CN209375433U - A kind of desk permanent-magnet governor gaseous film control structure - Google Patents

Abstract

The utility model discloses a kind of desk permanent-magnet governor gaseous film control structures, including governor shell, governor shell two sides outer wall offers through-hole, and two pass through bearing by inner wall respectively and are fixed with output shaft and input shaft, one end of the input shaft has been bolted conductor rotor, and one end of output shaft has been bolted p-m rotor, the p-m rotor has been bolted gaseous film control mechanism close to the side outer wall of conductor rotor, the inner wall of the output shaft and p-m rotor is provided with the same air inlet pipe, the gaseous film control mechanism includes coldplate.The utility model helps the heat dissipation of conductor rotor and p-m rotor by the way that gaseous film control mechanism is arranged on p-m rotor surface; rotor can not directly be protected by solving existing radiator; the temperature between conductor rotor and p-m rotor is detected by temperature sensor, avoids the temperature in rotor excessively high or too low.

Description

A kind of desk permanent-magnet governor gaseous film control structure

Technical field

The utility model relates to permanent-magnet speed governor technical field more particularly to a kind of desk permanent-magnet governor gaseous film control knots Structure.

Background technique

Permanent magnetic speed-adjusting (permanent magnet transmission) is a revolution being driven in history, and structure is simple, reliable for operation, energy-saving Feature is applied in modernization industry well, and which are mainly applied to petroleum, petrochemical industry, electric power, mine, steel, chemical industry, cement etc. The motor driving system energy conservation of industry.

Existing permanent-magnet speed governor is easy to produce a large amount of heat inside governor at work, if radiating meeting not in time Lead to the rotor failure in governor, existing governor uses air-cooled also some water coolings, both grantings that can dissipate mostly Heat but it can not directly protect rotor in governor.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of desk permanent-magnet tune proposed Fast device gaseous film control structure.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of desk permanent-magnet governor gaseous film control structure, including governor shell, governor shell two sides outer wall Through-hole is offered, and two pass through bearing by inner wall respectively and are fixed with output shaft and input shaft, one end of the input shaft It is bolted conductor rotor, and one end of output shaft has been bolted p-m rotor, the p-m rotor is close The side outer wall of conductor rotor has been bolted gaseous film control mechanism, and the inner wall of the output shaft and p-m rotor is provided with The same air inlet pipe, the gaseous film control mechanism includes coldplate, and the top exterior walls of coldplate offer the first groove, described The two sides inner wall of first groove passes through bearing and is fixed with the aeroscopic plate equidistantly distributed, and the side outer wall of aeroscopic plate passes through spiral shell Bolt is fixed with the same pull rod, and the side inner wall of first groove has been bolted electric telescopic rod, and electric expansion The output shaft outer wall articulated linkage of bar, one end of the connecting rod are hinged on the side outer wall of pull rod, the inner wall of the coldplate Bottom interior wall equipped with funnelform air cavity, and the first groove offers the stomata equidistantly distributed.

Preferably, the conductor rotor offers the second groove close to the side outer wall of p-m rotor, and the second groove Inner wall has been bolted temperature sensor, and the size of second groove and the size of p-m rotor match, and temperature The output end of sensor is connected with controller by signal wire.

Preferably, the air cavity is connected with stomata, and air inlet pipe is socketed on the air inlet of air cavity.

Preferably, the governor shell offers ventilation opening close to the two sides of output shaft side outer wall, and two logical Air port inner wall has been bolted Air Filter.

Preferably, the electric telescopic rod is connected with switch by conducting wire, and switch is connected by conducting wire with controller.

The utility model has the following beneficial effects:

1, this desk permanent-magnet governor gaseous film control structure is helped by the way that gaseous film control mechanism is arranged on p-m rotor surface The heat dissipation of conductor rotor and p-m rotor is helped, and adjusts the angle of aeroscopic plate in turn in p-m rotor surface shape in electric telescopic rod At a kind of cooling air film, to protect p-m rotor, rotor can not directly be protected by solving existing radiator.

2, this desk permanent-magnet governor gaseous film control structure, by temperature sensor between conductor rotor and p-m rotor Temperature detected, within the scope of different temperature adjust enter gas rate and aeroscopic plate angle, avoid in rotor Temperature is excessively high or too low.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of desk permanent-magnet governor gaseous film control structure schematic cross-sectional view；

Fig. 2 be the utility model proposes a kind of desk permanent-magnet governor gaseous film control structure gaseous film control mechanism structure Schematic diagram.

