CN113421739B - Electromagnetic coil explosion-proof shell with protection grade IP65 and highest surface temperature T6 - Google Patents
Electromagnetic coil explosion-proof shell with protection grade IP65 and highest surface temperature T6 Download PDFInfo
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- CN113421739B CN113421739B CN202110699721.6A CN202110699721A CN113421739B CN 113421739 B CN113421739 B CN 113421739B CN 202110699721 A CN202110699721 A CN 202110699721A CN 113421739 B CN113421739 B CN 113421739B
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- explosion
- proof
- electromagnetic coil
- shell
- sealing ring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses an electromagnetic coil explosion-proof shell with protection grade IP65 and highest surface temperature T6, which comprises an explosion-proof shell, wherein an explosion-proof top cover is fixedly arranged at the upper part of the explosion-proof shell through hexagon socket bolts, a nameplate is arranged between the explosion-proof top cover and the hexagon socket bolts, an electromagnetic coil part is arranged inside the explosion-proof shell, a large cylinder is fixedly connected to the outside of the explosion-proof shell, and a small cylinder is fixedly connected to the outside of the large cylinder. The electromagnetic coil explosion-proof shell with the protection grade IP65 and the highest surface temperature T6 can enable the protection grade of the explosion-proof shell component to reach more than IP65, enables the temperature of the inner cavity of the explosion-proof shell to be uniformly distributed when the electromagnetic coil component works to generate temperature rise, can fully utilize all surfaces of the explosion-proof shell to dissipate heat, further meets the requirement of the highest surface temperature group T6, and has the good characteristics of convenience in installation, high reliability and good mistake proofing.
Description
Technical Field
The invention relates to the field of electromagnetic coils, in particular to an explosion-proof shell of an electromagnetic coil with a protection grade IP65 and the highest surface temperature T6.
Background
The explosion-proof electromagnetic valve is characterized in that all parts of the equipment which can possibly ignite explosive gas mixtures are sealed in a shell, the shell can bear the explosion of the combustible mixtures which penetrate into the shell through any joint surfaces or structural gaps of the shell without being damaged in the interior, and the ignition of an explosive environment formed by one or more gases or steam outside can not be caused, parts which can generate sparks, electric arcs and dangerous temperatures are placed in the explosion-proof shell, the explosion-proof shell separates the internal space of the equipment from the surrounding environment, the explosion-proof shell has gaps, the explosive gas mixtures possibly exist in the explosion-proof shell due to the breathing action and the gas penetration action of the electrical equipment, the coil shell of the explosion-proof electromagnetic valve not only has the explosion-proof effect of bearing the pressure of gas explosion, but also has the retarding effect on the energy transmission of gas explosion, has higher safety performance, and is a special electromagnetic valve system which is specially designed and suitable for transmitting inflammable and explosive media or special for explosive dangerous places Electromagnetic valves with different explosion-proof grades are selected for different environments and fluids;
the explosion-proof electromagnetic valve applied to the current market is limited by the structural principle of parts such as an electromagnetic coil component, and the explosion-proof shell of the coil has low protection grade and low highest temperature group of the surface, and has large volume, heavy weight and large required installation space.
Disclosure of Invention
The invention mainly aims to provide an electromagnetic coil explosion-proof shell with protection grade IP65 and highest surface temperature T6, which can effectively solve the problems in the background technology that: the explosion-proof electromagnetic valve applied in the current market is limited by the structural principle of parts such as an electromagnetic coil component and the like, and the explosion-proof shell of the coil has the technical problems of low protection level, low highest temperature group on the surface, large volume, heavy weight and large required installation space.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a protection level IP65 highest surface temperature T6's solenoid flame proof shell, includes the flame proof casing, there is the flame proof top cap on the upper portion of flame proof casing through hexagon socket head cap screw fixed mounting, be equipped with the data plate between flame proof top cap and the hexagon socket head cap screw, the inside of flame proof casing is equipped with the solenoid part, the big drum of outside fixedly connected with of flame proof casing, the little drum of outside fixedly connected with of big drum, the outside of big drum is located two bosss of outside fixedly connected with of little drum, and wherein inboard boss passes through pan head screw fixedly connected with ground wire clamp plate, and wherein outside boss threaded connection has the end cap screw, and the shield has been filled in to the port of little drum, and the inside wiring terminal subassembly that has through cross recess countersunk screw fixed mounting of big drum, and the port threaded connection of big drum has the flame proof wiring end cover.
As a further scheme of the invention, the explosion-proof top cover is composed of a cylinder and a flange, a sealing ring mounting groove is formed in the root of the flange, and an explosion-proof top cover sealing ring is arranged inside the sealing ring mounting groove.
