CN112952737A - Motor protector with waterproof and anti-electromagnetic interference functions - Google Patents

Motor protector with waterproof and anti-electromagnetic interference functions Download PDF

Info

Publication number
CN112952737A
CN112952737A CN202110135431.9A CN202110135431A CN112952737A CN 112952737 A CN112952737 A CN 112952737A CN 202110135431 A CN202110135431 A CN 202110135431A CN 112952737 A CN112952737 A CN 112952737A
Authority
CN
China
Prior art keywords
side wall
shell
protector
ring
positioning
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
Application number
CN202110135431.9A
Other languages
Chinese (zh)
Other versions
CN112952737B (en
Inventor
陶慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangyin Laien Electric Co ltd
Original Assignee
Jiangyin Laien Electric Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangyin Laien Electric Co ltd filed Critical Jiangyin Laien Electric Co ltd
Priority to CN202110135431.9A priority Critical patent/CN112952737B/en
Publication of CN112952737A publication Critical patent/CN112952737A/en
Application granted granted Critical
Publication of CN112952737B publication Critical patent/CN112952737B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H02H7/0822—Integrated protection, motor control centres
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention discloses a motor protector with waterproof and anti-electromagnetic interference functions, which comprises a protection device and an anti-leakage device, wherein the protection device comprises an outer shell, a sealing cover, a protector component, a sealing plate, an inner shell, a networking device, a shielding device, a servo motor and a positioning device, an incoming line is inserted into the outer side wall of the outer shell, a first connector is inserted into the extending end of the incoming line, a first limiting ring is embedded into the left side wall of the inner cavity of the outer shell, the sealing cover is positioned on the left side of the outer shell, a second limiting ring is embedded into the right side wall of the inner cavity of the sealing cover, the protector component is fixed into the inner cavity of the inner shell through the positioning device, an outgoing line is inserted into the left side wall of the protector component, and the. The use of the protector component can be remotely controlled through the mobile phone terminal, so that the anti-electromagnetic interference performance of the protector component can be effectively improved, and the use stability of the protector component is further improved.

