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CN-122000543-A - Battery plate turbulence structure self-adaptive adjusting control method based on parameter analysis

CN122000543ACN 122000543 ACN122000543 ACN 122000543ACN-122000543-A

Abstract

The invention discloses a self-adaptive regulation control method of a battery plate turbulence structure based on parameter analysis, which relates to the field of heat dissipation of a battery plate and solves the problem that the turbulence effect of a battery plate corresponding to the turbulence structure is attenuated due to the fact that heat dissipation cannot be conducted at fixed points when the temperature of a local area of the surface of the battery plate is abnormal at present; the method comprises the steps of setting a test battery cooling plate and a turbulence structure of the test battery cooling plate, adjusting the turbulence structure of the test battery cooling plate, judging whether an abnormal subarea is in a normal running state, adjusting the turbulence structure of the test battery cooling plate, and judging whether the test battery cooling plate releases the abnormal running state according to the real-time temperature of the back of the adjusted test battery cooling plate.

Inventors

  • GUO XIAODONG
  • LU DIPING

Assignees

  • 无锡佳龙换热器股份有限公司

Dates

Publication Date
20260508
Application Date
20260202

Claims (10)

  1. 1. The self-adaptive regulation control method for the turbulence structure of the battery plate based on parameter analysis is characterized by comprising the following steps: step S1, detecting the operation states of a battery cooling plate array and a battery cooling plate according to real-time battery data, and acquiring abnormal state data and abnormal turbulence structure data of an abnormal battery cooling plate according to detection results; step S2, setting the test battery cooling plate and the turbulence structure of the test battery cooling plate according to the abnormal state data and the abnormal turbulence structure data of the abnormal battery cooling plate; Step S3, adjusting the turbulence structure of the test battery cooling plate through the test state data, and judging whether the abnormal subarea is in a normal running state according to the adjusted local real-time temperature of the test battery cooling plate; and S4, adjusting the turbulence structure of the test battery cooling plate based on the test state data and the real-time temperature of the back, and judging whether the test battery cooling plate releases the abnormal operation state or not according to the real-time temperature of the back of the adjusted test battery cooling plate.
  2. 2. The adaptive regulation control method of a battery plate turbulence structure based on parameter analysis according to claim 1, wherein the turbulence structure of the battery cooling plate comprises turbulence columns, ribs and a vortex generator; The real-time battery data are the array real-time voltage value and the array real-time current value of the battery cooling plate array, and the battery real-time voltage value and the battery real-time current value of all the battery cooling plates in the battery cooling plate array.
  3. 3. The adaptive regulation control method for a turbulence structure of a battery panel based on parameter analysis according to claim 2, wherein the step S1 comprises the following sub-steps: Step S11, acquiring an array real-time voltage value and an array real-time current value which are output by a battery cooling plate array; step S12, multiplying the array real-time voltage value by the array real-time current value to calculate the array real-time power of the battery cooling plate array; s13, subtracting the standard power of the array from the real-time power of the array, taking an absolute value, and calculating to obtain an array power difference of the battery cooling plate array; When the array power difference is greater than or equal to the power difference threshold, judging that the operation state of the battery cooling plate array is an abnormal operation state, and entering step S14; when the power difference of the array is smaller than the power difference threshold value, judging that the running state of the battery cooling plate array is a normal running state, and not performing any operation; Step S14, obtaining battery real-time voltage values and battery real-time current values of all battery cooling plates, and multiplying the battery real-time voltage values by the battery real-time current values to calculate and obtain real-time output power of the corresponding battery cooling plates; step S15, adding and summing the real-time outputs of the batteries of all the battery cooling plates, taking an average value, calculating to obtain the average power of the batteries of the battery cooling plates, and calculating to obtain the standard deviation of the power of the battery cooling plates through a standard deviation formula; Step S16, the product of the safety coefficient multiplied by the power standard deviation is added with the average power of the battery, the maximum endpoint value of the safety power interval is obtained through calculation, the product of the safety coefficient multiplied by the power standard deviation is subtracted from the average power of the battery, the minimum endpoint value of the safety power interval is obtained through calculation, and the safety power interval of the battery cooling plate is constructed by the maximum endpoint value and the minimum endpoint value; Step S17, when the real-time output power of the battery cooling plate belongs to a safe power interval, judging that the operation state of the corresponding battery cooling plate is a normal operation state, and not performing any operation; When the real-time output power of the battery cooling plate does not belong to the safe power interval, judging that the running state of the corresponding battery cooling plate is an abnormal running state, marking the corresponding battery cooling plate as an abnormal battery cooling plate, and entering step S18; s18, collecting abnormal state data of an abnormal battery cooling plate; step S19, collecting abnormal turbulence structure data of the abnormal battery cooling plate.
