CN204118932U - A kind of water-cooled machine - Google Patents
A kind of water-cooled machine Download PDFInfo
- Publication number
- CN204118932U CN204118932U CN201420497579.2U CN201420497579U CN204118932U CN 204118932 U CN204118932 U CN 204118932U CN 201420497579 U CN201420497579 U CN 201420497579U CN 204118932 U CN204118932 U CN 204118932U
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- water
- casing
- water channel
- cooled machine
- channel
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Abstract
The utility model relates to a kind of water-cooled machine, has casing and base, and described casing is furnished with the water channel that integrated ribbon spiral is arranged with casing, and water channel end is provided with water inlet and delivery port, and described water channel sectional area is greater than water inlet sectional area.This casing water channel has carried out Curve guide impeller to traditional spirality channel, increases water channel turning, and appropriate design turning size, more meet need of production to make water channel.
Description
Technical field
The utility model relates to field of motor manufacturing, especially the structure of water-cooling motor cabinet.
Background technology
Along with the promotion and application of new-energy automobile, electric automobile and oil-electric vehicle have obtained sufficient development and utilization, and the two something in common is inevitably to use drive motor, to maintain vehicle driving dynamics.Drive motor generally need have higher-wattage, is especially applied to relatively large commercial car, as bus, passenger vehicle etc.But motor is in the running due to heating effect of current and mechanical power loss etc., makes the caloric value of motor large, limit the lifting of electric efficiency.Because degree of protection requires higher, the heat that motor internal produces is difficult to directly derive, and the general casing water-cooling pattern that adopts carries out heat exchange.Aluminium alloy due to density low, conductive coefficient height is often selected as case material.Existing aluminium alloy casing mostly is aluminium section bar and forms water channel by welding, and this kind of technique can only form the water route arranged along motor shaft to S type, and welding cost is high, and welding quality is wayward.S type water route due to elbow water resistance large, cause pump power and lift demand high, whole waterway circulating pipeline also can be made to bear more pressure, and coefficient of safety is low.
Utility model content
The utility model provides a kind of water-cooled machine, have casing and base, described casing is furnished with the water channel that integrated ribbon spiral is arranged with casing, water channel end is provided with water inlet and delivery port, it is characterized in that, described water channel sectional area is greater than water inlet sectional area.
As a kind of execution mode, described casing is furnished with line outlet, described water channel is arranged along described line outlet shape circumscribes.
Further, whole water channel each several part sectional area is identical.
Described casing outer setting has inlet opening and apopore, is arranged at described casing bottom, communicates respectively with water channel water inlet and delivery port.
Described casing is cast aluminium or aluminium alloy casing.
Described casing adopts the mode of gravity casting to cast and forms.
Accompanying drawing explanation
Fig. 1 is the utility model water-cooling motor cabinet structural representation;
Fig. 2 manufactures the sand core structure schematic diagram involved by the utility model casing;
Fig. 3 manufactures the core front view involved by the utility model casing.
1 is casing, and 2 is inlet openings, and 3 is apopores, and 4 is terminal boxes, and 5 is water inlets, and 6 is delivery ports, and 7 is cores, and 8 is pilot pins.
Embodiment
As Fig. 1, the water-cooled machine that the utility model provides, has casing and base, wherein casing is provided with the integrated spirality channel with casing.Because the concept of helical heat spreader water channel is suggested already, but be limited to manufacturing process, helical heat spreader water channel rests on casing welding all the time and is formed, or uses copper pipe to form the stage of water channel.The spiral channel shaping with casing integrally casting does not also drop into the precedent of practical application at present.Water-cooled machine provided by the utility model uses the casing 1 shaping with spiral channel integrally casting, and make spiral water route completely and chassis contact, reach the Maximum Contact area of the two, heat transference efficiency is higher.Casing spiral channel design time should take into account the resistance that heat exchange area considers current again, when water channel design, make water channel global sections amass identical as far as possible, with keep the smooth and easy of current and resistance to water-flow minimum.Fig. 2 and Fig. 3 casts the utility model casing water channel core schematic diagram used.The feature of water-cooled machine casing water channel of the present utility model can be found out by this core.At the normal width of water channel, or mean breadth is labeled as d, and it is designed to the width slightly larger than water inlet 5, reduces further to make water resistance in water channel; But the two cross section product moment is unsuitable excessive, otherwise can form bubble even space interlayer in water channel, reduce heat transfer efficiency.
Casing 1 outer setting has inlet opening 2 and apopore 3, is arranged at described casing bottom, communicates respectively with water channel water inlet 5 and delivery port 6.Inlet opening 2 and apopore 3 are conducive to water pump to arrange, and inlet opening 2 and apopore 3 are arranged along casing radial direction, are convenient to drainage pipe and install.In the scope that technique allows, it is better that inlet opening 2 and apopore 3 should be designed to more to press close to casing ontology.
As a kind of implementation of the utility model water-cooled machine, motor case is designed with line outlet, i.e. terminal box 4, draw for motor winding conducting wire, the disappearance of line outlet place structure, generally, can cause the difficult arrangement of radiation water channel on casing.The radiation water channel provided in the utility model, arranges, namely when terminal box 4 is square along terminal box 4 shape circumscribes, water channel along square terminal box roundabout around, keep the sectional area of water channel constant around the corner, both can ensure casing Homogeneouslly-radiating, avoid whirlpool, can ensure that again water resistance is less.According to the display of Fig. 2, water channel mean breadth is d, and meeting square terminal box roundabout corner mean breadth is d ', and ideally, d should be identical with d ' numerical value or close, to keep cooling water flow velocity consistent.Further, adopt aluminum or aluminum alloy casing, there is good heat dispersion, and motor weight can be alleviated further, improve electric efficiency.For the casing of employing spiral channel disclosed in the utility model, the mode of gravity casting should be adopted to cast and to form.
The utility model also provides the casting method of the motor casing with spirality channel, utilizes sand mold to form channel structure, adopts gravity casting to realize, makes molten metal such as aluminium alloy solution inject casting mold under gravity.Concrete grammar is as follows:
Make core: manufacture core according to casing channel structure, suitably mixed with resin by precoated sand, by core shooter, blow in core mold with compressed air by sand grains and resin compound, now core mold preheat temperature is 250 DEG C.Heat-insulation pressure keeping 20 minutes under pressure, can obtain the core having some strength and meet physical dimension requirement after die sinking.This core requires to have certain intensity after the drying, can bear the impact of molten metal during casting, and can be convenient to cleaning by automatic crushing when casing heat treatment.Because core is shaping for casing internal water channel, between the inner mold that needs are positioned casting casing and outer mold, on its body, form pilot pin when making core simultaneously, the outer mold inwall corresponding with the pilot pin position of core is provided with groove, during location, pilot pin is inserted groove, be convenient to core location.After core manufactures, should be fully dry, affect castability to avoid getting angry in a large number during casting.
Location: after casing inner mold and the abundant preheating of outer mold difference, core is placed between inner mold and outer mold, utilizes pilot pin 8 accurately to locate.
Casting: be poured between inner mold and outer mold above inner mold and outer mold by the molten metal dissolved, if gas forming amount is large after casting, should carry out feeding at rising head.
Parting: the casing of casting adopts automatic mould separating mechanism that mould is opened taking-up after cooling forming.
Heat treatment and knockout: consider that casing need bear various load, and the requirement of crudy and working (machining) efficiency, need heat-treat casing, when heat treatment core at high temperature automatic crushing discharge from watercourse port and reserved fabrication hole.So core needs when making the heat treatment temperature considering parts, to make core can automatic crushing under this heat treatment temperature.
Sand removal: also should do airtight test after machine work, the product after test passes need be washed by water more than 5 minutes the complete emptying of sand ensured in housing water channel.
Above-mentioned steps is the general step of casting method of the present utility model, as a kind of embodiment of the present utility model, for aluminium alloy, explains above-mentioned steps in detail.The features such as it is little that aluminum alloy casing has quality, and intensity is high, and cost is low, the present embodiment selects ZL104 type aluminium alloy, casts for casing.First, utilize precoated sand and resin to be suitably mixed to form core, automatic crushing during owing to requiring this core casing heat treatment, in the present embodiment, casing heat treatment temperature is 500 ~ 600 DEG C, therefore select suitable ratio when precoated sand and mixed with resin, to meet heat-treat condition.After core is made, should drying be carried out, blow with fan under room temperature can being adopted time dry, when its humidity low 20% time, can think fully drying.
Owing to adopting gravity casting, molten aluminium alloy need through after a while from die top to mold bottom, for ensureing that molten aluminium alloy flows into mold bottom smoothly and do not occur solidification phenomenon in casting cycle, mould need be carried out the pre-heat treatment, according to the feature of ZL104 type aluminium alloy, mould and die preheating condition should at 200 ~ 300 DEG C.After preheating, core to be placed between interior outer mold and to locate, forming casting model.
The molten aluminium alloy dissolved is poured between inner mold and outer mold above inner mold and outer mold.Because core forms water channel shape, the casing through molten aluminium alloy casting will form the integral structure with hollow water channel.Adopt gravity casting mode to cast and easily form defect at rising head place, feeding.
The aluminium alloy casing of cooling forming need through Overheating Treatment, and adopt T6 Technology for Heating Processing, heat treatment temperature is 500 ~ 600 DEG C, preferably 550 ~ 560 DEG C, and in 4 hours processing times, now in casing, core can be automatically cracked, discharges from watercourse port and reserved fabrication hole.
Product after casing carries out machine work after test passes need wash by water more than 5 minutes to ensure the complete emptying of sand in housing water channel.
Claims (6)
1. a water-cooled machine, has casing and base, and described casing is furnished with the water channel that integrated ribbon spiral is arranged with casing, and water channel end is provided with water inlet and delivery port, it is characterized in that, described water channel sectional area is greater than water inlet sectional area.
2. water-cooled machine according to claim 1, is characterized in that, described casing is furnished with line outlet, and described water channel is arranged along described line outlet shape circumscribes.
3. water-cooled machine according to claim 1, is characterized in that, whole water channel each several part sectional area is identical.
4. water-cooled machine according to claim 1, is characterized in that, described casing outer setting has inlet opening and apopore, is arranged at described casing bottom, communicates respectively with water channel water inlet and delivery port.
5. the water-cooled machine according to Claims 1 to 4 any one, is characterized in that, described casing is Birmasil casing.
6. water-cooled machine according to claim 5, is characterized in that, described casing adopts the mode of gravity casting to cast and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497579.2U CN204118932U (en) | 2014-08-29 | 2014-08-29 | A kind of water-cooled machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497579.2U CN204118932U (en) | 2014-08-29 | 2014-08-29 | A kind of water-cooled machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118932U true CN204118932U (en) | 2015-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420497579.2U Expired - Fee Related CN204118932U (en) | 2014-08-29 | 2014-08-29 | A kind of water-cooled machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333391A (en) * | 2015-10-16 | 2016-02-17 | 嘉兴亚欧光电科技有限公司 | Decorative night lamp |
-
2014
- 2014-08-29 CN CN201420497579.2U patent/CN204118932U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333391A (en) * | 2015-10-16 | 2016-02-17 | 嘉兴亚欧光电科技有限公司 | Decorative night lamp |
| CN105333391B (en) * | 2015-10-16 | 2019-03-22 | 浙江百康光学股份有限公司 | Decorate night-light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20190829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |