CN113933615A - Motor variable frequency driver aging test device and test method thereof - Google Patents
Motor variable frequency driver aging test device and test method thereof Download PDFInfo
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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Abstract
The invention discloses an aging test device and an aging test method for a variable frequency driver of a motor, and the aging test device comprises a bottom plate, wherein the bottom of the bottom plate is fixedly connected with supporting legs, the left side of the top of the bottom plate is fixedly connected with a box body, the left side of the front of the box body is fixedly provided with a control panel, the right side of the front of the box body is fixedly provided with a display, the right side of the inner cavity of the box body is fixedly provided with a central processing unit, the left side of the central processing unit is fixedly provided with a communication module, and the bottom of the inner cavity of the box body is fixedly connected with a transformer. The aging testing device has the advantage of convenience in use, and solves the problems that when the existing aging testing device for the motor variable frequency driver is used for aging testing of the motor variable frequency driver, the motor variable frequency drivers with different sizes are inconvenient to clamp and fix, the load weight of a tested motor is adjusted, and the aging condition of the motor variable frequency driver under different load conditions is influenced.
Description
Technical Field
The invention relates to the technical field of motor variable frequency drivers, in particular to a motor variable frequency driver aging test device and a test method thereof.
Background
The frequency conversion driver is an electric control device which applies the frequency conversion technology and the microelectronic technology and controls an alternating current motor by changing the working power supply frequency mode of the motor, the frequency conversion driver mainly comprises a rectifying unit, a filtering unit, an inverting unit, a braking unit, a driving unit, a detection unit and a microprocessing unit, the voltage and the frequency of an output power supply are adjusted by the on-off of an internal IGBT (insulated gate bipolar translator), the required power supply voltage is provided according to the actual requirement of the motor, and further, the purposes of energy saving and speed regulation are achieved, in addition, the frequency conversion driver has a plurality of protection functions, such as overcurrent, overvoltage, overload protection and the like, along with the continuous improvement of the industrial automation degree, the frequency conversion driver is widely applied, the energy saving principle of the frequency conversion driver is that the frequency conversion driver can adjust the rotating speed output of the motor and the dragging load thereof according to the production process requirement without any change, the motor power consumption is reduced, the motor power consumption has great and unique advantages in the field of energy conservation and emission reduction, the purpose of efficient operation of a system is achieved, the competition of the industry of the variable frequency driver in China is increasingly severe in the whole view, due to the attractive market, the market has formed a certain scale, the potential capacity is also considerable, new participants in the industry are continuously attracted, and the development of the technology of the variable frequency driver enables the variable frequency driver to be unprecedentedly popularized and applied in the modern fields of electric power, cement, elevators, mines, metallurgy, traffic and the like.
When the aging test is carried out on the motor variable frequency driver, the existing aging test device for the motor variable frequency driver is inconvenient for clamping and fixing the motor variable frequency drivers with different sizes, and can adjust the load weight of a test motor to influence the aging condition of the motor variable frequency driver under different load conditions.
Disclosure of Invention
The invention aims to provide a motor variable frequency driver aging test device and a test method thereof, which have the advantage of convenience in use and solve the problems that when the existing motor variable frequency driver aging test device is used for aging test of motor variable frequency drivers, the motor variable frequency drivers with different sizes are not convenient to clamp and fix, the load weight of a test motor is adjusted, and the aging condition of the motor variable frequency drivers under different load conditions is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a motor variable frequency driver aging test device and a test method thereof comprise a bottom plate, wherein the bottom of the bottom plate is fixedly connected with supporting legs, the left side of the top of the bottom plate is fixedly connected with a box body, the left side of the front of the box body is fixedly provided with a control panel, the right side of the front of the box body is fixedly provided with a display, the right side of an inner cavity of the box body is fixedly provided with a central processing unit, the left side of the central processing unit is fixedly provided with a communication module, the bottom of the inner cavity of the box body is fixedly connected with a transformer, the input end of the transformer is electrically connected with a power plug through a wire, the top of the left side of the box body is fixedly provided with a first data acquisition module, the top of the right side of the box body is fixedly provided with a second data acquisition module, the output end of the first data acquisition module and the input end of the second data acquisition module are both electrically connected with connecting wires, the infrared temperature sensor is fixedly installed at the top of the rear side of the frame body, the warning lamp is fixedly installed at the front side of the frame body, electric telescopic rods are fixedly connected to the left side, the right side, the front side and the rear side of the inner wall of the frame body, a clamping plate is fixedly connected to the opposite end of each electric telescopic rod, a variable frequency driver body is arranged at the bottom of the inner wall of the frame body and is positioned at one side opposite to the clamping plate, a fixing plate is fixedly connected to the middle end of the top of the bottom plate, a mounting plate is fixedly connected to the top of the fixing plate through bolts, a load motor is fixedly connected to the top of the mounting plate, a coupler is fixedly connected to an output shaft of the load motor, a rotating rod is fixedly connected to the right end of the coupler, a counterweight plate is fixedly connected to the surface of the rotating rod through bolts, and a groove is formed in the right side of the top of the bottom plate, the left side of recess inner wall has the threaded rod through bearing swing joint, the surperficial thread bush of threaded rod is equipped with the thread bush, the top fixedly connected with riser of thread bush, the top of riser extends to the top of bottom plate, the right-hand member of bull stick extends to the right side of riser.
