Liquid pump and liquid cooling module

Abstract

The invention relates to the technical field of liquid cooling, and particularly discloses a liquid pump and a liquid cooling module. The liquid pump includes a pump housing, an impeller, and a rotary drive device. Wherein the pump shell is provided with a liquid inlet and a liquid outlet, a volute cavity and a liquid inlet cavity are formed in the pump shell, the volute cavity is provided with an inner cavity inlet, the inner cavity inlet is communicated with the liquid inlet cavity, the flow area of the inner cavity inlet is smaller than that of the liquid inlet cavity, the liquid inlet cavity is communicated with the liquid inlet, and the liquid outlet is communicated with the volute cavity; the impeller is arranged in the volute cavity to drive the liquid to flow; the rotation driving device is connected with the impeller to drive the impeller to rotate. According to the liquid pump and the liquid cooling module, the shell is provided with the liquid inlet cavity in front of the volute cavity, the independent liquid inlet cavity is arranged, and the flow area of the liquid inlet cavity is larger than that of the inlet of the inner cavity, so that the flow resistance of liquid can be reduced, and the working efficiency of the liquid pump is improved.

Description

Technical Field

[0001] The present application relates to the field of liquid cooling technology, and more specifically, to a liquid pump and a liquid cooling module. Background Art

[0002] Liquid pumps are commonly used driving devices in liquid circulation systems such as liquid cooling systems. Liquid pumps usually include a pump housing, an impeller, a pump shaft, and a motor. The impeller is connected to the motor through the pump shaft. The torque output by the motor drives the pump shaft to rotate, and the pump shaft drives the impeller to rotate. The impeller is used to convert the mechanical energy of the motor into kinetic energy and potential energy of the liquid, increase the speed and pressure of the liquid, and realize the transportation of the liquid from the liquid inlet to the liquid outlet.

[0003] In the process of implementing the present invention, the inventors found that there are at least the following problems in the prior art:

[0004] In a system, a liquid pump usually has its liquid inlet connected to a corresponding device through a liquid inlet pipeline, and its liquid outlet connected to a corresponding device through a liquid outlet pipeline. However, when liquid is introduced through the liquid inlet pipeline, the flow resistance of the liquid pump inlet is large, which has an adverse effect on the working efficiency of the liquid pump. Summary of the invention

[0005] In view of this, the purpose of the present application is to provide a liquid pump and a liquid cooling module, the structural design of which can effectively solve the problem of large liquid inlet flow resistance of the liquid pump.

[0006] In order to achieve the above objectives, this application provides the following technical solutions:

[0007] A liquid pump, comprising:

[0008] A pump housing is provided with a liquid inlet and a liquid outlet, and the pump housing is formed with a volute cavity and a liquid inlet cavity, the volute cavity is provided with an inner cavity inlet, the inner cavity inlet is communicated with the liquid inlet cavity, the flow area of ​​the liquid inlet cavity is larger than the flow area of ​​the inner cavity inlet, the liquid inlet cavity is communicated with the liquid inlet, and the liquid outlet is communicated with the volute cavity;

[0009] An impeller is disposed in the volute chamber to drive the liquid to flow;

[0010] A rotary driving device is connected to the impeller to drive the impeller to rotate.

[0011] Optionally, in the above-mentioned liquid pump, the extension direction of the liquid inlet chamber is perpendicular to the axial direction of the volute chamber, the liquid inlet is connected to one end of the liquid inlet chamber, and the inner cavity inlet is arranged at one end of the axis of the volute chamber.

[0012] Optionally, in the above-mentioned liquid pump, the flow area of ​​the inner cavity inlet gradually increases from one end communicating with the liquid inlet cavity to one end communicating with the interior of the volute cavity.

[0013] Optionally, in the above liquid pump, the pump housing is provided with a liquid discharge port, the liquid discharge port is communicated with the liquid inlet cavity, and the liquid discharge port is provided with a sealing member for closing or opening the liquid discharge port.

[0014] Optionally, in the above-mentioned liquid pump, the liquid discharge port is arranged at the bottommost end of the liquid inlet chamber, and the position of the liquid discharge port is lower than the bottommost end of the volute chamber.

[0015] Optionally, in the above-mentioned liquid pump, the pump housing is further formed with a liquid outlet cavity, the volute cavity is provided with an inner cavity outlet, and the inner cavity outlet is communicated with the liquid outlet cavity.

[0016] Optionally, in the above liquid pump, the liquid inlet and the liquid outlet are arranged on the same side of the pump housing.

[0017] Optionally, in the above-mentioned liquid pump, the pump housing is formed with a liquid inlet joint part and a liquid outlet joint part, the liquid inlet cavity extends to the end surface of the liquid inlet joint part to form the liquid inlet, and the liquid outlet cavity extends to the end surface of the liquid outlet joint part to form the liquid outlet.

[0018] Optionally, in the above liquid pump, the liquid inlet joint portion is provided with at least two first sealing rings to be sealed and connected with the liquid inlet component;

[0019] The liquid outlet joint portion is provided with at least two second sealing rings to be sealed and connected with the liquid outlet component.

[0020] The liquid pump provided in the present application includes a pump housing, an impeller and a rotary drive device. The pump housing is provided with a liquid inlet and a liquid outlet, and the pump housing is formed with a volute cavity and a liquid inlet cavity, the volute cavity is provided with an inner cavity inlet, the inner cavity inlet is connected with the liquid inlet cavity, the flow area of ​​the inner cavity inlet is smaller than the flow area of ​​the liquid inlet cavity, the liquid inlet cavity is connected with the liquid inlet, and the liquid outlet is connected with the volute cavity; the impeller is provided in the volute cavity to drive the liquid to flow; the rotary drive device is connected with the impeller to drive the impeller to rotate.

[0021] In the application of the liquid pump provided by the present application, the rotary drive device drives the impeller to rotate, and the impeller can drive the liquid to flow, so that the liquid enters the liquid inlet cavity from the liquid inlet, enters the volute cavity from the inner cavity inlet after passing through the liquid inlet cavity, and is finally discharged from the liquid outlet to supply liquid to the system. In summary, the liquid pump provided by the present application has a shell with a liquid inlet cavity before the volute cavity. By setting an independent liquid inlet cavity, and its flow area is larger than the flow area of ​​the inner cavity inlet, the flow resistance of the liquid can be reduced, thereby improving the working efficiency of the liquid pump.

[0022] In some embodiments, the liquid inlet and the liquid outlet of the liquid pump are both arranged on the same side of the housing, so when the liquid pump is installed in the liquid cooling module, it can be operated from one side of the housing, which is convenient for assembly. Moreover, when the liquid pump is installed on the same side, the corresponding installation structure is centrally arranged, so the space required for the liquid cooling module as a whole is smaller and the layout is more flexible.

[0023] In order to achieve the above purpose, the present application also provides a liquid cooling module, which includes any of the above liquid pumps. Since the above liquid pump has the above technical effects, the liquid cooling module having the liquid pump should also have corresponding technical effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 This is a schematic diagram of the structure of a liquid pump according to a specific embodiment of the present application;

[0026] Figure 2 It is a schematic diagram of the liquid pump from another perspective;

[0027] Figure 3 It is a partial cross-sectional view of the liquid pump from the front;

[0028] Figure 4 It is a partial sectional view of the liquid pump from the rear;

[0029] Figure 5 is a side partial cross-sectional view of the liquid pump;

[0030] Figure 6 This is a schematic structural diagram of a liquid cooling module according to a specific embodiment of the present application.

[0031] The following are marked in the accompanying drawings:

[0032] 1-Liquid pump; 2-Liquid inlet pipeline; 3-Liquid outlet pipeline;

[0033] 11- pump housing; 101- liquid inlet; 102- liquid outlet; 103- volute chamber; 104- liquid inlet chamber; 105- inner chamber inlet; 106- liquid discharge port; 107- sealing member; 108- liquid outlet chamber; 109- inner chamber outlet; 110- liquid inlet joint; 111- liquid outlet joint; 111a- first end face; 111b- first insertion part; 111c- first sealing groove; 112- first screw hole; 113- second screw hole; 11a- liquid inlet; 11b- liquid discharge connection part; 114- second sealing ring;

[0034] 12- impeller;

[0035] 13-Rotational drive equipment. DETAILED DESCRIPTION

[0036] The embodiments of the present application disclose a liquid pump and a liquid cooling module to reduce the flow resistance of the liquid pump and improve the working efficiency of the liquid pump.