Description

Motor protector with waterproof and anti-electromagnetic interference functions
Technical Field
The invention relates to the technical field of motor part equipment, in particular to a motor protector with waterproof and anti-electromagnetic interference functions.
Background
The motor protector has the function of comprehensive protection control on the motor, and gives an alarm or protection control on aging of a winding when the motor has overcurrent, undercurrent, phase failure, locked rotor, short circuit, overvoltage, undervoltage, electric leakage, three-phase imbalance, overheating, grounding, bearing abrasion, stator and rotor eccentricity.
The current motor protector has serious problem just can not effectually shield external electromagnetic wave when using, thereby make external electromagnetic wave lead to the fact the influence to the protector of motor, lead to the fact electromagnetic interference to the protector, thereby make it can not normal use, and still can not monitor the leakproofness of casing junction, thereby after the junction takes place the air leakage, moisture in the air can lead to the fact the corruption to the protector subassembly, thereby reduce the life of protector.
Disclosure of Invention
The invention aims to provide a motor protector with waterproof and anti-electromagnetic interference functions, which solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a motor protector with waterproof and anti-electromagnetic interference functions comprises a protection device and a leakage-proof device, wherein the protection device comprises an outer shell, a sealing cover, a protector component, a sealing plate, an inner shell, a networking device, a shielding device, a servo motor and a positioning device, an incoming wire is inserted into the outer side wall of the outer shell, a first connector is inserted into the extension end of the incoming wire, a first limiting ring is embedded into the left side wall of an inner cavity of the outer shell, the sealing cover is positioned on the left side of the outer shell, a second limiting ring is embedded into the right side wall of the inner cavity of the sealing cover, the protector component is fixed in the inner cavity of the inner shell through the positioning device, an outgoing wire is inserted into the left side wall of the protector component, the outgoing wire penetrates through the sealing cover to extend outwards, a second connector is inserted into the extension end of the outgoing wire, the fan-shaped fan comprises a sealing plate, a filter plate, an inner shell, a signal receiving and transmitting unit, a networking unit, an anti-interference unit and a control unit, wherein the sealing plate is embedded in the sealing plate, the filter plate is embedded in the ventilation plate, the inner shell is welded on the inner side wall of the outer shell, the outer side wall of the inner shell is fixedly provided with a refrigerating sheet through a bolt, the networking unit is fixedly arranged at the bottom of an inner cavity of the inner shell through a bolt, the networking unit comprises a signal receiving and transmitting unit, a networking unit, an anti-interference unit and a control unit, the shielding device is embedded in the left side wall of the sealing; prevent leaking the device and being located the inner chamber of shell, prevent leaking the device and include leak protection cover, shielding net, gas detector and exhaust tube, the both ends of leak protection cover are passed through respectively first spacing ring with the second spacing ring inlay in the shell with the inside wall of sealed lid, the shielding net cup joint in the lateral wall of leak protection cover, gas detector is located the bottom of the U type structure of leak protection cover, the leak protection cover passes through the exhaust tube with the left side wall intercommunication of sealed lid.
As a preferred embodiment of the present invention, the shielding device includes two first lead mesh plates and two second lead mesh plates, the two first lead mesh plates are located on two sides of the second lead mesh plate, and the two first lead mesh plates and the second lead mesh plates are distributed in a staggered manner.
As a preferred embodiment of the present invention, the positioning device includes a positioning ring and a positioning block, the positioning ring is sleeved outside the protector component, and the positioning ring is connected to the inner sidewall of the inner shell through the positioning block.
In a preferred embodiment of the present invention, a rubber ring is embedded in an inner side wall of the positioning ring, and the protector assembly is connected to the positioning ring through the rubber ring.
As a preferred embodiment of the present invention, a positioning column is fixed on the outer side wall of the inner casing by a bolt, and one end of the positioning column, which is far away from the inner casing, is connected with the inner side wall of the outer casing by a bolt.
As a preferred embodiment of the present invention, a first circular ring is welded to the left side of the outer sidewall of the housing, a second circular ring is welded to the right side of the outer sidewall of the sealing cover, and the first circular ring and the second circular ring are fixedly connected by a bolt.
In a preferred embodiment of the present invention, the first connector and the second connector have respective slots formed therein.
As a preferred embodiment of the present invention, a base is fixed to the bottom of the housing by a bolt, and a through hole is formed in the base.
Compared with the prior art, the invention has the following beneficial effects:
