CN203326815U - Generator - Google Patents
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- CN203326815U CN203326815U CN2013201349576U CN201320134957U CN203326815U CN 203326815 U CN203326815 U CN 203326815U CN 2013201349576 U CN2013201349576 U CN 2013201349576U CN 201320134957 U CN201320134957 U CN 201320134957U CN 203326815 U CN203326815 U CN 203326815U
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- air
- generator
- cooling
- closure
- shell
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Abstract
The utility model discloses a generator which comprises an end cover, a generator part, a motor bracket and an induced air shell, wherein the generator part consists of a stator, a rotor, a rotor shaft and a generator cooling fan; the induced air shell is divided into two cavities by a middle clapboard, the front cavity is connected with the motor bracket and is provided with an air inlet in the side wall, and the rear cavity is provided with a fan which is coaxially connected with the rotor and is provided with an air outlet in the side wall; and one side, which is axially opposite to the middle clapboard, of the rear cavity is provided with an exhaust opening. A ventilation channel is arranged in the manner that for the first ventilation channel, cooling air is sucked into the front cavity of the induced air shell from the air inlet in the side wall of the front cavity of the induced air shell, cools the generator and then is exhausted by the generator cooling fan through the air outlet of the generator; and for the second ventilation channel, air is sucked from the exhaust opening in the cavity from the fan in the rear cavity of the induced air shell and is exhausted through the air outlet in the side wall of the cavity. The generator has the advantages of small noise, temperature rise and invariable output power.
Description
Technical field
The utility model relates to electrical generator fields, particularly relates to a kind of generator with forced ventilation system.
Background technology
Engine-driven generating set generally is widely used as civilian and industrial power, to meet the electricity needs of numerous occasions such as family, school, hospital, building site.But great majority are all open-shelf products in the market, due to outside its engine directly is exposed to, so have the defect that level of noise is high, work at night the in one's power needs of environment of the quiet yard of can not satisfying the demand.
Usually in order at utmost to reduce noise, engine and generator are arranged in closure, and have a small amount of air inlet and air outlet, the thermal radiation produced due to engine and generator operation, make the heat in closure constantly accumulate and cause the temperature rising, the original heat balance of generating set is broken.Engine and generator cooling effect variation, reduce thereby affect power output, and Generating Unit Operation Reliability descends.
Therefore, only have the heat dissipation problem solved in closure, just can make engine and generator obtain well cooling, thereby guarantee the generating set reliably working.Due to innovative design of the present utility model, thoroughly solved above-mentioned technological difficulties, the power output of generating set is compared with the open-shelf product and is remained unchanged and level of noise obviously reduces.Simultaneously, generating set not only has significant cost and technical advantage aspect topology layout, assembling and setting and maintenance, and has wide market prospects and obvious economic benefit.
The utility model content
The utility model is based on the market demand, provides good cooling by giving generator component in closure, thereby a kind of generator that less noise and temperature rise and power output remain unchanged that has is provided.
In order to achieve the above object, according to first aspect of the present utility model, provide a kind of generator, comprising: closure is provided with in closure: generator component, hold and install end cap and the electric machine support of generator component;
Also be provided with the air inducing shell in described closure; This air inducing shell is arranged in the electric machine support tail end, two chambeies before and after the air inducing shell is divided into by central dividing plate, and ante-chamber is connected with the electric machine support tail end, and has air inlet on this chamber sidewall, and air inlet is opened on closure, is the cooling cooling-air that provides of generator component; In back cavity, be furnished with and the coaxial fan be connected of generator component, and have air outlet on this chamber sidewall, there is inlet scoop in this chamber with the axial relative side of central dividing plate, this inlet scoop sucks the air in closure along with the rotation of said fans, and further by the above-mentioned air outlet on this chamber sidewall, discharges.
As further improvement of the utility model, in air inducing shell air inlet, voltage-operated parts are installed.Voltage-operated parts are arranged on to air inducing shell cool air inlet place, can obtain good cooling.And compared to existing technology, voltage-operated parts change to existing sidewall installation site from original axial installation site, significantly increased the sectional area of cold air to the generator component internal circulation, reduced flow resistance, thereby more being conducive to cold air accelerates to flow to generator component inside from air inlet, thereby improve the generator cooling effect, effectively reduce and send out the generator temperature rise.
According to this structure, because air inducing shell inside directly is divided into two chambeies by central dividing plate, and ante-chamber directly is communicated with cooled external air, back cavity directly is communicated with the space in closure, such overall structure compared with prior art, realized the integrated a plurality of functions of part, reduced the generating set internal cavity and separated needed number of spare parts.Not only make Air Flow in closure accelerate, be conducive to reduce the closure internal temperature, and make generating set there is significant cost and technical advantage aspect production technology, layout, assembling and setting and maintenance.
Except above-mentioned first aspect, according to second aspect of the present utility model, a kind of generator is provided, its ventilation channel is arranged as follows, the first ventilation road: the air inlet on cooling-air self-induced-air shell ante-chamber sidewall sucks in the ante-chamber of air inducing shell, after cooled electric generator, by the generator cooling fan, by the generator air outlet, is discharged; The second ventilation road: air is sucked from Shang De inlet scoop, this chamber by the fan in air inducing shell back cavity, then discharges by the air outlet on this chamber sidewall.
What suck due to the ante-chamber of air inducing shell is cooling-air entirely, and it is inner and takes away in time heat that cooling-air flows through generator component, guaranteed that the inside of generator component obtains abundant effective cooling.Simultaneously, under the swabbing action of the fan in air inducing shell back cavity, cooling-air enters and reduces the temperature of hot-air in closure continually from atmosphere, then discharge in time by the air outlet on air inducing shell back cavity sidewall, thereby make the interior air themperature stable maintenance of closure at a reduced levels.Like this, the inside and outside surface of generator component all obtains abundant effective cooling, and the generator temperature rise is effectively controlled, and power output remains unchanged.
The accompanying drawing explanation
The three-dimensional view that Fig. 1 is the utility model generator;
The right view that Fig. 2 is the utility model embodiment generator;
The A-A cutaway view that Fig. 3 is Fig. 2;
The B-B cutaway view that Fig. 4 is Fig. 2;
The C-C cutaway view that Fig. 5 is Fig. 3; (please indicate the position that C-C analyses and observe)
The three-dimensional view that Fig. 6 is the utility model embodiment air inducing shell;
Fig. 7 is three-dimensional view after the utility model embodiment air inducing shell biopsy cavity marker devices.
Embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described, to more knowing the purpose of this utility model, feature & benefits (please describing for each accompanying drawing).
With reference to figure 1, the generator of the present embodiment comprises generator component 5, electric machine support 8 and air inducing shell 9.Electric machine support 8 is arranged in generator component 5 tail ends, and air inducing shell 9 is arranged in electric machine support 8 tail ends.
With reference to figure 2, have air inlet a and air outlet b on air inducing shell 9 sidewalls, with the axial relative side of central dividing plate, inlet scoop d is arranged.Be furnished with the fan 13 coaxial with generator component 5 in air inducing shell 9.With reference to figure 3, Fig. 4, in closure 20, be furnished with from left to right end cap 1, generator component 5, electric machine support 8 and air inducing shell 9, wherein generator component 5 consists of stator 6, rotor 7, armature spindle 10 and generator cooling fan 2.
The left end of armature spindle 10 is pressed with adapter sleeve 4, and generator cooling fan 2 is fixed and is positioned at end cap 1 by bolt and adapter sleeve 4, and the taper hole of armature spindle 10 left ends matches with the cone end of bent axle 3; The right-hand member of armature spindle 10 is provided with tapering point, and matches with the taper hole of terminal pad 11.The small end of terminal pad 11 penetrates from the central through hole right-to-left of air inducing shell 9, and is connected with armature spindle 10, and large end is positioned on the back cavity of air inducing shell 9 and its and is fixed with fan 13 by screw.Centre bolt 12 right-to-lefts, successively through the centre bore of terminal pad 11, armature spindle 10, are connected also fastening with bent axle 3.Rotor 7 is fitted on armature spindle 10, and stator 6 is contained between end cap 1 and electric machine support 8 seams, and end cap 1 and support 8 are bolted.
As shown in Figures 6 and 7, air inducing shell 9 is divided into ante-chamber 91 and back cavity 92 by central dividing plate 93.Ante-chamber 91 is connected and has air inlet a on this chamber sidewall with the electric machine support 8 of generator component 5 tail ends, and air inlet a is opened on closure 20, the cooling cooling-air that provides that directly to lead to atmosphere be generator component 5, as shown in Figure 3; Air inlet a comprises first, second duct a1, a2, is provided with voltage supplied in the second duct a2 and regulates parts 14.Be furnished with the fan 13 coaxial with generator component 5 in back cavity 92, and have air outlet b on back cavity 92 sidewalls, back cavity 92 has inlet scoop d with the axial relative side of central dividing plate, inlet scoop d communicates with space in closure, and along with the rotation of fan 13 hot-air in inspiration closure 20, and further by air outlet b, be discharged in atmosphere.
According to this structure, voltage-operated parts 14 are arranged on the air inlet a of air inducing shell 9, can obtain good cooling.And compared to existing technology, voltage-operated parts 14 change to existing sidewall installation site from original axial installation site, significantly increased the sectional area of cold air to generator component 5 internal circulations, reduced flow resistance, thereby more being conducive to cold air accelerates to flow to generator component 5 inside from air inlet a, thereby improve the cooling effect of generator component 5, effectively reduce the generator temperature rise.
Because air inducing shell 9 inside directly are divided into two chambeies by central dividing plate 93, and ante-chamber 91 directly is communicated with closure 20 cooled external air, back cavity is directly with closure 20 internal communication, such overall structure compared with prior art, realized the integrated a plurality of functions of part, reduced the generating set internal cavity and separated needed number of spare parts.Not only make Air Flow in closure accelerate, be conducive to reduce closure 20 internal temperatures, and make generating set there is significant cost and technical advantage aspect production technology, layout, assembling and setting and maintenance.
During the work of the utility model generator, the centrifugal force that 2 rotations of generator cooling fan produce, air inlet a by cooling-air from ante-chamber 91 sidewalls sucks, then the flow through inside of generator component 5 it is carried out to abundant effective cooling, hot-air after cooled electric generator parts 5 is blown toward air outlet c and e in generator component and is discharged in the closure outside atmosphere, as shown in Figure 5 by generator cooling fan 2.Simultaneously, generator component 5 outer surfaces are placed in closure, and due to the powerful swabbing action of fan 13, outside cooling-air enters from air inlet f continuously, cooling-air whips generator component 5 surfaces and takes away heat, then through air outlet b, is discharged in atmosphere.
What suck due to the ante-chamber of air inducing shell 9 is cooling-air entirely, and it is inner and takes away in time heat that cooling-air flows through generator component 5, guaranteed that the inside of generator component 5 obtains abundant effective cooling.Simultaneously, under the swabbing action of the fan 13 in air inducing shell 9 back cavities, cooling-air enters and reduces the temperature of closure 20 interior hot-airs continually from atmosphere, then by the air outlet b on air inducing shell 9 back cavity sidewalls, discharge in time, thereby make the interior air themperature stable maintenance of closure 20 at a reduced levels, measured value can be controlled in 40～45 ℃.Like this, the inside and outside surface of generator component 5 all obtains abundant effective cooling, and the generator temperature rise is effectively controlled, and power output remains unchanged.
The utility model generator frequency is 50Hz or 60Hz, the single-phase 110V of voltage, 220V, 230V or 240V, three-phase 380V, 400V, 416V or 440V, rated power 2.5kW～8kW.
Above-described example is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; under the prerequisite that does not break away from the utility model spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection range of the utility model claims.
Claims (4)
1. a generator, comprising: closure is provided with in closure:
Generator component;
Hold and install end cap and the electric machine support of generator component; It is characterized in that, also be provided with the air inducing shell in described closure;
This air inducing shell is arranged in the electric machine support tail end, two chambeies before and after the air inducing shell is divided into by central dividing plate, and ante-chamber is connected with the electric machine support tail end, and has air inlet on this chamber sidewall, and air inlet is opened on closure, is the cooling cooling-air that provides of generator component; In back cavity, be furnished with and the coaxial fan be connected of generator component, and have air outlet on this chamber sidewall, there is inlet scoop in this chamber with the axial relative side of central dividing plate, this inlet scoop sucks the air in closure along with the rotation of said fans, and further by the above-mentioned air outlet on this chamber sidewall, discharges.
2. generator according to claim 1, is characterized in that, in generator component, also is provided with: the generator cooling fan for the air inlet from the air inducing shell sucks by cooling-air, thereby provides cooling-air for the internal cooling of generator component;
The generator air outlet, discharge from this air outlet for the hot-air by cooling generator component.
3. generator according to claim 1, it is characterized in that, its ventilation channel is arranged as follows, the first ventilation road: the air inlet on cooling-air self-induced-air shell ante-chamber sidewall sucks in the ante-chamber of air inducing shell, after the cooled electric generator parts, by the generator cooling fan, by the generator air outlet, is discharged; The second ventilation road: air is sucked from the inlet scoop in this chamber by the fan in air inducing shell back cavity, then discharges by the air outlet on this chamber sidewall.
4. generator according to claim 1, is characterized in that, is provided with voltage-operated parts in the air inlet of described air inducing shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201349576U CN203326815U (en) | 2013-03-21 | 2013-03-21 | Generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201349576U CN203326815U (en) | 2013-03-21 | 2013-03-21 | Generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203326815U true CN203326815U (en) | 2013-12-04 |
Family
ID=49666107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201349576U Expired - Lifetime CN203326815U (en) | 2013-03-21 | 2013-03-21 | Generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203326815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187830A (en) * | 2013-03-21 | 2013-07-03 | 江苏苏美达机电有限公司 | Generator |
-
2013
- 2013-03-21 CN CN2013201349576U patent/CN203326815U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187830A (en) * | 2013-03-21 | 2013-07-03 | 江苏苏美达机电有限公司 | Generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |