Integrated respirator fan with liquid cooling cavity

Abstract

The utility model belongs to the technical field of breathing machine fans, and particularly relates to an integrated breathing machine fan with a liquid cooling cavity. An integrated respirator fan with a liquid cooling cavity comprises a motor and a turbofan shell assembly, and the motor and the turbofan shell assembly are combined and fixed. The turbofan shell assembly comprises an inner shell and an outer shell, the upper portion of the inner shell is connected with the upper portion of the outer shell in a sealed mode, the lower portion of the inner shell is connected with the lower portion of the outer shell in a sealed mode, and a liquid cooling cavity is formed between the inner shell and the outer shell. A motor fixing cavity and a fan blade cavity are formed in the inner shell from bottom to top, the motor is embedded into the motor fixing cavity to be fixed, the upper end of the motor is connected with a fan blade assembly, and the fan blade assembly is located in the fan blade cavity; an air inlet is formed in the top of the turbofan shell assembly; an air outlet pipeline is arranged at the turbofan shell assembly and sequentially penetrates through the outer shell and the inner shell, and one end of the air outlet pipeline is connected into the fan blade cavity.

Description

TECHNICAL FIELD

[0001] The utility model belongs to breathing machine fan technical field, concretely relates to an integrated breathing machine fan with liquid cooling cavity. BACKGROUND

[0002] The turbine fan of the breathing machine is the core component for driving airflow in the breathing machine, and its function is directly related to the normal operation of the equipment and the safety of the patient. The turbine fan is used for generating high-speed airflow, and provides the set pressure or flow for the patient through precise control.

[0003] Due to the mute requirement and dustproof requirement of the breathing machine, the turbine fan of the breathing machine usually adopts a fully enclosed shell structure, and the fully enclosed shell structure has poor heat dissipation performance. Under long-time operation, high temperature can cause the material aging, performance attenuation, noise increase and other defects of the motor assembly.

[0004] The structure of the conventional breathing machine turbine fan is that the upper end of the motor assembly is connected with the turbofan shell assembly. This structure lacks a heat dissipation structure, and the heat dissipation of the motor assembly mainly relies on the air cooling of the main body of the motor assembly, or part of the heat is taken away by the airflow at the connection between the top of the motor assembly and the turbofan shell.

[0005] In order to enhance the heat dissipation performance of the breathing machine fan, the utility model hopes to increase the liquid cooling structure of the breathing machine fan. Based on this, the utility model hopes to provide an integrated breathing machine fan with liquid cooling cavity. UTILITY MODEL CONTENT

[0006] The utility model aims at providing an integrated breathing machine fan with liquid cooling cavity to solve the problems raised in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] An integrated breathing machine fan with liquid cooling cavity, comprising a motor and a turbofan shell assembly, the motor and the turbofan shell assembly are combined and fixed, the turbofan shell assembly comprises an inner shell and an outer shell, the upper part of the inner shell and the upper part of the outer shell are sealingly connected, the lower part of the inner shell and the lower part of the outer shell are sealingly connected, and a liquid cooling cavity is arranged between the inner shell and the outer shell, the inside of the inner shell is divided into a motor fixing cavity and a fan blade cavity from bottom to top, the motor is embedded in the motor fixing cavity for fixation, the upper end of the motor is connected with a fan blade assembly, and the fan blade assembly is located in the fan blade cavity, the top of the turbofan shell assembly is provided with an air inlet, an air outlet pipeline is arranged at the turbofan shell assembly, the air outlet pipeline penetrates the outer shell and the inner shell in sequence, and one end of the air outlet pipeline is connected to the fan blade cavity.

[0009] Preferably, the inner shell is divided into a motor sleeve inner shell and a hood inner shell connected in sequence from bottom to top, and the outer shell is divided into a motor sleeve outer shell and a hood outer shell connected in sequence from bottom to top.

[0010] Preferably, a sealing bottom shell is arranged between the bottom of the motor sleeve inner shell and the bottom of the motor sleeve outer shell.

[0011] Preferably, a cooling liquid opening is arranged at the motor sleeve outer shell, and a soft plug is arranged at the cooling liquid opening.

[0012] Preferably, the fan blade cavity is an ellipsoidal cavity.