Preferably, the bottom of the supporting leg is fixedly connected with a supporting plate, the bottom of the supporting plate is fixedly connected with an anti-slip pad, and the inner cavities of the first data acquisition module and the second data acquisition module are fixedly provided with a voltage sensor and a current sensor.
Preferably, the one end fixedly connected with connector of first data acquisition module and second data acquisition module is kept away from to the connecting wire, the relative one side fixedly connected with inoxidizing coating of splint, and the material of inoxidizing coating is rubber materials.
Preferably, the right end of the threaded rod extends to the right side of the bottom plate and is fixedly connected with a rotating handle, and the front side and the rear side of the vertical plate are movably connected with the front side and the rear side of the inner wall of the groove.
Preferably, be provided with the support bearing who uses with the bull stick cooperation on the riser, the diameter of bull stick and support bearing's internal diameter looks adaptation, the surface of bull stick and support bearing's inner wall swing joint.
Preferably, the output end of the control panel is electrically connected with the transformer and the input end of the electric telescopic rod respectively, and the output end of the transformer is electrically connected with the input end of the first data acquisition module through a wire.
Preferably, the output end of the first data acquisition module is electrically connected with the input end of the variable frequency driver body through a connecting wire, the output end of the variable frequency driver body is electrically connected with the input end of the second data acquisition module through a connecting wire, and the output end of the second data acquisition module is electrically connected with the input end of the load motor.
Preferably, the input of central processing unit respectively with first data acquisition module, second data acquisition module and infrared ray temperature sensor's input electric connection, central processing unit's output respectively with display, warning light and communication module's input electric connection, communication module's output end signal is connected with the cloud ware, the output end signal connection of cloud ware has the surveillance center.
Preferably, the testing method of the aging testing device for the variable-frequency driver of the motor comprises the following steps:
1) the variable frequency drive body is placed in the frame body, the electric telescopic rod is started through the control panel, the electric telescopic rod stretches out to drive the clamping plate to fix the variable frequency drive body, after fixing is completed, the first data acquisition module and the second data acquisition module are connected through the connecting wire, after connection is completed, the control panel starts the transformer and adjusts the voltage of the transformer, and the transformer supplies power to the variable frequency drive body through the first data acquisition module;
2) the first data acquisition module detects input current and voltage and supplies power to the variable frequency driver body, the variable frequency driver body supplies power to the load motor through the second data acquisition module, the second data acquisition module detects output current and voltage, an output shaft of the load motor rotates to drive the coupler and the rotating rod to rotate, the rotating rod drives the counterweight plate to rotate, the load of the load motor is adjusted, the vertical plate supports the rotating rod, and when the variable frequency driver body works, the infrared temperature sensor detects the working temperature of the variable frequency driver body;
3) when the load weight needs to be adjusted, the threaded rod is rotated through the rotating handle, the threaded rod rotates to drive the threaded sleeve to move backwards and drive the vertical plate to fall off the rotating rod, the counterweight plate on the surface of the rotating rod is taken out, and after the adjustment is finished, the threaded rod is rotated to reset the vertical plate to support the rotating rod;
4) set for the operating current of frequency conversion driver body in advance through central processing unit, voltage and temperature, when detecting numerical value and being higher than when setting for numerical value, central processing unit starts the warning light and carries out the police dispatch newspaper, central processing unit shows detecting numerical value through the display, central processing unit is to first data acquisition module, second data acquisition module and infrared ray temperature sensor's detected signal receive, and transmit the cloud server in through communication module, the cloud server is to detecting numerical value transmission to the control center in, the ageing condition to the frequency conversion driver body tests.
Compared with the prior art, the invention has the following beneficial effects:
1. the aging testing device comprises a bottom plate, a load motor, a fixing plate, a central processing unit, a communication module, supporting legs, a box body, a transformer, a power plug, a first data acquisition module, an electric telescopic rod, a connecting wire, a clamping plate, a frame body, a second data acquisition module, a mounting plate, a coupler, a counterweight plate, a vertical plate, a rotating rod, a threaded rod, a groove, a threaded sleeve, an infrared temperature sensor, a warning lamp, a display, a control panel, a cloud server and a monitoring center.
2. The invention can facilitate the transformer to be connected with commercial power by arranging the power plug, can facilitate the stable support of the bottom plate by the matching use of the supporting legs and the supporting plate, the protective layer can be arranged to prevent the clamp plate from damaging the variable frequency driver body, the warning lamp can be arranged to warn the working personnel conveniently, the display is arranged, so that the aging condition can be conveniently observed by workers, the variable frequency driver body can be conveniently clamped and fixed by the matching use of the electric telescopic rod, the frame body and the clamping plate, through setting up the weight plate, can be convenient for adjust the load weight of load motor, use through the cooperation of threaded rod, thread bush and riser, can be convenient for support the bull stick and take out the weight plate, use through the cooperation of fixed plate and mounting panel, can be convenient for fix the load motor.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of a partial structure of the present invention;
fig. 4 is a schematic diagram of the system of the present invention.
In the figure: 1 bottom plate, 2 load motors, 3 fixed plates, 4 central processing units, 5 communication modules, 6 landing legs, 7 boxes, 8 transformers, 9 power plugs, 10 first data acquisition modules, 11 electric telescopic rod, 12 connecting wires, 13 clamping plates, 14 variable frequency driver bodies, 15 frameworks, 16 second data acquisition modules, 17 mounting plates, 18 couplers, 19 counterweight plates, 20 vertical plates, 21 rotating rods, 22 threaded rods, 23 grooves, 24 threaded sleeves, 25 infrared temperature sensors, 26 warning lamps, 27 displays, 28 control panels, 29 cloud servers and 30 monitoring centers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The bottom plate 1, the load motor 2, the fixing plate 3, the central processing unit 4, the communication module 5, the support legs 6, the box body 7, the transformer 8, the power plug 9, the first data acquisition module 10, the electric telescopic rod 11, the connecting wire 12, the clamping plate 13, the variable frequency driver body 14, the frame body 15, the second data acquisition module 16, the mounting plate 17, the coupler 18, the counterweight plate 19, the vertical plate 20, the rotating rod 21, the threaded rod 22, the threaded sleeve 24, the infrared temperature sensor 25, the warning lamp 26, the display 27, the control panel 28 and other parts in the invention are all universal standard parts or parts known by those skilled in the art, and the structure and principle of the parts can be known by technical manuals or conventional experimental methods.
Referring to fig. 1-4, a motor variable frequency driver aging test device and a test method thereof, comprising a bottom plate 1, a supporting leg 6 fixedly connected to a portion of the bottom plate 1, a supporting plate fixedly connected to a bottom of the supporting leg 6, and a non-slip mat fixedly connected to a bottom of the supporting plate, the bottom plate 1 can be stably supported by the supporting leg 6 and the supporting plate, a box 7 is fixedly connected to a left side of a top of the bottom plate 1, a control panel 28 is fixedly installed on a left side of a front surface of the box 7, a display 27 is fixedly installed on a right side of the front surface of the box 7, a worker can observe aging conditions conveniently by arranging the display 27, a central processor 4 is fixedly installed on a right side of an inner cavity of the box 7, a communication module 5 is fixedly installed on a left side of the central processor 4, a transformer 8 is fixedly connected to a bottom of an inner cavity of the box 7, an input end of the transformer 8 is electrically connected with a power plug 9 through a wire, through the arrangement of the power plug 9, the transformer 8 can be conveniently connected with commercial power, the left top of the box body 7 is fixedly provided with the first data acquisition module 10, the right top of the box body 7 is fixedly provided with the second data acquisition module 16, the inner cavities of the first data acquisition module 10 and the second data acquisition module 16 are fixedly provided with the voltage sensor and the current sensor, the output end of the first data acquisition module 10 and the input end of the second data acquisition module 16 are electrically connected with the connecting wire 12, one end of the connecting wire 12 far away from the first data acquisition module 10 and the second data acquisition module 16 is fixedly connected with the connector, the top of the box body 7 is fixedly connected with the frame body 15, the top of the rear side of the frame body 15 is fixedly provided with the infrared temperature sensor 25, the front of the frame body 15 is fixedly provided with the warning lamp 26, and through the arrangement of the warning lamp 26, the warning for workers can be conveniently warned, the left side and the right side and the front side and the rear side of the inner wall of the frame body 15 are fixedly connected with electric telescopic rods 11, the opposite end of the electric telescopic rod 11 is fixedly connected with a clamping plate 13, the variable frequency drive body 14 can be conveniently clamped and fixed by matching the electric telescopic rods 11, the frame body 15 and the clamping plate 13, the opposite side of the clamping plate 13 is fixedly connected with a protective layer, the protective layer is made of rubber materials, the variable frequency drive body 14 can be conveniently prevented from being damaged by the clamping plate 13 by arranging the protective layer, the variable frequency drive body 14 is arranged at the bottom of the inner wall of the frame body 15, the variable frequency drive body 14 is positioned at the opposite side of the clamping plate 13, the middle end of the top of the bottom plate 1 is fixedly connected with a fixing plate 3, the top of the fixing plate 3 is fixedly connected with a mounting plate 17 through bolts, and the load motor 2 can be conveniently fixed by matching the fixing plate 3 and the mounting plate 17, the top of the mounting plate 17 is fixedly connected with a load motor 2, an output shaft of the load motor 2 is fixedly connected with a coupler 18, the right end of the coupler 18 is fixedly connected with a rotating rod 21, the surface of the rotating rod 21 is fixedly connected with a counterweight plate 19 through bolts, the load weight of the load motor 2 can be conveniently adjusted by arranging the counterweight plate 19, the right side of the top of the bottom plate 1 is provided with a groove 23, the left side of the inner wall of the groove 23 is movably connected with a threaded rod 22 through a bearing, the right end of the threaded rod 22 extends to the right side of the bottom plate 1 and is fixedly connected with a rotating handle, the surface thread sleeve of the threaded rod 22 is provided with a thread sleeve 24, the top of the thread sleeve 24 is fixedly connected with a vertical plate 20, the rotating rod 21 can be conveniently supported and the counterweight plate 19 can be conveniently taken out through the matching use of the threaded rod 22, the thread sleeve 24 and the vertical plate 20, the front side and the rear side of the vertical plate 20 are movably connected with the front side and the rear side of the inner wall of the groove 23, the top of the vertical plate 20 extends to the top of the bottom plate 1, the right end of the rotating rod 21 extends to the right side of the vertical plate 20, a supporting bearing matched with the rotating rod 21 is arranged on the vertical plate 20, the diameter of the rotating rod 21 is matched with the inner diameter of the supporting bearing, the surface of the rotating rod 21 is movably connected with the inner wall of the supporting bearing, the output end of the control panel 28 is respectively electrically connected with the input ends of the transformer 8 and the electric telescopic rod 11, the output end of the transformer 8 is electrically connected with the input end of the first data acquisition module 10 through a lead, the output end of the first data acquisition module 10 is electrically connected with the input end of the variable frequency driver body 14 through a connecting wire 12, the output end of the variable frequency driver body 14 is electrically connected with the input end of the second data acquisition module 16 through a connecting wire 12, and the output end of the second data acquisition module 16 is electrically connected with the input end of the load motor 2, the input end of the central processing unit 4 is electrically connected with the input ends of the first data acquisition module 10, the second data acquisition module 16 and the infrared temperature sensor 25 respectively, the output end of the central processing unit 4 is electrically connected with the input ends of the display 27, the warning lamp 26 and the communication module 5 respectively, the output end of the communication module 5 is in signal connection with a cloud service 29, and the output end of the cloud server 29 is in signal connection with a monitoring center 30;
a testing method of a motor variable frequency driver aging testing device comprises the following steps:
