CN111725940B - Comprehensive protection device and system for motor - Google Patents

Comprehensive protection device and system for motor Download PDF

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Publication number
CN111725940B
CN111725940B CN202010622656.2A CN202010622656A CN111725940B CN 111725940 B CN111725940 B CN 111725940B CN 202010622656 A CN202010622656 A CN 202010622656A CN 111725940 B CN111725940 B CN 111725940B
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CN
China
Prior art keywords
motor
module
shell
protection
electrically
Prior art date
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Application number
CN202010622656.2A
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Chinese (zh)
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CN111725940A (en
Inventor
叶明锋
户月高
钟林杰
叶小虎
叶小龙
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Wuhan Huazi Sunshine Technology Co ltd
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Wuhan Huazi Sunshine Technology Co ltd
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Priority to CN202010622656.2A priority Critical patent/CN111725940B/en
Publication of CN111725940A publication Critical patent/CN111725940A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets, or pads having plane surfaces, i.e. axial filtering
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/08Emergency 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
    • H02H7/085Emergency 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
    • H02H7/0852Emergency 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 directly responsive to abnormal temperature by using a temperature sensor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25Devices for sensing temperature, or actuated thereby
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/26Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters

Abstract

The invention discloses a comprehensive protection device and a comprehensive protection system for a motor, which belong to the technical field of comprehensive protection of the motor and comprise a shell, wherein a control panel is arranged on the upper surface of the shell, the lower surface of the inner wall of the shell is fixedly connected with the motor, the outer surface of the right side output end of the motor is provided with fan blades, the fan blades are positioned in an interlayer, the interlayer is arranged on the right side surface of the shell, temperature sensing equipment is arranged on the upper surface of the inner wall of the shell and the upper surface of the shell, and the upper surface and the left side surface of the shell are respectively and movably connected with the left side surfaces and the upper surfaces of a plurality of baffles through pin shafts. This motor integrated protection device and system through setting up motor, flabellum, intermediate layer, gas tank, through-hole and baffle for the motor is difficult for appearing the condition of breaking or damaging because of the high temperature, the effectual life who ensures the motor, and is difficult for injuring nearby staff because of high temperature and piece when the motor damages.

Description

Comprehensive protection device and system for motor
Technical Field
The invention belongs to the technical field of comprehensive protection of motors, and particularly relates to a comprehensive protection device and system for a motor.
Background
The motor is represented by a letter M in a circuit, the main function of the motor is to generate driving torque which is used as a power source of electrical appliances or various machines, the generator is represented by a letter G in the circuit, the main function of the generator is to convert mechanical energy into electric energy, at present, because the motor is gradually upgraded, the power of the motor is gradually increased, when a worker starts and operates the motor, the motor can generate the situation that the heat is rapidly increased along with the increase of the rotating speed of a rotor, at the moment, the motor is easy to generate the overheating situation, and when the motor is in the overheating state, the motor is easy to generate the situations of short circuit, rupture and even burnout, thereby not only increasing the possibility of motor damage, but also easily causing injury to nearby workers.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the invention provides a comprehensive protection device and a comprehensive protection system for a motor, which solve the problems that when the motor operates, the motor can generate rapid heat rise along with the increase of the rotation speed of a rotor, the motor is easy to overheat at the moment, and when the motor is in an overheat state, the motor is easy to generate short circuit, rupture or even burn, so that the possibility of motor damage is increased, and workers nearby are easy to be injured.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a motor integrated protection device, includes the casing, the casing upper surface is provided with control panel, shells inner wall's lower fixed surface is connected with the motor, the surface of motor right side output is provided with the flabellum, the flabellum is located the intermediate layer, the right flank at the casing is seted up to the intermediate layer, shells inner wall's upper surface and the upper surface of casing all are provided with temperature-sensing equipment, the upper surface and the left surface of casing respectively with through the round pin axle respectively with the left surface and the upper surface swing joint of a plurality of baffle, the left output of motor is adjusted in the bearing, the bearing joint is in the casing, a plurality of through-hole has all been seted up to shells inner wall's upper surface and left surface, the intermediate layer is linked together with the through-hole, the position of through-hole is corresponding with the position of baffle.
The right flank of intermediate layer inner wall and the left end of blast pipe communicate, the bottom of blast pipe is linked together with the top of connecting pipe, the other end of connecting pipe is linked together with the right flank of rose box, the left one end of rose box is linked together with the gas tank, the front and the back of gas tank inner wall are linked together, four with the one end of four inflator opposite faces respectively equal sliding connection has the bracing piece in the inflator, corresponds the equal fixedly connected with guard plate of one end that two bracing pieces kept away from mutually, the ventilation hole has been seted up to the surface of inflator, the inlet port has been seted up in shells inner wall's front.
As a further scheme of the invention: the upper surface of the air box is fixedly connected with the lower surface of the shell through a fixing rod.
As a further scheme of the invention: the lower surfaces of the filter box and the air box are fixedly connected with the upper surface of the bottom plate, and the front surface of the filter box is movably connected with the left side surface of the door plate through a hinge.
As a further aspect of the invention; the utility model provides a motor integrated protection system, control panel includes control module, control module passes through the wire and is connected with the settlement module electricity, the settlement module passes through the wire respectively with singly open the module and two module electricity connection of opening, singly open the module and two module electricity of opening pass through the wire and are connected with inside temperature detection module and outside temperature detection module electricity, inside temperature detection module and outside temperature detection module pass through the wire and are connected with same contrast module electricity, contrast module passes through the wire and is connected with the protection module electricity, the protection module passes through the wire and is connected with the fast module electricity of accuse.
As a further scheme of the invention: the single-opening module comprises a left single-opening button and a right single-opening button, the left single-opening button is electrically connected with the left output end of the motor through a wire, and the right single-opening button is electrically connected with the right output end of the motor through a wire.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. this motor integrated protection device and system, through setting up the motor, the flabellum, the intermediate layer, the through-hole, the gas tank, through-hole and baffle, when this protection device detected the inside temperature of casing and exceeded the temperature that the staff set for through setting for the module, the output on motor right side will start under protection module's effect, the flabellum will be taken out shells inner wall's air fast under the drive of motor, heat in the casing will be in getting into the blast pipe through the through-hole this moment, external air will get into the casing through the intake pipe this moment, thereby reduce the inside temperature of casing, make the motor be difficult for appearing the condition of breaking or damaging because of the high temperature, the effectual life who has ensured the motor, and be difficult for because of high temperature and debris when the motor damages staff near.
2. This motor integrated protection device and system, set for the module through the setting, protection module and accuse quick module, when the high temperature that detects the casing, protection module will carry out the drive shaft on forced start motor right side when feeding back to the accuse quick module, it is rotatory to make the drive shaft drive the flabellum, make the rotational speed that the accuse quick module forces to reduce the motor, or close the motor, the effectual motor of having ensured is difficult to damage because of motor temperature is too high, and when the long-time inside not decline condition of temperature of casing appears, protection module will directly close the operation of motor through control module, and feed back the staff on control panel.
3. This motor integrated protection device and system through setting up round pin axle and baffle, when the motor did not drive the flabellum rotatory, the baffle will seal the casing under the circumstances of self gravity for in the difficult entering casing of external air, reduced the motor because of the dust entering too much the condition that appears damaging.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the present invention;
FIG. 2 is a schematic cross-sectional view of a filter box according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at A;
FIG. 4 is a schematic top view of the cartridge of the present invention;
FIG. 5 is a schematic diagram of the system of the present invention;
in the figure: the air purifier comprises a shell 1, a control panel 2, a motor 3, fan blades 4, an interlayer 5, a temperature sensing device 6, a through hole 7, a baffle 8, a bearing 9, an exhaust pipe 10, a connecting pipe 11, a protective plate 12, a filter box 13, an air box 14, an air cylinder 15, a support rod 16, a fixing rod 17, a bottom plate 18, a door plate 19, a limiting block 20 and a filter plate 21.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 5, the present invention provides a technical solution: a comprehensive protection device and a system for a motor comprise a shell 1, wherein a control panel 2 is arranged on the upper surface of the shell 1, a motor 3 is fixedly connected to the lower surface of the inner wall of the shell 1, fan blades 4 are arranged on the outer surface of the right output end of the motor 3, the fan blades 4 are positioned in an interlayer 5, the interlayer 5 is arranged on the right side surface of the shell 1, temperature sensing equipment 6 is respectively arranged on the upper surface of the inner wall of the shell 1 and the upper surface of the shell 1, a plurality of through holes 7 are respectively arranged on the upper surface and the left side surface of the inner wall of the shell 1, the upper surface and the left side surface of the shell 1 are respectively movably connected with the left side surface and the upper surface of a plurality of baffles 8 through pin shafts, the interlayer 5 is communicated with the through holes 7, the left output end of the motor 3 is regulated in a bearing 9, the bearing 9 is clamped in the shell 1, the right side surface of the inner wall of the interlayer 5 is communicated with the left end of an exhaust pipe 10, the bottom end of the exhaust pipe 10 is communicated with the top end of a connecting pipe 11, the other end of connecting pipe 11 is linked together with the right flank of rose box 13, through setting up motor 3, gas tank 14, through-hole 7 and baffle 8 for the condition of rupture or damage appears in the difficult high temperature of motor 3, the effectual life who ensures motor 3, and be difficult for injuring nearby staff because of high temperature and piece when motor 3 damages.
Specifically, as shown in fig. 5, the device comprises a control panel 2, the control panel 2 comprises a control module, the control module is electrically connected with a setting module through a wire, the setting module is electrically connected with a single-opening module and a double-opening module through wires, the single-opening module and the double-opening module are electrically connected with an internal temperature detection module and an external temperature detection module through wires, the internal temperature detection module and the external temperature detection module are arranged, so that comparison through the outside inside of a shell 1 can be easily and conveniently carried out, whether ventilation is needed or not can be detected, when the outside air temperature is lower than the temperature in the shell 1, the temperature in the shell 1 can be effectively reduced, the internal temperature detection module and the external temperature detection module are electrically connected with the same comparison module through wires, the comparison module is electrically connected with a protection module through wires, and the speed control module is arranged, when the motor 3 reaches the set temperature, the speed control module will reduce the rotating speed of the motor 3, and after the rotating speed is reduced to start the fan blades 4, if the temperature inside the casing 1 does not show a drop, the protection module stops the operation of the motor 3, thereby ensuring the service life of the motor 3, the protection module is electrically connected with the speed control module through a lead, the single-open module comprises a left single-open button and a right single-open button, the left single-open button is electrically connected with the output end on the left side of the motor 3 through a lead, the right single-open button is electrically connected with the output end on the right side of the motor 3 through a lead, and the motor 3 is effectively ensured not to be damaged easily due to overhigh temperature of the motor 3 because of the arrangement of the setting module, the protection module and the speed control module, and when the temperature in the shell 1 does not drop for a long time, the protection module can directly close the operation of the motor 3 through the control module and feed back the staff on the control panel 2.
Specifically, as shown in fig. 1-4, one end of the left side of the filter box 13 is communicated with the air box 14, the front and back of the inner wall of the air box 14 are respectively communicated with one end of the opposite surfaces of the four air cylinders 15, the four air cylinders 15 are all connected with the support rods 16 in a sliding manner, due to the support rods 16, a worker can support the protection plate 12 by pressing the support rods 16 in the air cylinders 15 through air, so as to reduce the impact force when an external object impacts the protection plate 12, the protection plate 12 is fixedly connected to the end far away from the two support rods 16, the outer surface of the air cylinders 15 is provided with vent holes, the positions of the vent holes correspond to the positions of the baffle plates, due to the vent holes, when the air is moved to one end of the air cylinders 15 by pressing the support rods 16, the air can be discharged along the vent holes, so that the air in the air cylinders 15 is not easily damaged due to excessive accumulation, the inlet port has been seted up in the front of casing 1 inner wall, the upper surface of air box 14 passes through dead lever 17 and casing 1's lower fixed surface and is connected, the lower surface of rose box 13 and air box 14 all is connected with the upper fixed surface of bottom plate 18, because of being provided with door plant 19, make the staff only need overturn door plant 19 just can clear up the dust and debris in the rose box 13, the front of rose box 13 passes through the left surface swing joint of hinge and door plant 19, the left surface of rose box 13 inner wall is provided with filter 21, because of being provided with filter 21, make the difficult direct emission of dust debris in the 1 inside air of casing to the external world, thereby the destruction of this protection device to external environment has been reduced, the last fixed surface of intermediate layer 5 inner wall is connected with a plurality of stopper 20.
The working principle of the invention is as follows:
s1, when the protection device is used, when a worker needs to start the motor 3, the worker only needs to set the motor 3 through the control panel 2, the worker only needs to set the preset temperature of the motor 3 through the setting module, the worker can start the double-opening module or adjust the single-opening module, the protection device can detect the outside temperature and the temperature inside the shell 1 through the two temperature sensing devices 6, then the temperature is collected through the inside temperature detection module and the outside temperature detection module, then the temperature difference inside and outside the shell 1 is compared through the comparison module, when the temperature of the shell 1 is detected to be overhigh, the protection module can feed back the speed control module and forcibly start the driving shaft on the right side of the motor 3, so that the driving shaft drives the fan blades 4 to rotate, and the speed control module forcibly reduces the rotating speed of the motor 3, or the motor 3 is switched off;
s2, when the protection device detects that the temperature inside the shell 1 exceeds the temperature set by a worker through a setting module, the output end on the right side of the motor 3 is started under the action of the protection module, the fan blades 4 are driven by the motor 3 to rapidly extract air on the inner wall of the shell 1, at the moment, heat in the shell 1 enters the exhaust pipe 10 through the through hole 7 and then is exhausted into the air box 14 through the filter box 13 of the filter box 13, and at the moment, the air in the air box 14 is blown to the air cylinder 15, so that the two corresponding support rods 16 move in the reverse direction, and the two protection plates 12 are supported to move in the reverse direction;
s3, when the outside people carelessly collide with the shell 1 or the protection plate 12, the protection plate 12 moves towards the shell 1 under the action of external pressure, at the moment, the fan blades 4 continuously discharge air into the air box 14, so that the support rod 16 continuously extrudes the protection plate 12, the impact force generated when the external pressure contacts the protection plate 12 is reduced, and the protection plate 12 is reset under the action of wind force.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (6)

