Energy-saving control method for cold water system of water-cooled test chamber

Abstract

The present invention relates to the technical field of energy-saving control of cold water systems, and specifically discloses an energy-saving control method for cold water systems of water-cooled test boxes, including: performing data processing on all in-box temperature monitoring data of each test box based on the temperature of the cold water system and the ambient temperature to obtain temperature processing data of each test box; constructing a temperature prediction matrix of each test box based on the temperature processing data of each test box, obtaining the predicted temperature value of each test box at the next temperature acquisition moment based on the temperature prediction matrix of each test box to obtain the judgment result of each test box; obtaining a punctuation connection diagram based on the judgment results of all test boxes and the test box position data, and coordinating and controlling the compressors of all test boxes based on the preset temperature threshold and the punctuation connection diagram to obtain energy-saving control results. The present invention is used to effectively reduce the energy consumption of the cold water system by more accurately controlling the compressors in the same cold water system.

Description

Technical Field

[0001] The invention relates to the technical field of energy-saving control of cold water systems, and in particular to an energy-saving control method for a cold water system of a water-cooled test box. Background Art

[0002] At present, water-cooled test chambers are test chambers that use water as a coolant for cooling. They are important basic equipment suitable for scientific research, semiconductors, aviation and other fields.

[0003] However, for multiple test chambers using the same water cooling system, when multiple test chambers need to be cooled at the same time, synchronously starting the compressors of all test chambers will result in a large waste of energy. How to ensure the cooling effect of all test chambers while reducing the energy consumption of the cold water system has become a crucial issue.

[0004] Therefore, the present invention proposes an energy-saving control method for a cold water system of a water-cooled test chamber, which is used to effectively reduce the energy consumption of the cold water system by more accurately controlling the compressor in the same cold water system. Summary of the invention

[0005] The present invention provides an energy-saving control method for a cold water system of a water-cooled test box, which is used to accurately obtain the predicted temperature value of each test box at the next temperature collection moment by constructing a temperature prediction matrix for each test box, and accurately judge whether to control the compressor of the corresponding test box according to the predicted temperature value of each test box, so as to facilitate the subsequent drawing of a punctuation connection diagram, obtain the punctuation connection diagram according to the judgment results of all the test boxes and the test box position data, and coordinately control the compressors of all the test boxes according to the preset temperature threshold and the punctuation connection diagram to obtain an energy-saving control result, so as to achieve more precise control of the compressors in the same cold water system, thereby effectively reducing the energy consumption of the cold water system.

[0006] The present invention provides an energy-saving control method for a cold water system of a water-cooled test chamber, comprising:

[0007] S1: Acquire all in-box temperature monitoring data, test box location data, cold water system temperature and ambient temperature of each test box in the cold water system within a preset data acquisition time, and process all in-box temperature monitoring data of each test box based on the cold water system temperature and ambient temperature to obtain temperature processing data of each test box;

[0008] S2: constructing a temperature prediction matrix for each test box based on the temperature processing data of each test box, obtaining a predicted temperature value of each test box at the next temperature collection moment based on the temperature prediction matrix of each test box, judging whether to control the compressor of the corresponding test box based on the predicted temperature value of each test box, and obtaining a judgment result for each test box;

[0009] S3: Draw a dot-and-line diagram for all the test boxes based on the judgment results of all the test boxes and the test box position data to obtain the dot-and-line diagram, and coordinately control the compressors of all the test boxes based on the preset temperature threshold and the dot-and-line diagram to obtain an energy-saving control result.

[0010] Preferably, the energy-saving control method of the cold water system of a water-cooled test box, S1: obtaining all the in-box temperature monitoring data of the preset temperature sensor in each test box in the cold water system within the preset data acquisition time, the test box position data, the cold water system temperature and the ambient temperature, and performing data processing on all the in-box temperature monitoring data of each test box based on the cold water system temperature and the ambient temperature to obtain the temperature processing data of each test box, including:

[0011] S101: Based on a preset temperature sensor set in each test box in the cold water system, all box temperature monitoring data of the preset temperature sensor in each test box in the cold water system within a preset data acquisition time are obtained, and the test box position data, cold water system temperature and ambient temperature of each test box in the cold water system are obtained;

[0012] S102: Processing all the temperature monitoring data in each test box based on the cold water system temperature and the ambient temperature to obtain temperature processing data of each test box.

[0013] Preferably, the energy-saving control method for the cold water system of a water-cooled test box, S102: based on the temperature of the cold water system and the ambient temperature, data processing is performed on all the temperature monitoring data in each test box to obtain the temperature processing data of each test box, including:

[0014] S1021: Determine whether each in-box temperature monitoring value in the in-box temperature monitoring data of each test box is within the sensor sensing threshold interval; if so, use the corresponding in-box temperature monitoring value as the first available in-box temperature monitoring value; otherwise, use the corresponding in-box temperature monitoring value as the first unavailable in-box temperature monitoring value;

[0015] S1022: The smaller value between the cold water system temperature and the ambient temperature is used as the temperature judgment value, and each first available in-box temperature monitoring value of each test box is numerically compared with the temperature judgment value. If the value of the first available in-box temperature monitoring value is greater than the temperature judgment value, the corresponding first available in-box temperature monitoring value is used as the second available in-box temperature monitoring value of the corresponding test box; otherwise, the corresponding first available in-box temperature monitoring value is used as the second non-available in-box temperature monitoring value of the corresponding test box;

[0016] S1023: The positions of the first unavailable in-box temperature monitoring value and the second unavailable in-box temperature monitoring value in all in-box temperature monitoring data of each test box are regarded as deletion positions, and the first unavailable in-box temperature monitoring value or the second unavailable in-box temperature monitoring value of the corresponding deletion position is replaced with the average of the values ​​of the second available in-box temperature monitoring values ​​adjacent to each deletion position in all in-box temperature monitoring data of each test box, so as to obtain all preliminary processed data of each test box;

[0017] S1024: Obtain temperature processing data of the corresponding test chamber based on all preliminary processing data of each test chamber.

[0018] Preferably, the energy-saving control method for the cold water system of a water-cooled test chamber, S1024: obtaining the temperature processing data of the corresponding test chamber based on all preliminary processing data of each test chamber, including:

[0019] S10241: taking the difference between the maximum value and the minimum value in all preliminary processing data of each test box as the processing data difference of each test box;

[0020] S10242: The quotient of the preset data acquisition time and the data processing difference of each test box is used as the data sampling period of the corresponding test box, and all preliminary processing data of the corresponding test box are sampled based on the data sampling period of each test box to obtain all sampling data of each test box as the temperature processing data of the corresponding test box.

[0021] Preferably, the energy-saving control method for the cold water system of a water-cooled test chamber, S2: constructing a temperature prediction matrix for each test chamber based on the temperature processing data of each test chamber, obtaining a predicted temperature value of each test chamber at the next temperature collection moment based on the temperature prediction matrix of each test chamber, judging whether to control the compressor of the corresponding test chamber based on the predicted temperature value of each test chamber, and obtaining a judgment result for each test chamber, including:

[0022] S201: constructing a temperature prediction matrix for each test box based on the temperature processing data of each test box;

[0023] S202: Obtaining a predicted temperature value of each test box at the next temperature collection moment based on a temperature prediction matrix of each test box;

[0024] S203: Numerically compare the predicted temperature value of each test box with the preset temperature threshold. If the predicted temperature value is greater than the preset temperature threshold, the compressor of the corresponding test box is controlled as the judgment result of the corresponding test box. Otherwise, the compressor of the corresponding test box is not controlled as the judgment result of the corresponding test box.

[0025] Preferably, the energy-saving control method for the cold water system of a water-cooled test chamber, S201: constructing a temperature prediction matrix for each test chamber based on the temperature processing data of each test chamber, comprising:

[0026] S2011: All temperature treatment values ​​in the temperature treatment data of each test box are sorted and defined in time sequence starting from 1 to obtain an ordinal definition result, and the temperature treatment value of each test box is subtracted from the left and right adjacent values ​​to obtain a left difference value and a right difference value of the temperature treatment value of each test box, and the left difference value of the temperature treatment value of each test box with ordinal number 1 is set to be equal to the right difference value;

[0027] S2012: Based on the temperature processing value of each test box and the left difference value and the right difference value, a temperature prediction matrix for each test box is constructed, which is:

[0028]

[0029] Among them, Q is the temperature prediction matrix of the test box, q1 is the temperature processing value of the test box with ordinal number 1, q2 is the temperature processing data of the test box with ordinal number 2, and q n is the temperature treatment value of the test chamber with ordinal number n, n is the number of all monitoring data of the test chamber, It is the left difference value of the temperature treatment value of the test chamber with ordinal number 1. It is the right difference value of the temperature treatment value of the test chamber with ordinal number 1. It is the left difference value of the temperature treatment value of the test chamber with ordinal number 2. It is the right difference value of the temperature treatment value of the test chamber with ordinal number 2. is the left difference value of the temperature treatment value of the test chamber with ordinal number n, It is the right difference value of the temperature treatment value of the test chamber with sequence number n.

[0030] Preferably, the energy-saving control method for the cold water system of a water-cooled test chamber, S202: obtaining the predicted temperature value of each test chamber at the next temperature collection moment based on the temperature prediction matrix of each test chamber, comprises:

[0031] S2021: taking the time after the current time and the time that is the data sampling period of a single test box as the next temperature collection time of the corresponding test box;

[0032] S2022: Obtain the mean of all matrix elements in the third row of the temperature prediction matrix of each test box, and set the matrix elements in the temperature prediction matrix of each test box, which are the right difference values ​​of the temperature treatment values ​​of the test box with ordinal number n, to a value equal to the mean, to obtain a new matrix, and use the rank of the new matrix as the predicted temperature value of each test box at the next temperature collection moment.

[0033] Preferably, the energy-saving control method of the cold water system of the water-cooled test chamber, S3: based on the judgment results of all the test chambers and the test chamber position data, a punctuation connection diagram is drawn for all the test chambers to obtain the punctuation connection diagram, and based on the preset temperature threshold and the punctuation connection diagram, the compressors of all the test chambers are coordinated and controlled to obtain the energy-saving control result, including:

[0034] S301: Determine all non-controlled test boxes based on the judgment results of all test boxes, and draw a punctuation connection diagram for all test boxes based on all non-controlled test boxes and test box position data to obtain a punctuation connection diagram;

[0035] S302: Based on the preset temperature threshold and the dot-connection diagram, the compressors of all the test boxes are coordinated and controlled to obtain a control result.

