CN110676968A - Novel explosion-proof motor - Google Patents
Novel explosion-proof motor Download PDFInfo
- Publication number
- CN110676968A CN110676968A CN201910937375.3A CN201910937375A CN110676968A CN 110676968 A CN110676968 A CN 110676968A CN 201910937375 A CN201910937375 A CN 201910937375A CN 110676968 A CN110676968 A CN 110676968A
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- Prior art keywords
- explosion
- fan
- outer fan
- proof motor
- motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a novel explosion-proof motor which comprises an external fan, a bearing, an end cover, a cooler, a cover plate, a stator, a rotor, a wind shield, a slip ring, a platinum thermistor, a temperature measurement connecting wire, a galvanized metal hose, a main connecting box, a temperature measurement connecting box, a heater connecting box, an oil injection hole, an oil discharge hole, a heater, a fan cover, a motor main shaft and a monitoring box. This neotype explosion proof machine carries out design optimization to outer fan and explosion proof machine terminal box casing, sealing part, and the improvement of outer fan makes explosion proof machine's cooling rate promote, the redesign and the improvement of terminal box, and the explosion proof machine operation in-process of avoiding can appear the spark probability.
Description
Technical Field
The invention relates to a motor, in particular to a novel explosion-proof motor.
Background
The explosion-proof motor industry development of China shows an ascending trend at present, enterprises with large scale and advanced technology are increased gradually, the market of the explosion-proof motor is also gradually increased, the development space is further improved, but only the production and manufacturing are emphasized in the development process at the present stage, but the aspects of innovation of product quality and performance, simple degree of the repair mode of mechanical parts and the like have obvious lagging gaps.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel explosion-proof motor.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a novel explosion-proof motor comprises an outer fan, a bearing, an end cover, a cooler, a cover plate, a stator, a rotor, a wind shield, a slip ring, a platinum thermistor, a temperature measurement connecting wire, a galvanized metal hose, a main junction box, a temperature measurement junction box, a heater junction box, an oil injection hole, an oil discharge hole, a heater, a fan cover, a motor spindle and a monitoring box, wherein the outer fan comprises two groups, namely an outer fan a and an outer fan b, the end cover comprises an end cover a and an end cover b, the end cover a is arranged at one end of the explosion-proof motor, the end cover b is arranged at the other end of the explosion-proof motor, the outer fan a is arranged at one end of the motor spindle, the motor spindle is provided with a key for positioning and fixing the outer fan a, the fan cover is arranged outside the outer fan a, the fan cover is rotationally fastened with a threaded hole in the end cover through a stud, the outer fan b, the wind shield is arranged on one side of the outer fan b, the stator is arranged on the middle inner wall of the explosion-proof motor, the iron core of the rotor is arranged in the middle of the motor main shaft and is arranged corresponding to the position of the stator, the cooler is arranged on the top of the explosion-proof motor main body and is of a double-fan structure and is fastened on the top of the explosion-proof motor main body by using bolts, the pulleys are three precision conductive slip rings and are arranged on a stepped shaft at one end of the motor main shaft, the three pulleys are arranged in the monitoring box, the three pulleys are matched and fixedly connected with clamping grooves in the monitoring box by using bolts and gaskets, the platinum thermistor is arranged on one side of the stator and is arranged on one side of the wind shield by using fixing bolts, the wire core of the temperature measurement connecting wire is platinum-rhodium alloy and is used for connecting the platinum thermistor and the stator, and the galvanized metal hose is wrapped outside the temperature measurement connecting wire, the main junction box locate explosion-proof machine's shell side, the box body of main junction box is thin wall sheet metal construction, the temperature measurement terminal box locate one side of main junction box, adopt epoxy from dry adhesive to fill sealed, the heater terminal box locate one side of temperature measurement terminal box, the heater terminal box adopts aluminum alloy die-casting shaping, and surperficial high-pressure static spraying plastics, oil filler point and oil drain hole locate on the end cover a, the heater adopt ceramic strip threading mode to make, locate the bottom in the explosion-proof machine.
