Constant temperature control method and system of explosion-proof power distribution cabinet and storage medium

Abstract

The invention provides a constant temperature control method and system of an explosion-proof power distribution cabinet and a storage medium, a plurality of temperature detectors are uniformly arranged in the explosion-proof power distribution cabinet, the number of the temperature detectors is smaller than the number of working devices included in the explosion-proof power distribution cabinet, and the method comprises the following steps: obtaining a detection temperature group, the detection temperature group comprises a detection temperature value detected by each temperature detector at the same moment; generating a temperature distribution diagram in the explosion-proof power distribution cabinet based on the detected temperature group; judging whether the explosion-proof power distribution cabinet needs to be subjected to temperature adjustment operation or not through the temperature distribution diagram, if so, obtaining a temperature adjustment signal corresponding to the temperature adjustment operation, and performing constant temperature control on the explosion-proof power distribution cabinet based on the temperature adjustment signal; if not, continuing to wait for obtaining the detection temperature group. According to the invention, constant temperature control can be accurately carried out on the explosion-proof power distribution cabinet at low cost.

Description

Technical Field

[0001] The present application relates to the technical field of explosion-proof power distribution cabinets, and in particular to a constant temperature control method, system and storage medium for an explosion-proof power distribution cabinet. Background Art

[0002] As the degree of social industrialization increases, the demand for electricity will also increase, and the number of related power projects will also increase. Among them, electric cabinets are also needed in some poor environments. Among them, explosion-proof distribution cabinets are a type of distribution equipment designed for high-risk and explosive environments. In order to ensure safety, explosion-proof distribution cabinets are given priority in some poor environments. However, in order to enable the explosion-proof distribution cabinet to work normally in the environment, it is necessary to keep the environment inside the explosion-proof distribution cabinet at a constant temperature to reduce the occurrence of explosion-proof distribution cabinets that cannot work due to environmental factors.

[0003] Traditionally, a single temperature detector is installed inside the explosion-proof distribution cabinet to characterize the temperature value in the explosion-proof distribution cabinet. However, the working conditions of different components in the explosion-proof distribution cabinet are different, so that only a single temperature detector cannot well characterize the temperature in the explosion-proof distribution cabinet, which leads to inaccurate subsequent constant temperature control operations based on the temperature value.

[0004] In order to be able to perform constant temperature control on the explosion-proof distribution cabinet more accurately, a temperature detector can be set at each working device in the explosion-proof distribution cabinet. Although the accurate temperature in the explosion-proof distribution cabinet can be obtained through the set temperature detector, and the subsequent constant temperature control operation can be accurately performed according to the temperature value, it will increase the control cost. Summary of the invention

[0005] In order to perform constant temperature control on an explosion-proof power distribution cabinet accurately and at low cost, the embodiments of the present application provide a constant temperature control method, system and storage medium for an explosion-proof power distribution cabinet.

[0006] In a first aspect, this embodiment provides a constant temperature control method for an explosion-proof power distribution cabinet, wherein a plurality of temperature detectors are evenly arranged inside the explosion-proof power distribution cabinet, wherein the number of the temperature detectors is less than the number of working devices included in the explosion-proof power distribution cabinet, and the method comprises: Acquire a detected temperature group, wherein the detected temperature group includes a detected temperature value detected by each temperature detector at the same time; Generate a temperature distribution diagram inside the explosion-proof power distribution cabinet based on the detected temperature group; Determine whether the explosion-proof power distribution cabinet needs to be temperature-adjusted by the temperature distribution diagram, and if necessary, obtain a temperature adjustment signal corresponding to the temperature adjustment operation, and perform constant temperature control on the explosion-proof power distribution cabinet based on the temperature adjustment signal; If not needed, continue to wait for obtaining the detection temperature group.

[0007] In some of the embodiments, the temperature detectors are respectively distributed at four corners and a center position of the explosion-proof distribution cabinet.

[0008] In some embodiments, generating a temperature distribution diagram inside the explosion-proof power distribution cabinet based on the detected temperature group includes: Obtaining the position value of each temperature detector, and respectively forming an initial parameter group with the position value and the detected temperature value corresponding to the same temperature detector, wherein each initial parameter group corresponds to a uniquely determined orientation attribute; Determine whether any two of all the initial parameter groups belong to adjacent positions based on the orientation attribute, substitute the two initial parameter groups belonging to adjacent positions into a preset interpolation learning model to obtain interpolation temperature values ​​at several positions on the position line corresponding to the two initial parameter groups, and form an interpolation parameter group with the interpolation temperature values ​​and the corresponding position values; All initial parameter groups and interpolation parameter groups are substituted into the distribution map drawing software to obtain the temperature distribution map.

[0009] In some embodiments, judging whether the explosion-proof power distribution cabinet needs to be temperature-adjusted by the temperature distribution diagram includes: Obtain the color change interval in the temperature distribution diagram, and determine whether the color change interval falls into the preset change interval corresponding to the preset temperature. If so, the explosion-proof power distribution cabinet does not need to perform temperature adjustment operation; If it does not fall in, the explosion-proof distribution cabinet needs to be temperature-adjusted.

