Dry burning detection method and device for heating assembly

Abstract

The invention relates to the technical field of heating assembly detection, and provides a dry burning detection method and device for a heating assembly. The method comprises the steps of obtaining current change data of a heating assembly in a target time period under the condition that preset control parameters are adopted to control starting of the heating assembly; according to the current change data, whether the heating assembly is in a dry burning state or not is judged; wherein the target time period is a time period after the current of the heating assembly reaches a peak value under the condition that the preset control parameters are adopted to control the heating assembly to start. The dry burning detection method of the heating assembly provided by the embodiment of the invention can improve the accuracy of dry burning detection of the heating assembly.

Description

Technical Field

[0001] This application relates to the field of heating component testing technology, specifically to a method and apparatus for dry burning testing of heating components. Background Technology

[0002] New energy vehicles are typically equipped with heating components such as PTC heaters. These components heat the vehicle's coolant to heat the battery, improving its operating efficiency. However, if these heating components are left in a dry-burning state for an extended period, they will be damaged and unable to heat the battery. Therefore, it is necessary to perform dry-burning tests on the heating components of new energy vehicles to determine if dry burning is occurring.

[0003] In related technologies, the method of dry-burning detection for heating components involves measuring the temperature of the heating component to determine whether it is dry-burning. However, for heating components installed in new energy vehicles, their resistance rises sharply when in a dry-burning state, causing them to limit their own temperature. This means that when judging whether the heating component is dry-burning by measuring its temperature, even if it is actually dry-burning, the detected temperature will stabilize within a certain threshold due to the self-limiting temperature of the heating component, leading to a false judgment that the heating component is not dry-burning, thus affecting the accuracy of dry-burning detection. Summary of the Invention

[0004] This application aims to at least solve one of the technical problems existing in the related art. To this end, this application proposes a method for detecting the dry burning of heating components, which can improve the accuracy of dry burning detection of heating components.

[0005] The dry-burn detection method for a heating assembly according to the first aspect of this application includes: When the heating component is started using preset control parameters, the current change data of the heating component during the target time period is obtained; Based on the current change data, it is determined whether the heating component is in a dry-burning state; The target time period is the period after the current of the heating component reaches its peak value when the heating component is started using the preset control parameters.

[0006] By acquiring current change data of the heating element during a target time period when the heating element is activated using preset control parameters, it is possible to determine whether the heating element is in a dry-burning state based on this current change data. The target time period is the period after the current of the heating element reaches its peak value when the heating element is activated using the preset control parameters. This utilizes the characteristic that the resistance change of the heating element differs between dry-burning and non-dry-burning states, resulting in different current changes, to improve the accuracy of dry-burning detection by detecting the current changes of the heating element.

[0007] According to one embodiment of this application, when the heating component is started using preset control parameters, acquiring current change data of the heating component during a target time period includes: In response to a control signal that controls the operation of the heating component using the preset control parameters, current detection of the heating component is triggered. In response to a prompt signal indicating that the detected current has reached a preset current, the current change data of the heating component during the target time period is acquired; The preset current is determined based on the initial current generated by the heating component when the heating component is started using the preset control parameters.

[0008] According to one embodiment of this application, in response to a control signal that controls the operation of the heating component using the preset control parameters, current detection of the heating component is triggered, including: In response to a control signal that controls the operation of the heating component using the preset control parameters, a delay is triggered to detect the current of the heating component.

[0009] According to one embodiment of this application, the target time period is a time period within a preset detection time period. The start time of the preset detection time period is determined based on the start time of the heating component. The duration of the preset detection time period is determined based on the time required from the start of the heating component controlled by the preset control parameters to the current of the heating component dropping to less than the target current. The target current is the current threshold value for determining that the heating component is in a dry-burning state.

[0010] According to one embodiment of this application, the current threshold value is the minimum current value measured by the heating component after the current reaches its peak value when the heating component is controlled in a non-dry-burning state using the preset control parameters.

[0011] According to one embodiment of this application, obtaining the current change data of the heating component during a target time period includes: During the preset detection period, the duty cycle of the heating component is fixed, and the current change data of the heating component during the target period is obtained.

[0012] According to one embodiment of this application, it also includes: If a change in the duty cycle of the heating component is detected during the preset detection period, the dry-burning test of the heating component is stopped.

[0013] According to one embodiment of this application, determining whether the heating component is in a dry-burning state based on the current change data includes: Compare the current change data with the target current; If there is a current data in the current change data that is less than the target current, it is determined that the heating component is in a dry-burning state.

[0014] A dry-burn detection device for a heating assembly according to a second aspect embodiment of this application includes: The current acquisition module is used to acquire the current change data of the heating component during a target time period when the heating component is started by controlling it with preset control parameters. The dry-burning detection module is used to determine whether the heating component is in a dry-burning state based on the current change data. The target time period is the period after the current of the heating component reaches its peak value when the heating component is started using the preset control parameters.

[0015] An electronic device according to a third aspect of this application includes a processor and a memory storing a computer program, wherein the processor executes the computer program to implement the dry-burn detection method for the heating component described in any of the above embodiments.

[0016] A computer-readable storage medium according to a fourth aspect of this application stores a computer program thereon, which, when executed by a processor, implements the dry-burn detection method for the heating assembly described in any of the above embodiments.

[0017] The vehicle according to a fifth aspect embodiment of this application includes electronic equipment as described in the third aspect embodiment. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments of this application will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic flowchart illustrating the dry-burning detection method for a heating assembly provided in this application embodiment; Figure 2 A schematic diagram of the current of the heating component provided in the embodiment of this application under non-dry-burning conditions; Figure 3 A schematic diagram of the current of the heating component provided in the embodiment of this application under dry-burning conditions; Figure 4 This is a schematic diagram of the dry-burn detection device for the heating assembly provided in the embodiments of this application; Figure 5 This is a schematic diagram of the structure of the electronic device provided in the embodiments of this application. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] The dry-burning detection method and apparatus for heating components provided in this application will be described in detail below through several specific embodiments.

[0022] New energy vehicles, such as pure electric vehicles or hybrid vehicles, are typically equipped with heating components such as PTC (Potentially Transmitted Temperature Coefficient) heaters. These components heat the vehicle's coolant to heat the battery, improving its operating efficiency. However, if these heating components are left in a dry-burning state for an extended period, they will be damaged and unable to heat the battery. Therefore, it is necessary to perform dry-burning tests on the heating components of new energy vehicles to determine if dry burning is occurring.

[0023] In related technologies, dry-burn detection of heating components involves measuring their temperature to determine if dry burning is occurring. However, for heating components installed in new energy vehicles, their resistance increases sharply during dry burning, limiting current and reducing heating power to control their own temperature. This can lead to a misjudgment of the heating component not being dry-burning, even when it is actually dry-burning, because the self-limiting temperature keeps the detected temperature stable within a certain threshold, thus affecting the accuracy of dry-burn detection.

[0024] Therefore, in one embodiment, a method for detecting the dry burning of a heating component is provided. This method can be applied to a terminal device for detecting the dry burning of the heating component. The terminal device may include a mobile terminal, a desktop terminal, or an in-vehicle terminal. The in-vehicle terminal may include a vehicle's VCU (Vehicle Control Unit), MCU (Microcontroller Unit), or HVAC controller, etc.

[0025] like Figure 1 As shown, the dry-burning detection method for a heating component provided in this embodiment includes: S101, when the heating component is started using preset control parameters, acquire the current change data of the heating component during the target time period; S102, Based on the current change data, determine whether the heating element is in a dry-burning state; The target time period is the period after the current of the heating component reaches its peak value when the heating component is started using preset control parameters.

[0026] In some embodiments, the heating component may refer to a component mounted on a new energy vehicle to heat the battery coolant, such as a PTC heating component. The preset control parameters include a preset voltage and a preset duty cycle.

[0027] When a dry-burn test of the heating element is required, the heating element can be started by preset control parameters, namely preset voltage and preset duty cycle. The preset voltage can be the bus voltage, and the preset duty cycle can be set according to actual conditions. The preset duty cycle refers to the ratio of the heating element's activation time to the preset control cycle within one control cycle. For example, if the preset duty cycle can be set to 70% and the control cycle can be set to 10ms, then the heating element will be activated for 7ms every 10ms.

