Fan controller convenient for replacing speed regulation capacitor bank

Abstract

The utility model discloses a fan controller convenient to replace a speed regulation capacitor bank, the fan controller is simple in structure and easy to realize, and the arrangement of a main shell and an auxiliary shell is convenient to form physical protection for a fan control circuit board and the speed regulation capacitor bank after the main shell and the auxiliary shell are connected together; the fan control circuit board is provided with the plug female head, so that the plug female head can be conveniently connected in a plug manner, and the connection and the separation are convenient; according to the scheme, the plug male head is not directly fixed on the auxiliary shell or the speed regulation capacitor bank, but is led out through the wire group, so that the plug male head can be easily connected with the plug female head in a plug manner, and the practicability is good; after the scheme is assembled, when the speed regulation capacitor bank and the auxiliary shell are not easy to separate, the speed regulation capacitor bank and the auxiliary shell can be replaced together during replacement, and when the speed regulation capacitor bank and the auxiliary shell are detachable, the speed regulation capacitor bank can be independently replaced during replacement.

Description

Technical Field

[0001] This utility model relates to a fan controller that facilitates the replacement of speed-regulating capacitor banks. Background Technology

[0002] In the operation of a fan, the speed-regulating capacitor plays a crucial role. Fan speed regulation is mainly achieved by changing the motor's rotational speed to adjust the airflow, and the speed-regulating capacitor plays a key role in this process. It can adjust the current and voltage phase of the motor windings, thereby changing the motor's rotational speed. For example, in an AC asynchronous motor, the speed-regulating capacitor works in conjunction with the motor windings to adjust the strength of the motor's rotating magnetic field and its rotational speed by changing the capacitance value, thus controlling the fan speed and meeting the user's airflow needs in different environments.

[0003] Currently, speed-regulating capacitors on fan control circuit boards are generally soldered directly onto the board. This connection method has several drawbacks. Firstly, when the speed-regulating capacitor fails, the replacement process is extremely cumbersome due to its direct soldering. Repair personnel need to carefully remove the damaged capacitor from the circuit board using specialized tools. This process is not only time-consuming and labor-intensive but also prone to damaging other components on the board, increasing repair costs and difficulty. Secondly, with continuous technological advancements and changing user needs, it may be necessary to adjust the parameters of the speed-regulating capacitor or replace it with a higher-performance capacitor. However, the direct soldering method limits this flexibility, hindering convenient capacitor replacement and upgrades, and impeding product performance improvement and maintenance. Therefore, it is necessary to overcome these shortcomings. Utility Model Content

[0004] This invention overcomes the shortcomings of the above-mentioned technologies and provides a fan controller that facilitates the replacement of speed-regulating capacitor groups.

[0005] A fan controller that facilitates the replacement of a speed-regulating capacitor bank includes a main housing 1 and a secondary housing 2 that are detachably connected together. The main housing 1 is provided with a fan control circuit board 3, which is provided with a female connector 31 for electrical connection of a speed-regulating capacitor bank 4. The secondary housing 2 is provided with the speed-regulating capacitor bank 4, which is connected to a wire group 41. The end of the wire group 41 is provided with a male connector 42 for plugging and connecting with the female connector 31.

[0006] Preferably, the sub-shell 2 is snapped into the main shell 1, or the sub-shell 2 is fixedly connected to the main shell 1 by a first screw 5, or the sub-shell 2 is snapped into the main shell 1 and reinforced by a first screw 5.

[0007] Preferably, the main housing 1 includes a bottom housing 11 and an upper housing 12 that are detachably connected together. After the bottom housing 11 and the upper housing 12 are connected together, they form a receiving cavity for accommodating the fan control circuit board 3 and are provided with a notch 13 for connecting the sub-housing 2.

[0008] Preferably, the upper shell 12 is snapped into the lower shell 11, or the upper shell 12 is fixedly connected to the lower shell 11 by a second screw 6, or the upper shell 12 is snapped into the lower shell 11 and reinforced by a second screw 6.

[0009] Preferably, the speed regulating capacitor group 4 is fixed to the inner wall of the sub-housing 2 by snap-fit ​​or adhesive bonding.

[0010] Preferably, the speed-regulating capacitor group 4 has N speed-regulating capacitors, and the male connector 42 has N+1 pins, where N is a natural number not less than 2. The N first electrical connection terminals of the N speed-regulating capacitors are connected together and then connected to the male connector 42. The N second electrical connection terminals of the N speed-regulating capacitors are respectively connected to the male connector 42. The female connector 31 has correspondingly N+1 pins. To achieve the above objectives, the present invention adopts the following technical solution:

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This design features a simple and easy-to-implement structure. The main housing and sub-housing are designed to provide physical protection for the fan control circuit board and speed-regulating capacitor group when connected together. The female connector on the fan control circuit board facilitates easy connection and disconnection. The male connector is not directly fixed to the sub-housing or the speed-regulating capacitor group, but is led outwards through the wire group, making it easier for the male connector to connect to the female connector, thus improving practicality. After assembly, if the speed-regulating capacitor group and the sub-housing are difficult to separate, they can be replaced together. If they are detachable, the speed-regulating capacitor group can be replaced separately. Attached Figure Description

[0013] Figure 1 This is one of the mechanical structure diagrams in this case.

[0014] Figure 2 This is the second mechanical structure diagram in this case.

[0015] Figure 3 This is a specific circuit diagram for this case. Detailed Implementation

[0016] The following examples provide a more detailed description of the features and other related characteristics of this utility model, to facilitate understanding by those skilled in the art:

[0017] like Figures 1 to 3 As shown, a fan controller that facilitates the replacement of speed-regulating capacitor groups includes a main housing 1 and a secondary housing 2 that are detachably connected together. The main housing 1 is provided with a fan control circuit board 3, which is provided with a female connector 31 for electrical connection of a speed-regulating capacitor group 4. The secondary housing 2 is provided with the speed-regulating capacitor group 4, which is connected to a wire group 41. The end of the wire group 41 is provided with a male connector 42 for plugging and connecting with the female connector 31.

[0018] As described above, the structure of this invention is simple and easy to implement. The main housing 1 and the sub-housing 2 are designed to provide physical protection for the fan control circuit board 3 and the speed-regulating capacitor group 4 after being connected together. The female connector 31 on the fan control circuit board 3 facilitates the connection and disconnection of the female connector 31. The male connector 42 is not directly fixed to the sub-housing 2 or the speed-regulating capacitor group 4, but is led outward through the wire group 41, which makes it easier for the male connector 42 to be connected to the female connector 31, thus improving its practicality. After assembly, if the speed-regulating capacitor group 4 and the sub-housing 2 are difficult to separate, they can be replaced together. If they are detachable, the speed-regulating capacitor group 4 can be replaced separately.

[0019] like Figure 1 , Figure 2 As shown, in specific implementation, the sub-shell 2 is snapped into the main shell 1, or the sub-shell 2 is fixedly connected to the main shell 1 by the first screw 5, or the sub-shell 2 is snapped into the main shell 1 and reinforced by the first screw 5. This is convenient to implement and facilitates detachable connection.

[0020] like Figure 1 , Figure 2 As shown, in a specific implementation, the main housing 1 includes a bottom housing 11 and an upper housing 12 that are detachably connected together. After the bottom housing 11 and the upper housing 12 are connected together, they form a receiving cavity for accommodating the fan control circuit board 3 and are provided with a notch 13 for connecting the sub-housing 2.

[0021] like Figure 1 , Figure 2As shown, in specific implementation, the upper shell 12 is snapped together with the lower shell 11, or the upper shell 12 is fixedly connected to the lower shell 11 by the second screw 6, or the upper shell 12 is snapped together with the lower shell 11 and reinforced by the second screw 6. This is convenient to implement and facilitates detachable connection.

[0022] As described above, in specific implementation, the speed regulating capacitor group 4 is fixed to the inner wall of the sub-housing 2 by snap-fit ​​or adhesive bonding.

[0023] like Figure 1 , Figure 2 , Figure 3 As shown, in a specific implementation, the speed-regulating capacitor group 4 has N speed-regulating capacitors, and the male connector 42 has N+1 pins, where N is a natural number not less than 2. The N first electrical connection terminals of the N speed-regulating capacitors are connected together and then connected to the male connector 42. The N second electrical connection terminals of the N speed-regulating capacitors are respectively connected to the male connector 42. The female connector 31 has correspondingly N+1 pins for ease of implementation.

[0024] As stated above, this case protects a fan controller that facilitates the replacement of the speed-regulating capacitor bank. All technical solutions with the same or similar structure as this case should be considered to fall within the protection scope of this case.

Claims

1. A fan controller that facilitates replacement of a speed regulating capacitor bank, the fan controller comprising: a housing; a fan motor; a capacitor bank; a capacitor bank replacement mechanism; and a capacitor bank replacement mechanism actuator. The main shell (1) is provided with a fan control circuit board (3), the fan control circuit board (3) is provided with a plug female head (31) for electrically connecting a speed regulating capacitor group (4), the auxiliary shell (2) is provided with the speed regulating capacitor group (4), the speed regulating capacitor group (4) is connected with a wire group (41), and the wire group (41) is provided with a plug male head (42) at the end for plug connection with the plug female head (31).

2. The fan controller of claim 1, wherein The auxiliary shell (2) is connected with the main shell (1) through a first screw (5), or the auxiliary shell (2) is connected with the main shell (1) through a first screw (5) and is further fixed through the first screw (5).

3. The fan controller of claim 1, wherein The main shell (1) comprises a bottom shell (11) and an upper shell (12) which are detachably connected together, and the bottom shell (11) and the upper shell (12) are connected together to form a containing cavity for containing the fan control circuit board (3) and are provided with a notch (13) for connecting the auxiliary shell (2).

4. The fan controller of claim 3, wherein The upper shell (12) is connected with the bottom shell (11) through a second screw (6), or the upper shell (12) is connected with the bottom shell (11) through a second screw (6) and is further fixed through the second screw (6).

5. The fan controller of claim 1, wherein The speed regulating capacitor group (4) is fixed on the inner wall of the auxiliary shell (2) through a clamping mode or an adhesive mode.

6. The fan controller of any one of claims 1-5, wherein The speed regulating capacitor group (4) is fixed on the inner wall of the auxiliary shell (2) through a clamping mode or an adhesive mode.

Images