CN219433846U - Radiator with double-blade fan - Google Patents
Radiator with double-blade fan Download PDFInfo
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- CN219433846U CN219433846U CN202320039594.1U CN202320039594U CN219433846U CN 219433846 U CN219433846 U CN 219433846U CN 202320039594 U CN202320039594 U CN 202320039594U CN 219433846 U CN219433846 U CN 219433846U
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Abstract
The utility model relates to the technical field of radiators, in particular to a radiator with a double-blade fan, which comprises an aluminum base, radiating fins integrally fixed on the aluminum base, a radiating fan arranged in the middle of the upper end of the aluminum base and a first fan blade seat arranged above the radiating fan, wherein a transmission shaft with a hollow inside is rotatably arranged in the middle of the radiating fan. According to the utility model, the original single-layer fan blade structure on the radiator is improved into a double-layer foldable fan blade structure, and meanwhile, the cross vertical groove, the cross sliding block, the plastic spiral extrusion spring, the magnetic attraction block, the soft iron core and the electrified coil are arranged among the transmission shaft, the second fan blade seat and the base, so that the contact area between the fan blade and the air can be increased when the temperature is higher than a normal range, the flow exchange rate of heat between the radiator and the air is accelerated, the radiator can be dynamically in a constant range when in work, the working stability and the working performance of the radiator are improved, and the service life of the radiator is prolonged.
Description
Technical Field
The utility model relates to the technical field of radiators, in particular to a radiator with a double-blade fan.
Background
The radiator is a device or instrument for timely transferring heat generated by machines or other appliances in the working process to avoid affecting the normal working of the machines or other appliances, and the common radiator can be divided into various types such as air cooling, heat pipe radiator, liquid cooling, semiconductor refrigeration, compressor refrigeration and the like according to a heat radiation mode. Most of the existing heat dissipation fans used on the radiator are of single-layer blade structures, when the temperature is higher than the normal range, the heat dissipation efficiency is improved by increasing the rotation speed of the heat dissipation fans, so that heat flow exchange between the radiator and air is accelerated, but when the heat dissipation fans work in a high-load state for a long time, the working performance and the service life of the heat dissipation fans are reduced.
In view of the above, it is important to design and manufacture a heat dissipating fan capable of automatically adjusting the contact area between the fan blade and the air according to the actual temperature condition
Disclosure of Invention
The utility model aims at: in order to solve the problems that the prior radiator fan used on the radiator is difficult to increase the contact area between the blades and the air when the temperature is higher than a normal value and the radiating efficiency is to be improved, the radiator with the double-blade fan is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a radiator with two blade fans, includes aluminium base, integrative heat radiation fins who fixes on aluminium base, the heat dissipation fan of setting in aluminium base upper end middle part and the first flabellum seat of setting in heat dissipation fan top, the middle part rotation of heat dissipation fan is installed inside and is hollow form transmission shaft, zhou Dengjiao degrees fixedly connected with a plurality of fixed blocks outside the lower extreme of first flabellum seat, a plurality of the outside of fixed block is fixedly connected with first blade respectively, the outside of transmission shaft is located the below movable mounting of first flabellum seat and the crisscross coincident second flabellum seat of a plurality of fixed blocks, the outside of second flabellum seat is located fixedly connected with second blade between the space department of a plurality of first blades, be provided with the drive division that makes the vertical motion of second flabellum seat between aluminium base and the transmission shaft.
As a further description of the above technical solution:
the driving part comprises a cross vertical groove formed in the middle of the upper end of the transmission shaft, a cross sliding block which is fixed on the inner side of the second fan blade seat and corresponds to the cross vertical groove, and a plastic spiral extrusion spring which is arranged between the inner side of the transmission shaft and the lower end of the cross sliding block.
As a further description of the above technical solution:
the driving part also comprises a soft iron core fixed at the upper end of the aluminum base and positioned at the inner side of the transmission shaft, an electrifying coil uniformly wound outside the soft iron core and a magnetic attraction block fixed at the middle part of the cross slide block and coaxial with the soft iron core.
As a further description of the above technical solution:
the aluminum base is provided with an electric control part for controlling the driving part to automatically work according to the temperature condition.
As a further description of the above technical solution:
the electric control part comprises a patch type temperature sensor arranged in the middle of the lower end of the aluminum base, an MCU arranged at the rear end of the aluminum base and a connecting wire harness arranged on the MCU.
As a further description of the above technical solution:
the output end of the patch type temperature sensor is electrically connected with the input end of the MCU through a wire, and the output end of the MCU is electrically connected with the input ends of the cooling fan and the electrified coil through wires respectively.
As a further description of the above technical solution:
the lower extreme of aluminium base has seted up the interior catching groove that is used for the hidden installation of paster type temperature sensor, the lower extreme middle part of aluminium base is filled with the heat conduction silicone grease that covers paster type temperature sensor.
As a further description of the above technical solution:
the outside fixedly connected with a plurality of equiangular distribution's of cooling fan mounting bracket, the mounting bracket passes through the screw fixation on aluminum base.
As a further description of the above technical solution:
the mounting frame is made of PC/ABS alloy material.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, the original single-layer fan blade structure on the radiator is improved into a double-layer foldable fan blade structure, and meanwhile, the cross vertical groove, the cross sliding block, the plastic spiral extrusion spring, the magnetic attraction block, the soft iron core and the electrified coil are arranged among the transmission shaft, the second fan blade seat and the base, when the electrified coil is electrified, the soft iron core can generate electromagnetic force, the second fan blade seat can move downwards on the transmission shaft under the action of magnetic attraction force between the soft iron core and the magnetic attraction block, at the moment, the second fan blade on the second fan blade seat can move downwards, the whole area of the fan blade structure can be increased, the contact area between the fan blade and air can be increased when the temperature is higher than a normal range, the flow exchange rate of heat between the radiator and the air is accelerated, the radiator can be dynamically in a constant range when in operation, the working stability and the working performance of the radiator are improved, and the service life of the radiator is prolonged.
2. According to the utility model, the surface-mounted temperature sensor and the MCU are arranged on the aluminum base, the surface-mounted temperature sensor can monitor the temperature condition between the chip and the interlayer of the aluminum base in real time, and transmit temperature data to the MCU in real time for analysis and calculation, when the temperature is higher than a normal working range, the MCU can control the heat dissipation fan to increase the rotating speed, and can control the energizing coil to energize, so that the second fan blade seat integrally moves downwards, and the heat dissipation of the radiator is comprehensively accelerated, so that the radiator can be quickly restored to the normal working temperature range.
Drawings
Fig. 1 is a schematic diagram of a radiator with a double-vane fan according to the present utility model;
FIG. 2 is a perspective view of the present utility model;
FIG. 3 is a schematic diagram illustrating the disassembly of a heat dissipating fan according to the present utility model;
FIG. 4 is a front view in section with a schematic illustration broken away of the present utility model;
FIG. 5 is a schematic diagram illustrating the operation of the fan blade of the heat dissipating fan in a perspective view after being partially unfolded;
FIG. 6 is a schematic bottom view of the fan blade with a partially expanded blade according to the present utility model;
fig. 7 is a schematic vertical sectional view of a transmission shaft, a first fan blade seat and a second fan blade seat in the present utility model.
Legend description:
1. an aluminum base; 101. a heat radiation fin; 102. an inner buckling groove; 103. heat conductive silicone grease; 2. a heat radiation fan; 201. a transmission shaft; 202. cross vertical grooves; 203. a mounting frame; 3. a first fan blade seat; 301. a fixed block; 302. a first blade; 4. a second fan blade seat; 401. a second blade; 402. a cross slide block; 403. a magnetic suction block; 5. a patch type temperature sensor; 6. an MCU; 601. connecting the wire harness; 7. a soft iron core; 701. a power-on coil; 8. plastic spiral extrusion springs.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a radiator with two blade fans, including aluminium base 1, the radiator fin 101 of integrative fixing on aluminium base 1, the radiator fan 2 of setting in aluminium base 1 upper end middle part and the first flabellum seat 3 of setting in radiator fan 2 top, the inside transmission shaft 201 that is hollow form is installed in the middle part rotation of radiator fan 2, zhou Dengjiao degrees fixedly connected with a plurality of fixed blocks 301 outside the lower extreme of first flabellum seat 3, the outside of a plurality of fixed blocks 301 is fixedly connected with first blade 302 respectively, the outside of transmission shaft 201 is located the below movable mounting of first flabellum seat 3 and is overlapped with a plurality of fixed block 301 is crisscross second flabellum seat 4, fixedly connected with second blade 401 between the space department of a plurality of first blades 302 is located in the outside of second flabellum seat 4, be provided with the drive division that makes the vertical motion of second flabellum seat 4 between aluminium base 1 and the transmission shaft 201.
Specifically, as shown in fig. 4 and 7, the driving portion includes a cross vertical slot 202 formed in the middle of the upper end of the transmission shaft 201, a cross slider 402 fixed inside the second fan blade seat 4 and corresponding to the cross vertical slot 202, and a plastic spiral extrusion spring 8 installed between the inside of the transmission shaft 201 and the lower end of the cross slider 402, after the power-on coil 701 is powered off, the electromagnetic force of the soft iron core 7 disappears, so that the second fan blade seat 4 is integrally reset to the initial state, and meanwhile, the spiral extrusion spring made of plastic material can reduce the magnetic interference of the magnetic attraction block 403 and the soft iron core 7 on the plastic spiral extrusion spring 8, and the driving portion further includes a soft iron core 7 fixed at the upper end of the aluminum base 1 and located inside the transmission shaft 201, a power-on coil 701 uniformly wound around the outside of the soft iron core 7, and a magnetic attraction block 403 fixed in the middle of the cross slider 402 and coaxial with the soft iron core 7, when the power-on coil 701 is powered on, the soft iron core 7 generates electromagnetic force, and the soft iron core 7 attracts the magnetic attraction block 403 on the cross slider 402 to move downwards, so that the second fan blade seat 4 and the first fan blade seat 3 is staggered with the first fan blade seat 3, and the electromagnetic interference of other devices can be reduced.
Specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 7, the aluminum base 1 is provided with an electric control part for controlling the driving part to automatically work according to the temperature condition, the electric control part comprises a patch type temperature sensor 5 installed in the middle of the lower end of the aluminum base 1, an MCU6 installed at the rear end of the aluminum base 1 and a connection harness 601 installed on the MCU6, the output end of the patch type temperature sensor 5 is electrically connected with the input end of the MCU6 through a wire, the output end of the MCU6 is electrically connected with the input ends of the heat dissipation fan 2 and the power-on coil 701 respectively, when the patch type temperature sensor 5 works, the temperature data of the chip can be detected in real time, and the temperature data can be transmitted to the MCU6 in real time, after the MCU6 analyzes and calculates the temperature data, the heat dissipation fan 2 and the power-on coil 701 can be controlled to work correspondingly, and thus the working state of the heat dissipation device is automatically controlled.
Specifically, as shown in fig. 2, an inner buckling groove 102 for hiding and installing the patch type temperature sensor 5 is formed in the lower end of the aluminum base 1, a heat conduction silicone grease 103 for covering the patch type temperature sensor 5 is filled in the middle of the lower end of the aluminum base 1, and the heat conduction silicone grease 103 improves the heat conduction coverage and effect between the chip and the aluminum base 1 and between the chip and the patch type temperature sensor 5.
Specifically, as shown in fig. 3, fig. 4, fig. 5 and fig. 7, the outer side of the cooling fan 2 is fixedly connected with a plurality of mounting frames 203 distributed at equal angles, the mounting frames 203 are fixed on the aluminum base 1 through screws, the plurality of mounting frames 203 distributed at equal angles can stably support the cooling fan 2 and prop up the middle part of the upper end of the aluminum base 1, meanwhile, the mounting frames 203 are made of PC/ABS alloy materials, the PC/ABS alloy materials are thermoplastic plastics formed by Polycarbonate (PC) and polypropylene (ABS) alloy, the excellent characteristics of the two materials are combined, the formability of the ABS materials and the mechanical, impact strength, heat resistance, ultraviolet resistance and other properties of the PC are combined, and compared with the mounting frames 203 made of metal materials, the mounting frames 203 made of the material have better vibration resistance and energy absorption effects, so that the working vibration and abnormal sound of the cooling fan 2 in the working process of the radiator are reduced.
Working principle: when in use, the heat conduction silicone grease 103 is filled between the lower end of the aluminum base 1 and the patch type temperature sensor 5, the aluminum base 1 can be aligned and covered on a chip on a circuit board, then the aluminum base 1 can be installed on the circuit board through screws, finally the connecting wire harness 601 is connected to the circuit board, the installation operation of the radiator is completed, in the daily use process, the heat generated in the working process of the chip can be uniformly conducted to the aluminum base 1 and the heat dissipation fins 101 by the heat conduction silicone grease 103, meanwhile, the heat dissipation fan 2 can drive the first fan blade seat 3 and the second fan blade seat 4 to synchronously rotate through the transmission shaft 201, so as to drive the first fan blade 302 and the second fan blade 401 to synchronously rotate, thereby accelerating the flow exchange rate between air and the aluminum base 1 and the heat dissipation fins 101, conducting and heat dissipation treatment is carried out on the chip, the chip temperature sensor 5 under the aluminum base 1 can monitor the temperature condition of the chip in real time and transmit the temperature data to the MCU6 in real time, the MCU6 can analyze and calculate the transmitted data, when the temperature data is higher than the normal range, the MCU6 can control the rotation speed of the heat dissipation fan 2 to be increased, meanwhile, the electrifying coil 701 can be controlled to electrify, the soft iron core 7 can generate electromagnetic force when the electrifying coil 701 is electrified, under the effect of magnetic attraction between the soft iron core 7 and the magnetic attraction block 403, the cross slide block 402 on the second fan blade seat 4 can slide downwards to the lowest position in the cross vertical groove 202 on the transmission shaft 201, at the moment, the second fan blade seat 4 can be unfolded downwards from the first fan blade seat 3, the plurality of first blades 302 and the second blades 401 can be distributed in a staggered manner, the contact area between the whole fan blade structure and the air can be increased, and therefore the heat radiator can be quickly restored to the normal temperature range, when the temperature is in the normal range, the MCU6 can control the heat dissipation fan 2 to work continuously at the rated rotation speed, and simultaneously control the power-on coil 701 to be powered off, at this time, under the action of the elastic force of the plastic spiral extrusion spring 8, the second fan blade seat 4 will reset upwards to the initial state, at this time, the first fan blade seat 3 and the second fan blade seat 4 will be overlapped together, and the plurality of first blades 302 and the second blades 401 will be in the same horizontal plane.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. The utility model provides a radiator with double-bladed fan, includes aluminium base (1), integrative heat radiation fins (101) of fixing on aluminium base (1), sets up heat dissipation fan (2) at aluminium base (1) upper end middle part and sets up first flabellum seat (3) in heat dissipation fan (2) top, a serial communication port, the middle part rotation of heat dissipation fan (2) is installed inside and is hollow form transmission shaft (201), zhou Dengjiao degrees fixedly connected with a plurality of fixed blocks (301) outside the lower extreme of first flabellum seat (3), a plurality of the outside of fixed block (301) is fixedly connected with first blade (302) respectively, the outside of transmission shaft (201) is located the below movable mounting of first flabellum seat (3) and is overlapped second flabellum seat (4) with a plurality of fixed block (301) are crisscross, fixedly connected with second blade (401) between the space department that the outside of second flabellum seat (4) is located a plurality of first blade (302), be provided with between aluminium base (1) and transmission shaft (201) and make second flabellum seat (4) vertical motion's drive portion.
2. The radiator with the double-blade fan according to claim 1, wherein the driving part comprises a cross vertical groove (202) formed in the middle of the upper end of the transmission shaft (201), a cross sliding block (402) fixed on the inner side of the second fan blade seat (4) and corresponding to the cross vertical groove (202), and a plastic spiral extrusion spring (8) arranged between the inner side of the transmission shaft (201) and the lower end of the cross sliding block (402).
3. A radiator with a double-bladed fan according to claim 2, characterized in that the driving part further comprises a soft iron core (7) fixed at the upper end of the aluminum base (1) and positioned at the inner side of the transmission shaft (201), an energizing coil (701) uniformly wound around the outer part of the soft iron core (7), and a magnetic attraction block (403) fixed at the middle part of the cross slide block (402) and coaxial with the soft iron core (7).
4. A radiator with a double-bladed fan according to claim 3, characterized in that the aluminium base (1) is provided with an electric control which controls the automatic operation of the drive according to the temperature conditions.
5. The radiator with the double-blade fan according to claim 4, wherein the electric control part comprises a patch type temperature sensor (5) installed in the middle of the lower end of the aluminum base (1), an MCU (6) installed at the rear end of the aluminum base (1), and a connection harness (601) installed on the MCU (6).
6. The radiator with the double-blade fan according to claim 5, wherein the output end of the patch type temperature sensor (5) is electrically connected with the input end of the MCU (6) through a wire, and the output end of the MCU (6) is electrically connected with the input ends of the heat dissipation fan (2) and the energizing coil (701) through wires respectively.
7. The radiator with the double-blade fan according to claim 4, wherein an inner buckling groove (102) for hiding and installing the patch type temperature sensor (5) is formed in the lower end of the aluminum base (1), and heat conduction silicone grease (103) for covering the patch type temperature sensor (5) is filled in the middle of the lower end of the aluminum base (1).
8. The radiator with the double-blade fan according to claim 1, wherein a plurality of mounting frames (203) distributed at equal angles are fixedly connected to the outer side of the radiating fan (2), and the mounting frames (203) are fixed on the aluminum base (1) through screws.
9. A radiator with a double-bladed fan according to claim 8, characterized in that the mounting frame (203) is made of PC/ABS alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320039594.1U CN219433846U (en) | 2023-01-08 | 2023-01-08 | Radiator with double-blade fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320039594.1U CN219433846U (en) | 2023-01-08 | 2023-01-08 | Radiator with double-blade fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219433846U true CN219433846U (en) | 2023-07-28 |
Family
ID=87333887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320039594.1U Active CN219433846U (en) | 2023-01-08 | 2023-01-08 | Radiator with double-blade fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219433846U (en) |
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2023
- 2023-01-08 CN CN202320039594.1U patent/CN219433846U/en active Active
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