  4. 4. The adaptive regulation control method of the battery plate turbulence structure based on the parameter analysis according to claim 3, wherein the acquisition process of the abnormal state data is specifically as follows: Step S1801, equally dividing the back of the abnormal battery cooling plate into a fixed number of back sub-areas, obtaining local real-time temperatures corresponding to the area centers of all the back sub-areas, summing all the local real-time temperatures, taking an average value, and calculating to obtain the back abnormal temperature of the abnormal battery cooling plate; Step S1802, dividing the front of the abnormal battery cooling plate into a fixed number of front subareas, obtaining the illumination intensity received by all the front subareas, summing the illumination intensities of all the front subareas, taking an average value, and calculating to obtain the real-time illumination intensity of the abnormal battery cooling plate; step S1803, obtaining a pitch angle and a horizontal rotation angle of the abnormal battery cooling plate; step S1804, constructing a two-dimensional coordinate system of the abnormal battery cooling plate by taking any vertex of the abnormal battery cooling plate as an origin; step S1805, installing wind speed sensors on the back surface of the abnormal battery cooling plate corresponding to the four vertex positions, and obtaining the wind speed and the wind direction measured by each wind speed sensor; step S1806, converting wind speeds of all vertexes into a transverse wind speed vector and a longitudinal wind speed vector; Step S1807, adding and summing the transverse wind speed vectors of all vertexes, taking an average value to calculate an average transverse wind speed, and simultaneously adding and summing the longitudinal wind speed vectors of all vertexes, taking an average value to calculate an average longitudinal wind speed; Step S1808, calculating the real wind direction of the position of the abnormal battery cooling plate; Step S1809, merging and summarizing the abnormal temperature, real-time illumination intensity, pitch angle, horizontal rotation angle and real wind direction of the back surface of the abnormal battery cooling plate in the abnormal operation state, and the corresponding local real-time temperature of all the subareas of the abnormal battery cooling plate into abnormal state data of the abnormal battery cooling plate.
  5. 5. The adaptive regulation control method of the battery plate turbulence structure based on the parameter analysis according to claim 3, wherein the acquisition process of the abnormal turbulence structure data is specifically as follows: step S1901, constructing a two-dimensional coordinate system of the turbulent flow structure by taking any vertex of the turbulent flow structure as an origin, then acquiring turbulent flow column coordinates of all turbulent flow columns in the turbulent flow structure, and simultaneously acquiring the height and the distance of the turbulent flow columns; Step 1902, obtaining the fin heights, fin pitches and fin angles of all fins in the turbulence structure; Step S1903, obtaining generator coordinates of a vortex generator in the vortex structure through a two-dimensional coordinate system of the vortex structure, and simultaneously obtaining generator angles of the vortex generator; And step 1904, merging and summarizing the data acquired in the steps 1901-1903 into abnormal turbulence structure data of the abnormal battery cooling plate.
  6. 6. The adaptive regulation control method for a turbulence structure of a battery panel based on parameter analysis according to claim 3, wherein the step S2 comprises the following sub-steps: Step S21, randomly selecting a battery cooling plate from the battery cooling plates in the same batch as a test battery cooling plate; s22, setting a turbulence structure for testing the back surface of the battery cooling plate according to abnormal turbulence structure data; Step S23, adjusting the angle of the test battery cooling plate according to the pitch angle and the horizontal rotation angle of the abnormal battery cooling plate; step S24, setting the illumination intensity received by the back surface of the test battery cooling plate as the real-time illumination intensity of the abnormal battery cooling plate in an abnormal operation state; step S25, equally dividing the back of the test battery cooling plate into a fixed number of back sub-areas, obtaining local real-time temperatures corresponding to the area centers of all the back sub-areas on the test battery cooling plate, summing all the local real-time temperatures, taking an average value, and calculating to obtain the back real-time temperature of the test battery cooling plate; When the real-time temperature of the back surface of the test battery cooling plate is not equal to the abnormal temperature of the back surface of the abnormal battery cooling plate, setting the real-time temperature of the back surface of the test battery cooling plate as the abnormal temperature of the back surface of the abnormal battery cooling plate, and entering step S26; When the real-time temperature of the back surface of the test battery cooling plate is equal to the abnormal temperature of the back surface of the abnormal battery cooling plate, the step S26 is entered; and S26, setting the real wind direction at the position of the test battery cooling plate.
  7. 7. The adaptive regulation control method of a spoiler structure based on parameter analysis according to claim 6, wherein the step S2 further comprises the sub-steps of: Step S27, collecting test state data of the test battery cooling plate according to an abnormal state data corresponding collecting process of the abnormal battery cooling plate; Step S28, comparing the corresponding local real-time temperatures of all the back sub-areas of the tested battery cooling plate with the normal temperatures of the sub-areas, judging that the corresponding sub-areas are abnormal sub-areas if any local real-time temperature is larger than the normal temperatures of the sub-areas, and entering the step S3; And S29, when the real-time temperature of the back surface is equal to the safety temperature, judging that the heat dissipation plate of the test battery is abnormal in non-temperature and does not perform any operation, and when the real-time temperature of the back surface is greater than the safety temperature, entering into step S4.
  8. 8. The adaptive regulation control method of a spoiler structure based on parameter analysis according to claim 7, wherein the step S3 comprises the following sub-steps: Step S31, obtaining vertex coordinates corresponding to four vertexes of the abnormal subregion, constructing an abscissa interval of the abnormal subregion according to an abscissa maximum value and an abscissa minimum value in the vertex coordinates, and constructing an ordinate interval of the abnormal subregion according to an ordinate maximum value and an ordinate minimum value in the vertex coordinates; step S32, obtaining the real wind direction of the battery cooling plate to be tested; If the true wind direction is opposite to the positive direction of the transverse axis in the two-dimensional coordinate system of the turbulence structure, a turbulence column and a vortex generator with the transverse coordinates equal to the maximum value of the transverse coordinates are selected; If the true wind direction is the same as the positive direction of the transverse axis in the two-dimensional coordinate system of the vortex structure, a vortex column and a vortex generator with the transverse coordinates equal to the minimum value of the transverse coordinates are selected; step S33, increasing the height of the turbulence columns by a fixed height, increasing the space between the adjacent turbulence columns by a fixed distance, and then obtaining the local real-time temperature of the abnormal subarea after each adjustment of the turbulence structure; When the local real-time temperature is not equal to the normal temperature of the subarea, the spoiler columns are increased by a fixed height again, and meanwhile, the spoiler column spacing between adjacent spoiler columns is increased by a fixed distance until the spoiler column height is equal to the maximum height of the spoiler columns, the spoiler column spacing between adjacent spoiler columns is equal to the maximum spacing, or the local real-time temperature is equal to the normal temperature of the subarea, and the spoiler structure is stopped being adjusted; Step S34, if the height of the spoiler column is equal to the maximum height of the spoiler column or the distance between the spoiler columns is equal to the maximum distance, stopping adjusting the spoiler structure, and determining to enter step S35; if the local real-time temperature is equal to the normal temperature of the sub-area, the adjustment of the turbulence structure is stopped, and the step S37 is entered.
  9. 9. The adaptive regulation control method of a spoiler structure based on parameter analysis according to claim 8, wherein said step S3 further comprises the sub-steps of: step S35, obtaining the generator angle of the vortex generator, reducing the fixed angle by taking the current generator angle as a reference, and then obtaining the local real-time temperature of the abnormal subarea after the generator angle is adjusted; If the local real-time temperature is not equal to the normal temperature of the subarea, reducing the fixed angle again until the local real-time temperature is equal to the normal temperature of the subarea or the generator angle is equal to zero, stopping reducing the generator angle; Step S36, when the local real-time temperature is equal to the normal temperature of the subarea, entering step S37; when the angle of the generator is equal to zero and the local real-time temperature is not equal to the normal temperature of the subarea, judging that the abnormal subarea is a mechanical fault and sending out a repair signal; And step S37, acquiring all local real-time temperatures of the test battery cooling plate again, judging that the abnormal subarea is in a normal running state when all local real-time temperatures of the test battery cooling plate are equal to the normal subarea temperature, and entering step S4.
  10. 10. The adaptive regulation control method of a spoiler structure based on parameter analysis according to claim 9, wherein the step S4 comprises the following sub-steps: Step S41, if the true wind direction is opposite to the positive direction of the transverse axis in the two-dimensional coordinate system of the turbulence structure, selecting a rib and a vortex generator with the transverse coordinates equal to the maximum value of the transverse coordinates; if the true wind direction is the same as the positive direction of the transverse axis in the two-dimensional coordinate system of the turbulence structure, selecting a rib and a vortex generator, wherein the transverse coordinate of the rib and the vortex generator is equal to the minimum value of the transverse coordinate; Step S42, increasing the fin height by a fixed height, increasing the fin distance between adjacent fins by a fixed distance, reducing the fixed angle by taking the current generator angle as a reference, and then obtaining the real-time temperature of the back surface of the battery cooling plate after adjusting the turbulence structure; if the real-time temperature of the back is not equal to the safe temperature, increasing the fin height by a fixed height again, increasing the fin spacing between adjacent fins by a fixed distance, decreasing the generator angle of the vortex generator by a fixed angle, and proceeding to step S43; If the real-time temperature of the back surface is equal to the safe temperature, judging that the abnormal operation state of the heat dissipation plate of the test battery is relieved; Step S43, obtaining real-time temperature of the back surface of the battery cooling plate after each adjustment of the turbulence structure; When the back real-time temperature is not equal to the safety temperature, the fin height is equal to the maximum height, the fin spacing between adjacent fins is equal to the maximum fin spacing or the generator angle of the vortex generator is equal to any one of zero, judging that the test battery cooling plate is in mechanical failure, and sending out a repair signal; And when the real-time temperature of the back surface is equal to the safe temperature, judging that the abnormal operation state of the heat dissipation plate of the test battery is relieved.

Description

Battery plate turbulence structure self-adaptive adjusting control method based on parameter analysis Technical Field The invention belongs to the technical field of heat dissipation of battery plates, and particularly relates to a self-adaptive adjusting and controlling method of a battery plate turbulence structure based on parameter analysis. Background The turbulence structure of the panel refers to a generic term for structural units which are arranged on the back surface of the panel or in the flow area near the wall of the panel and are used for actively or passively changing the airflow shape, improving the heat exchange efficiency and inhibiting the abnormal temperature distribution. The structure does not directly generate a cold source, but forms acceleration flow, shear flow and stable vortex on the surface of the battery plate by guiding natural wind or environmental airflow, weakens a thermal boundary layer attached to the surface of the battery plate, and enables heat to be transferred to external air more efficiently. In the prior art, when the temperature of a local area corresponding to the surface of a battery plate of a power battery of a new energy automobile is abnormal, fixed-point heat dissipation is difficult to perform, and when the environment of the battery plate is changed, the turbulence effect of the original battery plate corresponding to a turbulence structure may be attenuated; therefore, the invention provides a self-adaptive regulation control method for the turbulence structure of the battery plate based on parameter analysis. Disclosure of Invention The invention aims to provide a battery plate turbulence structure self-adaptive adjustment control method based on parameter analysis so as to solve the problems in the background technology. The technical problems to be solved by the invention are as follows: How to adjust the turbulence structure based on the abnormal temperature to eliminate the abnormal heat dissipation plate of the battery. The aim of the invention can be achieved by the following technical scheme: A battery plate turbulence structure self-adaptive adjustment control method based on parameter analysis comprises the following steps: step S1, detecting the operation states of a battery cooling plate array and a battery cooling plate according to real-time battery data, and acquiring abnormal state data and abnormal turbulence structure data of an abnormal battery cooling plate according to detection results; step S2, setting the test battery cooling plate and the turbulence structure of the test battery cooling plate according to the abnormal state data and the abnormal turbulence structure data of the abnormal battery cooling plate; Step S3, adjusting the turbulence structure of the test battery cooling plate through the test state data, and judging whether the abnormal subarea is in a normal running state according to the adjusted local real-time temperature of the test battery cooling plate; and S4, adjusting the turbulence structure of the test battery cooling plate based on the test state data and the real-time temperature of the back, and judging whether the test battery cooling plate releases the abnormal operation state or not according to the real-time temperature of the back of the adjusted test battery cooling plate. As a further scheme of the invention, the turbulence structure of the battery cooling plate comprises turbulence columns, ribs and a vortex generator; The real-time battery data are the array real-time voltage value and the array real-time current value of the battery cooling plate array, and the battery real-time voltage value and the battery real-time current value of all the battery cooling plates in the battery cooling plate array. As a further aspect of the present invention, the step S1 includes the following sub-steps: Step S11, acquiring an array real-time voltage value and an array real-time current value which are output by a battery cooling plate array; step S12, multiplying the array real-time voltage value by the array real-time current value to calculate the array real-time power of the battery cooling plate array; s13, subtracting the standard power of the array from the real-time power of the array, taking an absolute value, and calculating to obtain an array power difference of the battery cooling plate array; When the array power difference is greater than or equal to the power difference threshold, judging that the operation state of the battery cooling plate array is an abnormal operation state, and entering step S14; when the power difference of the array is smaller than the power difference threshold value, judging that the running state of the battery cooling plate array is a normal running state, and not performing any operation; Step S14, obtaining battery real-time voltage values and battery real-time current values of all battery cooling plates, and multiplying the battery real-time voltage values by the