CN111864956B - Fixed mounting base capable of detecting abnormal power failure of motor - Google Patents
Fixed mounting base capable of detecting abnormal power failure of motor Download PDFInfo
- Publication number
- CN111864956B CN111864956B CN202010751515.0A CN202010751515A CN111864956B CN 111864956 B CN111864956 B CN 111864956B CN 202010751515 A CN202010751515 A CN 202010751515A CN 111864956 B CN111864956 B CN 111864956B
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- groove
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- fixedly connected
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/09—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
Abstract
The fixed mounting base comprises a fixed base and a working groove positioned on the upper end surface of the fixed base, two clamping devices which are bilaterally symmetrically arranged relative to the working groove are arranged in the working groove, each clamping device comprises a moving groove positioned on the lower end surface of the working groove and a first sliding groove positioned on the lower side of the moving groove, a threaded block is connected in the moving groove in a sliding mode, and a moving shell in sliding connection with the lower end wall of the working groove is fixedly connected to the upper side of the threaded block.
Description
Technical Field
The invention relates to the technical field of grinding tools, in particular to a fixed mounting base capable of detecting abnormal power failure of a motor.
Background
The rotational speed of motor receives the influence of multiple factor, for example voltage and load, when the load is too big or voltage is unstable, can cause the unstability of motor output shaft, and the inside heat of motor is too high, and general people can't in time judge this kind of condition, and then causes the motor to burn out or life-span to reduce.
Disclosure of Invention
Aiming at the technical defects, the invention provides the fixed mounting base capable of detecting the abnormal power failure of the motor, and the fixed mounting base can overcome the defects.
The invention relates to a fixed mounting base capable of detecting abnormal power failure of a motor, which comprises a fixed base and a working groove positioned on the upper end surface of the fixed base, wherein two clamping devices which are arranged symmetrically left and right relative to the working groove are arranged in the working groove, each clamping device comprises a moving groove positioned on the lower end surface of the working groove and a first sliding groove positioned on the lower side of the moving groove, a thread block is connected in the moving groove in a sliding manner, the upper side of the thread block is fixedly connected with a moving shell which is connected with the lower end wall of the working groove in a sliding manner, a horizontal clamping groove is arranged on one side end surface of the moving shell, which is close to the other moving shell, a horizontal clamping block is connected in the horizontal clamping groove in a sliding manner, a motor is arranged between the two horizontal clamping blocks, and a first spring is fixedly connected between the horizontal clamping block and the horizontal clamping groove, one end of a first pull rope is fixedly connected to one side, far away from the motor, of the horizontal clamping block, a detection device is arranged on the upper side of the clamping device and comprises a fixing plate fixedly connected to the upper end face of the movable shell, a lifting clamping groove located on the upper side of the motor is formed in the lower end face of the fixing plate, a flywheel groove is formed in the upper end face, close to the right side, of the fixing plate, an output shaft extending upwards is connected to the upper side of the motor in a power connection mode, a gear and a centrifugal wheel located below the gear and located on the upper side of the fixing plate are fixedly connected to the output shaft, a first rotating shaft extending upwards is connected to the lower end wall of the flywheel groove in a rotating mode, the same centrifugal wheel is fixedly connected to the first rotating shaft, a ratchet wheel located on the upper side of the centrifugal wheel is connected to the first rotating shaft, and a switch limiting device is arranged in the fixing base, the switch limiting device comprises a second sliding groove located on the left end face of the fixed base and a third sliding groove located on the lower side of the second sliding groove.
Preferably, the lower end wall of the second chute is provided with a limit plate groove, a limit plate extending into the second chute is connected in the limit plate groove in a sliding way, the upper end surface of the limit plate is provided with helical teeth, a second spring is fixedly connected between the limit plate and the lower end wall of the limit plate groove, one end of two second pull ropes is fixedly connected to the lower end face of the limiting plate, a socket positioned between the second sliding groove and the third sliding groove is fixedly connected to the left end face of the fixed base, a U-shaped sliding plate is connected between the second sliding chute and the third sliding chute in a sliding manner, the upper end wall of the U-shaped sliding plate is provided with oblique teeth positioned at the upper side of the limiting plate, the left end wall of the U-shaped sliding plate is fixedly connected with a plug, a return spring is fixedly connected between the plug and the socket, and the plug is connected with the motor through a wire.
Preferably, a clamping block is slidably connected in the lifting clamping groove, a third spring is fixedly connected between the clamping block and the upper end wall of the lifting clamping groove, one end of a third pull rope is fixedly connected to the upper end face of the clamping block, a flywheel positioned in the flywheel groove is fixedly connected to the first rotating shaft, six centrifugal grooves distributed in the circle center array of the centrifugal wheel are formed in the side face of the centrifugal wheel, centrifugal blocks are slidably connected in the centrifugal grooves, a centrifugal spring is fixedly connected between the centrifugal blocks and the centrifugal grooves, four sliding grooves positioned in front of the two first rotating shafts are formed in the front end wall of the working groove, a top plate groove positioned in front of the output shaft is formed in the front end wall of the working groove, a first top plate is slidably connected in the top plate groove, and a fourth spring is fixedly connected between the first top plate and the front end wall of the top plate groove, and a second top plate is connected in the fourth sliding groove in a sliding manner, and a fifth spring is fixedly connected between the second top plate and the front end wall of the fourth sliding groove.
Preferably, the thread block is close to fixedly connected with on the terminal surface of one side of motor the other end of first stay cord with the third stay cord, two rotate between the shifting chute and be connected with the rotation threaded spindle that extends about, it is located to rotate the threaded spindle for the screw thread setting in the shifting chute, rotate the threaded spindle with the thread block is threaded connection, the terminal fixedly connected with in right side of rotation threaded spindle is located the carousel on unable adjustment base right side, the right-hand member face of carousel rotates and is connected with the handle.
Preferably, the end wall of one side of the first sliding chute, which is close to the motor, is provided with a rope winding wheel groove, a sliding block is connected in the first sliding chute in a sliding manner, the upper end surface and the lower end surface of the sliding block are both fixedly connected with one end of a sixth spring, the other end of the sixth spring is fixedly connected with a sliding plate which is in sliding connection with the first sliding chute, the upper end surface of the sliding plate at the upper side is fixedly connected with one end of a fourth pull rope, the other end of the fourth pull rope is fixedly connected on one side end surface of the output shaft, the lower end surface of the lower side sliding plate is fixedly connected with one end of a fifth pull rope, the other end of the fifth pull rope is fixedly connected to the sliding plate, the front end surface and the rear end surface of the rope winding wheel groove are rotationally connected with two second rotating shafts which are vertically symmetrical relative to the sliding block, and a rope winding wheel is fixedly connected to the second rotating shaft, and the other end of the second pull rope is fixedly connected to the end face, close to the motor, of one side of the sliding block.