[0037] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0038] As a commonly used driving device, the liquid pump is applicable to but not limited to the liquid cooling module. When the liquid pump is started, it drives the liquid in the liquid cooling module to flow, and the heat from the heat source is taken away by the flow of the liquid. The liquid pump has a liquid inlet and a liquid outlet. Usually, the liquid enters the inner cavity of the liquid pump from the liquid inlet and is discharged from the liquid outlet through the action of the impeller. The liquid inlet and the liquid outlet can be connected to the corresponding components in the liquid cooling module through pipelines, such as being connected between the load end and the heat exchanger, that is, the liquid inlet is connected to the load end, and the liquid outlet is connected to the heat exchanger, so as to pump the liquid at the load end to the heat exchanger, and reflux back to the load end after heat exchange in the heat exchanger to achieve temperature control at the load end.

[0039] In order to solve the problem of large flow resistance when the liquid inlet pipeline is connected to the corresponding device in the present application, an independent liquid inlet cavity is set in the housing of the liquid pump, that is, the liquid inlet cavity is set in front of the volute cavity, and the liquid first enters the liquid inlet cavity, and then enters the volute cavity after passing through the liquid inlet cavity. The following embodiments mainly illustrate the pump housing structure of the liquid pump, and other components and structures of the liquid pump can refer to the settings of conventional liquid pumps.

[0040] In some embodiments, see Figure 1-Figure 5The liquid pump provided in the present application includes a pump housing 11, an impeller 12 and a rotary drive device 13. The pump housing 11 is provided with a liquid inlet 101 and a liquid outlet 102, and the liquid inlet 101 and the liquid outlet 102 are respectively used to connect with corresponding devices. The liquid enters the pump housing 11 through the liquid inlet 101 and is finally discharged through the liquid outlet 102. The pump housing 11 is formed with a volute cavity 103 and a liquid inlet cavity 104. The volute cavity 103 is provided with an inner cavity inlet 105, and the inner cavity inlet 105 is connected to the liquid inlet cavity 104, and the liquid inlet cavity 104 is connected to the liquid inlet 101, and the liquid outlet 102 is connected to the volute cavity 103. The shape of the volute cavity 103 can refer to the setting of the conventional volute cavity 103, and the liquid inlet cavity 104 is used to feed liquid into the volute cavity 103, that is, the liquid in the liquid inlet 101 first enters the liquid inlet cavity 104, and then enters the volute cavity 103 through the inner cavity inlet 105, and is discharged through the liquid outlet 102 after passing through the volute cavity 103. The impeller 12 is arranged in the volute cavity 103 to drive the liquid to flow. The number and structure of the impeller 12 can refer to the setting of the conventional impeller 12, and are not specifically limited here. The rotary drive device 13 is connected to the impeller 12 to drive the impeller 12 to rotate. Exemplarily, the rotary drive device 13 adopts a motor, and the output shaft of the motor is connected to the impeller 12 to drive the impeller 12 to rotate. It can be understood that the impeller 12 can be directly connected to the output shaft or indirectly connected through a transmission component, such as a pump shaft is arranged in the pump housing 11, the pump shaft is connected to the output shaft of the motor, and the impeller 12 is arranged on the pump shaft. The rotation of the output shaft drives the pump shaft to rotate, thereby driving the impeller 12 provided on the pump shaft to rotate, so as to act on the liquid in the volute chamber 103 .

[0041] The flow area of ​​the liquid inlet cavity 104 is greater than the flow area of ​​the inner cavity inlet 105. It can be understood that the flow area of ​​the liquid inlet cavity 104 refers to the cross-sectional area perpendicular to the flow direction in the liquid inlet cavity 104, and the flow area of ​​the inner cavity inlet 105 refers to the cross-sectional area perpendicular to the flow direction at the inner cavity inlet 105. Figure 5 In the figure, the flow area of ​​the liquid inlet chamber 104 refers to the flow area of ​​the liquid inlet chamber 104 at the AA section, and the flow area of ​​the inner cavity inlet 105 refers to the flow area of ​​the inner cavity inlet 105 at the BB section. By setting the flow area of ​​the liquid inlet chamber 104 to be larger than the flow area of ​​the inner cavity inlet 105, that is, setting an independent liquid inlet chamber 104 before the volute chamber 103 in the pump housing 11, and the flow area of ​​the liquid inlet chamber 104 is larger, the flow resistance of the liquid can be reduced. The specific size of the flow area of ​​the liquid inlet chamber 104 can be set according to the flow resistance design and the space, which is larger than the inner cross-section of the connecting pipeline when the conventional pipeline is connected to the liquid pump. Exemplarily, the flow area of ​​the liquid inlet chamber 104 is 1.1 to 2 times the inner cross-section of the connecting pipeline.

[0042] In the application of the liquid pump provided by the present application, the rotary drive device 13 drives the impeller 12 to rotate, and the impeller 12 can drive the liquid to flow, so that the liquid enters the liquid inlet cavity 104 from the liquid inlet 101, enters the volute cavity 103 from the inner cavity inlet 105 after passing through the liquid inlet cavity 104, and is finally discharged from the liquid outlet 102 to supply liquid to the system. In summary, the liquid pump provided by the present application has a shell provided with a liquid inlet cavity 104 before the volute cavity 103. By providing an independent liquid inlet cavity 104, the flow resistance of the liquid can be reduced, thereby improving the working efficiency of the liquid pump.

[0043] In addition, through the setting of the liquid inlet chamber 104, the liquid inlet chamber 104 can play a certain role in storing liquid, and even if bubbles are generated in the pump casing 11 when the liquid pump is stopped, the bubbles can float up along the liquid inlet chamber 104 instead of entering the volute chamber 103, thereby avoiding air intake in the volute chamber 103 and affecting the normal operation of the liquid pump when the liquid pump is restarted.

[0044] In some embodiments, the extension direction of the liquid inlet chamber 104 is perpendicular to the axial direction of the volute chamber 103, the liquid inlet 101 is connected to one end of the liquid inlet chamber 104, and the inner cavity inlet 105 is arranged at one end of the axis of the volute chamber 103. The rotary drive device 13 is arranged along the axial direction of the pump casing 11 to drive the impeller 12 to rotate. The extension direction of the liquid inlet chamber 104 is set to be perpendicular to the axial direction of the volute chamber 103, which reduces the flow resistance and realizes the full utilization of the space, avoids occupying too much length in the axial direction, and is conducive to the miniaturization design of the liquid pump as a whole. The inner cavity inlet 105 is arranged at one end of the axis of the volute chamber 103, which can meet the demand of liquid inlet along the axial direction.

[0045] In some embodiments, the flow area of ​​the inner cavity inlet 105 gradually increases from one end connected to the liquid inlet chamber 104 to one end connected to the inside of the volute chamber 103. The flow area of ​​the inner cavity inlet 105 is variable, and gradually increases from one end connected to the liquid inlet chamber 104 to one end inside the volute chamber 103, so that the flow resistance of the liquid can be further reduced while meeting the liquid inlet demand of the volute chamber 103. In the case where the extension direction of the liquid inlet chamber 104 is perpendicular to the axial direction of the volute chamber 103 and the inner cavity inlet 105 is arranged at one end of the axis of the volute chamber 103, the flow channel at the inner cavity inlet 105 is a 90-degree turn, and the flow area of ​​the inner cavity inlet 105 is set to gradually increase, which can reduce the resistance formed on the fluid. Exemplarily, the cross-section of the inner cavity inlet 105 is circular, and the diameter of the inner cavity inlet 105 gradually increases from one end connected to the liquid inlet chamber 104 to one end connected to the inside of the volute chamber 103.

