Electronic compressor controls, compressors and cooling equipment

Abstract

The invention relates to an electronic control (1) for a compressor (2), the electronic control (1) being arranged in an enclosure (3), wherein the electronic control (1) comprises: a main board (4) associated with at least one auxiliary board (5, 6, 7), wherein one of the auxiliary boards (5, 6, 7) is a heating board (7), wherein the heating board (7) is arranged at a first distance (D1) relative to a first wall (P1) of the enclosure, wherein the other auxiliary boards (5, 6) are arranged at at least a second distance (D2, D3) relative to the first wall (P1) of the enclosure, wherein the first distance (D1) is smaller than the second distance (D2). A compressor (2) and a cooling device are also described.

Description

Technical Field

[0001] The present invention relates to an electronic control for a compressor, and more particularly to a compact electronic control with component arrangement that achieves efficient heat dissipation. A compressor and a cooling device are also provided. Background Art

[0002] In the prior art, electronic controls are often used to control compressors used in cooling equipment. For example, in a variable capacity compressor, the electronic control is often responsible for sending commands to change the speed of the compressor motor, thereby controlling the temperature of the cooling equipment.

[0003] One of the problems found in the prior art is the lack of sufficient space to package the electronic controls and the compressor. Therefore, there has been research into sets (electronic controls and compressors) with reduced size (obviously without loss of efficiency and reliability).

[0004] In addition to the reduced space, there are also problems associated with the generation of heat from the compressor and from its electronic controls.

[0005] It is known that during operation of compressors used in cooling equipment, said compressors tend to heat up, said heat generation possibly impairing the operation of the electronic control of the compressor itself, thereby impairing the efficiency and reliability of its components (which are sensitive to temperature).

[0006] Similarly, the electronic controls of the compressor themselves tend to generate heat during their operation, which means that said energy is absorbed by temperature-sensitive components and also impairs the operation of the electronic controls.

[0007] Therefore, there is ongoing research in the art directed towards compact electronic controls with efficient thermal properties.

[0008] According to the prior art related to the present invention, it is known that electronic controls applied to compressors are generally formed of a single printed circuit board having two or more layers, wherein electronic components are arranged in the layers.

[0009] The prior art also discloses publications in which electronic controls are formed by a main board associated with an auxiliary board, as described in prior art US 2018 / 0287466, in which a circuit suitable for controlling an electric motor is described. This prior art, possibly in an attempt to make the proposed circuit compact, utilizes a "daughter" electronic board associated with the main board, wherein the association is produced by the package using a reference slot for this purpose.

[0010] Said prior art thus discloses means of improving the thermal efficiency of the set of electronic boards and electric motors, to the detriment of the operation of the electric motor associated with the electronic circuits to a great extent.

[0011] Furthermore, said prior art does not show any considerations regarding the arrangement of so-called daughter boards with respect to the main board and the arrangement of the electronic components of each of said boards.

[0012] It will be appreciated from the teachings of the present invention that the arrangement of the electronic control and its components is essential to its compression and thermal efficiency.

[0013] Prior art EP 1,617,081 also discloses a prior art which describes a compressor in which the circuit of an inverter (electronic control) is arranged inside the housing of the compressor.

[0014] Said European prior art therefore focuses on the description of adapting the compressor to carry an inverter within its housing such that the inverter is hermetically arranged within the housing of the compressor.

[0015] On the other hand, document EP 1,617,081 describes characteristics related to the arrangement of the inverter board and forms of overcoming problems related to heat dissipation, and these problems do occur when the aim is to arrange the inverter inside the compressor housing, as described in EP 1,617,081.

[0016] In addition, document US 6,704,202 discloses a power controller that is compact and inexpensive. A first board with high heat dissipation, on which an inverter circuit is mounted, and a second board on which a control circuit is mounted are placed parallel to each other and accommodated by a housing. The housing has a slit through which a heat sink and a connector can extend to the outside of the housing, and the housing also has a fixing section for fixing the housing to the compressor. This structure allows the power controller to dissipate heat in an optimal manner and reduce size, and also allows the compressor to integrate the controller therein. The capacity occupied by the controller in the refrigeration system can be significantly reduced. However, from a thermal point of view, the physical layout of the temperature-sensitive components 7 and 54 is in an unfavorable position and will be affected by heating caused by conduction and convection. In contrast, the greatest benefit of the present invention is the physical distance between the heat source and the temperature-sensitive components, thereby improving the reliability of the product.

[0017] Document US2005 / 219827 discloses a circuit device comprising a controller, a driver, an auxiliary board, and a housing. The controller inputs a drive signal to the driver. The driver has a plurality of semiconductor relays that connect and disconnect the power supply to the electrical load based on the drive signal. The driver is housed in the housing. The drive signal is sent from the controller to the driver via serial communication. With this construction, the number of communication lines and communication connectors, as well as the size of the circuit device, is smaller than with parallel communication. When adding another driver, only the software of the controller and the addition of a serial communication line between the controller and the driver are required. Therefore, the circuit device can be easily modified for different models of vehicles. However, on the contrary, the use of the auxiliary board is not the focus of the present invention. The present invention aims to protect the arrangement of these boards to provide optimal thermal management.

[0018] Furthermore, US2015 / 216089 discloses a control circuit in which a power module is mounted closer to the side wall of the housing than other circuit boards that generate less heat. This document proposes a liquid circulation cooling structure. This structure has multiple heat generating elements, which are cooled by a single cooling element (a metal heat sink). However, in contrast, the present application does not require cooling of different boards, but rather requires thermal management between the heat source and sensitive components.

[0019] The present invention aims to overcome the problems existing in the prior art by means of an electronic control whose board arrangement enables suitable compactness and efficient heat dissipation.

[0020] More specifically, the present invention provides an electronic control in which the most heat-sensitive components are arranged separately from those components that generate more heat, so that the efficiency and reliability of the electronic control will not be compromised.

[0021] Furthermore, the electronic control proposed in the present invention utilizes an auxiliary board associated with a main board, wherein the proposed form of association between the auxiliary board and the main board promotes the compactness of the electronic control, object of the present invention.

[0022] The advantages gained from the teachings of the present invention will be described in detail in this specification.

[0023] Purpose of the Invention

[0024] An object of the present invention is to provide an electronic control unit for a compressor, wherein the electronic control unit is formed by a main electronic board and at least one auxiliary electronic board.

[0025] Another object of the present invention is to provide an electronic control that is configured so that a heating element of the electronic control can be arranged separately from a temperature-sensitive element.

[0026] An additional object of the present invention is to provide an electronic control, wherein one of the electronic boards of the electronic control is a board on which most of the heating elements are concentrated, wherein the arrangement of the heating board in the electronic control can improve the dissipation of heat generated by the board.

[0027] Another object of the present invention is to provide an electronic control, wherein the heating plate is arranged at a first distance relative to a wall of an enclosure, wherein other auxiliary plates are arranged at a second distance from the same wall, wherein the first distance is smaller than the second distance.

[0028] An additional object of the present invention is to provide an electronic control, wherein the operating surface of the heating plate faces (towards) the first wall of the enclosure, and the operating surfaces of the other auxiliary plates face the second wall of the enclosure, the first wall being opposite to the second wall.

[0029] Another object of the present invention is to provide an electronic control having a main board and three auxiliary boards.

[0030] Another object of the present invention is to provide an electronic control in which the association of the auxiliary board with the main board is produced by a welding process.

[0031] Additional objects of the present invention include providing a compressor and a cooling device, the compressor including an electronic control as defined in the present invention.

[0032] Another object of the present invention is to provide a cooling device having the electronic control proposed by the present invention. Summary of the Invention

[0033] The object of the present invention is achieved by an electronic control of a compressor, which is arranged in an enclosure and includes a main board associated with at least one auxiliary board, wherein one of the auxiliary boards is a heating board, wherein the heating board is arranged at a first distance relative to a first wall of the enclosure, which first wall is associated with an upper part of the enclosure taking into account the final application position of the electronic control, and the other auxiliary boards are arranged at at least a second distance relative to the first wall of the enclosure, wherein the first distance is smaller than the second distance. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The invention will now be described in more detail based on exemplary embodiments represented in the accompanying drawings. The drawings show:

[0035] Figure 1 is a diagram illustrating the electronic control proposed in the present invention, the diagram showing a main board of the electronic control and an auxiliary board of the electronic control;

[0036] Figure 2 is a cross-sectional view of the electronic control proposed in the present invention, which is disposed in a compressor package;

[0037] Figure 3 is a cross-sectional view of the electronic control provided in the present invention and disposed inside the package;

[0038] Figure 4 is an additional cross-sectional representation of the electronic control provided in the present invention and disposed within the package;

[0039] Figure 5 It is a perspective highlighted representation of a package for encapsulating the electronic control proposed in the present invention. DETAILED DESCRIPTION

[0040] The present invention first describes an electronic control 1, which can be Figures 1 to 5 See.

