Electrical control board, outdoor air conditioning unit and air conditioner

Abstract

This invention discloses an electronic control board, an outdoor air conditioning unit, and an air conditioner. The electronic control board includes a substrate. The front side of the substrate has a first mounting area, a second mounting area, a third mounting area, and a fourth mounting area. The substrate includes a first side and a second side along its length. The first and second mounting areas are arranged sequentially along the width of the substrate, close to the first side. The third and fourth mounting areas are arranged sequentially along the width of the substrate, close to the second side. By installing the main control circuit, rectifier and inverter circuit, power input circuit, and functional interface circuit in their respective mounting areas, the installation of each circuit can be more compact, the layout design can be more reasonable, thereby reducing the area occupied by the components, effectively reducing the overall size of the electronic control board, increasing installation flexibility, and improving the assembly efficiency of the outdoor air conditioning unit.

Description

Technical Field

[0001] This invention relates to the field of household appliance technology, and in particular to an electronic control board, an outdoor unit of an air conditioner, and an air conditioner. Background Technology

[0002] In related technologies, the component layout design of the air conditioner's electronic control board is unreasonable. The electronic control board is large in size and occupies a lot of space, resulting in low flexibility in the overall design and significant inconvenience in assembly and connection during the production process. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. To this end, the present invention proposes an electronic control board with optimized layout of various circuits, a more reasonable design, and an effective reduction in the overall size of the electronic control board.

[0004] The present invention also provides an outdoor unit for an air conditioner and an air conditioner including the above-mentioned electronic control board.

[0005] According to a first aspect of the present invention, an electronic control board includes:

[0006] A substrate, wherein a first mounting area, a second mounting area, a third mounting area and a fourth mounting area are provided on the front side of the substrate, the substrate includes a first side and a second side along the length direction of the substrate, the first mounting area and the second mounting area are arranged sequentially near the first side and along the width direction of the substrate, and the third mounting area and the fourth mounting area are arranged sequentially near the second side and along the width direction of the substrate.

[0007] The main control circuit is located in the first mounting area;

[0008] The rectifier and inverter circuits are located in the second mounting area;

[0009] A power input circuit is located in the third mounting area;

[0010] The functional interface circuit is located in the fourth mounting area;

[0011] The main control circuit, the power input circuit, and the functional interface circuit are respectively connected to the rectifier and inverter circuits.

[0012] The electronic control board according to embodiments of the present invention has at least the following beneficial effects:

[0013] By dividing the base plate of the electronic control board into a first mounting area, a second mounting area, a third mounting area, and a fourth mounting area, and installing the main control circuit, rectifier and inverter circuit, power input circuit, and functional interface circuit in the corresponding mounting areas, the main control circuit and rectifier and inverter circuit can be arranged side by side and close to the first side of the base plate along the length direction. At the same time, the power input circuit and functional interface circuit can be arranged side by side and close to the second side of the base plate along the length direction. This makes the installation of each circuit more compact and the layout design more reasonable, thereby reducing the area occupied by the components, effectively reducing the overall size of the electronic control board, increasing installation flexibility, and improving the assembly efficiency of the outdoor unit of the air conditioner.

[0014] According to some embodiments of the present invention, the first side is located on the left side of the substrate, the first side is located on the right side of the substrate, and along the left-right direction of the substrate, the first mounting area is adjacent to the fourth mounting area, and the second mounting area is adjacent to the third mounting area.

[0015] According to some embodiments of the present invention, in a direction perpendicular to the left and right of the substrate, the first mounting area and the second mounting area are arranged sequentially from top to bottom, and the fourth mounting area and the third mounting area are arranged sequentially from top to bottom.

[0016] According to some embodiments of the present invention, the main control circuit includes a control chip, the center of which is located in a region with a first position point as the center and R1 as the radius, the upper right corner of the substrate is the origin, the distance between the first position point and the origin along the length direction is X1, and the distance between the first position point and the origin along the width direction is Y1, satisfying: X1 = 155mm, Y1 = 15mm, R1 = 10mm.

[0017] According to some embodiments of the present invention, the rectifier and inverter circuit includes a smart power module, the center of which is located in a region with a second position point as the center and R2 as the radius, the upper right corner of the substrate is the origin, the distance between the second position point and the origin along the length direction is X2, and the distance between the second position point and the origin along the width direction is Y2, satisfying: X2 = 150mm, Y2 = 55mm, R2 = 10mm.

[0018] According to some embodiments of the present invention, the rectifier and inverter circuit further includes a rectifier module, the center of which is located in a region with a third position point as the center and R3 as the radius. The distance between the third position point and the origin along the length direction is X3, and the distance between the third position point and the origin along the width direction is Y3, satisfying: X3 = 150mm, Y3 = 100mm, R3 = 15mm.

