CN205090650U - Portable cooling system of bimodulus refrigerated - Google Patents
Portable cooling system of bimodulus refrigerated Download PDFInfo
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- CN205090650U CN205090650U CN201520882158.6U CN201520882158U CN205090650U CN 205090650 U CN205090650 U CN 205090650U CN 201520882158 U CN201520882158 U CN 201520882158U CN 205090650 U CN205090650 U CN 205090650U
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- bimodulus
- cooling system
- evaporimeter
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- temperature chamber
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Abstract
The utility model discloses a portable cooling system of bimodulus refrigerated, including box and U type compression freezing cycle system, new trend valve, return air fan and the wind channel cold drawing of setting in the box, the box is separated for low temperature chamber and high temperature chamber, condenser and compressor setting be in the high temperature chamber, has at least two departments to offer the ventilation sieve mesh on the box in high temperature chamber, evaporimeter, return air fan and wind channel cold drawing set up in the low temperature chamber, two ventilation sieve meshes about the box lateral wall in low temperature chamber has been offered, and the new trend valve is laid in ventilation sieve mesh department and respectively just to evaporimeter and return air fan. The utility model has the advantages that: under high temperature mode, can provide the cooling air than 20 DEG C low left and right sides of ambient temperature, greatly improved the heat dissipation of electronic equipment and components and parts, under low temperature mode, reduce consumption and the complexity of system by a wide margin, two kinds of mode can freely switch, and it can self -defined or settlement by oneself in program of a control system to switch the temperature.
Description
Technical field
The utility model belongs to the technical field of heat dissipation of portable electric appts, be specifically related to a kind of microminiature electronic equipment compression refrigerating apparatus, can according to the height of environment temperature and electronic equipment heat load, switch to refrigeration and air-cooled two kinds of mode of operations respectively, more reasonable, economic, safe cooling can be carried out to the heating element of portable electric appts and parts.
Background technology
In the adverse circumstances such as plateau, Gobi desert, desert, island, portable high-power electronic device is faced with the exceedingly odious weathers such as hot and humid, low temperature severe cold at work.Compression refrigeration, under hot and humid condition, can provide the cooling medium lower than environment temperature, has the advantage that traditional air-cooled technology is incomparable, can cooling electronic apparatus and components and parts better.Based on the cooling system of Compressing Refrigeration exploitation portable electric appts, become an emerging technique direction.
But when gentle times conversion in season, under cryogenic, the forced air cooling technology based on surrounding air possesses skills easy, the advantage such as energy consumption is low, stability is high, can provide the cooling resource of enough excellences.The demand of Compressing Refrigeration is no longer urgent.Meanwhile, Compressing Refrigeration cannot start the problems such as work, Energy Efficiency Ratio be uneconomical under also there is pole cryogenic conditions.Therefore Compressing Refrigeration and conventional forced air cooling technology are in application, and having separately can complementary pluses and minuses and technical limits.
Portable high power electronic equipment, when working under the adverse circumstances such as hot and humid, Compressing Refrigeration is optimization technique means.And when portable high power electronic equipment is at low-temperature working, have active demand to forced air cooling system that is more easy, low energy consumption.
Thus, seek a kind of simplify reliable, can simultaneous adaptation in the cooling system of high temperature and low temperature environment work, become portable high power electronic equipment problem demanding prompt solution.
Utility model content
The utility model overcomes shortcoming of the prior art, provide a kind of can the portable cooling system of working in double modes, can switch flexibly in refrigeration, air-cooled two kinds of patterns, be adapted to different climatic environment application.
The technical solution of the utility model is: a kind of portable cooling system of bimodulus cooling, comprises casing and is arranged on the U-shaped compression refrigeration circulatory system in casing, new wind valve, return air fan and air channel cold drawing; The described U-shaped compression refrigeration circulatory system comprises control system and the condenser, compressor and the evaporimeter that are connected successively by connecting line, in connecting line, be filled with cold-producing medium; Described casing is divided into low temperature cavity and high temperature chamber, described condenser and compressor are arranged on high temperature chamber, the casing in high temperature chamber have at least two places offer ventilation sieve aperture, described evaporimeter, return air fan and air channel cold drawing are arranged on low temperature cavity, offer upper and lower two place's ventilation sieve apertures at the wall box of low temperature cavity, new wind valve is placed in ventilation sieve aperture place also respectively just to evaporimeter and return air fan.
Compared with prior art, the utility model has the advantages that:
1) under hot operation pattern, the cooling-air of lower than environment temperature about 20 DEG C can be provided, improve the heat radiation of electronic equipment and components and parts greatly.
2) under low-temperature working pattern, significantly power consumption and system complexity is reduced.
3) two kinds of mode of operations can freely switch, switching temperature can in the program of control system self-defined or sets itself.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the structural representation of bimodulus cooling portable electric appts cooling system;
Fig. 2 is the structural representation of the U-shaped compression refrigeration circulatory system;
Fig. 3 is the electronic equipment body structure schematic diagram after taking out the compression refrigeration circulatory system;
Fig. 4 is the air flow schematic diagram of high temperature environment refrigerating mode of operation;
Fig. 5 is the air flow schematic diagram of the air-cooled mode of operation of low temperature environment;
Fig. 6 is the schematic diagram of system integration assembling;
Fig. 7 is the overall schematic after system integration assembling.
Detailed description of the invention
In the built-in a set of compression refrigeration circulatory system of electronic equipment casing built-in type, by wherein compared with the evaporation ends of low temperature and the condensation end workpiece of higher temperatures, be isolated in respectively in two different cavitys.Compressor works in higher temperatures cavity.In comparatively low temperature cavity, by the water conservancy diversion of return air fan, form inner circulating air runner during compression refrigeration work.Be provided with new wind valve simultaneously, change air flow and mode of operation by the switch controlling new wind valve.System can be run or air-cooled mode operation in a chiller mode, adapt to Different climate environment.
As shown in Figure 1, critical piece comprises: the U-shaped compression refrigeration circulatory system 1, casing and cover plate 2, new wind valve 3, return air fan 4, air channel cold drawing 5.
As shown in Figure 2, the described U-shaped compression refrigeration circulatory system 1, by 1-1/ micro-compressor, 1-2/ condenser, 1-3/ filter, 1-4/ capillary, 1-5/ evaporimeter, 1-6/ control system, is filled in 1-7/ cold-producing medium in pipeline and 1-8 connecting line forms.The connected mode of each parts forms consistent with traditional compression refrigeration circulatory system.Difference is: U-shaped layout, and its evaporator section and condenser portion are arranged in two ends, left and right.Control system while testing environment temperature and leaving air temp, program setting refrigerating mode switch threshold temperature.Control system drives compressor operating and adjustment compressor rotary speed simultaneously, controls the start and stop work of condenser inner blower, controls the start and stop work of evaporimeter inner blower.Control system in this programme also controls the switch motion of new wind valve outside the basic compression refrigeration circulatory system and the start and stop work of return air fan simultaneously.According to the difference of specific embodiments, control system can be that 1 printed circuit board is integrated, or the circuit board assemblies of multiple separation.
Take out the structure of the electronic equipment casing after the compression refrigeration circulatory system as shown in Figure 3, left side is comparatively low temperature cavity, and right side is higher temperatures chamber; Described casing and cover plate 2 are shells of portable electric appts.Wherein casing is a rectangular uncovered box body, and middle being separated by one muscle is the cavity of two parts, and two cavitys all have the sieve pore structure at two places or more, are the use of air circulation.In two cavitys in left and right, place evaporimeter and the condenser of the U-shaped compression refrigeration circulatory system respectively, also namely casing is isolated into comparatively low temperature cavity and higher temperatures chamber, right side, left side.Muscle offers breach, and the connecting line for the U-shaped compression refrigeration circulatory system passes.(left side described herein and right side are relative, interchangeable.)
Described new wind valve 3 is the electrically operated valve parts of two plate type.To be placed in casing left side compared with the place offering sieve aperture in low temperature cavity, simultaneously also just to the laying position of evaporimeter and return air fan.New wind valve has opening and closing two kinds of duties.
Described return air extension set 4 is one or one group of axial flow blower, is laid in compared with in the air flow circuit in low temperature cavity.
Described air channel cold drawing 5 is for installing or place heating element and the parts of the portable electric appts such as circuit board to be cooled or electronic devices and components.
The operation principle of the technical program:
First, the operation principle of the compression refrigeration circulatory system, can simply be described as, and under the task driven of compressor, cold-producing medium flows in each parts of the circulatory system and connecting line.Cold-producing medium is low-temperature evaporation in evaporimeter, absorbs amount of heat, then heat release in condenser, and iterative cycles like this is reciprocal, and the compression refrigeration circulatory system plays the effect of heat " carrying ".
The bimodulus cooling work pattern that this programme proposes is:
As shown in Figure 4, when control system detects that environment temperature is higher than a certain temperature value, namely under hot operation pattern, close new wind valve, start the work of the U-shaped compression refrigeration circulatory system simultaneously, drive and comprise compressor and condenser fan, evaporator fan and return air fan work.After new wind valve is closed, the left side cavity of electronic equipment casing forms an enclosed space, wherein, air is blown over the heat exchanger of evaporimeter by evaporator fan, and the cooled cooling of air, then flows through air channel cold drawing, after absorbing electronic devices and components heating, be guided to evaporimeter through return air fan, the heat exchanger again through evaporimeter cools, and circulates and so forth.In the right side cavity of equipment box, the blower fan of condenser, sucks the surrounding air outside equipment box in cavity endlessly, flows through condenser heat exchanger, discharges outside casing after absorption refrigeration agent heat through sieve aperture.
As shown in Figure 5, when environment temperature is lower than a certain temperature value, namely under low-temperature working pattern, control system opens new wind valve, only starts blower fan and the return air fan of evaporimeter simultaneously.The left side casing of electronic equipment casing forms an open space, the cool exterior air of the new wind valve opening part from casing top sucks by the blower fan of evaporimeter, flow through air channel cold drawing, after absorbing electronic devices and components heating, through return air fan, discharge outside casing from the new wind valve opening part of lower box.The right side of equipment box does not work completely.Under low-temperature working pattern, the power consumption of system reduces greatly, system becomes simple and reliable, and ensure that the heat radiation of electronic devices and components is unaffected from the sub-cooled air that environment is introduced.
According to this programme, as shown in Figure 6,7, wherein U-shaped compression refrigeration 1 system that circulates have employed 24V DC frequency-changeable compressor to embodiment; The heat exchanger section of its condenser and evaporimeter, is a high-efficiency air cooling parallel-flow heat exchanger, and blower fan is then respectively 3 and 2 axial flow DC fans.Control panel is used for realizing temperature detection, Systematical control and driven compressor (corresponding technical scheme).
In case, electronic equipment is the electronic devices and components of about 200W hear rate, there is printed circuit board pattern, have device pattern, have module pattern etc., be jointly contained on a finned Aluminium Radiator, composition air channel cold drawing (electronic equipment to be cooled and air channel) 5.Electronic equipment casing 2 is made up of aluminium alloy, and on internal face especially muscle, is equipped with the heat-barrier material of 2mm-5mm.Casing offers the ventilation sieve aperture of 3mm-5mm.On equipment cover plate 6, be provided with switch panel 7, have switch and power supply, temperature display function, and can provide air-out and return air temperature display, leaving air temp desired value during refrigeration is arranged.The control of whole system, the integrate control board circulated by compression refrigeration controls, and new air valve (i.e. new wind valve) is direct current drive valve, can aperture about 80%.Complete machine adopts 24V direct current supply, and the work power consumption of the compression refrigeration circulatory system is about 130W, and air-cooled work pattern power consumption is about 20W.When testing environment temperature is too low, start air-cooled mode of operation, open new wind valve 3 and import surrounding air, after cooling electronic apparatus, give off hot-air; Under the high temperature conditions, close new wind valve, start compression refrigeration hot operation pattern.
Implementation result:
Embodiment, by compact refrigeration system and electronic equipment integrated, reach the effect cooling each heater members, and there is the function that temperature detects in real time, regulates.
1) in environment temperature within the scope of 15 DEG C ~ 45 DEG C, by open compression refrigeration, achieve inner closed-loop refrigeration circulation ventilation temperature, all lower than environment temperature 5 ~ 20 DEG C.Ensure that the proper heat reduction of electronic device.
2) by introducing new wind valve, under cryogenic, by the effect closes compression refrigeration system of control system, importing ambient air, reducing the simultaneous adaptation of power consumption refrigeration, air-cooled two kinds of patterns, extending environmental suitability.
3) display and control panel is passed through, can customize temperature value when new wind valve switches, i.e. the threshold temperature of refrigeration, the switching of air-cooled pattern, freely switches compression refrigeration and air-cooled two kinds of patterns, power consumption is about 130W, 20W, can process the application of various environment in-30 DEG C to+60 DEG C temperature ranges respectively.The operating temperature can expanding portable electric appts and cooling system thereof is further interval.
Claims (10)
1. a portable cooling system for bimodulus cooling, is characterized in that: comprise casing and be arranged on the U-shaped compression refrigeration circulatory system in casing, new wind valve, return air fan and air channel cold drawing; The described U-shaped compression refrigeration circulatory system comprises control system and the condenser, compressor and the evaporimeter that are connected successively by connecting line, in connecting line, be filled with cold-producing medium; Described casing is divided into low temperature cavity and high temperature chamber, described condenser and compressor are arranged on high temperature chamber, the casing in high temperature chamber have at least two places offer ventilation sieve aperture, described evaporimeter, return air fan and air channel cold drawing are arranged on low temperature cavity, offer upper and lower two place's ventilation sieve apertures at the wall box of low temperature cavity, new wind valve is placed in ventilation sieve aperture place also respectively just to evaporimeter and return air fan.
2. the portable cooling system of a kind of bimodulus cooling according to claim 1, is characterized in that: described low temperature cavity and high temperature chamber are separated by muscle, offer breach at described muscle.
3. the portable cooling system of a kind of bimodulus cooling according to claim 2, is characterized in that: described casing is made up of aluminium alloy, cabinet wall face and muscle is equipped with the heat-barrier material of 2mm-5mm.
4. the portable cooling system of a kind of bimodulus cooling according to claim 1, is characterized in that: described return air extension set is one or one group of axial flow blower.
5. the portable cooling system of a kind of bimodulus cooling according to claim 1, is characterized in that: described compressor is a kind of miniature 24V DC frequency-changeable compressor.
6. the portable cooling system of a kind of bimodulus cooling according to claim 1, is characterized in that: the heat exchanger of described condenser and evaporimeter is high-efficiency air cooling parallel-flow heat exchanger.
7. the portable cooling system of a kind of bimodulus cooling according to claim 1, is characterized in that: the blower fan of described condenser and evaporimeter is respectively 3 and 2 axial flow DC fans.
8. the portable cooling system of a kind of bimodulus cooling according to claim 1, is characterized in that: described air channel cold drawing is finned Aluminium Radiator.
9. the portable cooling system of a kind of bimodulus cooling according to claim 1, is characterized in that: described new wind valve is the direct current drive valve of plate type.
10. the portable cooling system of a kind of bimodulus cooling according to claim 1, is characterized in that: the aperture of described ventilation sieve aperture is 3mm-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520882158.6U CN205090650U (en) | 2015-11-06 | 2015-11-06 | Portable cooling system of bimodulus refrigerated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520882158.6U CN205090650U (en) | 2015-11-06 | 2015-11-06 | Portable cooling system of bimodulus refrigerated |
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| Publication Number | Publication Date |
|---|---|
| CN205090650U true CN205090650U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520882158.6U Expired - Fee Related CN205090650U (en) | 2015-11-06 | 2015-11-06 | Portable cooling system of bimodulus refrigerated |
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| CN (1) | CN205090650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605815A (en) * | 2015-11-06 | 2016-05-25 | 中国电子科技集团公司第二十九研究所 | Portable cooling system with two cooling modes |
-
2015
- 2015-11-06 CN CN201520882158.6U patent/CN205090650U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605815A (en) * | 2015-11-06 | 2016-05-25 | 中国电子科技集团公司第二十九研究所 | Portable cooling system with two cooling modes |
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| 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: 20160316 Termination date: 20181106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |