CN213990339U

CN213990339U - DC400V high-voltage integrated power system

Info

Publication number: CN213990339U
Application number: CN202021405153.1U
Authority: CN
Inventors: 王积良; 汲自强
Original assignee: Nanjing Build Future Dreams Power Technology Co ltd
Current assignee: Nanjing Build Future Dreams Power Technology Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-08-17
Anticipated expiration: 2030-07-16

Abstract

The application discloses a DC400V high-voltage integrated power system. This driving system includes: the motor base body is connected with the base cover, and an electronic speed regulator is arranged between the base body and the base body; the electronic speed regulator is electrically connected with the motor; the motor includes: the motor comprises a motor rotor, a motor iron core and a motor base, wherein the motor rotor is connected with the motor base. The electric power system solves the problems that the power system at the present stage is designed independently by adopting a discrete structure, a motor mounting seat is only used for mounting a motor when in use, and the electric power is required to be mounted and distributed independently; the electric tuning is installed in the cabin, and a fan needs to be additionally configured to radiate heat for the electric tuning, so that the size of an effective load of the cabin is reduced, and the hardware cost and weight are increased; the electric speed regulator is externally hung on the machine arm, and wind power generated by the rotation of the propeller can be utilized for natural cooling, but the electric speed regulator has an aesthetic effect and is easy to suffer from the technical problems of sunshine or rainwater.

Description

DC400V high-voltage integrated power system

Technical Field

The application relates to the technical field of unmanned aerial vehicles, particularly, relate to a DC400V high pressure integration driving system.

Background

The multi-rotor unmanned aerial vehicle is strong in controllability, can take off and land vertically and hover, and is mainly applied to task types with low altitude, low speed and vertical take off and land and hover requirements. The driving system is one of the core components of the multi-rotor unmanned aerial vehicle. The electric motor mainly comprises a motor, an electric regulator, a motor mounting seat and a propeller.

At present, power systems on the market are powered by low voltage, motors and electric regulators are designed and installed in a discrete structure, a square wave control algorithm is adopted, motor installation seats are only used for fixing the motors, the electric regulators do not have determined installation positions, and the electric regulators are random. Under the same power condition, it will be bigger to take low-voltage motor and electricity to transfer corresponding electric current, and the electric current will produce electromagnetic interference to whole unmanned aerial vehicle's avionics system greatly, and the power supply cable that the electric current needs greatly just is thicker in addition, can increase unmanned aerial vehicle's dead load, seriously influences unmanned aerial vehicle's security and efficiency.

The square wave control algorithm has four inherent defects: the peak value of the driving current is higher; secondly, a pulsating torque exists; the vibration and the noise are large; low speed and poor starting performance. At present, the electric regulator on the market mainly has the following two installation modes, and the electric regulator is installed in an unmanned aerial vehicle cabin or on a horn. The electric regulation is arranged in a cabin, occupies space, is troublesome to install and has a very serious problem of heat dissipation. The electric speed controller is installed on the arm of the electric speed controller, the appearance is influenced, the electric speed controller is easy to be corroded by the external environment, and the service life of the electric speed controller is influenced. These are all low-voltage discrete square wave control power systems, which have the existing problems.

Aiming at the problems that low-voltage power supply and square wave control algorithms are adopted in the related technology, under the condition of the same power, the current corresponding to the low-voltage motor and the electric regulator is larger, the large current can generate electromagnetic interference on an avionic system of the whole unmanned aerial vehicle, and a power supply cable required by the large current is thicker, so that the invalid load of the unmanned aerial vehicle can be increased, and the safety and the efficiency of the unmanned aerial vehicle are seriously influenced; the use of square wave control algorithms has the following drawbacks: the peak value of the drive current is high; a pulsating torque is present; the problems of large vibration and noise, low speed and poor starting performance are solved.

SUMMERY OF THE UTILITY MODEL

The main purpose of the application is to provide a DC400V high-voltage integrated power system, so as to solve the problems that the low-voltage power supply and square wave control algorithm is adopted, under the condition of equal power, the current corresponding to the low-voltage motor and the electric regulator is larger, the current is large, electromagnetic interference is generated on the avionic system of the whole unmanned aerial vehicle, the power supply cable required by the large current is thicker, the invalid load of the unmanned aerial vehicle is increased, and the safety and the efficiency of the unmanned aerial vehicle are seriously influenced; the use of square wave control algorithms has the following drawbacks: the peak value of the drive current is high; a pulsating torque is present; large vibration and noise, and poor low speed and starting performance.

To achieve the above objects, according to one aspect of the present application, a DC400V high voltage integrated power system is provided.

The DC400V high-voltage integrated power system according to the application comprises: the motor base is connected with the base cover, and an electronic speed regulator is arranged between the base and the base cover; the electronic speed regulator is electrically connected with the motor; the motor includes: the motor comprises a motor rotor, a motor core and a motor base, wherein the motor rotor is connected with the motor base, the motor rotor and the motor base form a containing cavity, and the motor core is arranged in the containing cavity.

Furthermore, one side end of the machine seat body is connected with a tubular machine arm clamping piece for clamping the machine arm.

Furthermore, a positioning hole is formed in the pipe wall of the machine arm holding piece, and the positioning hole is used for preventing the machine arm from being misplaced or moving.

Furthermore, one side of the horn holding piece is also provided with a through groove, the through groove is the same as the plane where the axis of the horn holding piece is located, and the through groove is provided with a clamping hole penetrating through two ends.

Further, the motor and the electronic speed regulator are powered by DC 400V.

Furthermore, the base cover is provided with a plurality of first through holes and a plurality of second through holes, and the first through holes are used for fixing the motor; the second through holes are multiple and used for fixing the base cover.

Furthermore, the base cover is further provided with a third through hole, and the third through hole is used for passing through a motor lead.

Further, the first through hole, the second through hole and the third through hole are provided with sealing parts.

Furthermore, the base cover and the base body are made of aluminum alloy materials.

Furthermore, a heat dissipation air duct is further arranged on the motor.

In the embodiment of the application, a mode of base integration and high-voltage power supply is adopted, the base body is connected with the base cover through the base body and the base cover for fixing the motor, and the electronic speed regulator is arranged between the base body and the base cover; the electronic speed regulator is electrically connected with the motor, so that the integrated purpose is achieved, the technical effect that the electronic speed regulator is placed between the base body and the base cover and directly powered by high voltage is achieved, and the problems that the low-voltage power supply and the square wave control algorithm are adopted, under the condition of equal power, the current corresponding to the low-voltage motor and the electric regulation is larger, the large current can generate electromagnetic interference on an avionic system of the whole unmanned aerial vehicle, and the power supply cable required by the large current is thicker, so that the ineffective load of the unmanned aerial vehicle can be increased, and the safety and the efficiency of the unmanned aerial vehicle are seriously influenced are solved; the use of square wave control algorithms has the following drawbacks: the peak value of the drive current is high; a pulsating torque is present; large vibration and noise, low speed and poor starting performance.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a schematic diagram of a motor heat dissipation structure of a DC400V high-voltage integrated power system according to an embodiment of the present application;

FIG. 2 is an exploded view of a DC400V high-voltage integrated power system according to an embodiment of the present application;

FIG. 3 is a perspective view of an assembled structure of a DC400V high-voltage integrated power system according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a DC400V high-voltage integrated power system according to an embodiment of the application.

Description of reference numerals:

1. a motor; 11. a motor rotor; 12. a motor core; 13. a motor base; 14. a heat dissipation air duct; 2. a base cover; 21. a first through hole; 22. a second through hole; 23. a third through hole; 3. an electronic governor; 4. a machine seat body; 41. a heat dissipating fin; 5. a horn holder; 51. positioning holes; 52. a clamping hole; 53. a through groove.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-3, the present application relates to a DC400V high voltage integrated power system, comprising: the motor base body 4 is connected with the motor base cover 2 for fixing the motor 1, and the electronic speed regulator 3 is arranged between the motor base body 4 and the motor base cover 2; the electronic speed regulator 3 is electrically connected with the motor 1;

the motor 1 includes: motor rotor 11, motor core 12 and motor base 13, motor rotor 11 is connected with motor base 13, and motor rotor 11 forms the holding chamber with motor base 13, and motor core 12 sets up in the holding intracavity.

Specifically, the base body 4 refers to a chassis or a component of the equipment, and is used for using the equipment or installing accessories; the motor 1 is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law and is used for providing a power source; the base cover 2 is a cover at the upper end of the base body and is used for protecting components; the motor base cover 2 is used for fixing the motor 1, the motor 1 is fixedly arranged on the motor base cover 2, furthermore, the motor base cover 2 is provided with a plurality of first through holes 21, the first through holes 21 are used for fixing the motor, the number of the first through holes 21 is four, the first through holes are concentric with the motor base cover 2 and are uniformly distributed, and the first through holes 21 are used for fixing the motor 1 on the motor base cover 2;

the machine seat body 4 is connected with the machine seat cover 2, the machine seat body 4 is fixedly connected with the machine seat cover 2 through a connecting piece, furthermore, the machine seat cover 2 is provided with four second through holes 22, and the four inner hexagonal socket head screws are connected with the machine seat body 4 through the second through holes 22; an electronic speed regulator 3 is arranged between the base body 4 and the base cover 2, and an accommodating cavity is formed between the base body 4 and the base cover 2 and used for accommodating the electronic speed regulator 3;

the electronic speed regulator 3 is electrically connected with the motor 1, three outgoing lines of the motor 1 are connected with the electronic speed regulator 3, furthermore, a third through hole 23 is arranged on the base cover 2, the third through hole 23 is an open slot with a rectangular shape or other shapes, and the three outgoing lines of the motor 1 are electrically connected with the electronic speed regulator 3 through the third through hole 23; the motor 1 and the electronic speed regulator 3 are integrally designed, so that the motor is simple in structure, light in weight, convenient to install, attractive, and has the functions of heat dissipation, moderate water resistance, dust resistance and the like.

The motor 1 includes: motor rotor 11, motor core 12 and motor base 13, motor rotor 11 is connected with motor base 13, and motor rotor 11 forms the holding chamber with motor base 13, and motor core 12 sets up in the holding intracavity, can form the heat radiation structure of motor.

From the above description, it can be seen that the following technical effects are achieved by the present application:

Preferably, a tubular arm clamping member 5 is connected to one side end of the machine base body 4 for clamping the machine arm. The horn clamping member 5 is provided to fix and clamp the horn.

Preferably, in this embodiment, a positioning hole 51 is formed in the tube wall of the arm clamping member 5 to prevent the arm from being dislocated or moved. Through set up on the pipe wall of horn with locating hole 51 assorted screw on the piece 5, with the screw-up in locating hole 51 and screw, can also effectually avoid the horn to take place dislocation or activity when can playing the effect of fixed horn to lead to the structure unstable, there is the potential safety hazard.

Preferably, in this embodiment, a through groove 53 is further provided on one side of the horn clamping member 5, the through groove 53 is the same as the plane where the axis of the horn clamping member 5 is located, and the through groove 53 is provided with a clamping hole 52 penetrating through both ends. Still be provided with through groove 53 through adding one side of holding piece 5 at the horn to and be equipped with the tight hole 52 of clamp that runs through both ends on through groove 53, lock by the screw, can realize further pressing from both sides the horn and press from both sides tightly fixed, avoid unmanned aerial vehicle during operation the horn to add to hold piece 5 in the horn and take place the drunkenness, thereby strengthen the stability of horn.

As is preferable in the present embodiment, the periphery of the housing body 4 is provided with heat dissipation fins 41. By arranging the heat radiating fins 41 on the periphery of the machine seat body 4, the heat radiating area can be increased, and the heat radiating function is improved.

Preferably in this embodiment, the motor and electronic governor are powered using DC 400V. The electromagnetic radiation that can be generated is small.

As is preferable in the present embodiment, the first through hole 21, the second through hole 22, and the third through hole 23 are provided with a seal. The sealing performance of the accommodating cavity can be ensured by gluing the first through hole 21, the second through hole 22 and the third through hole 23, so that the electronic speed regulator 3 can be properly waterproof and dustproof; the sealing member still can be waterproof rubber buffer, can avoid external water to enter into the pedestal body 4 through third through-hole 23 in, waterproof performance preferred.

As preferable in the present embodiment, the electronic governor 3 includes: the power regulating device comprises electrically-regulated power tubes and a circular circuit board, wherein the electrically-regulated power tubes are uniformly distributed on the circular circuit board and abut against the inner surface of the machine seat body 4. The circular circuit board is locked and attached to the inner surface of the machine seat body 4 through four inner hexagonal socket head screws, so that heat emitted by the electric adjusting power tube can be quickly transmitted to the whole machine seat body 4 when the power system works, and the motor 1 can also transmit part of the heat to the machine seat body 4 through the machine seat cover 2; when the propeller rotates, the heat on the machine base body 4 can be dissipated by utilizing the high-speed flow of the air nearby; the heat dissipation performance of the electronic speed regulator 3 and the motor 1 is improved, and the service lives of the electronic speed regulator 3 and the motor 1 are prolonged.

In the present embodiment, the base body 4 and the base cover 2 are both made of 7075 aluminum alloy. Through adopting the aluminum alloy material, can make the heat conduct fast to reach the purpose with heat rapid transfer.

Preferably, in this embodiment, the motor 1 is further provided with a heat dissipation air duct 14. A good heat dissipation effect can be achieved.

The utility model discloses still have following beneficial effect:

the motor and the electronic speed regulator adopt DC400V power supply, the corresponding electric current of high voltage is little under the same power, the electromagnetic radiation of production is just little, control algorithm can raise the efficiency, reduce system noise, the motor, the electricity is transferred the integration frame and is not just traditional fixed motor, but will transfer the electricity and also install in the accommodation space between motor cabinet and the motor seat lid, can effectual waterproof dustproof, and the peripheral structure that designs into radiating fin of motor cabinet, heat radiating area has been increased, abundant utilization the air flow that the screw produced, distribute away the heat.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A DC400V high-voltage integrated power system, comprising: the motor base body is connected with the base cover,

an electronic speed regulator is arranged between the base body and the base cover;

the electronic speed regulator is electrically connected with the motor;

the motor includes: the motor comprises a motor rotor, a motor core and a motor base, wherein the motor rotor is connected with the motor base, the motor rotor and the motor base form a containing cavity, and the motor core is arranged in the containing cavity.

2. The DC400V high-voltage integrated power system according to claim 1, wherein a tubular horn holder is connected to one side end of the machine base body for clamping the horn.

3. The DC400V high-voltage integrated power system according to claim 2, wherein a positioning hole is formed in a pipe wall of the horn holder to prevent the horn from being dislocated or moved.

4. The DC400V high-voltage integrated power system according to claim 2, wherein a through groove is further formed in one side of the horn clamping piece, the through groove is in the same plane as the axis of the horn clamping piece, and clamping holes penetrating through two ends of the through groove are formed in the through groove.

5. The DC400V high-voltage integrated power system according to claim 1, wherein the motor and the electronic governor are powered by DC 400V.

6. The DC400V high-voltage integrated power system according to claim 1, wherein the base cover is provided with a plurality of first through holes for fixing a motor and a plurality of second through holes; the second through holes are multiple and used for fixing the base cover.

7. The DC400V high-voltage integrated power system according to claim 6, wherein the base cover is further provided with a third through hole for passing a motor lead.

8. The DC400V high pressure integrated power system according to claim 7, wherein the first, second and third through holes are provided with seals.

9. The DC400V high-voltage integrated power system according to claim 1, wherein the housing cover and the housing body are made of aluminum alloy.

10. The DC400V high-voltage integrated power system according to claim 1, wherein a heat dissipation air duct is further provided on the motor.