly for stablizing constantly.
Generate subelement 510, when being judged as the stable moment, generate the stable state duration constantly according to this start.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (10)
1. an optimal boot time of central air-conditioning system is diagnosed and the method for analyzing, and it is characterized in that, said method comprising the steps of:
S1. service data and the chilled water return water temperature data of collection in worksite central air conditioner system every day, and described service data and described chilled water return water temperature data be stored to database;
S2. according to the described service data in the database with the start of extracting central air conditioner system every day constantly;
S3. according to the described chilled water return water temperature data in the database to judge the central air conditioner system stable moment of every day;
S4. according to described start constantly and the described stable moment to calculate the average steady state duration, the available machine time that goes out the best according to business hours and described average steady state duration calculation at last.
2. method according to claim 1 is characterized in that, described step S3 also comprises:
Successively extract corresponding the first chilled water return water temperature and the second chilled water return water temperature corresponding to second moment of first moment from database, first when then the difference of described the second chilled water return water temperature and described the first chilled water return water temperature is less than preset value is constantly for stablizing constantly.
3. method according to claim 2 is characterized in that, described step S3 also comprises:
When being judged as the stable moment, extract the chilled water return water temperature corresponding with the described stable moment.
4. method according to claim 3 is characterized in that, described step S4 also comprises:
When being judged as the stable moment, generate the stable state duration constantly according to described start.
5. each described method is characterized in that according to claim 1-4, and the described stable moment is that the chilled water return water temperature is in the moment corresponding when minimum.
6. optimal boot time of central air-conditioning system diagnosis and the device of analyzing is characterized in that, described device comprises and connecting successively:
Be used for collection in worksite central air conditioner system service data and the chilled water return water temperature data acquisition unit of every day;
Be used for described service data and described chilled water return water temperature data are stored to the memory cell of database;
Be used for described service data according to database to extract the central air conditioner system start extraction unit constantly of every day;
Be used for according to the described chilled water return water temperature data of the database judging unit with stable moment of judging central air conditioner system every day;
Be used for according to described start constantly and the described stable moment calculating the average steady state duration, go out the computing unit of the available machine time of the best according to business hours and described average steady state duration calculation at last.
7. device according to claim 6 is characterized in that, described judging unit comprises:
Connect with described extraction unit and successively extract the first constantly corresponding the first chilled water return water temperature and second the second constantly corresponding chilled water return water temperature from database, first when then the difference of described the second chilled water return water temperature and described the first chilled water return water temperature is less than preset value is the comparison subelement of stablizing the moment constantly.
8. device according to claim 7 is characterized in that, described judging unit also comprises:
Is connected with described relatively subelement and when being judged as the stable moment, extracts the extraction subelement of the chilled water return water temperature corresponding with the described stable moment.
9. device according to claim 8 is characterized in that, described computing unit comprises:
Be connected with described judging unit and be judged as stablely constantly the time, generate the generation subelement of stable state duration according to described start constantly.
10. each described device is characterized in that according to claim 6-9, and the described stable moment is that the chilled water return water temperature is in the moment corresponding when minimum.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110038416 CN102141289B (en) | 2011-02-15 | 2011-02-15 | Method and device for diagnosing and analyzing optimal boot time of central air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110038416 CN102141289B (en) | 2011-02-15 | 2011-02-15 | Method and device for diagnosing and analyzing optimal boot time of central air-conditioning system |
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| CN102141289B true CN102141289B (en) | 2013-02-27 |
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| CN103335377B (en) * | 2013-07-01 | 2016-05-25 | 青岛海信日立空调***有限公司 | The control method of air conditioning control device and timing start-up thereof |
| CN104572174A (en) * | 2014-12-12 | 2015-04-29 | 小米科技有限责任公司 | Method and device for automatically waking up terminal screen |
| CN114543303B (en) * | 2022-01-26 | 2023-07-14 | 深圳达实智能股份有限公司 | Operation optimization method and system for central air-conditioning refrigeration station based on operation big data |
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| JPS59142342A (en) * | 1983-02-01 | 1984-08-15 | Yamatake Honeywell Co Ltd | Optimum starting method of air conditioner |
| JPS62272046A (en) * | 1986-05-21 | 1987-11-26 | Daikin Ind Ltd | Energization control device for air conditioner |
| JPH02251042A (en) * | 1989-03-24 | 1990-10-08 | Matsushita Electric Ind Co Ltd | Air conditioning prediction control device |
| JP4181362B2 (en) * | 2002-08-28 | 2008-11-12 | 株式会社山武 | Optimal start-up controller for air conditioning system |
| JP4569678B2 (en) * | 2008-07-11 | 2010-10-27 | ダイキン工業株式会社 | Start control device for air conditioner |
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