Compared with the prior art, the invention has the advantages that: explosion-proof machine is in the use, some problems can often appear in the discovery, some problems appear very suddenly, these problems, a great deal of reason is because the structure is unreasonable, this neotype explosion-proof machine is to outer fan and explosion-proof machine terminal box casing, sealing part, design optimization carries out, the corresponding structural scheme with it has been proposed, the improvement of outer fan makes explosion-proof machine's cooling rate promote, redesign and the improvement of terminal box, the explosion-proof machine operation in-process of avoiding, spark probability can appear, explosion-proof machine's production safety has been ensured, can avoid explosion-proof machine to produce secondary damage to the surrounding environment after damaging simultaneously.
As an improvement, two groups of outer fans are provided, including an outer fan a and an outer fan b, which are manufactured by die casting of magnesium aluminum alloy, fan blades of the outer fan are improved based on an axial flow fan, and the specific shape of the fan blades is that the front end is thick and is rounded, the rear end is thin, and the area of the fan blades is large.
As the improvement, the cooler is arranged at the top of the explosion-proof motor main body, the cooler is of a double-fan structure, vacuum brazing is adopted, the structure is more stable, the machine body is made of aluminum alloy, and the cooler is long in service life and stable.
As improvement, the stator core of the stator is formed by injection molding of ferrite magnets through an injection molding process, the stator core is smooth and clean in appearance, free of defects, high in dimensional accuracy, good in consistency, free of subsequent processing, stable in performance, shock-resistant and impact-resistant.
As an improvement, the pulleys are precise conductive slip rings and are three, and the pulleys are made of a composite material with polysulfone resin as a base body and are formed through processes of injection molding, extrusion molding, mould pressing and the like, so that the pulleys have the advantages of heat resistance, solvent resistance, high strength, high precision, electric insulation and the like.
As an improvement, the platinum thermistor adopts a 3-wire system, the transmission distance reaches 115 meters, and the cross section area of the wire is 1.0mm2。
As an improvement, a wire core of the temperature measurement connecting wire is made of platinum-rhodium alloy, the thermocouple-level temperature range is-50-1768 ℃, the protection level is IP67, and the temperature measurement connecting wire can bear short-circuit fault current of 40kA0.25s and the maximum temperature is 70 kA.
As improvement, the heater is manufactured by adopting a ceramic strip wire penetrating mode, has the characteristics of quick heat dissipation, uniform heating, stable high temperature and the like, can save electric energy without leaking temperature, does not generate the phenomena of leading and lagging of the temperature of controlled air to lead the temperature control drift to be uncertain, is very suitable for automatic control, and can reduce the energy consumption by 30 percent compared with the traditional electric heater.
Drawings
Fig. 1 is a schematic structural diagram of a novel explosion-proof motor.
Fig. 2 is a schematic diagram of a left test structure of the novel explosion-proof motor.
As shown in the figure: 1. the device comprises an external fan, 2, a bearing, 3, an end cover, 4, a cooler, 5, a cover plate, 6, a stator, 7, a rotor, 8, a wind shield, 9, a slip ring, 10, a platinum thermistor, 11, a temperature measurement connecting wire, 12, a galvanized metal hose, 13, a main junction box, 14, a temperature measurement junction box, 15, a heater junction box, 16, an oil injection hole, 17, an oil discharge hole, 18, a heater, 19, a fan cover, 20, a motor main shaft, 21 and a monitoring box.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention relates to a novel explosion-proof motor, which comprises an outer fan 1, a bearing 2, an end cover 3, a cooler 4, a cover plate 5, a stator 6, a rotor 7, a wind shield 8, a slip ring 9, a platinum thermistor 10, a temperature measurement connecting wire 11, a galvanized metal hose 12, a main junction box 13, a temperature measurement junction box 14, a heater junction box 15, an oil injection hole 16, an oil discharge hole 17, a heater 18, a fan cover 19, a motor spindle 20 and a monitoring box 21, wherein the outer fan 1 comprises two groups, namely an outer fan a1-1 and an outer fan b1-2, the end cover 3 comprises an end cover a3-1 and an end cover b3-2, the end cover a3-1 is arranged at one end of the explosion-proof motor, the end cover b3-2 is arranged at the other end of the explosion-proof motor, the outer fan a1-1 is arranged at one end of the motor spindle 20, the motor spindle 20 is provided with a key for positioning and, the outer fan a1-1 is externally provided with a fan cover 19, the fan cover 19 is rotationally fastened with a threaded hole on an end cover 3-1 through a stud, an outer fan b1-2 is arranged on a motor spindle 20, one side of the end cover b3-2 is provided with a key for positioning and fixing the outer fan b1-2, the windshield 8 is arranged on one side of the outer fan b1-2, the stator 6 is arranged on the middle inner wall of the explosion-proof motor, the iron core of the rotor 7 is arranged in the middle of the motor spindle 20 and corresponds to the position of the stator 6, the cooler 4 is arranged on the top of the explosion-proof motor body, the cooler 4 is of a double-fan structure and is fastened on the top of the explosion-proof motor body through bolts, the pulleys 9 are precise conductive slip rings and are three, the pulleys are arranged on a stepped shaft at one end of the motor spindle 20, and the three pulleys 9 are arranged in the monitoring box 21, the three pulleys are fixedly connected with a clamping groove in a monitoring box 21 in a matched mode through bolts and gaskets, the platinum thermistor 10 is arranged on one side of a stator 6 and is fixed on one side of a windshield 8 through fixing bolts, a wire core of the temperature measurement connecting wire 11 is made of platinum-rhodium alloy and is used for connecting the platinum thermistor 10 with the stator 6, the galvanized metal hose 12 is wrapped outside the temperature measurement connecting wire 11, the main junction box 13 is arranged on the side face of a shell of the explosion-proof motor, a box body of the main junction box 13 is of a thin-wall sheet metal structure, the temperature measurement connecting box 14 is arranged on one side of the main junction box 13 and is filled and sealed through epoxy self-drying glue, the heater junction box 15 is arranged on one side of the temperature measurement connecting box 14, the heater junction box 15 is formed through aluminum alloy die casting, high-pressure static spraying is carried out on the surface, the oil injection hole 16 and the oil discharge hole, the heater 18 is made by ceramic strip threading and is arranged at the bottom in the explosion-proof motor.
The outer fan 1 comprises two groups, including an outer fan a1-1 and an outer fan b1-2, which are manufactured by die casting of magnesium aluminum alloy, the fan blade of the outer fan 1 is improved based on an axial flow fan, the specific shape of the fan blade is that the front end is thick and is rounded, the rear end is thin, and the area of the fan blade is large.
Cooler 4 locate the top of explosion proof machine main part, cooler 4 is the double fan structure, adopts vacuum brazing, and the structure is more steady, and the fuselage adopts the aluminum alloy preparation, long service life and stability.
The stator core of the stator 6 is made of injection-molded ferrite magnets and is formed by an injection molding process, so that the appearance is smooth and clean, the defect is avoided, the size precision is high, the consistency is good, the subsequent processing is not needed, the performance is stable, and the shock resistance and the impact resistance are realized.
The pulley 9 is a precise conductive slip ring and is provided with three pulleys, and the pulley 9 is made of a composite material with polysulfone resin as a base body through processes of injection molding, extrusion molding, mould pressing and the like, so that the pulley 9 has the advantages of heat resistance, solvent resistance, high strength, high precision, electric insulation and the like.
The platinum thermistor adopts 3 wires, the transmission distance reaches 115 meters, and the sectional area of the wire is 1.0mm2。
The wire core of the temperature measurement connecting wire 11 is made of platinum-rhodium alloy, the thermocouple temperature range is-50-1768 ℃, the protection grade is IP67, and the temperature measurement connecting wire can bear short-circuit fault current of 40kA0.25s and the maximum temperature is 70 kA.
The heater 18 is made by adopting a ceramic strip wire-threading mode, has the characteristics of quick heat dissipation, uniform heating, stable high temperature and the like, can save electric energy without leaking temperature, can not generate the phenomena of leading and lagging of the temperature of controlled air to lead the drift of temperature control to be uncertain, is very suitable for automatic control, and can reduce the energy consumption by 30 percent compared with the traditional electric heater.