As a further scheme of the invention, the thread tail-withdrawing groove of the explosion-proof wiring end cover is also provided with a sealing ring mounting groove, and an end cover sealing ring is arranged in the sealing ring mounting groove.
As a further scheme of the invention, the bottom of the flameproof shell is of a spigot joint surface type, a sealing ring installation groove is also formed in the bottom spigot plane of the flameproof shell, and a shell bottom sealing ring is arranged in the sealing ring installation groove.
As a further scheme of the invention, an electromagnetic coil installation chamber is arranged between the inside of the explosion-proof shell and the electromagnetic coil component, the electromagnetic coil installation chamber is of a barrel-shaped columnar structure, a round hole is formed in the bottom of the electromagnetic coil installation chamber, a flange surface is arranged at an opening above the electromagnetic coil installation chamber, a cylindrical boss is arranged at the center of the bottom in the electromagnetic coil installation chamber, and fan-shaped bosses are uniformly distributed on the periphery of the bottom of the electromagnetic coil installation chamber.
As a further scheme of the invention, a terminal assembly mounting chamber is arranged between the terminal assembly and the large cylinder, an internal thread is arranged at an opening of the terminal assembly mounting chamber, a threaded hole is formed in the bottom of a hole of the terminal assembly mounting chamber, a semi-cylindrical boss is arranged on the inner wall of the hole of the terminal assembly mounting chamber, and a threaded hole is also formed in the axis of the semi-cylindrical boss.
As a further scheme of the invention, a cable leading-in installation chamber is arranged inside the small cylinder, an internal thread is also arranged at the opening of the small cylinder, and the explosion-proof shell, the large cylinder and the small cylinder are communicated.
As a further scheme of the invention, the circumference edge of the end part of the explosion-proof wiring end cover is also provided with fan-shaped bosses with the same height.
Compared with the prior art, the invention has the following beneficial effects:
the design of the explosion-proof joint surface of the assembly of the explosion-proof top cover and the explosion-proof shell adopts the design of the seam allowance joint surface, a sealing ring installation groove is arranged at the root part of a flange of the explosion-proof top cover, the design of the seam allowance joint surface is adopted, a sealing ring installation groove is arranged on the seam allowance plane at the bottom of the explosion-proof shell, a large cylinder and a small cylinder adopt the design of a thread joint surface, and a thread groove back of the end cover of the explosion-proof connecting wire is provided with the sealing ring installation groove, so that the explosion-proof protection grade of the shell component can reach above IP65 by the design;
an electromagnetic coil installation chamber is arranged between the inside of the explosion-proof shell and the electromagnetic coil component, the electromagnetic coil installation chamber is of a barrel-shaped columnar structure, a round hole is arranged at the bottom of the electromagnetic coil installation chamber and serves as an interface of an external connection component, a flange surface is arranged at an upper opening of the electromagnetic coil installation chamber and is in flange connection with the explosion-proof top cover, a cylindrical boss is arranged at the center of the bottom in the electromagnetic coil installation chamber and serves as a central positioning and jacking surface of the electromagnetic coil component, uniformly distributed fan-shaped bosses are arranged on the periphery of the bottom of the electromagnetic coil installation chamber and serve as positioning and jacking surfaces at the edge of the electromagnetic coil component, through the design, the bottom of the electromagnetic coil component after being installed is hollow, a terminal component installation chamber is arranged between the terminal component and the large cylinder, internal threads are arranged at the opening of the terminal component installation chamber and serve as an explosion-proof terminal end cover installation hole, threaded holes are arranged at the bottom of the terminal component installation chamber and are used for installation of cross-sink-head screws after the electromagnetic coil component is installed, and semi-cylindrical bosses are arranged on the inner wall of the terminal component and serve as direction limiting limits The axis of the semi-cylindrical boss is also provided with a threaded hole as a ground wire mounting hole of the chamber in the explosion-proof shell, the inside of the small cylinder is provided with a cable lead-in mounting chamber, the opening of the small cylinder is also provided with internal threads, the explosion-proof shell, the large cylinder and the small cylinder are communicated with each other, and the circumferential edge of the end part of the explosion-proof wiring end cover is provided with a fan-shaped boss with equal height; by the characteristic design, when the electromagnetic coil part works and generates temperature rise, the temperature of the inner cavity of the explosion-proof shell is uniformly distributed, all the surfaces of the explosion-proof shell can be fully utilized for heat dissipation, and the requirement of the highest surface temperature group T6 is met;
the explosion-proof top cover is of a cylindrical and flanged structure, the outer circle of a cylinder of the explosion-proof top cover is matched with the explosion-proof shell to form an explosion-proof joint surface, the end face of the flange of the explosion-proof top cover is matched with the end face of the flange of the explosion-proof shell to form a joint surface spigot, the root of the flange of the explosion-proof top cover is provided with a sealing ring installation groove, and cylindrical counter bores are arranged around the flange of the explosion-proof top cover and used for installing hexagon socket head bolts;
the explosion-proof wiring end cover is of a cylindrical and circular flange-shaped structure, external threads are arranged on the outer diameter of the cylinder and matched with the explosion-proof shell to form a threaded explosion-proof surface, a sealing ring mounting groove is formed in a thread tail-withdrawing groove of the explosion-proof wiring end cover, and fan-shaped bosses with equal heights are arranged on the circumferential edge of the end part of the explosion-proof wiring end cover and used for clamping when a hand is screwed and a tool is pulled tightly.
Drawings
FIG. 1 is an axonometric view of an electromagnetic coil flameproof housing with protection grade IP65 and the highest surface temperature T6 of the invention;
FIG. 2 is a top view of an electromagnetic coil explosion-proof enclosure with protection grade IP65 and highest surface temperature T6;
FIG. 3 is a front view of the internal structure of an electromagnetic coil flameproof housing with protection grade IP65 and the highest surface temperature T6;
FIG. 4 is an explosion diagram of an electromagnetic coil flameproof housing with protection grade IP65 and the highest surface temperature T6;
FIG. 5 is an axonometric view of the flameproof housing of the electromagnetic coil flameproof housing with the protection grade IP65 and the highest surface temperature T6;
FIG. 6 is a sectional view of the flameproof housing of the electromagnetic coil flameproof housing with the protection grade IP65 and the highest surface temperature T6.
In the figure: 1. an explosion-proof shell; 2. an electromagnetic coil component; 3. a flame-proof top cover sealing ring; 4. an explosion-proof top cover; 5. a nameplate; 6. a hexagon socket head cap screw; 7. a ground wire pressing plate; 8. pan head screws; 9. a dust cover; 10. a plug screw; 11. a cross recessed countersunk flat head screw; 12. a terminal assembly; 13. an end cap seal ring; 14. an explosion-proof wiring end cover; 15. and a shell bottom sealing ring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, an electromagnetic coil explosion-proof enclosure with protection level IP65 and highest surface temperature T6 comprises an explosion-proof shell 1, an explosion-proof top cover 4 is fixedly installed on the upper portion of the explosion-proof shell 1 through hexagon socket head cap bolts 6, a nameplate 5 is arranged between the explosion-proof top cover 4 and the hexagon socket head cap bolts 6, an electromagnetic coil component 2 is arranged inside the explosion-proof shell 1, a large cylinder is fixedly connected to the outside of the explosion-proof shell 1, a small cylinder is fixedly connected to the outside of the large cylinder, two bosses are fixedly connected to the outside of the large cylinder and positioned at the outside of the small cylinder, the inner side boss is fixedly connected with a ground wire pressing plate 7 through pan head screws 8, the outer side boss is connected with plug screws 10 in a threaded mode, a dustproof cover 9 is plugged into a port of the small cylinder, a wiring terminal assembly 12 is fixedly installed inside the large cylinder through cross recessed countersunk head screws 11, and a port of the large cylinder is connected with an explosion-proof wiring end cover 14 in a threaded mode;
the flameproof top cover 4 consists of a cylinder and a flange, a sealing ring mounting groove is formed in the root of the flange, and a flameproof top cover sealing ring 3 is arranged in the sealing ring mounting groove; a sealing ring mounting groove is also formed in the thread tail-withdrawing groove of the explosion-proof wiring end cover 14, and an end cover sealing ring 13 is arranged in the sealing ring mounting groove; the bottom of the flameproof shell 1 is of a spigot joint surface type, a sealing ring mounting groove is also formed in the bottom spigot plane of the flameproof shell 1, and a shell bottom sealing ring 15 is arranged in the sealing ring mounting groove; an electromagnetic coil installation chamber is arranged between the interior of the explosion-proof shell 1 and the electromagnetic coil component 2, the electromagnetic coil installation chamber is of a barrel-shaped columnar structure, a round hole is formed in the bottom of the electromagnetic coil installation chamber, a flange surface is arranged at an upper opening of the electromagnetic coil installation chamber, a cylindrical boss is arranged at the center of the bottom of the electromagnetic coil installation chamber, evenly-distributed fan-shaped bosses are arranged on the circumference of the bottom of the electromagnetic coil installation chamber, the round hole is used for an interface of an external connection component, the flange surface is used for being connected with the explosion-proof top cover 4, the cylindrical boss is used for a central positioning and jacking surface of the electromagnetic coil component 2, and the fan-shaped bosses are used for positioning and jacking surfaces at the edge of the electromagnetic coil component 2; a terminal assembly mounting chamber is arranged between the terminal assembly 12 and the large cylinder, an internal thread is arranged at the opening of the terminal assembly mounting chamber, a threaded hole is formed in the bottom of a hole of the terminal assembly mounting chamber, a semi-cylindrical boss is arranged on the inner wall of the hole of the terminal assembly mounting chamber, a threaded hole is also formed in the axis of the semi-cylindrical boss, the internal thread is used for mounting a mounting hole of the explosion-proof wiring end cover 14, the threaded hole in the bottom of the hole of the terminal assembly mounting chamber is used for mounting a cross-shaped groove countersunk head screw 11 after the electromagnetic coil assembly 2 is mounted, and the threaded hole of the semi-cylindrical boss is used as a mounting hole of a chamber ground wire in the explosion-proof shell 1; a cable lead-in installation chamber is arranged inside the small cylinder, an internal thread is also arranged at the opening of the small cylinder, the explosion-proof shell 1, the large cylinder and the small cylinder are communicated, and the cable lead-in installation chamber is used for leading in a cable; the circumference edge of the end part of the explosion-proof wiring end cover 14 is also provided with a fan-shaped boss with the same height, and the fan-shaped boss is used for clamping when a hand is screwed and a tool is pulled tightly.
When the electromagnetic coil explosion-proof shell with the protection grade IP65 and the highest surface temperature T6 is used, an electromagnetic coil component 2 is placed in an inner chamber of an explosion-proof shell 1, a cylindrical boss is used as a central positioning and pressing surface of the electromagnetic coil component, a fan-shaped boss is used as a positioning and pressing surface of the edge of the electromagnetic coil component, an explosion-proof top cover sealing ring 3 is placed in a sealing ring mounting groove at the root of a flange of an explosion-proof top cover 4, a hexagon socket head bolt 6 penetrates through the explosion-proof top cover 4 to be connected with the explosion-proof shell 1, a wiring terminal assembly 12 is connected with a threaded hole at the bottom of an inner hole of a large cylinder through a cross recessed countersunk screw 11, then a wire is led through the small cylinder, a ground wire penetrates through an inner side boss outside the large cylinder, an explosion-proof wiring end cover 14 is in threaded connection with the end surface of the large cylinder by using an external tool, and an end cover sealing ring 13 is sleeved in the sealing ring mounting groove, the assembly work can be completed.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a protection level IP65 highest surface temperature T6's solenoid flame proof shell which characterized in that: comprises an explosion-proof shell (1), an explosion-proof top cover (4) is fixedly arranged at the upper part of the explosion-proof shell (1) through an inner hexagon bolt (6), a nameplate (5) is arranged between the explosion-proof top cover (4) and the inner hexagon bolt (6), the electromagnetic coil component (2) is arranged inside the explosion-proof shell (1), the large cylinder is fixedly connected to the outside of the explosion-proof shell (1), the small cylinder is fixedly connected to the outside of the large cylinder, the two bosses are fixedly connected to the outside of the large cylinder, which is positioned at the outer side of the small cylinder, wherein the inner side boss is fixedly connected with a ground wire pressing plate (7) through a pan head screw (8), wherein, the boss at the outer side is connected with a plug screw (10) in a threaded manner, the port of the small cylinder is plugged with a dust cover (9), the inside of the large cylinder is fixedly provided with a wiring terminal component (12) through a cross recessed countersunk head screw (11), and the port of the large cylinder is connected with an explosion-proof wiring end cover (14) in a threaded manner;
the flame-proof top cover (4) is composed of a cylinder and a flange, a sealing ring mounting groove is formed in the root of the flange, and a flame-proof top cover sealing ring (3) is arranged in the sealing ring mounting groove;
a sealing ring mounting groove is also formed in a thread tail withdrawing groove of the explosion-proof wiring end cover (14), and an end cover sealing ring (13) is arranged in the sealing ring mounting groove;
the bottom of the flameproof shell (1) is of a spigot joint surface type, a sealing ring installation groove is also formed in the spigot plane of the bottom of the flameproof shell (1), and a shell bottom sealing ring (15) is arranged in the sealing ring installation groove;
an electromagnetic coil installation chamber is arranged between the inside of the explosion-proof shell (1) and the electromagnetic coil component (2), the electromagnetic coil installation chamber is of a barrel-shaped columnar structure, a round hole is formed in the bottom of the electromagnetic coil installation chamber, a flange surface is arranged at an opening above the electromagnetic coil installation chamber, a cylindrical boss is arranged at the center of the bottom in the electromagnetic coil installation chamber, and uniformly distributed fan-shaped bosses are arranged on the circumference of the bottom of the electromagnetic coil installation chamber;
a terminal assembly mounting chamber is arranged between the wiring terminal assembly (12) and the large cylinder, an internal thread is arranged at an opening of the terminal assembly mounting chamber, a threaded hole is formed in the bottom of a hole of the terminal assembly mounting chamber, a semi-cylindrical boss is arranged on the inner wall of the hole of the terminal assembly mounting chamber, and a threaded hole is also formed in the axis of the semi-cylindrical boss;
a cable lead-in mounting chamber is arranged inside the small cylinder, internal threads are also arranged at the opening of the small cylinder, and the explosion-proof shell (1), the large cylinder and the small cylinder are communicated with each other;
the end part of the explosion-proof wiring end cover (14) is also provided with fan-shaped bosses with the same height at the circumferential edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110699721.6A CN113421739B (en) | 2021-06-23 | 2021-06-23 | Electromagnetic coil explosion-proof shell with protection grade IP65 and highest surface temperature T6 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110699721.6A CN113421739B (en) | 2021-06-23 | 2021-06-23 | Electromagnetic coil explosion-proof shell with protection grade IP65 and highest surface temperature T6 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113421739A CN113421739A (en) | 2021-09-21 |
| CN113421739B true CN113421739B (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110699721.6A Active CN113421739B (en) | 2021-06-23 | 2021-06-23 | Electromagnetic coil explosion-proof shell with protection grade IP65 and highest surface temperature T6 |
Country Status (1)
| Country | Link |
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| CN (1) | CN113421739B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5233248A (en) * | 1991-07-10 | 1993-08-03 | Mitsubishi Denki Kabushiki Kaisha | Heat resistant and explosion-proof type permanent magnetic synchronous motor |
| CN201174634Y (en) * | 2008-03-18 | 2008-12-31 | 中国矿业大学 | Micro explosion-proof motor modified by common micro motor |
| CN109245397A (en) * | 2018-12-05 | 2019-01-18 | 黄石先达电气有限公司 | A kind of inflammable and explosive industrial area fire-proof motor |
| CN210404928U (en) * | 2019-08-19 | 2020-04-24 | 中泉集团有限公司 | Novel explosion-proof three-phase asynchronous motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788787U (en) * | 2010-08-20 | 2011-04-06 | 白城电力镇赉变压器有限责任公司 | Explosion-proof housing of explosion-proof dry-type transformer and movable substation for mining |
| CN202125656U (en) * | 2011-06-21 | 2012-01-25 | 无锡埃氟隆流体控制器有限公司 | Multipurpose casing explosion-proof pilot type electromagnetic valve |
| CN102568740B (en) * | 2011-12-28 | 2013-10-16 | 宁波市鄞州通力液压电器厂 | Flameproof electromagnet |
| CN204176091U (en) * | 2014-09-17 | 2015-02-25 | 深圳市摩控自动化设备有限公司 | Explosion-proof type magnetic valve flame proof head |
| CN209511243U (en) * | 2019-01-26 | 2019-10-18 | 宁波纽帕得机械有限公司 | A kind of novel flame proof valve |
| CN209912644U (en) * | 2019-08-12 | 2020-01-07 | 上海派力防爆科技有限公司 | Energy-saving low-power consumption explosion-proof electromagnetic coil |
-
2021
- 2021-06-23 CN CN202110699721.6A patent/CN113421739B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5233248A (en) * | 1991-07-10 | 1993-08-03 | Mitsubishi Denki Kabushiki Kaisha | Heat resistant and explosion-proof type permanent magnetic synchronous motor |
| CN201174634Y (en) * | 2008-03-18 | 2008-12-31 | 中国矿业大学 | Micro explosion-proof motor modified by common micro motor |
| CN109245397A (en) * | 2018-12-05 | 2019-01-18 | 黄石先达电气有限公司 | A kind of inflammable and explosive industrial area fire-proof motor |
| CN210404928U (en) * | 2019-08-19 | 2020-04-24 | 中泉集团有限公司 | Novel explosion-proof three-phase asynchronous motor |
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| CN113421739A (en) | 2021-09-21 |
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