CN207540200U - A kind of return-air utilizes device - Google Patents
A kind of return-air utilizes device Download PDFInfo
- Publication number
- CN207540200U CN207540200U CN201721022017.2U CN201721022017U CN207540200U CN 207540200 U CN207540200 U CN 207540200U CN 201721022017 U CN201721022017 U CN 201721022017U CN 207540200 U CN207540200 U CN 207540200U
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- Prior art keywords
- air
- return
- refrigerant
- connector
- quick coupling
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Abstract
The utility model is related to a kind of return-airs to utilize device, refrigeration unit including being sequentially connected with into circuit, air admission quick coupling, conveying pipe of refrigerant, return-air quick coupling and return-air unit, refrigeration unit includes refrigerant memory and the heat exchanger being suspended in refrigerant memory, heat exchanger connects air admission quick coupling by air inlet pipe, return-air unit connects refrigerant memory by muffler, by the fin pipe that helical structure is set in return-air unit, both return-air can have been made to flow guiding airflow direction along helical structure direction, heat exchange area is increased again, contribute to the raising of return-air utilization ratio.
Description
Technical field
The utility model is related to cryoablation fields, and in particular to a kind of return-air utilizes device.
Background technology
Cold therapy is to utilize the target tissue of extremely low temperature and the system of design for treatment.Usually conveying refrigerant arrives
Target tissue site, and heat exchange is carried out with target tissue, target tissue cell undergoes certain thermal history, causes target tissue cell bad
Extremely, so as to achieve the purpose that treatment.This kind of system will use working fluid, and working fluid is generally passed through by high pressure gas at normal temperature
It crosses heat exchange to be formed, when working fluid is transported to target tissue site, only partial working stream takes part in heat exchange, causes certain
Measure the waste of the energy.
Chinese patent application No. is CN201520831175.7 discloses a kind of refrigeration equipment return-air heat-exchanger rig, packet
The return-air collector for being inserted into inspiratory limbs is included, the both sides of return-air collector are equipped with sealing plate, and liquid feeding pipeline passes through sealing plate, and liquid feeding pipeline includes
Feed flow inlet tube, feed flow outlet tube and interior heat exchanger tube, interior heat exchanger tube are located in return-air collector, and both ends are connected respectively outside return-air collector
Feed flow inlet tube and feed flow outlet tube.The device is not thorough or is only utilized the very little part energy of refrigerant there are still exchanging
The problem of amount.
Invention content
The purpose of this utility model is that solving problems of the prior art, provide a kind of return-air utilization rate high time
Gas utilizes device.
The utility model aim is achieved through the following technical solutions：
A kind of return-air utilizes device, and refrigeration unit, air admission quick coupling, refrigerant including being sequentially connected with into circuit convey
Pipe, return-air quick coupling and return-air unit, the refrigeration unit include refrigerant memory and are suspended at the refrigerant storage
Heat exchanger in device, the heat exchanger connect the air admission quick coupling by air inlet pipe, and the return-air unit is by returning
Tracheae connects the refrigerant memory.
Preferably, the return-air unit includes the first connector and the second connector that are connected by muffler, and described the
One end of two connectors is connected with the return-air quick coupling, and the other end and the heat exchanger of second connector connect
Logical, one end of first connector is connected by muffler with the refrigerant memory.
Preferably, when the air inlet pipe passes through the return-air unit, the air inlet pipe is arranged on the muffler
Inside, the air inlet pipe seals at second connector so that air-flow is handed over by the other end of the second connector with the heat
Parallel operation connects.
Preferably, fin pipe is set in the air inlet pipe in the return-air unit.
Preferably, first connector and the second connector are three-way connections.
Preferably, the conveying pipe of refrigerant is flexibly connected respectively with the return-air quick coupling and air admission quick coupling.
Compared with prior art, the beneficial effects of the utility model are mainly reflected in：
The inside that the return-air of the utility model is arranged on muffler using the air inlet pipe of device in cooled via return air unit can
Fully to carry out heat exchange, return-air utilization ratio is helped to improve；By setting fin pipe in the air inlet pipe in return-air unit,
The helical structure of fin pipe can both make return-air flow guiding airflow direction along helical structure direction so that the heat-transfer surface of return-air
Product increase, brings return-air rate to increase so that freezing air inflow increases within the unit interval, freezes air inflow in this way and is flowed into system
The refrigerant in the freezing region of cryogen delivery pipe becomes more, so that conveying pipe of refrigerant freezing performance is improved significantly,
And the increase of return-air rate can increase return-air amount within the unit interval, and compared to original structure, the increase of return-air amount causes
Heat transfer time is reduced in unit interval, reduces the time of heat transmission and the consumption of refrigerant in the unit interval can be caused to reduce, from
And further improve the utilization rate of energy.
Description of the drawings
Fig. 1 is that the return-air of the utility model utilizes the structure diagram of device；
Fig. 2 is the sectional view in an axial direction of the return-air unit of the utility model；
Wherein：1 is refrigerant memory, and 2 be heat exchanger, and 3 be conveying pipe of refrigerant, and 4a is return-air quick coupling, 4b
It is air admission quick coupling, 5a is the first connector, and 5b is the second connector, and 6 be fin pipe, and 7 be air inlet pipe, and 8 be muffler.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, develop simultaneously implementation below in conjunction with attached drawing
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is novel, it is not used to limit the utility model.
As illustrated in fig. 1 and 2, a kind of return-air of the utility model utilizes device, the refrigeration list including being sequentially connected with into circuit
Member, air admission quick coupling 4b, conveying pipe of refrigerant 3, return-air quick coupling 4a and return-air unit, the refrigeration unit include refrigeration
Agent memory 1 and the heat exchanger 2 being suspended in the refrigerant memory 1, the heat exchanger 2 are connected by air inlet pipe 7
The air admission quick coupling 4b, the return-air unit connect the refrigerant memory 1 by muffler 8.The return-air unit
Including the first connector 5a and the second connector 5b connected by muffler 8, one end of the second connector 5b with it is described
Return-air quick coupling 4a is connected, and the other end of the second connector 5b is connected with the heat exchanger 2, first connector
One end of 5a is connected by muffler 8 with the refrigerant memory 1.When the air inlet pipe 7 by return-air unit when, it is described into
Tracheae 7 is arranged on the inside of the muffler 8, and the air inlet pipe 7 seals at the second connector 5b so that air-flow leads to
The other end for crossing the second connector 5b is connected with the heat exchanger 2.Air inlet pipe 7 in return-air unit is in the inside of muffler 8
Heat exchange can be fully carried out, helps to improve return-air utilization ratio.
Fin pipe 6 is set in the air inlet pipe 7 in the return-air unit, the fin pipe 6 is helical structure, air-flow along
Inner wall of the air inlet pipe 7 through fin pipe 6, heat exchanger 2, air admission quick coupling 4b and conveying pipe of refrigerant 3 are formed into air circuit；Gas
Stream is from conveying pipe of refrigerant 3 along the outer wall spiral of 8 cooled via return air quick coupling 4a of muffler, the second connector 5b and fin pipe 6
Structure enters refrigerant memory 1 and forms return-air circuit.The helical structure of fin pipe 6 can guide return-air so that return-air changes
Hot area increase, brings return-air rate to increase so that freezing air inflow increases within the unit interval, freezes air inflow in this way and flows into
Refrigerant to the freezing region of conveying pipe of refrigerant 3 becomes more, so that the freezing performance of conveying pipe of refrigerant 3 obtains substantially
Degree is promoted.And the increase of return-air rate can increase return-air amount within the unit interval, compared to original structure, the increase of return-air amount
So that heat transfer time is reduced within the unit interval, reducing the time of heat transmission can cause the consumption of refrigerant in the unit interval to subtract
It is few, so as to further improve the utilization rate of energy.Welding or bonding or other may be used in connection between above-mentioned all parts
Equivalent connection mode.The conveying pipe of refrigerant 3 is flexibly connected with the return-air quick coupling 4a and air admission quick coupling 4b.
In operation, first, the room temperature working gas in gas cylinder out passes through return-air unit through air inlet pipe 7
Sufficient heat exchange being carried out through heat exchanger 2 again and becoming work refrigerant, it is fast that this work refrigerant by air inlet pipe 7 is transported to air inlet
It at quick coupling 4b, then is transported in conveying pipe of refrigerant 3, is exported by the cryoablation of conveying pipe of refrigerant 3, release freezing energy
Amount and target tissue exchange heat.It exchanges the work refrigerant after heat and becomes cryogenic gas, cooled via return air pipe 8 is by return-air quick coupling
4a, the second connector 5b and fin pipe 6 are flowed into refrigerant reservoir 1.Low temperature return-air is flowing through the second company by muffler 8
When between fitting 5b and the first connector 5a, by fin pipe 6, fin pipe 6 is helical structure, and guiding low temperature return-air is along spiral shell
Direction flowing is revolved, extends the stroke of return-air flowing, and fin pipe 6 structure of itself causes the heat exchange area of air inlet pipe 7 to increase.
By suitably sized selection, the intake air temperature stable state consistent with suction temperature can be reached, so as to fulfill return-air most
Bigization utilizes.The return-air being completely heat exchanged is flowed into refrigerant memory 1, then by the refrigerant in refrigerant memory 1
Return-air is liquefied, can maximumlly energy saving recycling, the problem of efficiently solving poisonous and harmful refrigerant-recovery.
The foregoing is merely the preferred embodiment of the utility model, it is not limited to the utility model, it is all in the utility model
All any modification, equivalent and improvement made within spirit and principle etc., should be included within the protection domain of the utility model.
Claims (6)
1. a kind of return-air utilizes device, it is characterised in that：Refrigeration unit, air admission quick coupling including being sequentially connected with into circuit
(4b), conveying pipe of refrigerant (3), return-air quick coupling (4a) and return-air unit, the refrigeration unit include refrigerant memory
(1) and the heat exchanger (2) that is suspended in the refrigerant memory (1), the heat exchanger (2) pass through air inlet pipe (7) even
Lead to the air admission quick coupling (4b), the return-air unit connects the refrigerant memory (1) by muffler (8).
2. return-air according to claim 1 utilizes device, it is characterised in that：The return-air unit includes passing through muffler
(8) the first connector (5a) and the second connector (5b), one end of second connector (5b) and the return-air of connection are fast
Quick coupling (4a) connects, and the other end of second connector (5b) is connected with the heat exchanger (2), first connector
The one end of (5a) is connected by muffler (8) with the refrigerant memory (1).
3. return-air according to claim 2 utilizes device, it is characterised in that：When the air inlet pipe (7) passes through the return-air
During unit, the air inlet pipe (7) is arranged on the inside of the muffler (8), and the air inlet pipe (7) is in second connector
Sealing at (5b) is so that air-flow is connected by the other end of the second connector (5b) with the heat exchanger (2).
4. return-air according to claim 3 utilizes device, it is characterised in that：The air inlet pipe in the return-air unit
(7) fin pipe (6) is set on.
5. return-air according to claim 2 utilizes device, it is characterised in that：First connector (5a) and the second connection
Part (5b) is three-way connection.
6. return-air according to claim 1 utilizes device, it is characterised in that：The conveying pipe of refrigerant (3) respectively with institute
State return-air quick coupling (4a) and air admission quick coupling (4b) flexible connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721022017.2U CN207540200U (en) | 2017-08-16 | 2017-08-16 | A kind of return-air utilizes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721022017.2U CN207540200U (en) | 2017-08-16 | 2017-08-16 | A kind of return-air utilizes device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207540200U true CN207540200U (en) | 2018-06-26 |
Family
ID=62607802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721022017.2U Active CN207540200U (en) | 2017-08-16 | 2017-08-16 | A kind of return-air utilizes device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207540200U (en) |
-
2017
- 2017-08-16 CN CN201721022017.2U patent/CN207540200U/en active Active
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