Cooling system and servo motor

Abstract

The present invention relates to the field of heat exchange, and in particular to a cooling system and a servo motor; a cooling part, the cooling part contacts a heat source and coolant flows in the cooling part; a pressurizing part, the pressurizing part includes a pressurizing device and a first chamber, the first chamber is provided with a first inlet and a first outlet, the first outlet is connected to the cooling part inlet, and coolant is contained in the first chamber; an energy storage part, the energy storage part includes an energy storage device and a second chamber, the second chamber is provided with a second inlet and a second outlet, the second inlet is connected to the cooling part outlet, and the second outlet is connected to the first inlet; the coolant discharged from the cooling part outlet flows into the second chamber, increasing the pressure in the second chamber, and the energy storage device stores potential energy; when the pressurizing device stops applying pressure, the energy storage device pressurizes the second chamber, so that the coolant in the second chamber is discharged from the second outlet and enters the first chamber through the first inlet, so as to solve the technical problem of poor natural air cooling and heat dissipation effect of the existing servo motor.

Description

Technical Field

[0001] The present invention relates to the field of heat exchange, and in particular to a cooling system and a servo motor. Background Art

[0002] The servo motor has high operating precision and adjustable and controllable speed. It is a driving device that converts voltage signals into torque and speed. During application, the servo motor will generate heat, which will affect the working performance of the servo motor, especially the encoder, causing a greater impact on its accuracy. The current servo motor mainly relies on natural air cooling for heat dissipation, which is not suitable for places with poor external air flow. When the external air flow is insufficient, the heat generated by the servo motor cannot be conducted outward in time. The heat accumulates on the servo motor, causing a greater impact on the encoder, affecting the accuracy of the servo motor and reducing the service life of the servo motor.

[0003] To address the above issues, no effective solutions have been proposed so far. Summary of the Invention

[0004] In order to solve the technical problem of poor heat dissipation effect of natural air cooling in existing servo motors, a cooling system and a servo motor are proposed.

[0005] In one aspect, a cooling system includes a cooling portion, the cooling portion being in contact with a heat source and having a cooling liquid flowing therein, the cooling portion being provided with a cooling portion inlet and a cooling portion outlet for the cooling liquid to flow in and out;

[0006] a pressurizing portion, the pressurizing portion comprising a pressurizing device and a first chamber, the first chamber being provided with a first inlet and a first outlet, the first outlet being in communication with the cooling portion inlet, the first chamber containing a cooling liquid, the pressurizing device pressurizing the first chamber so that the cooling liquid flows from the first chamber into the cooling portion and is discharged from the cooling portion outlet;

[0007] An energy storage unit, the energy storage unit comprising an energy storage device and a second chamber, the second chamber being provided with a second inlet and a second outlet, the second inlet being in communication with the cooling unit outlet, and the second outlet being in communication with the first inlet; coolant discharged from the cooling unit outlet flows into the second chamber, increasing the pressure in the second chamber, and the energy storage device storing potential energy;

[0008] When the pressurizing device stops applying pressure, the energy storage device pressurizes the second chamber so that the coolant in the second chamber is discharged from the second outlet and enters the first chamber through the first inlet.

[0009] Preferably, the pressurizing device comprises:

[0010] Drive mechanism;

[0011] a driving chamber, the driving chamber being in communication with the first chamber, a first piston being disposed in the driving chamber, the first piston being in sliding sealing relation with the driving chamber;

[0012] The driving mechanism drives the first piston to slide in the driving chamber and pressurizes the first chamber;

[0013] A first through hole is further formed on the side wall of the driving chamber, and the first through hole is used to maintain a constant pressure in the driving chamber.

[0014] Preferably, the driving mechanism includes:

[0015] Cooling the motor;

[0016] A crankshaft, the crankshaft being rotatably disposed on the drive cavity, one end of the crankshaft being engaged with and driven by the cooling motor, and the other end of the crankshaft being provided with a crank neck, the crank neck being located in the drive cavity;

[0017] A connecting rod, one end of which is rotatably connected to the curved neck, and the other end of which is hinged to the first piston; the cooling motor rotates to drive the first piston to reciprocate in the driving chamber.

[0018] Preferably, a first gear is provided on the output shaft of the cooling motor, and a second gear meshing with the first gear is provided on the crankshaft.