1. through the internally mounted at the inner shell have the networking device, and the shell, a sealed cavity is constituteed in mutually supporting of inner shell and sealed lid, the protector subassembly is located sealed cavity, and the internally mounted at the shell has shield assembly, and the shell, the inner shell, sealed lid and shield assembly mutually support to use and can effectually keep apart the electromagnetic wave to the external world, prevent that external electromagnetic wave from influencing the electronic component in the networking device and the normal use of protector subassembly, and then the signal transceiver unit in the networking device, networking unit and anti-jamming unit mutually support to use and can effectually network its protector subassembly, but through the use of cell phone terminal remote control protector subassembly, thereby can effectual improvement protector subassembly's anti-electromagnetic interference nature, and then improve protector subassembly's stability in use.
2. Inlay through the inside wall at shell and sealed lid and have anti-leakage device, keep apart junction between its shell and the sealed lid and protection device's inner chamber, use the air extractor to bleed to the inner chamber of leak protection cover, make the sealed cavity of constituteing between the leak protection cover among the anti-leakage device and shell and the sealed lid be in vacuum state, gas detector monitors the inner chamber of its leak protection cover, whether there is air leakage to the leak protection cover between monitoring shell and the sealed lid, if take place to leak then the networking send out the police dispatch newspaper, thereby carry out timely sealing to it, prevent that external moisture from entering into protection device's inner chamber and cause the corruption to the protector subassembly, thereby improve the life of protector subassembly.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a motor protector having waterproof and anti-electromagnetic interference functions according to the present invention;
fig. 2 is a sectional view of a motor protector having waterproof and anti-electromagnetic interference functions according to the present invention;
FIG. 3 is a system diagram of a networked device of a motor protector having waterproof and EMI resistant features in accordance with the present invention;
fig. 4 is a structural view of a shielding apparatus of a motor protector having waterproof and anti-electromagnetic interference functions according to the present invention;
fig. 5 is a structural view of a positioning device of a motor protector having waterproof and anti-electromagnetic interference functions according to the present invention.
In the figure: 100. a protection device; 110. a housing; 111. feeding the wire; 1111. a first connector; 112. a first circular ring; 113. a base; 114. wire outgoing; 1141. a second connector; 115. a first limit ring; 120. a sealing cover; 121. a second circular ring; 122. a second stop collar; 130. a protector assembly; 140. a sealing plate; 141. a ventilation board; 142. a filter plate; 150. an inner shell; 151. a refrigeration plate; 152. a positioning column; 160. a networking device; 161. a signal transceiving unit; 162. a networking unit; 163. an anti-interference unit; 164. a control unit; 170. a shielding device; 171. a first lead net plate; 172. a second lead net plate; 180. a servo motor; 181. a fan blade; 190. a positioning device; 191. a positioning ring; 192. positioning blocks; 193. a rubber ring; 200. a leakage prevention device; 210. a leakage-proof cover; 220. a shielding mesh; 230. a gas detector; 240. and an air exhaust pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a motor protector with waterproof and anti-electromagnetic interference functions comprises a protection device 100 and an anti-leakage device 200, wherein the protection device 100 comprises an outer shell 110, a sealing cover 120, a protector assembly 130, a sealing plate 140, an inner shell 150, a networking device 160, a shielding device 170, a servo motor 180 and a positioning device 190, an incoming line 111 is inserted into the outer side wall of the outer shell 110, a first connecting head 1111 is inserted into the extending end of the incoming line 111, a first limiting ring 115 is embedded into the left side wall of the inner cavity of the outer shell 110, the sealing cover 120 is positioned on the left side of the outer shell 110, a second limiting ring 122 is embedded into the right side wall of the inner cavity of the sealing cover 120, the protector assembly 130 is fixed in the inner cavity of the inner shell 150 through the positioning device 190, an outgoing line 114 is inserted into the left side wall of the protector assembly 130, the outgoing line 114 penetrates through the sealing cover 120 to extend outwards, a second, the ventilation plate 141 is embedded in the sealing plate 140, the filter plate 142 is embedded in the ventilation plate 141, the inner shell 150 is welded on the inner side wall of the outer shell 110, the refrigerating sheet 151 is fixed on the outer side wall of the inner shell 150 through bolts, the networking device 160 is fixed at the bottom of the inner cavity of the inner shell 150 through bolts, the networking device 160 comprises a signal transceiving unit 161, a networking unit 162, an anti-interference unit 163 and a control unit 164, the shielding device 170 is embedded on the left side wall of the sealing plate 140, the servo motor 180 is fixed on the right side wall of the inner shell 150 through bolts, and the right side wall of the servo motor 180 is connected with fan blades; the leakage-proof device 200 is located in the inner cavity of the housing 110, the leakage-proof device 200 comprises a leakage-proof cover 210, a shielding net 220, a gas detector 230 and a gas exhaust tube 240, two ends of the leakage-proof cover 210 are respectively embedded in the inner side walls of the housing 110 and the sealing cover 120 through a first limiting ring 115 and a second limiting ring 122, the shielding net 220 is sleeved on the outer side wall of the leakage-proof cover 210, the gas detector 230 is located at the bottom of the U-shaped structure of the leakage-proof cover 210, and the leakage-proof cover 210 is communicated with the left side wall of the sealing cover 120 through the gas.
