CN210004811U - heat exchange core and heat exchanger - Google Patents
heat exchange core and heat exchanger Download PDFInfo
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- CN210004811U CN210004811U CN201920061044.3U CN201920061044U CN210004811U CN 210004811 U CN210004811 U CN 210004811U CN 201920061044 U CN201920061044 U CN 201920061044U CN 210004811 U CN210004811 U CN 210004811U
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Abstract
The utility model relates to a temperature control equipment technical field discloses heat exchange core and heat exchanger, the heat exchange core includes heat conduction contact's passageway and second passageway, the 1 end of 0 passageway is equipped with 2 th inflow port, another 3 end is equipped with 4 th egress opening, the second passageway is equipped with second inflow port in the end that is close to egress opening, another end is equipped with the second egress opening, the egress opening all is located between th inflow port and the second egress opening with the second egress opening, or inflow port and second egress opening all are located between th egress opening and the second egress opening, the inflow of two kinds of passageways, the egress opening all staggers, two kinds of fluids can flow into corresponding passageway through passageway, second passageway respectively, two kinds of fluids all are from the channel hole entering corresponding passageway at the both ends of heat exchange core, the whole is the straight line flow in corresponding passageway, so whole flow resistance is little for the heat exchanger includes above-mentioned heat exchange core and the casing of parcel this core, the fluid flows little resistance in the heat exchanger.
Description
Technical Field
The utility model relates to a control by temperature change equipment technical field especially relates to kinds of heat exchange core, the utility model discloses still relate to kinds of heat exchangers, especially relate to kinds of heat exchangers including above-mentioned heat exchange core.
Background
At present, most of the fresh air ventilators appearing in the market adopt a counterflow heat exchange machine core. However, the core adopts the corrugated plates to be mutually overlapped to form the cavity, the processing technology is complex, the volume or the thickness of the cavity cannot be made very small, so that the volume of the air exchange core cannot be reduced, the thickness of the plate cannot be too thin, otherwise, the cavity can be expanded or shrunk during ventilation, and the flow rates of two kinds of gas which are mutually exchanged are unequal, even part of flow channels are blocked; in addition, the production process cost of the conventional ventilator core is very high, and the development and popularization of the fresh air ventilator are seriously hindered.
To solve the technical problem, chinese patent CN103968491A discloses ventilator with honeycomb structure, in which a fresh air channel and an exhaust channel are arranged at intervals in the honeycomb, air inlets of the fresh air channel and the exhaust channel are respectively arranged on the side surfaces of two ends of the honeycomb, air outlets of the fresh air channel and the exhaust channel are respectively arranged on the end surfaces of two ends of the honeycomb, the other end of the fresh air channel opposite to the air outlet thereof is closed, and the other end of the exhaust channel opposite to the air outlet thereof is closed.
Because the air inlets of the fresh air channel and the air exhaust channel are arranged at the side strip-shaped side openings of the honeycomb body, the wind resistance of outdoor air (or indoor air) is large when the outdoor air (or the indoor air) enters the honeycomb body.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides an kinds of heat exchange core to solve the unsmooth technical problem of honeycomb body air inlet in the current fan of trading.
The utility model discloses still provide kinds of heat exchangers to solve the not smooth technical problem of honeycomb body air inlet in the current fan of trading.
The utility model provides a technical scheme that its technical problem adopted is:
heat exchange core, which includes channel and second channel in heat conduction contact, the end of the 0 channel is provided with a th inflow port, the other end is provided with a th outflow port, the second channel is provided with a second inflow port at end near the th outflow port, the second channel is provided with a second outflow port at end near the th inflow port;
the flow outlet and the second flow outlet are both located between the flow inlet and the second flow inlet;
alternatively, both the flow inlet and the second flow inlet are located between the flow outlet and the second flow outlet.
As a further improvement of of the present invention, the channel includes a th channel and a flow guide tube fixedly connected to the th end of the th channel.
As the utility model discloses a go forward step improvement, the runner includes a plurality of pipelines along the Y axle direction array, all the equal rigid coupling of th tip of pipeline has the honeycomb duct, the outer wall inscribe of honeycomb duct in the inner wall of th pipeline.
As a further improvement of , the second channel includes a second flow channel and a rigid coupling to the flow guide tube at the second end of the second flow channel.
As the utility model discloses a go into step improvements, the second runner includes a plurality of second pipelines along Y axle direction array, all the equal rigid coupling of second tip of second pipeline has the honeycomb duct, the outer wall inscribe of honeycomb duct in the inner wall of second pipeline.
As the improvement of the utility model discloses a step , still include the partition piece that sets up at the both ends of heat exchange core, the partition piece is filled between the outer wall of honeycomb duct.
As the utility model discloses a go into step improvements, the outer wall of honeycomb duct with gap packing between the inner wall of pipeline has sealed glue.
As the utility model discloses a go into step improvements, the fender spare is sealed glue, and is adjacent all pack between the outer wall of honeycomb duct sealed glue.
As the utility model discloses a go forward step improvements, the wall thickness of heat exchange core is 0.1 ~ 0.3 mm.
heat exchanger, including the shell, also include the above-mentioned heat exchange core, the said shell wraps up the said heat exchange core, both ends of the said heat exchange core are supported with the terminal surface of the said shell;
the shell is provided with through holes at the positions corresponding to the th inflow port and the second inflow port, and the shell is provided with side openings at the positions corresponding to the th outflow port and the second outflow port;
alternatively, the case may be provided with through holes at positions corresponding to the th outlet port and the second outlet port, and the case may be provided with side openings at positions corresponding to the th inlet port and the second inlet port.
The utility model has the advantages that:
the heat exchange core body is provided with a th channel and a second channel, wherein the end of the th channel is provided with a th inflow port and a th outflow port, the end of the second channel close to the th outflow port is provided with a second inflow port, and the end of the second channel close to the th inflow port is provided with a second outflow port;
the flow outlet and the second flow outlet are both located between the flow inlet and the second flow inlet;
alternatively, both the flow inlet and the second flow inlet are located between the flow outlet and the second flow outlet.
The inflow and outflow ports of the two channels are staggered, fluids can flow in and out through the channel, and fluids can flow in and out through the second channel, the two fluids enter the corresponding channels from the channel holes at the two ends of the heat exchange core and flow in the corresponding channels in a straight line mode, and therefore the overall flow resistance of the fluids in the heat exchange core is small.
Drawings
The present invention will be further described in with reference to the following drawings and examples.
Fig. 1 is a perspective view of heat exchange cores.
Fig. 2 is a front view of fig. 1.
Detailed Description
The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that, unless otherwise specified, when a certain feature is referred to as being "fixed" or "connected" to another features, it can be directly fixed or connected to another features or indirectly fixed or connected to another features.
The terms "and/or" as used herein include or any combination of the listed items in relation thereto.
Referring to fig. 1 and 2, there are shown perspective schematic and front views of heat exchange cores comprising a honeycomb body 10, a plurality of flow tubes 20, a plurality of second flow tubes 21, and a barrier 30.
The honeycomb body 10 is a tubular structure made of aluminum foil, which is provided with th flow channels 11 and 12 for convenience of description, the direction in which the flow channels are stacked is hereinafter set to be the Z-axis direction (i.e., the up-down direction in the drawing), the direction in which the th flow channel extends (i.e., the left-right direction in the drawing) is the X-axis direction, and the direction perpendicular to the Z, X-axis direction is the Y-axis direction (i.e., the front-rear direction in the drawing).
Specifically, the th flow channels 11 and the second flow channels 12 are spaced apart along the Z-axis, and heat can be transferred between adjacent th flow channels and the second flow channels when a fluid flows through the honeycomb body 10. the th flow channels 11 include a plurality of th tubes adjacent to each other, the th tubes having a hexagonal prism shape, and a plurality of th tubes linearly arrayed along the Y-axis.
The second flow channel 12 includes a plurality of second tubes adjacent to each other and linearly arrayed in the Y-axis direction, the second tubes extend in the same direction as the -th tubes, and the second tubes have a hexagonal prism shape.
The wall thickness of the whole honeycomb body 10 is 0.1-0.3 mm everywhere, which can ensure that the heat conduction rate between the th flow channel and the second flow channel can meet the use requirement, besides, the cross-sectional profile of the th pipe and/or the second pipe can also be round or polygonal such as square, octagon, etc., and is not limited by .
The th flow conduit 20 and the second flow conduit 21 are hollow cylindrical structures extending in the same direction as the th/second conduit .
The second flow duct 21 comprises a free end, which projects coaxially into the second end (i.e. the right end in the illustration) of the second duct and is fixed relative to the honeycomb body 10, and a fixed end, which extends towards the end face remote from the honeycomb body 10. The second ends of all the second pipes are plugged with second flow ducts 21, preferably with the free ends of all the second flow ducts 21 aligned.
the outer wall of the flow guide 20 (or the second flow guide 21) is tangent to the inner wall of the th pipe (or the second pipe), preferably, the diameter of the th flow guide 20 (or the second flow guide 21) is slightly larger than the diameter of the inscribed circle of the th pipe (or the second pipe), so that the th flow guide 20 (or the second flow guide 21) and the th pipe (or the second pipe) are relatively fixed through interference fit.
The channel 11 and the honeycomb duct fixed at the 0 th end of the channel are the channel for the fluid to flow through the heat exchange core, the second channel 12 and the honeycomb duct fixed at the second end of the second channel form the second channel for the fluid to flow through the heat exchange core, the left end and the right end of the channel are respectively a inlet and a outlet, the end of the second channel close to the outlet is a second inlet, and the end of the second channel close to the inlet is a second outlet.
, a sealant is filled in a gap between the inner wall of the pipeline and the outer wall of the guide pipe inserted in the pipeline, so that gas in the flow passage is prevented from overflowing out of the guide pipe from the gap.
The heat exchange core is filled with the barrier pieces 30 at both sides, the barrier pieces 30 are preferably arranged between the end face of the honeycomb body 10 and the end face of the free end, and the barrier pieces 30 can realize the flow splitting of the gas flowing out of the th pipeline (or flowing into the th pipeline) and the gas flowing into the second pipeline (or flowing out of the second pipeline), so as to avoid the mixed flow.
In cases, the barrier 30 is sealant, that is, sealant is filled between the outer walls of all the flow tubes 20, and sealant is filled between the outer walls of all the second flow tubes 21.
Specifically, the sealant extends from the free end of the flow conduit toward the honeycomb end, and the free end can be flush with the end of the sealant or slightly exposed from the sealant.
In another cases, the barrier is plates of rectangular parallelepiped shape, each of which has a cylindrical through hole at a position corresponding to the flow guide tube, and the flow guide tube is closely fitted with the through holes.
The utility model discloses still provide kind heat exchangers, this heat exchanger includes the casing and locates the inside heat exchange core of this casing, the casing is whole to be inside hollow cuboid shape, and wholly wraps up above-mentioned heat exchange core.
The left end and the right end of the heat exchange core body are respectively abutted against the left end face and the right end face of the shell, and through holes are formed in the left end face and the right end face of the shell corresponding to all the flow guide pipes. Preferably, the through hole has the same shape and size as the cross-sectional inner contour of the flow guide pipe.
The casing has an -side opening at a position corresponding to the second outlet port and a second-side opening at a position corresponding to the -side outlet port.
It should be understood that in the heat exchanger, the housing itself can function as a flow divider even if no baffle is provided.
The working process of the heat exchanger for exchanging gas is briefly described below with reference to the accompanying drawings:
the turbid air in the room passes through the through hole at the right end part of the heat exchanger, then enters the second flow guide pipe and the second flow channel in sequence, and then flows out from the th side opening at the left part of the heat exchanger;
the fresh air outside the room passes through the through hole at the left end of the heat exchanger, then enters the th flow guide pipe, the th flow guide pipe and then flows out from the second side opening at the right part of the heat exchanger.
The indoor air and the outdoor air are heat-exchanged in the honeycomb body 10, for example, in northern hemisphere winter, the indoor temperature is higher than the outdoor temperature, the indoor air transfers heat to the outdoor air in the honeycomb body 10, the temperature of the indoor air is equal to the outdoor temperature when the indoor air flows out of the heat exchange core, the temperature of the outdoor air is basically equal to the indoor temperature when the outdoor air flows into the indoor, and the temperature difference between the temperature of the fresh air flowing out of the heat exchanger and the indoor temperature can be controlled within 3 ℃.
The thickness of the honeycomb body 10 is 0.1-0.3 mm, and the material is aluminum foil, so the heat transfer rate is high and the heat loss is small.
The air, whether indoor air or outdoor air, enters the corresponding flow channels from the hexagonal holes at the two ends of the honeycomb body and flows linearly in the corresponding flow channels, so that the flow resistance of the air in the heat exchanger is small.
The indoor air flows through the second flow passage, so that the inside of the second flow passage is easy to be dirty, the cleaning frequency is high, the heat exchanger is only required to be taken out during cleaning, cleaning liquid and clean water are injected from the flow guide pipe at the end to clean the heat exchanger, the cleaning liquid and the clean water flow out from the flow guide pipe at the other end , and then the heat exchanger is only required to be dried in the air or dried.
Furthermore, the utility model discloses still provide kinds of heat exchange core bodies in addition, this core lies in with kind of heat exchange core body's main difference:
the honeycomb body is provided with th flow channels and second flow channels at intervals along the Z-axis direction, the length of the second flow channels is equal to that of the th flow channels, but the two flow channels are staggered with ends along the X-axis direction, namely, the th flow channels extend outwards to the free ends of the original th flow tubes on the basis of th embodiments, and the second flow channels extend outwards to the free ends of the original second flow tubes on the basis of th embodiments, wherein the th flow channels are th channels, and the second flow channels are second channels.
In addition, the core body can also have other simple variants, but the th flow outlet and the second flow outlet are both positioned between the th flow inlet and the second flow inlet;
alternatively, both the th flow inlet and the second flow inlet are located between the th flow outlet and the second flow outlet.
It should be understood that the utility model is not limited to the method of use, for example, the th flow channel can be used as the indoor air circulation flow channel, and the second flow channel can be used as the outdoor air circulation flow channel, but no matter which way of use, the air inlets of the outdoor air and the indoor air should be respectively located at the two ends of the heat exchange core.
In addition, the heat exchange core can also be used for realizing heat exchange between other types of fluids, such as heat exchange between liquid and liquid, or heat exchange between gas and liquid, and the specific working condition is similar to the process of exchanging gas and gas, and is not described herein again.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
- The heat exchange core body is characterized by comprising an th channel and a second channel which are in heat conduction contact, wherein the end of the th channel is provided with a th inflow port, the end of the th channel is provided with a th outflow port, the end of the second channel close to the th outflow port is provided with a second inflow port, and the end of the second channel close to the st inflow port is provided with a second outflow port;the flow outlet and the second flow outlet are both located between the flow inlet and the second flow inlet;alternatively, both the flow inlet and the second flow inlet are located between the flow outlet and the second flow outlet.
- 2. The heat exchange core of claim 1, wherein the -th passage comprises a -th flow passage and a flow guide tube affixed to the -th end of the -th flow passage.
- 3. The heat exchange core as claimed in claim 2, wherein the th flow passage comprises a plurality of th tubes arrayed along the Y-axis direction, the honeycomb duct is fixedly connected to the th end of all th tubes, and the outer wall of the honeycomb duct is inscribed in the inner wall of the th tube.
- 4. The heat exchange core according to claim 1, wherein the second passage comprises a second flow passage and a draft tube secured to a second end of the second flow passage.
- 5. The heat exchange core according to claim 4, wherein the second flow channel comprises a plurality of second tubes arrayed along the Y-axis direction, the draft tube is fixedly connected to the second end of all the second tubes, and the outer wall of the draft tube is inscribed in the inner wall of the second tube.
- 6. The heat exchange core according to claim 3 or 5, further comprising barriers disposed at both ends of the heat exchange core, wherein the barriers are filled between outer walls of the flow guide tubes.
- 7. The heat exchange core according to claim 3 or 5, wherein a gap between the outer wall of the draft tube and the inner wall of the tube is filled with a sealant.
- 8. The heat exchange core according to claim 6, wherein the barrier members are sealant, and the sealant is filled between the outer walls of the adjacent flow guide tubes.
- 9. The heat exchange core according to claim 1, wherein the wall thickness of the heat exchange core is 0.1 to 0.3 mm.
- 10, heat exchanger, comprising a shell, characterized in that, it further comprises a heat exchange core as claimed in any of claims 1 to 9, the shell wraps the heat exchange core, and both ends of the heat exchange core are abutted against the end face of the shell;the shell is provided with through holes at the positions corresponding to the th inflow port and the second inflow port, and the shell is provided with side openings at the positions corresponding to the th outflow port and the second outflow port;alternatively, the case may be provided with through holes at positions corresponding to the th outlet port and the second outlet port, and the case may be provided with side openings at positions corresponding to the th inlet port and the second inlet port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061044.3U CN210004811U (en) | 2019-01-14 | 2019-01-14 | heat exchange core and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061044.3U CN210004811U (en) | 2019-01-14 | 2019-01-14 | heat exchange core and heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN210004811U true CN210004811U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920061044.3U Active CN210004811U (en) | 2019-01-14 | 2019-01-14 | heat exchange core and heat exchanger |
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|---|---|
| CN (1) | CN210004811U (en) |
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- 2019-01-14 CN CN201920061044.3U patent/CN210004811U/en active Active
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