CN110808660A - Motor overload overheat protection device - Google Patents
Motor overload overheat protection device Download PDFInfo
- Publication number
- CN110808660A CN110808660A CN201911329919.4A CN201911329919A CN110808660A CN 110808660 A CN110808660 A CN 110808660A CN 201911329919 A CN201911329919 A CN 201911329919A CN 110808660 A CN110808660 A CN 110808660A
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- cavity
- conductor
- end wall
- overload
- moving
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims description 81
- 230000006698 induction Effects 0.000 claims description 46
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
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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
- H02H7/085—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
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses an overheat and overload motor protection device, which comprises a shell and is characterized in that: be equipped with overload protection device in the casing, overload protection device includes the electromagnetism chamber, the left side in electromagnetism chamber even is equipped with downwardly extending's fan chamber, the below in electromagnetism chamber is equipped with heat abstractor, heat abstractor is including being located fan chamber right side is right, the right-hand member wall of power has set firmly auxiliary motor, and this device simple structure, convenient operation is equipped with water cooling plant, heat abstractor and overload protection device respectively through the detection to motor temperature and load, can make at motor high temperature and reduce the temperature through the method of water cooling and fan, when the motor transships, can automatic cutout power, protection motor.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor overload and overheat protection device.
Background
In life and industry, motors are frequently used, the number of burnout scrapped motors is increased due to the wide application range of the motors, the problems can be caused by overheating or overload of the motors, the conventional protection measures are usually realized by adopting an air switch or a thermal relay with an overheating protection function, of course, a fuse can also play the same role, but the fuse needs to be replaced after playing a protection role, and the inconvenience is very high.
Disclosure of Invention
Aiming at the technical defects, the invention provides a motor overload and overheat protection device which can overcome the defects.
The invention relates to a motor overload and overheat protection device, which comprises a shell, wherein an overload protection device is arranged in the shell, the overload protection device comprises an electromagnetic cavity, the left side of the electromagnetic cavity is connected with a fan cavity extending downwards, a heat dissipation device is arranged below the electromagnetic cavity, the heat dissipation device comprises a power supply positioned on the right side of the fan cavity, an auxiliary motor is fixedly arranged on the right end wall of the power supply, a water cooling device is arranged below the heat dissipation device, the water cooling device comprises an induction cavity, the lower end wall of the induction cavity is communicated with a through groove extending downwards, the lower side of the through groove is communicated with a piston spring cavity extending left and right, the left side of the piston spring cavity is communicated with a water outlet pipe extending left and communicated with the left end surface of the shell, a thermal expansion cavity is arranged on the left side of the induction cavity, and a main motor positioned in the shell is, the left side intercommunication in fan chamber is equipped with and extends to the thermovent of casing left end face, be equipped with the overload spring chamber in the upper end wall in electromagnetism chamber, the lower terminal wall in electromagnetism chamber has set firmly conductor and has moved the shell, conductor moves the shell and includes the left side intercommunication the right conductor of conductor removal shell removes the chamber.
Preferably, be equipped with in the lower terminal wall in electromagnetism chamber and be located the magnet spring chamber on conductor removal shell right side, magnet spring chamber with slide between the power and be equipped with the first axis of rotation that extends from top to bottom, the up end fixedly connected with of first axis of rotation is located the magnet spring intracavity and with end wall sliding connection's response magnet about the magnet spring chamber, response magnet with fixedly connected with carriage release lever between the lower terminal surface in magnet spring chamber, fixedly connected with is located between the upper and lower terminal surface in electromagnetism chamber the circular telegram magnet of response magnet upside, circular telegram magnet is equipped with the electric wire around, be equipped with overload induction magnet in the overload spring intracavity and connect overload spring chamber with overload induction magnet's overload spring, right side conductor removal intracavity be equipped with rather than upper and lower end wall sliding connection's right side remove the conductor and be connected the right side remove the conductor with the right side conductor removes the right side conductor removal spring of chamber right end wall and removes the .
Preferably, the up end fixedly connected with of conductor removal shell transships the conductor, it is equipped with the electric wire to encircle around the conductor that transships, the left end fixedly connected with who transships response magnet is located the overload fixed block of electromagnetism intracavity, the left end fixedly connected with downwardly extending's of overload fixed block conductor baffle, the lower extreme of conductor baffle is the type of falling triangle, be equipped with in the left end wall in electromagnetism chamber and be located the conductor removes the left conductor removal chamber of shell, left side conductor removes the intracavity be equipped with rather than upper and lower end wall sliding connection's left side remove the conductor and connect left side remove the conductor with the left side conductor removal spring of left side conductor removal chamber left end wall, the left side of left side removal conductor sets firmly the electric wire of connecting main motor.
Preferably, a power supply is fixedly arranged on the upper end wall of the fan cavity, a second rotating shaft extending left and right is rotatably connected between the fan cavity and the power supply, a fan blade located in the fan cavity is fixedly arranged at the left end of the second rotating shaft, a first bevel gear located in the power supply is fixedly connected to the right end of the second rotating shaft, a second bevel gear located in the power supply and located on the right side of the first bevel gear is fixedly arranged at the bottom end of the first rotating shaft, a third rotating shaft extending left is dynamically connected to the left side of the auxiliary motor, a third bevel gear located on the right side of the second bevel gear is fixedly connected to the left end of the third rotating shaft, a thermal expansion block is arranged in the thermal expansion cavity, a guide block is fixedly arranged on the left side of the thermal expansion block, and a moving block slidably connected with the upper end wall and the lower end wall of the thermal expansion cavity is arranged, a moving block spring is fixedly connected between the right end face of the moving block and the right end wall of the thermal expansion cavity, and a push rod which extends leftwards into the induction cavity and is slidably connected with the shell is fixedly connected to the axis of the moving block.
Preferably, the bottom end wall of the piston spring cavity is provided with a water inlet cavity which is communicated with the position close to the left side and extends downwards to the lower end face of the shell, the lower side of the water inlet cavity is connected with a water pump, a water inlet piston which is connected with the upper end wall and the lower end wall of the piston spring cavity in a sliding manner is arranged in the piston spring cavity, a piston spring is fixedly connected between the right end face of the water inlet piston and the right end wall of the piston spring cavity, the upper end face of the water inlet piston is close to the right end position and fixedly connected with a fixing rod which extends upwards to penetrate through the through groove, the upper end face of the fixing rod extends into the induction cavity and is fixedly connected with the lower end face of the push rod, the right end of the push rod is fixedly connected with a conductive moving block, and the right end face.
Preferably, an electric socket at the right side of the electric plug is fixedly arranged in the right end wall of the induction cavity, a fixed block is fixedly arranged on the right end wall of the induction cavity, a first armature moving block is connected with the upper end surface of the fixed block and the upper end wall of the induction cavity in a sliding manner up to now, a first armature spring is fixedly connected between the right end surface of the first armature moving block and the right end wall of the induction cavity, a first armature contact positioned on the right side of the conductive electric shock on the upper side is fixedly arranged in the left end face of the first armature moving block, the lower end wall of the induction cavity is connected with a second armature moving block in a sliding way, a second armature spring is fixedly connected between the right end face of the second armature moving block and the right end of the induction cavity, a second armature contact positioned on the right side of the conductive contact at the lower side is fixedly arranged in the left end face of the second armature moving block, the second armature contact and the first armature contact are respectively connected with one end of a circumferential electric wire of an electrified magnet. .
The beneficial effects are that: the device is simple in structure and convenient to operate, the water cooling device, the heat dissipation device and the overload protection device are respectively arranged through the detection of the temperature and the load of the motor, the temperature can be reduced by a water cooling and fan method at the high temperature of the motor, and the power supply can be automatically cut off to protect the motor when the motor is overloaded.
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 overload and overheat protection device for a motor according to the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
fig. 3 is a schematic view of a portion of the structure of 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. 1-3, for the sake of convenience, the orientations described hereinafter being 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 invention relates to a motor overload and overheat protection device of a device, which comprises a shell 10, wherein an overload protection device 901 is arranged in the shell 10, the overload protection device 901 comprises an electromagnetic cavity 14, the left side of the electromagnetic cavity 14 is connected with a fan cavity 62 extending downwards, a heat dissipation device 902 is arranged below the electromagnetic cavity 14, the heat dissipation device 902 comprises a power supply 15 opposite to the right side of the fan cavity 62, an auxiliary motor 16 is fixedly arranged on the right end wall of the power supply 15, a water cooling device 903 is arranged below the heat dissipation device 902, the water cooling device 903 comprises an induction cavity 23, the lower end wall of the induction cavity 23 is communicated with a through groove 63 extending downwards, the lower side of the through groove 63 is communicated with a piston spring cavity 25 extending leftwards and rightwards, the left side of the piston spring cavity 25 is communicated with a water outlet pipe 30 extending leftwards and communicated with the left end surface of the shell 10, and a thermal expansion cavity 66 is arranged, the left side in thermal expansion chamber 66 sets firmly be located main motor 31 in the casing 10, the left side intercommunication in fan chamber 62 is equipped with and extends to the thermovent 32 of casing 10 left end face, be equipped with overload spring chamber 11 in the upper end wall in electromagnetism chamber 14, the lower terminal wall in electromagnetism chamber 14 sets firmly conductor removal shell 37, conductor removal shell 37 includes the left side intercommunication right conductor removal chamber 42 of conductor removal shell 37.
Beneficially, a magnet spring cavity 18 located on the right side of the conductor moving shell 37 is arranged in the lower end wall of the electromagnetic cavity 14, a first rotating shaft 50 extending up and down is slidably arranged between the magnet spring cavity 18 and the power supply 15, an induction magnet 17 located in the magnet spring cavity 18 and slidably connected with the left end wall and the right end wall of the magnet spring cavity 18 is fixedly connected to the upper end face of the first rotating shaft 50, a moving rod 19 is fixedly connected between the induction magnet 17 and the lower end face of the magnet spring cavity 18, an electrified magnet 13 located on the upper side of the induction magnet 17 is fixedly connected between the upper end face and the lower end face of the electromagnetic cavity 14, electric wires are arranged around the electrified magnet 13, an overload induction magnet 47 and an overload spring 12 connecting the overload spring cavity 11 and the overload induction magnet 47 are arranged in the overload spring cavity 11, a right moving conductor 41 slidably connected with the upper end wall and the lower end wall of the right conductor moving cavity 42 and a right moving conductor 41 and a right conductor moving spring 43 for moving the conductor 41 and the right end wall of the right conductor moving chamber 42.
Advantageously, an overload conductor 36 is fixedly connected to an upper end surface of the conductor moving casing 37, an electric wire is arranged around the overload conductor 36, an overload fixing block 46 located in the electromagnetic cavity 14 is fixedly connected to a left end surface of the overload induction magnet 47, a downwardly extending conductor baffle 44 is fixedly connected to a left end surface of the overload fixing block 46, a lower end of the conductor baffle 44 is in an inverted triangle shape, a left conductor moving cavity 38 located at the left side of the conductor moving casing 37 is arranged in a left end wall of the electromagnetic cavity 14, a left moving conductor 40 slidably connected to upper and lower end walls of the left conductor moving cavity 38 and a left conductor moving spring 39 connecting the left moving conductor 40 and the left end wall of the left conductor moving cavity 38 are arranged in the left conductor moving cavity 38, an electric wire connected to the main motor 31 is fixedly arranged at the left side of the left moving conductor 40, a slider groove 72 communicated with a front end surface of the electromagnetic cavity 14 is arranged in the left end wall of the, a slide block 73 is connected in the slide block groove 72 in a sliding manner, a right ratchet 75 is fixedly arranged on the left end surface of the conductor baffle 44, and a left ratchet 74 is fixedly arranged on the right end surface of the slide block 73.
Advantageously, a power supply 15 is fixedly arranged on the upper end wall of the fan cavity 62, a second rotating shaft 34 extending left and right is rotatably connected between the fan cavity 62 and the power supply 15, a fan blade 33 positioned in the fan cavity 62 is fixedly arranged at the left end of the second rotating shaft 34, a first bevel gear 52 positioned in the power supply 15 is fixedly connected to the right end of the second rotating shaft 34, a second bevel gear 51 positioned in the power supply 15 and positioned at the right side of the first bevel gear 52 is fixedly arranged at the bottom end of the first rotating shaft 50, a third rotating shaft 20 extending left is dynamically connected to the left side of the auxiliary motor 16, a third bevel gear 21 positioned at the right side of the second bevel gear 51 is fixedly connected to the left end of the third rotating shaft 20, a thermal expansion block 49 is arranged in the thermal expansion cavity 66, and a thermal conduction block 48 is fixedly arranged at the left side of the thermal expansion block 49, a moving block 54 slidably connected with the upper and lower end walls of the thermal expansion cavity 66 is arranged on the right side of the thermal expansion block 49, a moving block spring 55 is fixedly connected between the right end surface of the moving block 54 and the right end wall of the thermal expansion cavity 66, and a push rod 64 which extends leftwards into the induction cavity 23 and is slidably connected with the housing 10 is fixedly connected to the axis of the moving block 54.
Advantageously, the bottom end wall of the piston spring chamber 25 is communicated with a water inlet chamber 27 extending downwards to the lower end surface of the shell 10 at a position close to the left side, the lower side of the water inlet cavity 27 is connected with a water pump 28, a water inlet piston 29 which is connected with the upper end wall and the lower end wall of the piston spring cavity 25 in a sliding way is arranged in the piston spring cavity 25, a piston spring 26 is fixedly connected between the right end surface of the water inlet piston 29 and the right end wall of the piston spring cavity 25, a fixing rod 65 extending upwards and penetrating through the through groove 63 is fixedly connected to the upper end surface of the water inlet piston 29 near the right side, the upper end surface of the fixing rod 65 extends into the sensing cavity 23 and is fixedly connected with the lower end surface of the push rod 64, the right end of the push rod 64 is fixedly connected with a conductive moving block 59, the right end face of the conductive moving block 59 is fixed with an electric plug 22 and two conductive contacts 60, and the two conductive contacts 60 are symmetrically arranged about the electric plug 22.
Beneficially, an electrical socket 53 located at the right side of the electrical plug 22 is fixedly arranged in the right end wall of the induction cavity 23, a fixed block 58 is fixedly arranged in the right end wall of the induction cavity 23, an upper end face of the fixed block 58 and an upper end wall of the induction cavity 23 are connected with a first armature moving block 61 in a sliding manner, a first armature spring 57 is fixedly connected between a right end face of the first armature moving block 61 and the right end wall of the induction cavity 23, a first armature contact 67 located at the right side of the upper conductive contact 60 is fixedly arranged in a left end face of the first armature moving block 61, a second armature moving block 24 is connected with the lower end wall of the induction cavity 23 in a sliding manner, a second armature spring 68 is fixedly connected between a right end face of the second armature moving block 24 and the right end of the induction cavity 23, and a second armature contact 69 located at the right side of the lower conductive contact 60 is fixedly arranged in a left end face of the, the second armature contact 69 and the first armature contact 67 are each connected to one end of the current carrying magnet 13 circumferentially around the wire.
In the initial state, the overload spring 12 is in a natural stretching state, the overload induction magnet 47 is in an upper limit position, the moving rod 19 is in a natural compressing state, the induction magnet 17 goes out of the upper limit position, the second bevel gear 51 is disengaged from the first bevel gear 52 and the third bevel gear 21, the moving block 54 is in a left limit position, and the electric plug 22 is disengaged from the electric socket 53;
when the electric plug 22 enters the electric socket 53, the water pump 28 works to cool the main motor 31 by water cooling, and the temperature of the main motor 31 is increased by the temperature of the heat transfer block 48 entering the heat expansion block 49, and the volume of the heat expansion block 49 is increased to drive the moving block 54 to move rightwards, the push rod 64 drives the conductive moving block 59 to move rightwards, the push rod 64 drives the water inlet piston 29 to move rightwards through the fixing rod 65, so that the water inlet cavity 27 is communicated with the water outlet pipe 30.
When the conductive contact 60 contacts the second armature contact 69 and the first armature contact 67, the conductor around the energized magnet 13 is energized to generate magnetic force, the inductive magnet 17 moves downward to make the second bevel gear 51 contact the third bevel gear 21 and the first bevel gear 52, at this time, the motor is started, the third rotating shaft 20 rotates to drive the third bevel gear 21 to rotate, the first bevel gear 52 is driven to rotate through the second bevel gear 51, the first bevel gear 52 drives the fan blade 33 to rotate through the second rotating shaft 34, and the heat of the main motor 31 is exhausted in an accelerated manner.
When the working load of the motor is overlarge, the current of the wire around the overload conductor 36 is overlarge, so that the attraction between the overload conductor 36 and the overload induction magnet 47 is increased, the overload fixing block 46 and the conductor baffle 44 are driven to descend, the left moving conductor 40 is separated from the right moving conductor 41, the motor stops running, under the action of 74 and 75, the 44 keeps the original position, 73 is pulled forwards manually, and the left moving conductor 40 is contacted with the right moving conductor 41 again under the action of 12.
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 (6)
1. The utility model provides a motor overload overheat protection device, includes the casing, its characterized in that: the shell is internally provided with an overload protection device which comprises an electromagnetic cavity, the left side of the electromagnetic cavity is provided with a fan cavity extending downwards, the lower side of the electromagnetic cavity is provided with a heat dissipation device which comprises a right power positioned on the right side of the fan cavity, the right end wall of the power is provided with an auxiliary motor, the lower side of the heat dissipation device is provided with a water cooling device, the water cooling device comprises an induction cavity, the lower end wall of the induction cavity is communicated with a through groove extending downwards, the lower side of the through groove is communicated with a piston spring cavity extending leftwards and rightwards, the left side of the piston spring cavity is communicated with a water outlet pipe extending leftwards and communicated with the left end surface of the shell, the left side of the induction cavity is provided with a thermal expansion cavity, the left side of the thermal expansion cavity is provided with a main motor positioned in the shell, the left side of the fan cavity is communicated with a, the electromagnetic cavity is characterized in that an overload spring cavity is arranged in the upper end wall of the electromagnetic cavity, a conductor moving shell is fixedly arranged on the lower end wall of the electromagnetic cavity, and the conductor moving shell comprises a right conductor moving cavity communicated with the left side of the conductor moving shell.
2. The overheat and overload motor protection device according to claim 1, wherein: a magnet spring cavity positioned on the right side of the conductor moving shell is arranged in the lower end wall of the electromagnetic cavity, a first rotating shaft extending up and down is arranged between the magnet spring cavity and the power supply in a sliding manner, the upper end surface of the first rotating shaft is fixedly connected with an induction magnet which is positioned in the magnet spring cavity and is in sliding connection with the left end wall and the right end wall of the magnet spring cavity, a moving rod is fixedly connected between the induction magnet and the lower end surface of the magnet spring cavity, an electrified magnet positioned on the upper side of the induction magnet is fixedly connected between the upper end surface and the lower end surface of the electromagnetic cavity, electric wires are arranged around the electrified magnet, an overload induction magnet and an overload spring which is connected with the overload induction magnet are arranged in the overload spring cavity, and a right moving conductor in sliding connection with the upper end wall and the lower end wall of the right conductor moving cavity and a right conductor moving spring connected with the right moving conductor and the right end wall of the right conductor moving cavity are arranged in the right conductor moving cavity.
3. The overheat and overload motor protection device according to claim 1, wherein: the up end fixedly connected with of conductor removal shell transships the conductor, it is equipped with the electric wire to transship around the conductor, the left end face fixedly connected with who transships response magnet is located overload fixed block in the electromagnetism intracavity, the left end face fixedly connected with downwardly extending's of overload fixed block conductor baffle, the lower extreme of conductor baffle is the type of falling triangle, be equipped with in the left end wall in electromagnetism chamber and be located the conductor removes the left conductor removal chamber of shell, the left side conductor removes the intracavity be equipped with rather than upper and lower end wall sliding connection's left side remove the conductor and connect the left side remove the conductor with the left side conductor removal spring of left side conductor removal chamber left end wall, the left side of removing the conductor sets firmly the electric wire of connecting main motor in the left side.
4. The overheat and overload motor protection device according to claim 1, wherein: a power supply is fixedly arranged on the upper end wall of the fan cavity, a second rotating shaft extending leftwards and rightwards is rotatably connected between the fan cavity and the power supply, a fan blade positioned in the fan cavity is fixedly arranged at the tail end of the left side of the second rotating shaft, a first bevel gear positioned in the power supply is fixedly connected at the tail end of the right side of the second rotating shaft, a second bevel gear positioned in the power supply and positioned on the right side of the first bevel gear is fixedly arranged at the tail end of the bottom of the first rotating shaft, a third rotating shaft extending leftwards is dynamically connected to the left side of the auxiliary motor, a third bevel gear positioned on the right side of the second bevel gear is fixedly connected at the tail end of the left side of the third rotating shaft, a thermal expansion block is arranged in the thermal expansion cavity, a thermal conduction block is fixedly arranged on the left side of the thermal expansion block, and a moving, a moving block spring is fixedly connected between the right end face of the moving block and the right end wall of the thermal expansion cavity, and a push rod which extends leftwards into the induction cavity and is slidably connected with the shell is fixedly connected to the axis of the moving block.
5. The overheat and overload motor protection device according to claim 1, wherein: the bottom wall in piston spring chamber is close to left side position intercommunication and is equipped with downwardly extending to the intake antrum of terminal surface under the casing, the downside in intake antrum is connected with the water pump, be equipped with in the piston spring chamber rather than upper and lower end wall sliding connection's the piston of intaking, the right-hand member face of the piston of intaking with fixedly connected with piston spring between the right-hand member wall in piston spring chamber, the up end of the piston of intaking is close to right side position fixedly connected with and upwards extends and link up the dead lever of logical groove, the up end of dead lever extends to in the response intracavity and with the lower terminal surface fixed connection of push rod, the terminal fixedly connected with electric conduction movable block in right side of push rod, the right-hand member face of electric conduction movable block is fixed with electric plug and two electric conduction electric shock and two the electric conduction.
6. The overheat and overload motor protection device according to claim 1, wherein: an electric socket positioned on the right side of the electric plug is fixedly arranged in the right end wall of the induction cavity, a fixed block is fixedly arranged on the right end wall of the induction cavity, the upper end surface of the fixed block and the upper end wall of the induction cavity are connected with a first armature moving block in a sliding way up to now, a first armature spring is fixedly connected between the right end surface of the first armature moving block and the right end wall of the induction cavity, a first armature contact positioned on the right side of the conductive electric shock on the upper side is fixedly arranged in the left end face of the first armature moving block, the lower end wall of the induction cavity is connected with a second armature moving block in a sliding way, a second armature spring is fixedly connected between the right end face of the second armature moving block and the right end of the induction cavity, a second armature contact positioned on the right side of the conductive contact at the lower side is fixedly arranged in the left end face of the second armature moving block, the second armature contact and the first armature contact are respectively connected with one end of a circumferential electric wire of an electrified magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329919.4A CN110808660B (en) | 2019-12-20 | 2019-12-20 | Motor overload overheat protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329919.4A CN110808660B (en) | 2019-12-20 | 2019-12-20 | Motor overload overheat protection device |
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| CN110808660A true CN110808660A (en) | 2020-02-18 |
| CN110808660B CN110808660B (en) | 2020-12-08 |
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| CN111775321A (en) * | 2020-07-10 | 2020-10-16 | 河北建筑工程学院 | Indoor mixer of material is stabilized to multi-functional inorganic binder |
| CN111864956A (en) * | 2020-07-30 | 2020-10-30 | 缙云叶普电子科技有限公司 | Fixed mounting base capable of detecting abnormal power failure of motor |
| CN111946964A (en) * | 2020-08-18 | 2020-11-17 | 宁波仓央电子科技有限公司 | Stably be fixed in camera support on mud ground |
| CN112103908A (en) * | 2020-11-09 | 2020-12-18 | 南京合信自动化有限公司 | Overload protection circuit device of heavy industry robot |
| CN112186942A (en) * | 2020-10-13 | 2021-01-05 | 东阳悟伦电子科技有限公司 | Motor capable of preventing overheating and electric leakage |
| CN112542920A (en) * | 2021-01-08 | 2021-03-23 | 上海麦斌汽车用品有限公司 | Motor for preventing coil overload and ensuring normal operation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040042136A1 (en) * | 2002-09-04 | 2004-03-04 | Kuo Kuei Wei | Motor control device having temperature protection function |
| CN203562764U (en) * | 2013-11-27 | 2014-04-23 | 广州御银先端电子科技有限公司 | Motor overload and overheat protection device for sorter |
| CN206865303U (en) * | 2017-04-21 | 2018-01-09 | 安捷励电控技术南京有限公司 | A kind of electric machine radiator of new-energy automobile |
| CN109290558A (en) * | 2018-11-20 | 2019-02-01 | 诸葛秋晨 | It is a kind of for carrying the equipment and its application method of casting mold |
| CN110259713A (en) * | 2019-06-17 | 2019-09-20 | 义乌纹挺新能源科技有限公司 | A kind of magnetic suspension air blower and ventilating system |
-
2019
- 2019-12-20 CN CN201911329919.4A patent/CN110808660B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040042136A1 (en) * | 2002-09-04 | 2004-03-04 | Kuo Kuei Wei | Motor control device having temperature protection function |
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Effective date of registration: 20201120 Address after: Wenling City Wen Jiao Zhenjiang Xia Village in Taizhou City, Zhejiang province 317500 Applicant after: Wenling Weifeng electromechanical Co.,Ltd. Address before: 315100 room 401-1, floor 4, building 3, No. 44, Baizhang East Road, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Ningbo cangyang Electronic Technology Co.,Ltd. |
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Denomination of invention: A motor overload and overheating protection device Effective date of registration: 20231022 Granted publication date: 20201208 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: Wenling Weifeng electromechanical Co.,Ltd. Registration number: Y2023330002409 |