CN115901145A - Single motor controller vibration testing arrangement - Google Patents

Abstract

The invention provides a single motor controller vibration testing device, which comprises a vibration table, a vibration table and a vibration sensor, wherein the vibration table is provided with a vibration table; the vertical controller and wire harness fixing assembly is fixedly arranged on the vibrating table and is used for vertically arranging the single motor controller on the vibrating table and fixing a high-voltage wire harness and a low-voltage wire harness of the single motor controller, wherein the high-voltage wire harness and the low-voltage wire harness are vertical to the vibrating table; the vertical three-phase wire and water pipe fixing assembly is fixedly arranged on the vibrating table and used for fixing a three-phase wire harness and a water pipe of the vertical single-motor controller, wherein the three-phase wire harness and the water pipe are parallel to the vibrating table; the horizontal wire harness fixing assembly is fixedly arranged on the vibrating table and used for fixing a high-voltage wire harness and a low-voltage wire harness of the horizontal single motor controller, wherein the high-voltage wire harness and the low-voltage wire harness are parallel to the vibrating table; and the horizontal three-phase line and water pipe fixing component is fixedly arranged on the vibrating table and used for fixing a three-phase wire harness and a water pipe of the horizontal single motor controller, and the three-phase wire harness and the water pipe are parallel to the vibrating table. The single motor controller vibration testing device combines the mechanical principle and the working condition analysis, has compact structure, high strength and easy control, and can horizontally and vertically place the single motor controller at the same time.

Description

Single motor controller vibration testing arrangement

Technical Field

The invention relates to the technical field of vibration testing of a single motor controller of a new energy automobile, in particular to a single motor controller vibration testing device which is particularly suitable for a new energy automobile controller.

Background

In order to respond to the new energy strategy, new energy vehicles represented by pure electric vehicles and hybrid electric vehicles are developed vigorously, and controllers serving as essential components of the new energy vehicles are continuously mature. At present, a controller for a new energy automobile can be divided into a single-motor controller and a double-motor controller, and the single-motor controller is simple in structure, small in size and small in vibration input grade compared with the double-motor controller, and is mainly used for pure electric automobiles. One of the indexes for testing the reliability of the single motor controller is the vibration test result, and the single motor controller is required to be consistent with the attitude of the single motor controller assembled in the whole vehicle during vibration test.

The traditional vibration testing device provided on the market today is generally complex in connection and supporting structure, and the overall layout of each part is not compact enough, resulting in that the testing device has too high overall device material consumption, complex fixed connection mode, too long testing preparation time, and promoted single motor controller vibration testing cost. Furthermore, existing test devices typically only simulate a single motor controller in either a vertical or horizontal attitude.

Therefore, the vibration testing device for the single motor controller of the new energy automobile, which has a simple and compact overall structure, is convenient and fast to fixedly connect and can simulate the single motor controller in a vertical or horizontal posture simultaneously, is provided while the strength of the overall structure is ensured, and the technical problem to be solved in the field is urgently solved.

Disclosure of Invention

The invention provides a single motor controller vibration testing device which is particularly suitable for a new energy automobile controller and aims to solve the technical problem that a new energy automobile single motor controller vibration testing device which is simple and compact in overall structure, convenient and fast to fix and connect and can simultaneously simulate a vertical or horizontal posture single motor controller is lacked in the prior art.

In order to solve the technical problems, the invention adopts the technical scheme that:

the invention provides a single motor controller vibration testing device, which comprises:

the vibration table is used for transmitting a vibration source generated by vibration equipment;

the vertical controller and wire harness fixing assembly is fixedly arranged on the vibrating table and is used for vertically arranging the single motor controller on the vibrating table and fixing a high-voltage wire harness and a low-voltage wire harness, perpendicular to the vibrating table, of the single motor controller;

the vertical three-phase wire and water pipe fixing assembly is fixedly arranged on the vibrating table and is used for fixing a three-phase wire harness and a water pipe which are parallel to the vibrating table and are vertically arranged on the single motor controller on the vibrating table;

the horizontal wire harness fixing assembly is fixedly arranged on the vibrating table and used for fixing a high-voltage wire harness and a low-voltage wire harness which are parallel to the vibrating table and horizontally arranged on a single motor controller of the vibrating table;

the horizontal three-phase wire and water pipe fixing assembly is fixedly installed on the vibrating table and used for fixing a three-phase wire harness and a water pipe, parallel to the vibrating table, of the single-motor controller horizontally installed on the vibrating table.

Preferably, the vertical controller and harness fixing assembly comprises:

the first bracket is vertically arranged on the vibration table and is used for fixedly arranging the single motor controller and enabling the single motor controller to be vertical to the vibration table; the vertical high-voltage wire harness fixing part and the vertical low-voltage wire harness fixing part are fixedly installed on the top end, far away from the vibrating table, of the first support, and the vertical high-voltage wire harness fixing part and the vertical low-voltage wire harness fixing part correspond to the high-voltage wire harness and the low-voltage wire harness, perpendicular to the vibrating table, of the single motor controller respectively.

Preferably, the first bracket includes: the vibration table comprises a first vertical plate vertically arranged on the vibration table and at least one first reinforcing rib fixedly connected between the first vertical plate and the vibration table;

the vertical high-voltage wire harness fixing part and the vertical low-voltage wire harness fixing part are L-shaped bent sheet metal parts, and one ends, perpendicular to the vibrating table, of the vertical high-voltage wire harness fixing part and one ends, perpendicular to the vibrating table, of the vertical low-voltage wire harness fixing part are fixed to the top end of the first vertical plate;

vertical controller still includes with fixed subassembly of pencil:

the vertical high-voltage wire harness pressing block is detachably mounted at one end, parallel to the vibrating table, of the vertical high-voltage wire harness fixing part, the other end, parallel to the vibrating table, of the vertical high-voltage wire harness fixing part and the vertical high-voltage wire harness pressing block are respectively provided with at least one pair of vertical high-voltage wire harness clamping grooves which are correspondingly matched with each other, and the corresponding vertical high-voltage wire harness clamping grooves form vertical wire fixing holes for fixing high-voltage wire harnesses vertical to the vibrating table;

the other end of the vertical low-voltage wire harness fixing part parallel to the vibrating table is provided with a vertical low-voltage wire harness clamping groove used for clamping a low-voltage wire harness perpendicular to the vibrating table and a ribbon fixing groove used for fixing the low-voltage wire harness perpendicular to the vibrating table.

