Control method and control device for an electrical device, and electrical device

Abstract

The application discloses a control method and device of an electrical equipment and the electrical equipment, and belongs to the technical field of electrical equipment. The electrical equipment comprises a cabinet defining a closed inner cavity, a plurality of radiators installed at openings of the cabinet, a plurality of power device groups installed on substrates of the plurality of radiators, a plurality of first fan groups for radiating fins of the plurality of radiators, and the plurality of first fan groups correspond to the plurality of power device groups and the plurality of radiators one by one. The method comprises the following steps: acquiring temperatures T i of the plurality of power device groups respectively, i = 1 ~ n; controlling the i-th first fan group corresponding to T i based on T i . According to the control method of the electrical equipment provided in the embodiment of the application, condensate water can be avoided from being generated on the substrates of the radiators, so that the circuit short circuit and the whole machine failure can be avoided.

Description

Technical Field

[0001] This application belongs to the field of electrical equipment technology, and in particular relates to a control method, control device and electrical equipment for electrical equipment. Background Technology

[0002] As the power of electrical equipment continues to increase, the internal heat flux density of these devices also rises during operation, necessitating effective and reasonable heat dissipation. Currently, power devices in electrical equipment are primarily cooled by airflow through heat sinks, which effectively reduces their temperature. However, during continuous heat dissipation, the temperature difference between the heat sink and the electrical equipment gradually increases. This can cause condensation to form on the cooler heat sink, potentially leading to short circuits or even complete equipment failure. Summary of the Invention

[0003] This application aims to at least solve one of the technical problems existing in the prior art. To this end, this application proposes a control method, control device, and electrical equipment for electrical devices, which can prevent condensation from forming on the substrate of the radiator, thereby avoiding short circuits and overall device failure.

[0004] In a first aspect, this application provides a control method for an electrical device, the electrical device comprising: a chassis defining a sealed interior cavity; multiple heat sinks mounted at an opening in the chassis; multiple power device groups mounted on a substrate of the multiple heat sinks; and multiple first fan groups for dissipating heat from the fins of the multiple heat sinks, wherein the multiple first fan groups correspond one-to-one with the multiple power device groups and the multiple heat sinks; the method includes:

[0005] Obtain the temperature T of each of the multiple power device groups. i , i = 1 to n;

[0006] Based on T i Control and T i The corresponding i-th first wind turbine unit.

[0007] According to the control method of electrical equipment provided in the embodiments of this application, condensation on the substrate of the radiator can be avoided, thereby preventing short circuits and failure of the whole machine.

[0008] According to one embodiment of this application, the method further includes: obtaining the ambient temperature T of the cavity. c The T-based i Control and T i The corresponding i-th first wind turbine unit includes:

[0009] In determining T P-1 ≤T i And ΔT <Tc -T i In the case of control and T i The speed of the corresponding i-th first wind turbine unit decreases; where...

[0010] T P-1 This is a target temperature value.

[0011] According to one embodiment of this application, in the control and T i After the speed of the i-th first wind turbine unit decreases, the method further includes:

[0012] After the target duration t, and ΔT is determined. <T c -T i In the event of this, the i-th first wind turbine unit is shut down.

[0013] According to one embodiment of this application, the T-based i Control and T i The corresponding i-th first wind turbine unit includes:

[0014] In determining T P-1 ≤T i And T c -T i When ≤ΔT, control is related to T i The corresponding i-th first wind turbine unit is operational; where...

[0015] T P-1 This is a target temperature value.

[0016] According to one embodiment of this application, the control and T i The operation of the corresponding i-th first wind turbine unit includes:

[0017] In determining T i =T P-1 In the case of control and T i The corresponding i-th first wind turbine unit starts at the first initial speed;

[0018] In determining T i =T P-2 In the case of control and T i The corresponding i-th first wind turbine unit starts at full speed, and in T P-1 ≤T i ≤T P-2 In the case of T, the speed of the first fan in the corresponding group is the same as T. i The magnitudes are positively correlated;

[0019] In determining T i ≥T P-3In the event of this, the electrical equipment is controlled to reduce its power; wherein

[0020] T P-2 and T P-3 Each represents a target temperature value, and T P-1 <T P-2 <T P-3 .

[0021] According to one embodiment of this application, the method further includes:

[0022] In determining T i <T P-1 In the case of control and T i The corresponding i-th first wind turbine unit is in a shutdown state.

[0023] According to one embodiment of this application, the electrical equipment further includes a second fan installed in the inner cavity, and the method further includes:

[0024] In determining T c ≥T c-1 In this case, control the second fan to operate; wherein,

[0025] T c-1 This is a target temperature value.

[0026] According to one embodiment of this application, controlling the operation of the second fan includes:

[0027] In determining T c =T c-1 In this case, control the second fan to start at the second initial speed;

[0028] In determining T c =T c-2 In this case, control the second fan to start at full speed, and at T c-1 ≤T c ≤T c-2 In this case, the speed of the second fan is related to T c The magnitudes are positively correlated;

[0029] In determining T c ≥T c-3 In the event of this, the electrical equipment is controlled to reduce its power; wherein

[0030] T c-2 and T c-3 Each represents a target temperature value, and T c-1 <T c-2 <T c-3 .

[0031] According to one embodiment of this application, in the T-based...i Control and T i Before the corresponding i-th first wind turbine unit, the method further includes:

[0032] If it is determined that the i-th power device group is shut down, the i-th first wind turbine group corresponding to the i-th power device group is controlled to shut down.

[0033] According to one embodiment of this application, a heat insulation layer is provided on the surface of the substrate of the heat sink at a position that does not correspond to the power device group.

[0034] Secondly, this application provides a control device for an electrical device, the electrical device comprising: a chassis defining a sealed interior cavity; a plurality of heat sinks mounted on an opening in the chassis; a plurality of power device groups mounted on a substrate of the plurality of heat sinks; and a plurality of first fan groups for dissipating heat from the fins of the plurality of heat sinks, wherein the plurality of first fan groups correspond one-to-one with the plurality of power device groups and the plurality of heat sinks; the device includes:

[0035] The first acquisition module is used to acquire the temperature T of each of the multiple power device groups. i , i = 1 to n;

[0036] The first control module is used for T-based... i Control and T i The corresponding i-th first wind turbine unit.

[0037] The control device for electrical equipment provided in the embodiments of this application can prevent condensation from forming on the substrate of the radiator, thereby avoiding short circuits and overall equipment failure.