1. An electric motor integrated protection device, includes casing (1), its characterized in that: the temperature control device is characterized in that a control panel (2) is arranged on the upper surface of the shell (1), a motor (3) is fixedly connected to the lower surface of the inner wall of the shell (1), fan blades (4) are arranged on the outer surface of the right side output end of the motor (3), the fan blades (4) are located in an interlayer (5), the interlayer (5) is arranged on the right side surface of the shell (1), temperature sensing equipment (6) is arranged on the upper surface of the inner wall of the shell (1) and the upper surface of the shell (1), the upper surface and the left side surface of the shell (1) are movably connected with the left side surface and the upper surface of a plurality of baffles (8) through pin shafts respectively, the left output end of the motor (3) is adjusted in a bearing (9), the bearing (9) is clamped in the shell (1), and a plurality of through holes (7) are formed in the upper surface and the left side surface of the inner wall of the shell (1), the interlayer (5) is communicated with the through hole (7), and the position of the through hole (7) corresponds to the position of the baffle (8);
the right flank of intermediate layer (5) inner wall and the left end of blast pipe (10) communicate, the bottom of blast pipe (10) is linked together with the top of connecting pipe (11), the other end of connecting pipe (11) is linked together with the right flank of rose box (13), the left one end of rose box (13) is linked together with air tank (14), the front and the back of air tank (14) inner wall are linked together, four with the one end of four inflator (15) opposite faces respectively equal sliding connection has bracing piece (16) in inflator (15), corresponds the equal fixedly connected with guard plate (12) of one end that two bracing pieces (16) kept away from mutually, the ventilation hole has been seted up to the surface of inflator (15), the inlet port has been seted up in the front of casing (1) inner wall.
2. The integrated motor protection device according to claim 1, wherein: the upper surface of the air box (14) is fixedly connected with the lower surface of the shell (1) through a fixing rod (17).
3. The integrated motor protection device according to claim 2, wherein: the lower surfaces of the filter box (13) and the air box (14) are fixedly connected with the upper surface of the bottom plate (18), and the front surface of the filter box (13) is movably connected with the left side surface of the door plate (19) through a hinge.
4. A comprehensive motor protection device according to claim 3, characterized in that: the left side face of rose box (13) inner wall is provided with filter (21), the last fixed surface of intermediate layer (5) inner wall is connected with a plurality of stopper (20).
5. An integrated protection system for motor, comprising an integrated protection device for motor as claimed in any one of claims 1 to 4, wherein the control panel (2) comprises a control module, the control module is electrically connected with a setting module through a wire, the setting module is electrically connected with a single-open module and a double-open module through wires, the single-open module and the double-open module are electrically connected with an internal temperature detection module and an external temperature detection module through wires, the internal temperature detection module and the external temperature detection module are electrically connected with a same comparison module through wires, the comparison module is electrically connected with a protection module through wires, and the protection module is electrically connected with a speed control module through wires.
6. An integrated motor protection system according to claim 5, wherein: the single-opening module comprises a left single-opening button and a right single-opening button, the left single-opening button is electrically connected with the left output end of the motor (3) through a wire, and the right single-opening button is electrically connected with the right output end of the motor (3) through a wire.
CN202010622656.2A 2020-07-01 2020-07-01 Comprehensive protection device and system for motor Active CN111725940B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010622656.2A CN111725940B (en) 2020-07-01 2020-07-01 Comprehensive protection device and system for motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010622656.2A CN111725940B (en) 2020-07-01 2020-07-01 Comprehensive protection device and system for motor

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CN111725940A CN111725940A (en) 2020-09-29
CN111725940B true CN111725940B (en) 2021-08-06

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206452256U (en) * 2017-01-10 2017-08-29 浙江乐丰机电科技有限公司 It is a kind of can intelligent heat dissipation permanent-magnet brushless DC electric machine
CN207150351U (en) * 2017-07-27 2018-03-27 南京泓凯动力系统科技有限公司 A kind of Evapotranspiration heat type permagnetic synchronous motor
CN207283342U (en) * 2017-09-15 2018-04-27 安徽达来电机有限公司 A kind of motor with overhead water-cooling heat radiating device
JP6619402B2 (en) * 2017-09-21 2019-12-11 ファナック株式会社 Motor cooling fan unit, motor and exhaust unit
JP2019213425A (en) * 2018-06-08 2019-12-12 株式会社日立製作所 Rotary electric machine
CN209030048U (en) * 2018-12-06 2019-06-25 山东迈易特传动有限公司 A kind of 1140V permanent-magnetic variable-frequency all-in-one machine

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