Preferably, the vertical three-phase line and water pipe fixing assembly comprises:

and the two sides of the second support are respectively and correspondingly used for fixing a three-phase wire harness and a water pipe which are parallel to the vibrating table and are vertically arranged on the single motor controller on the vibrating table.

Further, the second bracket includes: the fixed section is parallel to and fixedly arranged on the vibration table, and the extending section is perpendicular to the vibration table and extends upwards from the fixed section away from the vibration table; at least one second reinforcing rib fixedly connected between the extension section and the vibration table;

vertical three-phase line still includes with the fixed subassembly of water pipe:

the first water pipe pressing block is detachably arranged on one side of the extension section, at least two pairs of first water pipe clamping grooves which are correspondingly matched are respectively arranged on one side of the extension section and the first water pipe pressing block, and the corresponding first water pipe clamping grooves form a first water pipe fixing hole which is used for fixing a water pipe of a single motor controller vertically arranged on the vibration table and is parallel to the vibration table;

the first three-phase wire harness pressing block is detachably installed on the other side of the extension section, three pairs of first three-phase wire clamping grooves which are correspondingly matched are respectively arranged on the other side of the extension section and the first three-phase wire harness pressing block, and the corresponding first three-phase wire clamping grooves form first three-phase wire fixing holes which are used for fixing three-phase wire harnesses which are vertically installed on a single motor controller on the vibration table and are parallel to the vibration table.

Preferably, the horizontal harness fixing assembly includes:

and the upper end and the lower end of the third support are respectively and correspondingly provided with a high-voltage wire harness and a low-voltage wire harness which are used for fixing the single motor controller and are parallel to the vibrating table.

Further, the third bracket includes: the second vertical plate is vertically arranged on the vibration table;

the horizontal wire harness fixing assembly further comprises:

the horizontal high-voltage wiring harness pressing block is detachably mounted at the top end, far away from the vibration table, of the second vertical plate, at least one pair of horizontal high-voltage wiring harness clamping grooves which are correspondingly matched with each other are formed in the top end, far away from the vibration table, of the second vertical plate and the horizontal high-voltage wiring harness pressing block respectively, and the corresponding horizontal high-voltage wiring harness clamping grooves form a horizontal wire fixing hole used for fixing a high-voltage wiring harness parallel to the vibration table; the top that the shaking table was kept away from to the second riser is equipped with the horizontal low pressure pencil draw-in groove that is used for the joint to be on a parallel with the low pressure pencil of shaking table, and the second riser is close to horizontal low pressure pencil draw-in groove department and is equipped with at least one ribbon fixed orifices that is used for fixed low pressure pencil that is on a parallel with the shaking table.

Preferably, the horizontal three-phase line and water pipe fixing assembly comprises:

and the upper end and the lower end of the fourth support are respectively and correspondingly used for fixing a three-phase wire harness and a water pipe which are parallel to the vibrating table and are parallelly arranged on the single motor controller which is arranged on the vibrating table in parallel.

Further, the fourth bracket includes: the second water pipe pressing block is fixedly arranged on the vibration table;

horizontal three-phase line still includes with the fixed subassembly of water pipe:

the third vertical plate is detachably mounted on the second water pipe pressing block, at least two pairs of second water pipe clamping grooves which are correspondingly matched are respectively arranged at the top end of the second water pipe pressing block, which is far away from the vibration table, and the bottom end of the third vertical plate, which faces the vibration table, and the corresponding second water pipe clamping grooves form second water pipe fixing holes for fixing water pipes, which are parallel to the vibration table, of the single motor controller which is mounted on the vibration table in parallel;

the second three-phase wire harness pressing block is detachably installed on the third vertical plate, the top of the vibrating table, facing away from the third vertical plate, and the first three-phase wire harness pressing block are respectively provided with three pairs of second three-phase wire clamping grooves in corresponding matching, and the corresponding second three-phase wire clamping grooves form second three-phase wire fixing holes for fixing the three-phase wire harnesses which are parallel to the vibrating table and are parallelly installed on the single motor controller on the vibrating table in parallel.

Further, the single motor controller vibration testing apparatus further includes:

the device comprises a test mounting plate fixedly mounted on a vibrating table, wherein a vertical controller and wire harness fixing component, a vertical three-phase wire and water pipe fixing component, a horizontal wire harness fixing component, a horizontal three-phase wire and water pipe fixing component and a single motor controller horizontally mounted on the vibrating table are fixedly mounted on the test mounting plate;

the single motor controller includes:

the high-voltage plug-in unit comprises a shell, two water pipes detachably mounted on one side of the shell, a three-phase wire plug-in unit with a three-phase wire harness, a high-voltage plug-in unit with a high-voltage wire harness and a low-voltage plug-in unit with a low-voltage wire harness, wherein the high-voltage plug-in unit and the low-voltage plug-in unit are detachably mounted on the other adjacent side of the shell.

Compared with the prior art, the vibration test connection structure of the vibration test device for the single-motor controller, which is designed by combining the structural mechanics principle and the analysis and optimization of the vibration test working condition, has the advantages of compact layout, high strength and convenient operation and control, can meet the requirements of a vibration test with the single-motor controller horizontally placed and a vibration test with the single-motor controller vertically placed at the same time, and effectively saves the test cost and test resources.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the vibration testing apparatus of the single motor controller of the present invention;

FIG. 2 is a top plan view of the overall construction of an embodiment of the single motor controller vibration testing apparatus of the present invention;

FIG. 3 is a schematic diagram of an explosive structure of an embodiment of the single motor controller vibration testing apparatus of the present invention;

FIG. 4 is an exploded view of the vertical single motor controller of FIG. 3 from another perspective;

FIG. 5 is an exploded view of the vertical controller and harness retainer assembly of FIG. 3 from another perspective;

FIG. 6 is an exploded perspective view of the vertical three-phase line and water pipe fixing assembly of FIG. 3 from another perspective;

FIG. 7 is an exploded view of the horizontal wire harness attachment assembly of FIG. 3 from another perspective;

fig. 8 is an exploded perspective view of the horizontal three-phase wire and water pipe fixing assembly of fig. 3 from another perspective.

Wherein, in the drawings, the reference numerals are mainly as follows:

1. a vibration table; 11. vibrating the mounting plate; 2. a vertical single motor controller; 21. a bottom case; 22. a top shell; 23. a high-voltage plug-in; 231. a high voltage wire harness; 24. a low-voltage plug-in; 241. a low voltage wire harness; 25. a water channel cover plate; 26. a water pipe; 27. a three-phase line card; 271. a three-phase wire harness; 3. a horizontal single motor controller; 4. the vertical controller and the wire harness fixing assembly; 41. a first vertical plate; 42. a vertical high-voltage wire harness fixing part; 43. vertically pressing the high-voltage wire harness; 44. a vertical low-voltage wire harness fixing part; 441. a vertical low-voltage wire harness clamping groove; 442. a binding belt fixing groove; 45. a first reinforcing rib; 46. a vertical high-voltage wire harness clamping groove; 47. a vertical wire fixing hole; 5. the vertical three-phase line and water pipe fixing component; 51. a fixed section; 52. an extension section; 53. a first three-phase wire harness pressing block; 54. a first water pipe pressing block; 55. a second reinforcing rib; 56. a first water pipe clamp groove; 57. a first water pipe fixing hole; 58. a first three-phase wire card slot; 59. a first three-phase line fixing hole; 6. a horizontal harness securing assembly; 61. a second vertical plate; 62. horizontal high-voltage wire harness pressing blocks; 63. a horizontal high-voltage wire harness clamping groove; 64. a horizontal wire fixing hole; 65. a horizontal low-voltage wire harness clamping groove; 66. a strap fixing hole; 7. the horizontal three-phase line and water pipe fixing component; 71. pressing the second water pipe; 72. a third vertical plate; 73. a second three-phase wire harness pressing block; 74. a second water pipe clamp groove; 75. a second water pipe fixing hole; 76. a second three-phase line card slot; 77. a second three-phase line fixing hole; 8. screw holes; 9. bolt holes.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the following will explain the principle and structure of the present invention in detail with reference to fig. 1-8 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

Referring to fig. 1-8, the present invention provides a vibration testing apparatus for a single motor controller, comprising:

the vibration table 1 is used for transmitting a vibration source generated by vibration equipment, and the vibration table 1 is preferably rectangular, and can also adopt a platform with a round or other shape and a horizontal top surface; the vertical controller and wire harness fixing assembly 4 is fixedly arranged on the vibration table 1 and is used for vertically arranging the single motor controller on the horizontal top surface of the vibration table 1 and fixing the high-voltage wire harness 231 and the low-voltage wire harness 241 of the single motor controller, which are vertical to the vibration table 1; in this embodiment, the single-motor controller includes a vertical single-motor controller 2 perpendicular to a horizontal plane and a horizontal single-motor controller 3 parallel to the horizontal plane according to a posture of the single-motor controller when assembled in a whole vehicle, the single-motor controller vibration testing device can simultaneously and fixedly mount the vertical single-motor controller 2 and the horizontal single-motor controller 3 at a time, the two controllers have the same structure and are perpendicular to each other in posture, and the single-motor controller and the horizontal single-motor controller 3 both adopt a rectangular single-motor controller, when the rectangular single-motor controller is perpendicular to a vibrating table 1 (i.e., the horizontal plane) (i.e., the vertical single-motor controller 2), corresponding postures of a high-voltage harness 231 and a low-voltage harness 241 at one side end of the rectangular single-motor controller in the whole vehicle are generally perpendicular to the horizontal plane (i.e., perpendicular to the vibrating table 1), as shown in fig. 1-3; the vertical three-phase line and water pipe 26 fixing component is fixedly arranged on the vibrating table 1 and is used for fixing a three-phase wire harness 271 of a single motor controller vertically arranged on the vibrating table 1 and the water pipe 26, wherein the three-phase wire harness is parallel to the vibrating table 1; at this time, the three-phase wire harness 271 of the other side end of the vertical single-motor controller 2 adjacent to the high-voltage wire harness 231 and the low-voltage wire harness 241 and the water pipe 26 are in a corresponding posture in the whole vehicle, which is generally parallel to the horizontal plane, i.e., parallel to the vibration table 1 (perpendicular to the extending direction of the high-voltage wire harness 231 and the low-voltage wire harness 241), as shown in fig. 1 to 3.

Referring to fig. 1-3, the vibration testing apparatus for a single-motor controller according to the present invention further includes:

a horizontal harness fixing assembly 6 fixedly installed on the vibration table 1 for fixing the high voltage harness 231 and the low voltage harness 241 of the horizontal single motor controller 3 horizontally installed on the vibration table 1 in parallel to the vibration table 1; and the horizontal three-phase line and water pipe 26 fixing assembly is fixedly arranged on the vibrating table 1 and is used for fixing a three-phase wiring harness 271 of the horizontal single-motor controller 3, which is parallel to the vibrating table 1, and the water pipe 26. When the rectangular single-motor controller is parallel to the vibration table 1, i.e. the horizontal plane (i.e. the horizontal single-motor controller 3), the corresponding postures of the high-voltage wire harness 231 and the low-voltage wire harness 241 at one side end of the whole vehicle are generally in postures parallel to the horizontal plane, i.e. parallel to the vibration table 1, as shown in fig. 1-3; at this time, the three-phase wire harness 271 of the other side end of the horizontal single-motor controller 3 adjacent to the high-voltage wire harness 231 and the low-voltage wire harness 241 and the water pipe 26 are in a posture generally parallel to the horizontal plane, that is, parallel to the vibration table 1 (perpendicular to the extending direction of the high-voltage wire harness 231 and the low-voltage wire harness 241) in the entire vehicle, as shown in fig. 1 to 3.

In this embodiment, the single-motor controller vibration testing apparatus further includes:

the test device comprises a test mounting plate fixedly mounted on a vibrating table 1, a vertical controller and wire harness fixing component 4, a vertical three-phase line and water pipe 26 fixing component, a horizontal wire harness fixing component 6, a horizontal three-phase line and water pipe 26 fixing component and a horizontal single motor controller 3 horizontally mounted on the vibrating table 1, wherein the vertical controller and wire harness fixing component, the horizontal three-phase line and water pipe 26 fixing component and the horizontal single motor controller 3 are fixedly mounted on a working surface of the test mounting plate. As a preferable embodiment, a plurality of counter bores with the diameters of 17.5mm and 13mm are formed in the test mounting plate, so that bolts can penetrate through the counter bores and fix the test mounting plate on vibrating tables 1 with different specifications and models, and the horizontal top surface of the vibrating table 1 is provided with threaded holes matched with the test mounting plate and connected with the tail ends of the bolts in a threaded mode.

Taking the vertical single-motor controller 2 as an example (the structure of the horizontal single-motor controller 3 refers to the vertical single-motor controller 2), referring to fig. 1-4 together, in this embodiment, the vertical single-motor controller 2 includes:

the three-phase wire harness comprises a shell, two water pipes 26 and a three-phase wire plug-in 27 with a three-phase wire harness 271 which are detachably arranged on one side of the shell, and a high-voltage plug-in 23 with a high-voltage wire harness 231 and a low-voltage plug-in 24 with a low-voltage wire harness 241 which are detachably arranged on the other adjacent side of the shell. As an embodiment, the housing includes a bottom case 21 as a main body and a top case 22 installed to close an opening at a top end of the bottom case 21, and the bottom case 21 and the top case 22 may enclose an internal accommodating space for installing components of the single motor controller. As a preferred embodiment, at least one third rib is disposed on the upper surface of the top end of the top shell 22, and according to the principle of modal analysis in structural dynamics, the first-order mode of the upper surface of the top shell 22 is close to the operating frequency of the motor, so that the top shell 22 is easily damaged due to resonance, and therefore, in order to increase the frequency of the first-order mode, at least one third rib is disposed on the upper surface of the top end of the top shell 22, so as to avoid the risk of resonance of the top shell 22. In a preferred embodiment, the rim of the bottom opening of the top shell 22 and the rim of the top opening of the bottom shell 21 are correspondingly fitted and locked by a plurality of bolts or fasteners, so that the top shell 22 is fastened to the bottom shell 21 and closes the top opening of the bottom shell 21. In a preferred embodiment, a sealing ring or an adhesive may be disposed on the abutting contact surface between the top case 22 and the bottom case 21 to fill the gap between the contact surfaces, so as to prevent air leakage caused by the sealing between the abutting contact surfaces between the top case 22 and the bottom case 21. In the embodiment, the shell is made of an aluminum alloy material, so that the overall weight of the single motor controller is effectively reduced on the premise of ensuring the structural strength and rigidity of the single motor controller, and meanwhile, the single motor controller for the vibration test of the single motor controller is convenient to assemble and the cost of the whole vehicle is convenient to control; in other embodiments, the housing may be made of steel or other hard metal or alloy material.

In this embodiment, the three-phase line plug-in 27 with the three-phase wire harness 271 is fixedly connected to a side wall of one end of the bottom case 21, the two water pipes 26 are a water inlet pipe and a water outlet pipe, respectively, and the water inlet pipe and the water outlet pipe are correspondingly connected to a water inlet and a water outlet arranged on a side wall (the same side wall where the three-phase line plug-in 27 is arranged) of one end of the bottom case 21; the high-voltage plug-in 23 is fixedly mounted on the bottom shell 21 through a matching hole formed on the side wall of the adjacent other end of the bottom shell 21 (the side wall of the adjacent end of the side wall provided with the three-phase line plug-in 27 and the two water pipes 26), and the low-voltage plug-in 24 is fixedly mounted on the bottom shell 21 on one side of the high-voltage plug-in 23 through a matching concave surface or a mounting groove formed on the side wall of the same end of the bottom shell 21. In one embodiment, the high-voltage plug 23 is provided with two high-voltage wire harnesses 231, the low-voltage plug 24 is provided with a portion of the low-voltage wire harness 241 close to the bottom case 21 perpendicular to the adjacent other end side wall of the bottom case 21 where the low-voltage plug 24 is installed, and the end of the low-voltage wire harness 241 far from the bottom case 21 is bent and parallel to the adjacent other end side wall of the bottom case 21 where the low-voltage plug 24 is installed.

In this embodiment, the vertical single-motor controller 2 further includes:

the waterway cover plate 25 is fixed to the back side (i.e., the bottom outer side) of the bottom case 21 away from the top case 22 by a plurality of bolts or a snap structure or welding. In one embodiment, an annular water channel is provided on the back surface of the bottom shell 21 away from the top shell 22 for cooling the power devices of the single motor controller accommodated in the internal accommodation space enclosed by the bottom shell 21 and the top shell 22; in a preferred embodiment, the water channel on the bottom shell 21 is sealed by a sealant between an annular water channel provided on the back of the bottom shell 21 facing away from the top shell 22 and the water channel cover plate 25 to improve the sealing performance.

Referring to fig. 1-3 and 5, in the present embodiment, the vertical controller and the wire harness fixing assembly 4 includes:

the first bracket is vertically arranged on the test mounting plate horizontally arranged on the vibration table 1 and is used for fixedly mounting the single-motor controller and enabling the single-motor controller to be vertical to the horizontal top surface of the vibration table 1; the vertical high-voltage wire harness fixing part 42 and the vertical low-voltage wire harness fixing part 44 are fixedly installed on the top end, far away from the vibrating table 1, of the first support, and the vertical high-voltage wire harness fixing part 42 and the vertical low-voltage wire harness fixing part 44 are respectively and correspondingly used for fixing a high-voltage wire harness 231 and a low-voltage wire harness 241, perpendicular to the vibrating table 1, of the single-motor controller. In this embodiment, the first bracket includes: the vibration table comprises a first vertical plate 41 vertically arranged on the vibration table 1, and at least one first reinforcing rib 45 fixedly connected between the first vertical plate 41 and the vibration table 1; in one embodiment, the first ribs 45 are triangular ribs; in other embodiments, the first reinforcing ribs 45 may also be rectangular or other shaped reinforcing ribs; as a preferred embodiment, the bottom of the first vertical plate 41 is fixed on the test mounting plate by a connecting structure that two or more screws pass through the corresponding screw holes 8 (which can be welded again), the first reinforcing rib 45 is fixed on the first vertical plate 41 and the test mounting plate by a connecting structure that screws (which can be welded again), and the overall structural strength and rigidity of the vertical controller and the wire harness fixing component 4 are increased by the connecting structure that screws or bolts are welded again, so that the vibration test stability of the single motor controller is higher, the process is more controllable, and the test result is more accurate. In this embodiment, the light hole (being the through-hole) cooperation bolt that vertical single motor controller 2's drain pan 21 set up through its four supporting angles fastens on riser 41, through the zonulae occludens between each part of vertical controller and pencil fixed subassembly 4 and vertical single motor controller 2, make single motor controller vibration testing arrangement still keep overall structure compact after installation of vertical single motor controller 2, light weight, it is less to occupy installation space, alleviate the vibration testing arrangement assembly degree of difficulty, reduce vibration testing arrangement manufacturing cost, reduce vibration test preparation time, adapt to the miniaturized development trend of single motor controller more.

In this embodiment, the vertical high-voltage wire harness fixing part 42 and the vertical low-voltage wire harness fixing part 44 are L-shaped bent sheet metal parts, and the bent parts of the ends, perpendicular to the vibrating table 1, of the vertical high-voltage wire harness fixing part 42 and the vertical low-voltage wire harness fixing part 44 are fixed to the top end of the first vertical plate 41 through two or more bolts or buckle structures or welding (the bent parts are parallelly attached to the surface, away from or facing the vertical single-motor controller 2, of the first vertical plate 41, and in this embodiment, are mounted to the surface, away from the vertical single-motor controller 2, of the first vertical plate 41); vertical controller still includes with fixed subassembly 4 of pencil: the vertical high-voltage wiring harness pressing block 43 is detachably mounted on the other end bending part of the vertical high-voltage wiring harness fixing part 42 parallel to the vibrating table 1 through two or more screws penetrating through the corresponding screw holes 8 or the buckle structures, the other end bending part of the vertical high-voltage wiring harness fixing part 42 parallel to the vibrating table 1 and the vertical high-voltage wiring harness pressing block 43 are respectively provided with at least one pair of vertical high-voltage wiring harness 231 clamping grooves which are correspondingly matched, the corresponding vertical high-voltage wiring harness 231 clamping grooves form a vertical wire fixing hole 47, the high-voltage wiring harness 231 vertical to the high-voltage plug-in part 23 of the vibrating table 1 is tightly pressed and fixed in the vertical wire fixing hole 47 formed by matching between the vertical high-voltage wiring harness pressing block 43 and the vertical high-voltage wiring harness fixing part 42, and the wiring harness and the device are prevented from being worn due to swinging of the high-voltage wiring harness 231 during vibration testing; vertical low pressure pencil mounting 44 is on a parallel with the other end portion of bending of shaking table 1 and is equipped with the vertical low pressure pencil draw-in groove 441 that is used for the low pressure pencil 241 of joint perpendicular to shaking table 1 and the ribbon fixed slot 442 that is used for the low pressure pencil 241 of fixed perpendicular to shaking table 1, because the line footpath of low pressure pencil 241 is less relatively, and relatively more soft, need just can fix it firmly through flexible ribbon, so it adopts ribbon and ribbon fixed slot 442 to bind the cooperation, can firmly bind flexible low pressure pencil 241 in, it is long when reducing spare part material consumption and processing, thereby improve production efficiency and reduction in production cost. As a preferred embodiment, the notch of the strap fixing groove 442 is provided with a connecting beam for binding and fixing a strap of the low voltage wire harness 241, the end of the low voltage wire harness 241 of the low voltage plug-in 24 and the bent part near one end of the bottom case 21 are penetrated and fastened by the strap on the connecting beam of the strap fixing groove 442 and the notch thereof and abut against the vertical low voltage wire harness clamping groove 441 of the vertical low voltage wire harness fixing part 44, so that the wire harness and the device are prevented from being abraded due to the swinging of the low voltage wire harness 241 during the vibration test.

Referring to fig. 1-3 and 6, the vertical three-phase line and water pipe 26 fixing assembly includes:

and the two sides of the second support are respectively and correspondingly used for fixing a three-phase wire harness 271 and a water pipe 26 of the vertical single-motor controller 2 vertically arranged on (the test mounting plate on the horizontal top surface of) the vibrating table 1, wherein the three-phase wire harness is parallel to the three-phase wire plug-in 27 of the vibrating table 1. In this embodiment, the second bracket includes: the vibration table comprises a fixed section 51 and an extending section 52 which are perpendicular to each other, wherein the fixed section 51 is parallel to and fixedly arranged on the vibration table 1, and the extending section 52 is perpendicular to the vibration table 1 and extends upwards from the fixed section 51 away from the vibration table 1; in a preferred embodiment, the bottom of the fixed segment 51 is fastened to the test mounting plate by two or more bolts through corresponding bolt holes 9; at least one second reinforcing rib 55 fixedly connected between the extension 52 and the vibration table 1; in one embodiment, the second ribs 55 are triangular ribs; in other embodiments, the second reinforcing ribs 55 may also be rectangular or other shaped reinforcing ribs; as a preferred embodiment, the extension section 52 is disposed in the middle of the fixing section 51, that is, the fixing section 51 and the extension section 52 perpendicular to each other constitute a second bracket in a T shape, the second bracket is fixed to the test mounting plate through a connecting structure of two or more screws passing through corresponding screw holes 8 (which can be welded) at the bottom of the fixing section 51, and the second reinforcing rib 55 is fixed to the second bracket (the fixing section 51 and the extension section 52) and the test mounting plate through a connecting structure of screwing (which can be welded) together. Through the connecting structure of screwing and bolt re-welding, the overall structural strength and rigidity of the vertical three-phase line and water pipe 26 fixing assembly are increased, so that the vibration test stability of the single motor controller is higher, the process is more controllable, and the test result is more accurate.

In this embodiment, the vertical three-phase line and water pipe 26 fixing assembly further includes:

the first water pipe pressing block 54 is detachably mounted on one side of the extension section 52 by two or more screws passing through corresponding screw holes 8 or a buckle structure in the reverse direction, at least two pairs of first water pipe clamping grooves 56 which are correspondingly matched are respectively arranged on one side of the extension section 52 and the first water pipe pressing block 54, and the corresponding first water pipe clamping grooves 56 form a first water pipe 26 fixing hole which is used for pressing and fixing the other end, parallel to the water pipe 26 of the vibration table 1, of the single motor controller vertically mounted on the vibration table 1 (one end of the water pipe 26 is connected to a water inlet or a water outlet on the side wall of the bottom shell 21 of the vertical single motor controller 2); the first three-phase wire harness pressing block 53 is detachably mounted on the other side of the extension section 52 by two or more screws penetrating through corresponding screw holes 8 or a buckle structure, the other side of the extension section 52 and the first three-phase wire harness pressing block 53 are respectively provided with three pairs of first three-phase wire clamping grooves 58 which are correspondingly matched, and the corresponding first three-phase wire clamping grooves 58 form a first three-phase wire fixing hole 59 for pressing and fixing the other end of the single-motor controller vertically mounted on the vibration table 1, which is parallel to the three-phase wire harness 271 of the vibration table 1 (one end of the three-phase wire harness 271 is connected with a three-phase wire plug-in 27 arranged on the side wall of the bottom shell 21 of the vertical single-motor controller 2); through the fastening connection among the first water pipe pressing block 54, the extension section 52 of the second bracket, the first three-phase wire harness pressing block 53 and the fixing section 51 of the second bracket and the test mounting plate, a fixing structure capable of fixing the water pipe 26 and the three-phase wire harness 271 of the vertical single-motor controller 2 assembly is formed.

Referring to fig. 1-3 and 7, the horizontal harness fixing member 6 includes:

and a third bracket vertically arranged on the vibration table 1, wherein the upper end and the lower end of the third bracket are respectively and correspondingly provided with a high-voltage wire harness 231 and a low-voltage wire harness 241 which are used for fixing the horizontal single-motor controller 3 and are parallel to the vibration table 1. In the present embodiment, the bottom case 21 of the horizontal single-motor controller 3 is fastened to the test mounting plate by fitting bolts through the light holes (i.e., through holes) provided at the four corners thereof; the third bracket includes: a second vertical plate 61 of the test mounting plate vertically mounted on the horizontal top surface of the vibration table 1; in a preferred embodiment, the bottom of the second vertical plate 61 is fixed on the test mounting plate by a connecting structure of two or more bolts passing through corresponding bolt holes 9 (which can be welded again); in the present embodiment, the horizontal harness fixing member 6 further includes: the horizontal high-voltage wiring harness pressing block 62 is detachably mounted at the top end, far away from the vibration table 1, of the second vertical plate 61 through two or more screws penetrating through corresponding screw holes 8 or a buckle structure, at least one pair of horizontal high-voltage wiring harness clamping grooves 63 which are correspondingly matched with each other are respectively arranged at the top end, far away from the vibration table 1, of the second vertical plate 61 and the horizontal high-voltage wiring harness pressing block 62, the corresponding horizontal high-voltage wiring harness clamping grooves 63 form a horizontal wiring fixing hole 64, and the high-voltage wiring harness 231 parallel to the high-voltage plug-in 23 of the vibration table 1 is tightly pressed and fixed in the horizontal wiring fixing hole 64 formed by matching between the horizontal high-voltage wiring harness pressing block 62 and the second vertical plate 61, so that the wiring harness and the device are prevented from being abraded due to swinging of the high-voltage wiring harness 231 during vibration testing; the top that the shaking table 1 was kept away from to the second riser 61 is equipped with the horizontal low pressure pencil draw-in groove 65 that is used for the joint to be on a parallel with the low pressure pencil 241 of shaking table 1, the second riser 61 is close to horizontal low pressure pencil draw-in groove 65 department and is equipped with at least one ribbon fixed orifices 66 that is used for fixed low pressure pencil 241 that is on a parallel with shaking table 1, this ribbon fixed orifices 66 preferably is provided with threely, and this ribbon fixed orifices 66 preferably adopts the through-hole that the diameter is 6mm, so that the ribbon passes and fixes and support the end in the horizontal low pressure pencil draw-in groove 65 of second riser 61 with the low pressure pencil 241 of low pressure plug-in 24, low pressure pencil 241 swing makes pencil and device take place wearing and tearing during the vibration test. Through the close connection between each part of the horizontal wire harness fixing assembly 6 and the horizontal single motor controller 3, the single motor controller vibration testing device still keeps compact overall structure, light weight and small occupied installation space after the vertical single motor controller 2 and the horizontal single motor controller 3 are installed at the same time, the assembly difficulty of the vibration testing device is reduced, the manufacturing cost of the vibration testing device is reduced, and the preparation time of vibration testing is shortened.

Referring to fig. 1-3 and 8, the horizontal three-phase line and water pipe 26 fixing assembly includes:

and the upper end and the lower end of the fourth support are respectively corresponding to a three-phase wiring harness 271 and a water pipe 26 which are parallel to the vibrating table 1 and are used for fixing a single-motor controller which is arranged on (a test mounting plate on the horizontal top surface of) the vibrating table 1 in parallel. In this embodiment, the fourth bracket includes: second water pipe briquetting 71, this second water pipe briquetting 71 are preferably rectangular shape, before test mounting panel and shaking table 1 assemble, deviate from the back (reverse side) direction of its working face from the test mounting panel, pass corresponding screw through two or more screws, laminate and fixed mounting the bottom level of second water pipe briquetting 71 on the test mounting panel. In this embodiment, the horizontal three-phase line and water pipe 26 fixing assembly further includes: the third vertical plate 72 is detachably arranged on the second water pipe pressing block 71 by two or more screws passing through the corresponding screw holes 8 or a buckling structure; in a preferred embodiment, before the test mounting plate is assembled with the vibration table 1, the bottom end of the second water pipe pressing block 71 is horizontally attached and fixedly mounted on the test mounting plate by passing two or more screws through corresponding screw holes from the back (i.e. the reverse) direction of the test mounting plate away from the working surface of the test mounting plate, and the tail ends of the screws are mounted at the top end of the third vertical plate 72, so that the fixed end of the second water pipe pressing block 71 is horizontally attached and fixedly mounted at the bottom end of the test mounting plate.

In this embodiment, at least two pairs of second water pipe clamping grooves 74 which are correspondingly matched are respectively arranged at the top end of the second water pipe pressing block 71 away from the vibration table 1 and the bottom end of the third vertical plate 72 facing the vibration table 1, and the corresponding second water pipe clamping grooves 74 form fixing holes of the second water pipes 26 and are used for pressing and fixing the other ends, parallel to the side wall of the bottom case 21 of the horizontal single motor controller 3, of the single motor controller which is installed on the vibration table 1 in parallel (one end of each water pipe 26 is connected to a water inlet or a water outlet on the side wall of the bottom case 21 of the horizontal single motor controller 3); the horizontal three-phase line and water pipe 26 fixing assembly further comprises: a second three-phase harness pressing block 73 detachably mounted on a third vertical plate 72, wherein three pairs of second three-phase wire clamping grooves 76 which are correspondingly matched are respectively arranged at the top end of the third vertical plate 72, which faces away from the vibrating table 1, and the first three-phase harness pressing block 53, and the corresponding second three-phase wire clamping grooves 76 form a second three-phase wire fixing hole 77 which is used for pressing and fixing the other end of the single-motor controller which is parallelly mounted on the vibrating table 1 and is parallel to the three-phase wire 271 of the vibrating table 1 (one end of the three-phase wire harness 271 is connected with a three-phase wire plug-in 27 arranged on the side wall of the bottom shell 21 of the horizontal single-motor controller 3); through the second water pipe pressing block 71, the third vertical plate 72, the second three-phase wire harness pressing block 73 and the fastening connection between the second water pipe pressing block 71 and the test mounting plate of the fourth support, a fixing structure capable of fixing the water pipe 26 and the three-phase wire harness 271 of the horizontal single-motor controller 3 component is formed.

In this embodiment, vertical three-phase line and the fixed subassembly of water pipe 26, vertical controller and pencil fixed subassembly 4, horizontal three-phase line and the fixed subassembly of water pipe 26 and the fixed subassembly 6 of horizontal pencil all adopt aluminum alloy material to make, under the prerequisite of guaranteeing single motor controller vibration testing arrangement's structural strength and rigidity, effectively alleviateed the weight of whole device, the vibration testing arrangement assembly and the control vibration testing arrangement cost of being convenient for single motor controller vibration test. In other embodiments, the vertical three-phase wire and water pipe 26 fixing component, the vertical controller and wire harness fixing component 4, the horizontal three-phase wire and water pipe 26 fixing component and the horizontal wire harness fixing component 6 can also be made of steel or other hard metal or alloy materials.

In a preferred embodiment, all round holes for fixing the high voltage harness 231, the low voltage harness 241 and the water pipe 26 are rounded and ground uniformly to prevent the harnesses from being worn during vibration testing.

According to the single-motor controller vibration testing device provided by the invention, the whole single-motor controller vibration testing device can be used for connection testing in a mode of horizontally and vertically fixedly placing the single-motor controller, the whole structural layout is compact, the influence of various flexible components (such as the high-voltage wire harness 231 of the high-voltage plug-in 23, the low-voltage wire harness 241 of the low-voltage plug-in 24 and the water pipe 26) on the vibration testing can be effectively avoided, meanwhile, the structural strength and the rigidity of the whole vibration testing device meet the vibration testing requirements, and the vibration testing in the X, Y and Z three-axis directions can be realized.

Generally speaking, compared with the prior art, the technical scheme provided by the invention has the advantages that the vibration testing device of the single motor controller is correspondingly and optimally designed by combining the structural mechanics principle and the analysis of the actual vibration testing working condition, the vibration testing fixed connection structure is compact in structural layout, high in structural strength and convenient to control, the requirements of horizontally and vertically placing the single motor controller for vibration testing can be met in the same vibration testing device, and the testing cost, the preparation time and the testing resources are effectively saved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A single motor controller vibration testing apparatus comprising:

the vibration table is used for transmitting a vibration source generated by vibration equipment;

the vertical controller and wire harness fixing assembly is fixedly arranged on the vibrating table and used for vertically arranging the single motor controller on the vibrating table and fixing a high-voltage wire harness and a low-voltage wire harness, perpendicular to the vibrating table, of the single motor controller;

the vertical three-phase wire and water pipe fixing assembly is fixedly arranged on the vibrating table and used for fixing a three-phase wire harness and a water pipe which are parallel to the vibrating table and vertically arranged on the single motor controller on the vibrating table;

the horizontal wire harness fixing assembly is fixedly arranged on the vibration table and is used for fixing a high-voltage wire harness and a low-voltage wire harness which are parallel to the vibration table and horizontally arranged on the single motor controller of the vibration table;

the horizontal three-phase line and water pipe fixing assembly is fixedly installed on the vibrating table and used for fixing a three-phase wire harness and a water pipe, which are parallel to the vibrating table, of the single motor controller and horizontally installed on the vibrating table.

2. The single motor controller vibration testing apparatus of claim 1 wherein said vertical controller and harness attachment assembly comprises:

the first bracket is vertically arranged on the vibration table and is used for fixedly arranging the single motor controller and enabling the single motor controller to be vertical to the vibration table; the high-voltage wire harness fixing part and the low-voltage wire harness fixing part are fixedly installed on the first support, far away from the top end of the vibrating table, and the vertical high-voltage wire harness fixing part and the vertical low-voltage wire harness fixing part are respectively and correspondingly used for fixing the high-voltage wire harness and the low-voltage wire harness of the vibrating table perpendicular to the single motor controller.

3. The single motor controller vibration testing apparatus of claim 2 wherein said first bracket comprises: the vibration table comprises a first vertical plate and at least one first reinforcing rib, wherein the first vertical plate is vertically arranged on the vibration table;

the vertical high-voltage wire harness fixing part and the vertical low-voltage wire harness fixing part are L-shaped bent sheet metal parts, and one ends, perpendicular to the vibrating table, of the vertical high-voltage wire harness fixing part and one ends, perpendicular to the vibrating table, of the vertical low-voltage wire harness fixing part are fixed to the top end of the first vertical plate;

the vertical controller and the wire harness fixing assembly further comprise:

the vertical high-voltage wire harness pressing block is detachably mounted at one end, parallel to the vibrating table, of the vertical high-voltage wire harness fixing part, at least one pair of vertical high-voltage wire harness clamping grooves which are correspondingly matched with each other are respectively formed in the other end, parallel to the vibrating table, of the vertical high-voltage wire harness fixing part and the vertical high-voltage wire harness pressing block, and the corresponding vertical high-voltage wire harness clamping grooves form vertical wire fixing holes for fixing the high-voltage wire harness perpendicular to the vibrating table;

the vertical low pressure pencil mounting is on a parallel with the other end of shaking table is equipped with and is used for the joint perpendicular to the vertical low pressure pencil draw-in groove of the low pressure pencil of shaking table and be used for fixing the perpendicular to the ribbon fixed slot of the low pressure pencil of shaking table.

4. The single motor controller vibration testing apparatus of claim 1 wherein the vertical three-phase wire and water tube securing assembly comprises:

and the two sides of the second support are respectively and correspondingly used for fixing the three-phase wire harness and the water pipe which are parallel to the vibrating table and vertically arranged on the single motor controller on the vibrating table.

5. The single motor controller vibration testing apparatus of claim 4 wherein said second bracket includes: the fixed section is parallel to and fixedly mounted on the vibration table, and the extending section is perpendicular to the vibration table and extends upwards from the fixed section away from the vibration table; at least one second reinforcing rib fixedly connected between the extension section and the vibration table;

vertical three-phase line still includes with the fixed subassembly of water pipe:

the first water pipe pressing block is detachably arranged on one side of the extension section, at least two pairs of first water pipe clamping grooves which are correspondingly matched are respectively arranged on one side of the extension section and the first water pipe pressing block, and the corresponding first water pipe clamping grooves form a first water pipe fixing hole which is used for fixing the water pipe, which is parallel to the vibration table, of the single motor controller vertically arranged on the vibration table;

the other side of the extension section and the first three-phase wire harness pressing block are respectively provided with three pairs of first three-phase wire clamping grooves which are correspondingly matched, and the corresponding first three-phase wire clamping grooves form first three-phase wire fixing holes which are used for fixing the three-phase wire harness which is parallel to the vibration table and vertically installed on the single motor controller of the vibration table.

6. The single motor controller vibration testing apparatus of claim 1 wherein said horizontal harness securing assembly comprises:

and the upper end and the lower end of the third support are respectively and correspondingly provided with a high-voltage wire harness and a low-voltage wire harness which are used for fixing the single motor controller and are parallel to the vibrating table.

7. The single motor controller vibration testing apparatus of claim 6 wherein said third bracket includes: a second vertical plate vertically mounted on the vibration table;

the horizontal harness fixing assembly further comprises:

the horizontal high-voltage wire harness pressing block is detachably mounted at the top end, away from the vibration table, of the second vertical plate, at least one pair of horizontal high-voltage wire harness clamping grooves which are correspondingly matched with each other are respectively formed in the top end, away from the vibration table, of the second vertical plate and the horizontal high-voltage wire harness pressing block, and the corresponding horizontal high-voltage wire harness clamping grooves form horizontal wire fixing holes which are used for fixing the high-voltage wire harnesses parallel to the vibration table; the second riser is kept away from the top of shaking table is equipped with and is used for the joint be on a parallel with the level low pressure pencil draw-in groove of the low pressure pencil of shaking table, the second riser is close to level low pressure pencil draw-in groove department is equipped with at least one and is used for fixing be on a parallel with the ribbon fixed orifices of the low pressure pencil of shaking table.

8. The single motor controller vibration testing apparatus of claim 5 wherein said horizontal three-phase wire and water tube securing assembly comprises:

and the upper end and the lower end of the fourth support are respectively and correspondingly used for fixing the three-phase wire harness and the water pipe which are parallel to the vibrating table and are arranged on the single motor controller on the vibrating table in parallel.

9. The single motor controller vibration testing apparatus of claim 8 wherein said fourth bracket comprises: the second water pipe pressing block is fixedly arranged on the vibration table;

horizontal three-phase line still includes with the fixed subassembly of water pipe:

the third vertical plate is detachably mounted on the second water pipe pressing block, at least two pairs of second water pipe clamping grooves which are correspondingly matched are respectively formed in the top end, far away from the vibration table, of the second water pipe pressing block and the bottom end, facing the vibration table, of the third vertical plate, and the corresponding second water pipe clamping grooves form water pipes which are used for fixing the single motor controller mounted on the vibration table in parallel and are parallel to the vibration table;

second three-phase pencil briquetting, detachably install in on the third riser, the third riser dorsad the top of shaking table with first three-phase pencil briquetting is equipped with respectively and corresponds the three pairs of second three-phase line draw-in grooves of complex, corresponds second three-phase line draw-in groove constitutes and is used for fixing parallel mount in on the shaking table single motor controller be on a parallel with the three-phase pencil of shaking table.

10. The single motor controller vibration testing apparatus of any one of claims 1 to 9 wherein the single motor controller vibration testing apparatus further comprises:

the test mounting plate is fixedly mounted on the vibrating table, and the vertical controller and wire harness fixing component, the vertical three-phase line and water pipe fixing component, the horizontal wire harness fixing component, the horizontal three-phase line and water pipe fixing component and the single motor controller horizontally mounted on the vibrating table are fixedly mounted on the test mounting plate;

the single motor controller includes:

the casing, detachably install in two water pipes of casing one side and area the three-phase line plug-in components of three-phase pencil, detachably install in the adjacent opposite side of casing take the high pressure plug-in components of high pressure pencil and area the low pressure plug-in components of low pressure pencil.

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