Fan with fault alarm function
By miniaturizing the fan structure and combining magnetic field drive and PCBA board alarm, the problems of large size and heavy weight of existing fans are solved, and a fault alarm function that is easy to install is realized.
Patent Information
- Application Number
- CN202423303602.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing fans with fault alarm functions are large in size and heavy in weight, and are inconvenient to install.
It adopts a miniaturized design, including components such as fan frame, mounting base, fan blade, motor housing, magnetic strip and PCBA board. It realizes the fault alarm function by driving the shaft core to rotate through the magnetic field. The overall structure is compact and lightweight.
It implements a fault alarm function for the fan, while reducing the size and weight of the fan for easier installation.
Smart Images

Figure CN223648078U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wind turbine technology, specifically a wind turbine with fault alarm function. Background Technology
[0002] A fan is a machine used to transport gas and change its energy. By operating a fan, the airflow in an indoor or enclosed space can be accelerated, realizing air convection and renewal, thereby improving indoor air quality and providing a comfortable working and living environment.
[0003] A search revealed a patent, CN215860867U, which discloses a cooling tower fan with a fault alarm function. The fan includes an outer protective shell. A waterproof motor is fixedly installed in the center of the outer protective shell. A cooling tower exhaust fan is fixedly installed inside the outer protective shell at the upper drive end of the waterproof motor. A fixing ring is fixedly installed on the rear side of the outer end of the waterproof motor. The fixing ring and the outer protective shell are fixedly connected by a fixing rod. A ZCT-CX09 tilt sensor is fixedly installed on the left side of the upper end of the fixing rod inside the outer protective shell, and an M4249 wind speed sensor is fixedly installed on the right side of the upper end of the fixing rod inside the outer protective shell. This cooling tower fan with a fault alarm function has a reasonable structure. The fan is equipped with different sensors, allowing for real-time monitoring during operation. This prevents structural faults from going undetected and addressed, improving the fan's efficiency, service life, and performance.
[0004] The aforementioned patents have significant beneficial effects, but in practical application, they still have the following shortcomings:
[0005] The aforementioned comparative document describes a fan driven by a motor to rotate, which, in conjunction with sensors, enables the fan to have a fault alarm function. However, in actual operation, the overall fan in the aforementioned comparative document is large in size, requires a large installation space, and is heavy, making it difficult to install. Therefore, there is an urgent need in the art to improve the fan with fault alarm function in order to overcome the shortcomings of the prior art. Utility Model Content
[0006] In view of the shortcomings of the existing technology, this utility model provides a fan with a fault alarm function. The overall fan is small in size and light in weight, making it easy to install.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a fan with a fault alarm function, comprising a fan frame, a first fixed seat and a second fixed seat provided inside the fan frame, the first fixed seat being fixedly connected inside the fan frame, a plurality of fan blades being fixedly connected to the side of the second fixed seat, a vertical connecting seat being fixedly connected to the side of the first fixed seat facing the second fixed seat, a shaft core being rotatably connected to the side of the second fixed seat near the first fixed seat, a motor housing being fixedly installed inside the second fixed seat, a magnetic strip being fixedly installed on the inner side wall of the motor housing, a silicon steel sheet being fixedly installed on the side of the vertical connecting seat, an upper wire frame and a lower wire frame being provided on the upper and lower sides of the silicon steel sheet respectively, a coil being wound between the upper wire frame and the lower wire frame, a PCBA board communicating with the coil and having an alarm effect being fixedly installed inside the first fixed seat, and a terminal block communicating with the PCBA board being provided on the side of the fan frame.
[0008] Preferably, the second fixing seat has a protruding ring on the side near the first fixing seat, and a shaft seat is fixedly installed at one end of the shaft core, with the shaft seat fixedly installed inside the protruding ring.
[0009] Preferably, one end of the vertical connecting seat passes through the first fixed seat and has a through hole adapted to the shaft core. The two ends of the through hole are respectively provided with an upper mounting step and a lower mounting step. The shaft core is fixedly installed with a first ball and a second ball located in the upper mounting step and the lower mounting step, respectively.
