CN112542920A - Motor for preventing coil overload and ensuring normal operation - Google Patents
Motor for preventing coil overload and ensuring normal operation Download PDFInfo
- Publication number
- CN112542920A CN112542920A CN202110026283.7A CN202110026283A CN112542920A CN 112542920 A CN112542920 A CN 112542920A CN 202110026283 A CN202110026283 A CN 202110026283A CN 112542920 A CN112542920 A CN 112542920A
- Authority
- CN
- China
- Prior art keywords
- wall
- block
- motor
- heat
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/27—Devices for sensing current, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a motor capable of preventing coil overload and guaranteeing normal operation, which comprises a motor shell, wherein a heat dissipation working block is fixedly arranged on the end surface of the top of the motor shell, a liquid cooling heat dissipation mechanism used for dissipating heat when the inner wall of the motor is overheated is arranged in the heat dissipation working block, a magnetic induction cavity is arranged in the motor shell, a magnet slider sliding groove is arranged on the inner bottom wall of the magnetic induction cavity, and a current detection mechanism used for detecting the current in the motor is arranged in the magnet slider sliding groove; the invention uses two groups of cooling systems of air cooling and liquid cooling, when the traditional air cooling can not effectively radiate heat, the liquid cooling is started by using the heat of the motor as power, so that the inner wall of the motor is quickly cooled, the damage in the motor caused by overheating is avoided, meanwhile, the inspection of the current of the motor coil is increased, the overload of the motor coil is avoided, the resistance in the circuit is increased during the overload, and the liquid cooling system is started, so that the coil is prevented from being burnt out caused by the overload of the coil circuit.
Description
Technical Field
The invention relates to the field of motors, in particular to a motor capable of preventing coil overload and guaranteeing normal operation.
Background
The motor is an electromagnetic device which realizes electric energy conversion or transmission according to the electromagnetic induction law, is used as a power source of electrical appliances or various machines, and mainly functions to convert electric energy into mechanical energy.
At the present stage, the heat abstractor inside the motor is mostly the cooperation completion heat dissipation of heating panel and fan, and when the motor was used for a long time, single forced air cooling radiating effect is not good, causes the inside overheat damage of motor easily, and the motor used for a long time simultaneously causes coil inner current overload to make the coil burn out easily.
Disclosure of Invention
The invention aims to solve the technical problem of providing a motor for preventing coil overload and ensuring normal operation, and solves the problem.
The invention relates to a motor for preventing coil overload and ensuring normal operation, which comprises a motor shell, wherein a heat dissipation working block is fixedly arranged on the top end surface of the motor shell, a liquid cooling heat dissipation mechanism for dissipating heat when the inner wall of the motor is overheated is arranged in the heat dissipation working block, a magnetic induction cavity is arranged in the motor shell, a magnet slide block chute is arranged on the inner wall of the magnetic induction cavity, a current detection mechanism for detecting the current in the motor is arranged in the magnet slide block chute, a conductive block chute for preventing circuit overload is arranged on the inner wall on the right side of the magnet slide block chute, main shafts extending rightwards are rotatably arranged on the left inner wall and the right inner wall of the magnetic induction cavity, power is led out from the part of the main shafts extending rightwards into the outside, iron cores which are symmetrical up and down are fixedly arranged on the main shafts, coils are fixedly wound on the iron cores, and permanent, the main shaft is internally and fixedly provided with a heat conduction strip extending leftwards, the upper inner wall and the lower inner wall of the magnetic induction cavity are fixedly provided with heat conduction fixed blocks, the heat conduction fixed blocks are fixedly provided with heat conduction bearings for cutting off the heat conduction fixed blocks, the main shaft penetrates through the heat conduction bearings and is in running fit connection with the heat conduction bearings, the upper end and the lower end of each heat conduction strip are fixedly provided with first heat conduction blocks fixedly connected with the iron core, the end surface of the heat conduction strip, far away from one side of the center of the heat conduction strip, is fixedly provided with three second heat conduction blocks abutted against the heat conduction bearings, the heat conduction fixed blocks are internally provided with liquid cooling cavities which are vertically symmetrical, the inner wall of the liquid cooling cavity, far away from one side of the center of the main shaft, is fixedly communicated with a first pipeline and a second pipeline positioned at the rear side of the first pipeline, the main shaft is fixedly provided with an air cooling fan positioned at the left, and air outlets which are positioned on the upper side and the lower side of the main shaft and are vertically symmetrical are arranged on the inner wall of the left side of the magnetic induction cavity in a run-through manner, and filter screens are fixedly arranged in the air inlets and the air outlets.
Furthermore, be equipped with the hotness chamber that the opening is decurrent on the magnetic induction intracavity roof, the hotness intracavity fixation is equipped with fixed heat-conducting plate, the fixed thermal expansion piece that is equipped with on the fixed heat-conducting plate top terminal surface, the hotness intracavity slides and is equipped with and is located the hotness push pedal of thermal expansion piece upside, fixed be equipped with on the hotness push pedal top terminal surface with hotness intracavity roof fixed connection's push pedal spring, fixedly connected with on the hotness push pedal bottom terminal surface first stay cord.
Further, the liquid cooling heat dissipation mechanism comprises a Stirling engine fixedly arranged in the heat dissipation working block, a bevel gear transmission cavity positioned on the right side of the Stirling engine is arranged in the heat dissipation working block, a power shaft extending rightwards is fixedly arranged on the end face of the right side of the Stirling engine, the power shaft penetrates through the left inner wall and the right inner wall of the bevel gear transmission cavity and is in running fit connection with the left inner wall and the right inner wall of the bevel gear transmission cavity, a driving bevel gear is fixedly arranged on the part, extending into the bevel gear transmission cavity, of the power shaft, an upwards extending bevel gear shaft is rotatably arranged on the top wall in the bevel gear transmission cavity, a driven bevel gear meshed with the driving bevel gear is fixedly arranged on the bevel gear shaft, a liquid cooling heat dissipation fan is fixedly arranged on the part, extending upwards into the outside, of the Stirling engine cooling fins matched with the liquid, a heat conducting cavity communicated with the Stirling engine is arranged on the top wall in the magnetic induction cavity in a run-through manner, a fixed heat conducting block fixedly connected with the bottom end face of the Stirling engine is fixedly arranged in the heat conducting cavity, a movable heat conducting block positioned on the lower side of the fixed heat conducting block is arranged in the heat conducting cavity in a sliding manner, a convex block chute with a leftward opening is arranged on the inner wall on the left side of the heat conducting cavity, a convex block fixedly connected with the left end face of the movable heat conducting block is arranged in the convex block chute in a sliding manner, a convex block spring fixedly connected with the top wall in the convex block chute is fixedly arranged on the end face of the top of the convex block, a heat insulation plate chute with a leftward opening and cutting off the heat conducting cavity is arranged on the inner wall on the right side of the heat conducting cavity, the electromagnetic spring is electrically connected with a motor main power supply circuit, a fixture block sliding groove with an upward opening is formed in the inner bottom wall of the heat insulation plate sliding groove, a fixture block is arranged in the fixture block sliding groove in a sliding mode, a fixture block spring fixedly connected with the inner bottom wall of the fixture block sliding groove is fixedly arranged on the end face of the bottom of the fixture block, a second pull rope and the first pull rope are fixedly connected to the inner bottom wall of the fixture block sliding groove, are far away from the thermal inductance push plate and penetrate through the inner wall of the left side of the thermal inductance cavity and the other end.
Further, the fixed hydraulic pump that is located bevel gear transmission chamber right side that is equipped with in the heat dissipation work piece, the power shaft runs through hydraulic pump left side terminal surface and power fit with it is connected, the intercommunication has on the hydraulic pump right side terminal surface first pipeline is kept away from the other end in liquid cooling chamber, be fixed on the heat dissipation work piece top terminal surface be equipped with liquid cooling radiator fan matched with liquid circulation fin, the intercommunication has on the liquid circulation fin bottom terminal surface with the third pipeline of hydraulic pump right side terminal surface intercommunication and the second pipeline is kept away from the other end in liquid cooling chamber.
Further, current detection mechanism includes the fixed judgement electro-magnet that is equipped with on the inner wall of magnet slider spout right side, judge the electro-magnet with the coil passes through the circuit electricity and connects, slide in the magnet slider spout be equipped with judge the electro-magnet complex magnet slider that repels mutually, fixed be equipped with on the magnet slider left side terminal surface with magnet slider spout left side inner wall fixed connection's magnet reset spring, fixedly connected with third stay cord on the magnet slider rear end terminal surface and keeping away from of second stay cord the fixture block just runs through in the fixture block spout diapire with the other end of magnet slider spout rear side inner wall.
Further, fixedly connected with resistance strip on the roof in the conducting block spout, fixedly connected with on the terminal surface of resistance strip right side with the first wire that the coil electricity is connected, slide in the conducting block spout be equipped with the conducting block of resistance strip looks butt, fixedly connected with on the terminal surface of conducting block right side has the second wire of being connected with the motor live wire electricity, fixedly on the inner wall of conducting block spout left side be equipped with the conducting block is the complex electro-magnet that repels mutually, fixedly connected with on the terminal surface of conducting block left side the third stay cord is kept away from the magnet slider just link up magnet slider spout rear side inner wall with the other end of conducting block spout left side inner wall.
The invention has the beneficial effects that: the motor coil current detection device is simple in structure and convenient to operate, two groups of cooling systems of air cooling and liquid cooling are used, when the traditional air cooling cannot effectively dissipate heat, the liquid cooling is started by using the heat of the motor as power, so that the inner wall of the motor is quickly cooled, the damage to the inside of the motor caused by overheating is avoided, meanwhile, the current detection of the motor coil is increased, the overload of the motor coil is avoided, the resistance in the circuit is increased during the overload, the liquid cooling system is started, and the coil is prevented from being burnt out due to the overload of the coil circuit.
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 schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic structural diagram of the embodiment of the present invention at C in FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: 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 motor for preventing coil overload and ensuring normal operation, which is described in conjunction with the attached drawings 1-4, comprises a motor casing 10, a heat dissipation working block 39 is fixedly arranged on the top end surface of the motor casing 10, a liquid cooling heat dissipation mechanism for dissipating heat when the inner wall of the motor is overheated is arranged in the heat dissipation working block 39, a magnetic induction cavity 25 is arranged in the motor casing 10, a magnet slide block chute 52 is arranged on the inner bottom wall of the magnetic induction cavity 25, a current detection mechanism for detecting the current inside the motor is arranged in the magnet slide block chute 52, a conductive block chute 13 for preventing circuit overload is arranged on the inner wall on the right side of the magnet slide block chute 52, a main shaft 20 extending rightwards is rotatably arranged on the left inner wall and the right inner wall of the magnetic induction cavity 25, the part of the main shaft 20 extending rightwards into the outside is led out power, an iron core 24 which is vertically, permanent magnets 17 matched with the coil 23 and the iron core 24 are fixedly arranged on the upper inner wall and the lower inner wall of the magnetic induction cavity 25, a heat conduction strip 21 extending leftwards is fixedly arranged in the main shaft 20, heat conduction fixed blocks 53 are fixedly arranged on the upper inner wall and the lower inner wall of the magnetic induction cavity 25, heat conduction bearings 55 for cutting the heat conduction fixed blocks 53 are fixedly arranged on the heat conduction fixed blocks 53, the main shaft 20 penetrates through the heat conduction bearings 55 and is connected with the heat conduction bearings 55 in a rotating fit manner, first heat conduction blocks 22 fixedly connected with the iron core 24 are fixedly arranged on the upper end and the lower end of each heat conduction strip 21, three second heat conduction blocks 57 abutted against the heat conduction bearings 55 are fixedly distributed on the end face of one side, away from the center of the heat conduction strip 21, vertically symmetrical liquid cooling cavities 54 are arranged in the heat conduction fixed blocks 53, a first pipeline 26 and a second pipeline 28 positioned on the rear side of the first pipeline 26 are fixedly communicated on the inner wall of one side, away from the center of the, the air cooling fan 49 located on the left side of the heat conduction fixing block 53 is fixedly arranged on the main shaft 20, the air inlets 18 located on the upper side and the lower side of the main shaft 20 and in longitudinal symmetry are arranged on the inner wall on the right side of the magnetic induction cavity 25 in a penetrating mode, the air outlets 48 located on the upper side and the lower side of the main shaft 20 and in longitudinal symmetry are arranged on the inner wall on the left side of the magnetic induction cavity 25 in a penetrating mode, and the filter screen 19 is fixedly arranged in each of the air.
Beneficially, a thermal sensing cavity 40 with a downward opening is arranged on the inner top wall of the magnetic sensing cavity 25, a fixed heat conducting plate 45 is fixedly arranged in the thermal sensing cavity 40, a thermal expansion block 44 is fixedly arranged on the top end face of the fixed heat conducting plate 45, a thermal sensing push plate 42 located on the upper side of the thermal expansion block 44 is slidably arranged in the thermal sensing cavity 40, a push plate spring 41 fixedly connected with the inner top wall of the thermal sensing cavity 40 is fixedly arranged on the top end face of the thermal sensing push plate 42, and the first pull rope 43 is fixedly connected to the bottom end face of the thermal sensing push plate 42.
Beneficially, the liquid cooling heat dissipation mechanism comprises a Stirling engine 38 fixedly arranged in a heat dissipation working block 39, a bevel gear transmission cavity 36 located on the right side of the Stirling engine 38 is arranged in the heat dissipation working block 39, a power shaft extending rightwards is fixedly arranged on the end face of the right side of the Stirling engine 38, the power shaft penetrates through the left inner wall and the right inner wall of the bevel gear transmission cavity 36 and is connected with the bevel gear transmission cavity in a matched manner in a rotating mode, the power shaft extends into a driving bevel gear 35 fixedly arranged on the portion in the bevel gear transmission cavity 36, a bevel gear shaft 34 extending upwards is rotatably arranged on the top wall in the bevel gear transmission cavity 36, a driven bevel gear 32 meshed with the driving bevel gear 35 is fixedly arranged on the bevel gear shaft 34, a heat dissipation fan 33 is fixedly arranged on the portion extending upwards into the outside, a fixed type liquid cooling heat dissipation fan 33 fixedly arranged on the top end face of the Stirling engine 38 Engine heat sink 37, link up on the roof in the magnetism sensing chamber 25 be equipped with the communicating heat conduction chamber 62 of stirling 38, heat conduction chamber 62 internal fixation be equipped with stirling 38 bottom terminal surface fixed connection's fixed heat conduction piece 61, it is located to slide in the heat conduction chamber 62 the removal heat conduction piece 68 of fixed heat conduction piece 61 downside, be equipped with opening lug spout 71 left on the inner wall of heat conduction chamber 62 left side, slide in lug spout 71 be equipped with remove heat conduction piece 68 left side terminal surface fixed connection's lug 69, fixed be equipped with on the lug 69 top terminal surface with roof fixed connection's lug spring 70 in lug spout 71, be equipped with the opening left on the inner wall of heat conduction chamber 62 right side and cut heat insulating board spout 72 of heat conduction chamber 62, slide in heat insulating board spout 72 and be equipped with heat insulating board 63, fixed be equipped with on the heat insulating board 63 right side terminal surface with the electromagnetism of heat insulating board spout 72 right side inner The electromagnetic spring 64 is electrically connected with the motor main power supply circuit, a fixture block sliding groove 66 with an upward opening is formed in the bottom wall of the heat insulation plate sliding groove 72, a fixture block 65 is arranged in the fixture block sliding groove 66 in a sliding mode, a fixture block spring 67 fixedly connected with the bottom wall of the fixture block sliding groove 66 is fixedly arranged on the bottom end face of the bottom of the fixture block 65, a second pull rope 14 and the first pull rope 43 are fixedly connected to the inner bottom wall of the fixture block sliding groove 66, are far away from the heat sensing push plate 42 and penetrate through the inner wall of the left side of the heat sensing cavity 40 and the other end of the inner bottom wall of the.
Beneficially, the hydraulic pump 27 located on the right side of the bevel gear transmission cavity 36 is fixedly arranged in the heat dissipation working block 39, the power shaft penetrates through the left end face of the hydraulic pump 27 and is connected with the hydraulic pump in a power fit mode, the first pipeline 26 is communicated with the end face of the right side of the hydraulic pump 27 and is far away from the other end of the liquid cooling cavity 54, the liquid circulation cooling fin 30 matched with the liquid cooling fan 33 is fixedly arranged on the top end face of the heat dissipation working block 39, the third pipeline 29 communicated with the right end face of the hydraulic pump 27 is communicated with the end face of the bottom of the liquid circulation cooling fin 30, and the other end of the liquid cooling cavity 54 is far away from the second pipeline 28.
Beneficially, the current detection mechanism includes a determination electromagnet 60 fixedly disposed on the inner wall of the right side of the magnet slider sliding groove 52, the determination electromagnet 60 is electrically connected to the coil 23 through a circuit, a magnet slider 59 in repulsion fit with the determination electromagnet 60 is slidably disposed in the magnet slider sliding groove 52, a magnet reset spring 58 fixedly connected to the inner wall of the left side of the magnet slider sliding groove 52 is fixedly disposed on the end surface of the left side of the magnet slider 59, a third pull rope 46 and the second pull rope 14 are fixedly connected to the end surface of the rear side of the magnet slider 59, far away from the fixture block 65, and penetrate through the inner bottom wall of the fixture block sliding groove 66 and the other end of the inner wall of the rear side of the magnet slider sliding groove 52.
Beneficially, a resistor strip 16 is fixedly connected to the inner top wall of the conductive block sliding groove 13, a first lead 15 electrically connected with the coil 23 is fixedly connected to the right end face of the resistor strip 16, a conductive block 12 abutting against the resistor strip 16 is slidably arranged in the conductive block sliding groove 13, a second lead 11 electrically connected with a motor live wire is fixedly connected to the right end face of the conductive block 12, an electromagnet in repulsion fit with the conductive block 12 is fixedly arranged on the inner wall of the left side of the conductive block sliding groove 13, and the third pull rope 46 is fixedly connected to the end face of the left side of the conductive block 12, is far away from the magnet sliding block 59 and penetrates through the inner wall of the rear side of the magnet sliding groove 52 and the other end of the inner wall of the left side of the conductive block sliding groove 13.
In the initial state, the thermal expansion block 44 is in a contracted state, the heat sensing push plate 42 is positioned at the lower limit position under the action of the push plate spring 41 to abut against the thermal expansion block 44, the bump spring 70 is in a stretching state, the electromagnetic spring 64 is powered off, the heat insulation plate 63 is positioned at a left limit position under the action of the electromagnetic spring 64 to separate the fixed heat conduction block 61 and the movable heat conduction block 68, the fixture block 65 is positioned at the upper limit position under the action of the fixture block spring 67 and extends into the heat insulation plate sliding groove 72 to be abutted against the right side end face of the heat insulation plate 63, the conductive block 12 is located at the right limit position, the magnet slider 59 is located at the right limit position under the action of the magnet return spring 58, the first pipeline 26, the liquid cooling cavity 54, the second pipeline 28 and the inner cavity of the liquid circulation cooling fin 30 are filled with cooling liquid.
When the electromagnetic force judging device works, the motor is electrified, the electromagnetic spring 64 is electrified, so that the current passes through the second lead 11, the conductive block 12, the resistance strip 16 and the first lead 15 to electrify the coil 23, the iron core 24 drives the main shaft 20 to rotate under the action of the permanent magnet 17 to output power, the main shaft 20 rotates to drive the cooling fan 49 to rotate, air enters the magnetic induction cavity 25 through the filter screen 19 on the right side and is discharged through the filter screen 19 on the left side, and the coil 23 is electrified to enable the judging electromagnet 60 to generate magnetic force;
when the current in the coil 23 is overloaded, the judgment electromagnet 60 is increased to push the magnet slide block 59 to move leftwards to tension the second pull rope 14 and the third pull rope 46, the third pull rope 46 is tensioned to displace the conductive block 12 leftwards, so that the distance of the current passing through the resistor strip 16 is increased, the resistance of the resistor strip 16 in the circuit is increased, so that the current is reduced, the coil 23 is protected, when the current is continuously increased, the magnet slide block 59 moves leftwards to tension the second pull rope 14 to displace the fixture block 65 downwards, so that the fixture block 65 is separated from the heat insulation plate 63, the heat insulation plate 63 moves rightwards under the action of the electrified electromagnetic spring 64, so that the movable heat conduction block 68 and the projection block 69 move upwards under the action of the projection spring 70 to abut against the fixed heat conduction block 61, and the movable heat conduction block 68 and the fixed heat conduction block 61 guide the heat generated during the work in the magnetic induction cavity 25 into the Stirling engine, the Stirling engine 38 is enabled to work to drive the power shaft to rotate, the power shaft rotates to drive the driving bevel gear 35 to rotate and the hydraulic pump 27 works, the driving bevel gear 35 rotates to drive the driven bevel gear 32 meshed with the driving bevel gear to rotate, heat in the Stirling engine 38 is led into the Stirling engine radiating fins 37, the heat dissipation is completed by the aid of the rotating liquid cooling radiating fan 33, the Stirling engine 38 is enabled to continuously run, the hydraulic pump 27 works to enable cooling liquid in the inner cavities of the first pipeline 26, the liquid cooling cavity 54, the second pipeline 28 and the liquid circulation radiating fins 30 to form circulation, heat generated by overload of the coils on the iron core 24 is led into the liquid circulation radiating fins 30 through the heat conducting bearing 55, the second heat conducting block 57, the heat conducting strips 21 and the first heat conducting blocks 22, the heat dissipation is completed by the aid of the rotating liquid cooling radiating fan 33, after, the electromagnetic spring 64 is powered off, so that the heat insulation plate 63 is reset to cut off the movable heat conduction block 68 and the fixed heat conduction block 61 again;
when the motor is operated and overheated in the magnetic induction cavity 25, the fixed heat conducting plate 45 conducts heat to heat the thermal expansion block 44, so that the thermal expansion block 44 expands to push the thermal induction push plate 42 to move upwards to tighten the first pull rope 43, the clamping block 65 moves downwards to start the heat dissipation function, heat on the thermal conduction fixed block 53 is conducted into the liquid circulation heat dissipation fin 30 through cooling liquid in the liquid cooling cavity 54, the heat dissipation is completed by matching with the rotating liquid cooling heat dissipation fan 33, and after the motor finishes working, the electromagnetic spring 64 is powered off to reset the heat insulation plate 63 to re-isolate the movable heat conduction block 68 from the fixed heat conduction block 61.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a prevent coil overload guarantee normal operating motor, includes the motor casing, its characterized in that: a heat dissipation working block is fixedly arranged on the end face of the top of the motor shell, a liquid cooling heat dissipation mechanism used for dissipating heat when the inner wall of the motor is overheated is arranged in the heat dissipation working block, a magnetic induction cavity is arranged in the motor shell, a magnet slide block chute is arranged on the inner bottom wall of the magnetic induction cavity, a current detection mechanism used for detecting the current inside the motor is arranged in the magnet slide block chute, a conductive block chute for preventing the overload of a circuit is arranged on the inner wall of the right side of the magnet slide block chute, a main shaft extending rightwards is rotatably arranged on the left inner wall and the right inner wall of the magnetic induction cavity, and the; the spindle is fixedly provided with an iron core which is vertically symmetrical, the iron core is fixedly wound with a coil, permanent magnets matched with the coil and the iron core are fixedly arranged on the upper inner wall and the lower inner wall of the magnetic induction cavity, a heat conduction strip which extends leftwards is fixedly arranged in the spindle, heat conduction fixing blocks are fixedly arranged on the upper inner wall and the lower inner wall of the magnetic induction cavity, a heat conduction bearing for cutting off the heat conduction fixing blocks is fixedly arranged on the heat conduction fixing blocks, the spindle penetrates through the heat conduction bearing and is connected with the heat conduction bearing in a rotating fit manner, first heat conduction blocks fixedly connected with the iron core are fixedly arranged on the upper end and the lower end of each heat conduction strip, three second heat conduction blocks which are abutted against the heat conduction bearing are fixedly distributed on the end surface of the heat conduction strip far away from the center side of the heat conduction strip, vertically symmetrical liquid cooling cavities are arranged in the heat conduction fixing blocks, a first pipeline and a second pipeline located on the rear side of the first pipeline, the air cooling fan is fixedly arranged on the left side of the heat conduction fixing block on the main shaft, air inlets which are located in the up-and-down symmetry of the upper side and the lower side of the main shaft are arranged on the inner wall of the right side of the magnetic induction cavity in a penetrating mode, air outlets which are located in the up-and-down symmetry of the upper side and the lower side of the main shaft are arranged on the inner wall of the left side of the magnetic induction cavity in a penetrating mode, and.
2. The motor for preventing coil overload and guaranteeing normal operation as claimed in claim 1, wherein: the magnetic induction heating device is characterized in that a thermal induction cavity with a downward opening is formed in the top wall of the magnetic induction cavity, a fixed heat conducting plate is fixedly arranged in the thermal induction cavity, a thermal expansion block is fixedly arranged on the top end face of the fixed heat conducting plate, a thermal induction push plate located on the upper side of the thermal expansion block is slidably arranged in the thermal induction cavity, a push plate spring fixedly connected with the top wall of the thermal induction cavity is fixedly arranged on the top end face of the thermal induction push plate, and the first pull rope is fixedly connected to the bottom end face of the thermal induction push plate.
3. The motor for preventing coil overload and guaranteeing normal operation as claimed in claim 1, wherein: the liquid cooling heat dissipation mechanism comprises a Stirling engine fixedly arranged in the heat dissipation working block, a bevel gear transmission cavity positioned on the right side of the Stirling engine is arranged in the heat dissipation working block, a power shaft extending rightwards is fixedly arranged on the end face of the right side of the Stirling engine, the power shaft penetrates through the left inner wall and the right inner wall of the bevel gear transmission cavity and is in running fit connection with the left inner wall and the right inner wall, a driving bevel gear is fixedly arranged on the part, extending into the bevel gear transmission cavity, of the power shaft, an upwards extending bevel gear shaft is rotatably arranged on the top wall in the bevel gear transmission cavity, a driven bevel gear meshed with the driving bevel gear is fixedly arranged on the bevel gear shaft, a liquid cooling heat dissipation fan is fixedly arranged on the part, extending upwards into the outside, of the Stirling engine cooling fins matched with the liquid cooling fan are fixedly, a heat conducting cavity communicated with the Stirling engine is arranged on the top wall in the magnetic induction cavity in a run-through manner, a fixed heat conducting block fixedly connected with the bottom end face of the Stirling engine is fixedly arranged in the heat conducting cavity, a movable heat conducting block positioned on the lower side of the fixed heat conducting block is arranged in the heat conducting cavity in a sliding manner, a convex block chute with a leftward opening is arranged on the inner wall on the left side of the heat conducting cavity, a convex block fixedly connected with the left end face of the movable heat conducting block is arranged in the convex block chute in a sliding manner, a convex block spring fixedly connected with the top wall in the convex block chute is fixedly arranged on the end face of the top of the convex block, a heat insulation plate chute with a leftward opening and cutting off the heat conducting cavity is arranged on the inner wall on the right side of the heat conducting cavity, the electromagnetic spring is electrically connected with a motor main power supply circuit, a fixture block sliding groove with an upward opening is formed in the inner bottom wall of the heat insulation plate sliding groove, a fixture block is arranged in the fixture block sliding groove in a sliding mode, a fixture block spring fixedly connected with the inner bottom wall of the fixture block sliding groove is fixedly arranged on the end face of the bottom of the fixture block, a second pull rope and the first pull rope are fixedly connected to the inner bottom wall of the fixture block sliding groove, are far away from the thermal inductance push plate and penetrate through the inner wall of the left side of the thermal inductance cavity and the other end.
4. The motor for preventing coil overload and guaranteeing normal operation as claimed in claim 1, wherein: the hydraulic pump that is located bevel gear transmission chamber right side is fixed to be equipped with in the heat dissipation work piece, the power shaft runs through hydraulic pump left side terminal surface and power fit with it is connected, the intercommunication has on the hydraulic pump right side terminal surface first pipeline is kept away from the other end in liquid cooling chamber, be fixed on the heat dissipation work piece top terminal surface be equipped with liquid cooling radiator fan matched with liquid circulation fin, the intercommunication has on the liquid circulation fin bottom terminal surface with the third pipeline of hydraulic pump right side terminal surface intercommunication and the second pipeline is kept away from the other end in liquid cooling chamber.
5. The motor for preventing coil overload and guaranteeing normal operation as claimed in claim 1, wherein: current detection mechanism includes the fixed judgement electro-magnet that is equipped with on the inner wall of magnet slider spout right side, judge the electro-magnet with the coil passes through the circuit electricity and connects, slide in the magnet slider spout be equipped with judge the electro-magnet complex magnet slider that repels mutually, fixed being equipped with on the magnet slider left side terminal surface with magnet slider spout left side inner wall fixed connection's magnet reset spring, fixedly connected with third stay cord on the magnet slider rear end terminal surface and keeping away from of second stay cord the fixture block just runs through diapire in the fixture block spout with the other end of magnet slider spout rear side inner wall.
6. The motor for preventing coil overload and guaranteeing normal operation as claimed in claim 1, wherein: fixedly connected with resistance strip on the roof in the conducting block spout, fixedly connected with on the resistance strip right side terminal surface with the first wire that the coil electricity is connected, slide in the conducting block spout be equipped with the conducting block of resistance strip looks butt, fixedly connected with on the conducting block right side terminal surface is connected with the second wire that the motor live wire is connected, fixedly on the conducting block spout left side inner wall be equipped with the conducting block is repulsive complex electro-magnet, fixedly connected with on the conducting block left side terminal surface the third stay cord is kept away from the magnet slider just link up magnet slider spout rear side inner wall with the other end of conducting block spout left side inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110026283.7A CN112542920B (en) | 2021-01-08 | 2021-01-08 | Motor for preventing coil overload and ensuring normal operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110026283.7A CN112542920B (en) | 2021-01-08 | 2021-01-08 | Motor for preventing coil overload and ensuring normal operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112542920A true CN112542920A (en) | 2021-03-23 |
| CN112542920B CN112542920B (en) | 2021-07-09 |
Family
ID=75017183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110026283.7A Active CN112542920B (en) | 2021-01-08 | 2021-01-08 | Motor for preventing coil overload and ensuring normal operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112542920B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728905A (en) * | 2009-12-14 | 2010-06-09 | 江苏航天动力机电有限公司 | Motor with bearing water cooling structure |
| CN102810943A (en) * | 2012-07-31 | 2012-12-05 | 联合汽车电子有限公司 | Cooling structure of inner rotor motor |
| CN103904828A (en) * | 2012-12-26 | 2014-07-02 | 何良智 | Heat pipe heat conducting type heat dissipating system for high-speed motor internally arranged in hub |
| CN106385158A (en) * | 2016-09-28 | 2017-02-08 | 北京理工大学 | Liquid-cooled voice coil motor active suspension |
| CN209375320U (en) * | 2019-01-26 | 2019-09-10 | 无锡市迅驰焊接设备制造有限公司 | A kind of servo motor water cooling plant |
| CN110808660A (en) * | 2019-12-20 | 2020-02-18 | 宁波仓央电子科技有限公司 | Motor overload overheat protection device |
| CN210350955U (en) * | 2019-09-26 | 2020-04-17 | 连云港韵至电子有限公司 | Liquid-cooled voice coil motor active suspension |
-
2021
- 2021-01-08 CN CN202110026283.7A patent/CN112542920B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728905A (en) * | 2009-12-14 | 2010-06-09 | 江苏航天动力机电有限公司 | Motor with bearing water cooling structure |
| CN102810943A (en) * | 2012-07-31 | 2012-12-05 | 联合汽车电子有限公司 | Cooling structure of inner rotor motor |
| CN103904828A (en) * | 2012-12-26 | 2014-07-02 | 何良智 | Heat pipe heat conducting type heat dissipating system for high-speed motor internally arranged in hub |
| CN106385158A (en) * | 2016-09-28 | 2017-02-08 | 北京理工大学 | Liquid-cooled voice coil motor active suspension |
| CN209375320U (en) * | 2019-01-26 | 2019-09-10 | 无锡市迅驰焊接设备制造有限公司 | A kind of servo motor water cooling plant |
| CN210350955U (en) * | 2019-09-26 | 2020-04-17 | 连云港韵至电子有限公司 | Liquid-cooled voice coil motor active suspension |
| CN110808660A (en) * | 2019-12-20 | 2020-02-18 | 宁波仓央电子科技有限公司 | Motor overload overheat protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112542920B (en) | 2021-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210468441U (en) | High-heat-dissipation high-voltage switch cabinet | |
| CN110808660B (en) | Motor overload overheat protection device | |
| CN1698251A (en) | Syncronous induction motor and electric hermetic compressor using the same | |
| KR20160110214A (en) | Compressor assembly structure | |
| CN210840503U (en) | Improved heat dissipation device for power controller | |
| CN110718358B (en) | Anti-creeping safe heat dissipation and insulation device for transformer box | |
| CN102739124A (en) | Drive device for single-phase series commutator motor | |
| CN110855065A (en) | High-efficient heat dissipation motor | |
| CN112542920B (en) | Motor for preventing coil overload and ensuring normal operation | |
| CN112630490A (en) | Ammeter and overload protection device for same | |
| CN111082601B (en) | Motor auxiliary device paying attention to heat dissipation | |
| CN111262159B (en) | Self-cooling device for distribution box | |
| KR100746208B1 (en) | Bldc motor apparatus with water cooling system | |
| CN111130255B (en) | Cooling and heat dissipation protection device for motor | |
| CN116455143A (en) | Noise-reducing water-cooled permanent magnet motor | |
| CN116435056A (en) | Detachable and heat-dissipation small transformer | |
| CN110957851B (en) | Emergency power-off brake motor | |
| CN110351903A (en) | A kind of reciprocating type aluminum alloy heater | |
| CN212277055U (en) | Internet of things breaker | |
| CN209200897U (en) | A kind of threephase asynchronous machine | |
| CN112117802A (en) | Power communication interface | |
| CN201283314Y (en) | Self-discharging type electric-magnetic iron remover with forced oil circulation | |
| CN105515278A (en) | Switch magnetic resistance motor with good heat dissipation | |
| CN212909188U (en) | High-power motor with powerful heat dissipation | |
| CN214314873U (en) | Combined motor heat dissipation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210625 Address after: 211200 No. 11 Chaxing Road, Baima Town, Lishui District, Nanjing City, Jiangsu Province Applicant after: Nanjing Kaiquan Motor Manufacturing Co.,Ltd. Address before: 201600 no.46-8, Guyang North Road, Songjiang District, Shanghai Applicant before: Shanghai maibin automotive products Co.,Ltd. |
|
| TA01 | Transfer of patent application right |