[0036] Preferably, the energy-saving control method of the cold water system of the water-cooled test chamber, S301: based on the judgment results of all the test chambers, all the non-controlled test chambers are determined, and based on all the non-controlled test chambers and the test chamber position data, a punctuation connection diagram is drawn for all the test chambers to obtain the punctuation connection diagram, including:

[0037] S3011: Obtain the judgment results of all test chambers, and treat the test chambers among all the test chambers for which the judgment result is that the compressor of the corresponding test chamber is not controlled as non-controlled test chambers;

[0038] S3012: Acquire the test box location data, and obtain the placement positions of all the test boxes in the same cold water system based on the test box location data, determine the coordinate representation of the bottom surface of each test box, and determine the coordinate point of the geometric center of the bottom surface of each test box based on the coordinate representation of the bottom surface of each test box as the icon point of the corresponding test box, and regard the icon points of all the test boxes in the cold water system, except the control test box, as all available icon points;

[0039] S3013: Connect all available icon points to obtain a punctuation connection diagram.

[0040] Preferably, the energy-saving control method of the cold water system of the water-cooled test chamber, S302: based on the preset temperature threshold and the punctuation connection diagram, the compressors of all the test chambers are coordinated and controlled to obtain the control result, including:

[0041] S3021: Obtain the nearest icon point for each icon point in the punctuation connection graph;

[0042] S3022: taking each icon point as the origin and the preset influence distance as the radius to obtain the influence range of each icon point, and taking all icon points remaining within the influence range of each icon point except the nearest graphic expression as all the influence icon points of each icon point;

[0043] S3023: Determine a plurality of icon point combinations, wherein all the influencing icon points of all the icon points in each icon point combination include all the remaining icon points in the punctuation connection diagram except all the icon points in the corresponding icon point combination;

[0044] S3024: taking all icon points in the icon point combination with the least number of icon points as coordination control icon points;

[0045] S3025: Start the compressors of the test boxes corresponding to all the coordination control icon points until the real-time temperatures of all the test boxes in the punctuation connection diagram are no higher than the preset temperature threshold, and then turn off the compressors of all the test boxes corresponding to the coordination control icon points.

[0046] The beneficial effects of the present invention compared to the prior art are as follows: by constructing a temperature prediction matrix for each test box, the predicted temperature value of each test box at the next temperature collection moment is accurately obtained, and whether to control the compressor of the corresponding test box is accurately judged according to the predicted temperature value of each test box, which is convenient for the subsequent drawing of the punctuation connection diagram, and the punctuation connection diagram is obtained according to the judgment results of all test boxes and the test box position data, and the compressors of all test boxes are coordinated and controlled according to the preset temperature threshold and the punctuation connection diagram to obtain energy-saving control results, so as to achieve more precise control of the compressors in the same cold water system, thereby effectively reducing the energy consumption of the cold water system.

[0047] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structure specifically pointed out in the written application document.

[0048] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0050] Figure 1 It is a flow chart of the energy-saving control method of the cold water system of the water-cooled test box in an embodiment of the present invention;

[0051] Figure 2 Detailed flowchart of step S1024 in the embodiment of the present invention. DETAILED DESCRIPTION

[0052] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0053] Embodiment 1:

[0054] The present invention provides a method for energy-saving control of a cold water system of a water-cooled test chamber, referring to Figure 1 ,include:

[0055] S1: Acquire all in-box temperature monitoring data, test box location data, cold water system temperature and ambient temperature of each test box in the cold water system within a preset data acquisition time, and process all in-box temperature monitoring data of each test box based on the cold water system temperature and ambient temperature to obtain temperature processing data of each test box;

[0056] S2: constructing a temperature prediction matrix for each test box based on the temperature processing data of each test box, obtaining a predicted temperature value of each test box at the next temperature collection moment based on the temperature prediction matrix of each test box, judging whether to control the compressor of the corresponding test box based on the predicted temperature value of each test box, and obtaining a judgment result for each test box;

[0057] S3: Draw a dot-and-line diagram for all the test boxes based on the judgment results of all the test boxes and the test box position data to obtain the dot-and-line diagram, and coordinately control the compressors of all the test boxes based on the preset temperature threshold and the dot-and-line diagram to obtain an energy-saving control result.

[0058] In this embodiment, the cold water system is a system shared by a plurality of water-cooled test boxes for cooling the test boxes, and all the water-cooled test boxes in the same cold water system are placed on the same plane.

[0059] In this embodiment, the preset data acquisition time is a pre-set time for obtaining the in-box temperature monitoring data, test box location data, cold water system temperature and ambient temperature of all test boxes. In this embodiment, the preset data acquisition time is set to 30 minutes.

[0060] In this embodiment, the in-box temperature monitoring data is a plurality of in-box temperature values ​​monitored within a preset data acquisition time, for example, 16 degrees Celsius.

[0061] In this embodiment, the test box position data are the coordinate values ​​of all coordinate points on the bottom surfaces of all the test boxes that are in contact with the placement plane.

[0062] In this embodiment, the cold water system temperature is the temperature of the coolant (water) in the water cooling system.

[0063] In this embodiment, the ambient temperature is the air temperature of the room where the test box is placed.

[0064] In this embodiment, data processing is a process of deleting, replacing, etc. all the temperature monitoring data in each test box based on the temperature of the cold water system and the ambient temperature to obtain the temperature processing data of the test box.

[0065] In this embodiment, the temperature prediction matrix is ​​a matrix constructed by using the temperature processing data of each test box as matrix elements, and can predict the predicted temperature value of each test box at the next temperature collection moment.

[0066] In this embodiment, the next temperature collection time is a time after the current time and a data sampling period of a single test box away from the current time, and each test box corresponds to a next temperature collection time.