[0010] Preferably, a first copper washer adapted to the second ball is sleeved on the side of the shaft away from the second fixed seat, and a plurality of iron ring buckles for limiting the iron ring buckles and the second ball are sleeved on the side of the shaft away from the second fixed seat, and buckle grooves adapted to the plurality of iron ring buckles are opened on the side of the shaft.
[0011] Preferably, one side of the first ball is in close contact with a second copper washer sleeved on the side of the shaft core, and one side of the second copper washer and the convex ring are provided with a spring sleeved on the side of the shaft core.
[0012] Preferably, a plurality of connecting ribs are fixedly connected between the inner sidewall of the fan frame and the side of the first fixed base. A wiring groove for wiring is opened on the side of one of the connecting ribs, and a slot is opened on the side of the wiring groove. A wire clip that matches the slot is snapped into the side of the connecting rib.
[0013] Preferably, the first fixing seat is provided with an insulating sheet that has an insulating effect, and the end of the shaft away from the second fixing seat is provided with a guide mounting angle for easy installation.
[0014] To address the shortcomings of existing technologies, this utility model provides a fan with a fault alarm function, overcoming the deficiencies of existing technologies. The beneficial effects of this utility model are as follows:
[0015] In this invention, a PCBA board with alarm function is used to achieve the fault alarm effect of the fan. When the fan is working, the external switch of the coil is turned on, the coil is energized, and a magnetic field is formed between the magnetic strip, silicon steel sheet and the coil, which drives the shaft to rotate. The shaft drives the first fixed seat and the fan blade to rotate. The overall fan is small in size and light in weight, making it easy to install.
[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures pointed out in the description, claims, and drawings. Attached Figure Description
[0017] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0018] Figure 1 This is a structural schematic diagram of the overall appearance of this utility model;
[0019] Figure 2 This is a schematic diagram of the overall cross-section of this utility model;
[0020] Figure 3 This is an exploded structural diagram of the entire utility model;
[0021] Figure 4 for Figure 2 Enlarged structural diagram at point A in the middle;
[0022] Figure 5 for Figure 2 Enlarged structural diagram at point B;
[0023] Figure 6 for Figure 2 Enlarged structural diagram at point C;
[0024] Figure 7 for Figure 2 Enlarged structural diagram at point D;
[0025] Figure 8 This is a schematic diagram of the alarm wiring logic of this utility model.
[0026] In the diagram: 1. Fan frame; 2. First fixing seat; 3. Second fixing seat; 4. Fan blade; 5. Vertical connecting seat; 6. Shaft core; 7. Magnetic strip; 8. Motor housing; 9. Silicon steel sheet; 10. Upper wire frame; 11. Lower wire frame; 12. PCBA board; 13. Coil; 14. Terminal block; 15. Raised ring; 16. Shaft seat; 17. Through hole; 18. Upper mounting step; 19. Lower mounting step; 20. First ball bearing; 21. First copper washer; 22. Iron ring buckle; 23. Buckle groove; 24. Second ball bearing; 25. Second copper washer; 26. Spring; 27. Connecting rib; 28. Wiring groove; 29. Slot; 30. Iron wire clip; 31. Insulating sheet; 32. Guide mounting angle. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0028] Please see Figures 1-8 A fan with a fault alarm function includes a fan frame 1. The fan frame 1 has a first fixed seat 2 and a second fixed seat 3. The first fixed seat 2 is fixedly connected to the fan frame 1. Several fan blades 4 are fixedly connected to the side of the second fixed seat 3. A vertical connecting seat 5 is fixedly connected to the side of the first fixed seat 2 facing the second fixed seat 3. A shaft core 6 is rotatably connected to the vertical connecting seat 5 on the side of the second fixed seat 3 near the first fixed seat 2. A motor housing 8 is fixedly installed in the second fixed seat 3. A magnetic strip 7 is fixedly installed on the inner side wall of the motor housing 8. A silicon steel sheet 9 is fixedly installed on the side of the vertical connecting seat 5. An upper wire frame 10 and a lower wire frame 11 are respectively provided on the upper and lower sides of the silicon steel sheet 9. A coil 13 is wound between the upper wire frame 10 and the lower wire frame 11. A PCBA board 12 that communicates with the coil 13 and has an alarm effect is fixedly installed in the first fixed seat 2. A terminal block 14 that communicates with the PCBA board 12 is provided on the side of the fan frame 1.
[0029] Specifically, the wiring is connected via terminal block 14, such as... Figure 8 As shown, D1 and D2 are disconnected during overall operation, and D1 and D2 are closed when the fan blade 4 is locked. During normal operation, there is no alarm and the external indicator light is off. When the machine is locked, an alarm is triggered and the external indicator light illuminates. In conjunction with the PCBA board 12 with alarm function, the fault alarm effect of the fan is achieved. When the fan is working, the external switch of the coil 13 is turned on, the coil 13 is energized, and a magnetic field is formed between the magnetic strip 7, silicon steel sheet 9 and the coil 13, which drives the shaft core 6 to rotate. The shaft core 6 drives the first fixed seat 2 and the fan blade 4 to rotate. The overall fan is small in size and light in weight, making it easy to install.
[0030] As a technical optimization of this utility model, the second fixed seat 3 is provided with a protruding ring 15 on the side close to the first fixed seat 2, and a shaft seat 16 is fixedly installed at one end of the shaft core 6. The shaft seat 16 is fixedly installed inside the protruding ring 15, which facilitates the installation and fixation of the first fixed seat 2 and the shaft core 6.
[0031] As a technical optimization of this utility model, one end of the vertical connecting seat 5 passes through the first fixed seat 2 and has a through hole 17 adapted to the shaft core 6. The two ends of the through hole 17 are respectively provided with an upper mounting step 18 and a lower mounting step 19. The shaft core 6 is fixedly installed with a first ball bearing 20 and a second ball bearing 24 located in the upper mounting step 18 and the lower mounting step 19 respectively. The shaft core 6 is inserted into the through hole 17, and the two ends of its sides are provided with a first ball bearing 20 and a second ball bearing 24. The first ball bearing 20 and the second ball bearing 24 are respectively installed at the positions of the upper mounting step 18 and the lower mounting step 19 to ensure the stability of the shaft core 6 when rotating.
[0032] As a technical optimization of this utility model, a first copper washer 21 adapted to the second ball 24 is sleeved on the side of the shaft core 6 away from the second fixed seat 3. A plurality of iron ring buckles 22 for limiting the iron ring buckles 22 and the second ball 24 are sleeved on the side of the shaft core 6 away from the second fixed seat 3. A buckle groove 23 adapted to the plurality of iron ring buckles 22 is opened on the side of the shaft core 6. The plurality of iron ring buckles 22 are used to limit and fix the second ball 24, and at the same time limit and fix the shaft core 6.
[0033] As a technical optimization of this utility model, the first ball bearing 20 is closely attached to the second copper washer 25 sleeved on the side of the shaft core 6. The second copper washer 25 and the convex ring 15 are provided with a spring 26 sleeved on the side of the shaft core 6. The spring 26 improves the stability of the fan blade 4 when it rotates.
[0034] As a technical optimization of this utility model, a number of connecting ribs 27 are fixedly connected between the inner side wall of the fan frame 1 and the side of the first fixed seat 2. A wiring groove 28 for wiring is opened on the side of one connecting rib 27. A slot 29 is opened on the side of the wiring groove 28. A wire clip 30 that matches the slot 29 is clipped on the side of the connecting rib 27. The connecting wire is routed through the wiring groove 28 and clipped into the slot 29 by the wire clip 30 to limit and fix the connecting wire.
[0035] As a technical optimization of this utility model, the first fixed base 2 is provided with an insulating sheet 31 with insulating effect, and the end of the shaft core 6 away from the second fixed base 3 is provided with a guide installation angle 32 for easy installation. The insulating sheet 31 improves the safety of the overall device, and the guide installation angle 32 facilitates the installation and guidance of the shaft core 6.
[0036] All of the electrical products mentioned above can be purchased from the market. They are mature technologies and have been fully disclosed, so they will not be repeated in the instruction manual. All of the electrical products mentioned above are equipped with power cords, and they are electrically connected to the external main controller and 220V phase voltage through the power cords. The main controller can be a conventional known device such as a computer that plays a control role.
[0037] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A fan with a fault alarm function, characterized in that, The fan frame (1) includes a first fixed seat (2) and a second fixed seat (3) inside the fan frame (1). The first fixed seat (2) is fixedly connected inside the fan frame (1). Several fan blades (4) are fixedly connected to the side of the second fixed seat (3). A vertical connecting seat (5) is fixedly connected to the side of the first fixed seat (2) facing the second fixed seat (3). A shaft (6) is rotatably connected to the side of the second fixed seat (3) near the first fixed seat (2). A motor housing is fixedly installed inside the second fixed seat (3). (8) A magnetic strip (7) is fixedly installed on the inner wall of the motor housing (8). A silicon steel sheet (9) is fixedly installed on the side of the vertical connecting seat (5). An upper wire frame (10) and a lower wire frame (11) are respectively provided on the upper and lower sides of the silicon steel sheet (9). A coil (13) is wound between the upper wire frame (10) and the lower wire frame (11). A PCBA board (12) that communicates with the coil (13) and has an alarm effect is fixedly installed in the first fixed seat (2). A terminal block (14) that communicates with the PCBA board (12) is provided on the side of the fan frame (1).
2. A fan with fault alarm function according to claim 1, characterized in that, The second fixing seat (3) has a protruding ring (15) on the side close to the first fixing seat (2), and a shaft seat (16) is fixedly installed at one end of the shaft core (6), and the shaft seat (16) is fixedly installed inside the protruding ring (15).
3. A fan with fault alarm function according to claim 1, characterized in that, The vertical connecting seat (5) has a through hole (17) that fits the shaft core (6) through the first fixed seat (2) at one end. The two ends of the through hole (17) are respectively provided with an upper mounting step (18) and a lower mounting step (19). The shaft core (6) is fixedly installed with a first ball (20) and a second ball (24) located in the upper mounting step (18) and the lower mounting step (19) respectively.
4. A fan with fault alarm function according to claim 3, characterized in that, The side of the shaft core (6) away from the second fixed seat (3) is fitted with a first copper washer (21) that is compatible with the second ball (24). The side of the shaft core (6) away from the second fixed seat (3) is fitted with a plurality of iron ring buckles (22) for limiting the iron ring buckles (22) and the second ball (24). The side of the shaft core (6) is provided with buckle grooves (23) that are compatible with the plurality of iron ring buckles (22).
5. A fan with fault alarm function according to claim 3, characterized in that, The first ball (20) has a second copper washer (25) fitted on the side of the shaft core (6) on one side, and a spring (26) fitted on the side of the shaft core (6) is provided between the second copper washer (25) and the convex ring (15).
6. A fan with fault alarm function according to claim 1, characterized in that, A plurality of connecting ribs (27) are fixedly connected between the inner side wall of the fan frame (1) and the side of the first fixed seat (2). A wiring groove (28) for wiring is provided on the side of one of the connecting ribs (27). A slot (29) is provided on the side of the wiring groove (28). A wire clip (30) that is compatible with the slot (29) is snapped into the side of the connecting rib (27).
7. A fan with fault alarm function according to claim 1, characterized in that, The first fixing seat (2) is provided with an insulating sheet (31) with an insulating effect, and the end of the shaft core (6) away from the second fixing seat (3) is provided with a guide mounting angle (32) for easy installation.
Citation Information
Patent Citations
Cooling tower fan with fault alarm function
CN215860867U