[0041] In a fully effective embodiment of the present invention, the electronic control 1 can be applied to control the compressor 2 , and more specifically, the electronic control 1 can be used to control the speed of the electric motor of the compressor 2 .

[0042] In any case, it is emphasized that the application of the electronic control 1 to the control of the compressor 2 should not be considered a limiting feature of the invention, and that the electronic control 1 proposed herein may well be used for various other applications, such as general motor control and integrated control for compressors and refrigerators.

[0043] In an effective embodiment of the present invention and with reference to Figure 1 and Figure 2 The electronic control 1 is used to control a compressor 2 applied to a cooling device, which is understood to be any refrigerator and / or freezer for domestic and / or commercial use, as well as any air conditioning device for domestic, residential, portable and applied to motor vehicles.

[0044] In any case, the application of the teachings of the present invention to cooling devices should not be considered a limiting feature of the present invention.

[0045] In order to properly encapsulate and protect the electronic control 1, as Figure 2 and Figure 3 As shown, it is proposed that the electronic control 1 is arranged in a package 3 .

[0046] It should be emphasized that the illustration of the enclosure 3 in the discussed figures should not be considered as a limiting feature of the present invention, and such enclosure 3 should be understood as any element capable of providing protection for the electronic control 1, and the enclosure 3 can also be understood as any location for storing the control 1, such as a plastic box, a metal box, any type of cabinet, the very shell of a compressor, etc.

[0047] exist Figure 2 and Figure 3 In the embodiment of the invention shown, the enclosure 3 can be understood as a rectangular box having side walls P1 , P2 , P3 and P4 , wherein the electronic control 1 is arranged in an inner region of the enclosure 3 .

[0048] refer to Figures 1 to 4 The present invention proposes that the electronic control 1 is formed by an electronic board 4 (main board 4) and at least one auxiliary board 5 (auxiliary electronic board 5).

[0049] In this embodiment of the invention, it is proposed to use three auxiliary plates 5, 6 and 7, such as Figures 1 to 4 It is emphasized that the number of auxiliary plates mentioned in the present invention should not be considered as a limiting feature of the teachings presented herein, and any number of auxiliary plates can be used.

[0050] The auxiliary electronic boards 5 , 6 and 7 may be understood as a first auxiliary board 5 , a second auxiliary board 6 and a third auxiliary board 7 , respectively.

[0051] It should also be understood that each of the main board 4 and the auxiliary boards 5 , 6 and 7 includes an operating surface 4 a , 5 a , 6 a , 7 a and a track surface 4 b , 5 b , 6 b , 7 b .

[0052] Specific reference Figure 1 and Figure 3 , the operating sides 4a, 5a, 6a, 7a of the boards 4, 5, 6 and 7 in question are to be understood as the lower side of the electronic board, in which the majority of the electronic components 8 (capacitors, resistors, diodes, transistors, varistors, etc.) are located. The majority of electronic components 8 is to be understood as the lower side of the boards 4, 5, 6 and 7, which side comprises a greater number of electronic components than the opposite side of the board in question.

[0053] therefore, Figure 3 An operating face 4 a , 5 a , 6 a , 7 a of each of the electronic boards 4 , 5 , 6 and 7 is shown.

[0054] Track surface 4b, 5b, 6b, 7b should be understood as the surface opposite to the operating surface 4a, 5a, 6a, 7a, so the track surface 4b, 5b, 6b, 7b can be understood as the surface comprising the majority of the conductive tracks of the board. In any case, it should be emphasized that the track surface 4b, 5b, 6b, 7b can also contain some electronic components 8 on its surface.

[0055] Generally speaking, the operating surfaces 4a, 5a, 6a, and 7a can be understood as surfaces preferably used to accommodate electronic components 8, while the track surfaces 4b, 5b, 6b, and 7b can be understood as preferred surfaces for setting conductive tracks, and the track surfaces 4b, 5b, 6b, and 7b can also contain electronic components 8.

[0056] Furthermore, in the case of considering that a specific electronic component 8 is fastened to the main board 4 by means of a welding process, the rail surface 4 b may be understood as a surface where the welding points are visible.

[0057] Generally speaking, the track surface is understood to be the surface opposite to the surface comprising the majority of the electronic components 8 .

[0058] In this sense, Figure 3 The track surfaces 4b, 5b, 6b, 7b of each of the electronic boards 4, 5, 6, 7 constituting the electronic control 1 proposed in the present invention are illustrated.

[0059] According to the above teachings, it should be understood that Figure 1 Accordingly, visualization of the operating surfaces 4 a , 5 a and 6 a of the main electronic board 4 and the auxiliary boards 5 and 6 and visualization of the rail surface 7 b of the third auxiliary electronic board 7 is permitted.

[0060] An important feature of the electronic control 1 proposed in the present invention is the provision and arrangement of a main electronic board 4 in addition to the auxiliary boards 5, 6 and 7. More specifically, it is proposed that each of the auxiliary boards 5, 6 and 7 and the main board 4 represent a specific operating block of the electronic control, wherein each operating block will include specific and necessary electronic components for the operation of said block.

[0061] Furthermore, as described in detail above, the arrangement positions and arrangements of the auxiliary boards 5, 6 and 7 and the main board 4 (and its operating blocks) also relate to important features of the present invention.

[0062] The main electronic board 4 can be understood as a motherboard on which all the PTH (Pin Through Hole) components of the electronic control 1 are concentrated, ie those electronic components 8 whose terminals are inserted into holes (apertures) of the electronic board 4 and then fastened to the electronic board, for example by means of soldering.

[0063] In this embodiment of the invention, the electronic board 4 comprises, besides obviously the auxiliary boards 5, 6 and 7, the following electronic components 8: connectors, EMC filters, fuses, rectifier diodes, busbar capacitors, cables, jumpers.

[0064] The main board 4 can therefore be understood as a fastening block, and this block is responsible for centralizing the PTH components of the electronic control 1 , as previously described.

[0065] Similarly, the present invention proposes that the first auxiliary electronic board 5 is constructed as a power supply block, more specifically, the electronic board 5 can be understood as an SMPS board (Switch Mode Power Supply), thus being responsible for providing low voltage power to the other boards of the product.

[0066] Thus, in the configuration of the invention, the auxiliary electronic board 5 comprises the following electronic components 8: an integrated SMPS circuit, an inductor, a voltage regulator, capacitors, diodes and resistors.

[0067] As proposed, by configuring the first auxiliary board 5 according to the power block, it is entirely possible to design various auxiliary boards 5 with different efficiencies, so that for various types of applications required, an auxiliary board 5 with a desired efficiency can be used.

[0068] Therefore, if the efficiency of the electronic control 1 needs to be changed, only the auxiliary board 5 can be replaced without making any changes to the main board 4 or to any of the other auxiliary boards 6 and 7 .

[0069] Similar to the above, the second auxiliary board 6 represents the control block of the electronic control 1. More specifically, the auxiliary board 6 concentrates an optical communication coupler, a microprocessor, a microcontroller and its peripheral devices.

[0070] Therefore, if it is desired to change the microcontroller / microprocessor of the electronic control 1, only a new auxiliary board 6 can be designed, thereby not affecting the other boards of the control 1. Similarly, if repairs and / or replacements are required, only the second board 6 can be replaced, which ultimately significantly reduces the costs involved.

[0071] The third auxiliary board 7 serves as a block inverter, said board 7 including the electronic key responsible for driving the electric motor of the compressor 2 , and also including the driver and peripheral circuits of the electronic control 1 .

[0072] Therefore, in order to efficiently concentrate the components required for the operation of the electric motor of the compressor 2, the block inverter (third board 7) is understood to be the inverter that generates most of the heat in the electronic control 1. In other words, when compared with the other boards (main board 4 and auxiliary boards 5 and 6) of the electronic control 1, the third auxiliary board 7 is the auxiliary board that generates most of the heat (mainly from the operation of the electronic key) and can therefore be understood as a heat-generating board.

[0073] Therefore, the heat generating plate 7 should be understood as the plate of the electronic control 1 that generates most of the heat.

[0074] Considering the block inverter (third auxiliary board 7) as the one that generates most of the heat in the electronic control 1, the arrangement and placement of the auxiliary boards 5, 6 and 7 are considered to be important features of the electronic control 1 proposed by the present invention.

[0075] Specifically, and with an eye on the best possible thermal performance of the electronic control 1, this embodiment of the present invention proposes that the heating plate 7 be spaced apart from the other components of the control 1, especially those components that are most sensitive to temperature. In one embodiment of the present invention, the components that are most sensitive to temperature may be understood to be the busbar capacitor 80 provided on the main board 4, the capacitor 80' provided on the first auxiliary board 5, and the microprocessor 80" provided on the second auxiliary board 6, as shown in FIG. Figure 3 shown.

[0076] Figure 2 、 Figure 3 and Figure 4 An effective arrangement for setting up an electronic control 1 taking into account the teachings of the present invention is illustrated. It is emphasized that Figure 2 This illustrates the effective settings of control 1 for compressor 2, because Figure 3 and Figure 4 Only electronic control 1 is illustrated and considered Figure 2 The layout shown in .

[0077] As described above, according to Figure 2 The example diagram in FIG. 1 shows that the electronic control 1 is arranged in an enclosure 3, which should be associated with the compressor 2. In the embodiment shown in this figure, it should be noted that the electronic control 1 is arranged near the compressor 2, and the main board 4 is arranged vertically (with its operating surface 4a facing the compressor 2). In any case, any other arrangement is completely acceptable.

[0078] In order to provide the important thermal advantages of the electronic control 1 described in the present invention, it is proposed to space the board generating most of the heat in the control 1 , ie the third auxiliary board 7 , apart from the other boards of the electronic control 1 .

[0079] Therefore, reference Figure 4 The present invention proposes that the heating plate 7 be arranged at a first distance D1 relative to the first wall P1 of the enclosure. Therefore, the other auxiliary plates 5 and 6 must be arranged at a second distance D2 and a third distance D3 relative to the same wall P1, respectively.

[0080] like Figure 4 As shown, it is proposed that the first distance D1 is smaller than the second distance D2 and the third distance D3 , that is, the heating plate 7 is closer to the first wall P1 than the other auxiliary plates 5 and 6 .

[0081] Another important feature of the electronic control 1 proposed herein and taking into account the efficient heat dissipation mainly generated on the third auxiliary board 7, such as Figure 3 As shown, it is proposed that the operating surface 7a of the heating plate 7 faces the first wall P1 of the enclosure.

[0082] Therefore, "facing" means that the operating surface 7a of the heating plate 7 faces the first wall P1. Figure 3 and Figure 4 shown.

[0083] Similarly, still referring to Figure 3 and Figure 4 , the auxiliary plates 5 and 6 should preferably be arranged so that the operating faces 5a, 6a of the plates face the second wall P2 of the package, wherein the first wall P1 is opposite to the second wall P2, as shown Figure 3 shown.

[0084] More specifically, still referring to Figure 3, note that the operating surface 6 a of the second auxiliary plate faces the track surface 5 b of the first auxiliary plate, while the track surface 6 b of the second auxiliary plate faces the track surface 7 b of the heating plate 7 .

[0085] This arrangement ensures that the most heat-sensitive components (such as the busbar electrolytic capacitor 80 arranged on the main board 4, the microprocessor 80" arranged on the auxiliary board 6, and the electrolytic capacitor 80' arranged on the auxiliary board 5) will experience significantly less interference from the heat generated by the third auxiliary board 7, thereby improving the efficiency and reliability of the electronic control 1.

[0086] Further with respect to the proposed arrangement and layout for the electronic control 1, it should be noted that the operating surface 4a of the mainboard 4 faces the third wall P3 of the enclosure, which is adjacent to the first wall P1 and the second wall P2. Figure 3 and Figure 4 More specifically and also based on Figure 2 , it should be noted that the operating surface 4a of the motherboard (main board) faces the side of the compressor 2.

[0087] Since the main board 4 is the one that includes one of the most temperature-sensitive components 8 (the bus capacitor 80), the arrangement of the electronic components 8 of the motherboard in a transverse plane relative to the compressor body (as described above) hinders heat exchange with the environment via convection, which ultimately facilitates the operation of the electronic control 1.

[0088] The proposed arrangement therefore ultimately allows the heating plate 7 to be spaced apart from the most heat-sensitive components arranged on the main board 4. In other words, for the arrangement in question, the auxiliary boards 5 and 6 act as shielding, thereby protecting the most heat-sensitive components arranged on the main electronic board 4.

[0089] Furthermore, the proposed arrangement of the heating plate 7 such that the operating surface 7a of the heating plate 7 faces the first wall P1 ultimately improves the thermal efficiency of the system. In a non-limiting manner, the first wall P1 is understood to be the upper wall of the enclosure 3 storing the electronic control 1, the electronic control 1 and the enclosure 3 being installed in their final use position. This final use position is Figure 2 Example in.

[0090] In this sense and in order to further promote the characteristics related to the heat dissipation of the electronic control 1 , it is proposed that the first wall P1 of the enclosure 3 comprises a heat sink 10 , such as Figure 5 shown.

[0091] Generally speaking, the heat sink 10 can be understood as a plate made of a metal material (such as aluminum), the purpose of which is to transfer the heat generated by the third auxiliary plate 7 directly to the environment.

[0092] In one configuration, the front wall (first wall P1) of the enclosure may constitute the heat sink 10, and it will be appreciated that the front wall P1 may be made of a metallic material, thereby acting as the heat sink 10. In another entirely valid configuration, the heat sink 10 may be associated with the first wall P1, and the wall may be made of any material, such as a polymeric material.

[0093] In addition and reference Figure 4 , it is proposed that the electronic control 1 also includes a conductive adhesive 9 associated with the operating surface 7a of the heating plate 7, specifically, the conductive adhesive 9 is responsible for transferring the heat generated in the components of the auxiliary plate 7 to the heat sink 10 by conduction, thereby subsequently dissipating the heat to the environment by convection and radiation.

[0094] It should be emphasized that if Figure 4 The form and arrangement of the conductive adhesive 9 shown should not represent a limiting feature of the present invention.

[0095] In a non-limiting feature of the invention, it is proposed to produce the association between the auxiliary boards 5, 6 and 7 and the main board 4 by a soldering process. Preferably, said association is produced by a wave soldering process that subjects the electronic control 1 to sufficient mechanical stresses and vibrations.

[0096] In any case, it is emphasized that the described peaks should not be considered as limiting the invention in terms of the use of soldering processes, to the extent that other forms of association are perfectly acceptable, such as using selective soldering or soldering by robots.

[0097] Thus, what is proposed here is an electronic control 1 in which the auxiliary boards 5, 6 and 7 are arranged concurrently with respect to the main electronic board 4, i.e. it is understood that the plane defined by each of the auxiliary boards 5, 6 and 7 is coplanar with respect to the plane defined by the main board 4, as shown in FIG. Figures 1 to 4 shown.

[0098] In a non-limiting feature of the present invention and as Figures 1 to 4 As shown, the auxiliary plates 5 , 6 and 7 are arranged perpendicularly to the main plate 4 , in any case it is emphasized that other arrangements are acceptable, such as an inclined arrangement of at least one of the plates 5 , 6 and 7 with respect to the main plate 4 .

[0099] In another effective configuration, at least one of the auxiliary boards 5 , 6 and 7 may be arranged vertically with respect to the main board 4 , and the other boards of the electronic controls may be arranged obliquely with respect to the board 4 .

[0100] Furthermore, the arrangement of the auxiliary plates 5 , 6 and 7 in parallel with each other should not represent a limitation to the present invention.

[0101] Thus, what is proposed is an electronic control 1 having efficient operation and excellent thermal and electromagnetic properties, which is also compact and can be arranged in a package 3 with dimensions preferably in the range of 120mm (L)×90mm (A)×45mm (P).

[0102] Furthermore, and without limiting the teachings of the present invention, it is proposed that the main board 4 be constructed as a single-layer board, and that the daughter boards 5, 6, and 7 be constructed as double-layer boards, i.e., boards capable of arranging electronic components on both sides of the board. It should be emphasized that this feature is not a limitation of the present invention.

