[go: up one dir, main page]

CN222654942U - An external heat dissipation component for explosion-proof motor - Google Patents

An external heat dissipation component for explosion-proof motor Download PDF

Info

Publication number
CN222654942U
CN222654942U CN202421263054.2U CN202421263054U CN222654942U CN 222654942 U CN222654942 U CN 222654942U CN 202421263054 U CN202421263054 U CN 202421263054U CN 222654942 U CN222654942 U CN 222654942U
Authority
CN
China
Prior art keywords
annular
heat dissipation
arc
collecting cover
fan blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202421263054.2U
Other languages
Chinese (zh)
Inventor
蔡伯璋
蔡妙顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Pinxing Explosion Proof Motor Co ltd
Original Assignee
Jiangsu Pinxing Explosion Proof Motor Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Pinxing Explosion Proof Motor Co ltd filed Critical Jiangsu Pinxing Explosion Proof Motor Co ltd
Priority to CN202421263054.2U priority Critical patent/CN222654942U/en
Application granted granted Critical
Publication of CN222654942U publication Critical patent/CN222654942U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

本实用新型公开了一种防爆电机的外置散热组件,涉及防爆电机技术领域,包括侧壁上沿周向间隔设置有多个散热翅片的机壳,还包括环形扇叶、环形集风罩和扇叶驱动组件,环形集风罩套设在机壳的一端,环形集风罩具有贯穿其后端的环形腔,环形扇叶转动设置在环形腔内,扇叶驱动组件设置在环形集风罩上,并与环形扇叶连接;环形集风罩的前端设有连通环形腔的弧形出风孔,且环形集风罩的前端设有与弧形出风孔连通的弧形导流管,弧形导流管的出风端设有布风板,布风板设有多个朝向相邻散热翅片之间的支流出风孔,不仅方便了外置散热组件的拆装,也有利减小外置散热组件对机壳自然散热造成的负面影响,且散热效果好。

The utility model discloses an external heat dissipation component of an explosion-proof motor, which relates to the technical field of explosion-proof motors, including a casing with a plurality of heat dissipation fins arranged at intervals in the circumferential direction on the side wall, and also including an annular fan blade, an annular wind collecting cover and a fan blade driving component. The annular wind collecting cover is sleeved on one end of the casing, the annular wind collecting cover has an annular cavity running through its rear end, the annular fan blade is rotatably arranged in the annular cavity, the fan blade driving component is arranged on the annular wind collecting cover and is connected to the annular fan blade; the front end of the annular wind collecting cover is provided with an arc-shaped air outlet hole connected to the annular cavity, and the front end of the annular wind collecting cover is provided with an arc-shaped guide pipe connected to the arc-shaped air outlet hole, the air outlet end of the arc-shaped guide pipe is provided with an air distribution plate, and the air distribution plate is provided with a plurality of branch air outlet holes facing between adjacent heat dissipation fins, which not only facilitates the disassembly and assembly of the external heat dissipation component, but also helps to reduce the negative impact of the external heat dissipation component on the natural heat dissipation of the casing, and the heat dissipation effect is good.

Description

External heat radiation assembly of explosion-proof motor
Technical Field
The utility model relates to the technical field of explosion-proof motors, in particular to an external heat dissipation assembly of an explosion-proof motor.
Background
The explosion-proof motor is a motor which can be used in flammable and explosive places and does not generate electric spark during operation. The explosion-proof motor is mainly used in coal mines, petroleum and natural gas, petrochemical industry and chemical industry. In addition, the method is widely applied to the departments of textile, metallurgy, urban fuel gas, traffic, grain and oil processing, papermaking, medicine and the like. Explosion-proof motors are used as the primary power equipment, typically to drive pumps, fans, compressors, and other transmission machinery.
The existing explosion-proof motor has poor heat dissipation effect due to the explosion-proof requirement, and the motor is inconvenient to normally dissipate heat.
Disclosure of utility model
The utility model aims to provide an external heat dissipation assembly of an explosion-proof motor so as to solve the technical problems.
Based on the above object, the utility model provides an external heat dissipation assembly of an explosion-proof motor, which comprises a shell, annular fan blades, an annular wind collecting cover and a fan blade driving assembly, wherein a plurality of heat dissipation fins are arranged on the side wall of the shell at intervals along the circumferential direction;
The front end of annular collection fan housing is equipped with the arc apopore of intercommunication annular chamber, just the front end of annular collection fan housing is equipped with the arc honeycomb duct with arc apopore intercommunication, the air-out end of arc honeycomb duct is equipped with the air distribution plate, the air distribution plate is equipped with a plurality of tributary apopores between the adjacent radiating fin of orientation.
Further, the two sides of the annular wind collecting cover are provided with arc-shaped wind outlet holes and arc-shaped flow guide pipes, the arc-shaped flow guide pipes are connected at the two sides, and the width of the arc-shaped flow guide pipes is gradually reduced in the wind direction away from the annular wind collecting cover.
Further, a circular tube is arranged at the branch air outlet, the circular tube is inserted between the adjacent radiating fins, and a plurality of spiral grooves are formed in the inner wall of the circular tube, so that air flow passing through the circular tube rotates.
Further, the ring-shaped fan blade comprises an inner guard ring, an outer guard ring and blades, wherein the outer guard ring and the inner guard ring are coaxially arranged, the inner guard ring is rotatably arranged in the ring-shaped cavity through a bearing, and the inner wall of the outer guard ring is connected with the outer wall of the inner guard ring through a plurality of blades which are circumferentially distributed at intervals;
further, the outer guard ring is sleeved with an outer tooth guard ring, the fan blade driving assembly comprises a driving motor and a driving gear, the driving motor is arranged on the machine shell and is in transmission connection with the outer tooth guard ring through the driving gear, and a notch for the driving gear to be inserted into the annular cavity is formed in the outer side wall of the annular wind collecting cover.
Further, a plurality of first strip-shaped holes are formed in the inner side wall of the annular wind collecting cover along the circumferential direction, and a plurality of second strip-shaped holes are formed in the inner retainer and located between adjacent blades.
Further, the rear end of the annular wind collecting cover is provided with an annular cover plate, and a plurality of wind inlet holes are formed in the annular cover plate along the circumferential direction.
The utility model has the beneficial effects that:
1. The annular wind collecting cover sleeved at the tail end of the shell is used as the base, so that the disassembly and assembly of the external heat radiating component are convenient, and compared with a mode that the external heat radiating component is arranged at the top of the shell in general, the negative influence of the external heat radiating component on the natural heat radiation of the shell is reduced;
2. According to the utility model, the annular wind collecting cover and the arc-shaped flow guide pipe are utilized to blow the air flow generated by the annular fan to the gaps among the plurality of adjacent fins on the side surface of the shell so as to accelerate the heat dissipation of the explosion-proof motor, and the problem that the heat dissipation efficiency of the explosion-proof motor is poor because the plurality of heat dissipation fins on the side surface of the shell are subjected to multiple obstruction from the plurality of heat dissipation fins in the rising process of hot air after the air is heated is solved.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the annular cover plate of the present utility model;
FIG. 3 is a front view of FIG. 1 of the present utility model;
FIG. 4 is a schematic view of the structure of the annular wind collecting hood and the arc-shaped flow guiding pipe of the present utility model;
FIG. 5 is a schematic view of the internal structure of the annular air collecting hood of the present utility model;
FIG. 6 is a schematic view of the structure of the annular air collecting hood of the present utility model;
FIG. 7 is a schematic view of the internal structure of an arc-shaped flow guiding tube according to the present utility model
FIG. 8 is a schematic view of a ring fan blade according to the present utility model.
The reference numerals in the figures are:
1-radiating fins, 2-shell, 3-annular fan blades, 4-annular wind collecting cover, 5-fan blade driving component, 6-annular cavity, 7-arc air outlet hole, 8-arc honeycomb duct, 9-air distribution plate, 10-branch air outlet hole, 11-circular tube, 12-air inlet hole, 13-external tooth retainer and 14-annular cover plate;
301-inner retainer, 302-outer retainer, 303-vane;