The beneficial effects are that: the device can realize the clamping and fixing effect on the motor, and can realize the automatic power-off of the motor when the motor load is too large or the voltage is unstable to cause the unstable rotating speed of the output shaft, and the load of the output shaft can be recorded by utilizing the characteristic to measure the maximum load of the motor.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a fixed mounting base for detecting abnormal power failure of a motor according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is an enlarged view of the structure at C in FIG. 1;
fig. 5 is a schematic view of the structure at D-D in fig. 1.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention discloses a fixed mounting base capable of detecting abnormal power failure of a motor, which comprises a fixed base 10 and a working groove 34 positioned on the upper end surface of the fixed base 10, wherein two clamping devices 66 which are bilaterally symmetrically arranged relative to the working groove 34 are arranged in the working groove 34, each clamping device 66 comprises a moving groove 30 positioned on the lower end surface of the working groove 34 and a first sliding groove 59 positioned on the lower side of the moving groove 30, a thread block 29 is connected in the moving groove 30 in a sliding manner, a moving shell 21 which is connected with the lower end wall of the working groove 34 in a sliding manner is fixedly connected on the upper side of the thread block 29, a horizontal clamping groove 31 is arranged on one side end surface of the moving shell 21 close to the other moving shell 21, a horizontal clamping block 24 is connected in the horizontal clamping groove 31 in a sliding manner, a motor 25 is arranged between the two horizontal clamping blocks 24, and a first spring 33 is fixedly connected between the horizontal clamping block 24 and the horizontal clamping groove 31, one end of a first pull rope 32 is fixedly connected to one side of the horizontal clamping block 24, which is far away from the motor 25, the upper side of the clamping device 66 is provided with a detection device 67, the detection device 67 comprises a fixing plate 18 fixedly connected to the upper end surface of the movable housing 21, the lower end surface of the fixing plate 18 is provided with a lifting clamping groove 17 positioned on the upper side of the motor 25, the upper end surface, which is close to the right side, of the fixing plate 18 is provided with a flywheel groove 11, the upper side of the motor 25 is in power connection with an output shaft 15 extending upwards, the output shaft 15 is fixedly connected with a gear 14 and a centrifugal wheel 49 positioned below the gear 14 and on the upper side of the fixing plate 18, the lower end wall of the flywheel groove 11 is rotatably connected with a first rotating shaft 16 extending upwards, the first rotating shaft 16 is fixedly connected with the same centrifugal wheel 49, and the ratchet wheel 13 positioned on the upper side of the centrifugal wheel 49 is connected to the first rotating shaft 16, a switch limiting device 68 is arranged in the fixed base 10, and the switch limiting device 68 includes a second sliding groove 44 located on the left end surface of the fixed base 10 and a third sliding groove 39 located on the lower side of the second sliding groove 44.
Beneficially, a limiting plate groove 40 is arranged on the lower end wall of the second sliding groove 44, a limiting plate 43 extending into the second sliding groove 44 is slidably connected in the limiting plate groove 40, an upper end surface of the limiting plate 43 is provided with oblique teeth, a second spring 41 is fixedly connected between the limiting plate 43 and the lower end wall of the limiting plate groove 40, one end of two second pulling ropes 42 is fixedly connected to the lower end surface of the limiting plate 43, a socket 38 located between the second sliding groove 44 and the third sliding groove 39 is fixedly connected to the left end surface of the fixing base 10, a U-shaped sliding plate 36 is slidably connected between the second sliding groove 44 and the third sliding groove 39, the oblique teeth located on the upper side of the limiting plate 43 are arranged on the upper end wall of the U-shaped sliding plate 36, a plug 35 is fixedly connected to the left end wall of the U-shaped sliding plate 36, and a return spring 37 is fixedly connected between the plug 35 and the socket 38, the plug 35 is connected with the motor 25 through a wire.
Advantageously, a clamping block 20 is slidably connected in the lifting clamping groove 17, a third spring 65 is fixedly connected between the clamping block 20 and the upper end wall of the lifting clamping groove 17, one end of a third pull rope 19 is fixedly connected to the upper end surface of the clamping block 20, a flywheel 12 located in the flywheel groove 11 is fixedly connected to the first rotating shaft 16, six centrifugal grooves 45 distributed in a circle array with respect to the centrifugal wheels 49 are arranged on the side surface of each centrifugal wheel 49, centrifugal blocks 48 are slidably connected in the centrifugal grooves 45, a centrifugal spring 46 is fixedly connected between each centrifugal block 48 and the centrifugal groove 45, a fourth sliding groove 51 located on the front side of the two first rotating shafts 16 is arranged on the front end wall of the working groove 34, a top plate groove 62 located on the front side of the output shaft 15 is arranged on the front end wall of the working groove 34, and a first top plate 27 is slidably connected in the top plate groove 62, a fourth spring 63 is fixedly connected between the first top plate 27 and the front end wall of the top plate groove 62, a second top plate 50 is slidably connected in the fourth sliding groove 51, and a fifth spring 52 is fixedly connected between the second top plate 50 and the front end wall of the fourth sliding groove 51.
Advantageously, the other end of the first pull rope 32 and the other end of the third pull rope 19 are fixedly connected to one end surface of the screw block 29 close to the motor 25, a rotating screw shaft 26 extending left and right is rotatably connected between the two moving grooves 30, the rotating screw shaft 26 is located in the moving grooves 30 in a screw arrangement, the rotating screw shaft 26 and the screw block 29 are in a screw connection, a rotary disc 23 located on the right side of the fixed base 10 is fixedly connected to the right end of the rotating screw shaft 26, and a handle 22 is rotatably connected to the right end surface of the rotary disc 23.
Advantageously, a rope winding wheel groove 57 is provided on one side end wall of the first sliding groove 59 close to the motor 25, a sliding block 58 is slidably connected in the first sliding groove 59, one end of a sixth spring 60 is fixedly connected to both upper and lower end surfaces of the sliding block 58, a sliding plate 61 slidably connected to the first sliding groove 59 is fixedly connected to the other end of the sixth spring 60, one end of a fourth rope 53 is fixedly connected to an upper end surface of the upper sliding plate 61, the other end of the fourth rope 53 is fixedly connected to one side end surface of the output shaft 15, one end of a fifth rope 55 is fixedly connected to a lower end surface of the lower sliding plate 61, the other end of the fifth rope 55 is fixedly connected to the sliding plate 61, two second rotating shafts 54 vertically symmetrical with respect to the sliding block 58 are rotatably connected to front and rear end surfaces of the rope winding wheel groove 57, a rope winding wheel 56 is fixedly connected to the second rotating shafts 54, the other end of the second pull rope 42 is fixedly connected to one end surface of the sliding block 58 close to the motor 25.
In the initial state, the limit plate 43 is at the upper limit position, and the motor 25 is clamped by the two horizontal clamping blocks 24 and the clamping block 20;
when the work is started, the U-shaped sliding plate 36 is pressed rightwards, the U-shaped sliding plate 36 drives the plug 35 to move rightwards, so that the plug 35 enters the socket 38, the motor 25 is powered on and started, due to the action of the U-shaped sliding plate 36 and the limit plate 43, the return spring 37 is compressed, when the output shaft 15 drives the gear 14 and the centrifugal wheel 49 on the output shaft 15 to start rotating, the centrifugal wheel 49 on the first rotating shaft 16 and the flywheel 12 are driven to rotate simultaneously through the rotation of the gear 14 and the ratchet wheel 13, under the action of centrifugal force, the second top plate 50 pressed by the centrifugal block 48 on the left side moves forwards, the centrifugal block 48 presses the first top plate 27 to move forwards, the first top plate 27 and the second top plate 50 move forwards, so that the two sliding plates 61 move towards the same distance towards the sides far away from each other simultaneously, at this time, the up-down position of the sliding block 58 is not changed, the second pull rope 42 is not pulled, and the limit plate 43 is kept at the upper limit position, the plug 35 is always positioned in the socket 38, and the motor 25 is always in a power-on state;
when the load of the output shaft 15 is increased to a moving degree, the rotating speed of the output shaft 15 is reduced, and meanwhile, due to the action of the flywheel 12, the rotating speed of the first rotating shaft 16 is not reduced, at this time, the rotating speeds of the two centrifugal wheels 49 are different, the forward moving distances of the second top plate 50 and the first top plate 27 are also different, the horizontal position of the sliding block 58 is changed, the second pull rope 42 is pulled, the limiting plate 43 moves downwards to be separated from the limitation on the U-shaped sliding plate 36, under the action of the return spring 37, the plug 35 moves leftwards to be separated from the socket 38, the motor 25 is powered off, the output shaft 15 does not rotate, the protection on the motor 25 can be realized, and the maximum load of the motor 25 can be measured;
the handle 22 is rotated manually, the rotating disc 23 and the rotating threaded shaft 26 are driven to rotate, the threaded block 29 is driven to move in the direction away from each other, the first pull rope 32 and the third pull rope 19 are pulled, the clamping block 20 moves upwards, the horizontal clamping block 24 moves towards the side away from the motor 25, and the motor 25 can be taken out after the clamping of the motor 25 is released.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (1)
1. The utility model provides a fixed mounting base of unusual outage of detectable motor, includes unable adjustment base and is located the work groove of unable adjustment base up end, its characterized in that: the working groove is internally provided with two clamping devices which are bilaterally and symmetrically arranged relative to the working groove, each clamping device comprises a movable groove and a first sliding groove, the movable groove is positioned on the lower end face of the working groove, the first sliding groove is positioned on the lower side of the movable groove, a thread block is connected in the movable groove in a sliding manner, the upper side of the thread block is fixedly connected with a movable shell which is connected with the lower end wall of the working groove in a sliding manner, a horizontal clamping groove is arranged on one side end face of the movable shell, which is close to another movable shell, a horizontal clamping block is connected in the horizontal clamping groove in a sliding manner, a motor is arranged between the two horizontal clamping blocks, a first spring is fixedly connected between the horizontal clamping block and the horizontal clamping groove, one side of the horizontal clamping block, which is far away from the motor, is fixedly connected with one end of a first pull rope, the, the lower end face of the fixed plate is provided with a lifting clamping groove positioned on the upper side of the motor, the upper end face of the fixed plate close to the right side is provided with a flywheel groove, the upper side of the motor is in power connection with an output shaft extending upwards, the output shaft is fixedly connected with a gear and a centrifugal wheel positioned below the gear and positioned on the upper side of the fixed plate, the lower end wall of the flywheel groove is rotatably connected with a first rotating shaft extending upwards, the first rotating shaft is fixedly connected with the same centrifugal wheel, a ratchet wheel positioned on the upper side of the centrifugal wheel is connected to a ratchet on the first rotating shaft, a switch limiting device is arranged in the fixed base and comprises a second sliding groove positioned on the left end face of the fixed base and a third sliding groove positioned on the lower side of the second sliding groove; a limiting plate groove is formed in the lower end wall of the second sliding groove, a limiting plate extending into the second sliding groove is connected in the limiting plate groove in a sliding mode, oblique teeth are arranged on the upper end face of the limiting plate, a second spring is fixedly connected between the limiting plate and the lower end wall of the limiting plate groove, one end of each of two second pull ropes is fixedly connected to the lower end face of the limiting plate, a socket located between the second sliding groove and the third sliding groove is fixedly connected to the left end face of the fixing base, a U-shaped sliding plate is connected between the second sliding groove and the third sliding groove in a sliding mode, the oblique teeth located on the upper side of the limiting plate are arranged on the upper end wall of the U-shaped sliding plate, a plug is fixedly connected to the left end wall of the U-shaped sliding plate, a reset spring is fixedly connected between the plug and the socket, and the motor are connected through a conducting wire; the lifting clamping groove is internally and fixedly connected with a clamping block, a third spring is fixedly connected between the clamping block and the upper end wall of the lifting clamping groove, the upper end face of the clamping block is fixedly connected with one end of a third pull rope, a flywheel positioned in the flywheel groove is fixedly connected to a first rotating shaft, six centrifugal grooves distributed in the circle center array of the centrifugal wheel are formed in the side face of the centrifugal wheel, centrifugal blocks are connected in the centrifugal grooves in a sliding mode, centrifugal springs are fixedly connected between the centrifugal blocks and the centrifugal grooves, a fourth sliding groove positioned on the front side of the two first rotating shafts is formed in the front end wall of the working groove, a top plate groove positioned on the front side of the output shaft is formed in the front end wall of the working groove, a first top plate is connected in the top plate groove in a sliding mode, and a fourth spring is fixedly connected between the first top plate and the front end wall of the top plate groove, a second top plate is connected in the fourth sliding groove in a sliding mode, and a fifth spring is fixedly connected between the second top plate and the front end wall of the fourth sliding groove; the end face, close to the motor, of one side of the thread block is fixedly connected with the other end of the first pull rope and the other end of the third pull rope, a rotating thread shaft extending leftwards and rightwards is rotatably connected between the two moving grooves, the rotating thread shaft is located in the moving grooves and is arranged in a threaded mode, the rotating thread shaft and the thread block are in threaded connection, the tail end of the right side of the rotating thread shaft is fixedly connected with a rotary table located on the right side of the fixed base, and the right end face of the rotary table is rotatably connected with a handle; the end wall of one side of the first sliding chute, which is close to the motor, is provided with a rope winding wheel groove, a sliding block is connected in the first sliding chute in a sliding way, the upper end surface and the lower end surface of the sliding block are both fixedly connected with one end of a sixth spring, the other end of the sixth spring is fixedly connected with a sliding plate which is in sliding connection with the first sliding chute, the upper end surface of the sliding plate at the upper side is fixedly connected with one end of a fourth pull rope, the other end of the fourth pull rope is fixedly connected on one side end surface of the output shaft, the lower end surface of the lower side sliding plate is fixedly connected with one end of a fifth pull rope, the other end of the fifth pull rope is fixedly connected to the sliding plate, the front end surface and the rear end surface of the rope winding wheel groove are rotationally connected with two second rotating shafts which are vertically symmetrical relative to the sliding block, and a rope winding wheel is fixedly connected to the second rotating shaft, and the other end of the second pull rope is fixedly connected to the end face, close to the motor, of one side of the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751515.0A CN111864956B (en) | 2020-07-30 | 2020-07-30 | Fixed mounting base capable of detecting abnormal power failure of motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751515.0A CN111864956B (en) | 2020-07-30 | 2020-07-30 | Fixed mounting base capable of detecting abnormal power failure of motor |
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| CN111864956A CN111864956A (en) | 2020-10-30 |
| CN111864956B true CN111864956B (en) | 2021-08-03 |
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| CN112490997A (en) * | 2020-12-16 | 2021-03-12 | 南京克晟圣贸易有限公司 | A prevent device that splits for lightning rod |
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| KR20150054595A (en) * | 2013-11-12 | 2015-05-20 | 현대모비스 주식회사 | Apparatus for preventing motor driver by over voltage |
| CN204316077U (en) * | 2015-01-13 | 2015-05-06 | 江苏金陵自控技术有限公司 | Single current sensor motor phase failure, overload, short-circuit protection |
| CN105703528A (en) * | 2016-03-16 | 2016-06-22 | 何国华 | Steering wheel hub system for ball hinge universal rotary motor |
| GB201803977D0 (en) * | 2018-03-13 | 2018-04-25 | Rolls Royce Plc | Fault ride-through system |
| CN108988575B (en) * | 2018-05-30 | 2020-07-03 | 国网新源控股有限公司回龙分公司 | High-reliability generator set |
| CN109240396A (en) * | 2018-10-11 | 2019-01-18 | 玉环新航工业设计有限公司 | A kind of voltage regulating device and its application method |
| CN109639043B (en) * | 2018-12-05 | 2020-12-11 | 湖南奥通智能科技有限公司 | Servo motor with rapid braking capability and control method thereof |
| CN210927350U (en) * | 2019-08-28 | 2020-07-03 | 泉州市范特西智能科技有限公司 | Prevent too big electric current protection motor structure |
| CN210927344U (en) * | 2019-11-11 | 2020-07-03 | 深圳市众平机电有限公司 | Motor capable of intelligently converting power generation |
| CN212012126U (en) * | 2019-12-03 | 2020-11-24 | 常德威迪电气有限责任公司 | Intelligent circuit breaker |
| CN110867831A (en) * | 2019-12-09 | 2020-03-06 | 安徽智纳农业科技有限公司 | Protective device for information motor |
| CN110808660B (en) * | 2019-12-20 | 2020-12-08 | 温岭市维尔峰机电有限公司 | Motor overload overheat protection device |
| CN211127474U (en) * | 2019-12-30 | 2020-07-28 | 深圳市优壹科技有限公司 | Brake Hall motor |
| CN111064319B (en) * | 2020-01-18 | 2020-09-01 | 山东深川变频科技股份有限公司 | Motor shock attenuation, constant temperature and overload protection equipment |
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