1) the variable frequency driver body 14 is placed in the frame body 15, the electric telescopic rod 11 is started through the control panel 28, the electric telescopic rod 11 extends out to drive the clamping plate 13 to fix the variable frequency driver body 14, after the fixing is completed, the first data acquisition module 10 and the second data acquisition module 16 are connected through the connecting wire 12, after the connection is completed, the transformer 8 is started through the control panel 28 and the voltage of the transformer 8 is adjusted, and the transformer 8 supplies power for the variable frequency driver body 14 through the first data acquisition module 10;
2) the first data acquisition module 10 detects input current and voltage and supplies power to the variable frequency driver body 14, the variable frequency driver body 14 supplies power to the load motor 2 through the second data acquisition module 16, the second data acquisition module 16 detects output current and voltage, an output shaft of the load motor 2 rotates to drive the coupler 18 and the rotating rod 21 to rotate, the rotating rod 21 drives the counterweight plate 19 to rotate to adjust the load of the load motor 2, the vertical plate 20 supports the rotating rod 21, and when the variable frequency driver body 14 works, the infrared temperature sensor 25 detects the working temperature of the variable frequency driver body 14;
3) when the load weight needs to be adjusted, the threaded rod 22 is rotated through the rotating handle, the threaded rod 22 rotates to drive the threaded sleeve 24 to move backwards and drive the vertical plate 20 to fall off the rotating rod 21, the counterweight plate 19 on the surface of the rotating rod 21 is taken out, and after the adjustment is finished, the threaded rod 22 is rotated to reset the vertical plate 20 to support the rotating rod 21;
4) the working current, the voltage and the temperature of the variable frequency driver body 14 are set in advance through the central processing unit 4, when a detected value is higher than the set value, the central processing unit 4 starts the warning lamp 26 to give an alarm, the central processing unit 4 displays the detected value through the display 27, the central processing unit 4 receives detection signals of the first data acquisition module 10, the second data acquisition module 16 and the infrared temperature sensor 25 and transmits the detection signals to the cloud server 29 through the communication module 5, the cloud server 29 transmits the detected value to the monitoring center 30, and the aging condition of the variable frequency driver body 14 is tested;
through the matching use of the bottom plate 1, the load motor 2, the fixing plate 3, the central processing unit 4, the communication module 5, the supporting legs 6, the box body 7, the transformer 8, the power plug 9, the first data acquisition module 10, the electric telescopic rod 11, the connecting wire 12, the clamping plate 13, the frame body 15, the second data acquisition module 16, the mounting plate 17, the coupling 18, the counterweight plate 19, the vertical plate 20, the rotating rod 21, the threaded rod 22, the groove 23, the threaded sleeve 24, the infrared temperature sensor 25, the warning lamp 26, the display 27, the control panel 28, the cloud server 29 and the monitoring center 30, the problem that the existing aging test device for the motor variable frequency driver is inconvenient to clamp and fix the motor variable frequency drivers with different sizes when the aging test device for the motor variable frequency driver is solved, and the load weight of the test motor is adjusted, so that the aging condition of the variable-frequency driver of the motor under different load conditions is influenced.
A testing method of a motor variable frequency driver aging testing device comprises the following steps:
1) the variable frequency driver body 14 is placed in the frame body 15, the electric telescopic rod 11 is started through the control panel 28, the electric telescopic rod 11 extends out to drive the clamping plate 13 to fix the variable frequency driver body 14, after the fixing is completed, the first data acquisition module 10 and the second data acquisition module 16 are connected through the connecting wire 12, after the connection is completed, the transformer 8 is started through the control panel 28 and the voltage of the transformer 8 is adjusted, and the transformer 8 supplies power for the variable frequency driver body 14 through the first data acquisition module 10;
2) the first data acquisition module 10 detects input current and voltage and supplies power to the variable frequency driver body 14, the variable frequency driver body 14 supplies power to the load motor 2 through the second data acquisition module 16, the second data acquisition module 16 detects output current and voltage, an output shaft of the load motor 2 rotates to drive the coupler 18 and the rotating rod 21 to rotate, the rotating rod 21 drives the counterweight plate 19 to rotate to adjust the load of the load motor 2, the vertical plate 20 supports the rotating rod 21, and when the variable frequency driver body 14 works, the infrared temperature sensor 25 detects the working temperature of the variable frequency driver body 14;
3) when the load weight needs to be adjusted, the threaded rod 22 is rotated through the rotating handle, the threaded rod 22 rotates to drive the threaded sleeve 24 to move backwards and drive the vertical plate 20 to fall off the rotating rod 21, the counterweight plate 19 on the surface of the rotating rod 21 is taken out, and after the adjustment is finished, the threaded rod 22 is rotated to reset the vertical plate 20 to support the rotating rod 21;
4) set for the operating current of frequency conversion driver body 14 in advance through central processing unit 4, voltage and temperature, when detecting numerical value and being higher than the settlement numerical value, central processing unit 4 starts warning light 26 and carries out the police dispatch newspaper, central processing unit 4 shows detecting numerical value through display 27, central processing unit 4 is to first data acquisition module 10, second data acquisition module 16 and infrared ray temperature sensor 25's detected signal receive, and transmit to cloud ware 29 in through communication module 5, cloud ware 29 is to detecting numerical value transmission to monitoring center 30 in, test frequency conversion driver body 14's ageing condition.
In summary, the following steps: the aging test device and the test method of the motor variable frequency driver solve the problems that the existing aging test device of the motor variable frequency driver is inconvenient to clamp and fix the motor variable frequency drivers with different sizes and adjust the load weight of the test motor when the motor variable frequency driver is subjected to aging test by the aid of the aging test device of the motor variable frequency driver, the aging condition of the motor variable frequency driver under different load conditions is influenced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a motor frequency conversion driver aging testing device, includes bottom plate (1), its characterized in that: bottom fixedly connected with landing leg (6) at bottom plate (1), left side fixedly connected with box (7) at bottom plate (1) top, the positive left side fixed mounting of box (7) has control panel (28), the positive right side fixed mounting of box (7) has display (27), the right side fixed mounting of box (7) inner chamber has central processing unit (4), the left side fixed mounting of central processing unit (4) has communication module (5), the bottom fixedly connected with transformer (8) of box (7) inner chamber, there is power plug (9) at the input of transformer (8) through wire electric connection, the left top fixed mounting of box (7) has first data acquisition module (10), the top fixed mounting on box (7) right side has second data acquisition module (16), the output of first data acquisition module (10) and the input of second data acquisition module (16) The infrared temperature sensor is characterized in that the infrared temperature sensor is electrically connected with a connecting wire (12), a frame body (15) is fixedly connected with the top of the box body (7), an infrared temperature sensor (25) is fixedly mounted at the top of the rear side of the frame body (15), a warning lamp (26) is fixedly mounted on the front side of the frame body (15), electric telescopic rods (11) are fixedly connected with the left side, the right side, the front side and the rear side of the inner wall of the frame body (15), clamping plates (13) are fixedly connected with the opposite ends of the electric telescopic rods (11), a variable frequency driver body (14) is arranged at the bottom of the inner wall of the frame body (15), the variable frequency driver body (14) is positioned on the opposite side of the clamping plates (13), a fixing plate (3) is fixedly connected with the middle end of the top of the bottom plate (1), a mounting plate (17) is fixedly connected with the top of the fixing plate (3) through bolts, and a load motor (2) is fixedly connected with the top of the mounting plate (17), the output shaft fixedly connected with shaft coupling (18) of load motor (2), right-hand member fixedly connected with bull stick (21) of shaft coupling (18), bolt fixedly connected with counterweight plate (19) is passed through on the surface of bull stick (21), recess (23) are seted up on the right side at bottom plate (1) top, there is threaded rod (22) on the left side of recess (23) inner wall through bearing swing joint, the surperficial thread bush of threaded rod (22) is equipped with thread bush (24), the top fixedly connected with riser (20) of thread bush (24), the top of riser (20) extends to the top of bottom plate (1), the right-hand member of bull stick (21) extends to the right side of riser (20).
2. The aging test device for the variable-frequency driver of the motor, according to claim 1, is characterized in that: the bottom fixedly connected with backup pad of landing leg (6), and the bottom fixedly connected with slipmat of backup pad, the equal fixed mounting of inner chamber of first data acquisition module (10) and second data acquisition module (16) has voltage sensor and current sensor.
3. The aging test device for the variable-frequency driver of the motor, according to claim 1, is characterized in that: the one end fixedly connected with connector of first data acquisition module (10) and second data acquisition module (16) is kept away from in connecting wire (12), splint (13) one side fixedly connected with inoxidizing coating relatively, and the material of inoxidizing coating is rubber materials.
4. The aging test device for the variable-frequency driver of the motor, according to claim 1, is characterized in that: the right-hand member of threaded rod (22) extends to the right side of bottom plate (1) and fixedly connected with changes the handle, both sides and recess (23) inner wall's front and back both sides swing joint around riser (20).
5. The aging test device for the variable-frequency driver of the motor, according to claim 1, is characterized in that: be provided with on riser (20) with bull stick (21) cooperation support bearing that uses, the diameter of bull stick (21) and support bearing's internal diameter looks adaptation, the surface of bull stick (21) and support bearing's inner wall swing joint.
6. The aging test device for the variable-frequency driver of the motor, according to claim 1, is characterized in that: the output end of the control panel (28) is electrically connected with the input ends of the transformer (8) and the electric telescopic rod (11) respectively, and the output end of the transformer (8) is electrically connected with the input end of the first data acquisition module (10) through a wire.
7. The aging test device for the variable-frequency driver of the motor, according to claim 1, is characterized in that: the output end of the first data acquisition module (10) is electrically connected with the input end of the variable frequency driver body (14) through a connecting wire (12), the output end of the variable frequency driver body (14) is electrically connected with the input end of the second data acquisition module (16) through the connecting wire (12), and the output end of the second data acquisition module (16) is electrically connected with the input end of the load motor (2).
8. The aging test device for the variable-frequency driver of the motor, according to claim 1, is characterized in that: the input of central processing unit (4) respectively with the input electric connection of first data acquisition module (10), second data acquisition module (16) and infrared ray temperature sensor (25), the output of central processing unit (4) respectively with the input electric connection of display (27), warning light (26) and communication module (5), the output end signal connection of communication module (5) has cloud ware (29), the output end signal connection of cloud ware (29) has surveillance center (30).
9. The testing method of the aging testing device of the variable frequency drive of the motor according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
1) the variable frequency driver comprises a frame body (15), an electric telescopic rod (11) is started through a control panel (28), the electric telescopic rod (11) stretches out to drive a clamping plate (13) to fix the variable frequency driver body (14), after the fixing is completed, a first data acquisition module (10) and a second data acquisition module (16) are connected through a connecting wire (12), after the connection is completed, a transformer (8) is started through the control panel (28) and the voltage of the transformer (8) is adjusted, and the transformer (8) supplies power for the variable frequency driver body (14) through the first data acquisition module (10);
2) the frequency conversion driving device comprises a first data acquisition module (10), a frequency conversion driver body (14), a second data acquisition module (16), a load motor (2), a vertical plate (20), a coupler (18), a rotating rod (21), a counterweight plate (19), a balance weight plate (19), a load of the load motor (2), a vertical plate (20), and an infrared temperature sensor (25), wherein the first data acquisition module (10) is used for detecting input current and voltage and supplying power to the frequency conversion driver body (14), the frequency conversion driver body (14) is used for supplying power to the load motor (2) through the second data acquisition module (16), the second data acquisition module (16) is used for detecting output current and voltage, the output shaft of the load motor (2) rotates to drive the coupler (18) and the rotating rod (21) to rotate, the rotating rod (21) is driven by the rotating rod (21) to rotate, the balance weight plate (19) is driven by the rotating rod (2), the load of the load motor (2) is adjusted, and the vertical plate (20) supports the rotating rod (21), and when the frequency conversion driver body (14) works;
3) when the load weight needs to be adjusted, the threaded rod (22) is rotated through the rotating handle, the threaded rod (22) rotates to drive the threaded sleeve (24) to move backwards and drive the vertical plate (20) to fall off the rotating rod (21), the counterweight plate (19) on the surface of the rotating rod (21) is taken out, and after the adjustment is completed, the threaded rod (22) is rotated to enable the vertical plate (20) to reset to support the rotating rod (21);
4) the working current, the voltage and the temperature of the variable frequency driver body (14) are set in advance through the central processing unit (4), when a detection value is higher than a set value, the central processing unit (4) starts the warning lamp (26) to give an alarm, the central processing unit (4) displays the detection value through the display (27), the central processing unit (4) receives detection signals of the first data acquisition module (10), the second data acquisition module (16) and the infrared temperature sensor (25), the detection signals are transmitted to the cloud server (29) through the communication module (5), the cloud server (29) transmits the detection value to the monitoring center (30), and the aging condition of the variable frequency driver body (14) is tested.
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| CN202010660280.4A CN113933615A (en) | 2020-07-10 | 2020-07-10 | Motor variable frequency driver aging test device and test method thereof |
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