[0028] After the heating element is started (i.e., powered on), a current sensor connected to the heating element continuously collects its current, obtaining current change data over time, such as a current curve. Because the resistance of the heating element gradually increases over time during heating, causing the current to decrease, the current change data can be analyzed to determine whether the heating element is in a dry-burning state. This analysis is conducted after the current reaches its peak value.

[0029] As one possible implementation, the current change data during the target time period is detected to determine whether the heating component is in a dry-burning state. This can be achieved by comparing the current change data with preset current change data. The preset current change data refers to the current change data of the heating component during the target time period when the heating component is activated under preset control parameters, such as preset voltage and preset duty cycle, to prevent dry-burning.

[0030] For example, experiments can be conducted beforehand on a heating element in a non-dry-burning state to obtain the current change data of the heating element during a target time period when the heating element in the non-dry-burning state is activated by a preset voltage and a preset duty cycle. This data can be used as preset current change data. For instance, by conducting experiments on a heating element in a non-dry-burning state beforehand, the current change data obtained when the heating element in the non-dry-burning state is activated by preset control parameters, such as a preset voltage and a preset duty cycle, can be obtained. Figure 2 As shown. Assuming the peak current of the heating component occurs at time Tn, the current change data for the period after Tn can be obtained as the preset current change data.

[0031] After obtaining the preset current change data, it can be compared with the current change data of the heating component during the target time period. If the preset current change data matches the current change data, such as... Figure 2 As shown, the preset current change data is that the current decreases to the minimum value and then tends to stabilize. If the current change data is also that the current decreases to the minimum value and then tends to stabilize, it means that the preset current change data matches this current change data. In this case, it can be determined that the heating component is not in a dry-burning state. Otherwise, it can be determined that the heating component is in a dry-burning state, and an alarm message will be generated.

[0032] As another possible implementation, the current change data during the target time period is detected to determine whether the heating component is in a dry-burning state. This can be achieved by comparing the current change data with preset current change data. The preset current change data refers to the current change data of the heating component during the target time period when the heating component is activated under preset control parameters, such as preset voltage and preset duty cycle, to control the dry-burning state.

[0033] For example, experiments can be conducted beforehand on a heating element in a dry-burning state to obtain the current change data of the heating element during a target time period when the heating element in a non-dry-burning state is activated by preset control parameters, such as preset voltage and preset duty cycle. This data can be used as preset current change data. For instance, by conducting experiments on a heating element in a dry-burning state beforehand, the current change data obtained when the heating element in a dry-burning state is activated by preset control parameters, such as preset voltage and preset duty cycle, can be as follows: Figure 3 As shown. Assuming the peak current of the heating component occurs at time Tn, the current change data for the period after Tn can be obtained as the preset current change data.

[0034] After obtaining the preset current change data, it can be compared with the current change data of the heating component during the target time period. If the preset current change data matches the current change data, such as... Figure 3 As shown, if the preset current change data is monotonically decreasing and the current change data is also monotonically decreasing, it means that the preset current change data matches the current change data. In this case, it can be determined that the heating component is in a dry-burning state, and an alarm message is generated; otherwise, it can be determined that the heating component is not in a dry-burning state.

[0035] As another possible implementation, the current change data of the heating element during the target time period can be matched with a first preset current change data and a second preset current change data for similarity. The first preset current change data refers to the current change data of the heating element during the target time period when the heating element is activated under preset control parameters in a non-dry-burning state. The second preset current change data refers to the current change data of the heating element during the target time period when the heating element is activated under preset control parameters in a dry-burning state. If the similarity between the current change data and the first preset current change data is greater than the similarity between the current change data and the second preset current change data, it can be determined that the heating element is not in a dry-burning state; otherwise, it can be determined that the heating element is in a dry-burning state.

[0036] As another possible implementation, consider that when the heating element is in a dry-burning state, its resistance will continuously increase. Therefore, if the voltage applied to the heating element is constant, its current will continuously decrease. Figure 3 As shown. Therefore, for the current change data of the heating component during the target period, it can be detected whether the current change data is in a monotonically decreasing state. If so, it can be determined that the heating component is in a dry-burning state and an alarm message can be generated; otherwise, it can be determined that the heating component is not in a dry-burning state.

[0037] By acquiring current change data of the heating element during a target time period when the heating element is activated using preset control parameters, it is possible to determine whether the heating element is in a dry-burning state based on this current change data. The target time period is the period after the current of the heating element reaches its peak value when the heating element is activated using the preset control parameters. This utilizes the characteristic that the resistance change of the heating element differs between dry-burning and non-dry-burning states, resulting in different current changes, to improve the accuracy of dry-burning detection by detecting the current changes of the heating element.

[0038] To obtain more accurate current variation data of the heating component during the target time period, in some embodiments, obtaining the current variation data of the heating component during the target time period includes: In response to a control signal that controls the operation of the heating component using a preset voltage, current detection of the heating component is triggered; In response to a prompt signal indicating that the detected current has reached a preset current, the current of the heating component is continuously monitored to obtain current change data of the heating component during the target time period. The preset current is determined based on the initial current generated by the heating component when the heating component is started using preset control parameters.

[0039] In some embodiments, when a control signal is received that controls the operation of the heating component using preset control parameters, it indicates that the heating component has been started. In this case, the current detection of the heating component can be triggered in response to the control signal, so as to reduce invalid detection of the current of the heating component.

[0040] After triggering the current detection of the heating element, the detected current can be compared with a preset current. This preset current is the initial current generated by the heating element when it is started using preset control parameters. For example, if the current detected at the start of the heating element operation using a preset voltage of 500V and a preset duty cycle of 70% is 8A, then this current of 8A can be determined as the preset current.

[0041] For example, after triggering the current detection of the heating component, a timer can be started, and the current of the heating component collected for each control cycle is accumulated until the timer reaches a preset timing period, such as 1 second. Then, the average current per second is obtained by dividing by the number of control cycles. After obtaining the average current, the accumulated current is cleared to zero, and the accumulation is restarted, and the average current is recalculated.

[0042] After obtaining any average current, this average current is compared with a preset current. If the detected average current reaches the preset current, it indicates that the heating element has been activated. At this point, a prompt signal is generated indicating that the detected current has reached the preset current. In response to this prompt signal, the current of the heating element is continuously monitored, such as continuously monitoring the average current of the heating element per second, to obtain the current change data of the heating element over time. From this current change data, the current change data of the heating element in the target time period can be obtained. Thus, current detection of the heating element can be performed only after it is determined that the heating element is activated, i.e., current exists, to obtain the current change data of the heating element in the target time period, avoiding invalid current detection of the heating element. Furthermore, since the time from the activation of the heating element to reaching the current peak is short, current detection is performed from the activation of the heating element, reducing the possibility of not being able to obtain the current change data of the heating element in the target time period due to the inability to detect the current peak.

[0043] In some embodiments, in response to a control signal controlling the operation of the heating component, current detection of the heating component is triggered, including: in response to a control signal controlling the operation of the heating component, current detection of the heating component is triggered after a delay.

[0044] In some embodiments, the delayed triggering of current detection of the heating component can be triggered in response to a control signal controlling the operation of the heating component, after a target duration. This target duration is less than the time it takes for the current of the heating component to reach its peak value when the heating component is started using preset control parameters, such as 1 second, to avoid situations where the current peak value cannot be detected.

[0045] Since the current of the heating component fluctuates when it is first started, the current detection of the heating component can be delayed to reduce the false judgment of peak current caused by current fluctuations and improve the reliability of the current change data of the heating component during the target period.

[0046] Considering that during dry-burning testing, the current change data of the heating element in a dry-burning state will become abnormal within a certain period of time—for example, experimental calibration shows that the current change data of the heating element in a dry-burning state will become abnormal within 40 seconds—if the testing time is too long, the resistance of the heating element may reach its maximum value, causing the subsequent current change data to stabilize. This would result in the current change data of the heating element in the dry-burning state becoming increasingly similar to that in the non-dry-burning state, easily leading to misjudgment. Therefore, in some embodiments, the target time period is a period within a preset testing time period. The start time of the preset testing time period is determined based on the start time of the heating element, and the duration of the preset testing time period is determined based on the time required from the start of the heating element controlled by preset control parameters to the current of the heating element decreasing to less than the target current. The target current is the current threshold value for determining that the heating element is in a dry-burning state.

[0047] The critical current value used to determine if the heating element is in a dry-burning state refers to the threshold value at which the steady-state holding current of the heating element continuously decreases due to abnormal overheating under rated operating voltage and normal heat dissipation conditions. At this point, the current value is significantly lower than the normal operating range, accompanied by a sharp rise in temperature. This threshold value is the critical current value for determining the dry-burning state. If the heating element is not in a dry-burning state, i.e., in a normal state, its current is greater than or equal to this critical current value; if the heating element is in a dry-burning state, its current will be less than this critical current value after continuous heating for a certain period of time. The specific critical current value can be calibrated based on a large number of experiments.

[0048] For example, the current threshold can be the minimum current value measured by the heating component after the current reaches its peak value when the heating component is controlled by preset control parameters in a non-dry-burning state.

[0049] If we assume that when the heating element is controlled by preset control parameters in a non-dry-burning state, the time point when the current of the heating element reaches its peak value is Tn, then the minimum current value of the heating element measured after Tn can be used as the current threshold value to improve the reliability of the obtained current threshold value.

[0050] In some embodiments, assuming the heating component starts at a time Tn using preset control parameters, and the current drops to the target current (i.e., the current threshold) at time t2, the preset detection period can be determined as t2 + T' - Tn. T' can be set according to actual conditions, such as 5 seconds. If experimental calibration shows that the current change data of a heating component in a dry-burning state will become abnormal within 40 seconds, then the preset detection period can be determined to be 45 seconds. After obtaining the preset detection period, the current change data of the heating component can be detected within this period to determine if the heating component is dry-burning. If the heating component's operating time exceeds the preset detection period, the current detection for determining dry-burning status is stopped to reduce the probability of false alarms.

[0051] For example, if the heating component is started at a time Tn using preset control parameters, and the preset detection period is t2+T'-Tn, and the current of the heating component reaches its peak value at time Tn within the preset detection period, then the target period can be determined as (Tn, t2+T']. Based on the current change data within this target period, it can be determined whether the heating component is in a dry-burning state. This ensures that dry-burning detection is only performed within the preset detection period, reducing the probability of false alarms.

[0052] To further improve the accuracy of dry-burn detection of the heating component, in some embodiments, current change data of the heating component during a target time period is acquired, including: Within a preset detection period, the duty cycle of the heating component is fixed, and the current change data of the heating component during the target period is obtained.

[0053] In some embodiments, during the process of detecting the current of the heating element and acquiring current change data within a preset detection period, the duty cycle of the heating element can be detected in real time. If the duty cycle of the heating element is fixed, that is, if the duty cycle of the heating element does not change within the preset detection period, the current change data of the heating element in the target period can be acquired. This current change data can then be used to determine whether the heating element is in a dry-burning state. This avoids fluctuations in the current of the heating element caused by changes in its duty cycle, which could lead to fluctuations in the acquired current change data and affect the determination of the dry-burning state of the heating element, thereby improving the accuracy of dry-burning detection of the heating element.

[0054] In some embodiments, if it is determined that the duty cycle of the heating component changes within a preset detection period, the dry-burning test of the heating component is stopped.

[0055] For example, if the preset duty cycle for controlling the heating component to start is 70%, and an adjustment to the preset duty cycle is detected during the preset detection period, such as an increase or decrease, it indicates that the current of the heating component will fluctuate. In order to avoid misjudgment, the dry burning detection of the heating component is stopped, and a prompt signal indicating that the duty cycle of the heating component has been adjusted is generated.

[0056] To more accurately determine whether the heating element is in a dry-burning state, in some embodiments, the determination is based on current change data, including: Compare the current change data with the target current; If there is a current data point in the current change data that is less than the target current, it is determined that the heating component is in a dry-burning state.

[0057] The target current is the minimum current value measured by the heating component after the current reaches its peak value when the heating component is controlled by preset control parameters in a non-dry-burning state.

[0058] Considering that if the heating element is in a non-dry-burning state, i.e., under normal conditions, its current will decrease to a minimum after reaching its peak value and then plateau or slightly rebound, such as Figure 2 As shown, a large number of experiments can be conducted on the heating component in a non-dry-burning state using preset control parameters in advance to obtain the minimum current value measured by the heating component after the current reaches its peak value, which can be used as the target current for calibration.

[0059] When performing a dry-burn test on the heating element, after obtaining the current change data of the heating element during the target time period, this current change data can be compared with the target current to determine whether there is a current data point lower than the target current. If so, it can be determined that the heating element is in a dry-burning state. If there is no current data point lower than the target current in the current change data, it can be determined that the heating element is not in a dry-burning state.

[0060] For example, after the heating component is started using preset control parameters, if the current of the heating component is detected to reach its peak value, a timer can be triggered to start counting. Simultaneously, the current of the heating component collected for each control cycle is accumulated until the timer reaches the preset counting cycle, such as 1 second. Then, the average current per second is obtained by dividing by the number of control cycles. After obtaining the average current, the accumulated current is cleared to zero, re-accumulated, and the average current is recalculated.

[0061] After obtaining any average current, compare it with the target current. If, within the target time period, an average current is detected to be less than the target current, it can be determined that the heating element is in a dry-burning state. If, within the target time period, all average currents are detected to be greater than or equal to the target current, it can be determined that the heating element is in a non-dry-burning state.

[0062] The dry-burning detection device for the heating assembly provided in this application will be described below. The dry-burning detection device for the heating assembly described below can be referred to in correspondence with the dry-burning detection method for the heating assembly described above.

[0063] In one embodiment, such as Figure 4 As shown, a dry-burn detection device for a heating assembly is provided, comprising: The current acquisition module 210 is used to acquire the current change data of the heating component during a target time period when the heating component is started by controlling it with preset control parameters. The dry-burning detection module 220 is used to determine whether the heating component is in a dry-burning state based on the current change data. The target time period is the period after the current of the heating component reaches its peak value when the heating component is started using the preset control parameters.

[0064] By acquiring current change data of the heating element during a target time period when the heating element is activated using preset control parameters, it is possible to determine whether the heating element is in a dry-burning state based on this current change data. The target time period is the period after the current of the heating element reaches its peak value when the heating element is activated using the preset control parameters. This utilizes the characteristic that the resistance change of the heating element differs between dry-burning and non-dry-burning states, resulting in different current changes, to improve the accuracy of dry-burning detection by detecting the current changes of the heating element.

[0065] In one embodiment, the current acquisition module 210 is specifically used for: In response to a control signal that controls the operation of the heating component using the preset control parameters, current detection of the heating component is triggered. In response to a prompt signal indicating that the detected current has reached a preset current, the current change data of the heating component during the target time period is acquired; The preset current is determined based on the initial current generated by the heating component when the heating component is started using the preset control parameters.

[0066] In one embodiment, the current acquisition module 210 is specifically used for: In response to a control signal that controls the operation of the heating component using the preset control parameters, a delay is triggered to detect the current of the heating component.

[0067] In one embodiment, the target time period is a time period within a preset detection time period. The start time of the preset detection time period is determined based on the start time of the heating component. The duration of the preset detection time period is determined based on the time required from the start of the heating component controlled by the preset control parameters to the current of the heating component dropping to less than the target current. The target current is the current threshold value for determining that the heating component is in a dry-burning state.

[0068] In one embodiment, the current threshold value is the minimum current value measured by the heating component after the current reaches its peak value when the heating component is controlled in a non-dry-burning state using the preset control parameters.

[0069] In one embodiment, the current acquisition module 210 is specifically used for: During the preset detection period, the duty cycle of the heating component is fixed, and the current change data of the heating component during the target period is obtained.

[0070] In one embodiment, the current acquisition module 210 is further configured to: If a change in the duty cycle of the heating component is detected during the preset detection period, the dry-burning test of the heating component is stopped.

[0071] In one embodiment, the dry-burn detection module 220 is specifically used for: Compare the current change data with the target current; If there is a current data in the current change data that is less than the target current, it is determined that the heating component is in a dry-burning state.

[0072] Figure 5 An example is a schematic diagram of the physical structure of an electronic device, such as... Figure 5 As shown, the electronic device may include: a processor 810, a communication interface 820, a memory 830, and a communication bus 840, wherein the processor 810, the communication interface 820, and the memory 830 communicate with each other via the communication bus 840. The processor 810 can call a computer program in the memory 830 to execute a dry-burn detection method for the heating component, such as including: When the heating component is started using preset control parameters, the current change data of the heating component during the target time period is obtained; Based on the current change data, it is determined whether the heating component is in a dry-burning state; The target time period is the period after the current of the heating component reaches its peak value when the heating component is started using the preset control parameters.

[0073] Furthermore, the logical instructions in the aforementioned memory 830 can be implemented as software functional units and, when sold or used as independent products, can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods of the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0074] On the other hand, embodiments of this application also provide a storage medium, which includes a computer program. The computer program can be stored on a non-transitory computer-readable storage medium. When the computer program is executed by a processor, the computer can execute the dry-burn detection method for the heating assembly provided in the above embodiments, for example including: When the heating component is started using preset control parameters, the current change data of the heating component during the target time period is obtained; Based on the current change data, it is determined whether the heating component is in a dry-burning state; The target time period is the period after the current of the heating component reaches its peak value when the heating component is started using the preset control parameters.

[0075] In some embodiments, a vehicle is also provided, including the electronic equipment described in the above embodiments.

[0076] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0077] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus necessary general-purpose hardware platforms, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solutions, in essence or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0078] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A method for detecting dry burning of a heating component, characterized in that, include: When the heating component is started using preset control parameters, the current change data of the heating component during the target time period is obtained; Based on the current change data, it is determined whether the heating component is in a dry-burning state; The target time period is the period after the current of the heating component reaches its peak value when the heating component is started using the preset control parameters.

2. The method for detecting dry burning of a heating assembly according to claim 1, characterized in that, When the heating component is started using preset control parameters, the current change data of the heating component during the target time period is acquired, including: In response to a control signal that controls the operation of the heating component using the preset control parameters, current detection of the heating component is triggered. In response to a prompt signal indicating that the detected current has reached a preset current, the current change data of the heating component during the target time period is acquired; The preset current is determined based on the initial current generated by the heating component when the heating component is started using the preset control parameters.

3. The method for detecting dry burning of a heating assembly according to claim 2, characterized in that, In response to a control signal that controls the operation of the heating component using the preset control parameters, current detection of the heating component is triggered, including: In response to a control signal that controls the operation of the heating component using the preset control parameters, a delay is triggered to detect the current of the heating component.

4. The method for detecting dry burning of a heating assembly according to any one of claims 1-3, characterized in that, The target time period is a time period within a preset detection period. The start time of the preset detection period is determined based on the start time of the heating component. The duration of the preset detection period is determined based on the time required from the start of the heating component controlled by the preset control parameters to the current of the heating component dropping to less than the target current. The target current is the critical current value for determining that the heating component is in a dry-burning state.

5. The method for detecting dry burning of a heating assembly according to claim 4, characterized in that, The dry burning refers to the minimum current value measured by the heating component after the current reaches its peak value when the heating component is controlled by the preset control parameters in a non-dry burning state.

6. The method for detecting dry burning of a heating assembly according to claim 4, characterized in that, Acquiring the current variation data of the heating component during the target time period includes: During the preset detection period, the duty cycle of the heating component is fixed, and the current change data of the heating component during the target period is obtained.

7. The method for detecting dry burning of a heating assembly according to claim 6, characterized in that, Also includes: If a change in the duty cycle of the heating component is detected during the preset detection period, the dry-burning test of the heating component is stopped.

8. The method for detecting dry burning of a heating assembly according to claim 4, characterized in that, Determining whether the heating component is in a dry-burning state based on the current change data includes: Compare the current change data with the target current; If there is a current data in the current change data that is less than the target current, it is determined that the heating component is in a dry-burning state.

9. A dry-burning detection device for a heating component, characterized in that, include: The current acquisition module is used to acquire the current change data of the heating component during a target time period when the heating component is started by controlling it with preset control parameters. The dry-burning detection module is used to determine whether the heating component is in a dry-burning state based on the current change data. The target time period is the period after the current of the heating component reaches its peak value when the heating component is started using the preset control parameters.

10. An electronic device comprising a processor and a memory storing a computer program, characterized in that, When the processor executes the computer program, it implements the dry-burn detection method for the heating component according to any one of claims 1 to 8.

11. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the method described in any one of claims 1 to 8.

12. A vehicle, characterized in that, Including the electronic device as described in claim 10.

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