[0038] Thirdly, this application provides an electrical device, comprising:

[0039] Control devices for any of the above-mentioned electrical equipment;

[0040] The first fan unit and the second fan are electrically connected to the control device of the electrical equipment.

[0041] According to the control device for electrical equipment provided in the embodiments of this application, by adopting any of the above-mentioned control devices for electrical equipment, condensation on the substrate of the radiator can be avoided, thereby preventing short circuits and overall equipment failure.

[0042] Fourthly, this application provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the control method of the electrical device as described in the first aspect above.

[0043] Fifthly, this application provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the control method for electrical equipment as described in the first aspect above.

[0044] In a sixth aspect, this application provides a chip including a processor and a communication interface, the communication interface being coupled to the processor, the processor being used to run programs or instructions to implement the control method of the electrical equipment as described in the first aspect.

[0045] In a seventh aspect, this application provides a computer program product, including a computer program that, when executed by a processor, implements the control method for electrical equipment as described in the first aspect above.

[0046] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0047] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0048] Figure 1 This is one of the flowcharts illustrating the control method for electrical equipment provided in the embodiments of this application;

[0049] Figure 2 This is a second schematic flowchart of the control method for electrical equipment provided in the embodiments of this application;

[0050] Figure 3 This is one of the structural schematic diagrams of the electrical equipment provided in the embodiments of this application;

[0051] Figure 4 This is a second schematic diagram of the structure of the electrical equipment provided in the embodiments of this application;

[0052] Figure 5 This is the third schematic diagram of the electrical equipment provided in the embodiments of this application;

[0053] Figure 6 This is the fourth schematic diagram of the electrical equipment provided in the embodiments of this application;

[0054] Figure 7 This is the fifth schematic diagram of the electrical equipment provided in the embodiments of this application;

[0055] Figure 8 This is the sixth schematic diagram of the electrical equipment provided in the embodiments of this application;

[0056] Figure 9This is the seventh schematic diagram of the electrical equipment provided in the embodiments of this application;

[0057] Figure 10 This is the eighth schematic diagram of the electrical equipment provided in the embodiments of this application;

[0058] Figure 11 This is a schematic diagram of the structure of the control device for the electrical equipment provided in the embodiments of this application;

[0059] Figure 12 This is a schematic diagram of the structure of the electronic device provided in the embodiments of this application.

[0060] Figure label:

[0061] Heat sink 100, base plate 110, fins 120;

[0062] First fan unit 200, first fan 210;

[0063] Second fan 300, first sub-fan 310, second sub-fan 320;

[0064] Power device group 400, power device 410;

[0065] Chassis 500, electronic components 600, magnetic components 700, other components 800, heat insulation layer 900. Detailed Implementation

[0066] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0067] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0068] The control method, control device, electrical equipment, electronic equipment, and readable storage medium of the present application will be described in detail below with reference to the accompanying drawings and through specific embodiments and application scenarios.

[0069] The control method for electrical equipment can be applied to the terminal, and can be executed by the hardware or software in the terminal.

[0070] The terminal includes, but is not limited to, portable communication devices such as mobile phones or tablets with touch-sensitive surfaces (e.g., touchscreen displays and / or touchpads). It should also be understood that, in some embodiments, the terminal may not be a portable communication device, but rather a desktop computer with touch-sensitive surfaces (e.g., touchscreen displays and / or touchpads).

[0071] The following embodiments describe a terminal including a display and a touch-sensitive surface. However, it should be understood that the terminal may include one or more other physical user interface devices such as a physical keyboard, mouse, and joystick.

[0072] The control method for electrical equipment provided in this application embodiment can be executed by an electronic device or a functional module or functional entity in an electronic device that can implement the control method for electrical equipment. The electronic devices mentioned in this application embodiment include, but are not limited to, mobile phones, tablets, computers, cameras, and wearable devices. The control method for electrical equipment provided in this application embodiment will be described below using an electronic device as the execution subject as an example.

[0073] This application provides a method for controlling electrical equipment, such as... Figures 3-8 As shown, the electrical equipment includes: a chassis 500 defining a sealed inner cavity, a plurality of heat sinks 100 mounted on the opening of the chassis 500, a plurality of power device groups 400 mounted on the substrate 110 of the plurality of heat sinks 100, and a plurality of first fan groups 200 for dissipating heat from the fins 120 of the plurality of heat sinks 100, wherein the plurality of first fan groups 200 correspond one-to-one with the plurality of power device groups 400 and the plurality of heat sinks 100.

[0074] like Figures 3-8 As shown, the electrical equipment may also include electronic devices 600, magnetic devices 700, and other devices 800.

[0075] Among them, such as Figures 3-8 As shown, the chassis 500 is generally designed as a rectangular structure, but it can also be designed as a pentagon or other shapes. The interior of the chassis 500 is hollow, and this hollow part forms the sealed inner cavity of the chassis 500.

[0076] like Figures 3-8As shown, the chassis 500 has multiple openings on one side in the width direction. The base plate 110 of the heat sink 100 is installed at the opening of the chassis 500, and the multiple openings are installed one-to-one with the base plates 110 of the heat sink 100. The shape and size of each opening are exactly the same as the shape and size of the base plate 110 it is installed with. That is, after the base plate 110 of the heat sink 100 is installed at the opening of the chassis 500, the heat sink 100 and the chassis 500 together define a sealed inner cavity.

[0077] like Figures 3-8 As shown, the size and shape of the substrate 110 of the multiple heat sinks 100 can be the same or different. The fins 120 of the heat sink 100 are provided on the side of the substrate 110 located outside the chassis 500 in the width direction of the chassis 500. Power device groups 400 are provided on the side opposite to the corresponding fins 120 of the multiple heat sinks 100. That is, the multiple power device groups 400 are installed in a one-to-one correspondence with the multiple heat sinks 100.

[0078] like Figures 3-8 As shown, a power device group 400 may include one or more power devices 410. For example, the opening of the chassis 500 is provided with two heat sinks 100. Six power devices 410 are evenly mounted on the base plate 110 of the first heat sink 100, and one power device 410 is mounted on the base plate 110 of the second heat sink 100.

[0079] like Figures 3-8 As shown, each radiator 100 is equipped with a first fan unit 200. The first fan unit 200 may include one or more first fans 210. For example, the first radiator 100, which is equipped with 6 power devices 410, has 5 first fans 210 installed on its fins 120, and the second radiator 100, which is equipped with 1 power device 410, has 1 first fan 210 installed on its fins 120.

[0080] like Figures 3-8 As shown, the first fan unit 200 can be installed at the front end, upper end, lower end or rear end of the fins 120 of the radiator 100, that is, the first fan unit 200 can dissipate heat from the radiator 100 by blowing or sucking air.

[0081] In actual operation, when the power device 410 in the power device group 400 is in working condition, its own temperature gradually increases. After the temperature rises, the power device 410 transfers heat to the substrate 110 of the corresponding heat sink 100. After passing through the substrate 110, the heat is transferred to the fins 120 of the heat sink 100. The heat on the fins 120 of the heat sink 100 is transferred to the external environment by the first fan 210 in the corresponding first fan group 200.

[0082] like Figure 1 As shown, the control method for the electrical equipment includes steps 1010 and 1020.

[0083] Step 1010: Obtain the temperature T of each of the multiple power device groups 400. i , i = 1 to n.

[0084] Among them, T i Let T be the temperature of the power device group 400 corresponding to the i-th heat sink 100 among multiple heat sinks 100. Each power device group 400 may include one or more power devices 410. When a power device group 400 includes multiple power devices 410, the temperature T of the power device group 400 corresponding to the i-th heat sink 100 is obtained. i The highest temperature, lowest temperature, average temperature of multiple power devices 410 in the group, or other temperatures can be selected. If a power device group 400 includes only one power device 410, then the obtained temperature T... i The temperature of the power device 410.

[0085] Step 1020, based on T i Control and T i The corresponding i-th first wind turbine unit 200.

[0086] In actual implementation, it can be based on T i Control and T i The corresponding start-up or speed increase of the i-th first wind turbine unit 200, for example, when T i When the temperature of the i-th power device group 400 is higher than the temperature of the power device group 400 corresponding to other heat sinks 100, it can be independently controlled with respect to T. i The corresponding i-th first wind turbine unit 200 starts or increases speed.

[0087] It can also be based on T i Control and T i The corresponding reduction or shutdown of the i-th first wind turbine unit 200, for example, when T i When the temperature of the i-th power device group 400 is lower than that of the other power device groups 400, it can be independently controlled with respect to T. i The corresponding i-th first fan unit 200 will reduce its speed or stop.

[0088] It should be noted that if the first wind turbine unit 200 includes multiple first wind turbines 210, then based on T i Control and T iThe corresponding i-th first fan group 200 can control multiple first fans 210 in the first fan group 200 to start, increase speed, stop or decrease speed together, or can control some first fans 210 in the first fan group 200 to start, increase speed, stop or decrease speed in other ways.

[0089] By independently controlling the i-th first fan group 200 corresponding to the i-th heat sink 100, when the temperature of the i-th power device group 400 corresponding to the i-th heat sink 100 is lower than that of other power device groups 400 (for example, different power device groups 400 have different operating power, resulting in different heat generation), independently controlling the i-th first fan group 200 corresponding to the i-th heat sink 100 to reduce speed or stop can avoid a large temperature difference between the i-th power device group 400 and other power device groups 400. This prevents the substrate 110 of the i-th heat sink 100 and the corresponding power device group 400 from coming into contact with hot air in the inner cavity of the chassis 500 and generating condensate when the temperature is too low, thus protecting the circuit safety.

[0090] According to the control method of electrical equipment provided in the embodiments of this application, condensation can be avoided on the substrate 110 of the radiator 100, thereby avoiding short circuits and failure of the whole machine.

[0091] In some embodiments, such as Figure 2 As shown, the control method for electrical equipment also includes: acquiring the ambient temperature T of the internal cavity. c .

[0092] Since the internal cavity of the chassis 500 contains electronic devices 600, magnetic devices 700, and other devices 800 in addition to the power device group 400, during the operation of the electronic devices 600, magnetic devices 700, and other devices 800, all of them generate heat and rise in temperature. Therefore, obtaining the ambient temperature T of the internal cavity is crucial. c This allows us to roughly understand the overall impact of the temperature rise of electronic components 600, magnetic components 700, power device group 400, and other components 800 on the chassis 500.

[0093] like Figure 2 As shown, step 1020, based on T i Control and T i The corresponding i-th first wind turbine unit 200 includes:

[0094] In determining T P-1 ≤T i And ΔT <T c -T i In the case of control and T i The speed of the corresponding i-th first wind turbine unit 200 decreases; among which,

[0095] T P-1 This is a target temperature value.

[0096] like Figure 2 As shown, T P-1 The starting temperature of the first fan unit 200 is ΔT, which is the standard value of the difference between the internal ambient temperature set by the operator and the temperature of the power device group 400. Since T... c Due to the combined influence of power device group 400, electronic device 600, magnetic device 700, and other devices 800, T is affected when the electrical equipment is in operation. c >T i That is, T c -T i >0, where ΔT <T c -T i The temperature difference between the internal cavity and the power device group 400 is too large.

[0097] In actual implementation, when T P-1 ≤T i At that time, T i When the i-th first fan unit 200 is in operation, and the temperature difference between the power device group 400 corresponding to the i-th radiator 100 and the ambient temperature of the inner cavity is too large, the speed of the i-th first fan unit 200 is reduced to decrease the heat dissipation intensity of the i-th first fan unit 200 on the i-th radiator 100, thereby preventing the temperature difference between the ambient temperature of the inner cavity and the power device group 400 corresponding to the i-th radiator 100 from continuing to increase and causing condensation.

[0098] If the i-th first fan group 200 includes multiple first fans 210, the first fan 210 that is relatively far from the corresponding power device group 400 can be controlled to maintain its original speed, the first fan 210 that is closer to the corresponding power device group 400 can be controlled to reduce its speed, or multiple first fans 210 can be controlled to reduce their speed together.

[0099] By determining T P-1 ≤T i And ΔT <T c -T i In the case of control and T i The speed of the i-th first fan group 200 is reduced, which can prevent the temperature difference between the ambient temperature of the inner cavity and the power device group 400 corresponding to the i-th heat sink 100 from continuing to increase. This prevents the substrate 110 of the i-th heat sink 100 and the corresponding power device group 400 from being too cold, which would cause condensation when they come into contact with hot air in the inner cavity. This further prevents short circuits and failure of the whole machine.

[0100] In some embodiments, such as Figure 2 As shown, in control and T i After the speed of the corresponding i-th first wind turbine unit 200 decreases, the method also includes:

[0101] After the target duration t, and ΔT is determined. <T c -T i In the case of [condition], control the i-th first wind turbine unit 200 to shut down.

[0102] In actual implementation, such as Figure 2 As shown, when determining T P-1 ≤T i And ΔT <T c -T i In the case of control and T i When the speed of the i-th first fan unit 200 decreases, and the i-th first fan unit 200 continues to work for a target time t, if the ambient temperature of the inner cavity and the temperature of the power device group 400 corresponding to the i-th heat sink 100 are still greater than ΔT, then the first fan unit 200 corresponding to the i-th heat sink 100 is controlled to shut down. That is, the i-th first fan unit 200 stops dissipating heat from the corresponding heat sink 100, so as to prevent the i-th heat sink 100 from always maintaining a low temperature under the action of the corresponding first fan unit 200 and being unable to approach the ambient temperature of the inner cavity.

[0103] By controlling the corresponding first wind turbine unit 200 to reduce speed and continue working for the target time t, and determining ΔT <T c -T i In the case of controlling the i-th first fan unit 200 to shut down, the heat dissipation of the i-th heat sink 100 can be stopped, so that the temperature of the substrate 110 of the i-th heat sink 100 and the corresponding power device group 400 gradually approaches the temperature of the inner cavity, thereby avoiding the generation of condensate.

[0104] In some embodiments, such as Figure 2 As shown, step 1020, based on T i Control and T i The corresponding i-th first wind turbine unit 200 includes:

[0105] In determining T P-1 ≤T i And T c -T i When ≤ΔT, control is related to T i The corresponding i-th first wind turbine unit 200 is working.

[0106] In actual implementation, such as Figure 2As shown, when the temperature of the power device group 400 corresponding to the i-th heat sink 100 exceeds the starting temperature of the first fan group 200, and the temperature of the i-th power device group 400 is relatively close to the ambient temperature of the inner cavity, the i-th first fan group 200 corresponding to the i-th heat sink 100 is controlled to work in order to reduce the temperature of the i-th power device group 400.

[0107] By controlling the operation of the corresponding first fan group 200 when the temperature difference between the power device group 400 and the ambient temperature of the inner cavity is small, heat dissipation can be avoided when the substrate 110 of the i-th heat sink 100 and the corresponding power device group 400 are too cold, which would cause the hot air in the inner cavity to come into contact with the substrate 110 of the i-th heat sink 100 and the corresponding power device group 400 at a lower temperature and generate condensation, thus protecting the circuit and the whole machine.

[0108] In some embodiments, such as Figure 2 As shown, control and T i The corresponding i-th first wind turbine unit 200 is in operation, including:

[0109] In determining T i =T P-1 In the case of control and T i The corresponding i-th first wind turbine unit 200 starts at the first initial speed;

[0110] In determining T i =T P-2 In the case of control and T i The corresponding i-th first wind turbine unit 200 starts at full speed, and at T P-1 ≤T i ≤T P-2 In this case, the speed of the first fan 210 in the corresponding group is related to T. i The magnitudes are positively correlated;

[0111] In determining T i ≥T P-3 In this case, control the electrical equipment to reduce power; among which

[0112] T P-2 and T P-3 Each represents a target temperature value, and T P-1 <T P-2 <T P-3 .

[0113] Controlling electrical equipment to reduce power can be used to allow the equipment to continue operating after the power is reduced, for example, reducing the power of the equipment from 10W to 6W and then allowing it to continue operating; or it can be used to control the equipment to stop, for example, reducing the power of the equipment from 10W to 0W, at which point the equipment is in a stopped state.

[0114] In actual implementation, such as Figure 2 As shown, T P-1 The starting temperature of the first fan unit 200 is T. i <T P-1 At that time, the first fan unit 200 remains in the off state; when T i =T P-1 When T is reached, the first fan unit 200 corresponding to the i-th radiator 100 is started and rotates at a first initial speed; when T... P-1 ≤T i ≤T P-2 When, set T i Linear or nonlinear interpolation is performed on the relationship between the rotational speed of the corresponding i-th first wind turbine unit 200 and the rotational speed of the first wind turbine unit 200, while maintaining a positive correlation between the two, according to T i And the relationship between the two controls the rotation speed of the i-th first wind turbine unit 200; when T i =T P-2 At that time, the corresponding i-th first wind turbine unit 200 is controlled to work at full speed, even if T i As the temperature continues to rise, the first fan unit 200 continues to operate at full speed.

[0115] like Figure 2 As shown, T P-3 The set heat dissipation limit temperature for the first fan unit 200 is determined because the first fan unit 200 dissipates heat for its corresponding heat sink 100 and power device group 400. Therefore, when T... P-3 ≤T i When the temperature of the radiator 100 and the power device group 400 exceeds the heat dissipation limit temperature of their corresponding first fan group 200, controlling the electrical equipment to reduce the power can ensure the heat dissipation effect of the first fan group 200 and avoid damage caused by the excessive temperature of its corresponding radiator 100 and power device group 400.

[0116] The electrical equipment control method provided in this application embodiment controls the equipment by setting T. P-1 and T P-2 Two target temperature values, and control the first fan unit 200 at T P-1 and T P-2 Under the two target temperature conditions, the fan group 200 rotates at the first initial speed and full speed respectively. The rotation speed of the first fan group 200 can be determined according to the temperature of the power device group 400 corresponding to the i-th heat sink 100. In this way, the power device group 400 and the heat sink 100 can be effectively cooled while the energy consumption of the first fan group 200 is reduced.

[0117] By setting T P-3 This ensures the heat dissipation effect of the first fan unit 200 and prevents its corresponding heat sink 100 and power device group 400 from overheating and being damaged.

[0118] In some embodiments, such as Figure 2 As shown, the control methods for electrical equipment also include:

[0119] In determining T i <T P-1 In the case of control and T i The corresponding i-th first wind turbine unit 200 is in a shutdown state.

[0120] In actual implementation, such as Figure 2 As shown, when T P-1 ≤T i When the i-th radiator 100 is controlled to operate, the i-th first fan unit 200 corresponding to the i-th radiator 100 is controlled to operate. When the operation of the first fan unit 200 causes T to operate... i Descending to T i <T P-1 After that, there is no need to cool the i-th heat sink 100 and its corresponding i-th power device group 400. Therefore, the i-th first fan group 200 is controlled to stop at this time.

[0121] By determining T i <T P-1 In the case of control and T i When the i-th first fan unit 200 is shut down, the i-th radiator 100 and its corresponding i-th power device group 400 can stop heat dissipation when the temperature is low, thereby reducing the energy consumption of the corresponding first fan unit 200, avoiding the first fan unit 200 from doing ineffective work, and at the same time, it can extend the service life of the first fan unit 200 to a certain extent.

[0122] In some embodiments, such as Figures 3-8 As shown, the electrical equipment also includes a second fan 300 installed in the inner cavity.

[0123] The second fan 300 may include a first sub-fan 310 and a second sub-fan 320. The first sub-fan 310 may be installed on the upper end of the inner wall of the side of the housing 500 with an opening, and the second sub-fan 320 may be installed on the lower end of the inner wall of the side of the housing 500 with an opening.

[0124] like Figure 2 As shown, the control methods for electrical equipment also include:

[0125] In determining T c ≥T c-1 In this case, control the second fan 300 to operate; among which,

[0126] T c-1 Each represents a target temperature value.

[0127] Among them, such as Figure 2 As shown, T c-1 For a preset target temperature value, T c-1 The starting temperature of the second fan 300 is when the measured T c Value greater than T c-1 At this time, the second fan 300 is controlled to work. That is, at this time, only the first sub-fan 310 and the second sub-fan 320 are used to turbulently dissipate heat in the inner cavity of the casing 500, thereby cooling down the high temperature gas in the inner cavity and reducing the overall temperature of the casing 500.

[0128] By controlling the second fan 300 to operate when the internal temperature is high, the second fan 300 can turbulently dissipate heat in the internal cavity of the chassis 500, thereby reducing the temperature in the internal cavity and indirectly reducing the temperature of electronic components 600, magnetic components 700 and other components 800, thus preventing damage to electronic components 600, magnetic components 700, other components 800 and the chassis 500 as a whole due to high temperature.

[0129] In some embodiments, such as Figure 2 As shown, controlling the operation of the second fan 300 includes:

[0130] In determining T c =T c-1 In this case, control the second fan 300 to start at the second initial speed;

[0131] In determining T c =T c-2 In this case, control the second fan 300 to start at full speed, and at T c-1 ≤T c ≤T c-2 In this case, the speed of the second fan 300 is positively correlated with the magnitude of Tc;

[0132] In determining T c ≥T c-3 In the event of this, the electrical equipment is controlled to reduce its power; wherein

[0133] T c-2 and T c-3 Each represents a target temperature value, and T c-1 <T c-2 <T c-3 .

[0134] Controlling electrical equipment to reduce power can also be used to control the electrical equipment to continue working after reducing power or to control the electrical equipment to stop.

[0135] In actual implementation, such as Figure 2 As shown, T c-1 The starting temperature of the second fan 300 is T. c<T c-1 At that time, the second fan 300 remains off; when T c =T c-1 At that time, control the second fan 300 to start and rotate at the second initial speed; when T c-1 ≤T c ≤T c-2 At that time, set T c Linear or nonlinear interpolation is performed between the rotational speed of the second fan 300 and the rotational speed of the second fan 300, while maintaining a positive correlation between the two, based on T. c And the relationship between the two controls the rotation speed of the corresponding second fan 300; when T c =T c-2 At that time, control the second fan 300 to work at full speed, even if T c As the temperature continues to rise, the second fan, 300, continues to operate at full speed.

[0136] like Figure 2 As shown, T c-3 The set limit temperature for the second fan 300 is determined because the second fan 300 is used to dissipate heat from the internal cavity of the chassis 500. Therefore, when T... c ≥T c-3 When the temperature inside the cavity exceeds the heat dissipation limit of the second fan 300, controlling the electrical equipment to reduce the power can ensure the heat dissipation effect of the second fan 300 and avoid safety accidents caused by excessively high internal cavity temperature and poor heat dissipation.

[0137] The electrical equipment control method provided in this application embodiment controls the equipment by setting T. c-1 and T c-2 Two target temperature values, and control the second fan 300 at T c-1 and T c-2 When rotating at the first initial speed and full speed under the two target temperature conditions, the rotation speed of the second fan 300 can be determined according to the temperature of the inner cavity, thereby effectively cooling the inner cavity while reducing the energy consumption of the second fan 300.

[0138] By setting T c-3 This ensures the heat dissipation effect of the second fan 300, preventing safety accidents caused by excessive internal temperature and poor heat dissipation.

[0139] In some embodiments, such as Figure 2 As shown, in step 1020, based on T i Control and T i Before the corresponding i-th first wind turbine unit 200, the method also includes:

[0140] If the i-th power device group 400 is determined to be shut down, the i-th first fan group 200 corresponding to the i-th power device group 400 is controlled to be shut down.

[0141] In actual implementation, such as Figure 2 As shown, when the i-th power device group 400 is in a stopped or non-operating state, the i-th first fan group 200 corresponding to the i-th power device group 400 is controlled to shut down. For example, when the i-th power device group 400 is not powered on, the i-th first fan group 200 is controlled to shut down. When the i-th power device group 400 is in an operating state, if T... i <T P-1 If T P-1 ≤T i Then, control the i-th first fan unit 200 to work.

[0142] By controlling the i-th first fan unit 200 corresponding to the i-th power device group 400 to shut down when the i-th power device group 400 is determined to be shut down, the first fan unit 200 can be prevented from operating when its corresponding power device group 400 is not powered on but its temperature rises under other influences, thereby reducing the energy consumption of the first fan unit 200 and extending the service life of the first fan unit 200.

[0143] In some embodiments, such as Figure 9 and Figure 10 As shown, a heat insulation layer 900 is provided on the surface of the substrate 110 of the heat sink 100 at a position that does not correspond to the power device group 400.

[0144] like Figure 9 and Figure 10 As shown, each power device 410 in the power device group 400 can be installed at intervals on the substrate 110 of the heat sink 100. The surface of the substrate 110 of the heat sink 100 that is not in contact with the power device group 400 is provided with a heat insulation layer 900, which can be made of polyurethane foam material.

[0145] Because the contact area between the substrate 110 of the heat sink 100 and the hot air in the inner cavity is large, a lot of condensate is usually generated on the substrate 110 of the heat sink 100. By providing a heat insulation layer 900 on the surface of the portion of the substrate 110 of the heat sink 100 that is not in contact with the power device group 400, the low-temperature heat sink 100 substrate 110 can be prevented from exchanging heat with the high-temperature gas in the inner cavity to generate condensate. At the same time, it can be ensured that the heat of the power device group 400 can be transferred to its corresponding heat sink 100 substrate 110.

[0146] The embodiments of this application are described in detail below.

[0147] like Figure 1 and Figure 2As shown in the embodiment of this application, the control method for electrical equipment includes two sets of radiators 100 and two sets of power device groups 400 and two sets of first fan groups 200. The first set of power device groups 400 includes 6 power devices 410, and the second set of power device groups 400 includes 1 power device 410.

[0148] Get the temperature Ti of the power device group 400 corresponding to the i-th heat sink 100 and the temperature Tc of the inner cavity of the chassis 500. If the i-th power device group 400 stops, control the i-th first fan group 200 corresponding to the i-th power device group 400 to shut down; if the i-th power device group 400 is working, determine the magnitude of Ti and TP-1.

[0149] If T i <T P-1 If T P-1 ≤T i And T c -T i If ≤ΔT, then control the operation of the i-th first wind turbine group 200 corresponding to the i-th power device group 400, where, when T is determined... i =T P-1 In the case of control and T i The corresponding i-th first wind turbine unit 200 starts at the first initial speed; when T is determined i =T P-2 In the case of control and T i The corresponding i-th first wind turbine unit 200 starts at full speed, and at T P-1 ≤T i ≤T P-2 In this case, the speed of the first fan in the corresponding group is related to T. i The magnitudes are positively correlated; when determining T i ≥T P-3 In such cases, the electrical equipment is controlled to reduce power.

[0150] In determining T P-1 ≤T i And ΔT <T c -T i In the case of control and T i The speed of the corresponding i-th first wind turbine unit 200 decreases, and after the i-th first wind turbine unit 200 decreases speed and continues to work for the target duration t, there is still ΔT. <T c -T i If so, then the i-th first fan unit 200 is shut down.

[0151] Determine T c The size of T, if T c≥T c-1 Then, control the second fan 300 to work, wherein, when T is determined c =T c-1 In the case of T, control the second fan 300 to start at the second initial speed; c =T c-2 In this case, control the second fan 300 to start at full speed, and at T c-1 ≤T c ≤T c-2 In this case, the speed of the second fan 300 is the same as T. c The magnitudes are positively correlated; when determining T c ≥T c-3 In the event of T, control the electrical equipment to reduce power; if T c <T c-1 Then the second fan 300 will be shut down.

[0152] The control method for electrical equipment provided in this application can be executed by a control device for the electrical equipment. This application uses the example of a control device for the electrical equipment executing the control method to illustrate the control device for the electrical equipment provided in this application.

[0153] This application also provides a control device for electrical equipment.

[0154] like Figure 11 As shown, the control device of the electrical equipment includes: a first acquisition module 1110 and a first control module 1120.

[0155] The electrical equipment includes: a chassis 500 defining a sealed internal cavity; multiple heat sinks 100 mounted on the opening of the chassis 500; multiple power device groups 400 mounted on the substrate 110 of the multiple heat sinks 100; and multiple first fan groups 200 for dissipating heat from the fins 120 of the multiple heat sinks 100, wherein each of the multiple first fan groups 200 corresponds one-to-one with the multiple power device groups 400 and the multiple heat sinks 100; the device includes:

[0156] The first acquisition module 1110 is used to acquire the temperature T of each of the multiple power device groups 400. i , i = 1 to n;

[0157] The first control module 1120 is used for T-based... i Control and T i The corresponding i-th first wind turbine unit 200.

[0158] According to the control device for electrical equipment provided in the embodiments of this application, condensation can be avoided on the substrate 110 of the radiator 100, thereby preventing short circuits and overall equipment failure.

[0159] In some embodiments, the first acquisition module 1110 can also be used to: acquire the ambient temperature Tc of the cavity;

[0160] The first control module 1120 can also be used for:

[0161] In determining T P-1 ≤T i And ΔT <T c -T i In the case of control and T i The speed of the corresponding i-th first wind turbine unit 200 decreases; among which,

[0162] T P-1 This is a target temperature value.

[0163] By determining T P-1 ≤T i And ΔT <T c -T i In the case of control and T i The speed of the i-th first fan group 200 is reduced, which can prevent the temperature difference between the ambient temperature of the inner cavity and the power device group 400 corresponding to the i-th heat sink 100 from continuing to increase. This prevents the substrate 110 of the i-th heat sink 100 and the corresponding power device group 400 from being too cold, which would cause condensation when they come into contact with hot air in the inner cavity. This further prevents short circuits and failure of the whole machine.

[0164] In some embodiments, the first control module 1120 can also be used for:

[0165] After the target duration t, and ΔT is determined. <T c -T i In the case of [condition], control the i-th first wind turbine unit 200 to shut down.

[0166] By controlling the corresponding first wind turbine unit 200 to reduce speed and continue working for the target time t, and determining ΔT <T c -T i In the case of controlling the i-th first fan unit 200 to shut down, the heat dissipation of the i-th heat sink 100 can be stopped, so that the temperature of the substrate 110 of the i-th heat sink 100 and the corresponding power device group 400 gradually approaches the temperature of the inner cavity, thereby avoiding the generation of condensate.

[0167] In some embodiments, the first control module 1120 can also be used to: determine T P-1 ≤T i And T c -T i When ≤ΔT, control is related to T i The corresponding i-th first wind turbine unit 200 is working.

[0168] By controlling the operation of the corresponding first fan group 200 when the temperature difference between the power device group 400 and the ambient temperature of the inner cavity is small, heat dissipation can be avoided when the substrate 110 of the i-th heat sink 100 and the corresponding power device group 400 are too cold, which would cause the hot air in the inner cavity to come into contact with the substrate 110 of the i-th heat sink 100 and the corresponding power device group 400 at a lower temperature and generate condensation, thus protecting the circuit and the whole machine.

[0169] In some embodiments, the first control module 1120 can also be used for:

[0170] In determining T i =T P-1 In the case of control and T i The corresponding i-th first wind turbine unit 200 starts at the first initial speed;

[0171] In determining T i =T P-2 In the case of control and T i The corresponding i-th first wind turbine unit 200 starts at full speed, and at T P-1 ≤T i ≤T P-2 In this case, the speed of the first fan 210 in the corresponding group is related to T. i The magnitudes are positively correlated;

[0172] In determining T i ≥T P-3 In the event of this, the electrical equipment is controlled to reduce its power; wherein

[0173] T P-2 and T P-3 Each represents a target temperature value, and T P-1 <T P-2 <T P-3 .

[0174] The control device for electrical equipment provided in this application embodiment controls the device by setting T. P-1 and T P-2 Two target temperature values, and control the first fan unit 200 at T P-1 and T P-2 Under the two target temperature conditions, the fan group 200 rotates at the first initial speed and full speed respectively. The rotation speed of the first fan group 200 can be determined according to the temperature of the power device group 400 corresponding to the i-th heat sink 100. In this way, the power device group 400 and the heat sink 100 can be effectively cooled while the energy consumption of the first fan group 200 is reduced.

[0175] By setting T P-3This ensures the heat dissipation effect of the first fan unit 200 and prevents its corresponding heat sink 100 and power device group 400 from overheating and being damaged.

[0176] In some embodiments, the first control module 1120 can also be used for:

[0177] In determining T i <T P-1 In the case of control and T i The corresponding i-th first wind turbine unit 200 is in a shutdown state.

[0178] By determining T i <T P-1 In the case of control and T i When the i-th first fan unit 200 is shut down, the i-th radiator 100 and its corresponding i-th power device group 400 can stop heat dissipation when the temperature is low, thereby reducing the energy consumption of the corresponding first fan unit 200, avoiding the first fan unit 200 from doing ineffective work, and at the same time, it can extend the service life of the first fan unit 200 to a certain extent.

[0179] In some embodiments, the electrical equipment further includes a second fan 300 installed in the cavity;

[0180] The first control module 1120 can also be used for:

[0181] In determining T c ≥T c-1 In this case, control the second fan 300 to operate; among which,

[0182] T c-1 This is a target temperature value.

[0183] By controlling the second fan 300 to operate when the internal temperature is high, the second fan 300 can turbulently dissipate heat in the internal cavity of the chassis 500, thereby reducing the temperature in the internal cavity and indirectly reducing the temperature of electronic components 600, magnetic components 700 and other components 800, thus preventing damage to electronic components 600, magnetic components 700, other components 800 and the chassis 500 as a whole due to high temperature.

[0184] In some embodiments, the first control module 1120 can also be used for:

[0185] In determining T c =T c-1 In this case, control the second fan 300 to start at the second initial speed;

[0186] In determining T c =T c-2 In this case, control the second fan 300 to start at full speed, and at Tc-1 ≤T c ≤T c-2 In this case, the speed of the second fan 300 is positively correlated with the magnitude of Tc;

[0187] In determining T c ≥T c-3 In the event of this, the electrical equipment is controlled to reduce its power; wherein

[0188] T c-2 and T c-3 Each of these represents a target temperature value, and T c-1 <T c-2 <T c-3 .

[0189] The control device for electrical equipment provided in this application embodiment controls the device by setting T. c-1 and T c-2 Two target temperature values, and control the second fan 300 at T c-1 and T c-2 When rotating at the first initial speed and full speed under the two target temperature conditions, the rotation speed of the second fan 300 can be determined according to the temperature of the inner cavity, thereby effectively cooling the inner cavity while reducing the energy consumption of the second fan 300.

[0190] By setting T c-3 This ensures the heat dissipation effect of the second fan 300, preventing safety accidents caused by excessive internal temperature and poor heat dissipation.

[0191] In some embodiments, the first control module 1120 can also be used for:

[0192] If the i-th power device group 400 is determined to be shut down, the i-th first fan group 200 corresponding to the i-th power device group 400 is controlled to be shut down.

[0193] By controlling the i-th first fan unit 200 corresponding to the i-th power device group 400 to shut down when the i-th power device group 400 is determined to be shut down, the first fan unit 200 can be prevented from operating when its corresponding power device group 400 is not powered on but its temperature rises under other influences, thereby reducing the energy consumption of the first fan unit 200 and extending the service life of the first fan unit 200.

[0194] In some embodiments, a heat insulation layer 900 is provided on the surface of the substrate 110 of the heat sink 100 at a position that does not correspond to the power device group 400.

[0195] Because the contact area between the substrate 110 of the heat sink 100 and the hot air in the inner cavity is large, a lot of condensate is usually generated on the substrate 110 of the heat sink 100. By providing a heat insulation layer 900 on the surface of the portion of the substrate 110 of the heat sink 100 that is not in contact with the power device group 400, the low-temperature heat sink 100 substrate 110 can be prevented from exchanging heat with the high-temperature gas in the inner cavity to generate condensate. At the same time, it can be ensured that the heat of the power device group 400 can be transferred to its corresponding heat sink 100 substrate 110.

[0196] This application also provides an electrical device, including:

[0197] Control devices for any of the above-mentioned electrical equipment;

[0198] The first fan unit 200 and the second fan 300 are electrically connected to the control device of the electrical equipment.

[0199] According to the control device for electrical equipment provided in the embodiments of this application, by adopting any of the above-mentioned control devices for electrical equipment, condensation can be avoided on the substrate 110 of the radiator 100, thereby avoiding short circuits and failure of the whole machine.

[0200] The control device for the electrical equipment in this application embodiment can be an electronic device or a component within an electronic device, such as an integrated circuit or a chip. The electronic device can be a terminal or other devices besides a terminal. For example, the electronic device can be a mobile phone, tablet computer, laptop computer, PDA, in-vehicle electronic device, mobile internet device (MID), augmented reality (AR) / virtual reality (VR) device, robot, wearable device, ultra-mobile personal computer (UMPC), netbook, or personal digital assistant (PDA), etc. It can also be a server, network attached storage (NAS), personal computer (PC), television (TV), ATM, or self-service machine, etc. This application embodiment does not specifically limit the scope of the device.

[0201] The control device for the electrical equipment in this application embodiment can be a device with an operating system. This operating system can be a Microsoft (Windows) operating system, an Android operating system, an iOS operating system, or other possible operating systems; this application embodiment does not specifically limit the specific operating system.

[0202] The control device for electrical equipment provided in this application embodiment can achieve... Figures 1 to 2 The various processes implemented in the method implementation examples will not be described again here to avoid repetition.

[0203] In some embodiments, such as Figure 12 As shown, this application embodiment also provides an electronic device 1200, including a processor 1201, a memory 1202, and a computer program stored in the memory 1202 and executable on the processor 1201. When the program is executed by the processor 1201, it implements the various processes of the control method embodiment of the above-mentioned electrical device and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0204] It should be noted that the electronic devices in the embodiments of this application include the mobile electronic devices and non-mobile electronic devices described above.

[0205] This application also provides a non-transitory computer-readable storage medium storing a computer program. When the computer program is executed by a processor, it implements the various processes of the control method embodiment of the above-described electrical equipment and achieves the same technical effect. To avoid repetition, it will not be described again here.

[0206] The processor is the processor in the electronic device described in the above embodiments. The readable storage medium includes computer-readable storage media, such as computer read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk.

[0207] This application also provides a computer program product, including a computer program that, when executed by a processor, implements the control method for the aforementioned electrical equipment.

[0208] The processor is the processor in the electronic device described in the above embodiments. The readable storage medium includes computer-readable storage media, such as computer read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk.

[0209] This application embodiment also provides a chip, which includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the various processes of the control method embodiment of the above-mentioned electrical equipment and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0210] It should be understood that the chip mentioned in the embodiments of this application may also be referred to as a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.

[0211] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0212] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a computer software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions to cause a terminal (which may be a mobile phone, computer, server, or network device, etc.) to execute the methods described in the various embodiments of this application.

[0213] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

[0214] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0215] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A control method for electrical equipment, characterized in that, The electrical equipment includes: a chassis defining a sealed internal cavity; multiple heat sinks mounted at the opening of the chassis; multiple power device groups mounted on the substrates of the multiple heat sinks; and multiple first fan groups for dissipating heat from the fins of the multiple heat sinks, wherein each of the multiple first fan groups corresponds one-to-one with the multiple power device groups and the multiple heat sinks; the method includes: Obtain the temperature T of each of the multiple power device groups. i , i = 1 ~ n; Based on T i Control and T i The corresponding i-th first wind turbine unit; The method further includes: obtaining the ambient temperature T of the cavity. c The T-based i Control and T i The corresponding i-th first wind turbine unit includes: In determining T P-1 ≤T i And ΔT <T c -T i In the case of control and T i The speed of the corresponding i-th first wind turbine unit decreases; where... T P-1 This is the starting temperature of the first fan unit.

2. The control method for electrical equipment according to claim 1, characterized in that, In the control and T i After the speed of the i-th first wind turbine unit decreases, the method further includes: After the target duration t, and ΔT is determined. <T c -T i In the event of this, the i-th first wind turbine unit is shut down.

3. The control method for electrical equipment according to claim 1, characterized in that, The T-based i Control and T i The corresponding i-th first wind turbine unit includes: In determining T P-1 ≤T i And T c -T i When ≤ΔT, control is related to T i The corresponding i-th first wind turbine unit is operational; where... T P-1 This is a target temperature value.

4. The control method for electrical equipment according to claim 3, characterized in that, The control and T i The operation of the corresponding i-th first wind turbine unit includes: In determining T i =T P-1 In the case of control and T i The corresponding i-th first wind turbine unit starts at the first initial speed; In determining T i =T P-2 In the case of control and T i The corresponding i-th first wind turbine unit starts at full speed, and in T P-1 ≤T i ≤T P-2 In the case of T, the speed of the first fan in the corresponding group is the same as T. i The magnitudes are positively correlated; In determining T i ≥T P-3 In the event of this, the electrical equipment is controlled to reduce its power; wherein T P-2 and T P-3 Each represents a target temperature value, and T P-1 <T P-2 <T P-3 .

5. The control method for electrical equipment according to any one of claims 1-4, characterized in that, The method further includes: In determining T i <T P-1 In the case of control and T i The corresponding i-th first wind turbine unit is in a shutdown state.

6. The control method for electrical equipment according to any one of claims 1-4, characterized in that, The electrical equipment further includes a second fan installed in the inner cavity, and the method further includes: In determining T c ≥T c-1 In this case, control the second fan to operate; wherein, T c-1 This is a target temperature value.

7. The control method for electrical equipment according to claim 6, characterized in that, The control of the second fan includes: In determining T c =T c-1 In this case, control the second fan to start at the second initial speed; In determining T c =T c-2 In this case, control the second fan to start at full speed, and at T c-1 ≤T c ≤T c-2 In this case, the speed of the second fan is related to T c The magnitudes are positively correlated; In determining T c ≥T c-3 In the event of this, the electrical equipment is controlled to reduce its power; wherein T c-2 and T c-3 Each represents a target temperature value, and T c-1 <T c-2 <T c-3 .

8. The control method for electrical equipment according to any one of claims 1-4, characterized in that, Based on T i Control and T i Before the corresponding i-th first wind turbine unit, the method further includes: If it is determined that the i-th power device group is shut down, the i-th first wind turbine group corresponding to the i-th power device group is controlled to shut down.

9. The control method for electrical equipment according to any one of claims 1-4, characterized in that, A heat insulation layer is provided on the surface of the substrate of the heat sink at a position that does not correspond to the power device group.

10. A control device for electrical equipment, characterized in that, The electrical equipment includes: a chassis defining a sealed internal cavity; multiple heat sinks mounted at the opening of the chassis; multiple power device groups mounted on the substrates of the multiple heat sinks; and multiple first fan groups for dissipating heat from the fins of the multiple heat sinks, wherein each of the multiple first fan groups corresponds one-to-one with the multiple power device groups and the multiple heat sinks; the device includes: The first acquisition module is used to acquire the temperature T of each of the multiple power device groups. i , i = 1 ~ n; The first control module is used for T-based... i Control and T i The corresponding i-th first wind turbine unit; Obtain the ambient temperature T of the cavity c The T-based i Control and T i The corresponding i-th first wind turbine unit includes: In determining T P-1 ≤T i And ΔT <T c -T i In the case of control and T i The speed of the corresponding i-th first wind turbine unit decreases; where... T P-1 This is the starting temperature of the first fan unit.

11. An electrical device, characterized in that, include: Control device for electrical equipment as described in claim 10; The first fan unit and the second fan are electrically connected to the control device of the electrical equipment.

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