[0019] According to some embodiments of the present invention, the electronic control board further includes a heat sink for dissipating heat from the intelligent power module and the rectifier module, and the second mounting area is provided with a bracket for fixing the heat sink.

[0020] According to some embodiments of the present invention, the rectifier and inverter circuit includes a first electrolytic capacitor and a second electrolytic capacitor arranged side by side. The center of the first electrolytic capacitor is located in a region with a fourth position point as the center and a radius of R4. The center of the second electrolytic capacitor is located in a region with a fifth position point as the center and a radius of R5. The upper right corner of the substrate is the origin. The distance between the fourth position point and the origin along the length direction is X4. The distance between the fourth position point and the origin along the width direction is Y4. The distance between the fifth position point and the origin along the length direction is X5. The distance between the fifth position point and the origin along the width direction is Y5, satisfying: X4 = 78mm, Y4 = 74mm, X5 = 80mm, Y5 = 110mm, R4 = R5 = 20mm.

[0021] According to some embodiments of the present invention, the functional interface circuit includes a thin film capacitor, the center of which is located in a region with a sixth position point as the center and R6 as the radius. The upper right corner of the substrate is the origin. The distance between the sixth position point and the origin along the length direction is X6, and the distance between the sixth position point and the origin along the width direction is Y6, satisfying: X6 = 51mm, Y6 = 26mm, R6 = 10mm.

[0022] According to some embodiments of the present invention, the functional interface circuit is provided with a plurality of sockets, and the plurality of sockets are arranged near the edge of the substrate.

[0023] According to some embodiments of the present invention, the length of the substrate is L and the width of the substrate is W, satisfying: L≤178mm, W≤138mm.

[0024] An outdoor unit for an air conditioner according to a second aspect of the present invention includes the electronic control board described in the first aspect embodiment.

[0025] The outdoor unit of the air conditioner according to embodiments of the present invention has at least the following beneficial effects:

[0026] The electronic control board of the above embodiment enables more compact installation of each circuit and a more reasonable layout design, thereby reducing the area occupied by the components, effectively reducing the overall size of the electronic control board, increasing installation flexibility, and improving the assembly efficiency of the outdoor unit of the air conditioner.

[0027] An air conditioner according to a third aspect embodiment of the present invention includes the outdoor unit of the air conditioner described in the second aspect embodiment.

[0028] The air conditioner adopts all the technical solutions of the outdoor unit of the air conditioner in the above embodiments, and therefore has at least all the beneficial effects brought about by the technical solutions in the above embodiments.

[0029] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. Attached Figure Description

[0030] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0031] Figure 1 This is a schematic diagram of the front structure of an electronic control board according to an embodiment of the present invention;

[0032] Figure 2 This is a three-dimensional structural diagram of an electronic control board according to an embodiment of the present invention;

[0033] Figure 3 This is a schematic diagram of the mounting area division of a substrate according to an embodiment of the present invention;

[0034] Figure 4 This is a schematic diagram of the structure of an electronic control board with a bracket according to an embodiment of the present invention;

[0035] Figure 5 This is a schematic diagram of the structure of an electronic control board with a heat dissipation cavity according to an embodiment of the present invention.

[0036] Figure label:

[0037] 1000 electronic control board;

[0038] Substrate 100; First mounting area 110; First circular area 111; Second mounting area 120; Second circular area 121; Third circular area 122; Fourth circular area 123; Fifth circular area 124; Third mounting area 130; Fourth mounting area 140; Sixth circular area 141;

[0039] Main control circuit 200; control chip 210;

[0040] Rectifier and inverter circuit 300; intelligent power module 310; rectifier module 320; first electrolytic capacitor 330; second electrolytic capacitor 340; bracket 350; heat sink 360;

[0041] Power input circuit 400; common mode inductor 410;

[0042] Functional interface circuit 500; film capacitor 510; socket 520. Detailed Implementation

[0043] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0044] In the description of this invention, it should be understood that the terms "up," "down," "left," "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0045] In the description of this invention, the use of "first" and "second" is for the purpose of distinguishing technical features only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0046] In the description of this invention, it should be noted that terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0047] In the description of this invention, the descriptions of embodiments, specific embodiments, etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same implementation 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.

