Compressor, thermal management system, and vehicle

Abstract

The utility model discloses a kind of compressor, thermal management system and vehicle, belong to compressor technical field, the compressor includes: shell assembly, motor assembly, heater, motor assembly includes stator assembly and rotor assembly, stator assembly includes stator core and stator winding, rotor assembly includes rotor core and permanent magnet;Heater includes at least one heating pipe, heating pipe includes tube body part and heating part, the height dimension of stator core along axial direction is, the inner diameter dimension of stator core is, the number of pole of motor assembly is P, the thickness dimension of permanent magnet is H, the width dimension of permanent magnet is W, the outer diameter dimension of heating pipe is, the maximum dimension of heating part along heating pipe axial direction is, wherein satisfy.The compressor according to the utility model embodiment can realize the reasonable distribution of compressor and heater power, meet the compressor refrigeration and heater heating demand, and improve the level of lightweight and miniaturization.

Description

Technical Field

[0001] This utility model relates to the field of compressor technology, and in particular to a compressor, a thermal management system, and a vehicle. Background Technology

[0002] The automotive compressor is the "heart" of a car's refrigeration system, responsible for compressing and transporting refrigerant vapor to maintain refrigerant circulation within the system. Related automotive compressors integrate a motor assembly (for driving the compressor assembly to compress the gas) and a heater. To ensure stable operation of the motor assembly and heater after adding a heater, related technologies typically compensate for the heater's power requirements by increasing the compressor's rated power or reducing the motor assembly's power requirements. However, this increases the compressor's size, hindering its miniaturization and weight reduction. Therefore, a reasonable power allocation between the motor assembly and heater is necessary. Utility Model Content

[0003] One objective of this invention is to provide a compressor, a thermal management system, and a vehicle that can achieve a reasonable power distribution between the compressor and the heater, meet the cooling requirements of the compressor and the heating requirements of the heater, and improve the level of lightweighting and miniaturization.

[0004] A compressor according to an embodiment of the present invention, used in a vehicle, includes: a housing assembly, a motor assembly, and a heater. The motor assembly is disposed in the housing assembly and includes a stator assembly and a rotor assembly. The stator assembly includes a stator core and stator windings, and the rotor assembly includes a rotor core and a permanent magnet. The heater includes at least one heating tube disposed in the housing assembly and distributed along the axis of the motor assembly. The heating tube includes a tube body and a heating element disposed on the outer surface of the tube body. The axial height of the stator core is [missing information]. The inner diameter of the stator core is The motor assembly has P poles, the permanent magnet has H thickness, W width, and the heating tube has an outer diameter of [missing information]. The maximum dimension of the heating element along the axial direction of the heating tube is Among them, satisfying .

[0005] According to the compressor of the present invention, the power of the compressor and the heater can be reasonably allocated to meet the cooling requirements of the compressor and the heating requirements of the heater, and improve the level of lightweighting and miniaturization.

[0006] In addition, the compressor according to the above embodiments of the present invention may also have the following additional technical features: In some embodiments, .

[0007] In some embodiments, the heating element includes a first heating element and a second heating element, which are arranged side by side, and the distance between the axis of the first heating element and the axis of the second heating element is [missing information]. The outer diameter of the stator core is The angle between the axis of the heating tube and the axis of the motor assembly is β, wherein, , .

[0008] In some embodiments, , .

[0009] In some embodiments, the outer diameter of the stator core is... ,in, .

[0010] In some embodiments, .

[0011] In some embodiments, 2≤ / ≤9.

[0012] In some embodiments, the heating element includes a first heating element and a second heating element, and the heater further includes a connector, wherein the first heating element and the second heating element are arranged side by side, the connector connects the first heating element and the second heating element, and the first heating element and the second heating element are located on the same side of the connector.

[0013] In some embodiments, 25mm≤ ≤45mm; or, 125mm≤ ≤135mm; or, 60mm≤ ≤67mm; or, 22mm≤ ≤26mm.

[0014] In some embodiments, 6 ≤ P ≤ 10; or, 1.8 mm ≤ H ≤ 3 mm; or, 9 mm ≤ W ≤ 13 mm.

[0015] According to an embodiment of the present invention, the thermal management system includes the aforementioned compressor.

[0016] According to an embodiment of the present invention, the vehicle includes the aforementioned thermal management system. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a compressor according to one embodiment of the present invention.

[0018] Figure 2 This is a simplified diagram of a compressor according to one embodiment of the present invention.

[0019] Figure 3 This is a schematic diagram of a heater according to one embodiment of the present invention.

[0020] Figure 4 This is a schematic diagram of a heater according to another embodiment of the present invention.

[0021] Figure 5 This is a schematic diagram of a stator assembly according to an embodiment of the present invention.

[0022] Figure 6 This is a schematic diagram of a rotor assembly according to an embodiment of the present invention.

[0023] Figure 7 This is a schematic diagram showing the comparison between the compressor power rating and the heater power rating and the ratio X according to one embodiment of the present invention.

[0024] Figure 8 This is an embodiment of the torque rating and ratio of this utility model. / A comparative diagram.

[0025] Figure 9 In a compressor according to one embodiment of this utility model / A schematic diagram comparing heat loss and flow resistance.

