CN105351229A - Draught fan - Google Patents
Draught fan Download PDFInfo
- Publication number
- CN105351229A CN105351229A CN201510882656.5A CN201510882656A CN105351229A CN 105351229 A CN105351229 A CN 105351229A CN 201510882656 A CN201510882656 A CN 201510882656A CN 105351229 A CN105351229 A CN 105351229A
- Authority
- CN
- China
- Prior art keywords
- casing
- blower fan
- rotating shaft
- permanent magnet
- resistance wire
- 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.)
- Granted
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5853—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps heat insulation or conduction
Abstract
The invention discloses a draught fan. According to the technical scheme, the draught fan is characterized in that the draught fan comprises a machine shell; an air inlet and an air outlet are formed in the machine shell; a rotating mechanism and a fan blade motor driving the rotating mechanism to rotate are arranged inside the machine shell; a heating device used for heating airflow and a heat preservation device are arranged on the machine shell. The heating device used for heating the airflow and the heat preservation device are arranged on the machine shell in order to meet the requirements of different using occasions. By arranging the heating device, the airflow can be heated, and then it can be ensured that the airflow blown out through an air blower has a certain temperature, so that the using requirements of the different occasions are met. By arranging the heat preservation device, the dissipation of heat generated by the heating device can be avoided, so that the loss of energy is avoided.
Description
Technical field
The present invention relates to a kind of ventilation equipment, more particularly, it relates to a kind of blower fan.
Background technique
Blower fan is widely used in factory, mine, tunnel, cooling tower, vehicle, the ventilation of boats and ships and building, dust discharge and cooling; The ventilation of boiler and industrial furnace and air inducing; Cooling in the apparatus of air conditioning and domestic electric appliance and ventilation; The oven dry of cereal and selecting and recommending; The inflation of wind-tunnel wind regime and Hovercraft and propelling etc.The working principle of blower fan is substantially identical with turbocompressor, and just because gas flow rate is lower, pressure change is little, does not generally need the change considering gas specific volume, namely using gas as incompressible fluid process.
In order to solve the problems of the technologies described above, application number be 201510617072.5 invention provide a kind of blower fan, rotating disk center side is fixedly connected with spreader, and spreader is between the leg-of-mutton minimum sharp-angled apex in all blade places.Spreader is conical.Air intake passage port is fixedly communicated with air intake cylinder, air intake cylinder is positioned at rotating disk outer side surface, be triangle by the blade design of blower fan, and hypotenuse is obliquely installed, after large stretch of material is sucked into shell, can be thrown out of through this hypotenuse, can not be trapped on blade, therefore can not block blower fan, using effect is good.
But when reality uses, because of the change of the aspects such as production, technique, need the flow of frequent adjustments of gas, pressure, temperature, the wind of blower fan blowout needs to have certain temperature, so just require that blower fan has certain heating and heat insulation function, but the structure of the shell of existing blower fan is very simple, and can not heat the air-flow through blower fan, function is limited; In addition, when reality uses, blade belongs to easily damaged parts, and the structure of blade is very simple, and blade very easily weares and teares, and the working life of blade is not high.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of blower fan, the use needs under making it meet different situations can be heated the air-flow through shell.
For achieving the above object, the invention provides following technological scheme: a kind of blower fan, comprise casing, intake grill and exhaust outlet is provided with in described casing, the blade motor being provided with rotating machinery in described casing and driving rotating machinery to rotate, described casing is provided with the heating equipment and thermal insulation apparatus that heat air-flow.
By adopting technique scheme, in order to the needs of satisfied different use occasion, casing is provided with the heating equipment and thermal insulation apparatus that heat air-flow.By arranging heating equipment, can heat air-flow, and then can ensure that the air-flow that blower blows out has certain temperature, adapt to the use needs of different occasion, arrange thermal insulation apparatus, the heat that heating equipment can be avoided to produce dissipates, and avoids the loss of energy.
Preferably, described heating equipment comprises the resistance wire be arranged on housing, and described casing is provided with the power supply part of powering to resistance wire.
By adopting technique scheme, by arranging resistance wire and power supply part, the heating that can realize, and then the heating that can realize gas flow temperature, structure is simple, easy to operate.
Preferably, described thermal insulation apparatus comprises the heat keeper be arranged on casing, and described resistance wire is arranged between heat keeper and casing.
By adopting technique scheme, by arranging heat keeper, the heat loss that resistance wire can be avoided to produce, avoids the waste of the energy.Heat keeper is arranged on the outside of resistance wire, directly can be incubated resistance wire, serves very good heat insulation effect.
Preferably, described rotating machinery comprises fan blade, and described fan blade is provided with rotating shaft, described rotating shaft and casing are rotationally connected, described power supply part comprises the permanent magnet be arranged in rotating shaft, and described casing is positioned at permanent magnet outside and is provided with coil, described coil is connected with resistance wire.
By adopting technique scheme, by arranging coil and resistance wire, do not need to select extra power supply, also can realize the power supply of resistance wire, the mechanical energy of fan blade is partially converted to the heat energy of resistance wire, achieve the recycling of resource, reduce energy consumption, environmental protection
Preferably, the outer surface of described fan blade is provided with wearing layer.
By adopting technique scheme, improving the wear-resisting property of fan blade, extending the working life of fan blade.
Preferably, described wearing layer comprises silicon carbide-containing polyether sulfone wear-resistant paint layer.
By adopting technique scheme, silicon carbide-containing polyether sulfone wear-resistant paint layer has good adhesion, impact resistance, excellent corrosion resistance, and polyethersulfone resin may be used for preparing water-borne coating, not only environmental protection but also convenient construction.
Preferably, described permanent magnet is provided with the fixed component be fixedly installed on by permanent magnet in rotating shaft.
By adopting technique scheme, by arranging fixed component, the replacing of permanent magnet can be realized very easily, easy to maintenance.
Preferably, described fixed component comprises the sleeve being set in rotating shaft outside, and described permanent magnet is fixed on sleeve, and described sleeve is threaded the bolt that can abut with rotating shaft.
By adopting technique scheme, by arranging cover and bolt, can realize the fixing of permanent magnet, structure is simple, and easy to operate, cost is low.
Accompanying drawing explanation
Fig. 1 is the assembled view one of blower fan embodiment of the present invention;
Fig. 2 is the assembled view two of blower fan embodiment of the present invention;
Fig. 3 is the assembling explosive view of blower fan embodiment of the present invention;
Fig. 4 is A portion enlarged view in Fig. 3;
Fig. 5 is the rotating shaft assembling explosive view of blower fan embodiment of the present invention.
In figure: 1, casing; 11, intake grill; 12, exhaust outlet; 2, air intake cylinder; 3, blade motor; 4, fan blade; 41, wearing layer; 5, rotating shaft; 6, sleeve; 61, permanent magnet; 62, bolt; 7, coil; 8, resistance wire; 9, heat keeper.
Embodiment
Referring to figs. 1 through Fig. 5, the embodiment of the present invention is described further.
A kind of blower fan, comprise casing 1, intake grill 11 and exhaust outlet 12 is provided with in casing 1, intake grill 11 place is fixedly connected with air intake cylinder 2, air intake cylinder 2 can play guiding function to air-flow, fan blade 4 motor 3 being provided with rotating machinery and driving rotating machinery to rotate in casing 1, rotating machinery plays the effect driving air motion, rotating machinery comprises fan blade 4, fan blade 4 is provided with rotating shaft 5, rotating shaft 5 is stretched out casing 1 and is arranged, the part that casing 1 is stretched out in rotating shaft 5 is connected with fan blade 4 motor 3, during work, fan blade 4 motor 3 drives fan blade 4 to rotate, realize the flowing of air-flow, in order to the needs of satisfied different use occasion, casing 1 is provided with the heating equipment and thermal insulation apparatus that heat air-flow.By arranging heating equipment, can heat air-flow, and then can ensure that the air-flow that blower blows out has certain temperature, adapt to the use needs of different occasion, arrange thermal insulation apparatus, the heat that heating equipment can be avoided to produce dissipates, and avoids the loss of energy.
In the present embodiment, heating equipment comprises the resistance wire 8 be arranged on housing, casing 1 is provided with the power supply part of powering to resistance wire 8, by arranging resistance wire 8, under the effect of power supply part, resistance wire 8 can produce heat, casing 1 is heated, and then can the air-flow flow through in casing 1 be heated, meet the use needs of different Environmental Conditions, resistance wire 8 and housing are fitted and are arranged or be embedded in housing, and the heat that such resistance wire 8 produces can be directly delivered on housing, avoids heat loss.Thermal insulation apparatus comprises the heat keeper 9 be arranged on casing 1; heat keeper 9 is made up of expanded polyethylene foam or other thermal insulating materials; heat keeper 9 is bonded on casing 1; by arranging heat keeper 9; can play a protective role to casing 1; resistance wire 8 is arranged between heat keeper 9 and casing 1, and such heat keeper 9 can be incubated the heat that resistance wire 8 produces, and avoids heat and occurs to scatter and disappear.
Power supply part comprises the permanent magnet 61 be arranged in rotating shaft 5, casing 1 is positioned at permanent magnet 61 outside and is provided with coil 7, in the rotation process of rotating shaft 5, permanent magnet 61 coordinates with coil 7, pass through electromagnetic induction, generation current is got final product in coil 7, resistance wire 8 is powered, by permanent magnet 61 and coil 7, do not need to select extra power supply, can realize the power supply of resistance wire 8 yet, the mechanical energy of fan blade 4 is partially converted to the heat energy of resistance wire 8, achieve the recycling of resource, reduce energy consumption, environmental protection.
In order to improve the wear-resisting property of fan blade 4, be provided with wearing layer 41 in the outside of fan blade 4.In the present embodiment, wearing layer 41 comprises silicon carbide-containing polyether sulfone wear-resistant paint layer.Silicon carbide-containing polyether sulfone wear-resistant paint layer is applied by silicon carbide-containing polyether sulfone wear-resistant paint and forms, polyethersulfone resin base coating has good adhesion, impact resistance, excellent corrosion resistance, and polyethersulfone resin may be used for preparing water-borne coating, not only environmental protection but also convenient construction.Its concrete preparation method and performance, with reference to " the fabrication & properties research of silicon carbide-containing polyether sulfone wear-resistant paint " literary composition of the Wang Chenglong master of GEELY UNIVERSITY, can belong to prior art, do not repeat them here.
Conveniently permanent magnet 61 is changed, permanent magnet 61 is provided with the fixed component be fixedly installed on by permanent magnet 61 in rotating shaft 5.By arranging fixed component, the fixing of permanent magnet 61 can be realized, when permanent magnet 61 changed by needs, removing the locking of positioning element, the replacing of permanent magnet 61 can be realized, very convenient.Fixed component comprises the sleeve 6 being set in rotating shaft 5 outside, and permanent magnet 61 is fixed on sleeve 6, and permanent magnet 61 is adhesively fixed on sleeve 6, sleeve 6 is provided with tapped hole along sleeve 6 radial direction, is provided with the bolt 62 that can abut with rotating shaft 5 in tapped hole, screwing bolts 62, bolt 62 abuts with the outer peripheral surface of rotating shaft 5, the fixing of sleeve 6 can be realized, when permanent magnet 61 changed by needs, unscrew bolt 62, take off sleeve 6, permanent magnet 61 can be disassembled, structure is simple, easy to operate.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technological schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a blower fan, comprise casing (1), intake grill (11) and exhaust outlet (12) is provided with in described casing (1), the blade motor being provided with rotating machinery in described casing (1) and driving rotating machinery to rotate, is characterized in that: described casing (1) is provided with the heating equipment and thermal insulation apparatus that heat air-flow.
2. blower fan according to claim 1, is characterized in that: described heating equipment comprises the resistance wire (8) be arranged on housing, and described casing (1) is provided with the power supply part of powering to resistance wire (8).
3. blower fan according to claim 1 and 2, is characterized in that: described thermal insulation apparatus comprises the heat keeper (9) be arranged on casing (1), and described resistance wire (8) is arranged between heat keeper (9) and casing (1).
4. want the blower fan described in 2 according to right, it is characterized in that: described rotating machinery comprises fan blade, described fan blade is provided with rotating shaft (5), described rotating shaft (5) and casing (1) are rotationally connected, described power supply part comprises the permanent magnet (61) be arranged in rotating shaft (5), described casing (1) is positioned at permanent magnet (61) outside and is provided with coil (7), described coil (7) is connected with resistance wire (8).
5. want the blower fan described in 4 according to right, it is characterized in that: the outer surface of described fan blade is provided with wearing layer (41).
6. want the blower fan described in 5 according to right, it is characterized in that: described wearing layer (41) comprises silicon carbide-containing polyether sulfone wear-resistant paint layer.
7. want the blower fan described in 4 according to right, it is characterized in that: described permanent magnet (61) is provided with the fixed component be fixedly installed on by permanent magnet (61) in rotating shaft (5).
8. want the blower fan described in 7 according to right, it is characterized in that: described fixed component comprises the sleeve (6) being set in rotating shaft (5) outside, described permanent magnet (61) is fixed on sleeve (6), and described sleeve (6) is threaded the bolt (62) that can abut with rotating shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882656.5A CN105351229B (en) | 2015-12-03 | 2015-12-03 | Blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882656.5A CN105351229B (en) | 2015-12-03 | 2015-12-03 | Blower fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351229A true CN105351229A (en) | 2016-02-24 |
| CN105351229B CN105351229B (en) | 2017-12-01 |
Family
ID=55327271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510882656.5A Active CN105351229B (en) | 2015-12-03 | 2015-12-03 | Blower fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105351229B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843607A (en) * | 2018-08-22 | 2018-11-20 | 江苏冠愉电机科技有限公司 | A kind of blower convenient for disassembly and assembly |
| CN114320952A (en) * | 2021-12-22 | 2022-04-12 | 上海冠带通风节能设备有限公司 | Fan |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63315860A (en) * | 1987-05-30 | 1988-12-23 | Senji Oigawa | Electric fan heater |
| CN202082156U (en) * | 2011-05-27 | 2011-12-21 | 巴克约根森风机（宁波）有限公司 | Blower |
| CN202709443U (en) * | 2012-08-27 | 2013-01-30 | 慈溪市立奇电器有限公司 | Ultra-thin fan heater |
| CN203432077U (en) * | 2013-08-24 | 2014-02-12 | 济南张夏供水换热设备有限公司 | Mine air heater |
| JP2014029228A (en) * | 2012-07-31 | 2014-02-13 | Nitto Kogyo Co Ltd | Panel heater |
| CN104763657A (en) * | 2015-03-10 | 2015-07-08 | 无锡市崇安区科技创业服务中心 | Heating electric fan based on electric heating wire |
| CN204535077U (en) * | 2015-01-30 | 2015-08-05 | 安徽美自然环境科技有限公司 | A kind of air-heater |
-
2015
- 2015-12-03 CN CN201510882656.5A patent/CN105351229B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63315860A (en) * | 1987-05-30 | 1988-12-23 | Senji Oigawa | Electric fan heater |
| CN202082156U (en) * | 2011-05-27 | 2011-12-21 | 巴克约根森风机（宁波）有限公司 | Blower |
| JP2014029228A (en) * | 2012-07-31 | 2014-02-13 | Nitto Kogyo Co Ltd | Panel heater |
| CN202709443U (en) * | 2012-08-27 | 2013-01-30 | 慈溪市立奇电器有限公司 | Ultra-thin fan heater |
| CN203432077U (en) * | 2013-08-24 | 2014-02-12 | 济南张夏供水换热设备有限公司 | Mine air heater |
| CN204535077U (en) * | 2015-01-30 | 2015-08-05 | 安徽美自然环境科技有限公司 | A kind of air-heater |
| CN104763657A (en) * | 2015-03-10 | 2015-07-08 | 无锡市崇安区科技创业服务中心 | Heating electric fan based on electric heating wire |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843607A (en) * | 2018-08-22 | 2018-11-20 | 江苏冠愉电机科技有限公司 | A kind of blower convenient for disassembly and assembly |
| CN114320952A (en) * | 2021-12-22 | 2022-04-12 | 上海冠带通风节能设备有限公司 | Fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105351229B (en) | 2017-12-01 |
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