CN217543339U

CN217543339U - Direct current brushless motor loading detection device

Info

Publication number: CN217543339U
Application number: CN202220469325.4U
Authority: CN
Inventors: 姜卸华; 王寿江; 乔川南; 董卫平
Original assignee: Zhejiang Kaichuang Electric Co ltd
Current assignee: Zhejiang Kaichuang Electric Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-10-04
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to a direct current brushless motor loading detection device, which belongs to the field of brushless motor testing devices and comprises a propulsion device, a loading device and an electronic loading control cabinet, wherein a propulsion cylinder is arranged above a first bottom plate; the motor mounting plate is arranged on the first bottom plate in a sliding mode and connected with a piston rod of the propulsion cylinder, the first rotor supporting plate and the second rotor supporting plate are arranged at intervals, the stator fixing frame is fixedly arranged on the motor mounting plate, the loading motor is detachably arranged on the motor mounting plate, and the sub-frame to be measured is located between the loading motor and the second rotor supporting plate; two ends of the loading rotor are respectively and rotatably arranged on the first rotor supporting plate and the second rotor supporting plate; the electronic loading control cabinet is electrically connected with the loading motor. The utility model discloses have the effect of solution carrying out the loading test problem to DC brushless motor.

Description

Direct current brushless motor loading detection device

Technical Field

The utility model belongs to the technical field of brushless motor testing arrangement's technique and specifically relates to a brushless DC motor loading detection device is related to.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The brushless dc motor is composed of a motor body and a driver, and is a typical mechatronic product, and such a motor is widely used.

At present, the direct current brushless motor is directly sold without any loading test after being manufactured, the phenomena of motor stalling, burning and the like often occur in the subsequent use process, and equipment for carrying out the loading test on the direct current brushless motor does not exist at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at least solving the problem of carrying out the loading test to DC brushless motor. The purpose is realized by the following technical scheme:

the utility model provides a brushless DC motor loading detection device.

A propulsion device comprising a first base plate and a propulsion cylinder disposed above the first base plate;

the loading device comprises a motor mounting plate, a first rotor supporting plate, a stator fixing frame, a stator frame to be tested, a second rotor supporting plate and a loading motor, wherein the motor mounting plate is slidably arranged on the first bottom plate and is connected with a piston rod of the propulsion cylinder, the first rotor supporting plate and the second rotor supporting plate are arranged at intervals, the stator fixing frame is fixedly arranged on the motor mounting plate, the loading motor is arranged on the motor mounting plate, and the stator frame to be tested is positioned between the loading motor and the second rotor supporting plate;

the loading motor comprises a loading rotor, and two ends of the loading rotor are respectively and rotatably arranged on the first rotor supporting plate and the second rotor supporting plate;

and the electronic loading control cabinet is electrically connected with the loading motor.

According to the utility model discloses a DC brushless motor loading detection device, be connected with loading device through advancing device, slide the setting of motor mounting panel on first bottom plate and be connected with the piston rod of propulsion cylinder, stator mount and loading motor are all installed on the motor mounting panel, the loading rotor rotates and sets up between first rotor backup pad and second rotor backup pad, and install the stator frame that awaits measuring between loading motor and second rotor backup pad, and simultaneously, be connected the loading rotor with electronic loading switch board electricity, during the use, loading detection device can detect the motor before dispatching from the factory, thereby reduce consumer DC brushless motor in the use motor stall appears, the condition of burning out, effectively reduce DC brushless motor's fault rate, thereby promote brushless DC motor's use reliability, and then solved the problem of carrying out the loading test to DC brushless motor.

In addition, according to the utility model discloses a brushless DC motor loading detection device still can have following additional technical characterstic:

in some embodiments of the present invention, the propulsion device comprises a guide rail disposed on the first floor; the loading device further comprises a sliding block fixedly arranged on the lower portion of the motor mounting plate, the sliding block is matched with the guide rail, and the sliding block is slidably arranged on the guide rail.