The working principle of the invention is as follows: in the standby process of the explosion-proof motor, the platinum thermistor controls the work of an outer fan or a heater according to the temperature environment inside the motor, so that the temperature inside the explosion-proof motor reaches a specified range interval, a filter gauze is arranged in a fan cover, a main junction box, a temperature measurement junction box and a heater junction box of the explosion-proof motor are arranged on the side surface of a shell of the explosion-proof motor side by side through a nut fixing base, two outer fans are arranged on the explosion-proof motor in the working process and can take away a large amount of heat, the residual heat can be dissipated through an aluminum alloy shell, the heat generated by the internal operation can be quickly dissipated when the novel explosion-proof motor is used, the heat dissipation can be well carried out, the expenditure of the equipment cost is reduced, the service life of the motor is prolonged, the cambered surface sealing strip is adopted by the explosion-proof motor, and a unique welding side plate structure is adopted on, the sealing strip is sealed in order to realize the extrusion between connecting bolt and sideboard, reaches sealed reliable, and main terminal box has increased rupture membrane, because when misoperation or other reasons take place the electrical hazard explosion in the use, rupture membrane splits earlier, and safety release internal pressure to prevent whole terminal box explosion danger.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature, and in the description of the invention, "plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, reference to the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (7)
1. A novel explosion-proof motor comprises an outer fan (1), a bearing (2), an end cover (3), a cooler (4), a cover plate (5), a stator (6), a rotor (7), a windshield (8), a slip ring (9), a platinum thermistor (10), a temperature measurement connecting wire (11), a galvanized metal hose (12), a main junction box (13), a temperature measurement junction box (14), a heater junction box (15), an oil filling hole (16), an oil discharge hole (17), a heater (18), a fan cover (19), a motor spindle (20) and a monitoring box (21), wherein the outer fan (1) comprises two groups, namely an outer fan a (1-1) and an outer fan b (1-2), the end cover (3) comprises an end cover a (3-1) and an end cover b (3-2), and the end cover a (3-1) is arranged at one end of the explosion-proof motor, the end cover b (3-2) is arranged at the other end of the explosion-proof motor, the outer fan a (1-1) is arranged at one end of a motor spindle (20), the motor spindle (20) is provided with a key for positioning and fixing the outer fan a (1-1), a fan cover (19) is arranged outside the outer fan a (1-1), the fan cover (19) is rotationally fastened with a threaded hole on the end cover (3-1) through a stud, the outer fan b (1-2) is arranged on the motor spindle (20) and at one side of the end cover b (3-2), the motor spindle (20) is provided with a key for positioning and fixing the outer fan b (1-2), the wind shield (8) is arranged at one side of the outer fan b (1-2), the stator (6) is arranged on the inner wall in the middle of the explosion-proof motor, the iron core of the rotor (7) is arranged in the middle of the motor spindle (, the temperature measuring device is arranged corresponding to the position of a stator (6), the cooler (4) is arranged at the top of the explosion-proof motor main body, the cooler (4) is of a double-fan structure and is fastened at the top of the explosion-proof motor main body by using bolts, the pulleys (9) are precise conductive slip rings and are three, the three pulleys are arranged on a stepped shaft at one end of a motor main shaft (20), the three pulleys (9) are arranged in a monitoring box (21), the three pulleys are matched and fixedly connected with clamping grooves in the monitoring box (21) by using bolts and gaskets, the platinum thermistor (10) is arranged at one side of the stator (6) and is arranged at one side of a windshield (8) by using a fixing bolt, a wire core of the temperature measuring connecting wire (11) is made of platinum-rhodium alloy and is used for connecting the platinum thermistor (10) and the stator (6), and the galvanized metal hose (12) is wrapped outside the temperature measuring wire (11), main terminal box (13) locate explosion-proof machine's shell side, the box body of main terminal box (13) is thin wall sheet metal construction, temperature measurement terminal box (14) locate one side of main terminal box (13), adopt epoxy from dry adhesive to fill sealed, heater terminal box (15) locate one side of temperature measurement terminal box (14), heater terminal box (15) adopt aluminum alloy die-casting shaping, and surperficial high-pressure static spraying plastics, oil filler point (16) and oil drain hole (17) locate on end cover a (3-1), heater (18) adopt ceramic strip threading mode to make, locate the bottom in explosion-proof machine.
2. The novel explosion-proof motor as claimed in claim 1, characterized in that: the outer fan (1) have two sets, including outer fan a (1-1) and outer fan b (1-2), adopt magnalium die-casting to make, the fan leaf of outer fan (1) is based on axial fan improvement, and specific fan leaf shape is that the front end is thick and the fillet, and the rear end is thin, and the fan leaf area is big.
3. The novel explosion-proof motor as claimed in claim 1, characterized in that: the cooler (4) is arranged at the top of the explosion-proof motor main body, the cooler (4) is of a double-fan structure and is made of vacuum brazing, and the machine body is made of aluminum alloy.
4. The novel explosion-proof motor as claimed in claim 1, characterized in that: the stator core of the stator (6) is formed by injection molding of ferrite magnets through an injection molding process.
5. The novel explosion-proof motor as claimed in claim 1, characterized in that: the pulley (9) is a precise conductive slip ring and is provided with three pulleys, and the pulley (9) is made of a composite material taking polysulfone resin as a base body and is formed by injection molding, extrusion molding, mould pressing and other processes.
6. The novel explosion-proof motor as claimed in claim 1, characterized in that: the platinum thermistor adopts 3 wires, the transmission distance reaches 115 meters, and the sectional area of the wire is 1.0mm2。
7. The novel explosion-proof motor as claimed in claim 1, characterized in that: the wire core of the temperature measurement connecting wire (11) is made of platinum-rhodium alloy, the thermocouple temperature range is-50-1768 ℃, the protection grade is IP67, and the temperature measurement connecting wire can bear short-circuit fault current of 40kA0.25s and the maximum temperature is 70 kA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937375.3A CN110676968A (en) | 2019-09-30 | 2019-09-30 | Novel explosion-proof motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937375.3A CN110676968A (en) | 2019-09-30 | 2019-09-30 | Novel explosion-proof motor |
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| Publication Number | Publication Date |
|---|---|
| CN110676968A true CN110676968A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910937375.3A Pending CN110676968A (en) | 2019-09-30 | 2019-09-30 | Novel explosion-proof motor |
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| CN (1) | CN110676968A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780327A (en) * | 2020-12-31 | 2021-05-11 | 山东东山新驿煤矿有限公司 | Ventilation system for mine |
| CN113595307A (en) * | 2021-07-22 | 2021-11-02 | 武汉市深蓝动力科技有限公司 | Vehicle control unit and explosion-proof device thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04109841A (en) * | 1990-08-29 | 1992-04-10 | Eiji Shinomiya | Explosion-proof armature mechanism |
| US20020047465A1 (en) * | 2000-04-27 | 2002-04-25 | Seung-Il Chang | Structure for preventing flame of alternator for vehicle |
| CN105226897A (en) * | 2015-10-20 | 2016-01-06 | 上海电气集团上海电机厂有限公司 | A kind of high pressure Non-spark Large-power High-Speed self-lubricating threephase asynchronous |
| CN206302244U (en) * | 2016-12-16 | 2017-07-04 | 卧龙电气集团股份有限公司 | A kind of absolutely empty cold positive voltage type anti-explosion motor of 4 significant powers |
| CN109391114A (en) * | 2018-11-14 | 2019-02-26 | 常康华 | A kind of sparkproof Shunt-excited DC Motors Based |
| CN208596988U (en) * | 2018-08-31 | 2019-03-12 | 卧龙电气南阳防爆集团股份有限公司 | A kind of positive pressure explosion-proof type second level box type electric generator |
-
2019
- 2019-09-30 CN CN201910937375.3A patent/CN110676968A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04109841A (en) * | 1990-08-29 | 1992-04-10 | Eiji Shinomiya | Explosion-proof armature mechanism |
| US20020047465A1 (en) * | 2000-04-27 | 2002-04-25 | Seung-Il Chang | Structure for preventing flame of alternator for vehicle |
| CN105226897A (en) * | 2015-10-20 | 2016-01-06 | 上海电气集团上海电机厂有限公司 | A kind of high pressure Non-spark Large-power High-Speed self-lubricating threephase asynchronous |
| CN206302244U (en) * | 2016-12-16 | 2017-07-04 | 卧龙电气集团股份有限公司 | A kind of absolutely empty cold positive voltage type anti-explosion motor of 4 significant powers |
| CN208596988U (en) * | 2018-08-31 | 2019-03-12 | 卧龙电气南阳防爆集团股份有限公司 | A kind of positive pressure explosion-proof type second level box type electric generator |
| CN109391114A (en) * | 2018-11-14 | 2019-02-26 | 常康华 | A kind of sparkproof Shunt-excited DC Motors Based |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780327A (en) * | 2020-12-31 | 2021-05-11 | 山东东山新驿煤矿有限公司 | Ventilation system for mine |
| CN113595307A (en) * | 2021-07-22 | 2021-11-02 | 武汉市深蓝动力科技有限公司 | Vehicle control unit and explosion-proof device thereof |
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Application publication date: 20200110 |