Cooling fan

Abstract

The utility model discloses a cooling fan which comprises a shell and a fan body arranged in the shell, and further comprises two ventilation side plates symmetrically arranged on the two sides of the shell, and the bottom ends of the ventilation side plates are hinged to the shell. The bottom end of the breathable panel is hinged to the air outlet surface of the shell; the plurality of power-off pushing assemblies are fixedly arranged on the top surface of the inner cavity of the shell and are close to the top ends of the ventilating side plate and the ventilating panel; and the power failure alarm is arranged in the shell and is electrically connected with a power supply line of the equipment. According to the utility model, through arranging the ventilating side plate and the ventilating panel which are hinged on the shell and the plurality of power-off pushing assemblies, when the equipment is powered off due to a fault, the power-off pushing assemblies push the ventilating side plate and the ventilating panel, so that the flowability of air is improved, and the possibility that parts are damaged due to over-high temperature in the equipment is reduced; by arranging the power-off alarm, an alarm is given out when the equipment is powered off, and a user is reminded to handle faults in time.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation fan. Background Art

[0002] A cooling fan is a device used to dissipate heat. Its main function is to reduce the temperature of a heat source by generating airflow. It is usually driven by an electric motor to rotate the blades to generate airflow, thereby removing heat around the heat source and promoting heat conduction and convection.

[0003] Cooling fans are widely used in various fields to help reduce the temperature of equipment. Since some components in the equipment will generate a lot of heat during operation, if the temperature is too high, it may cause equipment performance degradation, damage or even failure. Therefore, cooling fans are an important part of maintaining the normal operation of the equipment and improving the stability of the equipment.

[0004] When a circuit failure occurs in the device and the cooling fan fails to work, it is difficult for the device user to detect and take corresponding measures in the first time. The residual heat in the device accumulates and is difficult to discharge, causing the internal temperature of the device to be too high, which may cause irreversible damage to important components inside the device.

[0005] To this end, the present application specifically proposes a heat dissipation fan to solve the above technical problems. Utility Model Content

[0006] The main purpose of the utility model is to solve the above-mentioned deficiencies and provide a cooling fan. When the cooling fan fails to work due to a circuit failure of the device, the cooling fan can open the air intake and exhaust panels to reduce the accumulation of heat inside the device and send out an alarm to remind the user to handle and repair it as soon as possible.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0008] A cooling fan is arranged at the end of the device, including a shell and a fan arranged in the shell, and also includes: two breathable side panels, symmetrically arranged on both sides of the shell, and the bottom ends of the breathable side panels are hinged to the shell; a breathable panel, the bottom end of which is hingedly arranged on the air outlet surface of the shell; a plurality of power-off push components, fixedly arranged on the top surface of the inner cavity of the shell and close to the top of the breathable side panels and the breathable panel; a power-off alarm, arranged in the shell and electrically connected to the power supply line of the device.

[0009] Furthermore, the power-off pushing assembly includes a retaining frame fixedly arranged on the top surface of the inner cavity of the shell, a first electromagnetic switch fixedly arranged on the retaining frame and with the telescopic end facing the inner surface of the breathable side plate and the breathable panel, and the first electromagnetic switch is electrically connected to the power supply circuit of the device.

[0010] Furthermore, an electromagnet with its magnetic pole facing the inner side of the breathable side plate and the breathable panel is fixedly arranged on the retaining frame, the electromagnet is electrically connected to the power supply circuit of the device, and iron sheets are fixedly arranged at the inner sides of the breathable side plate and the breathable panel corresponding to the electromagnet.

[0011] Furthermore, the fan is electrically connected to a built-in power supply of the power off alarm, and a power off connection component is provided on one of the lines electrically connecting the fan to the power off alarm, and the power off connection component is electrically connected to the power supply line of the device.

[0012] Furthermore, the power-off connection component includes a first power terminal electrically connected to the built-in power supply of the power-off alarm, a second power terminal electrically connected to the motor of the fan, conductive contacts fixedly arranged on the first power terminal and the second power terminal, a second electromagnetic switch fixedly arranged between the first power terminal and the second power terminal, and a conductive block fixedly arranged at the telescopic end of the second electromagnetic switch and corresponding to the conductive contact.

[0013] The beneficial effects of the utility model are embodied in:

[0014] 1. The utility model provides a breathable side plate and a breathable panel hinged on the shell and a plurality of power-off pushing components. When the device is powered off due to a fault, the power-off pushing component pushes the breathable side plate and the breathable panel to reduce the blocking effect on the air in the shell, improve the fluidity of the air, and enable the heat of the device to be dissipated faster, thereby reducing the possibility of damage to components due to excessive temperature in the device; by providing a power-off alarm, when the device is powered off, the power-off alarm sounds an alarm to remind the user to deal with the fault in time, thereby avoiding excessive temperature in the device due to untimely fault handling.