[0026] Figure 10 In a compressor according to one embodiment of this utility model A diagram showing the comparison between cost and heater power rating.

[0027] Figure 11 In a compressor according to one embodiment of this utility model A diagram showing the comparison between cost and heater power rating.

[0028] Figure label: Compressor 10, housing assembly 11, first housing 111, second housing 112, third housing 113, motor assembly 12, motor assembly shaft L12, stator assembly 121, stator core 1211, stator winding 1212, rotor assembly 122, rotor core 1221, permanent magnet 1222, heater 13, heater shaft L13, first heating tube 131, first tube body 1311, first heating element 1312, second heating tube 132, second tube body 1321, second heating element 1322, connector 133, compression assembly 14. Detailed Implementation

[0029] The embodiments of this utility model 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 intended to explain this utility model, and should not be construed as limiting this utility model.

[0030] like Figure 1 and Figure 2 The compressor 10 according to an embodiment of the present invention includes: a housing assembly 11, a motor assembly 12, and a heater 13. The motor assembly 12 may be disposed in the housing assembly 11, and at least a portion of the heater 13 is disposed within the housing assembly 11. The heater 13 and the motor assembly 12 are distributed along the axis L12 of the motor assembly. The housing assembly 11 provides support and installation space for the motor assembly 12 and the heater 13. The compressor 10 may further include a compression assembly 14, and the motor assembly 12 may be connected to the compression assembly 14 to drive the compression assembly 14 to operate. For example, the housing assembly 11 may have a first chamber and a second chamber. The compression assembly 14 can drive refrigerant (which may include Freon, tetrafluoroethane, or tetrafluoropropylene, etc.) to flow from the first chamber to the second chamber. The refrigerant is output from the second chamber, undergoes heat exchange through a heat exchanger or other structure, and then flows back to the first chamber, forming a refrigerant cycle. The heater 13 is integrated into the compressor 10. The heater 13 can be used to heat the heat exchange medium (which may include water or other fluid media). It can also be connected to the heat exchanger through external pipelines to achieve the circulation of the heat exchange medium.

[0031] like Figure 2 , Figure 5 and Figure 6As shown, the motor assembly 12 is disposed on the housing assembly 11, and the motor assembly 12 includes a stator assembly 121 and a rotor assembly 122. The stator assembly 121 can be stationary relative to the housing assembly 11, and the rotor assembly 122 is rotatably engaged with the stator assembly 121. The stator assembly 121 can drive the rotor assembly 122 to rotate by electromagnetic drive. The rotor assembly 122 can be connected to the compression assembly 14 of the compressor 10 to drive the compression assembly 14. In addition, the stator assembly 121 includes a stator core 1211 and a stator winding 1212, and the rotor assembly 122 includes a rotor core 1221 and a permanent magnet 1222. The stator core 1211 may be provided with winding slots, and the stator windings may be provided in the winding slots. The rotor core 1221 may include magnet slots, and the permanent magnet 1222 (e.g., a magnet) may be provided in the magnet slots. Of course, the motor assembly 12 in this invention can also be in other forms, for example, the permanent magnet 1222 may be attached to the outer surface of the rotor core 1221. The motor assembly 12 in this invention can be provided inside the housing assembly 11. For example, the motor assembly 12 can be provided in the first cavity of the aforementioned housing assembly 11. The stator assembly 121 may be interference-fitted with the inner surface of the housing assembly 11 to achieve stable installation of the motor assembly 12. The rotor assembly 122 is rotatably provided inside the stator assembly 121, or the stator assembly 121 may be arranged around the rotor assembly 122.

[0032] like Figures 1 to 3 The heater 13 has an inlet and an outlet, which can be located on the same side of the heater 13. The heater 13 includes at least one heating tube with an internal flow channel (such as a first heating tube 131 and / or a second heating tube 132 described below). The flow channel is located between the inlet and outlet. The heating tube is used to heat the heat exchange medium flowing through the flow channel. The cross-section of the heating tube perpendicular to the flow channel axis is configured as a closed section surrounding the flow channel. By providing the heater 13 at the housing assembly 11, the compressor 10 can meet both the heating requirements of the heater 13 and the user's heat exchange requirements through the high-pressure refrigerant discharged from the second chamber, thus enabling the compressor 10 to perform multiple functions. This also improves the environmental adaptability of the compressor 10, resulting in a simple, efficient, compact, space-saving, and low-cost compressor 10. Furthermore, the closed section of the heating tube in the heater 13 surrounding the flow channel improves the sealing performance of the heater 13, making the compressor 10 safer to operate. Additionally, as... Figure 2 Alternatively, at least a portion of the heater 13 can be disposed within the housing assembly 11. For example, the housing assembly 11 may also include a third cavity, with the first, second, and third cavities distributed along the axis L12 of the motor assembly, and at least a portion of the heater 13 can be disposed within the third cavity. The heater 13 may include a first heating tube 131 and a second heating tube 132 with identical structures, and connected by a connector 133 to form a U-shape.

[0033] Optionally, such as Figure 1 and Figure 2 The housing assembly 11 may include a first housing 111, a second housing 112, and a third housing 113, which may be arranged to be distributed along the axis L12 of the motor assembly (see attached figure). Figure 1 and Figure 2 (In the left-right direction), the first housing 111 is disposed between the second housing 112 and the third housing 113. The first cavity may be located between the first housing 111 and the second housing 112, and the third cavity may be at least partially located between the first housing 111 and the third housing 113 (the third cavity may also be at least partially disposed within the third housing 113). In addition, one end of the third cavity in the vertical direction (refer to the attached diagram) Figure 1 and Figure 2 An installation port may be provided at the upper end of the housing, and at least a portion of the heater 13 may be inserted into the third cavity through the installation port. The motor assembly 12 may be located within the first housing 111, and the compression assembly 14 may be located within the second housing 112 or between the first housing 111 and the second housing 112.

[0034] Additionally, the compressor 10 includes a controller connected to the heater 13 and the motor assembly 12, which can supply power to both. The controller can be positioned between the first housing 111 and the third housing 113. Figure 2 The third housing 113 and one side of the first housing 111 define a third cavity. The heater 13 and the controller are placed inside the third cavity. The third cavity is provided with a water interface and an electrical interface to the outside. The motor assembly 12 and the compression assembly 14 are provided in the area between the other side of the first housing 111 and the second housing 112. The controller can control the heater 13 and the motor assembly 12.

[0035] like Figure 3 and Figure 4 As shown, the heater 13 and the motor assembly 12 are distributed along the axis L12 of the motor assembly. The heater 13 includes at least one heating tube (e.g., the first heating tube 131 and / or the second heating tube 132 described below), and the heater 13 is disposed on the housing assembly 11. This avoids the heater 13 occupying the radial space of the compressor 10, improving the space utilization of the compressor 10. The heating tube includes a tube body and a heating part. The heating part can be disposed on the outer surface of the tube body, and the heating part can heat the flow channel inside the tube body by heating. For example, the heater 13 may include a first heating tube 131 and a second heating tube 132, and the first heating tube 131 and the second heating tube 132 are disposed on the housing assembly 11. The first heating tube 131 includes a first tube body 1311 and a first heating part 1312, and the second heating tube 132 includes a second tube body 1321 and a second heating part 1322.

[0036] The tube body can be circular, square, or other shaped tubes. A flow channel with a closed cross-section (perpendicular to the axis of the tube body) is formed within the tube body. The heating element can be arranged around the outer surface of the tube body; for example, the heating element can be layered on the outer surface of the tube body. The heating element can be a thick-film heating structure, etc. Thick-film heating technology is a highly efficient, fast, and compact heating method. Its core principle is to print different functional electronic pastes layer by layer onto the substrate material (tube body) through processes such as screen printing, and then sinter at high temperatures (usually 800℃-900℃) to finally form an integrated heating element. It can include an insulating dielectric layer, a resistive heating layer, and a protective encapsulation layer.

[0037] The outer diameter of the heating tube can be the diameter of the outer surface of the tube body. The heating element can be disposed on the outer surface of the tube body, and the thickness of the heating element is usually small. Therefore, the diameter of the outer surface of the heating element can be approximated as the outer diameter of the heating tube. The heating tube in this invention can be a circular tube or a non-circular tube. When the heating tube is a circular tube, the outer diameter of the circular tube is the outer diameter of the heating tube; when the heating tube is a non-circular tube, the diameter of a circular tube with the same cross-sectional area as the non-circular tube is used as the outer diameter of the heating tube. For example, if the heating tube is an elliptical tube, and the area enclosed by the outer edge of the cross-section obtained in the plane perpendicular to the axis of the elliptical tube is elliptical, this ellipse can be equivalent to an equivalent circle with the same area. Then, the diameter of this equivalent circle is used as the outer diameter of the elliptical tube. For example, the heating element can also be other regular or irregular shapes. The area enclosed by the outer edge of the heating element's cross-section can be considered equivalent to a circle with the same area, and the diameter of this circle can be taken as the outer diameter of the heating element. In other words, when the area enclosed by the outer edge of the heating element's cross-section is S11, the outer diameter of the heating element is... The cross-section of the heating element is perpendicular to its axis.

[0038] The maximum dimension of the heating element along the axial direction of the heating tube can be the maximum value among the dimensions of the heating element at different positions along the axial direction of the heating tube. For example, the maximum value can be taken as the maximum dimension of the heating element along the axial direction of the heating tube by measuring the length of the heating element at different positions using a ruler. The heating element can be a thick-film heating structure. When the heating element is a thick-film heating structure, the maximum dimension of the heating element along the axial direction of the heating tube can be the maximum dimension of the thick-film heating structure along the axial direction of the heating tube. For example, the heating element may include an insulating dielectric layer, a resistance heating layer, an electrode layer, and a protective glaze layer sequentially formed on the surface of the heating tube using screen printing technology. Typically, the insulating dielectric layer and the protective glaze layer in the thick-film heating structure have the same length along the axial direction of the heating tube and are longer than the resistance heating layer and the electrode layer. Therefore, the maximum dimension of the insulating dielectric layer and the protective glaze layer along the axial direction of the heating tube can be taken as the maximum dimension of the heating element along the axial direction of the heating tube. When the lengths of the insulating dielectric layer and the protective glaze layer are different, the longer one of the insulating dielectric layer and the protective glaze layer is taken as the maximum dimension of the heating element along the axial direction of the heating tube. Of course, the heating element can also be stacked on the outer surface of the tube body, or in other forms. The maximum dimension of the heating element along the axial direction of the heating tube can be determined using corresponding measurement methods. Additionally, the heater 13 may include a mounting plate and a connector. The connector is used to connect multiple heating tubes. For example, the heating tubes may include a first heating tube 131 and a second heating tube 132. The connector connects the first heating tube 131 and the second heating tube 132, forming a U-shaped structure. At least a portion of the heater 13 can be installed inside the housing assembly 11. The mounting plate covers the housing assembly 11 to stably position the heating tubes within the housing assembly 11. The maximum length of the heating element along the axial direction of the heating tube is generally not greater than the distance between the mounting plate and the connector.

[0039] Among them, such as Figures 1 to 5 The axial height dimension of stator core 1211 is Or, in other words, the maximum dimension of the stator core 1211 along the axial direction of the motor assembly 12 is The inner diameter of stator core 1211 is... The stator core 1211 can be a hollow structure, and its inner diameter can be the diameter of its largest inner circle. The stator core 1211 can include multiple teeth distributed circumferentially, and winding slots can be formed between adjacent teeth. Half of it can be the minimum distance from the axis of the stator core 1211 to the tooth.

[0040] The number of poles in motor assembly 12 is P. The number of poles refers to the number of magnetic poles on the motor rotor, which is a core parameter that determines the motor speed and operational stability. The number of magnetic poles determines the synchronous speed of the motor.

[0041] like Figure 6 As shown, the thickness of the permanent magnet 1222 is H, and the width of the permanent magnet 1222 is W. (As shown...) Figure 6 As shown, when the cross-section of the permanent magnet 1222 is rectangular, the shorter side of the rectangle is the thickness H of the permanent magnet 1222, and the longer side is the width W of the permanent magnet 1222. Alternatively, the permanent magnet 1222 in this invention can also be other shapes. For example, if the permanent magnet 1222 is an arc-shaped plate, then the width W of the permanent magnet 1222 can be the arc length of the arc structure, and the thickness H of the permanent magnet 1222 can be the distance between the inner and outer sides of the arc structure. The cross-section of the permanent magnet 1222 is perpendicular to the axis L12 of the motor assembly.

[0042] like Figure 3 and Figure 4 The outer diameter of the heating tube is This includes, but is not limited to, the outer diameter of the first heating tube 131 being... ; and / or, the outer diameter of the second heating tube 132 is The method for measuring the outer diameter of the heating element can be referred to the above.

[0043] like Figure 3 The maximum dimension of the heating element along the axial direction of the heating tube is This includes, but is not limited to: the maximum dimension of the first heating element 1312 in the first heating tube 131 along the axial direction of the first heating tube 131 is... ; and / or, the maximum dimension of the second heating element 1322 in the second heating tube 132 along the axial direction of the second heating tube 132 is The method for measuring the maximum dimension of the heating element along the axial direction of the heating tube can be referred to the above.

[0044] in, . Corresponding to the volume of a single permanent magnet, The total amount of permanent magnets used in the corresponding motor assembly 12, This can reflect the capability of motor assembly 12. It can reflect the volume within the first heating element 1312 or the second heating element 1322.

[0045] like Figure 7This diagram illustrates the correspondence between different values ​​of the ratio X and the compressor power rating (i.e., the power rating of the motor assembly) and the heater power rating. The compressor power rating (dimensionless) is a design specification based on customer needs and actual product performance, used to measure the power output capability of the motor assembly 12; a higher value indicates greater output power and better performance. Similarly, the heater power rating measures the heater's power output capability; a higher value indicates greater output power and better performance. There is a correlation between the heater power rating (dimensionless) and heating power; a higher heater power rating corresponds to higher heating power than a lower heater power rating. For compressors of different power ratings, the heating power of the motor assembly varies.

[0046] like Figure 7 As shown, the compressor power rating gradually increases with the increase of the ratio X, while the heater power rating gradually decreases with the increase of the ratio X. For comparison, see Appendix... Figure 7 The diagram shows the power requirements for stable operation of heater 13 and motor assembly 12. A comparison shows that when the ratio X < 1, the heater power level meets the heater power requirement, while the compressor power level does not meet the compressor power requirement (i.e., the power requirement of the motor assembly); when the ratio X > 5, the compressor power level meets the compressor power requirement, while the heater power level does not meet the heater power requirement. When the requirements are met... At this time, both the compressor power level and the heater power level can meet the requirements. The power matching between the motor assembly 12 and the heater 13 is in an optimal range, simultaneously meeting the needs of both the motor assembly 12 and the heater 13. This means the overall performance of the heater 13 integrating the motor assembly 12 is superior. The ratio X can be set to 1, 1.5, 1.8, 2.0, 2.2, 2.5, 2.7, 3.0, 3.5, 3.8, 4.1, 4.5, 4.8, and 5, etc. For example, when... =30mm, =62mm, P=8, H=2.0mm, W=11.1mm, =23.8mm, When =130mm, It satisfies the range of greater than 1 and less than 5.

[0047] According to the embodiment of the present invention, the compressor 10 can achieve a reasonable power distribution between the compressor 10 and the heater 13, meet the cooling requirements of the compressor 10 and the heating requirements of the heater 13, and improve the level of lightweighting and miniaturization.

[0048] like Figure 7 As shown, in some embodiments, .from Figure 7As can be seen, when the ratio X is in the range of 2.5 to 3, both the compressor power level and the heater power level are at a relatively high level, which facilitates the power distribution between the heater 13 and the motor assembly 12, allowing both the motor assembly 12 and the heater 13 to operate at a higher power, thereby improving the performance of the compressor 10. The ratio X can be set to 1.8, 2.0, 2.2, 2.5, 2.6, 2.7, 2.8, 2.9, or 3.0, etc.

[0049] Some embodiments of this utility model take a 12-slot 8-pole motor as an example, that is, the number of winding slots of the stator core 1211 is 12, and the number of poles P is equal to 8, such as... Figure 5 This is a cross-sectional schematic diagram of stator assembly 121. Figure 6 This is a cross-sectional schematic diagram of the rotor assembly 122, which is not intended to limit the scope of protection of this utility model.

[0050] In compressor 10, motor assembly 12 and heater 13 can work independently. Under the condition that the bus voltage and bus current are constant, the maximum power of compressor 10 is constant. That is, the sum of the power of motor assembly 12 and heater 13 is limited. If the power of motor assembly 12 is too high, the output power of heater 13 will be limited. Conversely, if the power of heater 13 is too high, the power of motor assembly 12 will also be limited.

[0051] Therefore, the power of the motor assembly 12 and the heater 13 should be reasonably allocated so that the cooling effect of the motor assembly 12 and the heating effect of the heater 13 are both within a reasonable range and meet the requirements. The power of the motor assembly 12 and the heater 13 should be maximized within the boundary, that is, the power level of the heater 13 and the motor assembly 12 integrated in the dual-on mode (the motor assembly 12 and the heater 13 work at the same time) is the highest.

[0052] The power of the motor assembly 12 is mainly determined by the stator assembly 121 and the rotor assembly 122. For a permanent magnet synchronous motor, the larger the volume of the motor assembly 12 and the more permanent magnets 1222 are used, the stronger the motor assembly 12 is and the greater the output power. Similarly, when the heater 13 is working, under the same conditions, the larger the volume of the heater 13, the larger the heating layer on the surface of the heater 13, and the greater the heating power that can be achieved.

[0053] like Figure 5 In some embodiments, the outer diameter of the stator core 1211 is [missing information]. The outer diameter of the stator core 1211 can be the diameter of the maximum outer circle of the stator core 1211. Half of this can be the maximum distance from the axis of the stator core 1211 to the outer edge of the stator core 1211. When fixed, When the area is increased, under the same conditions, according to motor design theory, the cross-sectional area of ​​the air gap through which the rotor magnetic field passes increases, that is, the magnetic flux of motor assembly 12 increases, and the torque of motor assembly 12 increases accordingly. However, If the area is too large, it will reduce the stator slot area, decrease the stator slot fill factor, and reduce the torque of the motor assembly 12. There is a reasonable range that ensures the torque capacity of the motor assembly 12 meets the requirements. The power of the motor assembly 12 is proportional to the product of torque and speed. Under the premise of constant speed, increasing the torque can further increase the power of the motor assembly 12, thus increasing the power of the motor assembly 12.

[0054] in, .like Figure 8 This is a torque level variation curve for the motor assembly, showing the torque requirement of motor assembly 12 and... Torque levels with different values: a larger value on the vertical axis indicates a stronger torque output capability. It can be seen that as the ratio... As the value increases, the torque rating first increases and then decreases, at the ratio Smaller, for example At that time, the torque rating of the motor assembly is relatively small, less than the torque requirement of motor assembly 12; in the ratio Larger, for example At that time, the torque rating of the motor assembly is relatively low, less than the torque requirement of motor assembly 12. While meeting... At this time, the torque rating is at a relatively high level, meeting the torque requirements. The torque rating (dimensionless) is a design specification formulated based on customer needs and the actual performance of the product. It is used to measure the motor's torque output capability; the higher the value, the greater the output torque and the better the performance.

[0055] Therefore, in this utility model The torque rating of the motor assembly is greater than the torque requirement, which can maintain the stable operation of the motor assembly 12 and improve the operational stability of the motor assembly 12. For example, the ratio can be... The values ​​are set to 0.45, 0.5, 0.51, 0.53, 0.55, 0.6, 0.62, 0.65, 0.68, 0.7, 0.71, 0.73, 0.74, and 0.75, etc.

[0056] In some embodiments, .from Figure 8 It can be seen from this that when the ratio Within the range of 0.55 to 0.65, the torque level of the motor assembly is at a higher level, allowing the motor assembly 12 to operate at higher power, which can improve the performance of the compressor 10. For example, =62mm, =101mm, .

[0057] like Figure 3 and Figure 9 In some embodiments, 2≤ / ≤9. / If the size is too large, it will result in a long and thin heating element with excessive flow resistance. / If the size is too small, the heating element will be short and thick, resulting in poor heat exchange and excessive heat loss. This invention, however, ensures that 2≤ / ≤9, capable of / The flow resistance and heat loss in the heating tube are controlled within a suitable range to reduce the heating effect of heater 13. For example, / The values ​​are 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.6, 6, 6.5, 7, 7.5, 8, 8.5, 8.8, or 9, etc. Furthermore, in... / Within the range of 4 to 6, heat loss can be reduced more effectively and excessive flow resistance can be avoided.

[0058] The heater 13 in this invention may include one or more heating tubes. When the heater 13 includes multiple heating tubes, the multiple heating tubes may be arranged side by side, and the outer diameter, length, length of the heating part on the tube, and position of the heating part on the tube may be set to be the same. In addition, when the outer diameter and length of the heating part on the tube are not the same, the outer diameter and length of at least one of the multiple heating tubes may be set to meet the above range.

[0059] Among them, such as Figure 3 and Figure 4The heater 13 includes a first heating tube 131 and a second heating tube 132. Both the first heating tube 131 and the second heating tube 132 are configured to heat the heat exchange medium flowing through their inner channels, which can further extend the heating time and heating path of the heat exchange medium, resulting in higher heating efficiency. It can also be configured to allow independent adjustment of the heating power of the first heating tube 131 and the second heating tube 132 to control the heating temperature of the heat exchange medium at different parts of the heater 13, making the heating effect of the heat exchange medium more controllable. The first heating tube 131 and the second heating tube 132 are connected in series, so that the first flow channel and the second flow channel form a sequentially connected flow channel. The heat exchange medium is heated by passing through the first flow channel and the second flow channel sequentially, which can superimpose the heating effect of the first heating tube 131 and the second heating tube 132 on the heat exchange medium, improving the heating efficiency of the heater 13. The heater 13 also includes a connector 133, which connects the first flow channel and the second flow channel. The first heating tube 131, connector 133, and second heating tube 132 can form sequentially connected flow channels. The first heating tube 131 and second heating tube 132 can be connected to the same side of connector 133, and the first heating tube 131 and second heating tube 132 are distributed side by side. This allows the heat exchange medium to flow rapidly between the first and second flow channels, enabling the heater 13 to heat more heat exchange medium in a short time, thus improving the heating efficiency of the heater 13. Connector 133, first heating tube 131, and second heating tube 132 are connected in a U-shape, that is, the first heating tube 131 and second heating tube 132 are located on the same side of connector 133 and both extend away from connector 133. The U-shaped pipe can achieve stable reversal of the internal heat exchange medium, allowing the heat exchange medium to flow more smoothly between the first heating tube 131, connector 133, and second heating tube 132, which helps reduce the risk of blockage of the heat exchange medium in the heater 13 and improves the reliability of the heater 13 in heating the heat exchange medium.

[0060] like Figure 3 and Figure 4 In some embodiments, the heating element includes a first heating element 131 and a second heating element 132, which are arranged side by side. The distance between the axis of the first heating element 131 and the axis of the second heating element 132 is [missing information]. Or, in other words, the maximum distance between the axis of the first heating tube 131 and the axis of the second heating tube 132 is The distance between the first heating tube 131 and the second heating tube 132 is [missing information]. The average of the outer diameter of the first heating tube 131 and the outer diameter of the second heating tube 132 is D1, such as Figure 3 The outer diameter of the first heating tube 131 is equal to the outer diameter of the second heating tube 132. It can be the sum of the maximum tube spacing L3 of the first heating tube 131 and the second heating tube 132, the radius of the first heating tube 131, and the radius of the second heating tube 132. = + .

[0061] like Figure 3 The average of the maximum dimension of the first heating element 1312 along the axial direction of the first heating tube 131 and the maximum dimension of the second heating element 1322 along the axial direction of the second heating tube 132 is [value missing]. ,like Figure 3 The maximum dimension of the first heating element 1312 along the axial direction of the first heating tube 131 is equal to the maximum dimension of the second heating element 1322 along the axial direction of the second heating tube 132. The outer diameter of stator core 1211 is The angle between the axis of the heating element and the axis of the motor assembly 12 is β. This angle refers to the spatial angle between the axis of the heating element (first heating element 131 and / or second heating element 132) and the axis of the motor assembly 12. For example, the angle between the axis of the heating element and the axis of the motor assembly 12 can be the angle between the axis of the motor assembly 12 and the plane formed by the axes of the first heating element 131 and the second heating element 132. The axis of the motor assembly 12 can be configured to extend in a left-right direction.

[0062] in, , . The total width of the first heating tube 131 and the second heating tube 132 is the distance between the side of the first heating tube 131 away from the second heating tube 132 and the side of the second heating tube 132 away from the first heating tube 131. This can be the maximum dimension of the first heating element 1312 of the first heating tube 131 projected along the axis of the motor assembly 12 in the vertical direction, or the maximum dimension of the second heating element 1322 of the second heating tube 132 projected along the axis of the motor assembly 12 in the vertical direction. It can be set to 0.2, 0.25, 0.3, 0.4, 0.5, 0.6 or 0.7, etc. It can be set to 1, 1.1, 1.15, 1.2, 1.25, 1.5, 1.6 or 1.7, etc.

[0063] Optionally, such as Figure 3 and Figure 4As shown, the first heating tube 131 and the second heating tube 132 can be arranged side by side along the front-back direction. The upper end of the first heating part 1312 of the first heating tube 131 and the upper end of the second heating part 1322 of the second heating tube 132 are flush with each other in the front-back direction. The lower end of the first heating part 1312 of the first heating tube 131 and the lower end of the second heating part 1322 of the second heating tube 132 are flush with each other in the front-back direction. The upper end of the first heating tube 131 and the upper end of the second heating tube 132 are flush with each other in the front-back direction. The lower end of the first heating tube 131 and the lower end of the second heating tube 132 are flush with each other in the front-back direction.

[0064] The space occupied by the first heating element 131 and the second heating element 132 is roughly rectangular in projection along the axis of the motor assembly 12, and the projection of the motor assembly 12 along its axis L12 is roughly circular. , In the projection of the axis of the motor assembly 12, the space occupied by the first heating tube 131 and the second heating tube 132 has a large overlap with the space occupied by the motor assembly 12, which can improve the space utilization of the compressor 10 and ensure that the heater 13 has a large heating efficiency.

[0065] like Figure 10 and Figure 11 When satisfied , At this time, the power requirements of the heater can be met, and the overall volume of the compressor 10 is small, achieving the goal of lightweight design, and the cost of the heater 13 is low. When the stator outer diameter At a certain time, and The smaller the size, the lower the power of heater 13. and The larger the heater, the higher its power, but the larger its size, which is not conducive to miniaturization and increases costs. , This allows the heater 13 to achieve the required heating power while maintaining a small size, thus achieving weight reduction and miniaturization, while keeping the cost within a reasonable range. For example, =33mm, =23.8mm, =101mm, β=93.5°, When =137mm, It meets the range of greater than 0.2 and less than 0.7. The value must be greater than 1 and less than 1.7. Cost is a development indicator determined based on the actual product specifications, expressed dimensionlessly. A higher value indicates a higher product cost and a lower cost-performance ratio.

[0066] Furthermore, , This can further improve the space utilization of the compressor 10. At the same time, it can avoid the first heating tube 131 and / or the second heating tube 132 being too thick or too thin, thus reducing the flow resistance of the heater 13.

[0067] In some embodiments, 25mm≤ ≤45mm, for example, It can be set to 25mm, 26.5mm, 30mm, 32mm, 35mm, 38mm, 41mm, or 45mm, etc. Additionally, 125mm ≤ ≤135mm, for example, It can be set to 125mm, 126.5mm, 130mm, 132mm, or 135mm, etc. Optionally, 60mm ≤ ≤67mm, for example, It can be set to 60mm, 61mm, 62.5mm, 63mm, 64mm, 65mm, 66mm, or 47mm, etc. Optionally, 22mm ≤ ≤26mm, for example, The size can be set to 22mm, 23mm, 24mm, 25mm, 25.5mm, or 26mm, etc. By limiting the size of the heater 13 within an appropriate range, the problem of the heater 13 being too large and occupying too much space is avoided, thus improving the space utilization of the compressor 10. It also avoids the problem of the heater 13 being too small and unable to meet the required heating power. Therefore, by limiting the size of the heater 13, the space utilization of the compressor 10 can be improved while ensuring the heater power requirements.

[0068] In some embodiments, 6 ≤ P ≤ 10, for example, P can be set to 6, 8, or 10. Optionally, 1.8 mm ≤ H ≤ 3 mm, for example, H can be set to 125 mm, 126.5 mm, 130 mm, 132 mm, or 135 mm. Optionally, 9 mm ≤ W ≤ 13 mm, for example, W can be set to 9 mm, 9.5 mm, 10 mm, 11 mm, 12 mm, 12.5 mm, or 13 mm. Setting the dimensions and other parameters of the motor assembly 12 within a suitable range to match the dimensions of the heater 13 facilitates power distribution between the heater 13 and the motor assembly 12, thereby improving the stability and service life of the motor assembly 12 and the heater 13, and enhancing the performance of the compressor 10.

[0069] According to an embodiment of the present invention, the thermal management system includes the aforementioned compressor 10. Optionally, the thermal management system may include the aforementioned compressor 10, evaporator (not shown in the figure), and condenser (not shown in the figure). The compressor 10, evaporator, and condenser are connected to form a refrigerant circuit. The refrigerant circuit is used to cool the refrigerant flowing through the evaporator and to heat the refrigerant flowing through the condenser using the refrigerant phase change. The refrigerant cooled or heated through the refrigerant circuit can flow to the vehicle's cabin, battery module, etc., for heat exchange to meet the user's heat exchange needs.

[0070] By incorporating a heater 13 into the housing assembly 11 of the compressor 10, the compressor 10 can meet both heating requirements through the heater 13 and user heat exchange requirements through the refrigerant circuit formed by the compressor 10, evaporator, and condenser, thus enabling the compressor 10 to perform multiple functions. Furthermore, this improves the environmental adaptability of the compressor 10, resulting in a simple, efficient, compact, space-saving, and low-cost compressor 10. Additionally, it allows for a rational power distribution between the compressor 10 and the heater 13, meeting the cooling requirements of the compressor 10 and the heating requirements of the heater 13, while also enhancing lightweight and miniaturization capabilities.

[0071] According to an embodiment of the present invention, the vehicle includes the aforementioned thermal management system. Optionally, the vehicle may include the aforementioned thermal management system and an in-vehicle heat exchange device, wherein the in-vehicle heat exchange device is connected to the thermal management system, and the in-vehicle heat exchange device and the thermal management system exchange heat using a refrigerant and a heat exchange medium.

[0072] The refrigerant cooled by the refrigerant circuit of the thermal management system can flow through the vehicle's heat exchange device, allowing it to absorb heat from the device and lower its temperature. The heat exchange medium heated by the refrigerant circuit of the thermal management system and the heater 13 in the compressor 10 can also flow through the vehicle's heat exchange device, dissipating heat to it and raising its temperature. This allows for temperature control of the vehicle's heat exchange device.

[0073] For example, the in-vehicle heat exchange device can be an onboard air conditioner. By working in conjunction with the thermal management system, the in-vehicle temperature can be regulated to improve passenger comfort. Alternatively, the in-vehicle heat exchange device can be a battery pack. This, in conjunction with the thermal management system, can regulate the battery pack's temperature to ensure normal operation and improve its safety. It prevents overheating due to excessive power output and reduces power output due to low ambient temperatures, allowing the vehicle to perform at its best and enhancing driving safety.

[0074] Here, the vehicle can be a new energy vehicle. In some embodiments, the new energy vehicle can be a pure electric vehicle with the motor assembly 12 as the main driving force. In other embodiments, the new energy vehicle can also be a hybrid vehicle with both an internal combustion engine and the motor assembly 12 as the main driving force. Regarding the internal combustion engine and motor assembly 12 mentioned in the above embodiments that provide driving power for the new energy vehicle, the internal combustion engine can use gasoline, diesel, hydrogen, etc. as fuel, and the way to provide electrical energy to the motor assembly 12 can be a power battery, hydrogen fuel cell, etc., without special limitation. It should be noted that this is merely an exemplary description of the structure of new energy vehicles, etc., and is not intended to limit the protection scope of this utility model.

[0075] By installing a heater 13 at the housing assembly 11 of the compressor 10, the compressor 10 can meet both heating requirements through the heater 13 and user heat exchange requirements through the refrigerant circuit formed by the compressor 10, evaporator, and condenser, thus enabling the compressor 10 to perform multiple functions. Furthermore, this improves the environmental adaptability of the compressor 10, resulting in a simple, efficient, compact, space-saving, and low-cost compressor 10.

[0076] The compressor 10, thermal management system, and other components and operations of the vehicle according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0077] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0078] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0079] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0080] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0081] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "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 the present invention. 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. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0082] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A compressor (10) for a vehicle, characterized in that, include: Housing assembly (11); A motor assembly (12) is disposed in the housing assembly (11). The motor assembly (12) includes a stator assembly (121) and a rotor assembly (122). The stator assembly (121) includes a stator core (1211) and a stator winding (1212). The rotor assembly (122) includes a rotor core (1221) and a permanent magnet (1222). A heater (13) is provided, which is distributed along the axis of the motor assembly (12) with the motor assembly (12). The heater (13) includes at least one heating tube disposed on the housing assembly (11). The heating tube includes a tube body and a heating element disposed on the outer surface of the tube body. The axial height dimension of the stator core (1211) is The inner diameter of the stator core (1211) is The number of poles of the motor assembly (12) is P, the thickness of the permanent magnet (1222) is H, the width of the permanent magnet (1222) is W, and the outer diameter of the heating tube is [missing information]. The maximum dimension of the heating element along the axial direction of the heating tube is Among them, satisfying .

2. The compressor (10) according to claim 1, characterized in that, 。 3. The compressor (10) according to claim 1, characterized in that, The heating element includes a first heating element (131) and a second heating element (132), which are arranged side by side. The distance between the axis of the first heating element (131) and the axis of the second heating element (132) is [missing information]. The outer diameter of the stator core (1211) is The angle between the axis of the heating tube and the axis of the motor assembly (12) is β, wherein, , .

4. The compressor (10) of claim 3, characterized in that ， 。 5. The compressor (10) of claim 1, wherein, An outer diameter dimension of the stator core (1211) is wherein, .

6. The compressor (10) according to claim 5, characterized in that, 。 7. The compressor (10) of claim 1, wherein 2≤ / ≤9。 8. The compressor (10) according to claim 1, characterized in that, The heating element includes a first heating element (131) and a second heating element (132). The heater (13) also includes a connector (133). The first heating element (131) and the second heating element (132) are arranged side by side. The connector (133) connects the first heating element (131) and the second heating element (132), and the first heating element (131) and the second heating element (132) are located on the same side of the connector (133).

9. The compressor (10) of claim 1, wherein, 25mm≤ ≤45mm; or, 125mm≤ ≤135mm; or, 60mm≤ ≤67mm; or, 22mm≤ ≤26mm.

10. The compressor (10) of claim 1, characterized in that, 6≤P≤10; or, 1.8mm≤H≤3mm; or, 9mm≤W≤13mm.

11. A thermal management system, characterized in that, The thermal management system includes the compressor (10) according to any one of claims 1-10.

12. A vehicle, characterized in that, The vehicle includes the thermal management system as described in claim 11.

Images