A kind of sealed electrical control cubicles heat-exchanger rig of precision machine tool class
Technical field
The present invention relates to heat exchange cooling system, especially a kind of heat exchange suitable for the sealed electrical control cubicles of precision machine tool class fills
Put.
Background technology
With the continuous improvement of electronic device power and frequency, its heat generation density increases substantially, therefore to electronic equipment
It is one of adaptation and the important foundation for promoting electronic equipment hi-tech development and premise to carry out rational thermal design.Such as
Precision machine tool class product manufacturing industry is analyzed in a sense, its electrical control cubicles heating electronic component and device its unit area
Or the rapid radiating of space power consumption, have become precision machine tool steady operation and keep the restricted ring of machining accuracy reliability
Section, therefore the reliable radiating operation unit inlayed in automatically controlled electrical control cubicles is that Integrated access indispensable in lathe electrical control cubicles is set
Standby and supporting technology;Therefore, power consumption in international, the country electronics industry power consumption type electric-control system, precision machine tool closed electricity cabinet
The research and development of heat abstractor are as problem important in the industry.At present, the international, country is in the field closed electricity cabinet, mostly use system
The point-to-point cooling of cold air-conditioning even vortex-like fashion, but air-conditioning system causes the energy consumption of electric control cabinet system itself to increase considerably,
And investment and maintenance cost are added, and vortex-like fashion cooling required sets high-pressure air source or is mounted directly air compressor machine, also equally
Add one-time investment cost and operation expense;Thereby, one-time investment reduction, reliable and few dimension are needed in the industry
Shield or within certain time limit it is non-maintaining, its can stablize, reliably its power-consumption heat is distributed by the pattern of heat exchange,
To stablize the working environment of electric-control system.Therefore, research and develop one kind heat that a kind of cost is low, reliable, thermal conversion efficiency is high
Switch is the allocation function critical component being badly in need of in the industry.
To sum up analyze, precision machine tool manufacturing industry electronics industry, not only need the technological design related to heat exchange and correspondingly
High reliability heat exchange products, and be required to controllability, stability and purchase cost, the fortune of cooling system cooling capacity
The reasonability of row cost, therefore with the demand of industry, more reliable, more cheap innovative lathe electrical control cubicles heat exchanger,
Have bigger demand.
The content of the invention
In order to solve the above-mentioned technical problem, the sealed electrical control cubicles heat-exchanger rig of a kind of precision machine tool class provided by the invention,
Cost is low, reliable, thermal conversion efficiency is high, and radiating and cooling is better.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of sealed electrical control cubicles heat-exchanger rig of precision machine tool class, including housing, the interior radiating for including top of the housing
Cavity and the heat absorption cavity of lower section, the heat-absorbing chamber body is interior to be provided with heat absorbing units, and heat-sink unit, institute are provided with the heat-dissipating cavity
The upper end for stating heat absorbing units is provided with lower header provided with upper header and lower end, and the upper end of the heat-sink unit is provided with upper collecting pipe
It is described and lower end is provided with lower collecting pipe, is connected between the upper header and lower collecting pipe by some gas channel pipes
Heat-transfer working medium is filled with heat absorbing units.
Preferably, the heat absorbing units include some heat absorption micro-channel flats and be entrained in heat absorption micro-channel flat it
Between heat absorbing fins, the radially connected upper header of the heat absorption micro-channel flat and lower header, the heat-transfer working medium are arranged on
In micro-channel flat of absorbing heat and lower header.
Preferably, the heat-sink unit include some radiating micro-channel flats and be entrained in radiating micro-channel flat it
Between radiating fin, the radiating radially connected upper collecting pipe of micro-channel flat and lower collecting pipe.
Preferably, the heat absorption micro-channel flat is led to respectively with heat absorbing fins and radiating micro-channel flat with radiating fin
Cross soldering connection sizing.
Preferably, the both ends of each gas channel pipe are welded with upper header and lower collecting pipe respectively.
In said structure, seal isolation plate is provided between the heat absorption cavity and heat-dissipating cavity, is set in the heat-absorbing chamber body
There are the first hot-swappable fans, the second hot-swappable fans are provided with the heat-dissipating cavity.
It is furthermore preferred that the blowing direction of first hot-swappable fans is perpendicular to the plane where heat absorbing units, described second
The blowing direction of hot-swappable fans is perpendicular to the plane where heat-sink unit.
Beneficial effects of the present invention:The heat-exchanger rig of the present invention designs for the sealed electrical control cubicles of precision machine tool class, profit
Radiated with heat exchange method, after thermal current enters heat absorption cavity in electrical control cubicles, heat is conducted to heat transfer by heat absorbing units
Working medium simultaneously is allowed to gasify, and the heat-transfer working medium of gasification is up to enter heat-sink unit by gas channel pipe, when outer cold airflow band is wandered away
After heat in hot cell, heat-transfer working medium liquefaction is simultaneously back to lower header by Action of Gravity Field is descending, and reciprocation cycle, heat turn according to this
Efficiency high is changed, production cost is low, operation is more energy efficient reliable, temperature control significant effect, lathe electrical control cubicles is radiated rapidly, has
Beneficial to the reliability for ensureing precision machine tool working stability and holding machining accuracy.
Brief description of the drawings
The embodiment of the present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is the cross-sectional view of embodiment in the present invention;
Fig. 2 is the positive structure schematic that heat absorbing units are connected with heat-sink unit in the present invention;
Fig. 3 is Fig. 2 side structure schematic diagram.
Embodiment
Referring to Fig. 1-3, a kind of sealed electrical control cubicles heat-exchanger rig of precision machine tool class provided by the invention, including housing 1, institute
The heat-dissipating cavity 12 in housing 1 including top and the heat absorption cavity 11 of lower section are stated, heat absorbing units are provided with the heat absorption cavity 11
2, the heat-dissipating cavity 12 is interior to be provided with heat-sink unit 3, and the upper end of the heat absorbing units 2 is provided with upper header 21 and lower end is provided with down
Header 22, the upper end of the heat-sink unit 3 is provided with upper collecting pipe 31 and lower end is provided with lower collecting pipe 32, the upper header 21
It is connected between lower collecting pipe 32 by some gas channel pipes 4, filled with meeting by thermal evaporation in the heat absorbing units 2
Heat-transfer working medium.After thermal current enters heat absorption cavity 11 in electrical control cubicles, heat is conducted to heat-transfer working medium and is allowed to by heat absorbing units 2
Gasification, the heat-transfer working medium of gasification is up to enter heat-sink unit 3 by gas channel pipe 4, when outer cold airflow is taken away in heat-sink unit 3
Heat after, heat-transfer working medium liquefaction is simultaneously back to lower header 22 by Action of Gravity Field is descending, according to this reciprocation cycle, thermal conversion efficiency
It is high.
In the embodiment, the heat absorbing units 2 include some heat absorption micro-channel flats 23 and are entrained in micro- lead to of absorbing heat
Heat absorbing fins 24 between road flat tube 23, the absorb heat radially connected upper header 21 of micro-channel flat 23 and the lower header 22,
The heat-transfer working medium is arranged in heat absorption micro-channel flat 23 and lower header 22, and specific make is that the microchannel that will absorb heat is flat
The two ends portion of pipe 23 is inserted radially into lower header 22 and upper header 21 along header respectively, and through tie up it is fixed-type after pricker
Weldering sizing, to form airtight cavity.
In the embodiment, the heat-sink unit 3 includes some radiating micro-channel flats 33 and is entrained in micro- lead to of radiating
Radiating fin 34 between road flat tube 33, the radiating radially connected upper collecting pipe 31 of micro-channel flat 33 and lower collecting pipe 32,
Heat-sink unit 3 is similar to the preparation method of heat absorbing units 2.
In the embodiment, the both ends of each gas channel pipe 4 are welded with upper header 21 and lower collecting pipe 32 respectively, tool
The production method of body is to process several a diameter of R circular hole along a certain angle on the radial direction tube wall of upper header 21, and
The fixed length pipe of certain bending degree is respectively welded at circular hole, the fixed length pipe of the bending is the gas channel pipe 4 of heat-transfer working medium.
Circular hole point of the end head of the up some gas channel pipes 4 passed through with the radial direction of lower collecting pipe 32 after heat-transfer working medium gasification
Other welded seal.After heat absorbing units 2 are connected by gas channel pipe 4 with heat-sink unit 3, that is, form sealed electrical control cubicles sky-liquid-
The core of empty heat exchange unit.
After the completion of some gas channel pipes 4 weld, Drilling operation one is a diameter of on a certain bar gas channel pipe 4
4.5mm circular hole, and the fixed length copper pipe of an a diameter of 4.0mm is welded here, it is by the copper pipe that heat absorbing units 2 are single with radiating
It is evacuated in the connection cavity of member 3 and irrigates heat-transfer working medium simultaneously, then a certain position of copper pipe is radially flattened and melted
Sealing forms the heat exchange work department of the empty heat exchange unit of sealed electrical control cubicles sky-liquid-in after sealing state.
Further optimization, seal isolation plate 5 is set between heat absorption cavity 11 and heat-dissipating cavity 12, absorbed heat in cavity 11
Provided with the first hot-swappable fans 6, the second hot-swappable fans 7 are provided with heat-dissipating cavity 12, wherein, the hot-swappable fans 6 of heat absorbing units 2 and first
Connected with the cavity of closed electric control cabinet box 8, and with heat-sink unit 3 residing for cavity by sealing off plate 5 and the inner surface of housing 1
Between closed isolation, heat absorption cavity 11 from hot-wind inlet 13 suck hot blast, hot blast is after the hot-swappable fans 6 of heat absorbing units 2 and first
Enter from hot-blast outlet 14 in the cavity of electric control cabinet box 8, hot blast flow direction is the direction of A to B in Fig. 1;And heat-sink unit 3 and second
Hot-swappable fans 7 connect with the exterior space of closed electric control cabinet box 8, and heat-dissipating cavity 12 sucks cold wind, cold wind from cold air inlet 15
Enter the outside of electric control cabinet box 8 from cold wind outlet 16 after the hot-swappable fans 7 of heat-sink unit 3 and second, cold wind flow direction is Fig. 1
Middle C to D direction;When the space suction seal electrical control cubicles inner chamber body that the first hot-swappable fans 6 pass through the region of heat absorbing units 2
After hot-air, heat absorbing fins 24 absorb heat and being conducted to heat absorption micro-channel flat 23 causes the heat-transfer working medium in its cavity to gasify, gas
The heat-transfer working medium of change enters heat-sink unit 3 by gas channel pipe 4, and the radiating that heat is conducted on heat-sink unit 3 is micro- logical
Road flat tube 33 and radiating fin 34, now the second hot-swappable fans 7 on heat-sink unit 3 by factory building Cryogenic air inhale
Enter, the heat-transfer working medium gas for causing to radiate in the cavity of micro-channel flat 33 cools and is allowed to condense, the radiating of condensed liquid edge
Micro-channel flat 33 enters lower collecting pipe 32, then flows under the influence of gravity into gas channel pipe 4, eventually enters into lower header
22;The reciprocation cycle of the process realizes the heat exchange purpose inside and outside electrical control cubicles.
During installation, the blowing directions of first hot-swappable fans 6 is perpendicular to the plane where heat absorbing units 2, and described second
The blowing direction of hot-swappable fans 7 therefore enhances the efficiency of heat exchange perpendicular to the plane where heat-sink unit 3.
It is described above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned embodiment, as long as
It reaches the technique effect of the present invention with identical means, should all belong to protection scope of the present invention.