CN212391203U - Motor mechanical characteristic curve mapping device - Google Patents
Motor mechanical characteristic curve mapping device Download PDFInfo
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- CN212391203U CN212391203U CN202020518386.6U CN202020518386U CN212391203U CN 212391203 U CN212391203 U CN 212391203U CN 202020518386 U CN202020518386 U CN 202020518386U CN 212391203 U CN212391203 U CN 212391203U
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Abstract
The utility model belongs to the technical field of brushless DC motor detection, and discloses a mapping device for mechanical characteristic curves of a motor, which comprises a workbench and a drawing device for characteristic curves of the motor, wherein the drawing device for characteristic curves of the motor comprises a transmission screw, paper pressing devices arranged at two ends of the transmission screw, an auxiliary screw sleeved on the transmission screw, and a painting brush lifting device arranged on the auxiliary screw; the device can control the longitudinal movement of the auxiliary screw rod through the first motor, and control the transverse movement of the painting brush lifting device by combining the second motor to realize drawing, and the first motor and the second motor can be electrically connected with a direct current motor characteristic test device controller, so that the timeliness of drawing is ensured; still be equipped with the cylinder that resets that is used for fixed drawing paper simultaneously, guarantee the accurate nature and the stability of drawing.
Description
Technical Field
The utility model belongs to the technical field of brushless DC motor detects, very much relate to a electromechanical characteristic curve mapping device.
Background
The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. The stator winding of the motor is mostly made into a three-phase symmetrical star connection method which is very similar to a three-phase asynchronous motor; the rotor of the motor is adhered with a magnetized permanent magnet, and a position sensor is arranged in the motor for detecting the polarity of the rotor of the motor; the driver is composed of power electronic devices, integrated circuits and the like, and has the functions of receiving starting, stopping and braking signals of the motor so as to control the starting, stopping and braking of the motor; receiving a position sensor signal and a positive and negative rotation signal, and controlling the on-off of each power tube of the inverter bridge to generate continuous torque; receiving a speed instruction and a speed feedback signal for controlling and adjusting the rotating speed; as well as providing protection and display, etc.
Referring to Chinese patent No. CN207924097U, a DC motor characteristic test device comprises an industrial personal computer, a program control power supply, a data acquisition card and a motor controller; the industrial personal computer is connected with the magnetic powder brake through the program control power supply and is respectively connected with the motor controller, the infrared thermometer, the torque sensor and the flexible sensor through the data acquisition card; the motor controller is also connected with a direct current motor, and the magnetic powder brake is connected with the direct current motor through a torque sensor.
Synthesize above-mentioned and current direct current motor characteristic test equipment, obtain the torque value of magnetic powder brake with the control sensor more to combine torque value to carry out the aassessment analysis, the mode tradition is simple, can't audio-visual record after obtaining the value, and the staff still need confirm repeatedly, can't guarantee the ageing of measured value, and efficiency also can not obtain improving.
Disclosure of Invention
The utility model aims at providing a mechanical characteristic curve mapping device of motor for solve the current direct current motor characteristic that the aforesaid mentioned and look sideways at equipment, acquire magnetic powder brake's torque numerical value with control sensor more, and combine torque numerical value to evaluate the analysis, the mode tradition is simple, unable very first time record directly perceived after acquireing numerical value, the staff still need confirm repeatedly, the ageing of unable assurance measured value, efficiency also can not obtain improving.
The utility model provides a technical scheme that its technical problem adopted is, provides a electromechanical characteristic curve mapping device, include the workstation and arrange in motor characteristic curve drawing device on the workstation, motor characteristic curve drawing device is including being parallel arrangement drive screw on the workstation, arrange in the paper closing device, the cover at drive screw both ends are located drive screw just is reciprocating motion's supplementary lead screw and setting along drive screw axle center direction and is in be used for the painting brush elevating gear of drawing on the supplementary lead screw, drive screw one side be equipped with the driving motor that paper closing device electricity is connected.
Further preferably, the paper pressing device comprises a reset cylinder, a connecting rod and a pressing plate, wherein the reset cylinder is sleeved at two ends of the transmission screw rod, the connecting rod is connected with a piston of the reset cylinder, the pressing plate is arranged at the bottom of the connecting rod, and the reset cylinder is electrically connected with the driving motor.
Further preferably, painting brush elevating gear establishes including the cover establish on the supplementary lead screw and follow supplementary lead screw is reciprocating motion's removal portion, sets up electric lift rod in the removal portion, arranges in the painting brush of electric lift rod one side and arrange in supplementary lead screw top is used for supporting electric lift rod's guide bar.
Further preferably, the two ends of the auxiliary screw rod are provided with supporting plates which are perpendicular to the transmission screw rod, and the guide rod penetrates through the supporting plates.
Further preferably, a support frame is erected at the bottom of the transmission screw rod.
Further preferably, the end of the transmission screw is provided with a first motor flexibly connected with the transmission screw through a coupler.
Further preferably, the end part of the auxiliary lead screw is provided with a second motor flexibly connected with the auxiliary lead screw through a coupler.
Further preferably, the controller is electrically connected with the first motor and the second motor.
The utility model has the advantages that:
the device can control the longitudinal movement of the auxiliary screw rod through the first motor, and control the transverse movement of the painting brush lifting device by combining the second motor to realize drawing, and the first motor and the second motor can be electrically connected with a direct current motor characteristic test device controller, so that the timeliness of drawing is ensured; still be equipped with the cylinder that resets that is used for fixed drawing paper simultaneously, guarantee the accurate nature and the stability of drawing.
Drawings
Fig. 1 is a schematic view of an overall structure of a device for mapping a mechanical characteristic curve of an electric machine according to an embodiment of the present invention;
fig. 2 is a schematic side view of a drawing device in a mapping apparatus for mechanical characteristic curves of an electric machine according to an embodiment of the present invention;
fig. 3 is a schematic side view of a drawing device in a device for mapping mechanical characteristics of an electric machine according to an embodiment of the present invention;
in the figure: the drawing device comprises a working table 1, a 3-motor characteristic curve drawing device, a transmission screw rod 31, a first motor 311, a paper pressing device 32, a reset cylinder 321, a connecting rod 322, a pressing plate 323, an auxiliary screw rod 33, a supporting plate 331, a second motor 332, a brush lifting device 34, a moving part 341, an electric lifting rod 342, a brush 343, a guide rod 344, a driving motor 35 and a supporting frame 4.
Detailed Description
In order to more clearly illustrate embodiments and/or technical solutions in the prior art, embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. In addition, the term "orientation" merely indicates a relative positional relationship between the respective members, not an absolute positional relationship.
Referring to fig. 1, fig. 2 and fig. 3, the device for mapping a mechanical characteristic curve of a motor according to the present embodiment includes a workbench 1 and a device for drawing a characteristic curve of a motor 3 disposed on the workbench 1, where the device for drawing a characteristic curve of a motor 3 includes a transmission screw 31 disposed on the workbench 1 in parallel, paper pressing devices 32 disposed at two ends of the transmission screw 31, an auxiliary screw 33 sleeved on the transmission screw 31 and reciprocating along an axial direction of the transmission screw 31, and a brush lifting device 34 disposed on the auxiliary screw 33 for drawing, and a driving motor 35 electrically connected to the paper pressing devices 32 is disposed at one side of the transmission screw 31.
As a preferred embodiment, the paper pressing device 32 includes a reset cylinder 321 sleeved at two ends of the transmission screw 31, a connecting rod 322 connected to a piston of the reset cylinder 321, and a pressing plate 323 disposed at the bottom of the connecting rod 322, wherein the reset cylinder 321 is electrically connected to the driving motor 35.
The number of the reset cylinders 321 can be four, the drawing is manually placed at the bottom of the transmission screw 31, the drive motor 35 is turned on to control the piston rod of the reset cylinder 321 to move, and the pressing plate 323 is further pushed to abut against the four corners of the drawing, so that the drawing is pressed and fixed; after the drawing is finished, the piston rod of the reset cylinder 321 is controlled to reset by the driving motor 35.
As a preferred embodiment, the brush lifting device 34 includes a moving portion 341 sleeved on the auxiliary lead screw 33 and reciprocating along the auxiliary lead screw 33, an electric lifting rod 342 disposed on the moving portion 341, a brush 343 disposed on one side of the electric lifting rod 342, and a guide rod 344 disposed above the auxiliary lead screw 33 for supporting the electric lifting rod 342; supporting plates 331 perpendicular to the driving screw 31 are disposed at two ends of the auxiliary screw 33, and the guide rods 344 are disposed on the supporting plates 331 in a penetrating manner.
A through hole with an internal thread matched with the external thread of the auxiliary screw 33 is formed in the middle of the moving part 341, and the upper part of the through hole is fixedly connected with the electric lifting rod 342; here, the electric lifting rod 342 may be controlled by a motor, and a clamping portion connected to the lifting plate may be disposed at one side of the electric lifting rod 342, and the brush 343 may be fixed by the clamping portion.
It should be noted that, the first motor 311, the second motor 332, and the electric lifting rod 342 of this embodiment may all be connected to a controller, the controller may be an AVR-series single chip microcomputer, an input end of the controller is connected to a dc motor characteristic testing device, and the drawing is implemented by the first motor 311 flexibly connected to the drive screw 31 through a coupling provided at an end of the drive screw 31, the second motor 332 flexibly connected to the auxiliary screw 33 through a coupling provided at an end of the auxiliary screw 33, and the electric lifting rod 342.
When drawing is started, a drawing is manually placed at the bottom of the transmission screw 31, and the driving motor 35 is started to control the reset cylinder 321 to fix the drawing; then, the controller controls the first motor 311 to axially rotate the transmission screw 31 (the bottoms of the two ends of the transmission screw 31 are connected with moving blocks which are sleeved on the transmission screw 31 and can be the same as the moving parts 341), and then the auxiliary screw 33 is moved to the position of the painting brush 343 on the Y axis; then, the controller controls the second motor 332 to axially rotate the auxiliary lead screw 33, so as to move the moving portion 341 to the position of the brush 343 on the X axis; finally, the electric lifting rod 342 is controlled to enable the painting brush 343 to contact the drawing; after the initial position of the brush is determined, the controller simultaneously controls the first motor 311 and the second motor 332 to adjust the position of the brush 343 in the X and Y axes to achieve a drawing curve (the curve is a linear curve).
Particularly, a support frame 4 is erected at the bottom of the transmission screw 31, and the distance between the transmission screw 31 and the workbench 1 can be lifted, so that the paintbrush 343 can move conveniently.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (8)
1. The utility model provides a mechanical characteristic curve mapping device of motor which characterized in that: including workstation (1) and arranging in motor characteristic curve drawing device (3) on workstation (1), motor characteristic curve drawing device (3) are including being parallel arrangement transmission lead screw (31) on workstation (1), arrange in paper closing device (32), the cover at transmission lead screw (31) both ends are located transmission lead screw (31) and follow transmission lead screw (31) axle center direction and be reciprocating motion's supplementary lead screw (33) and setting are in be used for painting brush elevating gear (34) of drawing on supplementary lead screw (33), transmission lead screw (31) one side be equipped with driving motor (35) that paper closing device (32) electricity is connected.
2. A device for mapping the mechanical characteristics of an electrical machine according to claim 1, characterized in that: the paper pressing device (32) comprises a reset cylinder (321) arranged at two ends of the transmission screw rod (31) in a sleeved mode, a connecting rod (322) connected with a piston of the reset cylinder (321) and a pressing plate (323) arranged at the bottom of the connecting rod (322), and the reset cylinder (321) is electrically connected with the driving motor (35).
3. A device for mapping the mechanical characteristics of an electrical machine according to claim 1, characterized in that: the painting brush lifting device (34) comprises a moving part (341) which is sleeved on the auxiliary lead screw (33) and moves along the auxiliary lead screw (33), an electric lifting rod (342) arranged on the moving part (341), a painting brush (343) arranged on one side of the electric lifting rod (342) and a guide rod (344) arranged above the auxiliary lead screw (33) and used for supporting the electric lifting rod (342).
4. A device for mapping the mechanical characteristics of an electrical machine according to claim 3, characterized in that: the two ends of the auxiliary screw rod (33) are provided with supporting plates (331) which are perpendicular to the transmission screw rod (31), and the guide rod (344) penetrates through the supporting plates (331).
5. A device for mapping the mechanical characteristics of an electrical machine according to claim 1, characterized in that: and a support frame (4) is erected at the bottom of the transmission screw rod (31).
6. A device for mapping the mechanical characteristics of an electrical machine according to claim 1, characterized in that: the end part of the transmission lead screw (31) is provided with a first motor (311) which is flexibly connected with the transmission lead screw (31) through a coupler.
7. A device for mapping the mechanical characteristics of an electrical machine according to claim 6, characterized in that: and a second motor (332) flexibly connected with the auxiliary lead screw (33) through a coupler is arranged at the end part of the auxiliary lead screw (33).
8. A device for mapping the mechanical characteristics of an electrical machine according to claim 7, characterized in that: the controller is electrically connected with the first motor (311) and the second motor (332).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518386.6U CN212391203U (en) | 2020-04-10 | 2020-04-10 | Motor mechanical characteristic curve mapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518386.6U CN212391203U (en) | 2020-04-10 | 2020-04-10 | Motor mechanical characteristic curve mapping device |
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| Publication Number | Publication Date |
|---|---|
| CN212391203U true CN212391203U (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020518386.6U Active CN212391203U (en) | 2020-04-10 | 2020-04-10 | Motor mechanical characteristic curve mapping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117109910A (en) * | 2023-10-20 | 2023-11-24 | 河南蒲瑞精密机械有限公司 | Planet speed reducer performance test assembly of crane |
-
2020
- 2020-04-10 CN CN202020518386.6U patent/CN212391203U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117109910A (en) * | 2023-10-20 | 2023-11-24 | 河南蒲瑞精密机械有限公司 | Planet speed reducer performance test assembly of crane |
| CN117109910B (en) * | 2023-10-20 | 2024-01-09 | 河南蒲瑞精密机械有限公司 | Planet speed reducer performance test assembly of crane |
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