CN202002386U - Pneumatic air wave refrigerator - Google Patents
Pneumatic air wave refrigerator Download PDFInfo
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- CN202002386U CN202002386U CN2011200510909U CN201120051090U CN202002386U CN 202002386 U CN202002386 U CN 202002386U CN 2011200510909 U CN2011200510909 U CN 2011200510909U CN 201120051090 U CN201120051090 U CN 201120051090U CN 202002386 U CN202002386 U CN 202002386U
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- hollow main
- high pressure
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Abstract
The utility model relates to a pneumatic air wave refrigerator which comprises a body and a rotary distributor arranged in the body in a sealing way. A cooling air collection part is arranged in an inner cavity of the body which is communicated with oscillating tubes; a hollow main shaft of the rotary distributor is communicated with the oscillating tubes, wherein opening ends of the hollow main shaft are connected with an inflation tube respectively and at least two paths of high pressure gas can respectively pass through the inflation tube to be arranged in the oscillation tubes to form a high pressure refrigeration loop; impellers are arranged on the hollow main shaft of the rotary distributor, a gas drive entrance and a gas drive exist are respectively on side walls of the body in a penetrating way and at least one path of high pressure gas enters the cooling air collection part from the gas drive entrance to drive the impellers to rotate to form a high pressure speed regulating loop. By utilizing the pneumatic gas wave refrigeration machine, the refrigeration efficiency is improved, the speed regulation can also be actively carried out without the use of a motor,, and the pneumatic air wave refrigerator has a compact structure, convenience in operation and easiness in control.
Description
Technical field
The utility model relates to a kind of refrigerating machine, relates in particular to a kind of pneumatic type air wave refrigerating device.
Background technology
Existing low-temperature refrigeration technology adopts the mode of multi-stage compression cold-producing medium to reach the purpose of low temperature more.The first order is compressed a kind of cold-producing medium, second kind of cold-producing medium of second level compression on the basis that absorbs the cold of using first order compression gained, vaporization heat absorption by cold-producing medium reaches the purpose of cooling, and to compress employed cold-producing medium liquefaction point temperature lower than first order cold-producing medium liquefaction point temperature in the second level usually.Adopt this refrigeration modes that many shortcomings are arranged: at first, owing to adopt multi-stage compression, refrigerating efficiency is low; Secondly, owing to must adopt cold-producing medium, be unfavorable for environmental protection; Once more, because the risk that exists cold-producing medium to leak adopts this Refrigeration Technique to have potential safety hazard.
Usually use following two kinds of gas wave refrigeration structures in the prior art, a kind of air wave refrigerating device that is to use motor, it is by driven by motor gas distributor rotary refrigerating.Another kind is the rotatable air wave refrigerating device of spin, and it is that the gas of gas distributor sprays into airflow direction and oscillating tube technical scheme at an angle to each other in the oscillating tube, and the gas in the oscillating tube rotates gas distributor under the effect of gas backwash power.
More than two kinds of gas wave refrigeration structures all have certain design defect, for example: use the air wave refrigerating device of motor, because the rotation of the main shaft of air wave refrigerating device need be by the drive running of motor.Like this, the main shaft of air wave refrigerating device just must place the outside of the casing of air wave refrigerating device, owing to be gases at high pressure in the casing of air wave refrigerating device, so inevitably can produce the leakage of gas, for Cryo Equipment, has increased the leakage of cold simultaneously.When particularly in casing, freezing, exist certain potential safety hazard by imflammable gas.In order to prevent the leakage of gas in the casing, present scheme is to adopt dry gas seals.Nonetheless, it is still inevitable that gas leaks, very high for the cost of the monitoring of the gas of this part leakage and processing, moreover the source of the gas degree of purity that enters air wave refrigerating device is also had certain requirement; For the refrigeration modes that adopts the rotatable air wave refrigerating device of spin, because can not the active adjustment rotating speed, cause the air wave refrigerating device refrigerating efficiency lower.
The utility model content
The utility model embodiment technical problem to be solved is, a kind of pneumatic type air wave refrigerating device is provided, and can significantly promote refrigerating efficiency, still can the active adjustment rotating speed under the situation of not using motor, and compact conformation, simple operation is easy to control.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of pneumatic type air wave refrigerating device, comprise: the wheel that body and sealing are arranged in the described body changes distributor, in the inner chamber of described body, has the cold air collection unit, described inner chamber connection is provided with oscillating tube, the described hollow main shaft that changes distributor of taking turns is communicated with described oscillating tube setting, the openend of the described hollow main shaft gas tube that is tightly connected respectively has at least the two-way gases at high pressure to insert described oscillating tube by described gas tube respectively and forms the high pressure refrigerating circuit;
The described wheel on the described hollow main shaft that changes distributor is provided with impeller, the sidewall of described body connects respectively gas-powered inlet and gas-powered outlet is set, and has at least one road gases at high pressure to insert from described gas-powered inlet and drives described impeller rotation formation high pressure speed control loop the described cold air collection unit.
Described gas tube is set to two of symmetry, two openends that are provided with relatively that are connected described hollow main shaft that the gas tube of described two symmetries seals respectively.
Described body comprises first end cap, casing and second end cap, described first end cap and described second end cap seal two openends that are arranged on described casing respectively, and the gas tube of described two symmetries is fixedly installed on the outside of described first end cap and described second end cap respectively by ring flange.
Described oscillating tube one end and described intracavity inter-connection, the relative other end is provided with sealing.
The rotatable socket of described impeller is fixed on the end of described hollow main shaft;
The described commentaries on classics distributor of taking turns also comprises nozzle, and described nozzle is set in place on the boss at described hollow main shaft middle part.
Described oscillating tube is to be radial pipe structure of arranging, and it is relative that the position of described nozzle setting and the position of the openend of described oscillating tube are provided with, and when described hollow main shaft rotation, described nozzle can be successively connects with the openend of described oscillating tube.
Described oscillating tube is provided with vertical with the surface of described casing.
Described gas-powered inlet and the outlet of described gas-powered are arranged on the end of described casing, and described gas-powered inlet and the outlet of described gas-powered are the through hole structure, the inside and outside gas of described inner chamber can be communicated with;
The gases at high pressure that entered in the described cold air collection unit by described gas-powered inlet can drive described impeller rotation, and are discharged by described gas-powered outlet.
Described impeller comprises any impeller in receded disk impeller or the aial flow impeller.
Implement the utility model embodiment, have following beneficial effect, the pneumatic type air wave refrigerating device of the utility model embodiment, still can the active adjustment rotating speed under the situation of not using motor, greatly reduce cold air collection unit and extraneous heat exchange, simplified the insulation operation, sealing property is better, not only can significantly promote refrigerating efficiency, and its compact conformation, simplified production and linkage editor, reduced production cost, simple operation is easy to control.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, the accompanying drawing that obtains other according to these accompanying drawings still belongs to category of the present utility model.
Fig. 1 is the explosion structural representation of the utility model pneumatic type air wave refrigerating device;
Fig. 2 is the cross-sectional view of the utility model pneumatic type air wave refrigerating device.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
In conjunction with reference to Fig. 1, shown in Figure 2, the pneumatic type air wave refrigerating device of the utility model embodiment, comprise that the wheel that body 1 and sealing are arranged in the described body 1 changes distributor 2, the described wheel on the hollow main shaft 21 that changes distributor 2 is provided with impeller 22, in the inner chamber 14 of described body 1, has cold air collection unit 3, described inner chamber 14 connections are provided with some oscillating tubes 145, described described hollow main shaft 21 of taking turns commentaries on classics distributor 2 is provided with described oscillating tube 145 and is communicated with, and has at least the two-way gases at high pressure to insert respectively and forms the high pressure refrigerating circuit in the described oscillating tube 145;
The sidewall of described body 1 connects respectively gas-powered inlet 142, gas-powered outlet 143 is set, and has at least one road gases at high pressure to insert from described gas-powered inlet 142 and drives described impeller 22 rotations the described cold air collection unit 3 and form the high pressure speed control loops.
It is critical pieces that the pneumatic type air wave refrigerating device is implemented refrigeration that wheel changes distributor 2, it comprises hollow main shaft 21, impeller 22 and nozzle 23, impeller 22 rotatable sockets are fixed on the end of hollow main shaft 21, nozzle 23 is set in place on the boss 24 at hollow main shaft 21 middle parts, in the present embodiment, the size of the inner chamber 141 of the sectional dimension of boss and casing 14 is provided with quite, the position that nozzle 23 is provided with is provided with relative with the position of casing 14 oscillating tubes 145 openends, when 21 rotations of hollow main shaft, nozzle 23 can be successively connects with the openend of oscillating tube 145, the concrete shape of boss does not limit, and can connect with the inwall of inner chamber 141 in the rotary course medial end portions as long as satisfy it.Like this, the roughly the same nozzle 23 of opening size and oscillating tube 145 openend sizes just can spray into the gases at high pressure in the hollow main shaft 21 in the oscillating tube 145 successively.
Hollow main shaft 21 is bearing arrangements of hollow, its both ends open, and be connected with nozzle 23, the gas that is entered by hollow main shaft 21 two ends can enter in the inner chamber 141 via nozzle 23, further, because the position that nozzle 23 is provided with is relative with the position that oscillating tube 145 openends that casing 14 outsides have are provided with, the gas of being discharged by nozzle 23 can directly enter in the oscillating tube 145.
Preferably, impeller 22 comprises any in receded disk impeller or the aial flow impeller.
During concrete enforcement, the two ends of body 1 first end cap 12 and second end cap 16 are provided with gas tube 4 respectively, this gas tube 4 comprises first gas tube 41 that is fixed on first end cap, 12 through holes, 121 places, with second gas tube 42 that is fixed on second end cap, 16 through holes, 161 places, first gas tube 41, the outside of second gas tube 42 is fixed flange 43 respectively, wherein ring flange 43 can be separately fixed at the outside of first end cap 12 and second end cap 16 by screw or bolt, that is to say, the surface of ring flange and first side cover 12, the surperficial correspondence of second side cover 16 is offered screw and blind hole, when first gas tube 41, the end of second gas tube 42 is passed first side cover 12 respectively, the middle part through hole 121 of second side cover 16,161 and be plugged on wheel when changeing on the openend of distributor 2 hollow main shafts 21, can use bolt or screw (as shown in the figure 195,196,197,198) ring flange 43 is separately fixed at first side cover 12, the outside of second side cover 16.
Preferably, the end of first gas tube 41, second gas tube 42 is tightly connected and is arranged on the openend of hollow main shaft 21.
Preferably, nozzle 23 also can be inserted in the inner chamber 141, does not influence the enforcement of scheme.
During enforcement, the two-way gases at high pressure can be inserted respectively the casing hollow main shaft 21 from first gas tube 41, second gas tube 42 respectively, and the gas that enters hollow main shaft 21 sprays in the oscillating tube 145 with the velocity of sound via nozzle 23.
Cold air collection unit 3 is positioned at the outside of described hollow main shaft 21 and is changeed the formed annulus of inner chamber 141 enclosings of distributor 2 by wheel.Cold air collection unit 3 is area of space of the main in the course of the work gas refrigeration process of pneumatic type air wave refrigerating device, it also is gases at high pressure are inserted described impeller 22 rotations formation of described cold air collection unit 3 rear drives high pressure speed control loop from described gas-powered inlet 142 area of space, to be aforementioned gases at high pressure enter gas acting process behind the oscillating tube 145 via the nozzle on the hollow main shaft 21 23 to the process of refrigerastion of cold air collection unit 3, and the high pressure speed regulation process carries out in cold air collection unit 3 equally, that is gases at high pressure are inserted from described gas-powered inlet 142, and described impeller 22 rotations of described cold air collection unit 3 rear drives form.
The pneumatic type air wave refrigerating device of the utility model embodiment is when concrete assembling, can earlier impeller 22 sockets be arranged on the end of hollow main shaft 21, hollow main shaft 21 is being inserted in the inner chamber 141 of casing 14, because impeller 22, the size of the size of the boss 24 that is provided with hollow main shaft 21 middle parts and the inwall 141 of casing 14 is provided with roughly the same, after the hollow main shaft 21 of sheathed impeller 22 is inserted in the inner chamber 141 of casing 14, the boss 24 of hollow main shaft 21 just docks in the inwall 141(present embodiment of casing 14, boss 24 is set to contactless mode, the gap of itself and inwall is very little, when 2 rotations of runner distributor, take seal means to stop high pressure gas leakage in inner chamber 141 around the nozzle 23), the central axis of hollow main shaft 21 just with the longitudinal axis of casing 14 on same straight line.And then, on first gas tube 41, second gas tube, 42 difference fixed flanges 43, again with the outboard end of its overall fixed at first side cover 12, second side cover 16.Concrete, because the surperficial correspondence of the surface of ring flange 43 and first side cover 12, second side cover 16 is offered screw and blind hole, when the end of first gas tube 41, second gas tube 42 is passed the middle part through hole 121,161 of first side cover 12, second side cover 16 respectively and be plugged on the openend of taking turns commentaries on classics distributor 2 hollow main shafts 21, can use bolt or screw ring flange 43 to be separately fixed at the outside of first side cover 12, second side cover 16.What deserves to be explained is, because first gas tube 41, second gas tube 42 are fixed on the middle part of ring flange 43, when making assembling, first gas tube 41 and second gas tube, 42 longitudinal axis just with the longitudinal axis of hollow main shaft 21 on same straight line, and because the caliber size of gas tube 4 is just suitable with the caliber size of hollow main shaft 21, after assembling was finished, the end of first gas tube 41, second gas tube 42 was tightly connected and is arranged on the openend of hollow main shaft 21.So far, finished assembling to the pneumatic type air wave refrigerating device.
Be understandable that, the erection sequence of gas tube 4 and end cap does not limit in the above-described embodiment, also can earlier the ring flange 43 of having fixed gas tube be fixed on the end cap, in integral body end cap is fixed, can accurately gas tube be sealed in the openend of hollow main shaft equally, not influence concrete enforcement.
The pneumatic type air wave refrigerating device of the utility model embodiment in the specific implementation, the two-way gases at high pressure are arranged respectively from first gas tube 41, second gas tube 42 is inserted in the hollow main shaft 21, because the middle part of the hollow main shaft 21 that connects is provided with nozzle 23, the extruding ejection from the nozzle 23 that hollow main shaft 21 middle parts are provided with rapidly of two-way gases at high pressure, because the aisle spare of nozzle 23 is limited, gas is flowed through, and the process of nozzle 23 is real to be the accelerator of gases at high pressure, the flow velocity of gases at high pressure is accelerated to the velocity of sound, because the axial cross section of the oscillating tube 145 that the position that is provided with on boss 24 of nozzle 23 just is convexly equipped with casing 14 outer walls at grade, and the boss 24 of hollow main shaft 21 just docks the inwall 141 of casing 14, gas nozzle 23 back of flowing through is directly sprayed in the oscillating tube 145 that openend is set in inner chamber 141, that is to say, when nozzle 23 and oscillating tube 145 openends connect, gases at high pressure through quickening to oscillating tube 145 in original gas acting, in this process, original gases are accepted the energy of the velocity of sound gases at high pressure just injected and temperature and pressure are raise in the oscillating tube 6, the velocity of sound gases at high pressure of incident are because externally acting, and self temperature and pressure reduces.Simultaneously, because runner distributor 2 is (the driving its rotating manner in back one section detailed description) of rotating always, when runner distributor 2 drove hollow main shafts 21 and rotates, the current oscillating tube 145 of nozzle 23 disengagings connected with the oscillating tube 145 of next position.After this, the gas in original oscillating tube 6 is owing to nozzle 23 leaves, and the gas that quilt is wherein lowered the temperature returns from oscillating tube 6 to the inner chamber 141 of casing 14, and is discharged by cold air outlet 144.
In addition, also have one road gases at high pressure to insert the described cold air collection unit 3 from described gas-powered inlet 142, these road gases at high pressure can drive the impeller 22 that socket is arranged on the hollow main shaft 21 and be rotated, in impeller 22 rotary courses, can drive the rotation of hollow main shaft 21, the gases at high pressure of being inserted in the cold air collection unit 3 by gas-powered inlet 142 will export 143 discharges from gas-powered.That is to say, insert the pressure and Flow-rate adjustment hollow main shaft 21 rotating speeds of cold air collection unit 3 mesohigh gases by control, for example, when pressure of inserting cold air collection unit 3 mesohigh gases by gas-powered inlet 142 and flow reduction, the also corresponding reduction of the rotating speed of hollow main shaft 21 can improve the refrigerating efficiency of pneumatic type air wave refrigerating device by the rotating speed of above-mentioned active adjustment hollow main shaft 21.
The pneumatic type air wave refrigerating device of the utility model embodiment, not using under the situation of motor still can the active adjustment rotating speed, greatly reduce cold air collection unit and extraneous heat exchange, simplified the insulation operation, sealing property is better, not only can significantly promote refrigerating efficiency, and its compact conformation, simplified production and linkage editor, reduced production cost, simple operation is easy to control.
Above disclosed only is a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (9)
1. pneumatic type air wave refrigerating device, comprise: the wheel that body and sealing are arranged in the described body changes distributor, in the inner chamber of described body, has the cold air collection unit, described inner chamber connection is provided with oscillating tube, the described hollow main shaft that changes distributor of taking turns is communicated with described oscillating tube setting, it is characterized in that the openend of the described hollow main shaft gas tube that is tightly connected respectively has at least the two-way gases at high pressure to insert described oscillating tube by described gas tube respectively and forms the high pressure refrigerating circuit;
The described wheel on the described hollow main shaft that changes distributor is provided with impeller, the sidewall of described body connects respectively gas-powered inlet and gas-powered outlet is set, and has at least one road gases at high pressure to insert from described gas-powered inlet and drives described impeller rotation formation high pressure speed control loop the described cold air collection unit.
2. pneumatic type air wave refrigerating device as claimed in claim 1 is characterized in that, described gas tube is set to two of symmetry, and the gas tube of described two symmetries is sealedly connected on two openends that are provided with relatively of described hollow main shaft respectively.
3. pneumatic type air wave refrigerating device as claimed in claim 2, it is characterized in that, described body comprises first end cap, casing and second end cap, described first end cap and described second end cap seal two openends that are arranged on described casing respectively, and the gas tube of described two symmetries is fixedly installed on the outside of described first end cap and described second end cap respectively by ring flange.
4. pneumatic type air wave refrigerating device as claimed in claim 3 is characterized in that, described oscillating tube one end and described intracavity inter-connection, and the relative other end is provided with sealing.
5. pneumatic type air wave refrigerating device as claimed in claim 4 is characterized in that, the rotatable socket of described impeller is fixed on the end of described hollow main shaft;
The described commentaries on classics distributor of taking turns also comprises nozzle, and described nozzle is set in place on the boss at described hollow main shaft middle part.
6. pneumatic type air wave refrigerating device as claimed in claim 5, it is characterized in that, described oscillating tube is to be radial pipe structure of arranging, the position of described nozzle setting is provided with relative with the position of the openend of described oscillating tube, when the rotation of described hollow main shaft, described nozzle can be successively connects with the openend of described oscillating tube.
7. pneumatic type air wave refrigerating device as claimed in claim 6 is characterized in that, described oscillating tube is provided with vertical with the surface of described casing.
8. pneumatic type air wave refrigerating device as claimed in claim 3, it is characterized in that, described gas-powered inlet and the outlet of described gas-powered are arranged on the end of described casing, and described gas-powered inlet and the outlet of described gas-powered are the through hole structure, the inside and outside gas of described inner chamber can be communicated with;
The gases at high pressure that entered in the described cold air collection unit by described gas-powered inlet can drive described impeller rotation, and are discharged by described gas-powered outlet.
9. as each described pneumatic type air wave refrigerating device of claim 1-8, it is characterized in that described impeller comprises any impeller in receded disk impeller or the aial flow impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200510909U CN202002386U (en) | 2011-03-01 | 2011-03-01 | Pneumatic air wave refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200510909U CN202002386U (en) | 2011-03-01 | 2011-03-01 | Pneumatic air wave refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202002386U true CN202002386U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200510909U Expired - Lifetime CN202002386U (en) | 2011-03-01 | 2011-03-01 | Pneumatic air wave refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202002386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121759A (en) * | 2011-03-01 | 2011-07-13 | 深圳市力科气动科技有限公司 | Pneumatic gas wave refrigerator |
-
2011
- 2011-03-01 CN CN2011200510909U patent/CN202002386U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121759A (en) * | 2011-03-01 | 2011-07-13 | 深圳市力科气动科技有限公司 | Pneumatic gas wave refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20120613 |