[0103] The present invention further provides a compressor 2 for a cooling device, wherein the compressor 2 includes the electronic control 1 as described above.

[0104] Finally, a cooling device is also proposed. The cooling device has the electronic control unit 1 proposed by the present invention.

[0105] Having described an example of a preferred embodiment, it should be understood that the scope of the present invention encompasses other possible variations, being limited only by the content of the accompanying claims, including possible equivalents.

Claims

1. An electronic control (1) for a compressor (2), the electronic control (1) being arranged in a package (3), wherein: The electronic control (1) comprises: A main board (4) associated with a plurality of auxiliary boards (5, 6, 7), wherein the electronic control (1) is characterized by: One of the plurality of auxiliary boards (5, 6, 7) is a heating board (7) that generates most of the heat compared to other boards of the electronic control (1), The heating plate (7) is arranged at a first distance (D1) relative to the first wall (P1) of the package. wherein other auxiliary plates (5, 6) are arranged at least at a second distance (D2) and a third distance (D3) relative to the first wall (P1) of the package, wherein the first distance (D1) is smaller than the second distance (D2) and the third distance (D3), Wherein, each auxiliary plate (5, 6, 7) and the main plate (4) include an operating surface (4a, 5a, 6a, 7a) and a track surface (4b, 5b, 6b, 7b), wherein the operating surface (7a) of the heating plate (7) faces the first wall (P1) of the package, and the operating surfaces (5a, 6a) of the other auxiliary plates (5, 6) face the second wall (P2) of the package, wherein the first wall (P1) is opposite to the second wall (P2), wherein the operating surface (4a) of the main plate (4) and the operating surfaces (5a, 6a) of the other auxiliary plates (5, 6) are provided with temperature-sensitive components, and wherein the other auxiliary plates (5, 6) are provided between the heating plate (7) and the temperature-sensitive components on the operating surface (4a) of the main plate (4).

2. The electronic control (1) according to claim 1, characterized in that The association between the plurality of auxiliary plates (5, 6, 7) and the main plate (4) is produced by a welding process.

3. The electronic control (1) according to claim 2, characterized in that The operating surface (4a, 5a, 6a, 7a) refers to the surface of the plurality of auxiliary boards (5, 6, 7) and the main board (4) that includes most of the electronic components (8) of the board (4, 5, 6, 7) in question.

4. The electronic control (1) according to claim 3, characterized in that The plurality of auxiliary plates (5, 6, 7) are formed of: A first auxiliary board (5) is configured as a power block, a second auxiliary board (6) is configured as a control block, and a third auxiliary board (7) is configured as a block inverter, wherein the third auxiliary board (7) is a heat generating board (7).

5. The electronic control (1) according to claim 4, characterized in that The auxiliary boards (5, 6, 7) are arranged coplanar with respect to the main board (4).

6. The electronic control (1) according to claim 5, characterized in that At least one of the plurality of auxiliary boards (5, 6, 7) is arranged vertically with respect to the main board (4).

7. The electronic control (1) according to claim 6, characterized in that The operating surface (4a) of the mainboard (4) faces the third wall (P3) of the package, and the third wall (P3) is adjacent to the first wall (P1) and the second wall (P2) of the package.

8. The electronic control (1) according to claim 7, characterized in that The operating surface (4a) of the main board (4) also faces the compressor (2).

9. The electronic control (1) according to claim 8, characterized in that The operating surface (6a) of the second auxiliary plate faces the track surface (5b) of the first auxiliary plate, and the track surface (6b) of the second auxiliary plate faces the track surface (7b) of the third auxiliary plate.

10. The electronic control (1) according to claim 9, characterized in that The operating surface (7a) of the heating plate (7) further comprises a conductive adhesive (9), wherein the conductive adhesive is associated with a heat sink (10).

11. The electronic control (1) according to claim 10, characterized in that The soldering process is a wave soldering process.

12. A compressor (2) for a cooling device, characterized in that The compressor (2) comprises an electronic control (1) according to any one of claims 1 to 11.

13. A cooling device, characterized in that: The cooling device comprises an electronic control (1) according to any one of claims 1 to 11.

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