[0067] In this embodiment, the predicted temperature value is a predicted value of the temperature of each test box at the next temperature collection moment based on the temperature prediction matrix.

[0068] In this embodiment, a compressor is installed in each test box to increase the refrigerant from low pressure to high pressure and circulate the refrigerant continuously, so that the system continuously discharges internal heat to an environment with a temperature higher than the system temperature. Turning on the compressor starts cooling, and turning off the compressor stops cooling.

[0069] In this embodiment, the control is to control whether the compressor is turned on or off.

[0070] In this embodiment, the determination result of the test box is a determination result of whether to control the compressor of the corresponding test box based on the predicted temperature value of the test box and the preset temperature threshold.

[0071] In this embodiment, the dotted connection diagram is a connection diagram obtained by connecting all available icon points in the cold water system (ie, icon points corresponding to the test boxes other than the non-control test box).

[0072] In this embodiment, the preset temperature threshold is a preset temperature threshold required for coordinated control of the compressors of all test boxes, such as 14 degrees Celsius.

[0073] In this embodiment, the energy-saving control result is the result of coordinated control of the compressors of all test boxes based on the preset temperature threshold and the punctuation connection diagram (including the result of which test boxes' compressors are turned on based on the preset temperature threshold and the punctuation connection diagram).

[0074] The beneficial effects of the above technology are: by constructing a temperature prediction matrix for each test box, the predicted temperature value of each test box at the next temperature collection moment is accurately obtained, and according to the predicted temperature value of each test box, it is accurately judged whether to control the compressor of the corresponding test box, which is convenient for the subsequent drawing of the punctuation connection diagram, and the punctuation connection diagram is obtained according to the judgment results of all test boxes and the test box position data, and the compressors of all test boxes are coordinated and controlled according to the preset temperature threshold and the punctuation connection diagram to obtain energy-saving control results, so as to achieve more precise control of the compressors in the same cold water system, thereby effectively reducing the energy consumption of the cold water system.

[0075] Embodiment 2:

[0076] Based on Example 1, a water-cooled test box cold water system energy-saving control method, S1: obtaining all box temperature monitoring data, test box location data, cold water system temperature and ambient temperature of a preset temperature sensor in each test box in the cold water system within a preset data acquisition time, and performing data processing on all box temperature monitoring data of each test box based on the cold water system temperature and the ambient temperature to obtain temperature processing data of each test box, including:

[0077] S101: Based on a preset temperature sensor set in each test box in the cold water system, all box temperature monitoring data of the preset temperature sensor in each test box in the cold water system within a preset data acquisition time are obtained, and the test box position data, cold water system temperature and ambient temperature of each test box in the cold water system are obtained;

[0078] S102: Processing all the temperature monitoring data in each test box based on the cold water system temperature and the ambient temperature to obtain temperature processing data of each test box.

[0079] In this embodiment, the preset temperature sensor is a sensor pre-set in each test box for obtaining the temperature value (temperature monitoring data) in the test box.

[0080] The beneficial effects of the above technology are: to obtain the test box position data, cold water system temperature and ambient temperature of each test box in the cold water system, and to more accurately process all the temperature monitoring data in each test box according to the cold water system temperature and ambient temperature, to obtain the temperature processing data of each test box, so as to facilitate the subsequent construction of the temperature prediction matrix for each test box.

[0081] Embodiment 3:

[0082] Based on Example 2, the energy-saving control method for the cold water system of a water-cooled test box, S102: based on the temperature of the cold water system and the ambient temperature, data processing is performed on all the temperature monitoring data in each test box to obtain the temperature processing data of each test box, including:

[0083] S1021: Determine whether each in-box temperature monitoring value in the in-box temperature monitoring data of each test box is within the sensor sensing threshold interval; if so, use the corresponding in-box temperature monitoring value as the first available in-box temperature monitoring value; otherwise, use the corresponding in-box temperature monitoring value as the first unavailable in-box temperature monitoring value;

[0084] S1022: The smaller value between the cold water system temperature and the ambient temperature is used as the temperature judgment value, and each first available in-box temperature monitoring value of each test box is numerically compared with the temperature judgment value. If the value of the first available in-box temperature monitoring value is greater than the temperature judgment value, the corresponding first available in-box temperature monitoring value is used as the second available in-box temperature monitoring value of the corresponding test box; otherwise, the corresponding first available in-box temperature monitoring value is used as the second non-available in-box temperature monitoring value of the corresponding test box;

[0085] S1023: The positions of the first unavailable in-box temperature monitoring value and the second unavailable in-box temperature monitoring value in all in-box temperature monitoring data of each test box are regarded as deletion positions, and the first unavailable in-box temperature monitoring value or the second unavailable in-box temperature monitoring value of the corresponding deletion position is replaced with the average of the values ​​of the second available in-box temperature monitoring values ​​adjacent to each deletion position in all in-box temperature monitoring data of each test box, so as to obtain all preliminary processed data of each test box;

[0086] S1024: Obtain temperature processing data of the corresponding test chamber based on all preliminary processing data of each test chamber.

[0087] In this embodiment, the sensor sensing threshold interval is a temperature sensing interval of a preset temperature sensor, for example, 0°C-35°C.

[0088] In this embodiment, the first available in-box temperature monitoring value is in-box temperature monitoring data whose value is within the sensor sensing threshold interval.

[0089] In this embodiment, the first unavailable in-box temperature monitoring value is in-box temperature monitoring data whose value is not within the sensor sensing threshold interval.

[0090] In this embodiment, the temperature determination value is the smaller value between the cold water system temperature and the ambient temperature, which is used to obtain the temperature value of the second available in-box temperature monitoring value.

[0091] In this embodiment, the second available in-box temperature monitoring value is the first available in-box temperature monitoring value having a value greater than the temperature determination value.

[0092] In this embodiment, the second unavailable in-box temperature monitoring value is the first available in-box temperature monitoring value whose value is not greater than the temperature determination value.

[0093] In this embodiment, the deletion position is the position where the first unavailable in-box temperature monitoring value and the second unavailable in-box temperature monitoring value are located in all in-box temperature monitoring data of the test box.

[0094] The beneficial effects of the above technology are: based on the sensor sensing threshold interval and the temperature judgment value, the first non-usable box temperature monitoring value or the second non-usable box temperature monitoring value of each test box is more accurately obtained, according to the first non-usable box temperature monitoring value or the second non-usable box temperature monitoring value of each test box, all preliminary processing data of each test box are more accurately obtained, according to all the preliminary processing data of each test box, the temperature processing data of the corresponding test box is obtained, and the preliminary processing of the temperature monitoring data of the test box is completed. This embodiment provides a method for obtaining preliminary processing data of the test box based on the sensor sensing threshold interval and the temperature judgment value.

[0095] Embodiment 4:

[0096] Based on Example 3, the energy-saving control method for the cold water system of the water-cooled test box, S1024: based on all the preliminary processing data of each test box, obtain the temperature processing data of the corresponding test box, refer to Figure 2 ,include:

[0097] S10241: taking the difference between the maximum value and the minimum value in all preliminary processing data of each test box as the processing data difference of each test box;

[0098] S10242: The quotient of the preset data acquisition time and the data processing difference of each test box is used as the data sampling period of the corresponding test box, and all preliminary processing data of the corresponding test box are sampled based on the data sampling period of each test box to obtain all sampling data of each test box as the temperature processing data of the corresponding test box.

[0099] In this embodiment, the data sampling period is a sampling period followed when sampling all the preliminary processing data of the test box.

[0100] The beneficial effects of the above technology are: the data sampling period of the test box is accurately obtained according to the preset data acquisition time and all the preliminary processing data of each test box, and the temperature processing data of the test box is obtained according to the data sampling period. This embodiment provides a method for obtaining the data sampling period of the test box based on the preset data acquisition time and all the preliminary processing data of each test box.

[0101] Embodiment 5:

[0102] Based on Example 1, a water-cooled test box cold water system energy-saving control method, S2: constructing a temperature prediction matrix for each test box based on the temperature processing data of each test box, obtaining a predicted temperature value of each test box at the next temperature collection moment based on the temperature prediction matrix of each test box, judging whether to control the compressor of the corresponding test box based on the predicted temperature value of each test box, and obtaining a judgment result for each test box, including:

[0103] S201: constructing a temperature prediction matrix for each test box based on the temperature processing data of each test box;

[0104] S202: obtaining a predicted temperature value of each test box at the next temperature collection moment based on a temperature prediction matrix of each test box;

[0105] S203: Numerically compare the predicted temperature value of each test box with the preset temperature threshold. If the predicted temperature value is greater than the preset temperature threshold, the compressor of the corresponding test box is controlled as the judgment result of the corresponding test box. Otherwise, the compressor of the corresponding test box is not controlled as the judgment result of the corresponding test box.

[0106] The beneficial effects of the above technology are: constructing a temperature prediction matrix for each test box based on the temperature processing data of each test box, more accurately obtaining the predicted temperature value of each test box at the next temperature collection moment based on the temperature prediction matrix of each test box, and more accurately judging whether to control the compressor of the corresponding test box based on the predicted temperature value of each test box, obtaining the judgment result for each test box, and facilitating the drawing of the subsequent punctuation connection diagram.

[0107] Embodiment 6:

[0108] Based on Example 5, the energy-saving control method for the cold water system of a water-cooled test chamber, S201: constructing a temperature prediction matrix for each test chamber based on the temperature processing data of each test chamber, including:

[0109] S2011: All temperature treatment values ​​in the temperature treatment data of each test box are sorted and defined in time sequence starting from 1 to obtain an ordinal definition result, and the temperature treatment value of each test box is subtracted from the left and right adjacent values ​​to obtain a left difference value and a right difference value of the temperature treatment value of each test box, and the left difference value of the temperature treatment value of each test box with ordinal number 1 is set to be equal to the right difference value;

[0110] S2012: Based on the temperature processing value of each test box and the left difference value and the right difference value, a temperature prediction matrix for each test box is constructed, which is:

[0111]

[0112] Among them, Q is the temperature prediction matrix of the test box, q1 is the temperature processing value of the test box with ordinal number 1, q2 is the temperature processing data of the test box with ordinal number 2, and q n is the temperature treatment value of the test chamber with ordinal number n, n is the number of all monitoring data of the test chamber, It is the left difference value of the temperature treatment value of the test chamber with ordinal number 1. It is the right difference value of the temperature treatment value of the test chamber with ordinal number 1. It is the left difference value of the temperature treatment value of the test chamber with ordinal number 2. It is the right difference value of the temperature treatment value of the test chamber with ordinal number 2. is the left difference value of the temperature treatment value of the test chamber with ordinal number n, It is the right difference value of the temperature treatment value of the test chamber with sequence number n.

[0113] In this embodiment, the left difference value is a difference value obtained by subtracting the temperature treatment value of each test box from the left adjacent value.

[0114] In this embodiment, the right difference value is a difference value obtained by subtracting the temperature treatment value of each test box from the value adjacent to the right.

[0115] The beneficial effect of the above technology is: constructing a temperature prediction matrix for each test box based on the temperature processing data of each test box, so as to facilitate more accurate subsequent acquisition of the predicted temperature value of the test box at the next temperature collection moment. This embodiment provides a method for constructing a temperature prediction matrix for a test box.

[0116] Embodiment 7:

[0117] Based on Example 5, the energy-saving control method for the cold water system of a water-cooled test chamber, S202: obtaining the predicted temperature value of each test chamber at the next temperature collection time based on the temperature prediction matrix of each test chamber, including:

[0118] S2021: taking the time after the current time and the time that is the data sampling period of a single test box as the next temperature collection time of the corresponding test box;

[0119] S2022: Obtain the mean of all matrix elements in the third row of the temperature prediction matrix of each test box, and set the matrix elements in the temperature prediction matrix of each test box, which are the right difference values ​​of the temperature treatment values ​​of the test box with ordinal number n, to a value equal to the mean, to obtain a new matrix, and use the rank of the new matrix as the predicted temperature value of each test box at the next temperature collection moment.

[0120] The beneficial effects of the above technology are: the next temperature collection time of each test box is defined according to the data sampling period of each test box, and the predicted temperature value of each test box at the next temperature collection time is more accurately obtained according to the temperature prediction matrix of each test box.

[0121] Embodiment 8:

[0122] Based on Example 1, a water-cooled test box cold water system energy-saving control method, S3: based on the judgment results of all test boxes and the test box position data, a punctuation connection diagram is drawn for all test boxes to obtain the punctuation connection diagram, and based on the preset temperature threshold and the punctuation connection diagram, the compressors of all test boxes are coordinated and controlled to obtain energy-saving control results, including:

[0123] S301: Determine all non-controlled test boxes based on the judgment results of all test boxes, and draw a punctuation connection diagram for all test boxes based on all non-controlled test boxes and test box position data to obtain a punctuation connection diagram;

[0124] S302: Coordinate and control the compressors of all test boxes based on the preset temperature threshold and the dot-connection diagram to obtain a control result.

[0125] In this embodiment, the non-controlled test box is a test box of all the test boxes of the water cooling system for which the judgment result is that the compressor of the corresponding test box is not controlled.

[0126] The beneficial effects of the above technology are: accurate drawing of the punctuation connection diagram of all test boxes is achieved based on the judgment results of all test boxes and the test box position data, and coordinated control of the compressors of all test boxes is achieved based on the preset temperature threshold and the punctuation connection diagram, thereby achieving energy-saving control effects.

[0127] Embodiment 9:

[0128] Based on Example 8, the energy-saving control method for the cold water system of the water-cooled test box, S301: based on the judgment results of all the test boxes, all the non-controlled test boxes are determined, and based on all the non-controlled test boxes and the test box position data, a punctuation connection diagram is drawn for all the test boxes to obtain a punctuation connection diagram, including:

[0129] S3011: Obtain the judgment results of all test chambers, and treat the test chambers among all the test chambers for which the judgment result is that the compressor of the corresponding test chamber is not controlled as non-controlled test chambers;

[0130] S3012: Acquire the test box location data, and obtain the placement positions of all the test boxes in the same cold water system based on the test box location data, determine the coordinate representation of the bottom surface of each test box, and determine the coordinate point of the geometric center of the bottom surface of each test box based on the coordinate representation of the bottom surface of each test box as the icon point of the corresponding test box, and regard the icon points of all the test boxes in the cold water system, except the control test box, as all available icon points;

[0131] S3013: Connect all available icon points to obtain a punctuation connection diagram.

[0132] In this embodiment, the coordinates of the bottom surface (ie, the bottom surface of the test box in contact with the placement plane) are represented as a set of coordinate values ​​of all coordinate points of the bottom surface coverage area of ​​each test box.

[0133] In this embodiment, the icon points of the test box are the coordinate points of the geometric center of the bottom surface of each test box.

[0134] In this embodiment, the available icon points are the icon points of the remaining test chambers except the non-control test chamber.

[0135] The beneficial effect of the above technology is: according to the judgment results of all the test boxes and the test box position data, the punctuation connection diagram of all the test boxes can be accurately drawn.

[0136] Embodiment 10:

[0137] Based on Example 9, the energy-saving control method for the cold water system of the water-cooled test box, S302: based on the preset temperature threshold and the punctuation connection diagram, the compressors of all the test boxes are coordinated and controlled to obtain the control results, including:

[0138] S3021: Obtain the nearest icon point for each icon point in the punctuation connection graph;

[0139] S3022: taking each icon point as the origin and the preset influence distance as the radius to obtain the influence range of each icon point, and taking all icon points remaining within the influence range of each icon point except the nearest graphic expression as all the influence icon points of each icon point;

[0140] S3023: Determine a plurality of icon point combinations, wherein all the influencing icon points of all the icon points in each icon point combination include all the remaining icon points in the punctuation connection diagram except all the icon points in the corresponding icon point combination;

[0141] S3024: taking all icon points in the icon point combination with the least number of icon points as coordination control icon points;

[0142] S3025: Start the compressors of the test boxes corresponding to all the coordination control icon points until the real-time temperatures of all the test boxes in the punctuation connection diagram are no higher than the preset temperature threshold, and then turn off the compressors of all the test boxes corresponding to the coordination control icon points.

[0143] In this embodiment, the nearest icon point is the remaining icon point in the punctuation point connection diagram that is closest to each icon point, and the remaining icon points are the remaining icon points in the punctuation point connection diagram except the current icon point.

[0144] In this embodiment, the preset impact distance is based on the pre-collected average impact distance (or propagation distance) of the cooling effect in the water cooling system when the compressor of the test box in the same water cooling system is turned on, for example, 3m.

[0145] In this embodiment, the influence range is the refrigeration influence range when the compressor of each test box is turned on.

[0146] In this embodiment, the icon point combination is a combination of icon points that satisfies the requirement that all influencing icon points of all icon points in the icon point combination include all remaining icon points in the punctuation connection diagram except all icon points in the corresponding icon point combination.

[0147] In this embodiment, the coordinated control icon points are all icon points in the icon point combination with the least number of icon points.

[0148] In this embodiment, the real-time temperature is a real-time temperature value in each test box obtained based on a preset temperature sensor in each test box.

[0149] The beneficial effects of the above technology are: according to the preset temperature threshold and the punctuation connection diagram, the coordination control icon points in the punctuation connection diagram can be determined more accurately, and by controlling the start and stop of the compressor of the test box corresponding to the coordination control icon point, efficient energy-saving control of the cold water system can be achieved.

[0150] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A method for energy-saving control of a cold water system of a water-cooled test chamber, characterized in that: include: S1: Acquire all in-box temperature monitoring data, test box location data, cold water system temperature and ambient temperature of each test box in the cold water system within a preset data acquisition time, and process all in-box temperature monitoring data of each test box based on the cold water system temperature and ambient temperature to obtain temperature processing data of each test box; S2: constructing a temperature prediction matrix for each test box based on the temperature processing data of each test box, obtaining a predicted temperature value of each test box at the next temperature collection moment based on the temperature prediction matrix of each test box, judging whether to control the compressor of the corresponding test box based on the predicted temperature value of each test box, and obtaining a judgment result for each test box; S3: Draw a dot-and-line diagram for all the test boxes based on the judgment results of all the test boxes and the test box position data to obtain the dot-and-line diagram, and coordinately control the compressors of all the test boxes based on the preset temperature threshold and the dot-and-line diagram to obtain an energy-saving control result; Among them, S1: obtain all the in-box temperature monitoring data of the preset temperature sensor in each test box in the cold water system within the preset data acquisition time, the test box location data, the cold water system temperature and the ambient temperature, and process all the in-box temperature monitoring data of each test box based on the cold water system temperature and the ambient temperature to obtain the temperature processing data of each test box, including: S101: Based on a preset temperature sensor set in each test box in the cold water system, all box temperature monitoring data of the preset temperature sensor in each test box in the cold water system within a preset data acquisition time are obtained, and the test box position data, cold water system temperature and ambient temperature of each test box in the cold water system are obtained; S102: Processing all the temperature monitoring data in each test box based on the temperature of the cold water system and the ambient temperature to obtain temperature processing data of each test box; Among them, S2: constructing a temperature prediction matrix for each test box based on the temperature processing data of each test box, obtaining a predicted temperature value of each test box at the next temperature collection moment based on the temperature prediction matrix of each test box, judging whether to control the compressor of the corresponding test box based on the predicted temperature value of each test box, and obtaining a judgment result for each test box, including: S201: constructing a temperature prediction matrix for each test box based on the temperature processing data of each test box; S202: obtaining a predicted temperature value of each test box at the next temperature collection moment based on a temperature prediction matrix of each test box; S203: numerically comparing the predicted temperature value of each test box with the preset temperature threshold value. If the predicted temperature value is greater than the preset temperature threshold value, the compressor of the corresponding test box is controlled as the judgment result of the corresponding test box. Otherwise, the compressor of the corresponding test box is not controlled as the judgment result of the corresponding test box. Wherein, S3: based on the judgment results of all the test boxes and the test box position data, a punctuation connection diagram is drawn for all the test boxes to obtain the punctuation connection diagram, and based on the preset temperature threshold and the punctuation connection diagram, the compressors of all the test boxes are coordinated and controlled to obtain energy-saving control results, including: S301: Determine all non-controlled test boxes based on the judgment results of all test boxes, and draw a punctuation connection diagram for all test boxes based on all non-controlled test boxes and test box position data to obtain a punctuation connection diagram; S302: Based on the preset temperature threshold and the dot-connection diagram, the compressors of all the test boxes are coordinated and controlled to obtain a control result.

2. The energy-saving control method for a water-cooled test chamber cold water system according to claim 1 is characterized in that: S102: Processing all the temperature monitoring data in each test box based on the cold water system temperature and the ambient temperature to obtain temperature processing data of each test box, including: S1021: Determine whether each in-box temperature monitoring value in the in-box temperature monitoring data of each test box is within the sensor sensing threshold interval; if so, use the corresponding in-box temperature monitoring value as the first available in-box temperature monitoring value; otherwise, use the corresponding in-box temperature monitoring value as the first unavailable in-box temperature monitoring value; S1022: The smaller value between the cold water system temperature and the ambient temperature is used as the temperature judgment value, and each first available in-box temperature monitoring value of each test box is numerically compared with the temperature judgment value. If the value of the first available in-box temperature monitoring value is greater than the temperature judgment value, the corresponding first available in-box temperature monitoring value is used as the second available in-box temperature monitoring value of the corresponding test box; otherwise, the corresponding first available in-box temperature monitoring value is used as the second non-available in-box temperature monitoring value of the corresponding test box; S1023: The positions of the first unavailable in-box temperature monitoring value and the second unavailable in-box temperature monitoring value in all in-box temperature monitoring data of each test box are regarded as deletion positions, and the first unavailable in-box temperature monitoring value or the second unavailable in-box temperature monitoring value of the corresponding deletion position is replaced with the average of the values ​​of the second available in-box temperature monitoring values ​​adjacent to each deletion position in all in-box temperature monitoring data of each test box, so as to obtain all preliminary processed data of each test box; S1024: Obtain temperature processing data of the corresponding test chamber based on all preliminary processing data of each test chamber.

3. The energy-saving control method for a water-cooled test chamber cold water system according to claim 2 is characterized in that: S1024: Based on all preliminary processing data of each test chamber, the temperature processing data of the corresponding test chamber is obtained, including: S10241: taking the difference between the maximum value and the minimum value in all preliminary processing data of each test box as the processing data difference of each test box; S10242: The quotient of the preset data acquisition time and the data processing difference of each test box is used as the data sampling period of the corresponding test box, and all preliminary processing data of the corresponding test box are sampled based on the data sampling period of each test box to obtain all sampling data of each test box as the temperature processing data of the corresponding test box.

4. The energy-saving control method for a water-cooled test chamber cold water system according to claim 1 is characterized in that: S201: constructing a temperature prediction matrix for each test chamber based on the temperature processing data of each test chamber, including: S2011: All temperature treatment values ​​in the temperature treatment data of each test box are sorted and defined in time sequence starting from 1 to obtain an ordinal definition result, and the temperature treatment value of each test box is subtracted from the left and right adjacent values ​​to obtain a left difference value and a right difference value of the temperature treatment value of each test box, and the left difference value of the temperature treatment value of each test box with ordinal number 1 is set to be equal to the right difference value; S2012: Based on the temperature processing value of each test box and the left difference value and the right difference value, a temperature prediction matrix for each test box is constructed, which is: Among them, Q is the temperature prediction matrix of the test box, q1 is the temperature processing value of the test box with ordinal number 1, q2 is the temperature processing data of the test box with ordinal number 2, and q n is the temperature treatment value of the test chamber with ordinal number n, n is the number of all monitoring data of the test chamber, w q1 is the left difference value of the temperature treatment value of the test chamber with ordinal number 1, e q1 is the right difference value of the temperature treatment value of the test chamber with ordinal number 1, w q2 is the left difference value of the temperature treatment value of the test chamber with ordinal number 2, e q2 is the right difference value of the temperature treatment value of the test chamber with ordinal number 2, w qn is the left difference value of the temperature treatment value of the test chamber with ordinal number n, e qn It is the right difference value of the temperature treatment value of the test chamber with sequence number n.

5. The energy-saving control method for a water-cooled test chamber cold water system according to claim 1 is characterized in that: S202: Obtaining a predicted temperature value of each test box at the next temperature collection moment based on the temperature prediction matrix of each test box, including: S2021: taking the time after the current time and the time that is the data sampling period of a single test box as the next temperature collection time of the corresponding test box; S2022: Obtain the mean of all matrix elements in the third row of the temperature prediction matrix of each test box, and set the matrix elements in the temperature prediction matrix of each test box, which are the right difference values ​​of the temperature treatment values ​​of the test box with ordinal number n, to a value equal to the mean, to obtain a new matrix, and use the rank of the new matrix as the predicted temperature value of each test box at the next temperature collection moment.

6. The energy-saving control method for a water-cooled test chamber cold water system according to claim 1 is characterized in that: S301: Determine all non-controlled test boxes based on the judgment results of all test boxes, and draw a punctuation connection diagram for all test boxes based on all non-controlled test boxes and test box position data to obtain a punctuation connection diagram, including: S3011: Obtain the judgment results of all test chambers, and treat the test chambers among all the test chambers for which the judgment result is that the compressor of the corresponding test chamber is not controlled as non-controlled test chambers; S3012: Acquire the test box location data, and obtain the placement positions of all the test boxes in the same cold water system based on the test box location data, determine the coordinate representation of the bottom surface of each test box, and determine the coordinate point of the geometric center of the bottom surface of each test box based on the coordinate representation of the bottom surface of each test box as the icon point of the corresponding test box, and regard the icon points of all the test boxes in the cold water system, except the control test box, as all available icon points; S3013: Connect all available icon points to obtain a punctuation connection diagram.

7. The energy-saving control method for a water-cooled test chamber cold water system according to claim 1 is characterized in that: S302: Coordinate and control the compressors of all test boxes based on the preset temperature threshold and the dot-connection diagram to obtain control results, including: S3021: Obtain the nearest icon point for each icon point in the punctuation connection graph; S3022: taking each icon point as the origin and the preset influence distance as the radius to obtain the influence range of each icon point, and taking all icon points remaining within the influence range of each icon point except the nearest graphic expression as all the influence icon points of each icon point; S3023: Determine a plurality of icon point combinations, wherein all the influencing icon points of all the icon points in each icon point combination include all the remaining icon points in the punctuation connection diagram except all the icon points in the corresponding icon point combination; S3024: taking all icon points in the icon point combination with the least number of icon points as coordination control icon points; S3025: Start the compressors of the test boxes corresponding to all the coordination control icon points until the real-time temperatures of all the test boxes in the punctuation connection diagram are no higher than the preset temperature threshold, and then turn off the compressors of all the test boxes corresponding to the coordination control icon points.

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