In some embodiments of the present invention, the loading detection device further includes a quick clamping device, the quick clamping device includes two bending plates, a main connecting rod, an auxiliary connecting rod, a handle and a pressing rod, the two bending plates are disposed at an interval, one end of the main connecting rod is rotatably disposed between the two bending plates, two ends of the auxiliary connecting rod are rotatably connected to the main connecting rod and the handle respectively, one end of the handle is rotatably connected to the bending plates, and the pressing rod is adjustably disposed on a section of the main connecting rod away from the bending plates;

the bending plate is provided with an arc-shaped notch, one end of the auxiliary connecting rod is arc-shaped, and the arc end face of the auxiliary connecting rod is abutted to the inner surface of the arc-shaped notch and can slide relative to the inner surface of the arc-shaped notch.

In some embodiments of the present invention, a section of the main connecting rod away from the bending plate is provided with a strip-shaped hole for installing the pressing rod along the length direction of the main connecting rod;

the depression bar is including installation pole, two backing plates and two nuts, the installation pole is worn to establish in the bar hole, the backing plate cover is established just two on the installation pole the backing plate butt respectively is in the opposite both sides of main connecting rod, two the equal threaded connection of nut is in just butt respectively on the installation pole is two on the backing plate.

In some embodiments of the present invention, one end of the mounting rod is fixedly provided with a butt column, and the butt column is a flexible member.

In some embodiments of the present invention, the loading detection apparatus further includes a detection control cabinet, and the detection control cabinet is electrically connected to the electronic loading control cabinet.

In some embodiments of the present invention, the load detection device further includes a shield, the shield includes a lower shield, a top plate and a foot cup, the detection control cabinet and the electronic load control cabinet are all installed on the lower shield, the top plate level is set up on the upper portion of the lower shield, the propulsion device and the loading device are all located on the top plate, the foot cup is provided with four at least, at least four foot cups are fixedly set up on the lower portion and the even distribution of the lower shield on the lower shield.

In some embodiments of the present invention, the protective cover further includes an upper protective cover, the upper protective cover is fixedly disposed on the top plate, and the upper protective cover is opened.

In some embodiments of the present invention, two safety light curtains are fixed inside the upper shield, and the light curtains are symmetrically disposed on two sides of the opening.

In some embodiments of the present invention, an emergency stop switch is disposed on the top plate, and the emergency stop switch is electrically connected to the detection control cabinet and the electronic loading control cabinet.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 is a schematic overall structure diagram of a dc brushless motor loading detection apparatus according to the present application;

FIG. 2 is a schematic view of the propulsion apparatus, the quick clamp mount, and the quick clamp apparatus of the present application;

FIG. 3 is a side view of the propulsion apparatus of the present application;

fig. 4 is a schematic structural diagram of a quick clamping device in the present application.

Reference numerals:

1. a shield; 11. a lower shield; 12. a top plate; 121. starting a switch; 122. a scram switch; 13. a foot cup; 14. an upper shield; 15. an inner shield; 16. a safety light curtain; 2. detecting a control cabinet; 3. an electronic loading control cabinet; 4. a control panel; 5. a propulsion device; 51. a first base plate; 52. mounting a plate; 53. propelling the cylinder; 54. a cylinder control valve; 55. a guide rail; 6. a loading device; 61. a motor mounting plate; 62. a slider; 63. a cylinder connecting plate; 64. a first rotor support plate; 65. a stator fixing frame; 66. a second base plate; 661. a stator frame to be tested; 67. a second rotor support plate; 68. loading a motor; 681. loading a stator; 682. loading the rotor; 7. a quick clamping device; 71. a bending plate; 72. a main link; 73. an auxiliary connecting rod; 74. a handle; 75. a pressure lever; 751. mounting a rod; 752. a butting post; 753. a base plate; 754. a nut; 76. quick-clamping mounting seat.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "in 8230 \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1, a dc brushless motor load detection apparatus according to the present embodiment includes:

the device comprises a protective cover 1, a detection control cabinet 2 arranged in the protective cover 1, an electronic loading control cabinet 3 arranged in the protective cover 1 and electrically connected with the detection control cabinet 2, a control panel 4 arranged on the upper part of the protective cover 1 and electrically connected with the detection control cabinet 2 and the electronic loading control cabinet 3, a propelling device 5 arranged in the protective cover 1, a loading device 6 arranged in the protective cover 1 and connected with the pushing end of the propelling device 5, and a quick clamping device 7 arranged in the protective cover 1 and used for clamping a stator to be detected, wherein a detection system capable of being electrically connected with a loading motor 68 to be detected is arranged in the loading control cabinet.

After the stator to be tested is placed on the loading device 6 and is stably loaded through the quick clamping device 7, after the detection device is started, data such as loading voltage, input current and rotating speed are input and adjusted through the control panel 4, and then the detection system carries out loading work on the stator to be tested. The loading detection device of the direct current brushless motor collects and analyzes the detected data, and a targeted solution can be made for the problem with high occurrence frequency.

As shown in fig. 1, the cover 1 includes a lower cover 11, a top plate 12 horizontally installed on an upper portion of the lower cover 11, a foot cup 13 provided on a bottom portion of the lower cover 11, an upper cover 14 fixedly installed on an upper plate surface of the top plate 12, and a safety light curtain 16 installed inside the upper cover 14. In this embodiment, four of the foot cups 13 are provided, and the four foot cups 13 are uniformly distributed at the bottom of the lower shield 11 in a rectangular shape to support the whole shield 1. One side of the upper shield 14 is opened with an opening, and the safety light curtain 16 is arranged on two opposite sides of the opening, so that the practical safety of the detection device is improved. A start switch 121 and an emergency stop switch 122 are installed on the top plate 12, and the emergency stop switch 122 is electrically connected with the detection control cabinet 2 and the electronic loading control cabinet 3.

As shown in fig. 1, the detection control cabinet 2 and the electronic loading control cabinet 3 are both installed on the lower shield 11, the electronic loading control cabinet 3 is located between the detection control cabinet 2 and the top plate 12, and the detection control cabinet 2 and the electronic loading control cabinet 3 are arranged at intervals, so that a good heat dissipation space is ensured for both the detection control cabinet and the electronic loading control cabinet, and the operation stability of the detection device is ensured.

As shown in fig. 1, 2 and 3, the propelling device 5 is disposed on the top plate 12 and located in the upper shield 14, the propelling device 5 includes a first bottom plate 51 horizontally mounted on the top plate 12 and having a bar shape, a mounting plate 52 fixed on the first bottom plate 51 and having a plate surface perpendicular to the plate surface of the first bottom plate 51, a propelling cylinder 53 having a length direction parallel to the length direction of the first bottom plate 51 and having one end fixed on the mounting plate 52, a cylinder control valve 54 fixedly disposed on the first bottom plate 51 and used for controlling the propelling cylinder 53, and a guide rail 55 fixedly disposed on the first bottom plate 51 and having a length direction parallel to the length direction of the first bottom plate 51. The propulsion cylinder 53 is suspended above the first base plate 51, and a piston rod of the propulsion cylinder 53 is movably inserted through the mounting plate 52.

As shown in fig. 1, the protecting cover 1 further comprises an inner protecting cover 15 covering the propelling device 5, wherein the inner protecting cover 15 is in a groove shape, and the notch of the inner protecting cover 15 is covered on the outside of the propelling device 5 downwards, so that the propelling device 5 is isolated from the operation space inside the upper protecting cover 14, and the operation safety of an operator during loading detection is ensured.

As shown in fig. 1, 2 and 3, the loading device 6 includes a motor mounting plate 61 horizontally disposed, a slider 62 with a downward notch fixedly disposed on a lower plate surface of the motor mounting plate 61, a cylinder connecting plate 63 fixedly disposed on an upper plate surface of the motor mounting plate 61 and in threaded connection with a piston rod of the propulsion cylinder 53, two first rotor supporting plates 64 fixedly disposed on the motor mounting plate 61 and located on one side of the cylinder connecting plate 63 departing from the propulsion cylinder 53, a stator fixing frame 65 fixedly disposed on the motor mounting plate 61 and located between the two first rotor supporting plates 64, a second base plate 66 fixedly disposed on the first base plate 51, a second rotor supporting plate 67 vertically mounted on the second base plate 66, and a loading motor 68 detachably mounted on the stator fixing frame 65. The upper part of the to-be-measured sub-frame 661 is provided with an arc notch for placing a to-be-measured stator. A to-be-measured sub-frame 661 for mounting a stator to be measured is fixedly provided on the second base plate 66, and the to-be-measured sub-frame 661 is located between the first rotor support plate 64 and the second rotor support plate 67.

As shown in fig. 3, the loading motor 68 includes a loading stator 681 provided on the stator fixing frame 65 and a loading rotor 682 rotatably provided in the loading stator 681, both ends of a rotation shaft of the loading rotor 682 are rotatably provided on the first and second

stator support plates

64 and 64 near the propulsion cylinder 53, respectively, and the loading rotor 682 is provided in two, one of the loading rotor 682 is located inside the loading stator 681, the other of the loading rotor 682 is located above the sub-frame 661 to be measured, and the loading rotor 682 far from the loading stator 681 is located between the second rotor support plate 67 and the first rotor support plate 64 far from the propulsion cylinder 53.

When the brushless motor is subjected to loading test, the propulsion cylinder 53 is controlled to pull the motor mounting plate 61 and drive the loading rotor 682 to be far away from the second rotor supporting plate 67, then the stator to be tested is sleeved on the rotating shaft of the loading rotor 682, the stator to be tested is placed on the sub-frame 661 to be tested, and then the stator to be tested is clamped on the sub-frame 661 to be tested by using the quick clamping device 7. After the propulsion cylinder 53 is operated to position the loading rotor 682, which is located outside the loading stator 681, within the stator under test, the loading motor 68 is actuated to rotate the loading rotor 682, which is located outside the loading stator 681, thereby performing a loading test on the stator under test.

According to the utility model discloses a DC brushless motor loading detection device, be connected with loading device 6 through advancing device 5, slide motor mounting panel 61 and set up on first bottom plate 51 and be connected with the piston rod of propulsion cylinder 53, stator mount 65 and loading motor 68 are all installed on motor mounting panel 61, loading rotor 682 rotates and sets up between first rotor backup pad 64 and second rotor backup pad 67, and install stator frame 661 that awaits measuring between loading motor 68 and second rotor backup pad 67, and simultaneously, be connected loading rotor 682 and 3 electricity of electronic loading switch board, in use, loading detection device can detect the motor before dispatching from the factory, can also collect simultaneously and detect data and carry out the analysis, can be to the solution that the problem that the appearance frequency is high made, thereby reduce the direct current brushless motor stall appears in the use, the condition of burning out, effectively reduce direct current brushless motor's fault rate, thereby promote brushless direct current motor's use reliability, and then solved the problem that carries out the loading test to direct current motor.

As shown in fig. 2 and 4, the quick clamping device 7 includes a quick clamping mounting seat 76 fixedly disposed on the first base plate 51, two bending plates 71 fixedly disposed on the top surface of the quick clamping mounting seat 76 and spaced apart from each other, a main link 72 having one end rotatably disposed between the two bending plates 71, an auxiliary link 73 having one end rotatably disposed on the main link 72, a handle 74 having one end provided with an opening and having openings rotatably disposed on the two bending plates 71, respectively, and a pressing lever 75 adjustably mounted on the main link 72. The other end of the secondary link 73 is rotatably disposed in an opening of the handle 74.

Bending plate 71 is L-shaped and is vertically arranged in one section, and an arc-shaped notch is formed in the top of the vertical section of bending plate 71. The end of the auxiliary link 73 connected with the main link 72 is arc-shaped, and the arc-shaped is matched with the arc-shaped opening and can be clamped in the arc-shaped notch. The auxiliary connecting rod 73 is provided with a bayonet facing the quick clamp mounting seat 76, when the arc end face of the auxiliary connecting rod 73 is clamped in the arc notch, the main connecting rod 72 is in a horizontal state and is suspended above the sub-frame 661 to be measured, and the bayonet is clamped on the main connecting rod 72 at the moment and limits the main connecting rod 72.

As shown in fig. 4, a strip-shaped hole is opened on a section of the main link 72 away from the bending plate 71, the length direction of the strip-shaped hole is parallel to the length direction of the main link 72, the orifice of the strip-shaped hole can face the quick clamp mounting seat 76, and the press rod 75 is installed in the strip-shaped hole.

The pressing rod 75 comprises an installation rod 751 provided with external threads and penetrating through the strip-shaped hole, two backing plates 753 sleeved on the installation rod 751 and respectively located on two opposite sides of the main connecting rod 72, two nuts 754 in threaded connection on the installation rod 751 and respectively located on two opposite sides of the two backing plates 753, and a butting column 752 fixedly arranged at the lower end of the installation rod 751, wherein the butting column 752 is made of flexible materials, such as rubber, plastic and the like.

The opposite sides of the base plate 753 are bent to make the base plate 753 in a groove shape, and the notch of the base plate 753 can be buckled on the main connecting rod 72, so that the installation stability of the pressure lever 75 when being installed on the main connecting rod 72 can be improved.

After the stator to be measured is placed on the sub-frame 661 to be measured, the handle 74 is turned to the sub-frame 661 to be measured, and when the bayonet is engaged with the main link 72, the abutment post 752 abuts against the stator to be measured. The positions of the two nuts 754 on the mounting rod 751 are adjusted according to the diameter of the actual stator to be measured, so that the distance between the abutting column 752 and the stator to be measured is adjusted, the fast clamping device 7 can stably clamp stators to be measured with different diameters, and the applicability of the fast clamping device 7 is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A DC brushless motor loading detection device is characterized by comprising

2. The brushless dc motor load detection device of claim 1, wherein said propulsion means comprises a guide rail disposed on said first base plate; the loading device further comprises a sliding block fixedly arranged on the lower portion of the motor mounting plate, the sliding block is matched with the guide rail, and the sliding block is slidably arranged on the guide rail.

3. The loading detection device of claim 1, further comprising a quick clamping device, wherein the quick clamping device comprises two bending plates, a main connecting rod, an auxiliary connecting rod, a handle and a pressing rod, the two bending plates are spaced apart from each other, one end of the main connecting rod is rotatably disposed between the two bending plates, two ends of the auxiliary connecting rod are rotatably connected to the main connecting rod and the handle, respectively, one end of the handle is rotatably connected to the bending plates, and the pressing rod is adjustably disposed on a section of the main connecting rod away from the bending plates;

4. The loading detection device of claim 3, wherein a section of the main link rod away from the bending plate is provided with a strip-shaped hole for mounting the compression bar along a length direction of the main link rod;

5. The loading detection device of claim 4, wherein an abutting column is fixedly arranged at one end of the mounting rod, and the abutting column is a flexible member.

6. The loading detection device of claim 1, further comprising a detection control cabinet, wherein the detection control cabinet is electrically connected to the electronic loading control cabinet.

7. The loading detection device of claim 6, wherein the loading detection device further comprises a shield, the shield comprises a lower shield, a top plate and at least four foot cups, the detection control cabinet and the electronic loading control cabinet are both mounted on the lower shield, the top plate is horizontally disposed on the upper portion of the lower shield, the propulsion device and the loading device are both located on the top plate, the number of the foot cups is at least four, and the at least four foot cups are fixedly disposed on the lower portion of the lower shield and uniformly distributed on the lower shield.

8. The brushless DC motor loading detection apparatus according to claim 7, the guard shield still includes the upper shield, the fixed setting of upper shield is in roof upper portion, just the upper shield has seted up uncovered.

9. The loading detecting device of claim 8, wherein two safety light curtains are fixed inside the upper shield, and the two safety light curtains are symmetrically disposed on two sides of the opening.

10. The loading detection device of claim 7, wherein the top plate is provided with an emergency stop switch, and the emergency stop switch is electrically connected to both the detection control cabinet and the electronic loading control cabinet.