Power converter and control method and controller thereof

Abstract

The invention provides a power converter, a control method thereof and a controller. The power converter includes: a case; the phase change radiator is mounted on the box body; the controller is located in the box body, the controller is used for giving an alarm in response to the situation that the installation angle of the power converter is larger than or equal to a preset threshold value, the installation angle of the power converter is an included angle between a first direction of the power converter and a specified direction, and the first direction is a central axis direction pointing to the bottom of the box body from the top of the box body. According to the power converter, when the installation angle of the power converter is larger than or equal to the preset threshold value, an operator is prompted to adjust the installation angle of the power converter to be within the preset threshold value in an alarm mode, so that a phase change radiator installed on a box body of the power converter is adjusted to an expected position; the mode is beneficial for ensuring that the heat dissipation efficiency of the phase-change radiator is always in a high-efficiency heat dissipation state, so that the performance and the service life of the power converter can be further improved and prolonged.

Description

Technical Field

[0001] This application relates to the field of heat dissipation technology, specifically to a power converter and its control method and controller. Background Technology

[0002] As the power demands of power converters increase, phase change heat sinks, with their superior heat dissipation performance, are widely used in power converters. The heat dissipation efficiency of phase change heat sinks is crucial to the performance and lifespan of power converters.

[0003] In related technologies, when using power converters equipped with phase change heat sinks, it is impossible to ensure that the heat dissipation efficiency of the phase change heat sinks is always in a highly efficient state, which will reduce the performance and lifespan of the power converter. Summary of the Invention

[0004] This application provides a power converter and its control method and controller. The following sections will describe these aspects.

[0005] In a first aspect, a power converter is provided, comprising: a housing; a phase change heat sink mounted on the housing; and a controller located inside the housing, the controller being configured to issue an alarm in response to the installation angle of the power converter being greater than or equal to a preset threshold, wherein the installation angle of the power converter is the angle between a first direction of the power converter and a specified direction, the first direction being the direction of the central axis pointing from the top of the housing to the bottom of the housing.

[0006] In some embodiments, the phase change radiator includes an evaporator plate and a condenser, the condenser extending in a second direction.

[0007] In some embodiments, the controller is configured to issue an alarm in response to the angle of the condenser exceeding a preset angle range, wherein the angle of the condenser is the angle between the second direction and the specified direction.

[0008] In some embodiments, the controller is further configured to control the output power of the power converter according to the installation angle of the power converter.

[0009] In some embodiments, the controller is configured to issue an alarm in response to the installation direction of the power converter being tilted forward or backward, and the installation angle of the power converter being greater than or equal to a first preset threshold.

[0010] In some embodiments, the controller is configured to issue an alarm in response to the installation direction of the power converter being tilted to the left or right, and the installation angle of the power converter being greater than or equal to a second preset threshold.

[0011] In some embodiments, the controller is further configured to: control the operating state of the power converter according to the installation angle of the power converter.

[0012] In some embodiments, the controller is further configured to: control the power converter to shut down in response to the installation angle of the power converter being greater than or equal to a third preset threshold; control the power converter to operate normally and issue an alarm in response to the installation angle of the power converter being less than the third preset threshold while being greater than or equal to a fourth preset threshold; and control the power converter to operate normally in response to the installation angle of the power converter being less than the fourth preset threshold; wherein the fourth preset threshold is less than the third preset threshold.

[0013] In some embodiments, the controller is further configured to: control the operating state of the power converter based on the installation angle of the power converter and the temperature of the power converter.

[0014] In some embodiments, the controller is further configured to: control the power converter to shut down in response to the installation angle of the power converter being greater than or equal to a third preset threshold and the temperature of the power converter being greater than or equal to a temperature threshold; control the power converter to operate normally and issue an alarm in response to the installation angle of the power converter being greater than or equal to the third preset threshold and the temperature of the power converter being less than the temperature threshold; control the power converter to operate at a reduced rate and issue an alarm in response to the installation angle of the power converter being less than the third preset threshold and simultaneously greater than or equal to a fourth preset threshold, and the temperature of the power converter being greater than or equal to the temperature threshold; and control the power converter to operate normally in response to the installation angle of the power converter being less than the fourth preset threshold and the temperature of the power converter being less than the temperature threshold; wherein the fourth preset threshold is less than the third preset threshold.

[0015] In some embodiments, the specified direction is the direction of gravity.

[0016] In some embodiments, the power converter further includes an angle sensor connected to the controller, the angle sensor being used to monitor the installation angle of the power converter so that the controller can obtain the installation angle of the power converter.

[0017] Secondly, a control method for a power converter is provided. The power converter includes a housing and a phase change heat sink, the phase change heat sink being mounted on the housing. The control method includes: issuing an alarm in response to the installation angle of the power converter being greater than or equal to a preset threshold; wherein the installation angle of the power converter is the angle between a first direction of the power converter and a specified direction, the first direction being the direction of the central axis pointing from the top of the housing to the bottom of the housing.

[0018] In some embodiments, the phase change radiator includes an evaporator plate and a condenser, the condenser extending in a second direction, and the control method further includes: issuing an alarm in response to the angle of the condenser exceeding a preset angle range, wherein the angle of the condenser is the angle between the second direction and the specified direction.

[0019] In some embodiments, the control method further includes controlling the output power of the power converter according to the installation angle of the power converter.

[0020] In some embodiments, the alarm response in response to the installation angle of the power converter being greater than or equal to a preset threshold includes: issuing an alarm response when the installation direction of the power converter is forward tilted or backward tilted, and the installation angle of the power converter is greater than or equal to a first preset threshold.

[0021] In some embodiments, the alarm response to the installation angle of the power converter being greater than or equal to a preset threshold includes: issuing an alarm response to the installation direction of the power converter being tilted to the left or right, and the installation angle of the power converter being greater than or equal to a second preset threshold.

[0022] In some embodiments, the control method further includes controlling the operating state of the power converter according to the installation angle of the power converter.

[0023] In some embodiments, controlling the operating state of the power converter based on its installation angle includes: controlling the power converter to shut down in response to the installation angle of the power converter being greater than or equal to a third preset threshold; controlling the power converter to operate normally and issuing an alarm in response to the installation angle of the power converter being less than the third preset threshold while being greater than or equal to a fourth preset threshold; and controlling the power converter to operate normally in response to the installation angle of the power converter being less than the fourth preset threshold; wherein the fourth preset threshold is less than the third preset threshold.

[0024] In some embodiments, the control method further includes controlling the operating state of the power converter based on the installation angle of the power converter and the temperature of the power converter.

[0025] In some embodiments, controlling the operating state of the power converter based on its installation angle and temperature includes: controlling the power converter to shut down when the installation angle is greater than or equal to a third preset threshold and the temperature is greater than or equal to a temperature threshold; controlling the power converter to operate normally and issuing an alarm when the installation angle is greater than or equal to the third preset threshold and the temperature is less than the temperature threshold; controlling the power converter to operate at reduced derating and issuing an alarm when the installation angle is less than the third preset threshold and the temperature is less than the temperature threshold; and controlling the power converter to operate normally when the installation angle is less than the fourth preset threshold and the temperature is less than the temperature threshold, wherein the fourth preset threshold is less than the third preset threshold.

[0026] In some embodiments, the specified direction is the direction of gravity.

[0027] In some embodiments, the control method further includes: obtaining the installation angle of the power converter from an angle sensor.

[0028] Thirdly, this application provides a controller for performing the control method of the power converter described in the second aspect above.

[0029] The power converter provided in this application embodiment can alert the operator to adjust the installation angle of the power converter to within the preset threshold when the installation angle of the power converter is greater than or equal to a preset threshold. This allows the phase change heat sink installed on the power converter housing to be adjusted to the expected position. This method helps to ensure that the heat dissipation efficiency of the phase change heat sink is always in a high-efficiency heat dissipation state, thereby further improving the performance and lifespan of the power converter. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of a power converter provided in an embodiment of this application.

[0031] Figure 2 This is a schematic diagram of another power converter provided in an embodiment of this application.

[0032] Figure 3 This is a schematic diagram of the power converter offset in a power converter provided in an embodiment of this application.

[0033] Figure 4 This is a schematic diagram of the power converter offset in another power converter provided in this application embodiment.

[0034] Figure 5 This is a schematic diagram of the power converter offset in another power converter provided in the embodiments of this application.

[0035] Figure 6 This is a schematic diagram of the power converter offset in another power converter provided in the embodiments of this application.

[0036] Figure 7 This is a schematic diagram of another power converter provided in the embodiments of this application.

[0037] Figure 8 This is a schematic flowchart of a control method for a power converter provided in an embodiment of this application.

[0038] Figure 9 This is a schematic flowchart of another power converter control method provided in the embodiments of this application. Detailed Implementation

[0039] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and 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.

[0040] It should be understood that the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0041] In the various embodiments of this application, the sequence numbers of the above processes do not imply a specific order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application. For example, the first target object and the second target object are used to distinguish different target objects, rather than to describe a specific order of target objects.

[0042] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0043] It should be understood that the specific embodiments described herein are merely illustrative of this application and are not intended to limit this application.

[0044] As the power demands of power converters increase, phase change heat sinks are widely used in power converters due to their excellent heat dissipation performance. A phase change heat sink can be understood as a heat dissipation device that utilizes the phase change (including evaporation and condensation) of the refrigerant between liquid and gaseous states to transfer heat. For example, a phase change heat sink can be a thermosiphon heat sink. The heat dissipation efficiency of phase change heat sinks is crucial to the performance and lifespan of power converters.

[0045] The specific reasons why the installation angle of the power converter affects the heat dissipation efficiency of the phase change heat sink are as follows: First, in practice, the position of the phase change heat sink is crucial to its heat dissipation efficiency. This is because the heat dissipation cycle of the phase change heat sink is as follows: the refrigerant absorbs heat and vaporizes → the vaporized refrigerant liquefies in the condenser → the liquefied refrigerant flows back to the heat dissipation circuit in the evaporator plate by its own weight. Therefore, in this cycle, the liquefied refrigerant in the condenser will flow back by its own weight to achieve heat dissipation. Thus, in practice, the position of the phase change heat sink is crucial to its heat dissipation efficiency. Specifically, if the position of the phase change heat sink requires the liquefied refrigerant to flow back in the opposite direction of gravity, it will be difficult to flow back, which will be detrimental to refrigerant circulation and result in poor heat dissipation efficiency; if the position of the phase change heat sink requires the liquefied refrigerant to flow back in a direction close to the direction of gravity, it will be easy to flow back, which will be very beneficial to refrigerant circulation and result in better heat dissipation efficiency. Second, the actual position of the phase change heat sink depends on the installation direction of the power converter. This is because phase change heat sinks are usually fixed on power converters, so the installation direction of the power converter determines the actual location of the phase change heat sink.

[0046] Because related technologies have not considered the above factors, operators may install power converters equipped with phase change heat sinks arbitrarily. This results in some installation angles favoring refrigerant recirculation while others hinder it, thus failing to ensure that the phase change heat sink maintains consistently high cooling efficiency. This reduces the performance and lifespan of the power converter, and in severe cases, may even damage it due to poor heat dissipation efficiency.

[0047] In view of this, this application proposes a power converter that can alert the operator to adjust the installation angle of the power converter to within the preset threshold when the installation angle of the power converter is greater than or equal to a preset threshold. This allows the phase change heat sink installed on the power converter housing to be adjusted to the expected position. This method helps to ensure that the heat dissipation efficiency of the phase change heat sink is always in a high-efficiency heat dissipation state, thereby further improving the performance and lifespan of the power converter.

[0048] To facilitate understanding of the embodiments of this application, the following is combined with... Figure 1 The power converter provided in the embodiments of this application will be described. It should be noted that the embodiments of this application do not specifically limit the type of power converter, as long as the power converter has power conversion function. For example, the power converter can be one or more of the following: inverter, power conversion system (PCS), and rectifier, etc.

[0049] like Figure 1 As shown, the power converter 100 may include a housing 110, a phase change heat sink 120, and a controller (not shown in the figure).

[0050] The enclosure 110 is a structural shell used to house the power electronic devices (e.g., inverter circuits, PCB boards, etc.) inside the power converter 100, primarily serving functions such as mechanical protection, electromagnetic shielding, and dust and water resistance. The enclosure 110 has a length direction ( Figure 1 (x-direction) and height direction ( Figure 1 (y-direction) and width direction ( Figure 1 (in the z direction).