In figure: 1 governor shell, 2 input shafts, 3 output shafts, 4 conductor rotors, 5 p-m rotors, 6 temperature sensors, 7 gas Film cooling body, 8 ventilation openings, 9 air inlet pipe, 10 pull rods, 11 electric telescopic rods, 12 connecting rods, 13 stomatas, 14 air cavitys, 15 aeroscopic plates, 16 coldplates.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-2, a kind of desk permanent-magnet governor gaseous film control structure, including governor shell 1, governor shell 1 Two sides outer wall offers through-hole, and two pass through bearing by inner wall respectively and are fixed with output shaft 3 and input shaft 2, input shaft 2 One end be bolted conductor rotor 4, and one end of output shaft 3 has been bolted p-m rotor 5, p-m rotor 5 have been bolted gaseous film control mechanism 7, the inner wall of output shaft 3 and p-m rotor 5 close to the side outer wall of conductor rotor 4 It is provided with the same air inlet pipe 9, gaseous film control mechanism 7 includes coldplate 16, and the top exterior walls of coldplate 16 offer first Groove, the two sides inner wall of the first groove pass through bearing and are fixed with the aeroscopic plate 15 equidistantly distributed, and the side of aeroscopic plate 15 Outer wall has been bolted the same pull rod 10, and the side inner wall of the first groove has been bolted electric telescopic rod 11, And the output shaft outer wall articulated linkage 12 of electric telescopic rod 11, one end of connecting rod 12 is hinged on the side outer wall of pull rod 10, cold But the inner wall of plate 16 is equipped with funnelform air cavity 14, and the bottom interior wall of the first groove offers the stomata 13 equidistantly distributed, Conductor rotor 4 offers the second groove close to the side outer wall of p-m rotor 5, and the inner wall of the second groove has been bolted Temperature sensor 6, the size of the second groove and the size of p-m rotor 5 match, and the output end of temperature sensor 6 passes through letter Number line is connected with controller, and air cavity 14 is connected with stomata 13, and air inlet pipe 9 is socketed on the air inlet of air cavity 14, governor Shell 1 offers ventilation opening 8 close to the two sides of 3 side outer wall of output shaft, and two 8 inner walls of ventilation opening have been bolted Air Filter, electric telescopic rod 11 is connected with switch by conducting wire, and switch is connected by conducting wire with controller, the type of controller Number be DATA-7311.

Working principle: in use, conductor rotor 4 and p-m rotor 5 are also opened when output shaft 3 and input shaft 2 start turning Begin to rotate, while the temperature in the air gap between two rotors increases, the control for the temperature feedback that temperature sensor 6 will test Device, controller control cold air are input to inside governor by air inlet pipe, illustrate that temperature reaches when aeroscopic plate 15 fully opens Maximum range, cold air come out on the surface and rebound for touching conductor rotor 4 from coldplate 16 from conductor rotor 4 and permanent magnetism Gap outflow between rotor 5, is finally discharged from ventilation opening 8 and takes the high temperature in governor out of, when temperature is in certain range Interior, adjusting aeroscopic plate 15 is at an angle in turn for 11 pushing drawing rod 10 of electric telescopic rod, and cold air is also with the angle of aeroscopic plate 15 Change and change airflow direction, forming cooling air film on the surface of p-m rotor 5 protects p-m rotor 5, avoids p-m rotor 5 Temperature it is excessively high and be damaged, controller control cold air stops input when temperature is lower than a certain range.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of desk permanent-magnet governor gaseous film control structure, including governor shell (1), which is characterized in that the governor Shell (1) two sides outer wall offers through-hole, and two pass through bearing by inner wall respectively and are fixed with output shaft (3) and input shaft (2), one end of the input shaft (2) has been bolted conductor rotor (4), and one end of output shaft (3) is solid by bolt Surely have p-m rotor (5), it is cold that side outer wall of the p-m rotor (5) close to conductor rotor (4) has been bolted air film But the inner wall of mechanism (7), the output shaft (3) and p-m rotor (5) is provided with the same air inlet pipe (9), the gaseous film control Mechanism (7) includes coldplate (16), and the top exterior walls of coldplate (16) offer the first groove, the two sides of first groove Inner wall passes through bearing and is fixed with the aeroscopic plate (15) equidistantly distributed, and the side outer wall of aeroscopic plate (15) is bolted Have the same pull rod (10), the side inner wall of first groove has been bolted electric telescopic rod (11), and electronic stretches One end of the output shaft outer wall articulated linkage (12) of contracting bar (11), the connecting rod (12) is hinged on the side outer wall of pull rod (10) On, the inner wall of the coldplate (16) is equipped with funnelform air cavity (14), and the bottom interior wall of the first groove offer it is equidistant The stomata (13) of distribution.

2. a kind of desk permanent-magnet governor gaseous film control structure according to claim 1, which is characterized in that the conductor turns The side outer wall of sub (4) close to p-m rotor (5) offers the second groove, and the inner wall of the second groove has been bolted temperature It spends sensor (6), the size of second groove and the size of p-m rotor (5) match, and the output of temperature sensor (6) End is connected with controller by signal wire.

3. a kind of desk permanent-magnet governor gaseous film control structure according to claim 1, which is characterized in that the air cavity (14) it is connected with stomata (13), and air inlet pipe (9) is socketed on the air inlet of air cavity (14).

4. a kind of desk permanent-magnet governor gaseous film control structure according to claim 1, which is characterized in that the governor Shell (1) offers ventilation opening (8) close to the two sides of output shaft (3) side outer wall, and two ventilation opening (8) inner walls pass through spiral shell Bolt is fixed with Air Filter.

5. a kind of desk permanent-magnet governor gaseous film control structure according to claim 1, which is characterized in that described electronic to stretch Contracting bar (11) is connected with switch by conducting wire, and switch is connected by conducting wire with controller.