A computer contactless water pump cooling assembly

Abstract

The utility model discloses a kind of for computer non-contact water pump cooling assembly, including shell, impeller and driving device, the shell is the cavity with water chamber, the impeller is pivotedly installed in water chamber, the impeller is equipped with permanent magnet, the driving device is the magnetic induction coil arranged on the upper wall of shell, the magnetic induction coil is matched with permanent magnet and is used to exert axial driving force to permanent magnet and drive impeller rotation.In the same output torque, speed and power condition, axial flux motor (i.e. the driving device of the present application) compared with radial flux motor: axial dimension is shortened by more than 50%, more suitable for occasions with high space requirements;Weight is reduced by about 50%, more can increase the mobility of equipment, realize lightweight;Rotor and impeller have no rigid connection, when impeller resistance is greater than predetermined value, motor (i.e. magnetic induction coil) will not burn out due to internal resistance.

Description

Technical Field

[0001] This utility model relates to the field of computer water pumps, and in particular to a non-contact water pump cooling assembly for computers. Background Technology

[0002] Computer water cooling refers to the use of a liquid with a high specific heat coefficient (such as water) as a medium in commonly used computer cooling systems to help remove heat from internal components. Computer water cooling generally has the following advantages: minimal temperature fluctuations under circulating cooling, significant temperature control of cooled components, and stable and reliable operation over long periods.

[0003] In existing integrated pump and water chamber designs, the rotor is typically placed inside the impeller to enable a brushless motor to drive the impeller. However, the stator's magnetic coil needs to be tangent to the device (i.e., the stator is the magnetic coil, and the rotor is located on the outer periphery of the stator, radially tangent). Therefore, the housing will protrude and extend into the water chamber to enable the impeller to drive the fluid flow. The corresponding problem is that the water chamber is larger in volume and thickness, and the volume of the water chamber is reduced as the stator housing extends into the water chamber.

[0004] Of course, there are also structures that use separate water pumps and water chambers, but their overall integrity is poor. In addition, with the setting of transparent chassis, the water pump and water chamber are relatively large, which also affects the overall aesthetics of the chassis. Utility Model Content

[0005] The main objective of this invention is to propose a non-contact water pump cooling assembly for computers, which aims to integrate the water pump and water chamber into a single unit with a low thickness, thereby reducing the overall volume while ensuring the water chamber volume.

[0006] To achieve the above objectives, this utility model proposes a contactless water pump cooling assembly for computers, comprising:

[0007] The housing is a cavity containing a water chamber;

[0008] An impeller, pivotally mounted in a water chamber, is equipped with a permanent magnet;

[0009] The driving device is a magnetic induction coil disposed on the upper wall of the housing. The magnetic induction coil cooperates with the permanent magnet to apply an axial driving force to the permanent magnet and drive the impeller to rotate.

[0010] Under the same output torque, speed and power, the axial flux motor (i.e. the drive device of this application) is more than 50% shorter in axial dimension than the radial flux motor, making it more suitable for applications with high space requirements; and about 50% lighter, which can further increase the mobility of the equipment and achieve lightweighting.

[0011] The rotor and impeller are not rigidly connected. When the impeller resistance is greater than a predetermined value, the motor (i.e., the magnetic coil) will not burn out due to internal resistance.

[0012] In particular, it effectively improves the service life of water pumps by addressing the problem that the rotor may jam or move slowly when outputting higher power after the pump body is blocked (i.e., a greater torque is required). Attached Figure Description

[0013] Figure 1 For the purpose of this utility model explosion Figure 1 ;

[0014] Figure 2 For the purpose of this utility model explosion Figure 2 ;

[0015] Figure 3 This is a cross-sectional view of the axial position of this utility model;

[0016] Figure 4 This is a partial sectional view of the water inlet location of this utility model;

[0017] Figure 5 This is a partial sectional view of the outlet location of this utility model;

[0018] Figure 6 This is a half-sectional schematic diagram of the present invention;

[0019] Figure 7 This is a three-dimensional schematic diagram of the concealed top cover of this utility model.

[0020] In the picture,

[0021] 1 represents the shell, 10 represents the water chamber, 11 represents the upper chamber, and 12 represents the lower chamber.

[0022] 2 is the impeller, 20 is the shaft, 21 is the permanent magnet, and 22 is the magnetic coil.

[0023] 3 is the positioning groove.

[0024] 41 is the upper shell, 42 is the heat sink, and 43 is the heat exchange channel.

[0025] 51 is the inlet, and 52 is the outlet.

[0026] 6 is a flow divider, 60 is a baffle, 61 is the first fluid outlet channel, and 62 is the first fluid inlet channel.

[0027] 7 is a guide hole.

[0028] 8 represents the stepped section, and 80 represents the bent section. Detailed Implementation

[0029] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0030] It should be noted that if any directional indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.) is involved in the embodiments of this utility model, the directional indication is only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0031] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0032] like Figures 1 to 7 As shown, a contactless water pump cooling assembly for computers includes:

[0033] Housing 1, wherein housing 1 is a cavity having a water chamber;

[0034] Impeller 2, which is pivotally mounted in the water chamber, and is equipped with a permanent magnet 21;

[0035] The driving device is a magnetic induction coil 22 disposed on the upper wall of the housing 1. The magnetic induction coil 22 cooperates with the permanent magnet 21 to apply an axial driving force to the permanent magnet 21 and drive the impeller 2 to rotate.

[0036] Under the same output torque, speed and power, the axial flux motor (i.e. the drive device of this application) is more than 50% shorter in axial dimension than the radial flux motor, making it more suitable for applications with high space requirements; and about 50% lighter, which can further increase the mobility of the equipment and achieve lightweighting.

[0037] The rotor and impeller 2 are not rigidly connected. When the resistance of impeller 2 is greater than a predetermined value, the motor (i.e., magnetic coil 22) will not burn out due to internal resistance.

[0038] In particular, it effectively improves the service life of water pumps by addressing the problem that the rotor may jam or move slowly when outputting higher power after the pump body is blocked (i.e., a greater torque is required).

[0039] Specifically, the top wall of the housing 1 is provided with multiple positioning grooves 3. Compared with existing brushless motors, it reduces the design of iron coils, thereby enabling modular installation of this type of brushless motor. Furthermore, the changes in parameters can form a reference model, facilitating direct production.

[0040] The positioning slot 3 is used to install the magnetic coil 22.

[0041] The magnetic coil 22 can apply axial magnetic tangents to drive the impeller 2 to rotate.

[0042] The permanent magnet 21 is also a cylindrical or rectangular strip structure, which can be designed according to the specific magnetic flux direction, thereby improving stability while ensuring driving force.

[0043] Specifically, the positioning grooves 3 are circumferentially spaced along the same axis, and the consistent distribution of the magnetic coils 22 is the key to the design, thereby ensuring the stability of rotation.

[0044] Specifically, the magnetic induction coil 22 is connected to the control device via a PCB board or via a cable.

[0045] Specifically, the magnetic induction coil 22 is an independent module, and the magnetic induction coil 22 is composed of copper wire wound with a predetermined thickness.

[0046] Unlike existing designs, the magnetic coil 22 is installed directly in the positioning slot 3 as an independent unit, which allows for a higher inductance of the magnetic coil 22, thereby enabling a greater driving force. This allows for a higher rotational speed when the permanent magnet 21 and the magnetic coil 22 are tangent, thus improving equipment stability.

[0047] Specifically, the magnetic induction coil 22 is a magnetic levitation coil, and the magnetic induction coil 22 is cylindrical.

[0048] A small magnetic levitation coil is used, which generates axial inductance when energized.

[0049] When multiple circumferentially distributed magnetic coils 22 are energized in a predetermined order, the permanent magnet 21 is driven.

[0050] Specifically, the control device is used to control the energization of a plurality of magnetic induction coils 22 in a predetermined order and / or direction.

[0051] For example, when using cables, separate interfaces can be used to connect to the control device.

[0052] When using a PCB board, the magnetic coil 22 can also be soldered to the PCB board and then installed in the positioning slot 3, thereby realizing the installation and fixation of the magnetic coil 22.

[0053] For example, the PCB board can be directly mounted using screws.

[0054] When not fixed to a PCB board, the magnetic coil 22 can also be fixed by the positioning cover plate.

[0055] This enables the impeller 2 to rotate, the direction of which is related to the frequency of the current and the inductance.

[0056] The magnetic induction coil 22 can be connected to the control device in series or in parallel.

[0057] Specifically, the housing 1 includes an upper shell 41 with an opening at its lower end and a heat dissipation plate 42 disposed at the opening.

[0058] The side wall of the upper shell 41 is provided with a water inlet 51 and a water outlet 52.

[0059] A partition 60 is disposed inside the upper shell 41 and divides the water chamber into an upper chamber 11 and a lower chamber 12.

[0060] The water inlet 51 is bent and extends into the lower chamber 12;

[0061] The impeller 2 is pivotally mounted in the upper chamber 11 and pivotally mounted between the top wall of the upper shell 41 and the upper wall of the partition 60.

[0062] By changing the existing structure of the multi-shell 1 to form an upper chamber 11 and a lower chamber 12, water tightness can be effectively guaranteed and the stability of the structure can be improved.

[0063] Specifically, the impeller 2 is provided with a rotating shaft 20, the two ends of which abut against the top wall of the upper shell 41 and the upper wall of the partition 60, respectively. More specifically, both are provided with grooves for the rotating shaft 20 to extend into, thereby improving the stability of rotation and coaxiality. At the same time, ceramic bearings can be installed in the grooves to further improve the stability of rotation and wear resistance.

[0064] Specifically, the lower chamber 12 is provided with a flow divider 6, and a partition 60 extends downward from the middle of the flow divider 6.

[0065] The interior of the partition 60 forms a first fluid outlet channel 61, and the periphery of the partition 60 and the inner wall of the lower chamber 12 form a first fluid inlet channel 62.

[0066] The upper wall of the heat sink 42 is provided with spaced heat dissipation strips, which form a heat exchange channel 43. The outer periphery of the heat exchange channel 43 is connected to the first fluid inlet.

[0067] The first fluid outlet is connected to the middle of the heat exchange channel 43;

[0068] The first fluid inlet channel 62 is connected to the water inlet 51.

[0069] The partition 60 is provided with a flow guide hole 7, which is connected to the first fluid outlet channel.

[0070] In specific designs, increasing the length of the flow channel can reduce the problem of air bubbles, while also making the fluid flow rate more uniform, increasing the contact area and contact time between the heat sink and the fluid, and improving heat exchange efficiency.

[0071] The design of the water channel is simplified and stabilized by the arrangement of the diversion plate 6 and the baffle plate 60. Meanwhile, the upper shell 41 is integrally molded. In actual design, it is necessary to ensure the watertightness between the upper shell 41 and the heat sink 42. Even if leakage occurs between the upper chamber 11 and the lower chamber 12, it will not affect the external watertightness. At the same time, the stepped portion 8 effectively ensures the stable rotation and installation of the impeller 2.

[0072] Furthermore, installation is simpler, as it can be fixed by pressing, or by screws. At the same time, a sealing ring can be used to further ensure water tightness.

[0073] Specifically, the connecting end between the upper chamber 11 and the lower chamber 12 is provided with a stepped portion 8, which is used to abut and support the partition 60;

[0074] The fluid inlet is integrally formed with the upper shell 41 and a bent pipe 80 is formed through the stepped portion 8. The inner end of the bent pipe extends into the lower chamber 12, and the inner end of the water outlet is located in the upper chamber 11 and is horizontally positioned with the upper chamber.

[0075] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A contactless water pump cooling assembly for computers, characterized in that, include: The housing is a cavity containing a water chamber; An impeller, pivotally mounted in a water chamber, is equipped with a permanent magnet; The driving device is a magnetic induction coil disposed on the upper wall of the housing. The magnetic induction coil cooperates with the permanent magnet to apply an axial driving force to the permanent magnet and drive the impeller to rotate.

2. The contactless water pump cooling assembly for computers as described in claim 1, characterized in that: The top wall of the housing is provided with multiple positioning grooves. The positioning slot is used to install the magnetic coil. The magnetic coil can apply axial magnetic tangents to drive the impeller to rotate.

3. The contactless water pump cooling assembly for computers as described in claim 2, characterized in that: The positioning grooves are distributed circumferentially along the same axis.

4. The contactless water pump cooling assembly for computers as described in claim 2, characterized in that: The magnetic coil is connected to the control device via a PCB board or via a cable.

5. The contactless water pump cooling assembly for computers as described in claim 2, characterized in that: The magnetic induction coil is an independent module, and the magnetic induction coil is composed of copper wire wound to a predetermined thickness.

6. The contactless water pump cooling assembly for computers as described in claim 1, characterized in that: The magnetic induction coil is a magnetically levitated coil, and the magnetic induction coil is cylindrical.

7. The contactless water pump cooling assembly for computers as described in claim 4, characterized in that: The control device is used to control multiple magnetic coils to be energized in a predetermined order and / or direction.

8. The contactless water pump cooling assembly for computers as described in claim 1, characterized in that: The housing includes an upper shell with an opening at the lower end and a heat dissipation plate disposed at the opening. The side wall of the upper shell is provided with a water inlet and a water outlet. A partition, located inside the upper shell, divides the water chamber into an upper chamber and a lower chamber. The water inlet is bent and extends into the lower chamber; The impeller is pivotally mounted in the upper chamber, and pivotally mounted between the top wall of the upper shell and the upper wall of the partition.

9. The contactless water pump cooling assembly for computers as described in claim 8, characterized in that: The lower chamber is equipped with a flow divider, and a partition extends downward from the middle of the flow divider. The interior of the partition forms a first fluid outlet channel, and the periphery of the partition and the inner wall of the lower chamber form a first fluid inlet channel. The upper wall of the heat sink is provided with spaced heat dissipation strips, which form a heat exchange channel. The outer periphery of the heat exchange channel is connected to the first fluid inlet. The first fluid outlet is connected to the middle of the heat exchange channel; The first fluid inlet channel is connected to the water inlet. The partition plate is provided with a flow guide hole, which is connected to the first fluid outlet channel.

10. The contactless water pump cooling assembly for computers as described in claim 9, characterized in that: The connecting end between the upper chamber and the lower chamber is provided with a stepped portion, which is used to attach to and support the partition. The fluid inlet is integrally formed with the upper shell and a bend tube is formed by a stepped section. The inner end of the bend tube extends into the lower chamber, and the inner end of the water outlet is located in the upper chamber and is horizontally positioned with the upper chamber.

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