[0051] In some embodiments, the housing 110 may be square in shape. Specifically, the housing 110 may include a back panel 111 and side panels surrounding the back panel. The side panels include a top panel 112, a bottom panel 113, a left side panel 114, and a right side panel 115. A front panel may also be installed opposite the back panel 111. Figure 1 (Not shown in the image), a display panel may be provided on the front panel. Of course, the enclosure 110 can also be other shapes, as long as the enclosure 110 can be used to house electronic components and provide a sealing function.

[0052] A phase change heat sink 120 is mounted on the housing 110. This application embodiment does not specifically limit the type of phase change heat sink 120, as long as the heat sink uses the phase change characteristics of the refrigerant for heat dissipation. For example, the phase change heat sink 120 can be a thermosiphon heat sink. A thermosiphon heat sink can be understood as a phase change heat sink that relies on gravity-driven recirculation. In some embodiments, a thermosiphon heat sink can also be called a gravity heat pipe heat sink. By setting the phase change heat sink 120 as a thermosiphon heat sink, efficient and passive heat transfer can be achieved, relying on gravity for natural refrigerant circulation without external power, resulting in low overall cost and improved heat dissipation efficiency and system reliability.

[0053] This application does not specifically limit the installation position of the phase change heat sink 120, as long as the installation position of the phase change heat sink 120 on the housing 110 is fixed. As one possible implementation, the phase change heat sink 120 can be installed near the heat-generating area inside the housing 110. For example, the phase change heat sink 120 can be installed on the outward-facing side of the back panel 111, and at least one printed circuit board (PCB) can be installed on the inward-facing side of the back panel 110. The PCB has corresponding control circuitry, which is used to implement corresponding functions. When the control circuitry performs its functions, the PCB will generate heat. In this case, the PCB and related components are the main heat-generating components inside the housing 110.

[0054] The controller is a mechanism within the power converter 100 that implements functional control, used to control the power converter 100. The controller is located within the housing 110. The controller can be a chip containing control circuitry, a programmable logic device, or the like. In some embodiments, the hardware portion of the controller can be implemented using a PCB board. The controller has an information acquisition function, which can be used to acquire information transmitted by electronic devices within the power converter, and / or to acquire information transmitted by devices external to the power converter.

[0055] In this embodiment, the controller is configured to issue an alarm in response to the installation angle α of the power converter 100 being greater than or equal to a preset threshold. The installation angle α of the power converter 100 is the angle between a first direction and a specified direction of the power converter 100.

[0056] The first direction of the power converter 100 is its height direction. The height direction of the power converter 100 is consistent with the height direction of the housing 110, that is, the direction from the top of the housing 110 to the central axis of the bottom of the housing 110. Figure 1 The y-direction in the equation. Based on this, the first direction in the following text will be labeled as the first direction y.

[0057] Specifying a direction can be understood as defining the direction used for a gravity reference. For example, the specified direction can be... Figure 1 The direction of gravity shown is the direction of the line of action of gravitational acceleration, pointing towards the Earth's center. Alternatively, the specified direction can be the opposite direction of gravity, pointing in the opposite direction to the Earth's center. Another example is the horizontal direction, which is any direction within a plane perpendicular to the direction of gravity.

[0058] The angle α between the first direction y and the specified direction is the installation angle α of the power converter, which can also be called the tilt angle of the power converter. Based on this, in this embodiment, the controller issues an alarm in response to the installation angle of the power converter 100 being greater than or equal to a preset threshold, which is equivalent to issuing an alarm when the tilt angle of the power converter 100 is detected to be greater than or equal to the preset threshold. In some embodiments, the installation angle α of the power converter is used to characterize or indicate the installation angle (or tilt angle) of the phase change heat sink.

[0059] This application embodiment does not specifically limit the preset threshold. As long as the installation angle α of the power converter 100 is less than the preset threshold, the heat dissipation effect of the phase change heat sink 120 in the power converter 100 is an ideal heat dissipation effect. In other words, the preset threshold is related to the structure of the phase change heat sink 120 and / or the preset heat dissipation efficiency expected for the phase change heat sink 120.

[0060] Generally speaking, for such Figure 1 The power converter 100 shown, when incorporating a phase change heat sink 120, is typically designed with the following principles in mind: when the power converter 100 is tilted forward or backward, the installation angle α is allowed to be within -10 degrees to +10 degrees; and when the power converter 100 is tilted left or right, the installation angle is allowed to be within -5 degrees to +5 degrees, ensuring adequate heat dissipation efficiency of the phase change heat sink. It should be understood that the installation angle α values ​​here are merely examples, and the specific installation angle values ​​will vary depending on the application scenario and / or the power converter model. Specific preset thresholds are related to the desired heat dissipation efficiency, which in turn is related to the output power of the power converter. As an example, a preset threshold of 5 degrees can be set, resulting in higher heat dissipation efficiency and allowing for a larger output power of the corresponding power converter. As another example, a preset threshold of 10 degrees can be set, resulting in moderate heat dissipation efficiency and allowing for a moderate output power of the corresponding power converter. As another example, the preset threshold can be set to 20 degrees, at which point the heat dissipation efficiency is relatively low, and the output power of the corresponding power converter can be set to a smaller value.

[0061] This application does not specifically limit the alarm method. In one possible implementation, the controller can be connected to an external display device (e.g., the controller can be connected to a user device, such as a mobile phone or computer) to send alarm information to the external display device so that the external display device displays the alarm information; in another possible implementation, the power converter can be equipped with a display panel or warning light, and the controller can be connected to the display panel or warning light, for example, to issue an alarm through prompt information on the display panel or flashing of the warning light.

[0062] The tilt of the power converter 100 will change the position of the phase change heat sink 120 on it. Therefore, in this embodiment of the application, when the installation angle α of the power converter is greater than or equal to a preset threshold, an alarm is triggered, which is equivalent to prompting the operator to adjust the installation angle α of the power converter to within the preset threshold so as to adjust the phase change heat sink installed on the power converter housing to the expected position. This method helps to ensure that the heat dissipation efficiency of the phase change heat sink is always in a high-efficiency heat dissipation state, thereby further improving the performance and life of the power converter.

[0063] This application does not specifically limit the structure of the phase change heat sink 120, as long as the phase change heat sink 120 is a gravity-driven phase change heat sink 120. As one implementation method, such as... Figure 2 As shown, the phase change radiator 120 includes an evaporator plate 121 and a condenser 122, which are mounted on the back plate 111 of the housing. The condenser 122 extends in a second direction. As an example, the condenser 122 extends from the evaporator plate 121 (or the connection point with the evaporator plate 121) towards the second direction (i.e.,...). Figure 2 The second direction is referred to as the second direction m in the following text. The extension direction of the condenser 122 is consistent with the extension direction of the return channel in the condenser 122, that is, the return channel in the condenser 122 can extend in the first direction and / or the second direction m.

[0064] It should be noted that the specific direction of the second direction m is related to the structure of the phase change heat sink 120. Figure 2 The direction 'm' in the text is just one example of a second direction. In other embodiments, the second direction can also be the width direction of the box mentioned above (i.e., Figure 1 (in the z direction).

[0065] By configuring the phase change heat sink 120 as described above, it can be ensured that the phase change heat sink 120 is as close as possible to the heat-generating device in the power converter 100. At the same time, the condenser 122 extending in the second direction m can also ensure that the heat dissipation efficiency of the phase change heat sink 120 is better at the correct installation angle α of the power converter 100.

[0066] The second direction m determines the angle ε of the condenser 122. The angle ε of the condenser 122 can be understood as the angle ε between the second direction m and the specified direction. As an example, the specified direction is... Figure 2 The direction of gravity in the condenser, and the angle ε of condenser 122. Figure 2 The angle ε in the condenser 122 can be any value between 0 degrees and +180 degrees, or between -180 degrees and 0 degrees.

[0067] As mentioned above, in this embodiment, monitoring the installation angle α of the power converter 100 is to ensure that the installation position of the phase change heat sink 120 is appropriate for heat dissipation. The angle ε of the condenser 122 within the installation position of the phase change heat sink 120 is the key factor affecting the heat dissipation efficiency of the phase change heat sink 120. Based on this, in some embodiments, the controller is used to issue an alarm in response to the angle ε of the condenser 122 exceeding a preset angle range. In some embodiments, the preset angle range can be directly set according to heat dissipation requirements. For example, when the specified direction is the direction of gravity, if the power converter tilts forward or backward, the preset angle range can be +80 degrees to +110 degrees; if the power converter tilts left or backward, the preset angle range can be -5 degrees to +5 degrees. In other embodiments, since the preset angle range is related to the second direction m and the installation angle α of the power converter 100, the preset angle range can be determined based on the second direction m and the preset threshold mentioned above. It should be understood that the preset angle range values ​​here are for illustrative purposes only, and the specific installation angle values ​​will vary depending on the application scenario and / or the model of the power converter.

[0068] By triggering an alarm when the angle ε of the condenser 122 exceeds the preset angle range, the main influencing variables of the heat dissipation efficiency of the phase change radiator 120 can be directly monitored, improving the accuracy of monitoring and thus further enhancing the performance and lifespan of the power converter 100.

[0069] As mentioned earlier, the angle ε of the condenser 122 is the main variable affecting the heat dissipation efficiency of the phase change heat sink 120. The heat dissipation efficiency of the phase change heat sink 120 can affect the output power of the power converter 100. In other words, the output power of the power converter 100 needs to be matched with the heat dissipation efficiency of the phase change heat sink 120 in order to ensure the normal operation of the power converter 100.

[0070] In view of this, in some embodiments, the controller is also configured to control the output power of the power converter 100 according to the installation angle α of the power converter 100. Alternatively, the controller is also configured to control the output power of the power converter 100 according to the angle ε of the condenser 122. This is because a change in the installation angle α of the power converter 100 is equivalent to a change in the angle ε of the condenser 122.

[0071] This application embodiment does not specifically limit the method by which the controller controls the output power of the power converter 100 based on the installation angle α of the power converter 100. For example, when the specified direction is the direction of gravity, the controller can control the output power of the power converter 100 to be a first output power when the installation angle α of the power converter 100 is a first value, and control the output power of the power converter 100 to be a second output power when the installation angle α of the power converter 100 is a second value. In this case, the absolute value of the angle ε of the condenser 122 corresponding to the first value is greater than the absolute value of the angle ε of the condenser 122 corresponding to the second value, and the first output power is greater than the second output power. This is because when the absolute value of the angle ε of the condenser 122 is larger, the extension direction of the condenser 122 (i.e., the second direction in the figure) is closer to the opposite direction of gravity, which is conducive to liquid return. Correspondingly, the heat dissipation efficiency of the phase change radiator 120 is higher. When the absolute value of the angle ε of the condenser 122 is larger, the extension direction of the condenser 122 is closer to the direction of gravity, which is not conducive to liquid return. Correspondingly, the heat dissipation efficiency of the phase change radiator 120 is lower.

[0072] By controlling the output power of the power converter 100 based on the installation angle α of the power converter 100, it can be ensured that the output power of the power converter 100 matches the heat dissipation efficiency of the phase change heat sink 120 on the power converter 100. This ensures both the output power and the optimal heat dissipation efficiency of the power converter 100, thereby further improving the performance and lifespan of the power converter 100.

[0073] It should be understood that the mounting angle α of the power converter 100 matches the mounting direction of the power converter 100. The mounting direction of the power converter 100 can also be referred to as the tilt direction of the power converter 100. The mounting direction can be defined by the relative relationship between the first direction y and a specified direction. When the specified direction is the direction of gravity (e.g., Figure 1 When the direction is horizontal (as shown) or the direction is opposite to gravity, the relative relationship between the first direction y and the specified direction can be used to determine whether the power converter 100 tilts forward, backward, left, or right, and the mounting angle α of the power converter 100 can be used to determine the degree of tilt.

[0074] To make it easier to understand, the following will be combined with... Figures 3-6 This needs to be explained. The so-called forward tilt refers to the forward tilt of the power converter 100 along... Figure 3 Rotating in the θ direction, this is equivalent to the first direction y being relative to the direction of gravity along... Figure 3 Rotation in the θ direction; the so-called backtilt, that is, the power converter 100 rotates along the θ direction. Figure 4Rotating in the -θ direction, this is equivalent to the first direction y being relative to the direction of gravity along... Figure 4 Rotation in the -θ direction; the so-called left tilt, that is, the power converter 100 rotates along the -θ direction. Figure 5 Rotating in the β direction, at this time, it is equivalent to the first direction y being relative to the direction of gravity along... Figure 5 Rotation in the β direction; the so-called right tilt, that is, the power converter 100 rotates along the β direction. Figure 6 Rotating in the -β direction, at this time, it is equivalent to the first direction y being relative to the direction of gravity along... Figure 6 Rotate in the -β direction.