[0019] Preferably, the energy storage device includes an energy storage chamber connected to the second chamber, a second piston and an elastic body are provided in the energy storage chamber, one end of the elastic body is connected to the second piston, and the other end is connected to the inner wall of the energy storage chamber, and the second piston can slide in a sealed manner in the energy storage chamber;

[0020] A second through hole is formed on the energy storage chamber, and the second through hole is used to maintain a constant pressure in the energy storage chamber.

[0021] Preferably, the elastic body is a spring.

[0022] Preferably, the cooling system further comprises:

[0023] a first one-way valve, the first one-way valve being disposed between the outlet of the pressurizing portion and the outlet of the cooling portion, the first one-way valve being configured to allow the coolant to flow from the first chamber to the cooling portion in a one-way manner;

[0024] A second one-way valve is provided between the inlet of the pressurizing part and the outlet of the energy storage part, and is used to allow the coolant to flow from the second chamber to the first chamber in a one-way manner.

[0025] Preferably, a third chamber is provided between the inlet of the pressurizing part and the outlet of the energy storage part, and the first inlet and the second outlet are both connected to the third chamber; and a plurality of heat dissipation plates are provided on the outer surface of the third chamber.

[0026] Preferably, the output shaft of the cooling motor is further provided with a fan, and the fan can force air to flow through the heat sink and the cooling part.

[0027] Preferably, the cooling part is a serpentine tube.

[0028] On the other hand, the present invention further provides a servo motor, comprising the cooling system described above, wherein a serpentine groove is formed on the outer surface of the encoder of the servo motor, and the serpentine tube is located in the serpentine groove.

[0029] The present invention provides a cooling part at the encoder of the servo motor, and uses a pressurizing part to make the coolant flow from the first chamber through the cooling part into the second chamber. When the coolant flows through the cooling part, it takes away the heat at the encoder, thereby achieving the purpose of accelerating the heat dissipation of the encoder; while the pressurizing part increases the pressure to make the coolant flow, the energy storage part stores energy; when the pressurizing part completes the pressurization, the energy storage part releases the pressure to make the coolant flow from the second chamber into the third chamber, and the coolant passes through the heat sink in the third chamber to quickly dissipate heat to the air, thereby reducing the stability of the coolant, and the coolant with reduced temperature flows into the first chamber again; the pressurizing part again makes the coolant in the first chamber flow through the cooling part, and this cycle is repeated to continuously dissipate heat for the encoder. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a front cross-sectional view of an embodiment of the present invention;

[0031] Figure 2 For the embodiment of the present invention Figure 1 Left view of;

[0032] Figure 3 This is a schematic diagram of the coolant flowing from the first chamber to the second chamber according to an embodiment of the present invention;

[0033] Figure 4 This is a schematic diagram of the coolant flowing from the second chamber to the first chamber according to an embodiment of the present invention.

[0034] The drawings described herein are used to provide further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0035] In the accompanying drawings: 1-first chamber; 101-first inlet; 102-first outlet; 2-second chamber; 201-second inlet; 202-second outlet; 301-cooling part inlet; 302-cooling part outlet; 4-driving chamber; 401-first piston; 402-first through hole; 5-cooling motor; 501-crankshaft; 502-connecting rod; 503-first gear; 504-second gear; 6-energy storage chamber; 601-second piston; 602-second through hole; 603-spring; 7-first one-way valve; 8-second one-way valve; 9-third chamber; 901-heat sink; 10-fan; 11-serpentine tube. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0037] It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and the accompanying drawings are used to distinguish similar items and are not necessarily used to describe a particular order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, such that the embodiments of the present invention described herein can be implemented in sequences other than those illustrated or described herein. Furthermore, the terms "including," "having," and any variations thereof are intended to cover non-exclusive inclusions.

[0038] The present invention relates to the field of heat exchange, and in particular to a cooling system. A servo motor generates heat during use, and this heat affects the working performance of the servo motor, particularly significantly affecting an encoder, thereby reducing its accuracy. Currently, servo motors mainly rely on natural air cooling for heat dissipation, which is not suitable for locations with poor external air flow. When external air flow is insufficient, the heat generated by the servo motor cannot be promptly conducted outwards, and the heat accumulates on the servo motor, significantly affecting the encoder, affecting the accuracy of the servo motor, and reducing the service life of the servo motor.

[0039] The present invention provides a cooling system and a servo motor to solve the technical problem of poor heat dissipation effect of natural air cooling in existing servo motors. The present invention is described in detail below with reference to embodiments.

[0040] Example

[0041] like Figure 1-4As shown, the cooling system includes a cooling part, which is in contact with the heat source and has a coolant flowing in the cooling part, and the cooling part is provided with a cooling part inlet 301 and a cooling part outlet 302 for the coolant to flow in and out; a pressurizing part, the pressurizing part includes a pressurizing device and a first chamber 1, the first chamber 1 is provided with a first inlet 101 and a first outlet 102, the first outlet 102 is communicated with the cooling part inlet 301, and the first chamber 1 has coolant, and the pressurizing device pressurizes the first chamber 1 so that the coolant flows from the first chamber 1 into the cooling part and is discharged from the cooling part outlet 302; an energy storage part, the energy storage part includes an energy storage device and a second chamber 2, the second chamber 2 is provided with a second inlet 201 and a second outlet 202, the second inlet 201 is communicated with the cooling part outlet 302, and the second outlet 202 is communicated with the first inlet 101; after the coolant discharged from the cooling part outlet 302 flows into the second chamber 2, the pressure in the second chamber 2 increases, and the energy storage device stores potential energy; when the pressurizing device When the pressure is stopped, the energy storage device pressurizes the second chamber 2 so that the coolant in the second chamber 2 is discharged from the second outlet 202 and enters the first chamber 1 through the first inlet 101; the pressurizing device pressurizes the first chamber 1 so that the coolant in the first chamber 1 flows into the cooling part. The coolant enters the cooling part and takes away part of the heat transferred to the cooling part by the heat source. Correspondingly, the coolant flowing through the cooling part absorbs the heat and its temperature rises and flows into the second chamber 2. The coolant flowing into the second chamber 2 increases the pressure of the second chamber 2, and the energy storage device stores potential energy; when the pressurizing strong man stops pressurizing the first chamber 1, the energy storage device releases energy to pressurize the second chamber 2, so that the coolant in the second chamber 2 flows out through the second outlet 202 and flows into the first chamber 1 through the first inlet 101. In the process of the coolant flowing out from the coolant in the second chamber 2 through the second outlet 202 and flowing into the first chamber 1 through the first inlet 101, the coolant exchanges heat with the outside world, thereby reducing the temperature of the coolant.

[0042] like Figure 3-4 As shown, preferably, the pressurizing device includes: a driving mechanism; a driving chamber 4, the driving chamber 4 is connected to the first chamber 1, a first piston 401 is provided in the driving chamber 4, and the first piston 401 is slidingly sealed with the driving chamber 4; the driving mechanism drives the first piston 401 to slide in the driving chamber 4 and pressurize the first chamber 1; a first through hole 402 is also formed on the side wall of the driving chamber 4, and the first through hole 402 is used to maintain a constant pressure in the driving chamber 4; the first piston 401 slides in the driving chamber 4 under the drive of the driving mechanism, and pressurizes the first chamber 1 when the first piston 401 slides toward the first chamber 1; when the first piston 401 slides, the first through hole 402 connects the driving chamber 4 with the external atmosphere, so that the driving chamber 4 is at a constant pressure, thereby avoiding the formation of negative pressure or high pressure in the driving chamber 4 when the first piston 401 slides.

[0043] Preferably, Figure 3-4As shown, the driving mechanism includes: a cooling motor 5; a first gear 503 is provided on the output shaft of the cooling motor 5, and a second gear 504 is provided on the crankshaft 501 that meshes with the first gear 503. The crankshaft 501 is rotatably arranged on the driving chamber 4, one end of the crankshaft 501 cooperates with the cooling motor 5 and can be driven by the cooling motor 5, and the other end of the crankshaft 501 is provided with a curved neck, which is located in the driving chamber 4; a connecting rod 502, one end of the connecting rod 502 is rotatably connected to the curved neck, and the other end is hinged to the first piston 401; the rotation of the cooling motor 5 drives the first piston 401 to reciprocate in the driving chamber 4; the cooling motor 5 drives the crankshaft 501 to rotate through the first gear 503 on the output shaft and the second gear 504 on the crankshaft 501, the rotating shaft drives the connecting rod 502 to move periodically through the journal, and the connecting rod 502 drives the first piston 401 to reciprocate periodically in the driving chamber 4.

[0044] Preferably, Figure 3-4 As shown, the energy storage device includes an energy storage chamber 6 connected to the second chamber 2, and a second piston 601 and an elastomer are provided in the energy storage chamber 6. The elastomer is a spring 603, one end of the spring 603 is connected to the second piston 601, and the other end is connected to the inner wall of the energy storage chamber 6, and the second piston 601 can slide sealedly in the energy storage chamber 6; a second through hole 602 is formed on the energy storage chamber 6, and the second through hole 602 is used to maintain a constant pressure in the energy storage chamber 6; when the coolant enters the second chamber 2, the coolant pressurizes the second chamber 2 to increase the pressure in the second chamber 2, and the increase in the pressure in the second chamber 2 pushes the second piston 601 to slide toward the spring 603 and compresses the spring 603; when the coolant stops flowing into the second chamber 2, the spring 603 releases its capacity to push the second spring 603 to slide toward the second chamber 2 and pressurize the second chamber 2 so that the coolant flows from the second outlet 202 to the first chamber 1.

[0045] Preferably, Figure 3-4 As shown, the cooling system also includes: a first one-way valve 7, which is arranged between the pressurizing part outlet and the cooling part outlet 302, and the first one-way valve 7 is used to allow the coolant to flow from the first chamber 1 to the cooling part in one direction; a second one-way valve 8, which is arranged between the pressurizing part inlet and the energy storage part outlet, and the second one-way valve 8 is used to allow the coolant to flow from the second chamber 2 to the first chamber 1 in one direction; when the pressure in the first chamber 1 increases, the second one-way valve 8 is closed, the first one-way valve 7 is opened, and the coolant in the first chamber 1 flows to the cooling part through the first one-way valve 7; when the pressure in the second chamber 2 increases, the first one-way valve 7 is closed, the second one-way valve 8 is opened, and the coolant in the second chamber 2 flows into the first chamber 1 through the second outlet 202.

[0046] Preferably, a third chamber 9 is provided between the inlet of the pressurizing part and the outlet of the energy storage part, and the first inlet 101 and the second outlet 202 are both connected to the third chamber 9; a plurality of heat sinks 901 are provided on the outer surface of the third chamber 9, and a fan 10 is also provided on the output shaft of the cooling motor 5; when the coolant flows from the second chamber 2 to the first chamber 1, it passes through the third chamber 9. Since the heat sink 901 is provided on the outside of the third chamber 9, when the cooling motor 5 rotates, the fan 10 accelerates the flow of gas between the heat sink 901 and the heat source, which can not only directly cool the heat source but also accelerate the heat exchange between the coolant and the outside world.

[0047] Preferably, the cooling part is a serpentine tube 11; the serpentine tube 11 increases the contact area between the cooling part and the heat source, extends the flow path of the coolant in the cooling part, and improves the heat exchange efficiency of the coolant.

[0048] On the other hand, the present invention also provides a servo motor, including a cooling system as claimed in the claims, wherein a serpentine groove is formed on the outer surface of the encoder of the servo motor, and the serpentine tube 11 is located in the serpentine groove; the servo motor using the above-mentioned cooling system can well control the temperature rise, thereby avoiding the servo motor encoder temperature being too high, resulting in a decrease in the working performance of the servo motor.

[0049] The cooling system of the present invention can be used in a variety of places where cooling is required, including not only specific components and equipment, but also high-temperature gases. The cooling unit of the present invention can be placed where the high-temperature gas flows. It can also cool high-temperature liquids by placing the cooling unit inside the high-temperature liquid. For corrosive gases and liquids, it is necessary to select appropriate materials to process and manufacture the cooling unit according to actual conditions. The following describes the working process of the present invention using the cooling system installed on a servo motor as an example:

[0050] like Figure 3-4 As shown, when the servo motor provided with the modified cooling system is working, the cooling motor 5 is started, and the cooling motor 5 drives the first gear 503 to rotate, the first gear 503 drives the geothermal gear to rotate, the second gear 504 drives the crankshaft 501 to rotate, and the second gear 504 drives the connecting rod 502 to periodically reciprocate in the driving chamber 4 through the crank neck, and the connecting rod 502 drives the first piston 401 to reciprocate in the driving chamber 4; at the same time, the cooling motor 5 drives the fan 10 to work, and the fan 10 accelerates the air flow at the heat sink 901 and the encoder, accelerates the heat exchange between the coolant and the outside, and accelerates the heat exchange between the encoder and the outside air;

[0051] The process of cooling the encoder with coolant:

[0052] like Figure 3As shown, the first piston 401 moves toward the first chamber 1 driven by the connecting rod 502, thereby increasing the pressure in the first chamber 1. At this time, the first one-way valve 7 is opened and the second one-way valve 8 is closed. Under the action of pressure, the coolant in the first chamber 1 flows from the first outlet 102 through the first one-way valve 7 and the cooling part inlet 301 into the serpentine tube 11. The coolant flows in the serpentine tube 11 and takes away the heat of the encoder transferred to the coolant through the serpentine tube 11, effectively avoiding the damage caused by the overheating of the encoder.

[0053] The coolant passes through the serpentine tube 11 and enters the second chamber 2 from the cooling part outlet 302 and the second inlet 201. During the process of the coolant flowing from the first chamber 1 to the second chamber 2, the pressure in the first chamber 1 keeps the first one-way valve 7 in a closed state. The coolant enters the second chamber 2 and pressurizes the second chamber 2. At this time, the coolant cannot flow out from the second outlet 202. The coolant in the second chamber 2 pushes the second piston 601 to move toward the spring 603 and compresses the spring 603. The spring 603 is compressed to store potential energy.

[0054] Coolant self-cooling and reflux process:

[0055] When the first piston 401 stops pressurizing the first chamber 1, the coolant in the first chamber 1 stops flowing to the second chamber 2, and the pressures in the first chamber 1 and the second chamber 2 decrease simultaneously; the first piston 401 moves upward, the pressure in the first chamber 1 decreases, and the pressure in the second chamber 2 decreases simultaneously, and the spring 603 pushes the second piston 601 downward and pressurizes the second chamber 2. Due to the action of the first one-way valve 7, the coolant in the second chamber 2 cannot flow back to the first chamber 1 from the second inlet 201 through the serpentine pipe 11; the second one-way valve 8 opens The coolant flows out from the second outlet 202 and enters the third chamber 9. The coolant exchanges heat with the shell of the third chamber 9 and the outside in the third chamber 9 to reduce the temperature of the coolant. Since the heat sink 901 is provided outside the third chamber 9, the coolant is cooled in the third chamber. Under the action of the fan 10, the air flow at the heat sink is accelerated, which improves the heat exchange between the heat sink 901 and the outside air, further improving the cooling efficiency of the coolant. The cooled coolant enters the first chamber 1 through the second one-way valve 8 and the first inlet 101.

[0056] When the first piston 401 moves to the highest point, the spring 603 completes the reset. At this time, the second piston 601 is at the bottom, and the coolant stops flowing to the first chamber 1. At this time, the first piston 401 moves downward again to pressurize the first chamber 1. The cycle repeats, so that the coolant continues to cool the encoder of the motor.

[0057] The present invention has the following significant advantages:

[0058] 1. The present invention provides a pressurizing part at the inlet end of the cooling part, an energy storage part at the outlet end of the cooling part, and a third chamber between the inlet end of the pressurizing part and the outlet end of the energy storage part. During operation, the pressurizing part applies pressure to cause the coolant to flow from the first chamber through the cooling part, take away the heat stored in the cooling part, enter the second chamber, and store energy in the energy storage part. When the pressurizing part stops applying pressure, the energy storage part releases energy to cause the coolant in the second chamber to pass through the third chamber and enter the second chamber. When the coolant passes through the third chamber, the heat dissipation of the coolant is accelerated under the action of the heat sink. The pressurizing part applies pressure again to cause the coolant to flow from the first chamber through the cooling part and enter the second chamber. This cycle continues to dissipate heat absorbed by the cooling part.

[0059] 2. The present invention accelerates the gas flow in the cooling part and the heat sink by arranging a fan on the output shaft of the driving motor, thereby improving the heat dissipation efficiency. At the same time, the driving motor drives the pressurizing part to work, further improving the working efficiency of the driving motor, correspondingly reducing energy consumption and improving the utilization efficiency of the equipment.

[0060] The exemplary embodiments of the present disclosure are specifically shown and described above. It should be understood that the present disclosure is not limited to the detailed structures, configurations or implementations described herein; on the contrary, the present disclosure is intended to cover various modifications and equivalent configurations included within the spirit and scope of the appended claims.