[0048] Air conditioners typically include an electronic control board (ECU) to control the operation of components such as the compressor and fan, ensuring stable operation of the refrigeration system. This is used in split-type and unit-type air conditioners. Taking the ECU of an outdoor unit as an example, it usually contains functional modules such as a main control module, an Intelligent Power Module (IPM), a rectifier bridge, and a power supply module. The circuit components of these modules are relatively dispersed, arranged in various parts of the printed circuit board, making the ECU bulky and difficult to install, contradicting the trend towards miniaturized ECU design. Furthermore, the dispersed components increase the difficulty of wiring, making connection and connection during assembly extremely inconvenient, time-consuming, and impacting production efficiency.

[0049] The embodiments of the present invention, through the rational design of the layout of each module circuit, make the installation of each module circuit more compact, reduce the area occupied by the components, thereby effectively reducing the overall size of the electronic control board, increasing installation flexibility, and improving the assembly efficiency of the outdoor unit of the air conditioner.

[0050] refer to Figures 1 to 5 The present invention describes an electronic control board 1000, which is applicable to an air conditioner and specifically applied to an outdoor unit of an air conditioner. The electronic control board 1000 is described below with specific examples.

[0051] Reference Figure 1 As shown, the electronic control board 1000 of this embodiment includes a substrate 100, which is a printed circuit board. The substrate 100 is generally rectangular. A main control circuit 200, a rectifier and inverter circuit 300, a power input circuit 400, and a functional interface circuit 500 are disposed on the substrate 100. Each circuit is composed of corresponding devices connected together. Figure 1 As shown, the substrate 100 is divided into four regions. The main control circuit 200, the rectifier and inverter circuit 300, the power input circuit 400 and the functional interface circuit 500 are arranged on the front side of the substrate 100 according to the regions, forming the overall control circuit of the electronic control board 1000.

[0052] The main control circuit 200 includes a control chip 210 and passive components connected to the control chip 210, primarily used to collect relevant data and control the operation of components such as the fan and compressor. The rectifier and inverter circuit 300 includes a rectifier circuit and an inverter circuit. The rectifier circuit converts the input AC power into DC power, and the inverter circuit converts the DC power into three-phase output to drive the compressor. The power input circuit 400 is used for inputting power to the outdoor unit of the air conditioner. The rectifier circuit converts the input AC power into DC power, thereby supplying power to the control chip 210 and related modules, and can also output power to external components. The functional interface circuit 500 includes a socket 520 and peripheral circuits connected to the socket 520. The socket 520 is used for outputting relevant load interfaces.

[0053] Reference Figure 1 As shown, the front side of the substrate 100 is divided into a first mounting area 110, a second mounting area 120, a third mounting area 130, and a fourth mounting area 140. The main control circuit 200 is mounted in the first mounting area 110, the rectifier and inverter circuit 300 is mounted in the second mounting area 120, the power input circuit 400 is mounted in the third mounting area 130, and the functional interface circuit 500 is mounted in the fourth mounting area 140, so that each circuit is laid out according to the area, and the devices of different circuits are connected to the corresponding positions of different mounting areas on the substrate 100.

[0054] Taking the main control circuit 200 as an example, the main control circuit 200 includes a control chip 210 and peripheral passive components. The control chip 210 and the passive components are soldered on the substrate 100 at the positions corresponding to the first mounting area 110. The passive components are connected to the pins of the control chip 210 through copper lines arranged on the substrate 100. The relative positions of each passive component and the control chip 210 can be arranged according to the size of the first mounting area 110. For example, the passive components include resistors, capacitors, etc. The passive components can be arranged around the control chip 210 or concentrated on one side of the control chip 210.

[0055] Reference Figure 1 As shown, Figure 1 This is a schematic diagram of the front structure of the electronic control board 1000. The length direction of the substrate 100 is... Figure 1 In the left-right direction shown, the width direction of the substrate 100 is... Figure 1 In the vertical direction shown, the substrate 100 includes a first side and a second side along its length. The first side is the left side of the substrate 100, and the second side is the right side of the substrate 100. The first mounting area 110 and the second mounting area 120 are located near the left side, and the third mounting area 130 and the fourth mounting area 140 are located near the right side. Along the width direction of the substrate 100, the first mounting area 110 and the second mounting area 120 are arranged sequentially from top to bottom, and the third mounting area 130 and the fourth mounting area 140 are arranged sequentially from bottom to top.

[0056] It should be noted that the first mounting area 110 and the second mounting area 120 near the left side of the substrate 100 should be understood as the first mounting area 110 and the second mounting area 120 being located on the left side of the substrate 100 in the left-right direction, and the left side of the first mounting area 110 and the second mounting area 120 may be close to or coincide with the left side of the substrate 100. Similarly, the third mounting area 130 and the fourth mounting area 140 near the right side should be understood as the third mounting area 130 and the fourth mounting area 140 being located on the right side of the substrate 100 in the left-right direction, and the right side of the third mounting area 130 and the fourth mounting area 140 may be close to or coincide with the right side of the substrate 100.