[0075] Given that the leftward and rightward tilt of the power converter 100 may have different effects on the heat dissipation efficiency of the phase change heat sink 120 than the forward and backward tilt of the power converter 100, this is related to the structure of the phase change heat sink 120 and its mounting position on the power converter 100. In some embodiments, the forward or backward tilt of the power converter 100 has a more significant effect on the heat dissipation efficiency of the phase change heat sink 120, while the leftward or rightward tilt has a weaker effect. In other embodiments, the forward or backward tilt of the power converter 100 has a weaker effect on the heat dissipation efficiency of the phase change heat sink 120, while the leftward or rightward tilt has a more significant effect. Based on this, the mounting angle α of the power converter 100 can be monitored specifically with respect to different tilt types of the power converter 100.

[0076] As an example, the controller's ability to issue an alarm in response to the installation angle α of the power converter 100 being greater than or equal to a preset threshold includes: the controller issuing an alarm in response to the installation direction of the power converter 100 being forward-tilted or backward-tilted, and the installation angle α of the power converter 100 being greater than or equal to a first preset threshold. For example, the first preset threshold may be the same as the preset threshold described above. Alternatively, the first preset threshold may be less than the preset threshold described above.

[0077] By implementing this embodiment, the installation angle α of the power converter 100 can be monitored only for the forward or backward tilt of the power converter 100, which is more likely to affect the heat dissipation efficiency of the phase change heat sink. This can help ensure that the heat dissipation efficiency of the phase change heat sink 120 is always in a high-efficiency heat dissipation state, while also reducing the number of monitoring angles, thereby reducing the operational complexity of the controller.

[0078] As another example, the controller's ability to issue an alarm in response to the installation angle α of the power converter 100 being greater than or equal to a preset threshold includes: the controller issuing an alarm in response to the installation direction of the power converter 100 being tilted to the left or right, and the installation angle α of the power converter 100 being greater than or equal to a second preset threshold. For example, the second preset threshold may be the same as the preset threshold described above. Alternatively, the second preset threshold may be less than the preset threshold described above.

[0079] By implementing this embodiment, the installation angle α of the power converter 100 can be monitored only for the left or right tilt of the power converter 100, which is more likely to affect the heat dissipation efficiency of the phase change heat sink. This can help ensure that the heat dissipation efficiency of the phase change heat sink 120 is always in a high-efficiency heat dissipation state, while also reducing the number of monitoring angles, thereby reducing the operational complexity of the controller.

[0080] As another example, the controller is configured to issue an alarm in response to the installation angle α of the power converter 100 being greater than or equal to a preset threshold, including: the controller is configured to issue an alarm in response to the installation direction of the power converter 100 being tilted forward or backward and the installation angle α of the power converter 100 being greater than or equal to a first preset threshold; and in response to the installation direction of the power converter 100 being tilted to the left or right and the installation angle α of the power converter 100 being greater than or equal to a second preset threshold.

[0081] The first preset threshold and the second preset threshold can be different. Since tilting forward and backward has a more significant impact on the heat dissipation efficiency of the phase change radiator 120 than tilting left and right, in some embodiments, the first preset threshold can be set to be less than the second preset threshold. For example, the first preset threshold can be 5 degrees, and the second preset threshold can be 10 degrees.

[0082] By setting different preset thresholds for angle monitoring for different tilt types, more refined monitoring of the installation angle α of the power converter 100 can be achieved. This helps ensure that the heat dissipation efficiency of the phase change heat sink 120 is always in a high-efficiency state, while improving the accuracy of monitoring, reducing false alarms, and enhancing the reliability of the system.

[0083] This application does not specifically limit the method for obtaining the installation angle α of the power converter 100 and / or the angle of the condenser 122 in the embodiments. In some embodiments, the controller may have a built-in angle detection function, therefore, the controller itself has the function of monitoring the installation angle α of the power converter 100 and / or the angle of the condenser 122.

[0084] In other embodiments, the controller may obtain the mounting angle α of the power converter 100 and / or the angle of the condenser 122 from the angle sensor 140, based on which, such as Figure 7 As shown, the power converter 100 may also include an angle sensor 140. The angle sensor 140 can be understood as a device that measures the rotation or tilt angle of an object and converts it into an electrical signal output. The angle sensor 140 can sense angle changes through principles such as optics, resistance, magnetism, or pressure (e.g., Hall effect, potentiometer change, or magnetic sensing element).

[0085] This application does not impose specific limitations on the placement of the angle sensor 140 within the power converter 100. For example, the angle sensor 140 may be disposed within the enclosure. As an example, the angle sensor 140 may be disposed on the inner surface of the back panel 111 of the enclosure. Alternatively, the angle sensor 140 may also be disposed outside the enclosure, for example, on a side panel of the enclosure.

[0086] By incorporating an angle sensor 140 into the power converter 100 to monitor the installation angle α of the power converter 100 and / or the angle of the condenser 122, the design complexity of the controller can be reduced, and the accuracy of angle monitoring can be improved. Based on this, not only can angle monitoring be achieved, but the overall cost of the power converter 100 can also be reduced.

[0087] To prevent the power converter's installation angle from exceeding the allowable range, which could prevent the phase change heat sink from effectively dissipating heat and cause the temperature inside the power converter to rise rapidly to its limit within a short period, ultimately leading to thermal failure of the entire unit, the controller in some embodiments can also be used to control the operating state of the power converter based on its installation angle. The operating state of the power converter includes any of the following: shutdown, derating operation, and normal operation. Controlling the operating state of the power converter based on its installation angle can be understood as controlling the power converter to operate in different states based on different installation angles. For example, when the installation angle of the power converter is a first angle, the power converter is shut down; when the installation angle is a second angle, the power converter is derating; when the installation angle is a third angle, the power converter is operating at low power; and when the installation angle is a fourth angle, the power converter is operating normally. Of course, the first, second, third, and fourth angles mentioned above are illustrative examples, and the installation angles of the power converter corresponding to different operating states can also be set using angles falling within the first, second, third, and fourth angle ranges.

[0088] This application embodiment controls the operating state of the power converter by controlling the installation angle of the power converter. This ensures that the power converter operates safely in an operating state that matches the installation angle of the power converter and enables timely shutdown. This avoids thermal failure problems in the power converter caused by the failure of the phase change heat sink, and further improves the stability and reliability of the power converter.

[0089] As an example, the controller for controlling the operating state of the power converter based on its installation angle may specifically include: the controller controlling the power converter to shut down in response to the installation angle being greater than or equal to a third preset threshold; controlling the power converter to operate normally and issuing an alarm in response to the installation angle being less than the third preset threshold but greater than or equal to a fourth preset threshold; and controlling the power converter to operate normally in response to the installation angle being less than the fourth preset threshold; wherein the fourth preset threshold is less than the third preset threshold. As an example, the fourth preset threshold is 10 degrees, and the third preset threshold is 30 degrees.

[0090] This application embodiment sets both alarm control and power converter operation status control to be related to the installation angle of the power converter. This enables more precise control over the installation angle of the power converter, which can not only avoid thermal failure problems in the power converter caused by phase change heat sink failure, but also provide timely alarms so that users can adjust the installation angle of the power converter in time, thereby speeding up the recovery of the power converter to normal operation.

[0091] In some embodiments, the controller controlling the operating state of the power converter based on the installation angle of the power converter may occur during the scenario of the power converter's first startup.

[0092] As mentioned earlier, if the installation angle of the power converter exceeds the allowable range, the phase change heat sink may fail, which will affect the temperature rise of the power converter. Besides this, other reasons can also cause the power converter's temperature to rise, such as prolonged full-load operation, a sudden increase in the ambient temperature, or aging of power components. A rise in the power converter's temperature can lead to thermal failure of the entire unit. Therefore, the temperature inside the power converter is crucial to its performance and reliability. Accordingly, the controller within the power converter can often control its operating status based on the temperature. For example, it can shut down the power converter when the temperature exceeds a threshold, and control it to operate normally when the temperature meets requirements.

[0093] To further improve the stability and reliability of the power converter, in some embodiments, the controller can control the operating state of the power converter by combining the power converter's temperature and installation angle. That is, the controller is also used to control the operating state of the power converter based on its installation angle and temperature. However, this application does not specifically limit the control of the power converter's operating state based on its installation angle and temperature. For example, different parameter combinations can be set for different operating states of the power converter. These parameter combinations specifically include combinations of the power converter's installation angle and temperature. Based on this, the operating state of the power converter corresponding to the current parameter combination of temperature and installation angle can be determined, and the power converter can be controlled to operate in that state.

[0094] This application embodiment controls the operating state of the power converter by adjusting its installation angle and temperature. This ensures that the power converter operates safely in a state that matches both the installation angle and temperature, and allows for timely shutdown. This double-insurance control of the power converter's operating state effectively avoids thermal failure caused by the failure of the phase change heat sink, further improving the stability and reliability of the power converter.

[0095] As an example, the controller controls the operating state of the power converter based on its installation angle and temperature, including: shutting down the power converter in response to the installation angle being greater than or equal to a third preset threshold and the temperature being greater than or equal to a temperature threshold; controlling the power converter to operate normally and issuing an alarm in response to the installation angle being greater than or equal to the third preset threshold and the temperature being less than the temperature threshold; controlling the power converter to operate at reduced derating and issuing an alarm in response to the installation angle being less than the third preset threshold while being greater than or equal to a fourth preset threshold, and the temperature being greater than or equal to the temperature threshold; and controlling the power converter to operate normally in response to the installation angle being less than the fourth preset threshold and the temperature being less than the temperature threshold. The fourth preset threshold is less than the third preset threshold. As an example, the fourth preset threshold is 10 degrees Celsius, and the third preset threshold is 30 degrees Celsius. The temperature threshold can be set according to the type of power converter or a safety factor. For example, the temperature threshold could be 90 degrees Celsius.

[0096] This embodiment of the application sets both alarm control and power converter operating status control to be related to the power converter's installation angle and temperature. This allows for more precise control of the power converter's operating status based on these two factors. It avoids thermal failure within the power converter due to phase change heatsink failure and provides timely alarms, allowing users to adjust the power converter's installation angle promptly and thus speeding up the recovery of normal operation. Furthermore, by setting both alarm control and power converter operating status control to be related to the power converter's installation angle and temperature, it avoids the situation where controlling the power converter's operating status solely based on temperature is insufficient. For example, a large tilt angle of the phase change heatsink can cause a rapid decrease in heatsink effectiveness, leading to a sharp rise in the temperature of the power devices on the heatsink side. This prevents the thermistors (Negative Temperature Coefficients) monitoring the power devices from quickly and accurately acquiring real-time temperatures, resulting in insufficient protection and ultimately overheating failure of the entire unit. This further improves the stability and reliability of the power converter.

[0097] In some embodiments, the controller controls the operating state of the power converter based on the installation angle and temperature of the power converter, which may occur in scenarios where the power converter is not running for the first time.

[0098] It should be noted that the temperature of the power converter described in this application embodiment can be any one or more of a plurality of temperatures that the power converter can obtain, or the highest temperature among a plurality of temperatures. These plurality of temperatures include: the ambient temperature inside the power converter housing, and the temperature of the power devices within the power converter. The power devices can be, for example, the inverter module within the power converter.

[0099] To facilitate understanding of the alarm control and power converter operating state control mentioned in the embodiments of this application, the following is in conjunction with... Figure 8 The control strategy of the controller in the embodiments of this application is described by way of example.

[0100] like Figure 8 As shown, the controller's control strategy includes steps S810-S880.

[0101] In step S810, angle detection is enabled.

[0102] In step S820, it is determined whether the power converter is starting up for the first time. If yes, proceed to step S831; otherwise, proceed to step S832.

[0103] In step S831, the installation angle of the power converter is monitored, and it is determined whether the installation angle is greater than or equal to a third preset threshold. For example, the third preset threshold is 30 degrees. If yes, step S841 is executed; otherwise, step S842 is executed.

[0104] In step S841, the power converter is shut down.

[0105] In step S842, the installation angle of the power converter is monitored and it is determined whether the installation angle is greater than or equal to a fourth preset threshold. If it is, step S851 is executed; otherwise, step S852 is executed.

[0106] The fourth preset threshold is less than the third preset threshold. For example, the fourth preset threshold is 10 degrees.

[0107] In step S851, the power converter is controlled to operate normally and a power converter angle abnormality fault is reported.

[0108] In step S852, the power converter is controlled to operate normally.

[0109] In step S832, the installation angle of the power converter is monitored and it is determined whether the installation angle is greater than or equal to a third preset threshold. If yes, step S861 is executed; otherwise, step S862 is executed.

[0110] In step S861, it is determined whether the temperature of the power converter is greater than or equal to the temperature threshold. If yes, step S841 is executed; otherwise, step S851 is executed.

[0111] For example, it can be used to determine whether the temperature of the boost module or the inverter module in the power converter is greater than or equal to 90 degrees Celsius.

[0112] In step S862, the installation angle of the power converter is monitored and it is determined whether the installation angle is greater than or equal to a fourth preset threshold. If yes, step S870 is executed; otherwise, step S852 is executed.

[0113] In step S870, it is determined whether the temperature of the power converter is greater than or equal to a temperature threshold. If yes, step S880 is executed; otherwise, step S852 is executed.

[0114] In step S880, the power converter is controlled to operate at a reduced rate and a power converter angle abnormality fault is reported.

[0115] The above text combined Figures 1 to 8 The power converter embodiments of this application are described in detail below, in conjunction with... Figure 9 The present application describes in detail the method embodiments. It should be understood that the description of the method embodiments corresponds to the description of the power converter embodiments; therefore, any parts not described in detail can be found in the preceding power converter embodiments.

[0116] Figure 9 This is a schematic flowchart of a control method for a power converter provided in an embodiment of this application. Figure 9 The method can be applied to the power converter mentioned in any of the preceding embodiments. The power converter includes a housing and a phase-change heat sink, with the phase-change heat sink mounted on the housing. See details... Figure 9 The control method for the power converter includes step S910.

[0117] In step S910, an alarm is triggered in response to the installation angle of the power converter being greater than or equal to a preset threshold.

[0118] The installation angle of the power converter is the angle between the first direction of the power converter and the specified direction. The first direction is the direction of the central axis from the top of the enclosure to the bottom of the enclosure.

[0119] In some embodiments, the phase change radiator includes an evaporator plate and a condenser, the condenser extending in a second direction, and the control method further includes: issuing an alarm in response to the angle of the condenser exceeding a preset angle range, wherein the angle of the condenser is the angle between the second direction and the specified direction.

[0120] In some embodiments, the control method further includes controlling the output power of the power converter according to the installation angle of the power converter.

[0121] In some embodiments, issuing an alarm in response to the installation angle of the power converter being greater than or equal to a preset threshold includes: issuing an alarm in response to the installation direction of the power converter being tilted forward or backward, and the installation angle of the power converter being greater than or equal to a first preset threshold.

[0122] In some embodiments, issuing an alarm in response to the installation angle of the power converter being greater than or equal to a preset threshold includes: issuing an alarm in response to the installation direction of the power converter being tilted to the left or right, and the installation angle of the power converter being greater than or equal to a second preset threshold.

[0123] In some embodiments, the control method further includes controlling the operating state of the power converter according to the installation angle of the power converter.

[0124] In some embodiments, controlling the operating state of the power converter based on its installation angle includes: controlling the power converter to shut down in response to the installation angle of the power converter being greater than or equal to a third preset threshold; controlling the power converter to operate normally and issuing an alarm in response to the installation angle of the power converter being less than the third preset threshold while being greater than or equal to a fourth preset threshold; and controlling the power converter to operate normally in response to the installation angle of the power converter being less than the fourth preset threshold; wherein the fourth preset threshold is less than the third preset threshold.

[0125] In some embodiments, the control method further includes controlling the operating state of the power converter based on the installation angle of the power converter and the temperature of the power converter.

[0126] In some embodiments, controlling the operating state of the power converter based on its installation angle and temperature includes: controlling the power converter to shut down when the installation angle is greater than or equal to a third preset threshold and the temperature is greater than or equal to a temperature threshold; controlling the power converter to operate normally and issuing an alarm when the installation angle is greater than or equal to the third preset threshold and the temperature is less than the temperature threshold; controlling the power converter to operate at reduced derating and issuing an alarm when the installation angle is less than the third preset threshold and the temperature is less than the temperature threshold; and controlling the power converter to operate normally when the installation angle is less than the fourth preset threshold and the temperature is less than the temperature threshold, wherein the fourth preset threshold is less than the third preset threshold.

[0127] In some embodiments, the specified direction is the direction of gravity.

[0128] In some embodiments, the control method further includes: obtaining the installation angle of the power converter from an angle sensor.

[0129] This application also provides a controller that can be used to execute the methods described in the above method embodiments. This application does not limit the specific implementation of the controller. For example, the controller can be implemented in hardware when executing the above methods. Alternatively, the controller can be implemented using a combination of software and hardware. Yet another example is that the controller can be implemented in software, such as by an MCU running a computer program to execute the above methods.

[0130] This application also provides a chip, including a processor, which can be used to call and run a computer program from memory, causing a power converter or power system on which the chip is installed to perform the methods described in the above method embodiments. It is understood that the processor can be any type of processor mentioned above. It is also understood that the memory can be independent of the chip or integrated into the chip.

[0131] This application also provides a machine-readable storage medium for storing a program. This program causes a computer to execute the methods described in the various embodiments of this application.

[0132] This application also provides a computer program product. The computer program product includes a program. The program causes a computer to perform the methods described in various embodiments of this application.

[0133] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any other combination. When implemented in software, it can be implemented, in whole or in part, as a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of this disclosure are generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a machine-readable storage medium or transmitted from one machine-readable storage medium to another. For example, the computer instructions can be transmitted from one website, computer, server, or data center to another via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The machine-readable storage medium can be any available medium accessible to a computer or a data storage device such as a server or data center that integrates one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., digital video discs (DVDs)), or semiconductor media (e.g., solid-state drives (SSDs)).

[0134] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments of this disclosure can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this disclosure.

[0135] In the several embodiments provided in this disclosure, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between apparatuses or units may be electrical, mechanical, or other forms.

[0136] The units described as separate components may or may not be physically separate. 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 units can be selected to achieve the purpose of this embodiment according to actual needs.

[0137] In addition, the functional units in the various embodiments of this disclosure can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0138] The above description is merely a specific embodiment of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A power converter, characterized in that, include: Box; A phase change radiator is installed on the housing; A controller, located inside the enclosure, is used to issue an alarm in response to the installation angle of the power converter being greater than or equal to a preset threshold. The installation angle of the power converter is the angle between a first direction and a specified direction of the power converter. The first direction is the direction of the central axis pointing from the top of the enclosure to the bottom of the enclosure.

2. The power converter according to claim 1, characterized in that, The phase change radiator includes an evaporator plate and a condenser, the condenser extending in a second direction.

3. The power converter according to claim 2, characterized in that, The controller is used to issue an alarm in response to the angle of the condenser exceeding a preset angle range, wherein the angle of the condenser is the angle between the second direction and the specified direction.

4. The power converter according to claim 1, characterized in that, The controller is also used to control the output power of the power converter according to the installation angle of the power converter.

5. The power converter according to claim 1, characterized in that, The controller is used to issue an alarm in response to the installation direction of the power converter being tilted forward or backward, and the installation angle of the power converter being greater than or equal to a first preset threshold.

6. The power converter according to claim 1, characterized in that, The controller is used to issue an alarm in response to the installation direction of the power converter being tilted to the left or right, and the installation angle of the power converter being greater than or equal to a second preset threshold.

7. The power converter according to claim 1, characterized in that, The controller is also used for: The operating state of the power converter is controlled according to the installation angle of the power converter.

8. The power converter according to claim 7, characterized in that, The controller is also used for: In response to the installation angle of the power converter being greater than or equal to a third preset threshold, the power converter is controlled to shut down. In response to the installation angle of the power converter being less than a third preset threshold while being greater than or equal to a fourth preset threshold, the power converter is controlled to operate normally and an alarm is triggered. In response to the installation angle of the power converter being less than the fourth preset threshold, the power converter is controlled to operate normally. The fourth preset threshold is less than the third preset threshold.

9. The power converter according to claim 1, characterized in that, The controller is also used for: The operating status of the power converter is controlled according to the installation angle and temperature of the power converter.

10. The power converter according to claim 9, characterized in that, The controller is also used for: In response to the installation angle of the power converter being greater than or equal to a third preset threshold and the temperature of the power converter being greater than or equal to a temperature threshold, the power converter is controlled to shut down. In response to the installation angle of the power converter being greater than or equal to a third preset threshold and the temperature of the power converter being less than the temperature threshold, the power converter is controlled to operate normally and an alarm is triggered. In response to the installation angle of the power converter being less than the third preset threshold while being greater than or equal to the fourth preset threshold, and the temperature of the power converter being greater than or equal to the temperature threshold, the power converter is controlled to operate at a reduced rate and an alarm is triggered. In response to the installation angle of the power converter being less than the fourth preset threshold and the temperature of the power converter being less than the temperature threshold, the power converter is controlled to operate normally. The fourth preset threshold is less than the third preset threshold.

11. The power converter according to any one of claims 1-10, characterized in that, The specified direction is the direction of gravity.

12. The power converter according to any one of claims 1-10, characterized in that, Also includes: An angle sensor, connected to the controller, is used to monitor the installation angle of the power converter so that the controller can obtain the installation angle of the power converter.

13. A control method for a power converter, characterized in that, The power converter includes a housing and a phase change heat sink, the phase change heat sink being mounted on the housing, and the control method including: An alarm is triggered in response to the installation angle of the power converter being greater than or equal to a preset threshold. The installation angle of the power converter is the angle between a first direction of the power converter and a specified direction, wherein the first direction is the direction of the central axis pointing from the top of the housing to the bottom of the housing.

14. The control method for the power converter according to claim 13, characterized in that, The phase change heat sink includes an evaporator and a condenser, the condenser extending in a second direction, and the control method further includes: An alarm is triggered in response to the condenser's angle exceeding a preset angle range, where the condenser's angle is the angle between the second direction and the specified direction.

15. The control method for the power converter according to claim 13, characterized in that, The control method further includes: The output power of the power converter is controlled according to the installation angle of the power converter.

16. The control method for the power converter according to claim 13, characterized in that, The alarm response in response to the installation angle of the power converter being greater than or equal to a preset threshold includes: An alarm is triggered in response to the power converter being installed in a forward or backward tilted direction, and the installation angle of the power converter being greater than or equal to a first preset threshold.

17. The control method for the power converter according to claim 13, characterized in that, The alarm response in response to the installation angle of the power converter being greater than or equal to a preset threshold includes: An alarm is triggered in response to the power converter being tilted to the left or right and the installation angle of the power converter being greater than or equal to a second preset threshold.

18. The control method for the power converter according to claim 13, characterized in that, Also includes: The operating state of the power converter is controlled according to the installation angle of the power converter.

19. The control method for a power converter according to claim 18, characterized in that, The step of controlling the operating state of the power converter according to the installation angle of the power converter includes: In response to the installation angle of the power converter being greater than or equal to a third preset threshold, the power converter is controlled to shut down. In response to the installation angle of the power converter being less than a third preset threshold while being greater than or equal to a fourth preset threshold, the power converter is controlled to operate normally and an alarm is triggered. In response to the installation angle of the power converter being less than the fourth preset threshold, the power converter is controlled to operate normally. The fourth preset threshold is less than the third preset threshold.

20. The control method for the power converter according to claim 13, characterized in that, Also includes: The operating status of the power converter is controlled according to the installation angle and temperature of the power converter.

21. The control method for a power converter according to claim 20, characterized in that, The method of controlling the operating state of the power converter based on the installation angle and temperature of the power converter includes: In response to the installation angle of the power converter being greater than or equal to a third preset threshold and the temperature of the power converter being greater than or equal to a temperature threshold, the power converter is controlled to shut down. In response to the installation angle of the power converter being greater than or equal to a third preset threshold and the temperature of the power converter being less than the temperature threshold, the power converter is controlled to operate normally and an alarm is triggered. In response to the installation angle of the power converter being less than the third preset threshold while being greater than or equal to the fourth preset threshold, and the temperature of the power converter being greater than or equal to the temperature threshold, the power converter is controlled to operate at a reduced rate and an alarm is triggered. In response to the installation angle of the power converter being less than the fourth preset threshold and the temperature of the power converter being less than the temperature threshold, the power converter is controlled to operate normally. The fourth preset threshold is less than the third preset threshold.

22. The control method for the power converter according to any one of claims 13-21, characterized in that, The specified direction is the direction of gravity.

23. The control method for the power converter according to any one of claims 13-21, characterized in that, Also includes: The installation angle of the power converter is obtained from the angle sensor.

24. A controller, characterized in that, A control method for performing the power converter as described in any one of claims 13-23.

Images