Claims

1. A cooling system, characterized in that: include: a cooling portion, the cooling portion being in contact with a heat source, a cooling liquid flowing through the cooling portion, the cooling portion being provided with a cooling portion inlet and a cooling portion outlet for the cooling liquid to flow in and out, the cooling liquid entering the cooling portion through the cooling portion inlet and being discharged through the cooling portion outlet after absorbing heat from the cooling portion; a pressurizing portion, the pressurizing portion comprising a pressurizing device and a first chamber, the first chamber defining a first inlet and a first outlet, the first outlet being in communication with the cooling portion inlet, the first chamber containing a cooling liquid, the pressurizing device pressurizing the first chamber so that the cooling liquid flows from the first chamber into the cooling portion through the cooling portion inlet and is discharged from the cooling portion outlet; An energy storage unit, the energy storage unit comprising an energy storage device and a second chamber, the second chamber having a second inlet and a second outlet, the second inlet being in communication with the cooling unit outlet, and the second outlet being in communication with the first inlet; coolant discharged from the cooling unit outlet flows into the second chamber, increasing the pressure in the second chamber, and the energy storage device storing potential energy; When the pressurizing device stops applying pressure, the energy storage device pressurizes the second chamber so that the coolant in the second chamber is discharged from the second outlet and enters the first chamber through the first inlet; A third chamber is provided between the pressurizing portion inlet and the energy storage portion outlet, and the first inlet and the second outlet are both communicated with the third chamber; and a plurality of heat dissipation plates are provided on an outer wall of the third chamber.

2. A cooling system according to claim 1, characterized in that: The pressurizing device comprises: Drive mechanism; a driving chamber, the driving chamber being in communication with the first chamber, a first piston being disposed in the driving chamber, the first piston being in sliding sealing relation with the driving chamber; The driving mechanism drives the first piston to slide in the driving chamber and pressurize the first chamber; A first through hole is further formed on the side wall of the driving chamber, and the first through hole is used to maintain a constant pressure in the driving chamber.

3. A cooling system according to claim 2, characterized in that: The driving mechanism comprises: Cooling the motor; A crankshaft, the crankshaft being rotatably disposed on the drive cavity, one end of the crankshaft being engaged with and driven by the cooling motor, and the other end of the crankshaft being provided with a crank neck, the crank neck being located in the drive cavity; A connecting rod, one end of which is rotatably connected to the curved neck, and the other end is hinged to the first piston; the rotation of the cooling motor drives the first piston to reciprocate in the driving chamber.

4. A cooling system according to claim 3, characterized in that: A first gear is provided on the output shaft of the cooling motor, and a second gear meshing with the first gear is provided on the crankshaft.

5. A cooling system according to claim 1, characterized in that: The energy storage device includes an energy storage chamber connected to the second chamber, a second piston and an elastic body are provided in the energy storage chamber, one end of the elastic body is connected to the second piston, and the other end abuts against the inner wall of the energy storage chamber, and the second piston can slide in a sealed manner in the energy storage chamber; A second through hole is formed on the energy storage chamber, and the second through hole is used to maintain a constant pressure in the energy storage chamber.

6. A cooling system according to claim 5, characterized in that: The elastic body is a spring.

7. A cooling system according to claim 6, characterized in that: The cooling system further comprises: a first one-way valve, the first one-way valve being disposed between the outlet of the pressurizing portion and the outlet of the cooling portion, the first one-way valve being configured to allow the coolant to flow from the first chamber to the cooling portion in a one-way manner; A second one-way valve is provided between the inlet of the pressurizing part and the outlet of the energy storage part, and is used to allow the coolant to flow from the second chamber to the first chamber in a one-way manner.

8. A cooling system according to claim 3, characterized in that: The output shaft of the cooling motor is further provided with a fan, and the fan can force air to flow through the heat sink and the cooling part.

9. A cooling system according to any one of claims 1 to 8, characterized in that: The cooling portion includes a serpentine pipe wound around the outside of the heat source.

10. A servo motor, characterized in that: A cooling system comprising any one of claims 1 to 8.

11. A servo motor, characterized in that: A cooling system according to claim 9, characterized in that a serpentine groove is formed on the outer surface of the encoder of the servo motor, and the serpentine tube is located in the serpentine groove.

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