CN1200801A - Refrigerating method and device - Google Patents
Refrigerating method and device Download PDFInfo
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- CN1200801A CN1200801A CN95197972A CN95197972A CN1200801A CN 1200801 A CN1200801 A CN 1200801A CN 95197972 A CN95197972 A CN 95197972A CN 95197972 A CN95197972 A CN 95197972A CN 1200801 A CN1200801 A CN 1200801A
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- gas
- holder
- sorbing material
- valve
- adsorbable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Separation Of Gases By Adsorption (AREA)
Abstract
A refrigerating device including a pressure-sealed container (1) lined with an adsorbent material (2) and further including an adjustable-calibre valve (7) with a bore communicating both with the inside of the container and with the environment, and means (5,6) for temporarily connecting said container to a pressurised source (10,11) of a gas that can be adsorbed by said adsorbent material. The device may be used in refrigerated garments or portable refrigerators.
Description
The present invention relates to a kind of cooling means and a kind of cooling device.
At present, such as various fields such as portable cooling device and cooling clothes, all need the portable cooling device of a kind of on-electric.
People have advised at first passing through CO
2Absorption on a kind of sorbing material, cool off by the desorb of adsorbate then.Document EP-A-0523849 has described a kind of device based on this principle, and this device is made of a cylinder and a piston, and described cylinder is equipped with a kind of sorbing material and a kind of Compressed Gas (CO for example
2), described piston makes gas be adsorbed by sorbing material by a compressor compresses gas.When piston-retraction, gas is by desorb, thereby cools off.Because continuous compression and decompression just forms a cold-zone and a hot-zone on sorbing material.Member (fin) is configured to make the hot-zone cooling, and the frigorie low temperature of cold-zone is transmitted to a zone to be cooled.
This device needs a compressor to the piston effect, so weight is big, and floor space is also big.Obviously, this device is not a kind of portable cooling device.
No. 9309348 french patent applications that on July 29th, 1993 submitted to have also been described a kind of CO of passing through
2The device that cools off of adsorption/desorption, this device comprises that at least one is furnished with a kind of zone of solid-state sorbing material, it is characterized in that, this sorbing material comprises activated carbon fiber or a kind of active carbon, and have the specific area of at least 700 meters squared per gram and an external surface area of at least 0.005 meters squared per gram.Single-lift or absorption chiller has also been described in above-mentioned patent application specially, and these devices will use two interconnect area and heating member, therefore is unsuitable for making mancarried device.
Up to now, the refrigerating method that can adopt in mancarried device does not also reach gratifying degree.
The present invention relates to a kind of new cooling means, this method at first by a kind of sorbing material in the holder to a kind of absorption of adsorbable pressurization gas, cool off by the desorb of described gas then, it is characterized in that, gas is carried out desorb a kind of under greater than atmospheric controlled pressure, its feature also is, is discharged in the atmosphere by the gas of desorb or collects in the trap.
Opposite with existing method, neither re-used by the gas of desorb, be not transported to another zone to be used for recirculation in the future yet, like this, this characteristics allow to make simple portable cooling device.
So-called " controlled pressure ", refer to a kind of constant compression force or be constant compression force substantially, or a kind of variable pressure, the variation of this pressure is according to certain parameter, especially according to the temperature of the device that uses the inventive method, perhaps the temperature of the cooled region that is cooled off by a device that uses the inventive method is regulated.
The desorb of gas is carried out under greater than atmospheric controlled pressure, is equipped with in the holder of sorbing material to avoid air to reenter.
Therefore, the present invention relates to a kind of portable cooling device simple for production.
The invention particularly relates to a kind of cooling device, this device comprises a withstand voltage holder that a kind of sorbing material is housed, it is characterized in that, it also comprises an adjustable calibrating value valve and some members, the passage one side of described valve and the internal communication of holder, with external communications, described member is used to make described holder can be communicated with by the pressurized gas source that described sorbing material is adsorbed is instantaneous with a kind of on the other hand.
According to a kind of embodiment, described member is made up of an automatic enclosed type snap joint that is two parts, wherein, a partial fixing in two parts is on holder, and another partial fixing is on described valve, so that holder can separate with valve, and continuous with described pressurized gas source so that be full of with adsorbable gas.
In other embodiments, also can use a kind of impingement aerating device again, that is to say, this aerating device again comprises a needle-valve and a diaphragm, the passage of described needle-valve links to each other with the chamber that is limited by holder by a valve or similar component, described diaphragm is configured on the adsorbable pressurized gas source, when needs inflate for holder again, makes needle-valve pass through diaphragm.
Adsorbable gas is carbon dioxide (CO preferably
2), valve export directly feeds in the atmosphere.
In other embodiments, adsorbable gas can be ammonia (NH
3), in this case, valve export feeds in the water trap, and this water trap is used for absorbing by the ammonia of desorb and avoids or make it as few as possible to be discharged into atmosphere.
Also can use a kind of system, so that be that cool off on the basis based on two or some heat contents systems (absorption mutually) rather than with a heat content system with adsorbed material.This system for example is carbon dioxide-water system.
The holder of apparatus of the present invention can keep the pressure of the adsorbable gas that is introduced into.For example, holder can by a kind of metal for example steel or a kind of synthetic material polymeric material that for example contains metallic fiber with good heat conductive performance constitute.
Holder preferably has cylindrical substantially extension shape, so that a big heat-exchange surface is provided.
Enter fully in the sorbing material that is full of holder in order to ensure adsorbable gas, preferably also determine the inlet of adsorbable gas at holder one end, by a configuration tubule perforation or trellis in holder, an access road of configuration gas, this tubule extends to the other end of holder from the inlet of adsorbable gas.
Sorbing material can be the material of any kind.For example the optimal adsorption material is that some its specific areas are at least 700 meters squared per gram, preferably be at least 1000 meters squared per gram, and external surface area is at least the activated carbon fiber of 0.2 meters squared per gram, the fiber that is called AD ' ALL that for example Japanese OSAKA gas companies is sold, the fiber that is called KF (or K-Filter) and AF that perhaps Japanese TOYOBO company sells, or some its specific areas are at least 700 meters squared per gram, preferably be at least 1000 meters squared per gram, and external surface area is at least 0.005 meters squared per gram, preferably be at least the active carbon of 0.2 meters squared per gram, the charcoal that is called PICACTIF that is numbered TA60 or TA90 that for example French PICA company sells.
Preferably a kind of material with good heat conductive performance is mixed with sorbing material, to improve described sorbing material inside and sorbing material with the heat exchange between the reservoir wall.For example a kind of optimal material with good heat conductive performance is the recompression expanded graphite.LE CARBONE-LORRAINE company has this expanded graphite now.
The mixing of recompression expanded graphite and sorbing material can be carried out like this, at first for example in a cylinder by a piston compression-expansion graphite, then will be together and the recompression expansion porous graphite piece that obtains is immersed in a kind of liquid medium (water or other liquid) with the particle suspension thing of sorbing material, behind the dipping, for example liquid medium is removed by the control heating.
Self-sealing joint is known commercial product fast, for example produce by French STAUBLE company, adjustable calibrating value valve also is known commercial product by the adjustable calibrating value valve that an adjustable compression spring is regulated for example, for example can buy to U.S. NUPRO company (Ohio, USA).
The operation of apparatus of the present invention is very simple, after separating with valve, only need holder is linked on the adsorbable gas source dioxide bottle that for example is furnished with a pressure-reducing valve, adsorbed the adsorbable gas of ideal quantity until sorbing material, this quantity is determined by weighing.Inflating the required time limit again depends on various parameters, still, by a kind of simple routine experimentation, can disposablely determine a suitable time limit.Charge operation is only required the time of a few minutes usually.Most of producers of sorbing material also provide the chart that can determine adsorbate quantity and certain pressure and temperature.
The blowing pressure is only limited by the mechanical strength and the existing adsorbable gas source of apparatus of the present invention holder again.As an illustration, at CO
2Under the situation for adsorbable gas, the blowing pressure can reach (environment temperature is 30 ℃) in 2 to 72 Palestine and Israels again.Gas pressure in the holder is high more, and the air conditioning quantity that certain device produces is just big more.
In case inflation finishes again, and device and source of the gas are separated, and reconnects valve and holder, valve regulated to is greater than the opening pressure of pressing in the holder, to avoid any gas leakage.
When the needs operative installations cools off, only need valve regulated to less than the opening pressure of pressing in the holder, so that the desorb of adsorbate produces some frigorie low temperature that reservoir wall is cooled off.The cold air that produces can adopt any suitable way to exchange with air or a kind of fluid.For example, can the air stream or the liquid that will cool off be flow through around holder by air blast, pump or a similar device.Around the holder configuration itself is for example metal fin or similar component of known heat exchange component, can strengthen heat exchange.
Apparatus of the present invention are applicable to the application that all need a light automatic control cooling source.As an illustration, can enumerate cooling clothes and portable cooling unit.
Described with reference to the accompanying drawings, the present invention will be further understood.
Fig. 1 is the schematic diagram of a cooling device of the present invention;
Fig. 2 is the schematic diagram that device shown in Figure 1 is inflated again.
Cooling device of the present invention comprises a cylinder holder 1 made from stainless steel, this storage Device length is 165 millimeters, and internal diameter is 30.5 millimeters, and external diameter is 33.7 millimeters, in-built a kind of mixing Thing 2, this kind mixture are the initial of the 34.7 activated carbon PICACTIF TA 90 that restrain and 18.7 grams Density is 0.04 recompression expanded graphite.
At little cylindrical shell 3 that is formed by pore net grid of central authorities' configuration of absorption material, this cylindrical shell is from storage One end of storage extends to the other end, is used for arranging that a kind of making can adsorb gas and be easy to enter the absorption material The entrance of all parts. Opening 4 is determined the end at cylindrical shell, and a Quick self-sealing joint Extension tube attached part 5 is welded around described opening. The inner connecting tube part 6 of fast quick coupling is in its side Be welded on the valve 7, the calibration value of this valve is regulated by a button 8. Fig. 1 illustrates The extension tube attached of joint part is connected with inner connecting tube and is in the connection position.
As an illustration, employed joint is provided by STAUBLI company, comprises an extension tube attached SPM5.5 With an inner connecting tube SPM5.5. In its side, be called the regulated calibrating valve door (0 to 15 bar) of 316L From U.S. NUPRO company.
Fig. 2 illustrates the again inflation situation of device shown in Figure 1.
Two parts 5 of fast quick coupling and opened in 6 minutes after, the adsorbed gas of holder 1 same supercharging (CO for example2) bottle 11 pressure-reducing valve 10 links to each other, the extension tube attached part 5 that links to each other with holder 1 Inner connecting tube part 12 with fast quick coupling connects to get up, and inner connecting tube part 12 is similar to the inner connecting tube part 6, link to each other with pressure-reducing valve 10. Therefore, only need to open pressure-reducing valve, just inflate voluntarily. In case fill Depressed bundle is just closed pressure-reducing valve, with two parts 5 with opened in 12 minutes, and after valve-off 7, Reconnect two parts 5 and 6.
As non-limiting example, provide the result who uses twice test that device shown in Figure 1 carries out below, carry out with the working method of constant pressure for the first time, carry out with the working method of variable pressure for the second time.
Embodiment 1: the constant pressure mode
Device carries out CO
2Inflation, the interior pressure in sorbing material are 8.8 crust, and external temperature is 13 ℃.
The calibration value of valve (opening pressure) is adjusted to 1.3 crust.On two different parts of holder 1 wall, record temperature T
1And T
2, temperature T
1Be the temperature that has an end of opening 4 near holder 1, and temperature T
2It then is temperature near holder 1 other end.
Test result is listed in the table below.Pressure P in the holder is carried out periodicity by a Pressure gauge that directly is arranged on the holder and is recorded.
* valve cuts out embodiment 2: the mode of variable pressure
| Time (minute) T 1 T 2 P 0 16 13 8.77 2 2 3 1.31 2.5 3 1 1.29 3 1 0 1.26 3.5 1 0 1.25 4 1 0 1.25 4.5 1 0 1.25 5 2 0 1.25 |
| 5.5 2 1 1.25 6 2 1 1.25 6.5 2 1 1.25 7 3 2 1.26 7.5 3 2 1.26 8 3 2 1.26 8.5 4 3 1.26 9.5 4 3 1.29 10 5 4 1.3 10.5 5 4 1.31 11 5 4 1.32 12 6 5 1.34 13 6 5 1.35 14 7 6 1.35 15 7 6 1.32 16 7 6 1.35 17 7 6 1.36* 18 8 7 1.37 19 8 7 1.38 20 8 7 1.39 21 8 7 1.4 24 9 12 1.43 25 10 12 1.44 50 12 11 1.51 85 13 11 1.58 |
Starting stage, device carries out CO
2Inflation, the interior pressure in sorbing material are 8.2 crust, and environment temperature is 12 ℃.
In current test, the calibration value of valve carries out manual adjustment according to the temperature of wall, so that the temperature of wall is remained on about 6-7 ℃.
Pressure P and temperature T
1And T
2As recording among the embodiment 1.Test result is listed in the table below:
| Time (minute) P T 1?T 2 Tamb 0 7.86 12 12 12 2 4.55 8 8 12 2.5 4.51 7.5 8 12 3 4.52 7.8 8 12 3.5 4.52 8 8 12 4 4.51 8 8 12 4.5 4.51 8 8 12 5 4.51 8 8 12 6 4.51 8 8 12 6.5 4.35 7 7 12 9 3.18 6 7 12 9.5 3.17 6 7 12 10 3.17 6 7 12 11 3.17 6 7 11 12 3.17 6 7 11 13 2.85 6 7 11 14 2.77 6 7 11 15 2.72 6 7 11 16 2.7 6 7 11 17 2.68 6 7 11 18 2.68 6 7 11 19.5 2.3 6 7 11 20 2.16 5 6 11 |
| 21 2.07 5 6 11 22 2.01 5 6 11 24 1.97 5 6 11 25 1.96 5 6 11 26 1.94 5 6 11 27 1.55 5 6 11 28 1.46 4 5 11 29 1.4 4 5 11 30 1.37 4 5 11 32 1.31 4 5 11 35 1.26 4 6 11 36 1.29 5 6 11 |
The test result that comparing embodiment 1 and embodiment 2 are obtained, it is found that, adopt the constant pressure mode, can in the relatively short time, obtain stronger cooling effect relatively, and adopt the variable pressure mode, can obtain the less but more lasting cooling effect of a kind of amplitude.
Certainly, described embodiment only is an embodiment, and people can improve the present invention, especially under the situation that does not exceed the scope of the invention, adopts equivalent technologies to substitute.
Claims (12)
1. cooling means, at first by a kind of sorbing material in the holder to a kind of absorption of adsorbable pressurization gas, cool off by the desorb of described gas then, it is characterized in that, gas is carried out desorb a kind of under greater than atmospheric controlled pressure, be discharged in the atmosphere by the gas of desorb or collect in the trap.
2. method according to claim 1 is characterized in that adsorbable gas is carbon dioxide.
3. method according to claim 1 and 2 is characterized in that, gas carries out desorb under a kind of substantially invariable pressure.
4. method according to claim 1 and 2 is characterized in that, gas carries out desorb under a kind of variable pressure, and the variation of pressure is regulated according to certain temperature.
5. method according to claim 1 is characterized in that, sorbing material mixes mutually with a kind of material with thermal conductive resin.
6. according to the described method of one of claim 1 to 5, it is characterized in that adsorbable gas is one of composition of a kind of system with adsorbed material.
7. cooling device, comprise a withstand voltage holder (1) that a kind of sorbing material (2) is housed, it is characterized in that, it also comprises an adjustable calibrating value valve (7) and member (5,6), the passage of described valve on the one hand with the internal communication of holder, on the other hand with external communications, described member be used to make described holder and a kind of can be by the instantaneous connection of the adsorbable gas source of the supercharging that described sorbing material is adsorbed (10,11).
8. device according to claim 7, it is characterized in that, described member is made up of an automatic enclosed type snap joint that is two parts, wherein, a partial fixing in two parts is on holder, and another partial fixing is on described valve, so that holder can separate with valve, and links to each other so that be full of with adsorbable gas with described pressurized gas source.
9. according to claim 7 or 8 described devices, it is characterized in that described gas source is a carbon dioxide air source.
10. according to claim 7,8 or 9 described devices, it is characterized in that sorbing material is selected in activated carbon fiber and active carbon.
11., it is characterized in that it also comprises a porous or net palisade tubule (3) according to the described device of one of claim 7 to 10, this pipe extends to the other end of holder from the ingate of the adsorbable gas that is configured in holder one end.
12., it is characterized in that sorbing material mixes mutually with a kind of material with thermal conductive resin according to claim 7 or 10 described devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95197972A CN1097709C (en) | 1995-10-06 | 1995-10-06 | Refrigerating method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95197972A CN1097709C (en) | 1995-10-06 | 1995-10-06 | Refrigerating method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1200801A true CN1200801A (en) | 1998-12-02 |
| CN1097709C CN1097709C (en) | 2003-01-01 |
Family
ID=5083470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95197972A Expired - Fee Related CN1097709C (en) | 1995-10-06 | 1995-10-06 | Refrigerating method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1097709C (en) |
-
1995
- 1995-10-06 CN CN95197972A patent/CN1097709C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1097709C (en) | 2003-01-01 |
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