Internal cooling mechanism of Roots blower
By designing the internal cooling mechanism of the Roots fan, using coolant circulation and air flow, the problem of heat generated by high-speed rotation of the fan is solved, and a timely and continuous cooling effect is achieved to ensure the normal operation of the fan.
Patent Information
- Application Number
- CN202421230747.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-31
AI Technical Summary
Roots fans generate a lot of heat when rotating at high speed, and existing fans and heat sinks cannot dissipate heat in time, affecting the normal operation of the fans.
An internal cooling mechanism is designed, including the liquid storage chamber and liquid outlet tube outside the motor main body. The coolant enters the cooling liquid tank through the liquid outlet tube, flows along the heat sink outside the exhaust chamber to take away heat, and drains through the liquid extraction. The pipe and water pump realize the recycling of coolant, and at the same time, the air blower is used to drive the air through the air permeable tank to cool the liquid storage chamber and the cooling liquid tank.
The timely and continuous cooling of the Roots fan is achieved, ensuring the normal operation of the fan, and the cooling effect is accelerated through the recycling of coolant and air flow.
Smart Images

Figure CN222234611U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of Roots blowers, in particular to an internal cooling mechanism of a Roots blower. Background Art
[0002] Roots blower is a centrifugal blower, which consists of a pair of impellers with a fixed gap between them. When the impellers rotate, air is sucked in and compressed in the direction of rotation, and then discharged from the outlet. The working principle of Roots blower is similar to that of gear pump, but it has no contact or rotating parts, so it can be used for low-temperature or high-temperature applications of conveying air, gas or powdered materials. However, when the Roots blower is working, the high-speed rotation of the impeller will generate a lot of heat. Failure to dissipate heat in time will affect the normal operation of the blower. The existing fan and heat sink heat dissipation cannot dissipate heat for the blower in time.
[0003] In view of the above problems, an internal cooling mechanism of a Roots blower is proposed to solve the above problems. Utility Model Content
[0004] The utility model aims to provide an internal cooling mechanism for a Roots blower. The device is adopted to work, thereby solving the problem that the Roots blower cannot dissipate heat quickly and timely.
[0005] To achieve the above object, the utility model provides the following technical solutions: an internal cooling mechanism of a Roots blower, comprising a motor body, a cooling component for cooling the inside of the motor body is arranged outside the motor body;
[0006] The cooling component includes an outer shell fixedly connected to the outside of the motor body, a liquid storage chamber is arranged inside the outer shell, the liquid storage chamber is filled with coolant, a liquid outlet pipe is fixedly connected to the upper surface of the liquid storage chamber, a water pump A is fixedly connected to the outside of the liquid outlet pipe, an exhaust chamber is arranged inside the motor body, a partition chamber is fixedly connected to the inner wall of the outer shell, and a cooling liquid tank is arranged between the partition chamber and the exhaust chamber.
[0007] Preferably, a liquid storage chamber is provided below the cooling liquid tank, a liquid extraction pipe B is fixedly connected to the bottom surface of the liquid storage chamber, the liquid storage chamber is connected to the liquid storage chamber through the liquid extraction pipe B, a water pump B is fixedly connected to the outside of the liquid extraction pipe B, and one end of the liquid extraction pipe B is fixedly connected to a liquid outlet pan.
[0008] Preferably, a heat sink is fixedly connected to the outside of the exhaust cavity, and the heat sink is arranged in an arc shape to fit the outside of the exhaust cavity.
[0009] Preferably, an air blower is arranged inside the outer shell, and a ventilation groove is opened inside the partition cavity, and the ventilation groove is arranged corresponding to the air blower.
[0010] Preferably, an air inlet is provided on the upper surface of the exhaust cavity, an air outlet is provided on the lower surface of the exhaust cavity, and an impeller is rotatably connected inside the exhaust cavity.
[0011] Preferably, a support frame is fixedly connected to the outside of the motor body, bolts are threadedly connected to the upper surface of the support frame, a base plate is arranged below the motor body, a mounting plate is fixedly connected to the upper surface of the base plate, the support frame and the mounting plate are arranged correspondingly, the support frame is fixed to the mounting plate by bolts, and a space is left between the motor body and the upper surface of the base plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] The utility model proposes an internal cooling mechanism of a Roots blower. When working, a water pump A is turned on, and the coolant in the liquid storage chamber is pumped out by a liquid outlet pipe. The coolant enters the cooling liquid tank and flows downward along the heat sink on the outside of the exhaust chamber, thereby taking away the temperature of the exhaust chamber surface. The coolant enters the liquid storage chamber. At this time, a water pump B is turned on, and the coolant in the liquid storage chamber is pumped back to the liquid storage chamber by the liquid pumping pipe B, so as to achieve the effect of recycling the coolant. The air blower is used to drive the air to flow from the outside of the exhaust chamber to cool down the exhaust chamber. At the same time, the airflow passes through the ventilation slot to cool down the coolant in the liquid storage chamber and the cooling liquid tank, so as to finally achieve the purpose of timely and continuous cooling of the inside of the motor body. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a schematic plan view of the internal structure of the motor body of the utility model;
[0016] Figure 3 For the utility model Figure 2 An enlarged schematic diagram of point A.
[0017] In the figure: 1. Motor body; 11. Support frame; 111. Bolt; 12. Exhaust chamber; 121. Air inlet; 122. Air outlet; 123. Impeller; 2. Bottom plate; 21. Mounting plate; 3. Cooling component; 31. Outer shell; 32. Liquid storage chamber; 33. Liquid outlet pipe; 34. Water pump A; 35. Heat sink; 36. Cooling liquid tank; 361. Liquid storage chamber; 37. Partition chamber; 371. Ventilation slot; 38. Liquid extraction pipe B; 381. Water pump B; 382. Liquid outlet tray; 4. Air blower. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.
[0020] Combination Figure 1 An internal cooling mechanism of a Roots blower comprises a motor body 1, and a cooling component 3 for cooling the inside of the motor body 1 is arranged on the outside of the motor body 1.
[0021] The utility model is further described below in conjunction with embodiments.
[0022] Combination Figure 2-Figure 3 The cooling component 3 includes an outer shell 31 fixedly connected to the outside of the motor body 1, a liquid storage chamber 32 is arranged inside the outer shell 31, the liquid storage chamber 32 is filled with coolant, a liquid outlet pipe 33 is fixedly connected to the upper surface of the liquid storage chamber 32, a water pump A34 is fixedly connected to the outside of the liquid outlet pipe 33, an exhaust chamber 12 is arranged inside the motor body 1, a partition chamber 37 is fixedly connected to the inner wall of the outer shell 31, a cooling liquid tank 36 is arranged between the partition chamber 37 and the exhaust chamber 12, through the arrangement of the outer shell 31, the liquid storage chamber 32, the liquid outlet pipe 33, the water pump A34, the cooling liquid tank 36 and the partition chamber 37, when the motor body 1 is working, the water pump A34 is turned on, and the coolant in the liquid storage chamber 32 is extracted by the liquid outlet pipe 33, the coolant flows out from the liquid outlet pipe 33 into the cooling liquid tank 36, and flows downward along the outside of the exhaust chamber 12, thereby taking away the temperature of the surface of the exhaust chamber 12, thereby achieving a cooling effect.
[0023] A liquid storage chamber 361 is arranged below the cooling liquid tank 36, and a liquid extraction pipe B38 is fixedly connected to the bottom surface of the liquid storage chamber 32. The liquid storage chamber 32 is connected to the liquid storage chamber 361 through the liquid extraction pipe B38. A water pump B381 is fixedly connected to the outer side of the liquid extraction pipe B38, and a liquid outlet plate 382 is fixedly connected to one end of the liquid extraction pipe B38. Through the arrangement of the liquid storage chamber 361, the liquid extraction pipe B38, the water pump B381 and the liquid outlet plate 382, the coolant flows downward and enters the liquid storage chamber 361. At this time, the water pump B381 is turned on, and the coolant in the liquid storage chamber 361 is extracted by the liquid extraction pipe B38, and sprayed back into the liquid storage chamber 32 through the liquid outlet plate 382, thereby achieving the effect of recycling the coolant.
[0024] A heat sink 35 is fixedly connected to the outside of the exhaust cavity 12. The heat sink 35 is arranged in an arc shape to fit the outside of the exhaust cavity 12. Through the arrangement of the heat sink 35, the heat generated by the exhaust cavity 12 during operation can be absorbed and cooled by the coolant to promote the cooling effect.
[0025] An air blower 4 is provided inside the outer shell 31, and a ventilation groove 371 is opened inside the partition chamber 37. The ventilation groove 371 is arranged corresponding to the air blower 4. Through the arrangement of the air blower 4 and the ventilation groove 371, the air blower 4 is utilized to drive air to flow from the outside to cool the exhaust chamber 12, and at the same time, the air flow passes through the ventilation groove 371, which has a cooling effect on the coolant in the liquid storage chamber 32 and the cooling liquid tank 36.
[0026] An air inlet 121 is provided on the upper surface of the exhaust cavity 12, an air outlet 122 is provided on the lower surface of the exhaust cavity 12, and an impeller 123 is rotatably connected inside the exhaust cavity 12. The exhaust operation of the motor body 1 is achieved through the setting of the air inlet 121, the air outlet 122 and the impeller 123.
[0027] A support frame 11 is fixedly connected to the outside of the motor body 1, and a bolt 111 is threadedly connected to the upper surface of the support frame 11. A base plate 2 is arranged below the motor body 1, and a mounting plate 21 is fixedly connected to the upper surface of the base plate 2. The support frame 11 and the mounting plate 21 are arranged correspondingly, and the support frame 11 is fixed to the mounting plate 21 by bolts 111. A space is left between the motor body 1 and the upper surface of the base plate 2. Through the arrangement of the support frame 11, the bolts 111, the mounting plate 21 and the base plate 2, the support frame 11 and the mounting plate 21 are fixed by bolts 111 to ensure a stable working environment. The motor body 1 is supported by the support frame 11 to leave space for heat dissipation and ventilation of the base plate 2.
[0028] Specifically, when working, the water pump A34 is turned on, and the coolant inside the liquid storage chamber 32 is pumped out by the liquid outlet pipe 33. The coolant enters the cooling liquid tank 36 and flows downward along the heat sink 35 on the outside of the exhaust chamber 12, thereby taking away the temperature of the surface of the exhaust chamber 12. The coolant enters the liquid storage chamber 361. At this time, the water pump B381 is turned on, and the coolant inside the liquid storage chamber 361 is pumped back to the liquid storage chamber 32 by the liquid extraction pipe B38, so as to achieve the effect of recycling the coolant. The air blower 4 is used to drive the air to flow from the outside of the exhaust chamber 12 to cool down the exhaust chamber 12. At the same time, the airflow passes through the ventilation groove 371, which has a cooling effect on the coolant inside the liquid storage chamber 32 and the cooling liquid tank 36, and finally achieves the purpose of timely and continuous cooling of the inside of the motor body 1.
[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An internal cooling mechanism of a Roots blower, comprising a motor body (1), characterized in that: A cooling component (3) for cooling the interior of the motor body (1) is arranged on the outside of the motor body (1); The cooling component (3) comprises an outer shell (31) fixedly connected to the outside of the motor body (1); a liquid storage chamber (32) is arranged inside the outer shell (31); the liquid storage chamber (32) is filled with cooling liquid; a liquid outlet pipe (33) is fixedly connected to the upper surface of the liquid storage chamber (32); a water pump A (34) is fixedly connected to the outside of the liquid outlet pipe (33); an exhaust chamber (12) is arranged inside the motor body (1); a partition chamber (37) is fixedly connected to the inner wall of the outer shell (31); and a cooling liquid tank (36) is arranged between the partition chamber (37) and the exhaust chamber (12).
2. The internal cooling mechanism of a Roots blower according to claim 1, characterized in that: A liquid storage chamber (361) is provided below the cooling liquid tank (36); a liquid extraction pipe B (38) is fixedly connected to the bottom surface of the liquid storage chamber (32); the liquid storage chamber (32) is connected to the liquid storage chamber (361) via the liquid extraction pipe B (38); a water pump B (381) is fixedly connected to the outside of the liquid extraction pipe B (38); and one end of the liquid extraction pipe B (38) is fixedly connected to a liquid outlet tray (382).
3. The internal cooling mechanism of a Roots blower according to claim 1, characterized in that: A heat sink (35) is fixedly connected to the outside of the exhaust cavity (12); the heat sink (35) is arranged in an arc shape and fits the outside of the exhaust cavity (12).
4. The internal cooling mechanism of a Roots blower according to claim 1, characterized in that: An air blower (4) is arranged inside the outer shell (31), and a ventilation slot (371) is provided inside the partition cavity (37), wherein the ventilation slot (371) is arranged corresponding to the air blower (4).
5. The internal cooling mechanism of a Roots blower according to claim 1, characterized in that: An air inlet (121) is provided on the upper surface of the exhaust cavity (12), an air outlet (122) is provided on the lower surface of the exhaust cavity (12), and an impeller (123) is rotatably connected inside the exhaust cavity (12).
6. The internal cooling mechanism of a Roots blower according to claim 1, characterized in that: A support frame (11) is fixedly connected to the outside of the motor body (1), a bolt (111) is threadedly connected to the upper surface of the support frame (11), a bottom plate (2) is arranged below the motor body (1), a mounting plate (21) is fixedly connected to the upper surface of the bottom plate (2), the support frame (11) and the mounting plate (21) are arranged correspondingly, the support frame (11) is fixed to the mounting plate (21) by the bolts (111), and a space is left between the motor body (1) and the upper surface of the bottom plate (2).
