CN112952737B

CN112952737B - Motor protector with waterproof and anti-electromagnetic interference functions

Info

Publication number: CN112952737B
Application number: CN202110135431.9A
Authority: CN
Inventors: 陶慧
Original assignee: Jiangyin Laien Electric Co ltd
Current assignee: Jiangyin Laien Electric Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2022-06-24
Anticipated expiration: 2041-02-01
Also published as: CN112952737A

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 outgoing line penetrates through the sealing cover and extends outwards. The invention can remotely control the protector assembly to be used through the mobile phone terminal, thereby effectively improving the anti-electromagnetic interference of the protector assembly and further improving the use stability of the protector assembly.

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 performs 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, and 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, and the sealing plate is fixed on the right side wall of the outer shell through a bolt, 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 plate, a servo motor is fixedly arranged on the right side wall of the inner shell through a bolt, and the right side wall of the servo motor is connected with fan blades through a driving shaft; 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 connecting head 1141 is inserted into the extending end of the outgoing line 114, the sealing plate 140 is fixed on the right side wall of the outer shell 110 through bolts, 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 181 through a driving shaft; 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 exhaust tube 240.

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 one layer of second lead net plates 172 in a staggered manner, 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

1. A motor protector with waterproof and anti-electromagnetic interference functions comprises a protection device (100) and a leakage-proof device (200), and is 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 spliced on the outer side wall of the outer shell (110), a first connecting head (1111) is spliced at the extending end of the incoming line (111), a first limiting ring (115) is embedded in the inner wall of a left opening 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 in the inner wall on the right side of the sealing cover (120), and the protector component (130) is fixed in the inner cavity of the inner shell (150) through the positioning device (190), the left side wall of the protector assembly (130) is spliced with an outgoing line (114), the outgoing line (114) penetrates through the sealing cover (120) and extends outwards, the extending end of the outgoing line (114) is spliced with a second connecting head (1141), the sealing plate (140) is fixed on the right side wall of the outer shell (110) through bolts, a ventilating plate (141) is embedded in the sealing plate (140), a filter plate (142) is embedded in the ventilating 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, and 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 in 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, fan blades (181) are arranged on the right side wall of the servo motor (180), the leakage-preventing device (200) is positioned in an inner cavity formed by the outer shell (110) and the sealing cover (120), the leakage-preventing device (200) comprises a leakage-preventing cover (210), a shielding net (220), a gas detector (230) and an exhaust tube (240), two ends of the leakage-preventing cover (210) are respectively embedded in the inner side walls of the outer shell (110) and the sealing cover (120) through the first limiting ring (115) and the second limiting ring (122), the shielding net (220) is sleeved on the inner side wall of the leakage-preventing cover (210), and the gas detector (230) is positioned at the bottom of a U-shaped structure of the leakage-preventing cover (210), the leakage-proof cover (210) is communicated with the left side wall of the sealing cover (120) through the exhaust pipe (240).

2. The protector for the motor with the functions of water resistance and electromagnetic interference resistance as claimed in claim 1, wherein the shielding device (170) comprises two first lead net plates (171) and two second lead net plates (172), the two first lead net plates (171) are positioned at two sides of the second lead net plates (172), and the two first lead net plates (171) and the second lead net plates (172) are distributed in a staggered way.

3. The protector for the motor with the functions of water resistance and electromagnetic interference resistance 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. The protector for the motor with the functions of water resistance and electromagnetic interference resistance as claimed in claim 3, wherein a rubber ring (193) is embedded in the inner side wall of the positioning ring (191), and the protector assembly (130) is connected with the positioning ring (191) through the rubber ring (193).

5. The protector for the motor with the functions of water resistance and electromagnetic interference resistance as claimed in claim 1, wherein a positioning column (152) is fixed on the outer side wall of the inner shell (150) through a bolt, and one end of the positioning column (152) far away from the inner shell (150) is connected with the inner side wall of the outer shell (110) through a bolt.

6. The protector for the motor with the functions of water resistance and electromagnetic interference resistance as claimed in claim 1, wherein a first circular ring (112) is welded on the left side of the outer side wall of the shell (110), a second circular ring (121) is welded on 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.

7. The protector for the motor with the functions of water resistance and electromagnetic interference resistance as claimed in claim 1, wherein the first connector (1111) and the second connector (1141) are respectively provided with a slot inside.

8. The protector for the motor with the functions of water resistance and electromagnetic interference resistance as claimed in claim 1, wherein a base (113) is fixed to the bottom of the housing (110) through bolts, and a through hole is formed in the base (113).