[0057] Considering that the components of different circuits vary in form and quantity, different mounting areas are divided according to the requirements of different circuits, and the area occupied by each mounting area on the substrate 100 is not the same. Specifically, in this embodiment, the first mounting area 110 is located at the upper left corner of the substrate 100, the second mounting area 120 is located at the lower left corner of the substrate 100, the third mounting area 130 is located at the lower right corner of the substrate 100, and the fourth mounting area 140 is located at the upper right corner of the substrate 100. Each mounting area is roughly rectangular, and the components of each circuit can be fully arranged in the corresponding mounting area. The area occupied by the four mounting areas is exactly equal to the area of ​​the substrate 100, making the overall circuit installation compact.

[0058] It should be noted that there are no physical boundaries between the various installation areas. The main control circuit 200, rectifier and inverter circuit 300, power input circuit 400, and functional interface circuit 500 are arranged reasonably according to the size of their respective installation areas. The areas where the main functional components of each circuit are located can be defined as their corresponding installation areas according to a certain size range. For example, in the main control circuit 200, the control chip 210 is the main functional component. The control chip 210 and the peripheral passive components form a circuit. There are certain safety distance requirements between adjacent components. Based on the arrangement of the components according to the above safety distance requirements, the area required by the main control circuit 200 can be calculated, and the size of the first installation area 110 can be set accordingly. For ease of understanding, let's take... Figure 1 The illustrated embodiment is an example. Figure 1 The position of the dashed line can be understood as the dividing line of each installation area, and the dividing line can be adjusted according to the distribution of each circuit.

[0059] It is understandable that, while meeting the requirements of strong and weak current isolation, signal interference prevention, and heat dissipation, the area of ​​the substrate 100 can be effectively utilized, making the installation of each circuit more compact and effectively reducing the area of ​​the substrate 100. This is beneficial to reducing the overall volume of the electronic control board 1000, and can also save the material of the substrate 100 and reduce the cost of the electronic control board 1000.

[0060] Reference Figure 2 As shown, the components in each circuit are arranged on the front side of the substrate 100, and the pins of each component can pass through the substrate 100. The pins of the components are soldered and fixed on the back side of the substrate 100 (not shown in the figure), making the structure more stable and reliable.

[0061] Understandably, referring to Figure 1As shown, the main control circuit 200 occupies the smallest area, while the rectifier and inverter circuit 300 occupies the largest area. In this embodiment, both the first mounting area 110 and the second mounting area 120 extend along the length direction of the substrate 100. The length of the second mounting area 120 is greater than the length of the first mounting area 110, and the width of the second mounting area 120 is greater than the width of the first mounting area 110. The sum of the widths of the first mounting area 110 and the second mounting area 120 is equal to the width of the substrate 100, so that the first mounting area 110 and the second mounting area 120 can be arranged side by side on the left side of the substrate 100, and the space on the left side of the substrate 100 can be fully utilized along the width direction.

[0062] Since the second mounting area 120 occupies a large area, in order to make full use of the space on the right side of the substrate 100, in this embodiment, the third mounting area 130 is set on the right side of the second mounting area 120, and the third mounting area 130 extends along the width direction of the substrate 100, so that the sum of the length of the second mounting area 120 and the width of the third mounting area 130 is equal to the length of the substrate 100, and the width of the second mounting area 120 is close to the length of the third mounting area 130.

[0063] It can be understood that the fourth mounting area 140 and the third mounting area 130 are arranged side by side on the right side of the substrate 100, such that the sum of the width of the fourth mounting area 140 and the length of the third mounting area 130 is equal to the width of the substrate 100. The fourth mounting area 140 extends along the length direction of the substrate 100, such that the sum of the length of the fourth mounting area 140 and the length of the first mounting area 110 is equal to the length of the substrate 100.

[0064] That is, along the left and right direction of the substrate 100, the first mounting area 110 is adjacent to the fourth mounting area 140, and the second mounting area 120 is adjacent to the third mounting area 130.

[0065] Reference Figure 1 As shown, the first installation area 110, the second installation area 120, the third installation area 130, and the fourth installation area 140 are all roughly rectangular. By reasonably setting the length and width dimensions of the four installation areas, the area formed by the close combination of the four installation areas is basically the same as the area of ​​the substrate 100. This allows the layout of each circuit to make full use of the area of ​​the substrate 100, resulting in a more compact installation, optimized layout design, and a more reasonable distribution of each module circuit. This effectively reduces the area of ​​the substrate 100, thereby reducing the overall volume of the electronic control board 1000, increasing installation flexibility and convenience, and improving the assembly efficiency of the outdoor unit of the air conditioner.

