CN219176603U

CN219176603U - EC radiator fan structure

Info

Publication number: CN219176603U
Application number: CN202223495933.1U
Authority: CN
Inventors: 陶友仁
Original assignee: Shenzhen Fengda Electronic Technology Co ltd
Current assignee: Shenzhen Fengda Electronic Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-13
Anticipated expiration: 2032-12-27

Abstract

An EC radiator fan structure relates to the technical field of EC radiator fans. The novel magnetic induction type electric fan comprises a protective shell, a PCB, a coil group, a magnetic stripe group, an axle center and fan blades, wherein the fan blades are arranged on the axle center, the axle center is connected with the coil group, the outer side of the coil group is in clearance fit with the magnetic stripe group, the PCB is arranged in the protective shell, and a boss is arranged at the outer end of the protective shell. The utility model has the beneficial effects that: according to the equipment, the boss is outwards extended from the shell, so that the installation space of the internal motor is increased, and the motor element can be installed more outwards, so that the heat dissipation capacity of the equipment is guaranteed, and the service life of the equipment is prolonged.

Description

EC radiator fan structure

Technical Field

The utility model relates to the technical field of EC cooling fans, in particular to an EC cooling fan structure.

Background

The EC fan is a direct current fan, but is different from a common direct current fan, is a direct current fan which can be directly externally connected with an AC power supply, is different from other direct current fans, and can be powered by using direct current voltage and alternating current voltage. The voltage can be used from 12v,24v and 48v to 110v and 380v, without any inverter conversion. All the motors of the parts are power direct current power supply, built-in direct current to alternating current, rotor position feedback, three-phase alternating current, permanent magnet and synchronous motor, and the EC fan has the following advantages:

the EC motor is a direct-current brushless maintenance-free motor with an intelligent control module, and is provided with an RS485 output interface, a 0-10V sensor output interface, a 4-20mA speed regulation switch output interface, an alarm device output interface and a master-slave signal output interface, so that the brushless direct-current motor is greatly simplified in structure because a collecting ring and an electric brush for excitation are omitted. Meanwhile, the manufacturability of the motor is improved, the mechanical reliability of the motor in operation is greatly enhanced, and the service life is prolonged. Meanwhile, the air gap magnetic density can be greatly improved, the motor index can realize the optimal design, and the direct effect is that the motor volume is reduced and the weight is reduced. Furthermore, the motor has very excellent control performance compared with other motors.

In the prior art, due to the reasons of the outer shell, the technical characteristics and the like of the EC, the inner space of the EC is relatively small, the installation space of the inner element of the EC is relatively small, the EC is inconvenient for workers to install, and the heat dissipation capacity of the EC is affected.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the inner space of the EC is relatively small due to the reasons of the outer shell, the technical characteristics and the like, the installation space of the inner element is relatively small, the installation of workers is inconvenient, and the heat dissipation capacity of the equipment is affected, and provides an EC heat dissipation fan structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the EC radiator fan structure comprises a protective casing 1, a PCB 3, a coil assembly 4, a magnetic strip assembly 5, an axle center 6 and fan blades 7, wherein the fan blades 7 are arranged on the axle center 6, the axle center 6 is connected with the coil assembly 4, the outer side of the coil assembly 4 is in clearance fit with the magnetic strip assembly 5, the PCB 3 is arranged in the protective casing 1, and a boss 101 is arranged at the outer end of the protective casing 1.

Further, the protective housing 1 and the boss 101 are in an integrated structure. The boss 101 increases the installation space of the internal motor on the one hand, and on the other hand, enables the coil assembly 4 to be installed more outwards, so that the heat dissipation capacity of the coil assembly 4 is guaranteed, and the service life of the device is prolonged.

Further, a copper middle tube 2 is installed in the protective shell 1, and a PCB 3 is arranged on the copper middle tube 2. The copper middle tube 2 is used for installing and protecting the PCB 3, and ensures the safety of the PCB 3.

Further, the coil assembly 4 includes a lower bobbin 41, a silicon steel sheet 42, and an upper bobbin 43, wherein the lower bobbin 41 is connected with the upper bobbin 43, and the silicon steel sheet 42 is disposed between the lower bobbin 41 and the upper bobbin 43. The silicon steel sheet 42 is a ferrosilicon soft magnetic alloy with extremely low carbon content, and the silicon content is generally 0.5-4.5%. The addition of silicon can improve the resistivity and the maximum permeability of iron and reduce the coercive force, the iron core loss and the magnetic aging.

Further, the magnetic stripe group 5 includes a magnetic stripe housing 51 and an inner magnetic stripe 52, and the inner magnetic stripe 52 is disposed in the magnetic stripe housing 51. The coil assembly 4 is matched with the magnetic strip assembly 5 so as to be used as motor power.

The working principle of the utility model is as follows: when manufacturing protective housing 1, outwards punching press out boss 101 with its protective housing 1, boss 101 can make things convenient for the staff to install inside electronic component to make its coil pack 4 more outside with the mounted position of magnetic stripe group 5, thereby guaranteed coil pack 4 and magnetic stripe group 5's heat dispersion, and then guaranteed the holistic life of equipment, when equipment used, PCB board 3 makes things convenient for the staff to drive control equipment.

After the technical scheme is adopted, the utility model has the beneficial effects that: according to the equipment, the boss is outwards extended from the shell, so that the installation space of the internal motor is increased, and the motor element can be installed more outwards, so that the heat dissipation capacity of the equipment is guaranteed, and the service life of the equipment is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the back view structure of the present utility model.

Fig. 3 is a schematic view of an exploded state based on fig. 1.

Reference numerals illustrate: the magnetic strip coil comprises a protective shell 1, a copper middle tube 2, a PCB 3, a coil group 4, a magnetic strip group 5, an axle center 6, fan blades 7, a boss 101, a lower wire frame 41, a silicon steel sheet 42, an upper wire frame 43, a magnetic strip shell 51 and an inner magnetic strip 52.

Detailed Description

Referring to fig. 1-3, the technical scheme adopted in the specific embodiment is as follows: the novel magnetic induction type electric motor comprises a protective shell 1, a PCB 3, a coil group 4, a magnetic strip group 5, an axle center 6 and fan blades 7, wherein the fan blades 7 are arranged on the axle center 6, the axle center 6 is connected with the coil group 4, the outer side of the coil group 4 is in clearance fit with the magnetic strip group 5, the PCB 3 is arranged in the protective shell 1, and a boss 101 is arranged at the outer end of the protective shell 1.

More specifically, the protective housing 1 and the boss 101 are integrally formed. The boss 101 increases the installation space of the internal motor on the one hand, and on the other hand, enables the coil assembly 4 to be installed more outwards, so that the heat dissipation capacity of the coil assembly 4 is guaranteed, and the service life of the device is prolonged.

More specifically, the copper middle tube 2 is installed in the protective housing 1, and the PCB board 3 is disposed on the copper middle tube 2. The copper middle tube 2 is used for installing and protecting the PCB 3, and ensures the safety of the PCB 3.

More specifically, the coil assembly 4 includes a lower bobbin 41, silicon steel sheets 42, and an upper bobbin 43, wherein the lower bobbin 41 is connected to the upper bobbin 43, and the silicon steel sheets 42 are disposed between the lower bobbin 41 and the upper bobbin 43. The silicon steel sheet 42 is a ferrosilicon soft magnetic alloy with extremely low carbon content, and the silicon content is generally 0.5-4.5%. The addition of silicon can improve the resistivity and the maximum permeability of iron and reduce the coercive force, the iron core loss and the magnetic aging.

More specifically, the magnetic stripe group 5 includes a magnetic stripe housing 51 and an inner magnetic stripe 52, and the inner magnetic stripe 52 is disposed in the magnetic stripe housing 51. The coil assembly 4 is matched with the magnetic strip assembly 5 so as to be used as motor power.

The above description is only for the purpose of illustrating the technical solution of the present utility model and not for the purpose of limiting the same, and other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. An EC radiator fan structure, characterized in that: the novel magnetic strip protective device comprises a protective housing (1), a PCB (printed circuit board) plate (3), a coil assembly (4), a magnetic strip assembly (5), an axle center (6) and fan blades (7), wherein the fan blades (7) are arranged on the axle center (6), the axle center (6) is connected with the coil assembly (4), the outer side of the coil assembly (4) is in clearance fit with the magnetic strip assembly (5), the PCB plate (3) is arranged in the protective housing (1), and a boss (101) is arranged at the outer end of the protective housing (1).

2. An EC radiator fan structure according to claim 1, wherein: the protective shell (1) and the boss (101) are of an integrated structure.

3. An EC radiator fan structure according to claim 1, wherein: the copper middle tube (2) is arranged in the protective shell (1), and the PCB (3) is arranged on the copper middle tube (2).

4. An EC radiator fan structure according to claim 1, wherein: the coil assembly (4) comprises a lower wire frame (41), silicon steel sheets (42) and an upper wire frame (43), wherein the lower wire frame (41) is connected with the upper wire frame (43), and the silicon steel sheets (42) are arranged between the lower wire frame (41) and the upper wire frame (43).

5. An EC radiator fan structure according to claim 1, wherein: the magnetic stripe group (5) comprises a magnetic stripe shell (51) and an inner magnetic stripe (52), and the inner magnetic stripe (52) is arranged in the magnetic stripe shell (51).