[0010] In some embodiments, the temperature adjustment signal includes a first temperature adjustment signal, a second temperature adjustment signal, and a third temperature adjustment signal, and obtaining the temperature adjustment signal corresponding to the temperature adjustment operation includes: Obtaining an average temperature value corresponding to the temperature distribution diagram, determining whether the average temperature value exceeds a preset lower limit temperature value corresponding to the preset change interval, and if not, generating a first temperature adjustment signal indicating that external heating is required, so as to open an external interaction channel to perform internal heating operation; If it exceeds, determining whether the average temperature value exceeds the preset upper limit temperature value corresponding to the preset change interval; if it does not exceed the preset upper limit temperature value, generating a second temperature adjustment signal indicating that only internal temperature adjustment work needs to be performed, so as to start the internal temperature adjustment device to perform only the internal temperature cycle operation; If the preset upper temperature limit is exceeded, a third temperature control signal is generated to indicate that internal and external temperature control operations need to be performed, so as to open an external interactive channel and start an internal temperature control device to perform a cooling operation.

[0011] In some embodiments, the third temperature adjustment signal includes an internal temperature adjustment signal and an external temperature adjustment signal, and generating the third temperature adjustment signal indicating that the internal temperature adjustment work and the external temperature adjustment work need to be performed includes: When it is determined that the average temperature value does not exceed the preset upper limit temperature value corresponding to the preset change interval, an internal temperature adjustment signal is generated to perform an internal temperature adjustment operation; Obtaining the interaction temperature corresponding to the external interaction channel inside from the temperature distribution diagram, determining whether the interaction temperature is less than the average temperature value, and if not, generating an external temperature adjustment signal to perform external temperature adjustment work; If it is less than, continue to obtain the interaction temperature.

[0012] In some embodiments, the step of obtaining the detected temperature group further includes: Obtaining a predicted temperature group corresponding to the detected temperature group, determining whether the predicted temperature group and the detected temperature group are within an allowable error range, and if so, generating a temperature distribution map inside the explosion-proof power distribution cabinet based on the detected temperature group; If not, the detected temperature group is updated to the predicted temperature group to obtain the detected temperature group again, and a temperature distribution diagram inside the explosion-proof power distribution cabinet is generated based on the detected temperature group.

[0013] In a second aspect, the present embodiment provides a constant temperature control system for an explosion-proof power distribution cabinet, wherein a plurality of temperature detectors are evenly arranged inside the explosion-proof power distribution cabinet, wherein the number of the temperature detectors is less than the number of working devices included in the explosion-proof power distribution cabinet, and the system comprises: an acquisition module, a processing module and a temperature control module; wherein, The acquisition module is used to acquire a detection temperature group, wherein the detection temperature group includes a detection temperature value detected by each temperature detector at the same time; The processing module is used to generate a temperature distribution diagram inside the explosion-proof power distribution cabinet based on the detected temperature group, and determine whether the explosion-proof power distribution cabinet needs to be temperature-adjusted by the temperature distribution diagram; The temperature control module is used to obtain a temperature control signal corresponding to the temperature control operation if the explosion-proof power distribution cabinet needs to be temperature-controlled, and to perform constant temperature control on the explosion-proof power distribution cabinet based on the temperature control signal; The acquisition module is also used to continue waiting for acquisition of the detection temperature group if the explosion-proof power distribution cabinet does not need to perform temperature adjustment operation.

[0014] In some of the embodiments, the system further comprises a diagnostic module; wherein, The diagnostic module is used to obtain the predicted temperature group corresponding to the detected temperature group, and determine whether the predicted temperature group and the detected temperature group are within an allowable error range; The processing module is also used to generate a temperature distribution map inside the explosion-proof distribution cabinet based on the detected temperature group if the predicted temperature group and the detected temperature group are within an allowable error range; if not within the allowable error range, update the detected temperature group to the predicted temperature group to obtain the detected temperature group again, and generate a temperature distribution map inside the explosion-proof distribution cabinet based on the detected temperature group.

[0015] In a third aspect, this embodiment provides a computer-readable storage medium on which a computer program that can be run on a processor is stored. When the computer program is executed by the processor, a constant temperature control method for an explosion-proof distribution cabinet as described in the first aspect is implemented.

[0016] By adopting the above method, the interior of the explosion-proof distribution cabinet in the present application is evenly provided with a number of temperature detectors, and the number of temperature detectors is less than the number of working devices contained in the explosion-proof distribution cabinet. In constant temperature control, a detection temperature group is first obtained, wherein the detection temperature group contains a detection temperature value detected by each temperature detector at the same time. Then, a temperature distribution diagram inside the explosion-proof distribution cabinet is generated based on the detection temperature group, and it is judged whether the explosion-proof distribution cabinet needs to be thermostatically operated by the temperature distribution diagram. If necessary, a temperature adjustment signal corresponding to the temperature adjustment operation is obtained, and the explosion-proof distribution cabinet is thermostatically controlled based on the temperature adjustment signal. If not, continue to wait for the detection temperature group to be obtained. In this way, the temperature inside the explosion-proof distribution cabinet can be fully and accurately obtained by using only a small number of temperature detectors, so that constant temperature control is further performed according to the comprehensive and accurate temperature value obtained, so as to achieve low-cost and accurate constant temperature control of the explosion-proof distribution cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a block diagram of a constant temperature control method for an explosion-proof distribution cabinet provided in an embodiment of the present application.

[0018] Figure 2 It is a schematic diagram of the internal position of the temperature detector provided in the embodiment of the present application in an explosion-proof distribution cabinet.

[0019] Figure 3 It is a block diagram of generating a temperature distribution diagram inside an explosion-proof power distribution cabinet based on a detected temperature group provided in an embodiment of the present application.

[0020] Figure 4 It is a block diagram of obtaining a temperature control signal corresponding to a temperature control operation provided in an embodiment of the present application.

[0021] Figure 5 It is a connection diagram of a constant temperature control system of an explosion-proof power distribution cabinet provided in an embodiment of the present application. DETAILED DESCRIPTION

[0022] In order to more clearly understand the purpose, technical solutions and advantages of the present application, the present application is described and illustrated below in conjunction with the accompanying drawings and embodiments. However, it should be understood by those of ordinary skill in the art that the present application can be implemented without these details. For those of ordinary skill in the art, it is obvious that various changes can be made to the embodiments disclosed in the present application, and without departing from the principles and scope of the present application, the general principles defined in the present application can be applied to other embodiments and application scenarios. Therefore, the present application is not limited to the embodiments shown, but conforms to the broadest scope consistent with the scope claimed for protection in the present application.

[0023] The embodiments of the present application are further described in detail below in conjunction with the drawings in the specification.

[0024] The explosion-proof distribution cabinet is made of steel plates with good explosion-proof performance. In order to ensure safety, a more sealed structure is used than ordinary distribution cabinets to prevent explosive gases from entering the explosion-proof distribution cabinet. Among them, the explosion-proof distribution cabinet in the present application is provided with an internal heat circulation pipeline. When the internal heat circulation pipeline is used, the heat inside the explosion-proof distribution cabinet can flow inside the explosion-proof distribution cabinet, cool down the places with higher temperatures, and heat up the places with lower temperatures, so that the temperatures of various places inside the explosion-proof distribution cabinet tend to the same temperature. The explosion-proof distribution cabinet in the present application is also provided with an external interactive channel. The flow of liquid in the external interactive channel can transport the heat inside the explosion-proof distribution cabinet to the outside of the explosion-proof distribution cabinet, or increase the temperature inside the distribution cabinet, so that the internal temperature of the explosion-proof distribution cabinet is dynamically at a constant temperature.

[0025] A temperature detector refers to a device that can detect temperature, including but not limited to temperature sensors, thermometers, etc. Several temperature detectors are evenly arranged inside the explosion-proof distribution cabinet, and in order to make the explosion-proof distribution cabinet work normally, the explosion-proof distribution cabinet originally has working devices such as capacitors, resistors, inductors, transformers, etc. Among them, in this application, the number of temperature detectors is less than the number of working devices contained in the explosion-proof distribution cabinet, and a temperature detector is not arranged next to each working device. Figure 1 1 is a block diagram of a method for controlling the constant temperature of an explosion-proof power distribution cabinet provided in an embodiment of the present application. Figure 1 As shown, a constant temperature control method for an explosion-proof power distribution cabinet includes the following steps: Step S100 , obtaining a detected temperature group, wherein the detected temperature group includes a detected temperature value detected by each temperature detector at the same time.

[0026] The explosion-proof power distribution cabinet has six surfaces inside, all working devices are installed on one of the surfaces, and the temperature detectors are installed on the same surface as the working devices. The temperature detectors are evenly arranged on this surface, for example, all temperature detectors can be arranged on this surface in a rectangular array, or in a triangular array, or in a radial array, etc. This embodiment is described by taking the example of all temperature detectors being arranged on this surface in a radial array. Figure 2 Schematic diagram of the internal position of the temperature detector provided in the embodiment of the present application in the explosion-proof power distribution cabinet. Figure 2 As shown, the temperature detectors are respectively distributed at the four corners and the center of the explosion-proof distribution cabinet. That is, the temperature monitors arranged inside the explosion-proof distribution cabinet in the present application include an upper left temperature detector, a lower left temperature detector, an upper right temperature monitor, a lower right temperature detector and a center temperature detector. In order to ensure the normal operation of the explosion-proof distribution cabinet, the number of working components in the explosion-proof distribution cabinet is far more than five, and the number of temperature detectors is less than the number of working components contained in the explosion-proof distribution cabinet. By adopting such an arrangement, the temperature detector can obtain the boundary temperature and center temperature of this space at a macroscopic level with only a small number of temperature detectors, providing a small amount of comprehensive temperature values ​​for obtaining a more accurate temperature distribution map in the subsequent process, so as to facilitate the subsequent rapid acquisition of a more accurate temperature distribution map.

[0027] Each temperature detection device uses a fixed and identical sampling frequency to collect the detected temperature value, and sends the collected detected temperature value to the controller, so that the controller receives a detected temperature group at a fixed interval, and the detected temperature group contains a detected temperature value detected by each temperature detector at the same time. This embodiment describes a constant temperature control method for an explosion-proof power distribution cabinet from the perspective of the controller.

[0028] The temperature detector does not always work properly, and there may be problems such as failures. In order to reduce the impact of the temperature detector's own failures on the detection temperature group, and thus affect the subsequent constant temperature control, after obtaining the detection temperature group, the controller also includes: obtaining the predicted temperature group corresponding to the detection temperature group, judging whether the predicted temperature group and the detection temperature group are within the allowable error range, if so, generating a temperature distribution map inside the explosion-proof distribution cabinet based on the detection temperature group; if not, updating the detection temperature group to the predicted temperature group to obtain the detection temperature group again, and generating a temperature distribution map inside the explosion-proof distribution cabinet based on the detection temperature group.

[0029] The above-mentioned predicted temperature group refers to a set of temperature values ​​obtained by substituting the most recent detection temperature group generated by the explosion-proof distribution cabinet into the trained temperature prediction model. Among them, the temperature prediction model refers to a model trained based on the detection temperature group generated by the explosion-proof distribution cabinet during the test phase. The temperature prediction model is stored in the controller. The temperature prediction model can only predict a set of temperature values ​​at the next moment each time. The temperature pre-stored model stores the output temperature value in the controller.

[0030] By checking the latest predicted temperature group stored in the controller, the predicted temperature group corresponding to the detection temperature group can be obtained. When the explosion-proof power distribution cabinet just starts working, the predicted temperature group corresponding to the detection temperature group obtained is the detection temperature group by default.

[0031] After obtaining the predicted temperature group, the temperature values ​​of the predicted temperature group and the detection temperature group corresponding to the same temperature detector are respectively processed to obtain the temperature difference corresponding to each temperature detector. If all temperature differences are less than the predicted temperature difference, it means that the predicted temperature group and the detection temperature group are within the allowable error range. If there is at least one temperature difference that is not less than the predicted temperature difference, it means that the predicted temperature group and the detection temperature group are not within the allowable error range. Among them, the predicted temperature difference is set by the staff according to actual needs, and the predicted temperature difference is set taking into account the constant temperature control accuracy and the normal error of the temperature prediction model.

[0032] When it is determined that the predicted temperature group and the detected temperature group are within the allowable error range, it indicates that all temperature detectors are working normally, then the subsequent work is directly carried out, that is, the temperature distribution map inside the explosion-proof distribution cabinet is generated based on the detected temperature group.

[0033] When it is determined that the predicted temperature group and the detected temperature group are not within the allowable error range, it indicates that some temperature detectors are faulty and not working properly. At this time, in order to reduce the impact of the temperature detector failure on the subsequent constant temperature control, the data in the detected temperature group is directly updated with the data in the predicted temperature group to replace the data in the detected temperature group, thereby obtaining a new detected temperature group, and then using the latest detected temperature group for subsequent work, that is, generating a temperature distribution map of the explosion-proof power distribution cabinet based on the detected temperature group. In this way, the fault detection of the temperature detector can be completed during the constant temperature control process without adding additional hardware, and a more accurate data basis can be provided for subsequent constant temperature control at a low cost.

[0034] In addition, after determining that the predicted temperature group and the detected temperature group are not within the allowable error range, the controller also generates an alarm signal to remind relevant personnel to repair or replace the temperature detector inside the explosion-proof distribution cabinet in time to reduce the impact on subsequent constant temperature control.

[0035] Step S200: generating a temperature distribution diagram inside the explosion-proof power distribution cabinet based on the detected temperature group.

[0036] Figure 3 1 is a block diagram of generating a temperature distribution diagram inside an explosion-proof power distribution cabinet based on a detected temperature group provided in an embodiment of the present application. Figure 3 As shown, generating a temperature distribution diagram inside an explosion-proof power distribution cabinet based on a detected temperature group includes the following steps: Step S201, obtaining the position value of each temperature detector, and respectively forming an initial parameter group with the position value and the detected temperature value corresponding to the same temperature detector, wherein each initial parameter group corresponds to a uniquely determined orientation attribute.

[0037] Step S202, based on the orientation attributes, determine whether any two initial parameter groups among all the initial parameter groups belong to adjacent positions, substitute the two initial parameter groups belonging to adjacent positions into the preset interpolation model respectively to obtain the interpolation temperature values ​​at several positions on the position line corresponding to the two initial parameter groups, and form an interpolation parameter group with the interpolation temperature values ​​and the corresponding position values.

[0038] Step S203, all the initial parameter groups and interpolation parameter groups are substituted into the distribution map drawing software to obtain the temperature distribution map.

[0039] Once the temperature detector is installed inside the explosion-proof power distribution cabinet, the position of the temperature detector is fixed. The staff can send the position value of each temperature detector to the controller, so that the controller can obtain the position value of each temperature detector. Alternatively, a positioning device can be installed on the temperature detector, and the detected position value can be sent to the controller through the positioning device, so that the controller can obtain the position value of each temperature detector.

[0040] Then, the position value corresponding to the same temperature detector is placed in the first storage position of a two-dimensional array, and the detected temperature value is placed in the second storage position of the two-dimensional array, so as to obtain the initial parameter group corresponding to each temperature detector. Each initial parameter group corresponds to a uniquely determined orientation attribute, for example, the initial parameter group corresponding to the temperature detector located in the upper left corner is determined as the upper left orientation attribute, the initial parameter group corresponding to the temperature detector located in the lower left corner is determined as the lower left orientation attribute, the initial parameter group corresponding to the temperature detector located in the upper right corner is determined as the upper right orientation attribute, the initial parameter group corresponding to the temperature detector located in the lower right corner is determined as the lower right orientation attribute, and the initial parameter group corresponding to the temperature detector located in the center is determined as the center orientation attribute.

[0041] Based on the concept that the connection between two positions will not involve other temperature detectors as adjacent positions, it can be determined whether the two initial parameter groups are in adjacent positions by checking whether the orientation attributes corresponding to the two initial parameter groups being compared are the upper left orientation attribute and the lower right orientation attribute, or whether they are the lower left orientation attribute and the upper right orientation attribute. If the orientation attributes corresponding to the two initial parameter groups belong to any of the above two situations, it indicates that the two initial parameter groups do not belong to adjacent positions. If the orientation attributes corresponding to the two initial parameter groups do not belong to the above two situations, it indicates that the two initial parameter groups belong to adjacent positions. Among them, the initial parameter group corresponding to the upper left orientation attribute, the initial parameter group corresponding to the lower left orientation attribute, the initial parameter group corresponding to the upper right orientation attribute, and the initial parameter group corresponding to the center orientation attribute all belong to adjacent positions, the initial parameter group corresponding to the lower right orientation attribute, and the initial parameter group corresponding to the lower left orientation attribute, the initial parameter group corresponding to the upper right orientation attribute, and the initial parameter group corresponding to the center orientation attribute all belong to adjacent positions, the initial parameter group corresponding to the upper right orientation attribute and the initial parameter group corresponding to the center orientation attribute belong to adjacent positions, and the initial parameter group corresponding to the lower left orientation attribute and the initial parameter group corresponding to the center orientation attribute belong to adjacent positions.

[0042] After determining the two initial parameter groups belonging to adjacent positions, the two initial parameter groups belonging to adjacent positions are respectively substituted into the preset interpolation learning model to obtain the interpolated temperature values ​​at several positions on the connection line of the two temperature detectors corresponding to the two initial parameter groups. Among them, the preset interpolation learning model is obtained by offline training and stored in the controller. The preset interpolation learning model obtains several position points on the connection line between the positions corresponding to the two position values ​​in the two input initial parameter groups. The number of position points to be inserted can be set, and the number of inserted position points is fixed, so that the preset interpolation model obtains the interpolation position values ​​of the several position points to be interpolated based on the average of the two position points.

[0043] Then, according to the interpolation position value and the detected temperature values ​​in the two initial parameter groups, the preset interpolation model is used to obtain the interpolation temperature values ​​at all the position points that need to be interpolated. Then, the interpolation position value and the interpolation temperature value corresponding to the same position point are combined into an interpolation parameter group, and output through the preset interpolation learning model, so that the controller obtains the interpolation parameter group on the line connecting the upper left temperature detector and the lower left temperature detector, the interpolation parameter group on the line connecting the upper left temperature detector and the upper right temperature detector, the interpolation parameter group on the line connecting the upper left temperature detector and the central temperature detector, the interpolation parameter group on the line connecting the lower right temperature detector and the lower left temperature detector, the interpolation parameter group on the line connecting the lower right temperature detector and the upper right temperature detector, the interpolation parameter group on the line connecting the lower right temperature detector and the central temperature detector, the interpolation parameter group on the line connecting the lower left temperature detector and the central temperature detector, and the interpolation parameter group on the line connecting the upper right temperature detector and the central temperature detector.

[0044] Finally, all the initial parameter groups and interpolation parameter groups are substituted into one of the distribution map drawing software such as Matplotlib, Matlab, ArcGIS, etc., and the temperature distribution map inside the explosion-proof distribution cabinet can be obtained through the distribution map drawing software. In this way, an accurate initial parameter group is first obtained through only a small number of temperature detectors, and then the interpolation parameter group is obtained by soft calculation on the basis of the initial parameter group to increase the number of parameter groups. Finally, all the obtained parameter groups are diffused to obtain the entire temperature distribution map inside the explosion-proof distribution cabinet, so as to achieve low-cost, accurate and comprehensive acquisition of the temperature values ​​of various positions inside the explosion-proof distribution cabinet, which is convenient for the subsequent further constant temperature control of the explosion-proof distribution cabinet.

[0045] Step S300, judging whether the explosion-proof power distribution cabinet needs to be temperature-controlled by the temperature distribution diagram, and if necessary, obtaining a temperature control signal corresponding to the temperature control operation, and performing constant temperature control on the explosion-proof power distribution cabinet based on the temperature control signal.

[0046] Step S400: If not necessary, continue to wait for obtaining the detected temperature group.

[0047] Among them, judging whether the explosion-proof power distribution cabinet needs to be temperature-adjusted by the temperature distribution diagram includes the following steps: Step S301, obtaining the color change interval in the temperature distribution diagram, and determining whether the color change interval falls into the preset change interval corresponding to the preset temperature. If so, the explosion-proof power distribution cabinet does not need to perform temperature adjustment operation.

[0048] Step S302: If it has not fallen in, the explosion-proof power distribution cabinet needs to be temperature adjusted.

[0049] The controller can obtain the color change interval in the temperature distribution map by extracting the colors in the temperature distribution map. The higher the temperature, the warmer the corresponding color, and the lower the temperature, the colder the corresponding color. The above color change interval includes a color change range of all colors in the temperature distribution map from cold to warm, the lower limit of the color change interval is the coldest color in the temperature distribution map, and the upper limit is the warmest color in the temperature distribution map.

[0050] The preset change interval refers to the color change range corresponding to the temperature range that the explosion-proof distribution cabinet is originally set to maintain. The preset change interval also includes a preset interval lower limit and a preset interval upper limit. If the color corresponding to the lower limit of the above color change interval is warmer than the color corresponding to the lower limit of the preset interval, and the color corresponding to the upper limit of the above color change interval is colder than the color corresponding to the upper limit of the preset interval, then it indicates that the color change interval falls into the preset change interval corresponding to the preset temperature; otherwise, it indicates that the color change interval does not fall into the preset change interval corresponding to the preset temperature.

[0051] When the color change interval falls into the preset change interval corresponding to the preset temperature, it indicates that the temperature inside the explosion-proof distribution cabinet is in a constant temperature state. At this time, there is no need to adjust the temperature of the explosion-proof distribution cabinet. At this time, the controller continues to wait for the next time to obtain the detection temperature group.

[0052] When the color change interval does not fall into the preset change interval corresponding to the preset temperature, it indicates that the temperature inside the explosion-proof power distribution cabinet is not in a constant temperature state, and the explosion-proof power distribution cabinet needs to be temperature-adjusted. That is, a temperature adjustment signal corresponding to the temperature adjustment operation is further obtained. The temperature adjustment signal includes a first temperature adjustment signal, a second temperature adjustment signal, and a third temperature adjustment signal. Figure 4 1 is a block diagram of obtaining a temperature adjustment signal corresponding to a temperature adjustment operation provided in an embodiment of the present application. Figure 4 As shown, obtaining a temperature adjustment signal corresponding to a temperature adjustment operation includes the following steps: Step S303, obtaining the average temperature value corresponding to the temperature distribution diagram, and determining whether the average temperature value exceeds the preset lower limit temperature value corresponding to the preset variation interval. If not, generating a first temperature adjustment signal indicating that external heating is required to open an external interaction channel to perform internal heating operation.

[0053] Step S304, if exceeded, determine whether the average temperature value exceeds the preset upper limit temperature value corresponding to the preset change interval; if not, generate a second temperature control signal indicating that only internal temperature control work is required, so as to start the internal temperature control device to perform only internal temperature cycle operation.

[0054] Step S305: if the temperature exceeds the preset upper limit, a third temperature adjustment signal is generated to indicate that internal and external temperature adjustment operations need to be performed, so as to open an external interaction channel and start an internal temperature adjustment device to perform a cooling operation.

[0055] The temperature values ​​corresponding to different colors are marked in the temperature distribution diagram. By averaging the temperature values ​​corresponding to all the colors in the temperature distribution diagram, the average temperature value corresponding to the temperature distribution diagram can be obtained. The preset lower limit temperature value refers to the temperature value corresponding to the lower limit of the preset interval, and the preset upper limit temperature value refers to the temperature value corresponding to the upper limit of the preset interval. By comparing the average temperature value and the preset lower limit temperature value, it can be determined whether the average temperature value exceeds the preset lower limit temperature value corresponding to the preset change interval. If the average temperature value is not greater than the preset lower limit temperature value, then the average temperature value does not exceed the preset lower limit temperature value, indicating that the overall temperature inside the explosion-proof distribution cabinet is too low, and the explosion-proof distribution cabinet needs to be heated up. At this time, the first temperature adjustment signal representing the need for external heating is generated to open an external interactive channel to heat the inside of the explosion-proof distribution box. That is, the controller starts the external interactive channel according to the first temperature adjustment signal, and completes the constant temperature control of the explosion-proof distribution cabinet by transferring the heat outside the explosion-proof distribution cabinet to the inside.

[0056] If the average temperature value is greater than the preset lower limit temperature value, then the temperature inside the explosion-proof distribution cabinet is either constant or too high. In order to further determine which type of internal temperature of the explosion-proof distribution cabinet belongs to, it is necessary to further compare the average temperature value with the preset upper limit temperature value.

[0057] If the average temperature value exceeds the preset lower limit temperature value but does not exceed the preset upper limit temperature value, it indicates that the temperature inside the explosion-proof distribution cabinet is only locally too low and / or locally too high, and the overall average temperature value is at a constant temperature. In order to reduce interaction with the outside, reduce the entry of external dangerous gases into the explosion-proof distribution cabinet, and improve the safety of the explosion-proof distribution cabinet, the controller generates a second temperature control signal indicating that only internal temperature control work needs to be performed. According to the second temperature control signal, the internal temperature control equipment is started to perform only internal temperature circulation operations, so that the temperature inside the explosion-proof distribution cabinet flows, the high temperature is cooled, and the low temperature is heated, so that the temperature inside the explosion-proof distribution cabinet is the same.

[0058] If the average temperature value exceeds the preset upper limit temperature value, it indicates that the overall temperature inside the explosion-proof distribution cabinet is too high, and the explosion-proof distribution cabinet needs to be cooled down. Since the external interactive channel of the explosion-proof distribution cabinet enters the inner wall of the explosion-proof distribution cabinet through the outer wall of the explosion-proof distribution cabinet shell, the working components of the explosion-proof distribution cabinet are mainly installed in the middle position, resulting in the inner wall temperature of the explosion-proof distribution cabinet being lower than the internal temperature. In order to be able to transport all the heat generated inside, it is also necessary to start the internal temperature control equipment to transfer the internal heat to the inner wall. Moreover, the overall temperature inside the explosion-proof distribution cabinet is too high, and it is definitely necessary to use the external interactive channel to transfer heat inside and outside. Therefore, the controller will generate a third temperature control signal that indicates the need for internal and external temperature control work, so as to open the external interactive channel and start the internal temperature control device to cool down the interior of the explosion-proof distribution box. At this time, by generating a first temperature control signal that indicates the need for external heating work, the external interactive channel is opened to heat the interior of the explosion-proof distribution box. That is, the controller starts the external interactive channel according to the first temperature adjustment signal, and completes the constant temperature control of the explosion-proof distribution cabinet by transferring the heat outside the explosion-proof distribution cabinet to the inside.

[0059] The third temperature control signal includes an internal temperature control signal and an external temperature control signal. The generation of the third temperature control signal indicating that the internal temperature control work and the external temperature control work need to be performed includes the following steps: Step S305 - 1 , when it is determined that the average temperature value does not exceed the preset upper limit temperature value corresponding to the preset variation interval, an internal temperature adjustment signal is generated to perform an internal temperature adjustment operation.

[0060] Step S305-2, obtaining the interaction temperature corresponding to the external interaction channel inside from the temperature distribution diagram, and determining whether the interaction temperature is less than the average temperature value. If not, generating an external temperature adjustment signal to perform external temperature adjustment.

[0061] Step S305-3: if it is less than, continue to obtain the interaction temperature.

[0062] Since the working process of the external interactive channel will increase the danger of the explosion-proof distribution cabinet, in order to reduce the working time of the external interactive channel, improve the safety of the explosion-proof distribution cabinet, and speed up the constant temperature control. When it is determined that the average temperature value does not exceed the preset upper limit temperature value corresponding to the preset voltage transformation interval, an internal temperature control signal is generated to perform internal temperature control, and the internal heat circulation pipeline is started first, and the external interactive channel is not started, so that the internal temperature is transferred to the inner wall.

[0063] Once the external interactive channel is installed, its position is determined. By substituting the inner wall position where the external interactive channel is connected to the explosion-proof distribution cabinet into the temperature distribution diagram, the interactive temperature corresponding to the external interactive channel inside can be obtained, and it can be determined whether the interactive temperature is less than the average temperature value. If it is less than, it indicates that the temperature has not been completely transferred inside. The controller continues to obtain the interactive temperature until the interactive temperature is not less than the average temperature value, indicating that the temperature has been completely transferred inside. At this time, an external temperature adjustment signal is generated to perform external temperature adjustment, so that the heat corresponding to the average temperature value can be transferred to the outside, and the internal cooling operation can be performed faster. In this way, on the one hand, the temperature transfer inside can be accelerated, which is convenient for the subsequent startup of the external interactive channel to quickly transfer the heat to the outside; on the other hand, when cooling the inside through the external interactive pipeline, the internal heat can be cooled outside to the greatest extent, which can speed up the cooling operation, shorten the working time of the external interactive pipeline, and reduce the danger of the explosion-proof distribution cabinet. After all, during the entire cooling operation, the external interactive pipeline is not working throughout the whole process, but only starts working at a later stage. When the temperature inside the explosion-proof distribution cabinet is at a constant temperature, it indicates that the temperature adjustment operation of the explosion-proof distribution cabinet is completed. At this time, the external interactive channel and the internal heat circulation pipeline are closed, and the next detection temperature group is waited for, and the above work is restarted to achieve low-cost and accurate constant temperature control of the explosion-proof distribution cabinet.

[0064] Figure 5 Schematic diagram of the connection of a constant temperature control system of an explosion-proof power distribution cabinet provided in an embodiment of the present application. Figure 5 As shown, a constant temperature control system of an explosion-proof power distribution cabinet includes an acquisition module, a processing module, a temperature control module and a diagnosis module.

[0065] Among them, the acquisition module is used to obtain the detection temperature group, wherein the detection temperature group contains a detection temperature value detected by each temperature detector at the same time. The processing module is used to generate a temperature distribution map inside the explosion-proof distribution cabinet based on the detection temperature group, and judge whether the explosion-proof distribution cabinet needs to be temperature-adjusted by the temperature distribution map. The temperature control module is used to obtain the temperature adjustment signal corresponding to the temperature adjustment operation if the explosion-proof distribution cabinet needs to be temperature-adjusted, and perform constant temperature control on the explosion-proof distribution cabinet based on the temperature adjustment signal. The acquisition module is also used to continue to wait for the acquisition of the detection temperature group if the explosion-proof distribution cabinet does not need to be temperature-adjusted. The diagnosis module is used to obtain the predicted temperature group corresponding to the detection temperature group, and judge whether the predicted temperature group and the detection temperature group are within the allowable error range. The processing module is also used to generate a temperature distribution map inside the explosion-proof distribution cabinet based on the detection temperature group if the predicted temperature group and the detection temperature group are within the allowable error range; if not within the allowable error range, the detection temperature group is updated to the predicted temperature group to obtain the detection temperature group again, and the temperature distribution map inside the explosion-proof distribution cabinet is generated based on the detection temperature group.

[0066] The other functions performed by the above-mentioned acquisition module, processing module, temperature control module and diagnosis module and the technical details of each function are the same or similar to the corresponding features in the constant temperature control method of an explosion-proof distribution cabinet described above, so they will not be repeated here.

[0067] The embodiment of the present application also provides a computer storage medium, on which a computer program is stored. When the computer program is run on a computer, the computer can execute the steps in the constant temperature control method of an explosion-proof distribution cabinet described above.

[0068] It should be understood that, although the steps in the flowchart of the accompanying drawings are shown in sequence according to the instructions of the arrows, these steps are not necessarily performed in the order indicated by the arrows. Unless explicitly stated in this document, the execution of these steps is not strictly limited in order and can be performed in other orders.

[0069] The above description is only a partial implementation method of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A constant temperature control method for an explosion-proof distribution cabinet, characterized in that: A plurality of temperature detectors are evenly arranged inside the explosion-proof power distribution cabinet, wherein the number of the temperature detectors is less than the number of working devices included in the explosion-proof power distribution cabinet, and the method comprises: Acquire a detected temperature group, wherein the detected temperature group includes a detected temperature value detected by each temperature detector at the same time; Generate a temperature distribution diagram inside the explosion-proof power distribution cabinet based on the detected temperature group; Determine whether the explosion-proof power distribution cabinet needs to be temperature-adjusted by the temperature distribution diagram, and if necessary, obtain a temperature adjustment signal corresponding to the temperature adjustment operation, and perform constant temperature control on the explosion-proof power distribution cabinet based on the temperature adjustment signal; If not needed, continue to wait for obtaining the detection temperature group.

2. The method according to claim 1, characterized in that The temperature detectors are respectively distributed at the four corners and the center of the explosion-proof distribution cabinet.

3. The method according to claim 2, characterized in that Generating a temperature distribution diagram inside the explosion-proof power distribution cabinet based on the detected temperature group includes: Obtaining the position value of each temperature detector, and respectively forming an initial parameter group with the position value and the detected temperature value corresponding to the same temperature detector, wherein each initial parameter group corresponds to a uniquely determined orientation attribute; Determine whether any two of all the initial parameter groups belong to adjacent positions based on the orientation attribute, substitute the two initial parameter groups belonging to adjacent positions into a preset interpolation learning model to obtain interpolation temperature values ​​at several positions on the position line corresponding to the two initial parameter groups, and form an interpolation parameter group with the interpolation temperature values ​​and the corresponding position values; All initial parameter groups and interpolation parameter groups are substituted into the distribution map drawing software to obtain the temperature distribution map.

4. The method according to claim 1, characterized in that: The determining whether the explosion-proof power distribution cabinet needs to be temperature-adjusted by the temperature distribution diagram includes: Obtain the color change interval in the temperature distribution diagram, and determine whether the color change interval falls into the preset change interval corresponding to the preset temperature. If so, the explosion-proof power distribution cabinet does not need to perform temperature adjustment operation; If it does not fall in, the explosion-proof distribution cabinet needs to be temperature-adjusted.

5. The method according to claim 4, characterized in that The temperature adjustment signal includes a first temperature adjustment signal, a second temperature adjustment signal and a third temperature adjustment signal, and obtaining the temperature adjustment signal corresponding to the temperature adjustment operation includes: Obtaining an average temperature value corresponding to the temperature distribution diagram, determining whether the average temperature value exceeds a preset lower limit temperature value corresponding to the preset change interval, and if not, generating a first temperature adjustment signal indicating that external heating is required, so as to open an external interaction channel to perform internal heating operation; If it exceeds, determining whether the average temperature value exceeds the preset upper limit temperature value corresponding to the preset change interval; if it does not exceed the preset upper limit temperature value, generating a second temperature adjustment signal indicating that only internal temperature adjustment work needs to be performed, so as to start the internal temperature adjustment device to perform only the internal temperature cycle operation; If the preset upper temperature limit is exceeded, a third temperature control signal is generated to indicate that internal and external temperature control operations need to be performed, so as to open an external interactive channel and start an internal temperature control device to perform a cooling operation.

6. The method according to claim 5, characterized in that The third temperature adjustment signal includes an internal temperature adjustment signal and an external temperature adjustment signal, and the generating of the third temperature adjustment signal indicating that the internal temperature adjustment work and the external temperature adjustment work need to be performed includes: When it is determined that the average temperature value does not exceed the preset upper limit temperature value corresponding to the preset change interval, an internal temperature adjustment signal is generated to perform an internal temperature adjustment operation; Obtaining the interaction temperature corresponding to the external interaction channel inside from the temperature distribution diagram, determining whether the interaction temperature is less than the average temperature value, and if not, generating an external temperature adjustment signal to perform external temperature adjustment work; If it is less than, continue to obtain the interaction temperature.

7. The method according to claim 1, characterized in that The step of obtaining the detected temperature group further includes: Obtaining a predicted temperature group corresponding to the detected temperature group, determining whether the predicted temperature group and the detected temperature group are within an allowable error range, and if so, generating a temperature distribution map inside the explosion-proof power distribution cabinet based on the detected temperature group; If not, the detected temperature group is updated to the predicted temperature group to obtain the detected temperature group again, and a temperature distribution diagram inside the explosion-proof power distribution cabinet is generated based on the detected temperature group.

8. A constant temperature control system for an explosion-proof power distribution cabinet, characterized in that: A plurality of temperature detectors are evenly arranged inside the explosion-proof distribution cabinet, wherein the number of the temperature detectors is less than the number of working devices included in the explosion-proof distribution cabinet, and the system comprises: an acquisition module, a processing module and a temperature control module; wherein, The acquisition module is used to acquire a detection temperature group, wherein the detection temperature group includes a detection temperature value detected by each temperature detector at the same time; The processing module is used to generate a temperature distribution diagram inside the explosion-proof power distribution cabinet based on the detected temperature group, and determine whether the explosion-proof power distribution cabinet needs to be temperature-adjusted by the temperature distribution diagram; The temperature control module is used to obtain a temperature control signal corresponding to the temperature control operation if the explosion-proof power distribution cabinet needs to be temperature-controlled, and to perform constant temperature control on the explosion-proof power distribution cabinet based on the temperature control signal; The acquisition module is also used to continue waiting for acquisition of the detection temperature group if the explosion-proof power distribution cabinet does not need to perform temperature adjustment operation.

9. The system according to claim 8, characterized in that The system also includes a diagnostic module; wherein, The diagnostic module is used to obtain the predicted temperature group corresponding to the detected temperature group, and determine whether the predicted temperature group and the detected temperature group are within an allowable error range; The processing module is also used to generate a temperature distribution map inside the explosion-proof distribution cabinet based on the detected temperature group if the predicted temperature group and the detected temperature group are within an allowable error range; if not within the allowable error range, update the detected temperature group to the predicted temperature group to obtain the detected temperature group again, and generate a temperature distribution map inside the explosion-proof distribution cabinet based on the detected temperature group.

10. A computer-readable storage medium having stored thereon a computer program that can be run on a processor, characterized in that: When the computer program is executed by the processor, the constant temperature control method for an explosion-proof power distribution cabinet as described in any one of claims 1 to 7 is implemented.

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