501-driving motor and 502-driving gear.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 8, an external heat dissipation assembly of an explosion-proof motor comprises a casing 2, an annular fan blade 3, an annular air collecting cover 4 and a fan blade driving assembly 5, wherein a plurality of heat dissipation fins 1 are arranged on the side wall of the casing 2 at intervals along the circumferential direction, the annular air collecting cover 4 is sleeved at one end of the casing 2, the annular air collecting cover 4 is provided with an annular cavity 6 penetrating through the rear end of the annular air collecting cover, the annular fan blade 3 is rotatably arranged in the annular cavity 6, and the fan blade driving assembly 5 is arranged on the annular air collecting cover 4 and is connected with the annular fan blade 3;
The front end of annular collection fan housing 4 is equipped with the arc apopore 7 of intercommunication annular chamber 6, and the front end of annular collection fan housing 4 be equipped with the arc honeycomb duct 8 of arc apopore 7 intercommunication, the air-out end of arc honeycomb duct 8 is equipped with air distribution plate 9, air distribution plate 9 is equipped with a plurality of tributary apopores 10 between the adjacent radiating fin 1 of orientation.
The annular wind collecting cover 4 is sleeved and arranged at the tail end of the shell 2, the arc-shaped flow guide pipe 8 is positioned on the side surface of the shell 2, which is densely provided with the radiating fins 1, when the fan blade driving assembly 5 drives the annular fan blades 3 to rotate, air flow can be driven to sequentially pass through the arc-shaped flow guide pipe 8 and a plurality of branch air outlets on the air distribution plate 9, and the air flow is blown into gaps between a plurality of adjacent radiating fins 1, so that the heat dissipation of the shell 2 is accelerated, and the aim of cooling an explosion-proof motor is fulfilled.
In comparison with the conventional external heat dissipation mode of the motor, the external heat dissipation component takes the annular wind collecting cover 4 sleeved at the tail end of the shell 2 as a base, so that the external heat dissipation component is convenient to disassemble and assemble, and negative influence of the external heat dissipation component on natural heat dissipation of the shell 2 is reduced compared with the mode of arranging the external heat dissipation component at the top of the shell 2. And, solve a plurality of radiating fins 1 of casing 2 side behind with the air heating, can receive the multiple hindrance from a plurality of radiating fins 1 because of the hot air in-process that rises, lead to explosion-proof motor radiating efficiency's problem relatively poor.
Further, the two sides of the annular wind collecting cover 4 are provided with arc-shaped wind outlet holes 7 and arc-shaped flow guide pipes 8, the arc-shaped flow guide pipes 8 on the two sides are connected, and the width of the arc-shaped flow guide pipes 8 is gradually reduced in the wind direction away from the annular wind collecting cover 4, so that the air flow in the annular wind collecting cover 4 is respectively divided by the arc-shaped flow guide pipes 8 on the two sides and intensively blown to the two sides of the shell 2, and the arc-shaped flow guide pipes 8 are arranged on the two sides of the shell 2, so that on one hand, a controller at the top of the shell 2 is avoided, the space at the bottom of the shell 2 is difficult to meet the requirement of arranging the arc-shaped flow guide pipes 8, and the top and the bottom of the shell 2 are not provided with radiating fins or are not provided with radiating fins. On the other hand, because the heated air near the side surface of the casing 2 is blocked by the radiating fins 1 above in the rising process, the heat dissipation at the two sides of the casing 2 is affected, and therefore, the arc-shaped flow guide pipes 8 are arranged at the two sides of the casing 2, so that the hot air at the two sides of the casing 2 and between the adjacent radiating fins 1 is discharged from the front under the blowing of the air flow, and the heat dissipation and the temperature reduction of the casing 2 are more favorable.
It is further optimized in the above embodiment that the branch air outlet hole 10 is provided with a circular tube 11, the circular tube 11 is inserted between the adjacent heat dissipation fins 1, and a plurality of spiral grooves are provided on the inner wall of the circular tube 11, so that the air flow passing through the circular tube 11 rotates, after the air flow rotates, the columnar air flow is beneficial to fully exchanging heat with the casing 2 and the heat dissipation fins 1, the negative pressure at the air flow can be increased, the diffusion of the air flow is beneficial to slow down, and the air nearby is beneficial to be attracted, so that the heat dissipation and the temperature reduction of the casing 2 are further beneficial.
The ring fan blade 3 includes an inner shroud 301, an outer shroud 302, and blades 303, the outer shroud 302 and the inner shroud 301 are coaxially disposed, the inner wall of the outer shroud 302 is connected with the outer wall of the inner shroud 301 through a plurality of blades 303 circumferentially spaced apart, and it is known that the blades 303 are obliquely disposed, so that air in front can be pushed to generate air flow along with rotation.
The external tooth guard ring 13 is sleeved on the external tooth guard ring 302, the fan blade driving assembly 5 comprises a driving motor 501 and a driving gear 502, the driving motor 501 is arranged on the machine shell 2 and is in transmission connection with the external tooth guard ring 13 through the driving gear 502, and a notch for the driving gear 502 to be inserted into the annular cavity 6 is formed in the outer side wall of the annular wind collecting cover 4.
It is further optimized in the above embodiment that a plurality of first strip-shaped holes are circumferentially arranged on the inner side wall of the annular wind collecting cover 4, and a plurality of second strip-shaped holes 15 are arranged on the inner retainer 301 and between the adjacent blades 303, so that the part of the casing 2 where the annular wind collecting cover 4 is arranged can radiate heat.
It is further optimized in the above embodiment that the rear end of the annular wind collecting cover 4 is provided with an annular cover plate 14, and a plurality of wind inlet holes 12 are circumferentially arranged on the annular cover plate 14, so as to facilitate the protection of the annular fan blades 3.
It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims (6)