[0013] Preferably, the upper edge of the hood inner shell is fixedly connected to the inner wall of the upper portion of the hood outer shell, the upper edge of the hood outer shell is rolled to a central position, and the central position of the hood outer shell is provided with an air inlet.

[0014] Preferably, an air inlet extension pipe is connected to the air inlet, and the air inlet extension pipe is located directly above the fan blade assembly.

[0015] Preferably, the fan blade assembly comprises a fan blade base, and the top surface of the fan blade base is provided with a plurality of arc-shaped fan blades arranged in a ring array.

[0016] Preferably, a plurality of connecting columns are arranged between the outer shell and the inner shell.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] (1) The integrated ventilator fan with a liquid cooling cavity provided by the utility model comprises an inner shell and an outer shell, a liquid cooling cavity is arranged between the inner shell and the outer shell, the liquid cooling cavity can conduct heat of a motor, and airflow generated by a fan blade assembly can take away heat.

[0019] (2) The integrated ventilator fan with a liquid cooling cavity provided by the utility model comprises an inner shell and an outer shell, a liquid cooling cavity is arranged between the inner shell and the outer shell, the liquid cooling cavity can conduct heat of a motor, and airflow generated by a fan blade assembly can take away heat.

[0020] (3) The integrated ventilator fan with a liquid cooling cavity provided by the utility model can improve the temperature of output airflow to a certain extent through heat exchange, thereby increasing the use comfort of a patient. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The drawings of the utility model are structural schematic diagrams;

[0022] Figure 2It is the top view of the utility model;

[0023] Figure 3 It is the explosion Figure 1 ;

[0024] Figure 4 It is the explosion Figure 2 ;

[0025] Figure 5 It is the structure schematic view of the utility model after partly hiding the air cap shell;

[0026] Figure 6 It is the structure schematic view of the utility model after partly hiding the air cap shell, partly hiding the air cap inner shell and the air outlet pipeline;

[0027] Figure 7 It is the sectional view of the utility model;

[0028] Figure 8 It is the sectional view of the utility fan shell assembly of the utility model;

[0029] In the drawing: motor 1, fan shell assembly 2, inner shell 3, outer shell 4, connecting column 5, motor cover inner shell 6, air cap inner shell 7, motor cover outer shell 8, air cap outer shell 9, sealing bottom shell 10, liquid cooling cavity 11, cooling liquid opening 12, soft plug 13, motor fixing cavity 14, fan blade cavity 15, fan blade assembly 16, fan blade base 17, arc-shaped fan blade 18, air inlet 19, air inlet extension pipe 20, air outlet pipeline 21. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. It needs to be emphasized that the external structure schematic view and sectional view structure schematic view of the motor are simplified in the technical scheme because the internal structure of the motor is not the key innovation point, and this type of motor has been widely applied in breathing machine products, which is a conventional product. Therefore, the external structure schematic view and sectional view structure schematic view of the motor are simplified, and the technical scheme is not insufficiently disclosed or cannot realize the technical scheme. Those skilled in the art can understand the implementation mode of the technical scheme after reading the technical scheme.

[0031] An integrated breathing machine fan with a liquid cooling cavity comprises a motor 1 and a fan shell assembly 2, and the motor 1 and the fan shell assembly 2 are combined and fixed.

[0032] The turbofan shell assembly 2 comprises an inner shell 3 and an outer shell 4, and a plurality of connecting columns 5 are arranged between the inner shell 3 and the outer shell 4, and the inner shell 3 and the outer shell 4 are fixedly connected through the plurality of connecting columns 5. The inner shell 3 is divided into a motor sleeve inner shell 6 and a wind cap inner shell 7 which are sequentially connected from bottom to top, and the outer shell 4 is divided into a motor sleeve outer shell 8 and a wind cap outer shell 9 which are sequentially connected from bottom to top. A sealing bottom shell 10 is arranged between the bottom of the motor sleeve inner shell 6 and the bottom of the motor sleeve outer shell 8, and the upper edge of the wind cap inner shell 7 is fixedly connected to the inner wall of the upper portion of the wind cap outer shell 9, so that a liquid cooling cavity 11 is formed between the inner shell 3 and the outer shell 4. The liquid cooling cavity 11 is used for storing cooling liquid. A cooling liquid opening 12 is arranged at the motor sleeve outer shell 8, and a soft plug 13 is arranged at the cooling liquid opening 12.

[0033] The inner side of the inner shell 3 is sequentially provided with a motor fixing cavity 14 and a fan blade cavity 15 from bottom to top, the motor fixing cavity 14 is a cylindrical cavity, and the fan blade cavity 15 is an elliptical cavity. The motor 1 is embedded in the motor fixing cavity 14 for fixation, and a fan blade assembly 16 is connected to the upper end of the motor 1, the fan blade assembly 16 comprises a fan blade base 17, and a plurality of arc-shaped fan blades 18 are arranged in an annular array on the top surface of the fan blade base 17. The fan blade assembly 16 is located in the fan blade cavity 15, and the fan blade assembly 16 rotates to blow air in the fan blade cavity 15. The upper edge of the wind cap outer shell 9 is rolled downward to the central position, and an air inlet 19 is arranged at the central position of the wind cap outer shell 9. In order to realize accurate air guiding, an air inlet extension pipe 20 is connected to the air inlet 19, and the air inlet extension pipe 20 is located directly above the fan blade assembly 16. An air outlet pipeline 21 is arranged at the turbofan shell assembly 2, the air outlet pipeline 21 sequentially penetrates the outer shell 4 and the inner shell 3, and one end of the air outlet pipeline 21 contacts the fan blade cavity 15, so that the airflow in the fan blade cavity 15 can be guided out.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An integrated ventilator fan with liquid cooling cavity, characterized by: The application relates to a motor and a turbofan shell assembly which are combined and fixed, wherein the turbofan shell assembly comprises an inner shell and an outer shell, the upper part of the inner shell is sealingly connected with the upper part of the outer shell, the lower part of the inner shell is sealingly connected with the lower part of the outer shell, and a liquid cooling cavity is arranged between the inner shell and the outer shell; the inside of the inner shell is provided with a motor fixing cavity and a fan blade cavity from bottom to top, the motor is embedded in the motor fixing cavity and fixed, the upper end of the motor is connected with a fan blade assembly, and the fan blade assembly is arranged in the fan blade cavity; the top of the turbofan shell assembly is provided with an air inlet; an air outlet pipeline is arranged at the turbofan shell assembly, the air outlet pipeline penetrates the outer shell and the inner shell in sequence, and one end of the air outlet pipeline is connected with the fan blade cavity.

2. An integrated ventilator fan with liquid cooling cavity as claimed in claim 1, wherein: The inner shell is divided into a motor sleeve inner shell and a hood inner shell which are sequentially connected from bottom to top, and the outer shell is divided into a motor sleeve outer shell and a hood outer shell which are sequentially connected from bottom to top.

3. An integrated ventilator fan with liquid cooling cavity as claimed in claim 2, wherein: A sealing bottom shell is arranged between the bottom of the motor sleeve inner shell and the bottom of the motor sleeve outer shell.

4. The integrated ventilator fan with liquid cooling cavity of claim 2, wherein: A cooling liquid opening is arranged at the motor sleeve outer shell, and a soft plug is arranged at the cooling liquid opening.

5. The integrated ventilator fan with liquid cooling cavity of claim 1 or 2, wherein: The fan blade cavity is an elliptical cavity.

6. The integrated ventilator fan with liquid cooling cavity of claim 2, wherein: The upper edge of the hood inner shell is fixedly connected with the inner wall of the upper part of the hood outer shell, the upper edge of the hood outer shell is rolled towards the central position, and the central position of the hood outer shell is provided with an air inlet.

7. The integrated ventilator fan with liquid cooling cavity of claim 1, wherein: An air inlet extension pipe is connected with the air inlet, and the air inlet extension pipe is located directly above the fan blade assembly.

8. The integrated ventilator fan with liquid cooling cavity of claim 1, wherein: The fan blade assembly comprises a fan blade base, and the top surface of the fan blade base is provided with a plurality of arc-shaped fan blades which are arranged in a ring array.

9. The integrated ventilator fan with liquid cooling cavity of claim 1, wherein: A plurality of connecting columns are arranged between the outer shell and the inner shell.

Images