Heating pump and thermal management system

Abstract

The utility model relates to a heating pump and a heat management system with the same. The heating pump comprises a pump shell, a motor, an impeller heating piece and a flow guide piece. The motor is contained in the pump shell and at least partially surrounded by the side wall of the pump shell. The impeller is contained in the pump shell and driven by the motor to pump fluid media. The heating piece is located between the side wall of the pump shell and the motor and at least partially surrounds the motor, so that a heating space is formed between the heating piece and the motor. The heating space comprises a heating inlet close to the fluid inlet and a heating outlet close to the fluid outlet. The flow guide piece is independently arranged in the heating space and abuts against any one of the heating piece and the motor, or a gap is formed between the flow guide piece and the heating piece. The flow guide part is spiral, at least partially surrounds the motor and extends between the heating inlet and the heating outlet so as to guide the fluid medium to flow from the heating inlet to the heating outlet along a spiral flow guide channel. The heating pump has the advantages of being simple in structure, even in heating and the like.

Description

Technical Field

[0001] The utility model relates to the field of pumps, and in particular to a heat pump and a thermal management system having the same. Background Art

[0002] Automobiles, especially new energy vehicles, usually have a thermal management system. The thermal management system can be used to adjust the temperature of each part of the automobile to ensure that each part is in a suitable temperature environment, so as to improve energy utilization efficiency and ensure vehicle performance. The thermal management system can include a heat pump, and the heat pump can pump a fluid medium and heat the fluid medium. For example, in a cold environment, the heated fluid medium can be used to increase the temperature of the battery to improve the driving range of the automobile. However, the conventional heat pump has the deficiencies of relatively complex structure and uneven heating. Summary of the Utility Model

[0003] In view of this, the utility model provides a heat pump and a thermal management system having the same, aiming to solve the problems of relatively complex structure and uneven heating of the conventional heat pump.

[0004] The heat pump provided by the utility model includes a pump housing, a motor, an impeller and a heating element. The pump housing has a fluid inlet and a fluid outlet. The motor is received in the pump housing and at least partially surrounded by the side wall of the pump housing. The impeller is received in the pump housing and is driven by the motor to pump the fluid medium. The heating element is located between the side wall of the pump housing and the motor and at least partially surrounds the motor to form a heating space between the heating element and the motor. The heating space includes a heating inlet near the fluid inlet and a heating outlet near the fluid outlet. The heat pump further includes a flow guiding member. The flow guiding member is independently disposed in the heating space and abuts against either the heating element or the motor or has a gap therewith. The flow guiding member is spiral and at least partially surrounds the motor and extends between the heating inlet and the heating outlet to guide the fluid medium to flow from the heating inlet to the heating outlet along the spiral flow guiding channel.

[0005] During the process of the fluid medium flowing from the heating inlet to the heating outlet, the spiral flow guiding channel defined by the flow guiding member will guide the fluid medium, so that the fluid medium rotates sufficiently, thereby heating the fluid medium more evenly. There is a gap between the flow guiding member and either the heating element or the motor, so that while the fluid medium rotates and flows along the flow guiding channel, it can also cross the flow guiding member through the gap to be more fully agitated, thereby making the heating more uniform. The flow guiding member is independently disposed in the heating space and is not integrally formed with the motor or the heating element, which helps to reduce the complexity of the structure. In summary, the heat pump provided by the utility model has the advantages of relatively simple structure and relatively uniform heating.

[0006] As a possible implementation, the flow guide has a first connection portion, and the pump housing has a second connection portion. When the flow guide is independently disposed in the heating space, the first connection portion and the second connection portion cooperate to fixedly connect the flow guide to the pump housing.

[0007] Through the first connection portion and the second connection portion, the flow guide will be fixedly connected to the pump housing, and thus will be reliably held in the heating space. This configuration helps to simplify the structure and facilitate assembly.

[0008] As a possible implementation, the pump housing includes an upper pump housing portion and a lower pump housing portion assembled together. The upper pump housing portion and the lower pump housing portion are respectively provided with a first clamping groove and a second clamping groove, and the first clamping groove and the second clamping groove are configured as the second connection portion. The two ends of the flow guide are respectively provided with a first clamping portion and a second clamping portion, and the first clamping portion and the second clamping portion are configured as the first connection portion. The first clamping portion and the second clamping portion are respectively inserted into the first clamping groove and the second clamping groove to fixedly connect the flow guide to the pump housing.

[0009] During the assembly process, the first clamping portion and the second clamping portion can be respectively inserted into the first clamping groove and the second clamping groove first, and then the upper pump housing portion and the lower pump housing portion are assembled together, which makes the assembly operation relatively simple and convenient.

[0010] As a possible implementation, the upper pump housing portion has a fluid inlet, and the first clamping portion is hook-shaped.

[0011] When the heating pump is running, the fluid medium flows in from the fluid inlet of the upper pump housing portion and enters the spiral flow guide channel defined by the flow guide through the heating inlet of the heating space. During this process, the fluid medium will impact the flow guide, and such an impact will cause the risk that the first clamping portion disengages from the first clamping groove. To reduce such a risk, the first clamping portion is configured as hook-shaped. The cooperation between the hook-shaped first clamping portion and the first clamping groove is more reliable, so that the two can maintain a firm connection under the impact.

[0012] As a possible implementation, the number of spiral turns of the flow guide is 0.8 to 1.2 turns.

[0013] If the number of spiral turns of the flow guide is too small, it is difficult for the flow guide to guide the fluid medium to rotate sufficiently, resulting in insufficient heating uniformity. If the number of spiral turns of the flow guide is too large, it will lead to a large flow resistance. By using a flow guide with the number of spiral turns of... turns to... turns, it can ensure better heating uniformity without significantly increasing the flow resistance.

[0014] As a possible implementation, the flow guide abuts against the heating element and has a gap with the motor.

[0015] According to this structure, during the flow of the fluid medium along the diversion channel, the fluid medium will closely adhere to the heating element, which helps to improve the heat exchange efficiency. At the same time, through the gap between the diversion member and the motor, while the fluid medium rotates and flows along the diversion channel, it can also cross the diversion member through this gap to be more fully agitated, making the heating more uniform.

[0016] As a possible implementation, an outer heating channel for the fluid medium to flow through is provided between the heating element and the side wall of the pump housing.

[0017] In this way, the fluid medium not only flows through the heating space between the heating element and the motor to exchange heat with the inner side surface of the heating element, but also flows through the outer heating channel between the heating element and the side wall to exchange heat with the outer side surface of the heating element. Accordingly, the heat exchange between the fluid medium and the heating element will be more sufficient, and thus the heating efficiency will be relatively high.

[0018] As a possible implementation, the distance between the heating element and the motor is greater than the distance between the heating element and the side wall of the pump housing.

[0019] Due to the existence of centrifugal force, the fluid medium tends to flow towards the periphery. If the distance between the heating element and the side wall of the pump housing is greater than or equal to the distance between the heating element and the motor, the fluid medium will flow more through the outer heating channel, which is not conducive to the heat exchange efficiency. By setting the distance between the heating element and the motor to be greater than the distance between the heating element and the side wall of the pump housing, it helps to balance the flow rate of the fluid medium on both the inner and outer sides of the heating element, thus helping to improve the heat exchange efficiency. At the same time, since the distance between the heating element and the side wall of the pump housing is small, there is no need to set a diversion structure in the outer heating channel to ensure relatively uniform heating, which helps to simplify the structure.

[0020] As a possible implementation, the pump housing includes an upper pump housing part and a lower pump housing part assembled together. The upper pump housing part is provided with an introduction channel and a fluid inlet. The lower pump housing part is provided with a fluid outlet. The upper pump housing part and the lower pump housing part cooperate to form an outlet channel. The introduction channel introduces the fluid medium from the fluid inlet to the heating inlet, and the outlet channel leads the fluid medium from the heating outlet to the fluid outlet.

[0021] In this way, the fluid medium sucked from the fluid inlet can be discharged from the fluid outlet after flowing through the heating space, realizing the pumping and heating of the fluid medium.

[0022] The heat management system provided by the present utility model includes the above-mentioned heating pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below.

[0024] It should be understood that the accompanying drawings only show certain embodiments of the present utility model and should not be regarded as limiting the scope.

[0025] It should also be understood that the same or similar reference numerals are used in the accompanying drawings to represent the same or similar elements.

[0026] It should further be understood that the accompanying drawings are only schematic, and the sizes and proportions of the elements in the drawings are not necessarily accurate.

[0027] Figure 1 It is a schematic structural diagram of a heat pump according to an embodiment of the present utility model.

[0028] Figure 2 It is Figure 1 an exploded schematic diagram of the heat pump in

[0029] Figure 3 It is a schematic cross-sectional view taken along the line A-A in Figure 1 the heat pump in

[0030] Figure 4 It is Figure 1 a schematic structural diagram of the flow guide member of the heat pump in

[0031] Figure 5 It is Figure 1 a schematic structural diagram of the upper pump housing part of the pump housing of the heat pump in

[0032] Figure 6 It is Figure 1 a schematic structural diagram of the lower pump housing part of the pump housing of the heat pump in Detailed Embodiments

[0033] Many specific details are set forth herein to provide a deep understanding of the overall structure, function, and use of the embodiments described in the specification and shown in the accompanying drawings. Well-known operations, components, and elements have not been described in detail so as not to make the description in the specification overly redundant. The reader will understand that the embodiments described and shown herein are non-limiting examples, and thus it can be recognized that the specific structural and functional details mentioned herein can be representative and illustrative. Without departing from the scope of the claims, these embodiments can be modified and changed.

[0034] The present utility model provides a heat pump 100. The heat pump 100 can be used to pump a fluid medium and heat the fluid medium being pumped by it. For example, the heat pump 100 can be applied in a thermal management system, and the thermal management system can be applied in an automobile, especially a new energy vehicle. In this case, the fluid medium can be a coolant.

[0035] For ease of understanding, the overall structure of the heat pump 100 will be described by way of example below. It should be understood that the structure of the heat pump 100 should not be limited to the following description. For example, one or several of the elements (components or parts) introduced below can be omitted or replaced, and the layout relationship between them can be replaced.

[0036] First, referring to Figures 1 to 3 , the heat pump 100 provided by the present utility model may include a pump housing 10, a motor 20, an impeller 30, a heating element 40, and a flow guiding member 50.

[0037] The pump housing 10 can be used to house other components and can have a fluid inlet 10a and a fluid outlet 10b. The fluid inlet 10a and the fluid outlet 10b can be connected to the pipelines in the thermal management system. When the heat pump 100 operates, the fluid medium is sucked in from the fluid inlet 10a and discharged from the fluid outlet 10b to achieve the purpose of pumping and heating the fluid medium.

[0038] As an example, the pump housing 10 can include an upper pump housing part 11 and a lower pump housing part 12 that are installed together. The upper pump housing part 11 can be provided with the fluid inlet 10a, and the lower pump housing part 12 can be provided with the fluid outlet 10b. Of course, in other examples, the pump housing 10 can also be integrally formed, or can be composed of more parts assembled together.

[0039] The motor 20 can be housed in the pump housing 10. In particular, the motor 20 can be at least partially surrounded by the side wall 111 of the pump housing 10 (for example, the upper pump housing part 11). The motor 20 can be used to convert electrical energy into mechanical energy and output the mechanical energy in the form of torque. By way of example only, the motor 20 can include a stator and a rotor. When the motor 20 operates, the stator generates a rotating magnetic field, and this rotating magnetic field acts on the rotor to form a magnetoelectric force. The rotor rotates under the drive of this magnetoelectric force, thereby outputting torque.

[0040] The impeller 30 can be housed in the pump housing 10 and is in transmission connection with the motor 20. The torque output by the motor 20 drives the impeller 30 to rotate to pump the fluid medium. Specifically, when the impeller 30 is driven by the motor 20 to rotate, the fluid medium is thrown towards the outer edge of the impeller 30 to obtain kinetic energy and is finally discharged through the fluid outlet 10b; at the same time, a low-pressure area is formed at the center of the impeller 30, causing the fluid medium to be sucked into the center of the impeller 30; in this way, relying on the continuous operation of the impeller 30, the fluid medium is continuously sucked in and discharged, thereby achieving the purpose of pumping the fluid medium.

[0041] The heating element 40 can be located between the side wall 111 and the motor 20 and can at least partially surround the motor 20 to form a heating space S10 between the heating element 40 and the motor 20. The heating space S10 can include a heating inlet S11 and a heating outlet S12. The former can be closer to the fluid inlet 10a than the latter, while the latter can be closer to the fluid outlet 10b than the former, so that the fluid medium can flow into the heating space S10 from the fluid inlet 10a via the heating inlet S11 and can flow from the heating space S10 to the fluid outlet 10b via the heating outlet S12. By way of example only, the heating element 40 can be generally cylindrical, and the heating space S10 can also be generally cylindrical. By way of example only, the heating element 40 can include a coated electric heating film or an electric heating wire to generate heat when powered on.

[0042] The flow guide member 50 can be independently arranged in the heating space S10, and the flow guide member 50 can be in contact with either the heating element 40 or the motor 20 or have a gap therebetween. The flow guide member 50 can be spiral, can at least partially surround the motor 20, and can extend between the heating inlet S11 and the heating outlet S12 to define a spiral flow guide channel. The fluid medium can flow from the heating inlet S11 to the heating outlet S12 along the spiral flow guide channel.

[0043] During the process of the fluid medium flowing from the heating inlet S11 to the heating outlet S12, the spiral flow guide channel defined by the flow guide member 50 will guide the fluid medium, causing the fluid medium to rotate sufficiently so as to heat the fluid medium more evenly. There is a gap between the flow guide member 50 and either the heating element 40 or the motor 20, so that while the fluid medium rotates and flows along the flow guide channel, it can also cross the flow guide member 50 via the gap to be more fully agitated, thus making the heating more uniform. The flow guide member 50 is independently arranged in the heating space S10 and is not integrally formed with the motor 20 or the heating element 30, which helps to reduce the structural complexity. To sum up, the heating pump 100 provided by the present utility model has the advantages of relatively simple structure and relatively uniform heating.

[0044] Reference Figures 4 to 6 , the flow guide member 50 can have first connecting portions 51, 52, and the pump housing 10 can have second connecting portions 112, 121. When the flow guide member 50 is independently arranged in the heating space S10, the first connecting portions 51, 52 and the second connecting portions 112, 121 cooperate to fixedly connect the flow guide member 50 to the pump housing 10. Through the first connecting portions 51, 52 and the second connecting portions 112, 121, the flow guide member 50 will be fixedly connected to the pump housing 10 and thus be reliably held in the heating space S10. This structure helps to simplify the structure and facilitate assembly.

[0045] Continue to refer to Figures 4 to 6, as a non-limiting example, the upper pump housing portion 11 may be provided with a first clamping groove 112, the lower pump housing portion 12 may be provided with a second clamping groove 121, one end of the flow guide member 50 may be provided with a first clamping portion 51, and the other end of the flow guide member 50 may be provided with a second clamping portion 52. The first clamping portion 51 and the second clamping portion 52 together constitute the aforementioned first connection portion, and the first clamping groove 112 and the second clamping groove 121 together constitute the aforementioned second connection portion. When the flow guide member 50 is independently disposed in the heating space S10, the first clamping portion 51 is inserted into the first clamping groove 121, and the second clamping portion 52 is inserted into the second clamping groove 121, so that the flow guide member 50 is fixedly connected to the pump housing 10. During the assembly process, the first clamping portion 51 and the second clamping portion 52 can be respectively inserted into the first clamping groove 121 and the second clamping groove 121 first, and then the upper pump housing portion 11 and the lower pump housing portion 12 are assembled together, which makes the assembly operation relatively simple and convenient.

[0046] Further, referring to Figure 4 , the first clamping portion 51 may be hook-shaped. When the heat pump 100 is operating, the fluid medium flows in from the fluid inlet 10a of the upper pump housing portion 11 and enters the spiral flow guide channel defined by the flow guide member 50 through the heating inlet S11 of the heating space S10. During this process, the fluid medium will impact the flow guide member 50, and such impact may cause the risk that the first clamping portion 51 disengages from the first clamping groove 112. To reduce such a risk, the first clamping portion 51 is configured to be hook-shaped. The hook-shaped first clamping portion 51 and the first clamping groove 112 are more reliably matched, so that the two can maintain a firm connection under the impact.

[0047] It can be understood that although in the above example, the first connection portion is implemented as the first clamping portion 51 and the second clamping portion 52, and the second connection portion is implemented as the first clamping groove 112 and the second clamping groove 121, in other examples, the first connection portion and the second connection portion can also adopt other implementation manners, as long as the pump housing 10 and the flow guide member 50 can be fixedly connected. For example, in some alternative examples, the first connection portion and the second connection portion can be configured as solid parts suitable for being connected together by fasteners such as screws. Another example is that in some examples, the first connection portion and the second connection portion can be configured as solid parts suitable for being bonded or welded together.