1.一种防爆电机的外置散热组件,包括侧壁上沿周向间隔设置有多个散热翅片(1)的机壳(2),其特征在于,还包括环形扇叶(3)、环形集风罩(4)和扇叶驱动组件(5),所述环形集风罩(4)套设在机壳(2)的一端,所述环形集风罩(4)具有贯穿其后端的环形腔(6),所述环形扇叶(3)转动设置在环形腔(6)内,所述扇叶驱动组件(5)与所述环形扇叶(3)连接;1. An external heat dissipation assembly of an explosion-proof motor, comprising a casing (2) on which a plurality of heat dissipation fins (1) are arranged at intervals along the circumferential direction on the side wall, characterized in that it also comprises an annular fan blade (3), an annular wind collecting cover (4) and a fan blade driving assembly (5), wherein the annular wind collecting cover (4) is sleeved on one end of the casing (2), the annular wind collecting cover (4) has an annular cavity (6) penetrating the rear end thereof, the annular fan blade (3) is rotatably arranged in the annular cavity (6), and the fan blade driving assembly (5) is connected to the annular fan blade (3); 所述环形集风罩(4)的前端设有连通环形腔(6)的弧形出风孔(7),且所述环形集风罩(4)的前端设有与弧形出风孔(7)连通的弧形导流管(8),所述弧形导流管(8)的出风端设有布风板(9),所述布风板(9)设有多个朝向相邻散热翅片(1)之间的支流出风孔(10)。The front end of the annular air collecting hood (4) is provided with an arc-shaped air outlet hole (7) connected to the annular cavity (6), and the front end of the annular air collecting hood (4) is provided with an arc-shaped flow guide pipe (8) connected to the arc-shaped air outlet hole (7), and the air outlet end of the arc-shaped flow guide pipe (8) is provided with an air distribution plate (9), and the air distribution plate (9) is provided with a plurality of branch air outlet holes (10) facing between adjacent heat dissipation fins (1). 2.根据权利要求1所述的一种防爆电机的外置散热组件,其特征在于,所述环形集风罩(4)的两侧均设置有弧形出风孔(7)和弧形导流管(8),两侧所述弧形导流管(8)相连接,且所述弧形导流管(8)的宽度在远离环形集风罩(4)的风向上逐渐减小。2. An external heat dissipation assembly for an explosion-proof motor according to claim 1, characterized in that arc-shaped air outlet holes (7) and arc-shaped flow guide pipes (8) are provided on both sides of the annular wind collecting cover (4), the arc-shaped flow guide pipes (8) on both sides are connected, and the width of the arc-shaped flow guide pipes (8) gradually decreases in the wind direction away from the annular wind collecting cover (4). 3.根据权利要求1所述的一种防爆电机的外置散热组件,其特征在于,所述支流出风孔(10)处设置有圆管(11),所述圆管(11)插入相邻散热翅片(1)之间,且所述圆管(11)的内壁上设置有多道螺旋槽,以使经过所述圆管(11)的气流发生旋转。3. An external heat dissipation component for an explosion-proof motor according to claim 1, characterized in that a round tube (11) is provided at the branch air outlet (10), the round tube (11) is inserted between adjacent heat dissipation fins (1), and a plurality of spiral grooves are provided on the inner wall of the round tube (11) so that the airflow passing through the round tube (11) rotates. 4.根据权利要求1所述的一种防爆电机的外置散热组件,其特征在于,所述环形扇叶(3)包括内护圈(301)、外护圈(302)和叶片(303),所述外护圈(302)和内护圈(301)同轴设置,所述内护圈(301)通过轴承转动设置在环形腔(6)内,所述外护圈(302)内壁与内护圈(301)外壁通过周向间隔分布的多个叶片(303)连接。4. An external heat dissipation component of an explosion-proof motor according to claim 1, characterized in that the annular fan blade (3) comprises an inner guard ring (301), an outer guard ring (302) and blades (303), the outer guard ring (302) and the inner guard ring (301) are coaxially arranged, the inner guard ring (301) is rotatably arranged in the annular cavity (6) through a bearing, and the inner wall of the outer guard ring (302) and the outer wall of the inner guard ring (301) are connected through a plurality of blades (303) distributed circumferentially. 5.根据权利要求4所述的一种防爆电机的外置散热组件,其特征在于,所述外护圈(302)上套设有外齿护圈(13),所述扇叶驱动组件(5)包括驱动电机(501)和驱动齿轮(502),所述驱动电机(501)设置在机壳(2)上,并通过所述驱动齿轮(502)与外齿护圈(13)传动连接,所述环形集风罩(4)的外侧壁上设有供驱动齿轮(502)插入环形腔(6)的缺口。5. An external heat dissipation assembly for an explosion-proof motor according to claim 4, characterized in that an external toothed guard ring (13) is sleeved on the outer guard ring (302), the fan blade drive assembly (5) comprises a drive motor (501) and a drive gear (502), the drive motor (501) is arranged on the casing (2), and is transmission-connected to the external toothed guard ring (13) through the drive gear (502), and a notch is provided on the outer side wall of the annular wind collecting cover (4) for the drive gear (502) to be inserted into the annular cavity (6). 6.根据权利要求1所述的一种防爆电机的外置散热组件,其特征在于,所述环形集风罩(4)的后端设置有环形盖板(14),所述环形盖板(14)上沿周向设有多个进风孔(12)。6. An external heat dissipation assembly for an explosion-proof motor according to claim 1, characterized in that an annular cover plate (14) is provided at the rear end of the annular air collecting cover (4), and a plurality of air inlet holes (12) are provided on the annular cover plate (14) along the circumferential direction.
CN202421263054.2U 2024-06-04 2024-06-04 An external heat dissipation component for explosion-proof motor Active CN222654942U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202421263054.2U CN222654942U (en) 2024-06-04 2024-06-04 An external heat dissipation component for explosion-proof motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202421263054.2U CN222654942U (en) 2024-06-04 2024-06-04 An external heat dissipation component for explosion-proof motor