In the invention, after the lead incoming line 111 is powered on and the switch is turned on, the networking device 160, the protector assembly 130, the refrigerating sheet 151 and the servo motor 180 are enabled to normally operate after being electrified, the signal transceiving unit 161 and the networking unit 162 cooperatively network the mobile phone and the protector assembly 130 to remotely control the working state of the mobile phone and the protector assembly 130, the protector assembly 130 is communicated with an external motor through the outgoing line 114 and the second connector 1141, the protector assembly 130 generates heat in the using process, the heat is conducted outwards through the inner shell 150, at the moment, the refrigerating sheet 151 absorbs the heat conducted to the inner shell 150 and transfers the heat to a cavity between the outer shell 110 and the inner shell 150, the servo motor 180 drives the fan blades 181 to rotate to generate air flow, the air flow drives the heat to penetrate through the shielding device 170 and the ventilating plate 141 to be conducted to the atmosphere, the shielding device 170 is arranged by two layers of first lead net plates 171 and, the electromagnetic wave to the external world is blocked, and because gas detector 230 monitors the leak protection cover 210 inner chamber, whether seam crossing is complete between monitoring shell 110 and the sealed lid 120, if the air leakage takes place, just make leak protection cover 210 and shell 110 and sealed lid 120 the cavity of constituteing store the air, gas detector 230 senses the back and sends alarm signal for cell-phone terminal through signal transceiver unit 161, in time repair the leakage department, reduce the life who reduces the protector because external factor.
In an alternative embodiment, the shielding device 170 includes two first lead net plates 171 and two second lead net plates 172, the two first lead net plates 171 are located at two sides of the second lead net plate 172, and the two first lead net plates 171 and the second lead net plate 172 are distributed alternately.
It should be noted that, by using the staggered distribution between the two first lead mesh plates 171 and the one second lead mesh plate 172, the filtering and refracting effects on the external electromagnetic waves are improved.
In an alternative embodiment, the positioning device 190 includes a positioning ring 191 and a positioning block 192, the positioning ring 191 is sleeved outside the protector assembly 130, and the positioning ring 191 is connected with the inner sidewall of the inner casing 150 through the positioning block 192.
It should be noted that the positioning ring 191 and the positioning block 192 are used in cooperation with each other to fix the protector component 130 and improve the heat dissipation effect of the protector component 130.
In an alternative embodiment, the inner sidewall of the positioning ring 191 is embedded with a rubber ring 193, and the protector assembly 130 is connected to the positioning ring 191 via the rubber ring 193.
It should be noted that the use of the rubber ring 193 can effectively improve the clamping force of the positioning device 190 on the protector assembly 130.
In an alternative embodiment, the outer sidewall of the inner casing 150 is fixed with a positioning post 152 by a bolt, and an end of the positioning post 152 away from the inner casing 150 is connected with the inner sidewall of the outer casing 110 by a bolt.
It should be noted that the use of the positioning posts 152 serves to strengthen the connection between the inner housing 150 and the outer housing 110 to ensure the safe operation of the protector assembly 130.
In an alternative embodiment, a first circular ring 112 is welded to the left side of the outer side wall of the shell 110, a second circular ring 121 is welded to the right side of the outer side wall of the sealing cover 120, and the first circular ring 112 and the second circular ring 121 are fixedly connected through bolts.
It should be noted that the first ring 112 and the second ring 121 are connected to each other to improve the stability of the connection between the housing 110 and the sealing cover 120.
In an alternative embodiment, the first connector 1111 and the second connector 1141 are respectively provided with a card slot therein.
It should be noted that the first connector 1111 and the second connector 1141 can conveniently communicate the protector assembly 130 with a power source and a motor.
In an alternative embodiment, the bottom of the housing 110 is fixed with a base 113 by bolts, and the base 113 is provided with through holes inside.
The base 113 fixes the position of the housing 110, and prevents the housing 110 from being displaced when used.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A motor protector with waterproof and anti-electromagnetic interference functions, comprising a protection device (100) and a leakage prevention device (200), characterized in that: the protection device (100) comprises an outer shell (110), a sealing cover (120), a protector component (130), a sealing plate (140), an inner shell (150), a networking device (160), a shielding device (170), a servo motor (180) and a positioning device (190), wherein an incoming line (111) is inserted into the outer side wall of the outer shell (110), a first connecting head (1111) is inserted into the extension end of the incoming line (111), a first limiting ring (115) is embedded into the left side wall of the inner cavity of the outer shell (110), the sealing cover (120) is positioned on the left side of the outer shell (110), a second limiting ring (122) is embedded into the right side wall of the inner cavity of the sealing cover (120), the protector component (130) is fixed in the inner cavity of the inner shell (150) through the positioning device (190), an outgoing line (114) is inserted into the left side wall of the protector component (130), and the outgoing line (114) penetrates through the sealing cover (120), the extension end of the outgoing line (114) is inserted with a second connector (1141), the sealing plate (140) is fixed on the right side wall of the outer shell (110) through bolts, a ventilation plate (141) is embedded in the sealing plate (140), a filter plate (142) is embedded in the ventilation plate (141), the inner shell (150) is welded on the inner side wall of the outer shell (110), a refrigerating sheet (151) is fixed on the outer side wall of the inner shell (150) through bolts, the networking device (160) is fixed on the bottom of the inner cavity of the inner shell (150) through bolts, the networking device (160) comprises a signal transceiving unit (161), a networking unit (162), an anti-interference unit (163) and a control unit (164), the shielding device (170) is embedded on the left side wall of the sealing plate (140), and the servo motor (180) is fixed on the right side wall of the inner shell (150) through bolts, the right side wall of the servo motor (180) is connected with a fan blade (181) through a driving shaft; the anti-leakage device (200) is located in an inner cavity of the shell (110), the anti-leakage device (200) comprises an anti-leakage cover (210), a shielding net (220), a gas detector (230) and an exhaust tube (240), two ends of the anti-leakage cover (210) are respectively inserted into the shell (110) and an inner side wall of the sealing cover (120) through the first limiting ring (115) and the second limiting ring (122), the shielding net (220) is sleeved on an outer side wall of the anti-leakage cover (210), the gas detector (230) is located at the bottom of a U-shaped structure of the anti-leakage cover (210), and the anti-leakage cover (210) is communicated with a left side wall of the sealing cover (120) through the exhaust tube (240).
2. A motor protector having waterproof and electromagnetic interference resistant functions as claimed in claim 1, wherein: the shielding device (170) comprises two first lead screen plates (171) and two second lead screen plates (172), the two first lead screen plates (171) are located on two sides of the second lead screen plates (172), and the two first lead screen plates (171) and the second lead screen plates (172) are distributed in a staggered mode.
3. A motor protector having waterproof and electromagnetic interference resistant functions as claimed in claim 1, wherein: the positioning device (190) comprises a positioning ring (191) and a positioning block (192), the positioning ring (191) is sleeved outside the protector component (130), and the positioning ring (191) is connected with the inner side wall of the inner shell (150) through the positioning block (192).
4. A motor protector having waterproof and electromagnetic interference resistant functions as claimed in claim 3, wherein: the inner side wall of the positioning ring (191) is inlaid with a rubber ring (193), and the protector component (130) is connected with the positioning ring (191) through the rubber ring (193).
5. A motor protector having waterproof and electromagnetic interference resistant functions as claimed in claim 1, wherein: the outer side wall of the inner shell (150) is fixed with a positioning column (152) through a bolt, and one end, far away from the inner shell (150), of the positioning column (152) is connected with the inner side wall of the outer shell (110) through a bolt.
6. A motor protector having waterproof and electromagnetic interference resistant functions as claimed in claim 1, wherein: the outer wall left side of shell (110) welds first ring (112), the outer wall right side welding of sealed lid (120) has second ring (121), first ring (112) with second ring (121) pass through bolt fixed connection.
7. A motor protector having waterproof and electromagnetic interference resistant functions as claimed in claim 1, wherein: the first connector (1111) and the second connector (1141) are internally provided with clamping grooves respectively.
8. A motor protector having waterproof and electromagnetic interference resistant functions as claimed in claim 1, wherein: the bottom of the shell (110) is fixed with a base (113) through bolts, and a through hole is formed in the base (113).
CN202110135431.9A 2021-02-01 2021-02-01 Motor protector with waterproof and anti-electromagnetic interference functions Active CN112952737B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110135431.9A CN112952737B (en) 2021-02-01 2021-02-01 Motor protector with waterproof and anti-electromagnetic interference functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110135431.9A CN112952737B (en) 2021-02-01 2021-02-01 Motor protector with waterproof and anti-electromagnetic interference functions

Publications (2)

Publication Number Publication Date
CN112952737A true CN112952737A (en) 2021-06-11
CN112952737B CN112952737B (en) 2022-06-24

Family

ID=76240548

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110135431.9A Active CN112952737B (en) 2021-02-01 2021-02-01 Motor protector with waterproof and anti-electromagnetic interference functions

Country Status (1)

Country Link
CN (1) CN112952737B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208590215U (en) * 2018-08-14 2019-03-08 洛阳市通航电子设备有限公司 A kind of control cabinet for the anti-electromagnetic interference that thermal diffusivity is good
CN109444632A (en) * 2018-11-13 2019-03-08 淮海机电科技股份有限公司 A kind of motor for preventing electric leakage alarm device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208590215U (en) * 2018-08-14 2019-03-08 洛阳市通航电子设备有限公司 A kind of control cabinet for the anti-electromagnetic interference that thermal diffusivity is good
CN109444632A (en) * 2018-11-13 2019-03-08 淮海机电科技股份有限公司 A kind of motor for preventing electric leakage alarm device

Also Published As

Publication number Publication date
CN112952737B (en) 2022-06-24

Similar Documents

Publication Publication Date Title
CN112952737B (en) Motor protector with waterproof and anti-electromagnetic interference functions
CN117767772B (en) Photovoltaic energy storage inverter with self-protection limiting function
CN214078379U (en) Join in marriage power generation room toxic gas processing apparatus
CN106785999A (en) A kind of power distribution cabinet with internal cooling function
CN215419003U (en) Outdoor dustproof power cabinet
CN211206610U (en) Early warning device of power equipment
CN213521345U (en) Prevent DC power supply cabinet of outside electric leakage influence
CN211801943U (en) Automatic plastic spraying production line of burglary-resisting door
CN221266963U (en) Multi-functional electric power construction electric power fire protection device
CN212991679U (en) Charging station power supply capacity monitoring device
CN212985567U (en) External hanging type fan structure
CN218352159U (en) Automatic power-off device for power construction
CN217445736U (en) Wire linkage control panel for fire control
CN216720644U (en) Electrical switch cabinet convenient to install
CN211630269U (en) Adjustable band-pass filter for cable television
CN212909102U (en) Self-starting heat sink of UPS control assembly cabinet
CN214626011U (en) High-efficient circulation heat abstractor of cloth machine control box
CN219697390U (en) Permanent magnet synchronous motor for cooling tower
CN214626625U (en) Special motor for wind power fine filter
CN215343536U (en) Protection interlocking device for power distribution cabinet
CN216819627U (en) Explosion-proof motor
CN220022366U (en) Fire control power supply unit with monitor function
CN215601658U (en) Reactive compensation controller for automatically detecting quantity and capacity of capacitors
CN214850981U (en) Automatic regulating device for direct-current power supply voltage of aircraft power supply vehicle
CN217305956U (en) Intelligent security and fire-fighting linkage control 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