[0048] It can also be understood that although in the above example, the flow guide member 50 is fixedly connected to the pump housing 10, in other examples, the flow guide member 50 can also be fixedly connected to other components of the heat pump 100, as long as the flow guide member 50 can be reliably held in the heating space S10. For example, as an alternative example, the flow guide member 50 can also be fixedly connected to the motor 20.

[0049] Continuing to refer toFigure 4 , as a preferred example, the number of spiral turns of the flow guide member 50 may be from 0.8 turn to 1.2 turns. Optionally, the number of spiral turns of the flow guide member 50 may be 0.9 turn, 1 turn, 1.1 turns, etc. If the number of spiral turns of the flow guide member 50 is too small, it is difficult for the flow guide member 50 to guide the fluid medium to rotate sufficiently, resulting in insufficient heating uniformity. If the number of spiral turns of the flow guide member 50 is too large, it will result in a relatively large flow resistance. By using the flow guide member 50 with the number of spiral turns from 0.8 turn to 1.2 turns, it is possible to ensure relatively good heating uniformity without significantly increasing the flow resistance.

[0050] Refer back to Figure 3 , in a non-limiting example, the flow guide member 50 may be in contact with the heating member 40 and have a gap with the motor 20. According to this configuration, during the process of the fluid medium flowing along the flow guide channel, the fluid medium will closely adhere to the heating member 40, which helps to improve the heat exchange efficiency. At the same time, through the gap between the flow guide member 50 and the motor 20, while the fluid medium rotates and flows along the flow guide channel, it can also cross the flow guide member 50 through this gap to be more fully agitated, making the heating more uniform.

[0051] It should be noted that in other examples of the present utility model, the arrangement manner of the flow guide member 50 with the motor 20 and the heating member 40 can also be replaced by other ways. For example, in one example, the flow guide member 50 may be in contact with the motor 20 and have a gap with the heating member 40. In another example, the flow guide member 50 may be in contact with the motor 20 and in contact with the heating member 40. In another example, the flow guide member 50 may have a gap with the motor 20 and have a gap with the heating member 40.

[0052] Continue to refer to Figure 3 , an outer heating channel S20 through which the fluid medium can flow may be provided between the heating member 40 and the side wall 111. In this way, the fluid medium not only flows through the heating space S10 between the heating member 40 and the motor 20 to exchange heat with the inner side surface of the heating member 40, but also flows through the outer heating channel S20 between the heating member 40 and the side wall 111 to exchange heat with the outer side surface of the heating member 40. Accordingly, the heat exchange between the fluid medium and the heating member 40 will be more sufficient, and thus the heating efficiency will be relatively high.

[0053] Furthermore, continue to refer to Figure 3, the distance D1 between the heating member 40 and the motor 20 can be greater than the distance D2 between the heating member 40 and the side wall 11 of the pump housing 10. Due to the existence of centrifugal force, the fluid medium tends to flow towards the periphery. If the distance D2 between the heating member 40 and the side wall 11 of the pump housing 10 is greater than or equal to the distance D1 between the heating member 40 and the motor 20, the fluid medium will flow more through the outer heating channel S20, which is not conducive to the heat exchange efficiency. By setting the distance D1 to be greater than the distance D2, it helps to balance the flow rate of the fluid medium on both the inner and outer sides of the heating member 40, thereby helping to improve the heat exchange efficiency. At the same time, since the distance D2 is smaller, there is no need to set a flow guiding structure in the outer heating channel S20 to ensure relatively uniform heating, which helps to simplify the structure.

[0054] By way of example only, with continued reference to Figure 3 , the heating space S10 and the outer heating channel S20 can be arranged in parallel, such that the fluid medium flows into both of them in parallel from above the heating space S10 and the outer heating channel S20, and flows out of both of them in parallel from below. Of course, in other examples of the present invention, the heating space S10 and the outer heating channel S20 can also be arranged in series, such that the fluid medium first flows into one of the heating space S10 and the outer heating channel S20, and then flows into the other one of them.

[0055] Refer to Figure 3 、 Figure 5 and Figure 6 , as an implementation manner, the upper pump housing portion 11 can be provided with an introduction channel 10c, and the upper pump housing portion 11 and the lower pump housing portion 11 can cooperate to form an extraction channel 10d. The introduction channel 10c can introduce the fluid medium from the fluid inlet 10a to the heating inlet S11, and the extraction channel 10d can extract the fluid medium from the heating outlet S12 to the fluid outlet 10b. In this way, the fluid medium sucked from the fluid inlet 10a can be discharged from the fluid outlet 10b after flowing through the heating space S10, realizing the pumping and heating of the fluid medium.

[0056] In addition, the present invention also provides a thermal management system, and this thermal management system can include the above-mentioned heating pump 100. For example, the thermal management system provided by the present invention can be applicable to an automobile, especially a new energy vehicle.

[0057] It should be understood that the term "comprising" and its variations used in the present invention are open-ended, that is, "including but not limited to". The term "according to" means "at least partially according to". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least another embodiment".

[0058] It should be understood that although terms such as "first" or "second" may be used in the present utility model to describe various elements (such as the first connecting portion and the second connecting portion), these elements are not defined by these terms. These terms are only used to distinguish one element from another.

[0059] The protection scope of the present utility model is not limited to the above embodiments. Any person skilled in the art within the technical scope disclosed by the present utility model can think of changes or substitutions, which should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A heating pump, comprising: a pump housing having a fluid inlet and a fluid outlet; a motor, the motor being received in the pump housing and at least partially surrounded by a side wall of the pump housing; an impeller, the impeller being received in the pump housing and being driven by the motor to pump a fluid medium; a heating element, the heating element being located between the side wall of the pump housing and the motor and at least partially surrounding the motor to form a heating space between the heating element and the motor, the heating space comprising a heating inlet close to the fluid inlet and a heating outlet close to the fluid outlet; Characterized in that the heating pump also includes: A flow guide member, the flow guide member is independently arranged in the heating space, and is in contact with or has a gap with either the heating member and the motor, wherein the flow guide member is spirally shaped, and at least partially surrounds the motor, and extends between the heating inlet and the heating outlet to guide the fluid medium to flow from the heating inlet to the heating outlet along the spiral flow guide channel.

2. The heating pump according to claim 1, characterized in that: The flow guide has a first connection portion, and the pump housing has a second connection portion. When the flow guide is independently arranged in the heating space, the first connection portion and the second connection portion cooperate to fix the flow guide to the pump housing.

3. The heating pump according to claim 2, characterized in that: The pump casing includes an upper pump casing portion and a lower pump casing portion assembled together, the upper pump casing portion and the lower pump casing portion are respectively provided with a first clamping groove and a second clamping groove, the first clamping groove and the second clamping groove are configured as the second connecting portion, the two ends of the flow guide are respectively provided with a first clamping portion and a second clamping portion, the first clamping portion and the second clamping portion are configured as the first connecting portion, the first clamping portion and the second clamping portion are respectively inserted into the first clamping groove and the second clamping groove to fix the flow guide to the pump casing.

4. The heating pump according to claim 3, characterized in that: The upper pump housing has the fluid inlet, and the first clamping portion is hook-shaped.

5. The heating pump according to any one of claims 1 to 4, characterized in that: The number of spiral turns of the flow guide is 0.8 to 1.

2.

6. The heating pump according to any one of claims 1 to 4, characterized in that: The guide member abuts against the heating member and has a gap with the motor.

7. The heating pump according to any one of claims 1 to 4, characterized in that: An outer heating channel for fluid medium to flow through is arranged between the heating element and the side wall of the pump housing.

8. The heating pump according to claim 7, characterized in that: The distance between the heating element and the motor is greater than the distance between the heating element and the side wall of the pump housing.

9. The heating pump according to claim 1 or 2, characterized in that: The pump casing includes an upper pump casing portion and a lower pump casing portion assembled together, the upper pump casing portion is provided with an inlet channel and the fluid inlet, the lower pump casing portion is provided with the fluid outlet, the upper pump casing portion and the lower pump casing portion cooperate to form an outlet channel, the inlet channel introduces the fluid medium from the fluid inlet to the heating inlet, and the outlet channel leads the fluid medium from the heating outlet to the fluid outlet.

10. A thermal management system, characterized in that: Comprising a heat pump according to any one of claims 1 to 9.

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