[0015] 2. The utility model provides a power-off connection component to connect the fan to the built-in power supply of the power-off alarm when the device fails and loses power, so that the fan can still run for a period of time and continue to discharge the heat in the device, providing more time for the user to deal with reactions and failures. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 This is a schematic diagram of the installation state of an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the overall structure of another perspective of an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the positional relationship between the power-off driving assembly and the ventilated side panel in one embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of a power-off driving component according to an embodiment of the utility model;

[0022] Figure 6 This is a schematic diagram of the flipping of the ventilated side panel and the ventilated front panel according to one embodiment of the utility model;

[0023] Figure 7 For an embodiment of the utility model Figure 6 A magnified view of the structure at A.

[0024] In the figure: 1. Equipment; 2. Casing; 3. Fan; 4. Breathable side panel; 5. Breathable panel; 6. Power-off push assembly; 61. Retaining frame; 62. First electromagnetic switch; 7. Power-off alarm; 8. Electromagnet; 9. Iron sheet; 10. Power-off connection assembly; 101. First power connection post; 102. Second power connection post; 103. Conductive contact; 104. Second electromagnetic switch; 105. Conductive block. DETAILED DESCRIPTION

[0025] The following will be combined with 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. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] like Figure 1-7 As shown, the utility model provides a heat dissipation fan, which is arranged at the end of the device 1, including a housing 2 and a fan 3 arranged in the housing 2, and also includes:

[0027] Two air-permeable side panels 4 are symmetrically arranged on both sides of the outer shell 2, and the bottom ends of the air-permeable side panels 4 are hinged to the outer shell 2;

[0028] A ventilation panel 5, the bottom end of which is hingedly arranged on the air outlet surface of the housing 2;

[0029] A plurality of power-off push components 6 are fixedly arranged on the top surface of the inner cavity of the housing 2 and close to the top ends of the air-permeable side panels 4 and the air-permeable panel 5;

[0030] The power failure alarm 7 is arranged in the housing 2 and is electrically connected to the power supply circuit of the device 1 .

[0031] When a circuit fault occurs in the device 1 and the power is cut off, the fan 3 also loses power and stops rotating. At this time, the power-off alarm 7 sounds an alarm to remind the user to deal with the fault in time. At the same time, the power-off push component 6 is triggered to push down the breathable side plate 4 and the breathable panel 5 hinged on the shell 2, so that it rotates around the hinge axis. The air in the shell 2 is blocked by a smaller area and is therefore easier to dissipate to the outside, so as to take away as much heat in the device 1 as possible, reducing the possibility of damage to components due to excessive temperature in the device 1.

[0032] It is worth explaining that the power failure alarm 7 is a relatively common prior art, which is widely used in the field of power on and off monitoring. It is generally provided with a built-in power supply, which will not be described in detail here.

[0033] In one embodiment, the power-off push assembly 6 includes a holder 61 fixedly mounted on the top surface of the inner cavity of the housing 2, and a first electromagnetic switch 62 fixedly mounted on the holder 61 and with its telescopic end facing the inner surface of the air-permeable side plate 4 and the air-permeable panel 5, and the first electromagnetic switch 62 is electrically connected to the power supply circuit of the device 1. With this design, when the device 1 is powered off due to a circuit fault, the first electromagnetic switch 62 is also powered off, and its telescopic contact is driven by the spring to extend outward after losing the restraint of the electromagnetic force, thereby pressing the top of the inner surface of the air-permeable side plate 4 and the air-permeable panel 5, so that the air-permeable side plate 4 and the air-permeable panel 5 rotate around their respective hinge axes, thereby making the two sides and the front of the housing 2 in a completely open state, reducing the obstruction to the air in the housing 2, so that it can flow out of the housing 2 more easily, and take away the heat in the device 1 faster.

[0034] In one embodiment, an electromagnet 8 with its magnetic pole facing the inner side of the air-permeable side plate 4 and the air-permeable panel 5 is fixedly arranged on the retaining frame 61, and the electromagnet 8 is electrically connected to the power supply line of the device 1, and an iron sheet 9 is fixedly arranged at the inner side of the air-permeable side plate 4 and the air-permeable panel 5 corresponding to the electromagnet 8. With such a design, when the device 1 is powered on, the electromagnet 8 attracts the iron sheet 9, so that the top of the air-permeable side plate 4 and the air-permeable panel 5 is subjected to tension, and the hinges at the bottom of the air-permeable side plate 4 and the air-permeable panel 5 are fixed to the housing 2; when the device 1 is powered off due to a fault, the electromagnet 8 loses its magnetic force, and the top of the air-permeable side plate 4 and the air-permeable panel 5 is no longer subjected to tension. At this time, the power-off pushing component 6 only needs a small thrust to push down the air-permeable side plate 4 and the air-permeable panel 5.

[0035] In one embodiment, the fan 3 is electrically connected to the built-in power supply of the power-off alarm 7, and a power-off connection component 10 is provided on one of the circuits electrically connected between the fan 3 and the power-off alarm 7, and the power-off connection component 10 is electrically connected to the power supply circuit of the device 1. With this design, when the device 1 loses power due to a fault, the power-off connection component 10 is triggered, and the built-in power supply of the power-off alarm 7 is connected to the fan 3, so that the fan 3 can continue to operate. However, it should be noted that the built-in power supply capacity of the power-off alarm 7 is small and can only maintain the operation of the fan 3 for a short time. The user needs to deal with the fault as much as possible before the built-in power supply of the power-off alarm 7 is exhausted.

[0036] In one embodiment, the power-off connection component 10 includes a first connection post 101 electrically connected to the built-in power supply of the power-off alarm 7, a second connection post 102 electrically connected to the motor of the fan 3, a conductive contact 103 fixedly arranged on the first connection post 101 and the second connection post 102, a second electromagnetic switch 104 fixedly arranged between the first connection post 101 and the second connection post 102, and a conduction block 105 fixedly arranged at the telescopic end of the second electromagnetic switch 104 and corresponding to the conductive contact 103. With such a design, when the device 1 is powered off due to a fault, the second electromagnetic switch 104 is powered off, and pushes the conduction block 105 to contact the conductive contact 103, thereby connecting the built-in power supply of the power-off alarm 7 to one of the connection lines of the motor of the fan 3, while the other connection line is in a normally connected state, at which time the built-in power supply can supply power to the fan 3, realizing the power-off connection function.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0038] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0039] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, "multiple" means more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

Claims

1. A cooling fan, arranged at the end of a device (1), comprising a housing (2) and a fan (3) arranged in the housing (2), characterized in that: Also includes: Two air-permeable side panels (4) are symmetrically arranged on both sides of the outer shell (2), and the bottom ends of the air-permeable side panels (4) are hinged to the outer shell (2); A ventilation panel (5) whose bottom end is hingedly arranged on the air outlet surface of the housing (2); A plurality of power-off push components (6) are fixedly arranged on the top surface of the inner cavity of the housing (2) and close to the top ends of the air-permeable side panels (4) and the air-permeable panel (5); A power failure alarm (7) is arranged in the housing (2) and is electrically connected to the power supply circuit of the device (1).

2. The heat dissipation fan according to claim 1, characterized in that: The power-off push assembly (6) comprises a retaining frame (61) fixedly arranged on the top surface of the inner cavity of the shell (2), and a first electromagnetic switch (62) fixedly arranged on the retaining frame (61) and with its telescopic end facing the inner surface of the breathable side plate (4) and the breathable panel (5), and the first electromagnetic switch (62) is electrically connected to the power supply circuit of the device (1).

3. The heat dissipation fan according to claim 2, characterized in that: The retaining frame (61) is also fixedly provided with an electromagnet (8) with its magnetic pole facing the inner side surface of the breathable side plate (4) and the breathable panel (5); the electromagnet (8) is electrically connected to the power supply circuit of the device (1); and an iron sheet (9) is fixedly provided at the inner side surface of the breathable side plate (4) and the breathable panel (5) corresponding to the electromagnet (8).

4. The heat dissipation fan according to claim 1, characterized in that: The fan (3) is electrically connected to the built-in power supply of the power off alarm (7), and a power off connection component (10) is provided on one of the lines electrically connecting the fan (3) and the power off alarm (7), and the power off connection component (10) is electrically connected to the power supply line of the device (1).

5. The heat dissipation fan according to claim 4, characterized in that: The power-off connection component (10) comprises a first connection post (101) electrically connected to the built-in power supply of the power-off alarm (7), a second connection post (102) electrically connected to the motor of the fan (3), a conductive contact (103) fixedly arranged on the first connection post (101) and the second connection post (102), a second electromagnetic switch (104) fixedly arranged between the first connection post (101) and the second connection post (102), and a conduction block (105) fixedly arranged at the telescopic end of the second electromagnetic switch (104) and corresponding to the conductive contact (103).

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