[0046] In some embodiments, the pump housing 11 is provided with a drain port 106, the drain port 106 is communicated with the liquid inlet chamber 104, and the drain port 106 is provided with a seal 107 for closing or opening the drain port 106. In this embodiment, by providing the drain port 106 on the pump housing 11, that is, the liquid pump has its own drain port 106, and the drain port 106 is communicated with the liquid inlet chamber 104, when the liquid pump or the liquid cooling module provided with the liquid pump needs to be maintained, the seal 107 at the drain port 106 can be opened, so that the drain port 106 is opened, and the liquid in the liquid pump and the liquid in the liquid cooling module can be discharged through the drain port 106. When the liquid pump is working normally, it is only necessary to close the drain port 106 by the seal 107. In summary, by providing the drain port 106, the liquid pump is easy to maintain.

[0047] In some specific examples, the sealing member 107 is a drain valve. When the drain valve is opened, the drain port 106 is opened, and when the drain valve is closed, the drain port 106 is closed. The drain valve can be a solenoid valve to facilitate opening or closing by an automatic controller. Alternatively, the drain valve can also be a manually controlled valve. In other specific examples, the sealing member 107 can also be a component such as a sealing plug that is detachably and sealedly connected to the pump housing 11. When the sealing member 107 is removed from the drain port 106, the drain port 106 is opened, and when the sealing member 107 is installed in the drain port 106, the drain port 106 is closed.

[0048] In some embodiments, the drain port 106 is disposed at the bottom of the liquid inlet cavity 104, and the position of the drain port 106 is lower than the bottom of the volute cavity 103. It is understood that the bottom here refers to the relative position of the drain port 106 when the liquid pump is placed in a certain orientation, such as when the axial direction of the liquid pump is placed horizontally, the position of the drain port 106 is located at the bottom. By arranging the drain port 106 at the bottom of the liquid inlet cavity 104 and lower than the bottom of the volute cavity 103, the liquid can be smoothly discharged from the drain port 106 under the action of its own gravity, that is, the liquid in the liquid pump is automatically discharged, and the liquid is not easy to remain in the liquid pump.

[0049] In some embodiments, the pump housing 11 includes a liquid inlet 11a and a liquid discharge connection 11b, wherein a liquid inlet cavity 104 is formed in the liquid inlet 11a and the liquid discharge connection 11b, wherein one end of the liquid discharge connection 11b is connected to the bottom end of the liquid inlet 11a, and a liquid discharge port 106 is disposed at the other end of the liquid discharge connection 11b, and the liquid discharge connection 11b and the liquid inlet 11a are at a preset angle. Exemplarily, the preset angle is 90 degrees. It is understandable that the liquid inlet 11a and the liquid discharge connection 11b can be either an integrated structure or a split structure connected by a conventional sealing method. By cooperating with the liquid inlet 11a and the liquid discharge connection 11b, the liquid discharge port 106 is disposed at the bottom end of the liquid inlet cavity 104, and the direction of the liquid discharge port 106 can be adjusted, and the spatial layout is more reasonable, which facilitates the connection of the liquid discharge port 106 with other devices, such as a liquid storage tank.

[0050] In some embodiments, the pump housing 11 is further formed with a liquid outlet cavity 108, and the volute cavity 103 is provided with an inner cavity outlet 109, and the inner cavity outlet 109 is connected with the liquid outlet cavity 108. The length and extension direction of the liquid outlet cavity 108 can be set accordingly according to the position of the liquid inlet and outlet 102 to meet the communication with the volute cavity 103. That is, through the setting of the liquid outlet cavity 108, the layout of the liquid outlet 102 on the pump body is more flexible, and the position of the liquid outlet 102 can be set accordingly according to the interface position of the external device. Exemplarily, the liquid outlet cavity 108 is trumpet-shaped to reduce fluid resistance and facilitate installation and maintenance.

[0051] In some embodiments, the liquid inlet 101 and the liquid outlet 102 are arranged on the same side of the pump housing 11. The liquid inlet 101 and the liquid outlet 102 are arranged on the same side of the pump housing 11, so as to facilitate the connection of the pump housing 11 with the corresponding pipeline or device, and the corresponding assembly operation can be achieved from one side. In addition, the liquid inlet 101 and the liquid outlet 102 are arranged on the same side, that is, the possible leakage positions are relatively concentrated, which is convenient for the corresponding setting of protective measures such as liquid collecting components, which is beneficial to improve the safety of the system. Exemplarily, when the pump housing 11 is placed horizontally in the axial direction, the liquid inlet 101 and the liquid outlet 102 are respectively arranged at the top of the pump body.

[0052] In some embodiments, the pump housing 11 is formed with a liquid inlet joint portion 110 and a liquid outlet joint portion 111, the liquid inlet cavity 104 extends to the end surface of the liquid inlet joint portion 110 to form a liquid inlet 101, and the liquid outlet cavity 108 extends to the end surface of the liquid outlet joint portion 111 to form a liquid outlet 102. The liquid inlet joint portion 110 and the liquid outlet joint portion 111 are respectively used to connect with pipelines or devices in the system. It can be understood that the liquid inlet joint portion 110 and the liquid outlet joint portion 111 are part of the pump housing 11, that is, the pump housing 11 is an integrated structure and includes the liquid inlet joint portion 110 and the liquid outlet joint portion 111. The pump housing 11 forms a volute cavity 103 as well as a liquid inlet joint portion 110 and a liquid outlet joint portion 111. The one-piece pump housing 11 itself does not have a leakage gap. Compared with the conventional liquid inlet 101 and the liquid outlet 102 respectively connected by welding or other fixed methods, the liquid pump provided in this embodiment does not need to be connected by additional joints, thereby reducing the connection points, reducing the risk of leakage, and thereby improving the sealing reliability.

[0053] In some embodiments, the liquid inlet joint part 110 is provided with a first screw hole 112, and the first screw hole 112 is used to be screwed to the liquid inlet component. It can be understood that the liquid inlet component is a structure used to feed liquid into the liquid pump, such as a pipeline or a device. By providing the first screw hole 112 on the liquid inlet joint part 110, it is convenient to screw the volute to the corresponding device or pipeline. Compared with the connection methods such as chuck and thread, the connection is more reliable by screw connection. Specifically, the number of the first screw holes 112 can be set as needed. Exemplarily, the liquid inlet joint part 110 is provided with a plurality of first screw holes 112.

[0054] In some embodiments, the liquid outlet joint portion 111 is provided with a second screw hole 113, and the second screw hole 113 is used to be screwed to the liquid outlet component. It can be understood that the liquid outlet component is a structure connected to the liquid pump and used to receive the liquid output from the liquid pump, such as a pipeline or a device. By providing the second screw hole 113 on the liquid outlet joint portion 111, it is convenient to screw the volute to the corresponding device or pipeline. Compared with the connection methods such as chuck and thread, the screw connection is more reliable. Specifically, the number of the second screw holes 113 can be set as needed. Exemplarily, the liquid outlet joint portion 111 is provided with a plurality of second screw holes 113.

[0055] In some embodiments, the volute cavity 103 extends to one end surface of the pump housing 11 and forms an opening, and the end surface of the pump housing provided with the opening is provided with a third screw hole to be screwed to the housing of the rotary drive device 13. By providing the third screw hole on the end surface provided with the opening, it is convenient to screw the pump housing 11 to the housing of the rotary drive device 13. Specifically, the number of the third screw holes can be set as needed. For example, the end surface of the main body provided with the opening is provided with a plurality of third screw holes.

[0056] In some embodiments, the liquid inlet joint portion 110 is provided with at least two first sealing rings to be sealed with the liquid inlet component. The liquid inlet component includes but is not limited to the liquid inlet pipe. By providing at least two first sealing rings on the liquid inlet joint portion 110, that is, forming at least a double-ring seal, better sealing performance can be provided.

[0057] In some embodiments, the liquid outlet joint portion 111 is provided with at least two second sealing rings 114 to be sealed with the liquid outlet component. The liquid outlet component includes but is not limited to the liquid outlet pipe. By providing at least two second sealing rings 114 on the liquid outlet joint portion 111, at least a double-ring seal is formed, which can provide better sealing performance.

[0058] In some embodiments, the liquid outlet joint portion 111 includes a first end surface 111a of the pump housing 11 and a first insertion portion 111b protruding from the first end surface 111a, the liquid inlet 101 is provided on the end surface of the first insertion portion 111b, the outer circumference of the first insertion portion 111b is provided with at least two circles of first sealing grooves 111c, and each first sealing groove 111c is provided with a second sealing ring 114. By configuring the liquid outlet joint portion 111 to include the first end surface 111a and the first insertion portion 111b, the first insertion portion 111b can be inserted into the corresponding device or pipeline, and effective and reliable sealing is achieved through at least two second sealing rings 114 on the outer circumference of the first insertion portion 111b.

[0059] In some embodiments, the liquid inlet joint part 110 includes a second end surface of the pump housing 11 and a second inserting part protruding from the second end surface, the liquid inlet 101 is provided on the end surface of the second inserting part, the outer peripheral surface of the second inserting part is provided with at least two circles of second sealing grooves, and each second sealing groove is provided with a first sealing ring. That is, the liquid inlet joint part 110 can adopt the same structural design as the above-mentioned liquid outlet joint part 111, and the details are not repeated here.

[0060] In some embodiments, the liquid inlet joint portion 110 includes a second end surface of the pump housing 11, and the liquid inlet 101 is provided on the second end surface. Different from the above-mentioned embodiment in which the liquid inlet joint portion 110 includes a protruding second insertion portion, the liquid inlet joint portion 110 of this embodiment does not have a second insertion portion, but directly uses the second end surface to communicate with the corresponding device or pipeline, and the device or pipeline is inserted into the liquid inlet 101 and can be sealed and connected by at least two first sealing rings. Exemplarily, at least two circles of first sealing grooves are provided on the wall surface of the liquid inlet cavity 104 close to the liquid inlet 101, and a first sealing ring is respectively provided in each first sealing groove to be sealed and connected with the pipeline or device inserted into the liquid inlet 101. In other embodiments, the liquid outlet joint portion 111 can also adopt the same structural design as the aforementioned liquid inlet joint portion 110, and the details are not repeated here.

[0061] In some embodiments, the liquid inlet joint part 110 and the liquid outlet joint part 111 respectively adopt the above-mentioned different structural modes, such as the liquid outlet joint part 111 includes a first end face 111a and a first insertion part 111b protruding from the first end face 111a, the liquid inlet 101 is arranged on the end face of the first insertion part 111b, the outer peripheral surface of the first insertion part 111b is provided with at least two circles of first sealing grooves 111c, and each first sealing groove 111c is provided with a second sealing ring 114. The liquid inlet joint part 110 includes a second end face, and the liquid inlet 101 is arranged on the second end face. The insertion part is only provided in one of the liquid inlet joint part 110 and the liquid outlet joint part 111, which can be used as a fool-proof design on the one hand, which is convenient for distinguishing the liquid inlet joint part 110 and the liquid outlet joint part 111, and on the other hand, it is convenient for the two to be assembled separately.

[0062] Based on the liquid pump provided in the above embodiment, the present application also provides a liquid cooling module, which includes any one of the liquid pumps in the above embodiment. Since the liquid cooling module adopts the liquid pump in the above embodiment, please refer to the above embodiment for the beneficial effects of the liquid cooling module.

[0063] In some embodiments, see Figure 6 The liquid cooling module includes the above-mentioned liquid pump 1 and a liquid inlet pipeline 2 connected to the liquid inlet 101 of the liquid pump 1, and a liquid outlet pipeline 3 connected to the liquid outlet 102 of the liquid pump 1. The liquid inlet pipeline 2 and the liquid outlet pipeline 3 are used to access the liquid cooling system.

[0064] In other embodiments, the liquid cooling module includes a shell, a liquid pump is arranged in the shell, the shell has an inner cavity, the liquid pump is arranged in the shell, and the liquid outlet 102 of the liquid pump is connected to the inner cavity, the liquid inlet 101 of the liquid pump is connected to the load end, and the liquid cooling module also includes a heater and a heat exchanger, the heater and the heat exchanger are arranged in the shell and connected to the inner cavity. The liquid cooling module is used in a liquid cooling system. Exemplarily, the liquid cooling system includes a heat exchanger, a compressor, a condenser, a liquid pump and a heater. The liquid pump drives the liquid to circulate between the heat exchanger and the load. The heat exchanger is used to achieve heat exchange between the liquid from the load and the medium at the condenser end. The heater and the heat exchanger are connected in series or in parallel to heat the liquid flowing through. Different from the conventional liquid pump, the heater and the heat exchanger are connected by pipelines, in this embodiment, a shell with an inner cavity is provided, and the liquid pump, the heater and the heat exchanger are integrated in the shell, so as to reduce the number of connecting pipelines, thereby reducing the leakage points. The liquid pump in the above embodiment is easy to operate when it is installed in the shell, the sealing is reliable, and the flow resistance is small.

[0065] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0066] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A liquid pump, characterized in that: include: A pump housing (11) is provided with a liquid inlet (101) and a liquid outlet (102), and the pump housing (11) is formed with a volute cavity (103) and a liquid inlet cavity (104), the volute cavity (103) is provided with an inner cavity inlet (105), the inner cavity inlet (105) is in communication with the liquid inlet cavity (104), the flow area of ​​the liquid inlet cavity (104) is greater than the flow area of ​​the inner cavity inlet (105), the liquid inlet cavity (104) is in communication with the liquid inlet (101), and the liquid outlet (102) is in communication with the volute cavity (103); An impeller (12) is disposed in the volute chamber (103) to drive the liquid to flow; A rotary drive device (13) is connected to the impeller (12) to drive the impeller (12) to rotate.

2. The liquid pump according to claim 1, characterized in that: The extension direction of the liquid inlet cavity (104) is perpendicular to the axial direction of the volute cavity (103); the liquid inlet (101) is connected to one end of the liquid inlet cavity (104); and the inner cavity inlet (105) is arranged at one end of the axis of the volute cavity (103).

3. The liquid pump according to claim 2, characterized in that: The flow area of ​​the inner cavity inlet (105) gradually increases from one end communicating with the liquid inlet cavity (104) to one end communicating with the interior of the volute cavity (103).

4. The liquid pump according to claim 1, characterized in that: The pump housing (11) is provided with a liquid discharge port (106), the liquid discharge port (106) being in communication with the liquid inlet chamber (104), and the liquid discharge port (106) is provided with a sealing member (107) for closing or opening the liquid discharge port (106).

5. The liquid pump according to claim 4, characterized in that: The liquid discharge port (106) is arranged at the bottom end of the liquid inlet cavity (104), and the position of the liquid discharge port (106) is lower than the bottom end of the volute cavity (103).

6. The liquid pump according to any one of claims 1 to 5, characterized in that: The pump housing (11) is also formed with a liquid outlet cavity (108), and the volute cavity (103) is provided with an inner cavity outlet (109), and the inner cavity outlet (109) is in communication with the liquid outlet cavity (108).

7. The liquid pump according to claim 6, characterized in that: The liquid inlet (101) and the liquid outlet (102) are arranged on the same side of the pump housing (11).

8. The liquid pump according to claim 6, characterized in that: The pump housing (11) is formed with a liquid inlet joint portion (110) and a liquid outlet joint portion (111); the liquid inlet cavity (104) extends to the end surface of the liquid inlet joint portion (110) to form the liquid inlet port (101); and the liquid outlet cavity (108) extends to the end surface of the liquid outlet joint portion (111) to form the liquid outlet port (102).

9. The liquid pump according to claim 8, characterized in that: The liquid inlet joint portion (110) is provided with at least two first sealing rings for sealingly connecting with the liquid inlet component; The liquid outlet joint portion (111) is provided with at least two second sealing rings (114) for sealing connection with the liquid outlet component.

10. A liquid cooling module, characterized in that: Comprising a liquid pump as described in any one of claims 1-9.

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