Vortex tube
By introducing structures such as an air compressor, a flow guide ring, and a pressure port into the vortex tube, the problem of low cold gas flow efficiency is solved, achieving acceleration and smooth flow of the cold gas and improving the utilization efficiency of the cold gas.
Patent Information
- Application Number
- CN202422749507.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-12
AI Technical Summary
In traditional vortex tubes, the flow efficiency of cold gas is low and the flow is not smooth, resulting in low utilization efficiency of the cold flow.
A vortex tube was designed, including a flow diversion system and a cold flow system. A negative pressure is formed by an air compressor, and the flow of cold gas is accelerated by a flow guide ring and an air pressure port. Combined with a flow diversion plate and a heating structure, the acceleration and smooth flow of cold gas are achieved.
It improves the flow velocity and smoothness of the cold gas, enhances the utilization efficiency of the cold gas, avoids gas backflow, and achieves efficient separation and utilization of the airflow.
Smart Images
Figure CN223610384U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to vortex tube technical field relates to a vortex tube. BACKGROUND
[0002] Vortex tube refrigeration is a kind of method that makes high-speed airflow vortex separation cold, hot two airflow by the action of vortex tube, utilizes cold flow gas molecule inertia velocity, hot flow gas molecule activity velocity, makes two reverse flow separation and obtains refrigeration method.Cold air backflow obtained by tradition is generally directly transported to corresponding component to realize the use of cold flow after backflow through backflow pipe, and the utilization efficiency of cold flow is not high, and there is the problem of inharmonious gas flow. SUMMARY
[0003] To solve the above technical problem, the utility model provides a kind of vortex tube, accelerates cold flow gas flow rate and lets inert cold flow gas flow speed accelerate, and airflow flows smoothly, and cold flow gas backflow can be avoided.
[0004] The technical scheme adopted by the utility model is:
[0005] A kind of vortex tube, including flow guide system and cold flow system, the flow guide system includes air inlet, the air inlet is communicated with the cold and hot gas distribution valve of cold and hot airflow shunt by airflow channel, the airflow channel is located on the wall surface outside cold and hot gas distribution valve and is equipped with hot flow outlet, the hot flow outlet is located at the front side of air outlet;The cold flow system includes backflow pipe at air inlet, the front end of the backflow pipe is communicated with airflow channel and backflow cold flow, the outlet of the backflow pipe is provided with air pressure bag that forms air negative pressure, the radial outer ring of the air pressure bag is provided with the flow guide ring that rotates acceleration is carried out to cold flow, the side of the flow guide ring is provided with the wind pressure port of speed increasing, the wind pressure port is communicated with air outlet by smooth channel, the front side of air outlet is provided with heating structure in the smooth channel, the smooth channel is provided with the flow guide piece that cold flow is guided to heating structure and is heated.
[0006] Further, the air pressure bag includes spherical wall surface and end face, the negative pressure flow area is formed between the spherical wall surface and end face, and the spherical wall surface is communicated with the backflow pipe. The spherical wall surface is smoothly arranged to avoid air blocking and make the gas flow more smoothly.
[0007] Further, the channel communicated with the flow guide ring of the air pressure bag is narrowed along the airflow direction, which can prevent gas backflow and allow the mutual collision and extrusion between cold flow inert gas molecules to continuously stack cold flow gas molecules in the fixed area, generate internal and external negative pressure, and thus form suction phenomenon at the small port outlet, directly provide the acceleration of cold flow gas flow, and increase the flow rate when cold flow flows.
[0008] Further, the wind pressure port is annularly arranged on the wall of the flow guide ring, and the air inlet width of the wind pressure port is greater than the air outlet width of the wind pressure port, so that the air pressure at both ends of the air port presents a pressure difference, and the principle is the same as above, so that the gas flow presents a pressurized accelerated flow. The wind pressure port utilizes the Bernoulli principle, and the inside is large and the outside is small, so that the cold air flow circulating in the flow guide ring is pressurized and accelerated through the wind pressure port.
[0009] Further, the cold flow direction of the wind pressure port is arranged in opposite to the cold flow direction of the backflow pipe. The utility model accelerates the cold flow and guides the cold flow to the air outlet for heating, and then the heated flow and the divided hot flow are combined and blown out.
[0010] Further, the smooth channel is arranged on the outside of the air flow channel, the outer wall of the smooth channel is an arc structure, and the outer wall and / or the inner wall of the smooth channel is provided with a stepped structure, so as to enhance the gas flow and accelerate the gas flow process.
[0011] Further, the air inlet is provided with a direction guide wall for guiding the air flow and a vortex ring air flow wall for vortex flow of the air flow.
[0012] Further, the air inlet is vertically arranged with the air flow channel, and the air inlet sucks the air flow through the external motor.
[0013] Alternatively, the air inlet is arranged in a straight line with the air flow channel, and the air inlet is provided with a vortex air inlet structure.
[0014] Further, the vortex ring air flow wall is arranged on the outside of the backflow pipe, and the direction guide wall is arranged on one side of the vortex ring air flow wall.
[0015] The utility model has the advantages of:
[0016] 1. The air pressure bag is arranged to form air negative pressure, and the gas backflow is prevented.
[0017] 2. The flow guide ring is arranged to accelerate the cold air flow under negative pressure, and the cold air flow rotates around the air ring after entering the flow guide ring.
[0018] 3. The wind pressure port is arranged to utilize the Bernoulli principle, and the inside is large and the outside is small, so that the circulating cold air in the flow guide ring is pressurized and accelerated through the wind pressure port.
[0019] 4. The flow guide piece is arranged to guide the air flow pressurized by the wind pressure port, utilize the power generated by the accelerated gas flow, combine the flow guide piece to generate the centrifugal motion of the air flow, guide to the air outlet, and present the spring turbine form to be sprayed from the air outlet. DRAWINGS
[0020] Figure 1 It is a three-dimensional schematic view of the embodiment one of the utility model.
[0021] Figure 2 It is the left side schematic view of embodiment one of the utility model.
[0022] Figure 3 It is the right side schematic view of embodiment one of the utility model.
[0023] Figure 4 It is the cross section schematic view of embodiment one of the utility model.
[0024] Figure 5 It is the left side schematic view of embodiment two of the utility model.
[0025] Figure 6 It is the right side schematic view of embodiment two of the utility model.
[0026] Figure 7 It is the cross section schematic view of embodiment two of the utility model.
[0027] In the drawing, 1, return pipe;2, air inlet;3, air compressor bag;31, spherical wall surface;32, end face;4, flow guide ring;5, wind pressure port;6, drainage piece;7, heating structure;8, air outlet;9, passageway;10, smooth passageway;11, ladder structure;12, outer wall;13, inner wall;14, airflow passageway;15, direction air guide wall;16, vortex ring airflow wall;17, cold and hot gas distribution valve;18, hot stream outlet. DETAILED DESCRIPTION
[0028] The utility model will be further described below in conjunction with specific embodiments, but will not limit the utility model to these specific embodiments.The person skilled in the art should realize that the utility model covers all alternatives, improvements and equivalents within the scope of claims.
[0029] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.Thus, the features limited by "first", "second" can explicitly or implicitly include one or more of the features.In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more, unless otherwise explicitly limited.
[0030] In the present application, unless otherwise expressly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0031] In the present application, unless otherwise expressly specified and limited, the first feature is "on" or "under" the second feature, which can include direct contact between the first and second features, or indirect contact between the first and second features through another feature therebetween. Moreover, the first feature "on", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.
[0032] Embodiment one
[0033] Reference Figures 1-4 The embodiment provides a vortex tube, which comprises a flow guiding system and a cold flow system, the flow guiding system comprises an air inlet 2, the air inlet 2 is provided with a guide wall 15 for guiding the direction of airflow and a vortex ring airflow wall 16 for vortex flow of airflow, the air inlet 2 is communicated with a cold-hot air distribution valve 17 for cold-hot airflow distribution through an airflow channel 14, the airflow channel 14 is provided with a hot airflow outlet 18 on the wall surface outside the cold-hot air distribution valve 17, and the hot airflow outlet 18 is arranged on the front side of an air outlet 8; the cold flow system comprises a return pipe 1 arranged at the air inlet 2, the front end of the return pipe 1 is communicated with the airflow channel 14 to return cold flow, the outlet of the return pipe 1 is provided with an air pressure bag 3 for forming air negative pressure, the radial outer ring of the air pressure bag 3 is provided with a flow guide ring 4 for rotating and accelerating airflow, one side of the flow guide ring 4 is provided with a wind pressure port 5 for speed increasing, the wind pressure port 5 is communicated with the air outlet 8 through a smooth channel 10, the smooth channel 10 is provided with a heating structure 7 on the front side of the air outlet 8, and the cold flow is heated and then flows out from the air outlet 8 after being mixed with the hot flow.
[0034] The air compression package 3 comprises a spherical wall 31 and an end face 32, a negative pressure flow area is formed between the spherical wall 31 and the end face 32, and the spherical wall 31 is communicated with the return pipe 1. The spherical wall 31 is arranged in a smooth manner, so that the air flow is smooth and the air flow is not blocked. The channel 9, which is communicated with the flow guide ring 4, is gradually narrowed along the air flow direction, so that the air flow is prevented from flowing back and the air flow is accelerated through the mutual collision and extrusion of the air.
[0035] The air pressure port 5 is annularly arranged on the wall of the flow guide ring 4. The air inlet width of the air pressure port 5 is greater than the air outlet width of the air pressure port 5. The air pressure port 5 utilizes the Bernoulli principle, and the inner part is large and the outer part is small, so that the circulating cold air in the flow guide ring 4 is pressurized and accelerated through the air pressure port 5. The air flow direction of the air pressure port 5 is arranged in the opposite direction of the air flow direction of the return pipe 1. The cold air is accelerated and guided to the air outlet, heated, combined with the hot air, and blown out.
[0036] The smooth channel 10 is arranged outside the air flow channel 14. The outer wall 12 of the smooth channel 10 is an arc structure, which enhances the air flow and accelerates the air flow process. The inner wall 13 of the smooth channel 10 is provided with a stepped structure 11. Of course, the stepped structure 11 can also be arranged on the outer wall 12. The outer wall 12 of the smooth channel 10 is provided with a drainage sheet 6 behind the stepped descending structure 11. The air flow pressurized by the air pressure port 5 is guided to the air outlet 8 by the drainage sheet 6, and is sprayed from the air outlet 8 in the form of a spring turbine. The heating structure 7 is arranged in front of the air outlet 8 in the smooth channel 10, which is used for heating the air flow guided by the drainage sheet 6 and blowing out from the air outlet 8. Moreover, the water ions can be formed in the air outlet 8 by utilizing the temperature difference and sprayed out.
[0037] The air inlet 2 is vertically arranged with the air flow channel 14. The air inlet 2 sucks air flow by an external motor. The vortex ring air flow wall 16 is arranged outside the return pipe 1. The direction guide wall 15 is arranged on one side of the vortex ring air flow wall 16.
[0038] The utility model discloses a vortex airflow is formed through the wall pressure vortex flow of the air flow after guiding direction of vortex ring airflow wall 16, and the vortex airflow is formed like eddy current air flow of dead spring. The vortex airflow flows to cold and hot gas valve 17 through the wall surface of airflow channel 14, and the cold and hot airflow is shunted through the front end sharp cone of cold and hot gas valve 17, and the cold flow is returned to return pipe 1 along the middle part of airflow channel 14 after passing through the sharp cone, and the hot flow flows out from the hot flow outlet 18 of all around. Return pipe 1 receives the cold flow that is returned after being shunted through cold and hot gas valve 17, and the cold flow enters return pipe 1, and the cold flow is included in air pressure bag 3 after passing through return pipe 1, and forms air negative pressure in air pressure bag 3. The cold flow of air pressure bag 3 is received through the negative pressure acceleration of guide ring 4, and the cold flow enters guide ring 4 after rotating acceleration around guide ring 4 and flows into smooth channel 10 from air pressure port 5. Air pressure port 5 utilizes Bernoulli's principle, and the inside is big and the outside is small, and the circulating cold air in guide ring 4 is pressurized and accelerated through air pressure port 5. Smooth channel 10 guides the cold flow after pressurization of air pressure port 5, and directly guides to heating structure 7, and is combined with the hot flow that surges through hot flow outlet 18 after shunting, and blows out through air outlet 8.
[0039] The utility model sets up air pressure bag 3, forms air negative pressure, prevents gas backflow. Set up guide ring 4, and the cold airflow of negative pressure acceleration enters guide ring, and rotates acceleration around air ring. Set up air pressure port 5, utilize Bernoulli's principle, and the inside is big and the outside is small, and the circulating cold air in guide ring is pressurized and accelerated through air pressure port. Set up drainage sheet 6, and the airflow after pressurization of air pressure port 5 is guided, and is guided to air outlet 8, and is surrounded and sprayed from air outlet 8 in the form of spring turbine.
[0040] Example two
[0041] Referring to Figures 5-7 The difference between the embodiment and example one is that: the air inlet 2 and the airflow channel 14 are arranged in a straight line, and the air inlet 2 is provided with a vortex air inlet structure. The smooth channel 10 and the airflow channel 14 of the embodiment are both increased.
[0042] The rest of the structure and function can refer to example one.
Claims
1. A vortex tube comprising a flow guiding system and a cold flow system, the flow guiding system comprising an air inlet, the air inlet being in communication with a cold-hot flow separating valve through an air flow channel, the air flow channel being provided with a hot flow outlet on a wall surface outside the cold-hot flow separating valve, the hot flow outlet being provided on a front side of an air outlet; characterized in that: The cold flow system comprises a return pipe arranged at the air inlet, the front end of the return pipe is communicated with the air flow channel to return the cold flow, the outlet of the return pipe is provided with an air pressure bag forming air negative pressure, the radial outer ring of the air pressure bag is provided with a flow guide ring for rotating and accelerating the cold flow, one side of the flow guide ring is provided with a wind pressure port for speed increasing, the wind pressure port is communicated with the air outlet through a smooth channel, the front side of the air outlet in the smooth channel is provided with a heating structure, and the smooth channel is provided with a flow guide piece for guiding the cold flow to the heating structure for heating.
2. A vortex tube as defined in claim 1, wherein: The air pressure bag comprises a spherical wall surface and an end surface, and a negative pressure flow area is formed between the spherical wall surface and the end surface, and the spherical wall surface is communicated with the return pipe.
3. A vortex tube as defined in claim 2 wherein: The channel communicated between the air pressure bag and the flow guide ring is narrowed along the air flow direction.
4. A scroll pump according to claim 1, wherein: The wind pressure port is annularly arranged on the wall surface of the flow guide ring, and the air inlet width of the wind pressure port is greater than the air outlet width of the wind pressure port.
5. A vortex tube as defined in claim 1, wherein: The air flow direction of the wind pressure port is arranged opposite to the air flow direction of the return pipe.
6. A vortex tube as defined in claim 1, wherein: The smooth channel is arranged outside the air flow channel, the outer wall of the smooth channel is an arc structure, and the outer wall and / or the inner wall of the smooth channel is provided with a step structure.
7. A vortex tube as defined in claim 1, wherein: The air inlet is provided with a direction guide wall for guiding the air flow and a vortex flow wall for vortex flow of the air flow.
8. A vortex tube as defined in claim 1, wherein: The air inlet is vertically arranged with the air flow channel, and the air inlet inhales the air flow through an external motor.
9. The scroll pump of claim 1 wherein: The air inlet and the air flow channel are arranged in a straight line, and the air inlet is provided with a vortex air inlet structure.
10. A scroll pump as claimed in claim 7, wherein: The vortex flow wall is arranged outside the return pipe, and the direction guide wall is arranged on one side of the vortex flow wall.