[0066] It is understandable that the mounting areas are arranged side by side in pairs along the length of the substrate 100; at the same time, the mounting areas are also arranged side by side in pairs along the width of the substrate 100. Compared with a layout structure in which the four mounting areas are arranged sequentially along the length, the length of the substrate 100 can be effectively reduced.

[0067] It should be noted that the positions of the various mounting areas are not limited to the layout shown in the above embodiments. In some embodiments, the first mounting area 110 and the second mounting area 120 can be located near the right side of the substrate 100, and the third mounting area 130 and the fourth mounting area 140 can be located near the left side of the substrate 100.

[0068] For example, the first mounting area 110 is located at the upper right corner of the substrate 100, the second mounting area 120 is located at the lower right corner of the substrate 100, the third mounting area 130 is located at the lower left corner of the substrate 100, and the fourth mounting area 140 is located at the upper left corner of the substrate 100; alternatively, the positions of the first mounting area 110 and the second mounting area 120 can be swapped, and the positions of the third mounting area 130 and the fourth mounting area 140 can be swapped.

[0069] Furthermore, the shape of the mounting area is not limited to the rectangle shown in the above embodiments, but can also be a square or other polygonal shapes. For example, the shape of the second mounting area 120 can be square, the shapes of the first mounting area 110 and the third mounting area 130 are rectangular, and the shape of the fourth mounting area 140 can be adjusted to an "L" shape. The fourth mounting area 140 is adjacent to the first mounting area 110, the second mounting area 120 and the third mounting area 130, so that each mounting area can fit together closely to form a rectangular shape.

[0070] It is understandable that the above-mentioned Figure 1 The layout of the illustrated embodiment allows for a more compact installation of the various circuits, effectively reducing the area occupied by the circuits on the substrate 100. In other words, a small-sized substrate 100 can accommodate the installation of each module circuit of the control board 1000. In some embodiments, the length L of the substrate 100 is 178 mm, and the width W of the substrate 100 is 138 mm. Compared to traditional control boards, this significantly reduces the overall size of the control board 1000, making installation more flexible and convenient. It should be noted that by optimizing the layout of the module circuits of the control board 1000, the dimensions of the substrate 100 can satisfy L≤178 mm and W≤138 mm, and the specific dimensions can be selected according to actual installation requirements.

[0071] Reference Figure 3 As shown, Figure 3The diagram shows the layout of the main functional components in each circuit. In this embodiment, the Cartesian coordinate system is used as the reference coordinate system to illustrate the installation positions of the main functional components. The layout of each circuit is optimized based on the Cartesian coordinate system to make the layout design more reasonable, resulting in an optimal layout scheme.

[0072] Specifically, refer to Figure 3 As shown, the front side of the substrate 100 can be understood as the plane containing the Cartesian coordinates. The top right corner of the substrate 100 is taken as the origin of the coordinate system. The length direction of the substrate 100 is the X-axis direction, the width direction of the substrate 100 is the Y-axis direction, and the Z-axis direction is ignored. The unit of measurement in the coordinate system is mm (millimeters).

[0073] Reference Figure 3 As shown, within the first installation area 110, a circular area formed with the first position point as the center and R1 as the radius is called the first circular area 111. The distance between the first position point and the origin along the length direction is X1, and the distance between the first position point and the origin along the width direction is Y1, satisfying: X1 = 155mm, Y1 = 15mm, R1 = 10mm. According to the Cartesian coordinate system, the coordinates of the first position point in the coordinate system are (-155, -15). That is to say, the coordinates of the center of the first circular area 111 are (-155, -15), and the radius of the first circular area 111 is 10mm.

[0074] It can be understood that the first circular region 111 is located within the first mounting area 110, and the control chip 210 of the main control circuit 200 can be installed within the first circular region 111. That is to say, the adjustable range of the control chip 210 is within the first circular region 111 formed on the substrate 100 with coordinates (-155, -15) as the center and a radius of 10mm. For example, taking the center point of the control chip 210 as a reference point, the control chip 210 can be set at the center position of the first circular region 111, that is, the center point of the control chip 210. The coordinates (-155, -15) can be coincided with the control chip 210. Alternatively, the control chip 210 can be set at the edge of the first circular area 111 or at any position between the center and the edge. For example, the coordinates of the center point of the control chip 210 can be (-160, -20), (-150, -10), etc. The specific coordinates are not further limited and can be selected according to the actual installation requirements, thereby optimizing the layout of the control chip 210. The passive components are arranged according to the position of the control chip 210, making full use of the area of ​​the first installation area 110.

[0075] It should be noted that since the origin of the Cartesian coordinate system is located at the upper right corner of the substrate 100, according to the principle of the coordinate system, the first mounting area 110, the second mounting area 120, the third mounting area 130 and the fourth mounting area 140 are all located in the negative value region of the coordinate axis. That is to say, within the corresponding mounting area, negative values ​​are used to represent the corresponding coordinates in the X and Y directions, and the distance between the coordinate point and the origin is calculated as a positive value.

[0076] Reference Figure 2 and Figure 3 As shown, the rectifier and inverter circuit 300 includes a smart power module 310 and a rectifier module 320. The smart power module 310 is used in the inverter circuit, and the rectifier module 320 is used in the rectifier circuit. The rectifier module 320 is equipped with a rectifier bridge. The second mounting area 120 includes a second circular region 121, a third circular region 122, and a third circular region 122. The adjustable range of the smart power module 310 is within the second circular region 121, and the adjustable range of the rectifier module 320 is within the third circular region 122.

[0077] Specifically, refer to Figure 3 As shown, the second circular region 121 is a circle with the second position point as the center and R2 as the radius. The distance between the second position point and the origin along the length direction is X2 = 150mm, the distance between the second position point and the origin along the width direction is Y2 = 55mm, and the radius is R2 = 10mm. The center coordinates of the second circular region 121 are (-150, -55). That is to say, the adjustable range of the intelligent power module 310 is the region with the coordinates (-150, -55) as the center and 10mm as the radius.

[0078] Reference Figure 3 As shown, the third circular region 122 is a circle with the third position point as the center and R3 as the radius. The distance between the third position point and the origin along the length direction is X3 = 150mm, the distance between the third position point and the origin along the width direction is Y3 = 100mm, and the radius is R3 = 15mm. The center coordinates of the third circular region 122 are (-150, -100). That is to say, the adjustable range of the rectifier module 320 is within the area with the coordinates (-150, -100) as the center and 15mm as the radius.

[0079] Reference Figure 2 and Figure 3As shown in the embodiment, the rectifier and inverter circuit 300 further includes an electrolytic capacitor. The intelligent power module 310 and the rectifier module 320 are located near the left side of the second mounting area 120, and the electrolytic capacitor is located near the right side of the second mounting area 120. Specifically, the electrolytic capacitor includes a first electrolytic capacitor 330 and a second electrolytic capacitor 340. The second mounting area 120 is provided with a fourth circular region 123 and a fifth circular region 124. The first electrolytic capacitor 330 is positioned within the fourth circular region 123, and the second electrolytic capacitor 340 is positioned within the fifth circular region 124.

[0080] Reference Figure 3 As shown, the fourth circular region 123 is a circle with the fourth position point as the center and R4 as the radius. The distance between the fourth position point and the origin along the length direction is X4 = 78mm, the distance between the fourth position point and the origin along the width direction is Y4 = 74mm, and the radius is R4 = 20mm. The center coordinates of the fourth circular region 123 are (-78, -74). That is to say, the adjustable range of the first electrolytic capacitor 330 is the region with the coordinates (-78, -74) as the center and 20mm as the radius.

[0081] Reference Figure 3 As shown, the fifth circular region 124 is a circle with the fifth position point as the center and R5 as the radius. The distance between the fifth position point and the origin along the length direction is X5 = 80mm, the distance between the fifth position point and the origin along the width direction is Y5 = 110mm, and the radius is R5 = 20mm. The center coordinates of the fifth circular region 124 are (-80, -110). That is to say, the adjustable range of the second electrolytic capacitor 340 is within the area with the coordinates (-80, -110) as the center and 20mm as the radius.

[0082] It is understandable that by adjusting the first electrolytic capacitor 330 and the second electrolytic capacitor 340 within the aforementioned fourth circular region 123 and fifth circular region 124 respectively, the first electrolytic capacitor 330 and the second electrolytic capacitor 340 are arranged side by side, and the two electrolytic capacitors are separated from the heat sink 360 by a certain distance, reducing the impact of the heat sink 360 on the electrolytic capacitors. This optimizes the layout of the rectifier and inverter circuit 300, makes full use of the area of ​​the second mounting area 120, and results in a more reasonable layout design.

[0083] It should be noted that both the intelligent power module 310 and the rectifier module 320 are integrated modules. Considering that the intelligent power module 310 and the rectifier module 320 generate a lot of heat during operation, in this embodiment, a heat sink 360 is added to the second mounting area 120. The heat sink 360 dissipates heat from the intelligent power module 310 and the rectifier module 320, which can effectively reduce the operating temperature of the intelligent power module 310 and the rectifier module 320 and improve the reliability of the operation of the electronic control board 1000.

[0084] Specifically, refer to Figure 4 As shown, a bracket 350 is provided at the second mounting area 120, and the heat sink 360 is mounted on the bracket 350, thereby supporting the heat sink 360 and reducing the pressure exerted by the heat sink 360 on the intelligent power module 310 and the rectifier module 320. In this embodiment, the upper surface of the heat sink 360 is covered with heat sink fins, and the bottom surface of the heat sink 360 is a heat-conducting surface. During assembly, the heat-conducting surface can contact the surfaces of the intelligent power module 310 and the rectifier module 320, thereby transferring the heat generated by the intelligent power module 310 and the rectifier module 320 to the heat sink 360, where it is dissipated through the heat sink fins.

[0085] Reference Figure 4 and Figure 5 As shown, Figure 4 The diagram shows the connection between the bracket 350 and the substrate 100, wherein the bracket 350 is disposed around the outside of the smart power module 310 and the rectifier module 320; Figure 5 The diagram shows an assembly schematic of the heat sink 360. The heat sink fins extend in a direction perpendicular to the front of the substrate 100. The heat sink 360 is separated from surrounding components by a certain safety distance to ensure heat dissipation performance. Considering that the bracket 350 occupies a certain space in the second mounting area 120, the area of ​​the second mounting area 120 will be larger than the area of ​​other mounting areas.

[0086] Reference Figure 1 and Figure 2 As shown, the power input circuit 400 is located in the third mounting area 130. After passing through the power input circuit 400, the AC power is converted into DC power through rectification. The power input circuit 400 includes a common mode inductor 410, which is located near the lower right corner of the substrate 100.

[0087] Reference Figure 1 As shown, the functional interface circuit 500 includes a film capacitor 510 and multiple sockets 520. The sockets 520 are used to connect relevant loads inside the outdoor unit of the air conditioner, such as fans, compressors, sensors, etc. Different loads are connected to different sockets 520. Different types of sockets 520 are provided in the fourth mounting area 140. In the embodiment, the multiple sockets 520 are arranged along the length of the fourth mounting area 140, and all the multiple sockets 520 are located near the edge of the substrate 100.

[0088] It is understandable that the sockets 520 connecting the control board 1000 to the external load are centrally located in the fourth mounting area 140, and the sockets 520 are arranged close to the edge of the base plate 100, such as... Figure 1As shown, the socket 520 is located at the upper right corner of the base plate 100. During assembly, the sockets 520 are concentrated on one side of the control board 1000, which makes it convenient for workers to directly plug the plugs of each load wiring into the corresponding socket 520, improving wiring efficiency, reducing labor time, and allowing wiring to be routed on the same side of the control board 1000, making wiring more reasonable, operation simpler, and effectively improving the assembly efficiency of the outdoor unit of the air conditioner.

[0089] Reference Figure 1 and Figure 3 As shown, the fourth mounting area 140 includes a sixth circular area 141. The sixth circular area 141 is a circle with the sixth position point as the center and R6 as the radius. The distance between the sixth position point and the origin along the length direction is X6 = 51mm, the distance between the sixth position point and the origin along the width direction is Y6 = 26mm, and the radius is R6 = 10mm. The center coordinates of the sixth circular area 141 are (-51, -26). That is to say, the adjustable range of the film capacitor 510 is within the area with the coordinates (-51, -26) as the center and 10mm as the radius.

[0090] It should be noted that the layout of the control board 1000 as described in the above embodiment allows for a more compact installation of each circuit, effectively utilizes the area of ​​the substrate 100, and has a more reasonable layout design. It can control the length of the substrate 100 to be less than or equal to 178mm and the width to be less than or equal to 138mm, thereby effectively reducing the overall volume of the control board 1000, increasing installation flexibility, simplifying wiring, and improving the assembly efficiency of the outdoor unit of the air conditioner.

[0091] Furthermore, the electronic control board 1000 of this embodiment does not require the use of reactors and power factor correction (PFC) inductors, reducing the process steps of assembling reactors and PFC inductors, thereby improving the assembly efficiency of the electronic control board 1000.

[0092] This invention also provides an outdoor air conditioning unit (not shown in the accompanying drawings), including the electrical control board 1000 described in the above embodiment. The electrical control board 1000 is installed inside the outdoor air conditioning unit. Specifically, the electrical control board 1000 can be installed in an electrical control box to form an electrical control box assembly. Components such as the fan and compressor inside the outdoor air conditioning unit are all connected to the electrical control board 1000. The electrical control board 1000 adopts the layout described in the above embodiment, making the installation of each module circuit more compact and the layout design more reasonable, thereby effectively reducing the overall size of the electrical control board 1000, increasing installation flexibility, simplifying wiring, and improving the assembly efficiency of the outdoor air conditioning unit.

[0093] The present invention also provides an air conditioner (not shown in the accompanying drawings), which includes the outdoor unit of the air conditioner described above. The air conditioner adopts all the technical solutions of the outdoor unit of the air conditioner described above, and therefore has at least all the beneficial effects brought about by the technical solutions of the above embodiments.

[0094] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An electronic control board, characterized in that, include: A substrate, wherein a first mounting area, a second mounting area, a third mounting area and a fourth mounting area are provided on the front side of the substrate, the substrate includes a first side and a second side along the length direction of the substrate, the first mounting area and the second mounting area are arranged sequentially near the first side and along the width direction of the substrate, and the third mounting area and the fourth mounting area are arranged sequentially near the second side and along the width direction of the substrate. The main control circuit is located in the first mounting area; The rectifier and inverter circuits are located in the second mounting area; A power input circuit is located in the third mounting area; The functional interface circuit is located in the fourth mounting area; The main control circuit, the power input circuit, and the functional interface circuit are respectively connected to the rectifier and inverter circuits; The rectifier and inverter circuit includes an intelligent power module, a rectifier module, and a first electrolytic capacitor and a second electrolytic capacitor arranged side by side. The center of the intelligent power module is located in a region with the second position point as the center and R2 as the radius. The upper right corner of the substrate is the origin. The distance between the second position point and the origin along the length direction is X2, and the distance between the second position point and the origin along the width direction is Y2, satisfying: X2=150mm, Y2=55mm, R2=10mm; The center of the rectifier module is located in a region with the third position point as the center and R3 as the radius. The distance between the third position point and the origin along the length direction is X3, and the distance between the third position point and the origin along the width direction is Y3, satisfying: X3=150mm, Y3=100mm, R3=15mm. The center of the first electrolytic capacitor is located in a region with the fourth position point as the center and R4 as the radius. The center of the second electrolytic capacitor is located in a region with the fifth position point as the center and R5 as the radius. The upper right corner of the substrate is the origin. The distance between the fourth position point and the origin along the length direction is X4. The distance between the fourth position point and the origin along the width direction is Y4. The distance between the fifth position point and the origin along the length direction is X5. The distance between the fifth position point and the origin along the width direction is Y5, satisfying: X4=78mm, Y4=74mm, X5=80mm, Y5=110mm, R4=R5=20mm; The functional interface circuit includes a thin-film capacitor. The center of the thin-film capacitor is located in a region with the sixth position point as the center and R6 as the radius. The upper right corner of the substrate is the origin. The distance between the sixth position point and the origin along the length direction is X6, and the distance between the sixth position point and the origin along the width direction is Y6, satisfying: X6=51mm, Y6=26mm, R6=10mm.

2. The electronic control board according to claim 1, characterized in that, The first side is located on the left side of the substrate, and the second side is located on the right side of the substrate. Along the left-right direction of the substrate, the first mounting area is adjacent to the fourth mounting area, and the second mounting area is adjacent to the third mounting area.

3. The electronic control board according to claim 2, characterized in that, In the left-right direction perpendicular to the substrate, the first mounting area and the second mounting area are arranged sequentially from top to bottom, and the fourth mounting area and the third mounting area are arranged sequentially from top to bottom.

4. The electronic control board according to claim 3, characterized in that, The main control circuit includes a control chip, the center of which is located in a region with a first position point as the center and R1 as the radius. The upper right corner of the substrate is the origin. The distance between the first position point and the origin along the length direction is X1, and the distance between the first position point and the origin along the width direction is Y1, satisfying: X1=155mm, Y1=15mm, R1=10mm.

5. The electronic control board according to claim 1, characterized in that, The electronic control board also includes a heat sink for dissipating heat from the intelligent power module and the rectifier module, and the second mounting area is provided with a bracket for fixing the heat sink.

6. The electronic control board according to claim 1, characterized in that, The functional interface circuit is provided with multiple sockets, which are arranged near the edge of the substrate.

7. The electronic control board according to claim 1, characterized in that, The substrate has a length of L and a width of W, satisfying the following conditions: L≤178mm, W≤138mm.

8. An outdoor unit for an air conditioner, characterized in that, Includes the electronic control board according to any one of claims 1 to 7.

9. An air conditioner, characterized in that, Includes the outdoor unit of the air conditioner as described in claim 8.

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