CN216531113U - Miniaturized drive control device, fan and electrical equipment - Google Patents
Miniaturized drive control device, fan and electrical equipment Download PDFInfo
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- CN216531113U CN216531113U CN202121990298.7U CN202121990298U CN216531113U CN 216531113 U CN216531113 U CN 216531113U CN 202121990298 U CN202121990298 U CN 202121990298U CN 216531113 U CN216531113 U CN 216531113U
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Abstract
The embodiment of the application relates to a miniaturized drive control device, a fan and electrical equipment. The miniaturized driving control device comprises a driving motor, a driving motor and a control unit, wherein the driving motor comprises a stator and a rotor; the wiring PCB is arranged on the driving motor and is electrically connected with the stator and the rotor; the driving PCB is separated from the wiring PCB, and at least a driving module and a main control module electrically connected with the driving module are integrated on the driving PCB; the driving module is electrically connected with the wiring PCB. The through with the separation of drive PCB board and wiring PCB board setting of this application embodiment for the drive PCB board can be installed outside the motor, makes whole drive control device more miniaturized, and can be used in product compact structure's electrical equipment.
Description
Technical Field
The embodiment of the application relates to the technical field of motor drive control, in particular to a miniaturized drive control device, a fan and electrical equipment.
Background
The brushless direct current motor (BLDC drive for short) is generally provided with a drive PCB board and a Hall element in signal connection with a drive board in a motor shell, and the drive PCB board, the Hall element and a motor stator rotor are matched to realize motor drive control.
However, the brushless dc motor in the prior art has a large size of the driving PCB and a high cost, so that the brushless dc motor is limited to be used in some products with compact product space structures; in addition, the hall sensor is mounted on the driving PCB, which causes problems of complicated mounting process, high manual assembly cost, and the like.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a miniaturized drive control device, a fan and electrical equipment, which can at least solve one of the technical problems.
According to a first aspect of the present application object, an embodiment of the present application provides a miniaturized driving control device, which includes:
the driving motor comprises a stator and a rotor;
the wiring PCB is arranged on the driving motor and is electrically connected with the stator and the rotor;
the driving PCB is separated from the wiring PCB, and at least a driving module and a main control module electrically connected with the driving module are integrated on the driving PCB; the driving module is electrically connected with the wiring PCB.
Optionally, the driving PCB is integrally disposed on a board-mounted PCB.
Optionally, the onboard PCB is a human-computer interaction touch display circuit board, or an operation circuit board, or a display circuit board.
Optionally, the onboard PCB is a human-computer interaction touch display circuit board, and the human-computer interaction touch display circuit board is in signal connection with the main control module to transmit an operation signal of an operator to the main control module.
Optionally, the wiring PCB board has a through hole, and the output shaft of the driving motor penetrates through the through hole;
preferably, the connection PCB board is connected to an output terminal of the driving motor.
Optionally, the driving PCB further integrates an acquisition module, one end of the acquisition module is electrically connected with the bus to acquire bus voltage/current, and the other end of the acquisition module is electrically connected with the main control module.
Optionally, the driving PCB board is further integrated with a power module, one end of the power module is connected to a power supply, and the other end of the power module is electrically connected to the driving module and the main control module, so as to supply power to the driving module and the main control module.
Preferably, the power module comprises a dc voltage converting unit for converting the 24V dc voltage to 5V.
Alternatively to this, the first and second parts may,
the driving PCB is also integrated with a power module;
the main control module adopts an integrated chip integrated with an MCU and a gate driver; and/or
The power module is formed by integrating six power MOS in an array form.
According to a second aspect of the embodiments of the present application, there is provided a fan including the miniaturized drive control apparatus according to the first aspect of the embodiments of the present application.
According to a third aspect of embodiments of the present application, embodiments of the present application provide an electrical apparatus including the miniaturized driving control device according to the first aspect of embodiments of the present application.
In this application embodiment, through setting up one with driving motor electric connection's wiring PCB board, with the driving PCB board of wiring PCB board electric connection, the driving PCB board sets up with the separation of wiring PCB board, make the driving PCB board can be installed the optional position outside the motor, and wiring PCB is because only need carry out the transmission of working a telephone switchboard, PCB board circuit is simple, can choose for use compare the littleer base plate of traditional motor circuit can, make whole drive control device more miniaturized, and can be used in product compact structure's electrical equipment.
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Drawings
Fig. 1 is a schematic view of a connection structure of a miniaturized driving control apparatus provided in an exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
It should be understood that the embodiments described are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the claims that follow. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
As shown in fig. 1, the miniaturized drive control device of the embodiment of the present application includes:
a driving motor 300 including a stator 320, a rotor 310;
a wiring PCB 400 disposed on the driving motor, the wiring PCB being electrically connected to the stator and the rotor;
a driving PCB 200 disposed separately from the wiring PCB, the driving PCB being at least integrated with a driving module 220 and a main control module 210 electrically connected to the driving module; the driving module is electrically connected with the wiring PCB.
In this application embodiment, through setting up one with driving motor electric connection's wiring PCB board, with the driving PCB board of wiring PCB board electric connection, the driving PCB board sets up with the separation of wiring PCB board, make the driving PCB board can be installed the optional position outside the motor, and wiring PCB is because only need carry out the transmission of working a telephone switchboard, PCB board circuit is simple, can choose for use compare the littleer base plate of traditional motor circuit can, make whole drive control device more miniaturized, and can be used in product compact structure's electrical equipment.
In one embodiment, the driving PCB 200 is integrally disposed on a PCB board 100.
The on-board PCB 100 is a human-computer interaction touch display circuit board, or an operation circuit board, or a display circuit board. The driving PCB is directly arranged on the PCB used for board loading, so that the installation space can be saved.
Preferably, in this application embodiment, the on-board PCB board is human-computer interaction touch display circuit board, human-computer interaction touch display circuit board with host system signal connection to transmit operator's operating signal to host system.
Specifically, the human-computer interaction touch display circuit board comprises: and the human-machine touch display module 110 is in signal connection with the main control module so as to transmit the operation signal of the operator to the main control module. For example, an operator operates the touch display module to regulate the speed, and a speed regulation signal is generated and sent to the main control module.
In a specific embodiment, the wiring PCB 400 has a through hole, and the output shaft of the driving motor penetrates through the through hole; preferably, the connection PCB board is connected to an output terminal of the driving motor. Specifically, the output end of the driving motor may be fixed to the wiring PCB 400 through a bearing connection.
In the embodiment of the present application, the connection PCB 400 only needs to perform connection transmission, that is, is connected to devices in the driving motor, such as the stator and the rotor of the driving motor. Therefore, in the embodiment of the present application, the size and volume of the wiring PCB 400 can be miniaturized to reduce the size of the entire driving motor.
In the embodiment of the present application, preferably, the driving motor 300 is a brushless and non-inductive dc motor. Because the induction device in the motor, such as a Hall inductor, is cancelled, the integral installation difficulty is greatly reduced, and the production efficiency is improved.
In a specific embodiment, the driving PCB 200 further integrates an acquisition module (not shown in the figure), one end of the acquisition module is electrically connected to the bus to acquire bus voltage/current, and the other end of the acquisition module is electrically connected to the main control module.
The acquisition module performs signal acquisition on the voltage or current of the bus, for example, current signal acquisition on the bus, so as to determine the angle/position of the rotor of the driving motor.
Preferably, when the brushless and non-inductive direct current motor is adopted, compared with a brush motor and an inductive motor, the brushless and non-inductive direct current motor has no inductive element inside the motor, and the angle/position of the rotor cannot be acquired through the inductive element, so that the driving motor shakes obviously when the brushless and non-inductive direct current motor is started, and therefore the shaking of the starting stage can be adjusted through a non-inductive FOC sine wave driving mode in the embodiment of the application, and through the optimization of the FOC algorithm, the rotating speed is more stable, the noise is less, and the starting anti-deflection angle is small.
The driving PCB board 200 is further integrated with a power module, one end of the power module is connected with a power supply, and the other end of the power module is electrically connected with the driving module and the main control module to supply power to the driving module and the main control module. And the power supply is connected with the power module through a bus. As indicated by the arrows in fig. 1.
Preferably, the power module includes a dc voltage conversion unit to reduce the voltage of 24V dc voltage to 5V.
In a specific embodiment, the driving PCB further integrates a power module;
the main control module adopts an integrated chip integrated with an MCU and a gate driver (GataDriver); and/or the power module is formed by integrating six power MOS in an array form. The chip is CMS32M5524S016, and is packaged by SOP 16. The main devices of the whole drive PCB are two high integrated chips, the occupied space is about one third of that of the traditional scheme, and the small space and the low price are realized.
The embodiment of the application provides a fan, which comprises a miniaturized driving control device in any one of the above embodiments.
An embodiment of the present application provides an electrical apparatus, including a miniaturized driving control device as in any one of the above embodiments.
The electrical device may be any electrical device having a function of driving a motor, such as a dc fan, a lawn mower, an exhaust fan, a bladeless fan, and the like, and in one example, the electrical device is a dc fan.
It is to be understood that the embodiments of the present application are not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the embodiments of the present application is limited only by the following claims.
The above-mentioned embodiments only express a few embodiments of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the concept of the embodiments of the present application, and these embodiments are within the scope of the present application.
Claims (10)
1. A miniaturized drive control device, comprising:
the driving motor comprises a stator and a rotor;
the wiring PCB is arranged on the driving motor and is electrically connected with the stator and the rotor;
the driving PCB is separated from the wiring PCB, and at least a driving module and a main control module electrically connected with the driving module are integrated on the driving PCB; the driving module is electrically connected with the wiring PCB.
2. The miniaturized drive control of claim 1, wherein:
the drive PCB board is integrated and arranged on a PCB board for board carrying.
3. The miniaturized drive control of claim 2, wherein:
the onboard PCB is a human-computer interaction touch display circuit board, or an operation circuit board, or a display circuit board.
4. The miniaturized drive control of claim 2, wherein:
the PCB board for onboard use is a human-computer interaction touch display circuit board, and the human-computer interaction touch display circuit board is in signal connection with the main control module so as to transmit an operation signal of an operator to the main control module.
5. The miniaturized drive control of claim 1, wherein:
the wiring PCB board is provided with a through hole, and an output shaft of the driving motor penetrates through the through hole;
the wiring PCB board is connected and arranged at the output end of the driving motor.
6. The miniaturized drive control of claim 1, wherein:
the drive PCB board is further integrated with an acquisition module, one end of the acquisition module is electrically connected with the bus to acquire bus voltage/current, and the other end of the acquisition module is electrically connected with the main control module.
7. The miniaturized drive control of claim 1, wherein:
the driving PCB is also integrated with a power supply module, one end of the power supply module is connected with a power supply, and the other end of the power supply module is electrically connected with the driving module and the main control module and used for supplying power to the driving module and the main control module;
the power supply module comprises a direct current voltage conversion unit for reducing the voltage of 24V direct current to 5V.
8. The miniaturized drive control of claim 1, wherein:
the driving PCB is also integrated with a power module;
the main control module adopts an integrated chip integrated with an MCU and a gate driver; and/or
The power module is formed by integrating six power MOS in an array form.
9. A fan, characterized by: comprising the miniaturized drive control apparatus of any one of claims 1 to 8.
10. An electrical device, characterized by: comprising the miniaturized drive control apparatus of any one of claims 1 to 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121990298.7U CN216531113U (en) | 2021-08-23 | 2021-08-23 | Miniaturized drive control device, fan and electrical equipment |
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CN202121990298.7U CN216531113U (en) | 2021-08-23 | 2021-08-23 | Miniaturized drive control device, fan and electrical equipment |
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CN216531113U true CN216531113U (en) | 2022-05-13 |
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CN202121990298.7U Active CN216531113U (en) | 2021-08-23 | 2021-08-23 | Miniaturized drive control device, fan and electrical equipment |
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- 2021-08-23 CN CN202121990298.7U patent/CN216531113U/en active Active
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