Publications (1)

Publication Number Publication Date
CN222654942U true CN222654942U (en) 2025-03-21

Family

ID=95015106

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202421263054.2U Active CN222654942U (en) 2024-06-04 2024-06-04 An external heat dissipation component for explosion-proof motor

Country Status (1)

Country Link
CN (1) CN222654942U (en)

Similar Documents

Publication Publication Date Title
US10052931B2 (en) Outdoor cooling unit in vehicle air-conditioning apparatus
CN205559169U (en) Wind -driven generator and wind -driven generator set
CN117155002B (en) Motor rotor heat abstractor and motor
CN222654942U (en) An external heat dissipation component for explosion-proof motor
CN215120455U (en) Heat dissipation motor rotor
CN107906046B (en) Fan impeller
CN216904522U (en) An explosion-proof motor casing with high heat dissipation efficiency
CN108180521A (en) Fume extractor
CN209654278U (en) Axial flow blower is used in a kind of cutting of building materials
WO2023165249A1 (en) Mining explosion-proof three-phase permanent magnet synchronous drum
CN217270871U (en) Centrifugal pump with good heat dissipation effect
CN215871028U (en) Efficient air cooling structure applied to motor
CN216742086U (en) Axial fan subassembly and axial fan
CN213839030U (en) Heat-resisting centrifugal fan
CN111911425B (en) Centrifugal fans and air conditioners
CN111245144B (en) Efficient three-phase asynchronous motor
CN212672082U (en) High-temperature fan
WO2023245781A1 (en) Generator set suction type permanent magnet generator cooling device based on guiding and isolation
CN219220791U (en) Heat radiation fan cover and equipment with heat radiation fan
CN209472477U (en) A decorative ceiling fan motor with enhanced heat dissipation
CN202370639U (en) Cooling system for exhaust pipe of vehicle
CN113236572A (en) High-temperature pump
CN221032934U (en) Impeller, main shaft system heat radiation structure and wind generating set
CN213928797U (en) High-efficient centrifugal fan is used to cooler
CN221103106U (en) Motor casing suitable for fan motor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant