CN102914201A - Flow collecting pipe and parallel flow heat exchanger - Google Patents
Flow collecting pipe and parallel flow heat exchanger Download PDFInfo
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- CN102914201A CN102914201A CN201210402562XA CN201210402562A CN102914201A CN 102914201 A CN102914201 A CN 102914201A CN 201210402562X A CN201210402562X A CN 201210402562XA CN 201210402562 A CN201210402562 A CN 201210402562A CN 102914201 A CN102914201 A CN 102914201A
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Abstract
The invention discloses a flow collecting pipe which comprises a bar-shaped main board and a secondary board, wherein a first cavity and a second cavity which penetrate through the two ends of the main board and are not communicated with each other are arranged in parallel on the main board; a first flat hole for splicing a first flat pipe is arranged on the first cavity; a second flat hole for splicing a second flat pipe is arranged on the second cavity; a first opening type channel is arranged on a side wall of the first cavity opposite to the first flat hole; after the secondary board is connected with the main board, the secondary board and the first opening type channel are formed into a third cavity which is communicated with the first cavity and is used for connecting a cold medium input pipe. The invention also discloses a parallel flow heat exchanger with the flow collecting pipe. The heat exchange efficiency of the flow collecting pipe provided by the invention is higher, the structure is more compact and the cost is lower.
Description
Technical field
The present invention relates to the technical field of heat exchange of air-conditioning, be specifically related to a kind of header and have the parallel-flow heat exchanger of this header.
Background technology
At present, in air-conditioning technical field, micro-channel parallel flow heat exchanger has become the focus of research.
Traditional parallel-flow heat exchanger is owing to only once shunting refrigerant, so when coolant distribution is uneven, will cause leaving air temp uneven.For head it off, present solution is to adopt double rows parallel flow heat exchanger.As shown in Figure 1, so-called double rows parallel flow heat exchanger is about to two traditional parallel-flow heat exchangers and superposes side by side, welds together, wherein each parallel-flow heat exchanger is by some flat tubes 100, the upper header 300 and the lower header 400 that are connected in the fin 200 between two flat tubes 100 and are connected in flat tube 100 two ends, links together by tube connector 500 at two headers side by side of same end.Some flat tubes 100 also are divided into two rows, are respectively the first flat tube 700 and the second flat tube 800.Refrigerant enters lower header 400 from input pipe 600 during work, enter upper header 300 through the first flat tube 700, refrigerant carries out entering behind the second diffluence the upper header 300 of second row parallel-flow heat exchanger in tube connector 500 subsequently, the lower header 400 that then enters the second row parallel-flow heat exchanger through the second flat tube 800 flows out from efferent duct 900 at last.
Because refrigerant has carried out mixing rear second diffluence at tube connector 500 places, improved the problem of coolant distribution inequality, so that its leaving air temp is even.Yet complicated on this double rows parallel flow heat exchanger structure, cost is higher, and it is larger to take up space.And refrigerant has been subject to inserting from flat tube the obstructing of part of header when flowing in header, increased the stroke resistance, thereby reduced the heat exchange efficiency.
Summary of the invention
Main purpose of the present invention is for the problems referred to above of the prior art, and the header that a kind of leaving air temp is even, the heat exchange efficiency is higher and structure is more compact, cost is lower is provided.
In order to realize goal of the invention, the invention provides a kind of header, it comprises bar shaped mainboard and subplate, described mainboard is provided with side by side and connects mainboard two ends and not connected the first cavity and the second cavity, described the first cavity be provided with to peg graft the first flat hole of the first flat tube, described the second cavity be provided with to peg graft the second flat hole of the second flat tube, and upper outside first open channel that is provided with of the sidewall that described the first cavity is relative with the first flat hole, described subplate is with after mainboard is connected, and forms with described the first open channel and the first cavity communicates, in order to connect the 3rd cavity of refrigerant input pipe.
Preferably, upper outside second open channel that is provided with of the sidewall that described the second cavity is relative with the second flat hole, described subplate is with after described mainboard is connected, also form with described the second open channel communicate with the second cavity, in order to be connected the 4th cavity of refrigerant efferent duct.
Preferably, be provided with the first through hole between described the first cavity and the 3rd cavity, be provided with the second through hole between described the second cavity and the 4th cavity.
Preferably, described the first through hole is far away apart from the refrigerant input pipe, and its surface area is larger; The second through hole is far away apart from efferent duct, and its surface area is larger.
Preferably, align with described the second through hole in the position of described the first through hole, aligns with the described second flat hole in the position in described the first flat hole.
Preferably, the sectional area of described the first cavity is less than the second cavity, and the sectional area of the 3rd cavity and the 4th cavity equates.
Preferably, the cross section of described the 3rd cavity and the 4th cavity is circular.
Preferably, also comprise end cap in order to capping mainboard two ends.
Preferably, the two opposite sides of described mainboard are provided with link slot, and the both sides of described subplate are provided with the flange that can be inserted in the described link slot, and described flange cooperates with described link slot, and described subplate is connected with described mainboard.
The present invention also provides a kind of parallel-flow heat exchanger, and it comprises header and the some flat tubes that are plugged on the described header, and is arranged on the fin between described some flat tubes.Described header comprises bar shaped mainboard and subplate, described mainboard is provided with side by side and connects mainboard two ends and not connected the first cavity and the second cavity, described the first cavity be provided with to peg graft the first flat hole of the first flat tube, described the second cavity be provided with to peg graft the second flat hole of the second flat tube, and upper outside first open channel that is provided with of the sidewall that described the first cavity is relative with the first flat hole, described subplate is with after mainboard is connected, with described the first open channel form be connected cavity communicate, in order to be connected the 3rd cavity of refrigerant input pipe.
Preferably, described the first flat tube and the second flat tube are integrated setting.
Preferably, described the first flat tube and the second flat tube split are arranged side by side.
Preferably, in the first flat tube the surface area of refrigerant passage less than the surface area of refrigerant passage in the second flat tube.
Preferably, a pitch of fins that is arranged on the fin between two adjacent the first flat tubes is than being arranged on large between two adjacent the second flat tubes.
As from the foregoing, at least be provided with the first cavity, the second cavity and the 3rd cavity in the header of the present invention, can realize equally mixing and the secondary distribution of refrigerant, compared with prior art, header of the present invention is solving the inhomogeneity problem of leaving air temp simultaneously, so that the structure of header is more compact, the space that takies is less, and process more simply, cost is more excellent.
Description of drawings
Fig. 1 is the structural representation of header in the prior art;
Fig. 2 is the decomposition texture schematic diagram of header in a preferred embodiment of the present invention;
Fig. 3 is the package assembly schematic diagram of header among Fig. 2;
Fig. 4 is the decomposition texture schematic diagram of header in another preferred embodiment of the present invention;
Fig. 5 is the assembling schematic diagram of header among Fig. 4;
Fig. 6 is the sectional structure schematic diagram of B-B direction among Fig. 5;
Fig. 7 is the sectional structure schematic diagram of C-C direction among Fig. 5;
Fig. 8 is the decomposition texture schematic diagram of parallel-flow heat exchanger in a preferred embodiment of the present invention;
Fig. 9 is the vertical cross-sectional schematic of parallel-flow heat exchanger in a preferred embodiment of the present invention;
Figure 10 is the structural representation of parallel-flow heat exchanger in another preferred embodiment of the present invention;
Figure 11 is the decomposition texture schematic diagram of parallel-flow heat exchanger among Figure 10.
The realization of the object of the invention, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the invention provides a kind of header, with reference to Fig. 2 and shown in Figure 3, in a preferred embodiment, this header 1 comprises bar shaped mainboard 10 and subplate 20, and described mainboard 10 is provided with side by side and connects mainboard 10 two ends and not connected the first cavity 11 and the second cavity 12.The first cavity 11 be provided with to peg graft the first flat hole 112 of the first flat tube, described the second cavity 12 be provided with to peg graft the second flat hole 121 of the second flat tube, and upper outside first open channel 111 that is provided with of sidewall that described the first cavity 11 is relative with the first flat hole 112, described subplate 20 is with after mainboard 10 is connected, with described the first open channel 111 form be connected cavity 11 communicate, in order to be connected the 3rd cavity 13 of refrigerant input pipe.Concrete, the semicircle cell body of the first open channel 111 for opening wide is provided with the semi-cylindrical hill 21 that cooperates with the first open channel 111 at subplate 20, and this semi-cylindrical hill 21 and the first open channel 111 are encircled into the 3rd cavity 13 of a circle.
In the embodiment of the invention, at least be provided with the first cavity 11, the second cavity 12 and the 3rd cavity 13 in the header 1, can realize equally mixing and the secondary distribution of refrigerant, compared with prior art, the present invention is solving the inhomogeneity problem of leaving air temp simultaneously, and structure is more compact, and it is less to take up room, process more simply, cost is more excellent.
With reference to Fig. 2 and Fig. 3, in the embodiment of the invention, the 13 rounded settings of the 3rd cavity, the refrigerant input pipe can be connected with the 3rd cavity 13.And, between the 3rd cavity 13 and the first cavity 11, be provided with through hole 113, in order to being communicated with the first cavity 11 and the 3rd cavity 13, thereby form the refrigerant input channel with the flat tube that is inserted in the first flat hole 112.Thereby the second flat hole 121 on the second cavity 12 also can be inserted for flat tube and be formed the refrigerant output channel.The refrigerant efferent duct can directly be inserted in the second cavity 12, thereby refrigerant is exported.In the embodiment of the invention, header 1 can be used as evaporimeter, also can be used as condenser, and the above only is the situation when the evaporimeter, during as condenser, and opposite when being used as evaporimeter of the flow direction of refrigerant.
In the embodiment of the invention, the mode that mainboard 10 is connected with subplate 20 has multiple, as required flexible choice.With reference to shown in Figure 2, in one embodiment of the present invention, the two opposite sides of mainboard 10 are provided with link slot 15, and the both sides of subplate 20 are provided with the flange 23 that can be inserted in the link slot 15, and described flange 23 cooperates with link slot 15, and subplate 20 is connected with mainboard 10.Adopt the mode of this grafting to connect, syndeton is simple, reliability is high.
In the embodiment of the invention, in order to seal header 1, header 1 also comprises the end cap in order to capping mainboard 10 two ends, and the technical scheme of this end cap will be set forth in the embodiment of subsequent figure 8 and correspondence thereof.
With reference to Fig. 4 and shown in Figure 5, on the basis of above-described embodiment, in one embodiment of the present invention, upper outside second open channel 114 that is provided with of sidewall that the second cavity 12 is relative with the second flat hole 121, described subplate 20 is with after described mainboard 10 is connected, also form with described the second open channel 114 communicate with the second cavity 12, in order to be connected the 4th cavity 14 of refrigerant efferent duct.Concrete, the second open channel 114 is the semicircle cell body for opening wide also, and in second half circular protrusions 22 that subplate 20 corresponding the second open channel 114 cooperate, this second half circular protrusions cooperates with the second open channel 114, conglobate the 4th cavity 14 of shape is in order to connect the refrigerant efferent duct.Between the second cavity 12 and the 4th cavity 14, be provided with the second through hole 115, in order to be communicated with the second cavity 12 and the 4th cavity 14.
Referring to shown in Figure 5, in the embodiment of the invention, form four cavitys after mainboard 10 and subplate 20 amalgamations, be respectively the first cavity 11, the second cavity 12, the 3rd cavity 13 and the 4th cavity 14.Wherein be provided with between the first through hole 113, the second cavitys 12 and the 4th cavity 14 between the first cavity 11 and the 3rd cavity 13 and be provided with the second through hole 115; The 3rd cavity 13 and the 4th cavity 14 are the refrigerant main channel of flowing, and are connected with the refrigerant efferent duct with refrigerant input pipe 5 respectively and are connected in its port.The first cavity 11 outsides are provided with 112, the second cavitys, 12 outsides, the first flat hole and are provided with 121, the first flat holes 112, the second flat hole and are connected flat hole 121 and are used for being connected of header 1 and flat tube.Sectional area ratio first cavity 11 of the second cavity 12 large, the sectional area of the 3rd cavity 13 and the 4th cavity 14 can be identical.The first flat hole 112 in 121 to the first cavitys, 11 outsides, the second flat hole that corresponding the second cavity 12 outsides are provided with is large.The arrangement of can aliging of the first flat hole 112 and the second flat hole 121; Each the first flat hole 112 corresponding first through hole 113, each the second flat hole 121 corresponding second through hole 115.
In order to make distance input/efferent duct place far away can be assigned to equally the refrigerant of equivalent, thereby improved the uniformity of coolant distribution, in one embodiment of the present invention, it is far away apart from the refrigerant input pipe that 115: the first through holes 113 of the first through hole 113 and the second through hole are set in the following manner, and its surface area is larger; The second through hole 115 is far away apart from efferent duct, and its surface area is larger, that is to say that the first through hole 113 and the second through hole 115 its hole areas are along with cumulative with the distance of refrigerant input pipe and efferent duct.
With reference to Fig. 6 and Fig. 7, in the embodiment of the invention, align with the second through hole 115 in the position of the first through hole 113, aligns with the second flat hole 121 in the position in the first flat hole 112.Certainly, also can be crisscross arranged.In the embodiment of the invention, each the first flat hole 112 correspondence first through hole 113 more than or; Corresponding the second through hole 115 more than or in each second flat hole 121, refrigerant can directly enter in the corresponding passage of flat tube after out from through hole, has reduced flow path resistance.
In the previous embodiment, the sectional area of the first cavity 11, the second cavity 12, the 3rd cavity 13 and the 4th cavity 14 can equate also can be unequal.
The present invention also proposes a kind of parallel-flow heat exchanger, and this parallel-flow heat exchanger comprises aforementioned header 1.With reference to shown in Figure 8, it specifically comprises header 1 and the some flat tubes 2 that are plugged on the described header 1, and is arranged on the fin 3 between described some flat tubes 2.All there are end cap 4 shutoff at header 1 two ends.Refrigerant input pipe 5 is communicated with the 3rd cavity 13 of header 1, and refrigerant efferent duct 6 is communicated with the 4th cavity 14 of header 1.
Known such as those skilled in the art institute, have passage in the flat tube 2, can flow to upper header 7 for refrigerant.In the embodiment of the invention, flat tube 2 one ends do not have the part of passage to be provided with a breach 203, this breach 203 is divided into two parts with flat tube 2, the first flat tube and the second flat tube, with respectively with header 1 in the first flat hole 112 be connected flat hole 121 and be connected, concrete, be that the first flat tube is inserted in the first flat hole 112, the second flat tube is inserted in the second flat hole 121.After the first flat tube and the second flat tube are inserted into respectively in the first flat hole 112 and the second flat hole 121, can pass through the 3rd cavity 13 and the first cavity 11 from the refrigerant of refrigerant input pipe 5 inputs, arrive upper header 7 via the passage in the flat tube 2 again, flow to the second cavity 12 and the 4th cavity 14 from upper header 7 via another passage the flat tube 2 again, at last output from efferent duct 6.
The structure of flat tube 2 can be with reference to shown in Figure 9 in the embodiment of the invention: flat tube 2 is provided with first passage 201 and second channel 202, and part is without passage between first passage 201 and the second channel 202.
In a preferred embodiment, the surface area of first passage 201 is less than the surface area of second channel 202.Owing to pass through first in the refrigerant flow process behind the first passage 201 of flat tube 2 through second channel 202, and little than second channel 202 of the channel cross-sectional area of first passage 201, so the refrigerant flowing space increases gradually, is conducive to the evaporation of refrigerant.When this parallel-flow heat exchanger was used as condenser, stream was then just opposite, and the refrigerant flowing space reduces gradually, is conducive to the condensation of refrigerant.
In another embodiment, the first flat tube 201 and 202 splits of the second flat tube are arranged side by side.Concrete, please refer to Figure 10 to shown in Figure 11, the first flat tube 2A and the second flat tube 2B are set in row.Wherein, the end of the second flat tube 2B inserts in the first flat hole 112 of header 1, and an other end inserts in the upper header 7.The end of the first flat tube 2A inserts in the second flat hole 121 of header 1, and an other end inserts in the upper header 7.Preferably, the actual internal area of the second flat tube 2B is less than the first flat tube 2A's, when this parallel-flow heat exchanger is made evaporimeter, refrigerant first through behind the second flat tube 2B through the first flat tube 2A, the refrigerant flowing space increases gradually, is conducive to the evaporation of refrigerant.When this parallel-flow heat exchanger was made condenser, stream was opposite, and the refrigerant flowing space reduces gradually, was conducive to the condensation of refrigerant.
In the embodiment of the invention, 121 one-tenth staggered being arranged in parallel in the first flat hole 112 on the header 1 and the second flat hole, corresponding the second flat tube 2B also becomes to be staggered with the first flat tube 2A.Preferably, a pitch of fins that is arranged on the fin 31 between the first flat tube 2A is larger than a pitch of fins that is arranged on the fin 32 between the second flat tube 2B, because the easiest frosting of fin near refrigerant input pipe 5 places, a pitch of fins that increases fin 31 herein is conducive to discharge condensed water, thereby delay frosting, the refrigeration that minimizing causes because of frosting improves the exchange capability of heat of parallel-flow heat exchanger then.
Above-mentioned parallel-flow heat exchanger both can be used for evaporimeter also can be used for condenser.In the time of as evaporimeter, refrigerant enters from refrigerant input pipe 5, flow to the 3rd cavity 13 of header 1, from the first through hole 113, enter subsequently the first cavity 11, because the first cavity 11 is communicated with the first passage 201 of flat tube 2, refrigerant out enters the cavity of header 1 afterwards from the first cavity 11, and then refrigerant enters the second cavity 12 of header 1 through the second channel 202 of flat tube 2, then refrigerant enters the 4th cavity 14 through the second through hole 115, flows out from refrigerant efferent duct 6 at last.Owing to pass through first in the refrigerant flow process behind the first passage 201 of flat tube 2 through second channel 202, and little than second channel 202 of the channel cross-sectional area of first passage 201, so the refrigerant flowing space increases gradually, is conducive to the evaporation of refrigerant.When this parallel-flow heat exchanger was used as condenser, stream was then just opposite, and the refrigerant flowing space reduces gradually, is conducive to the condensation of refrigerant.
Please refer to Fig. 1, in the micro-channel heat exchanger of prior art, because the passage in the time of will guaranteeing the welding of header and flat tube in the flat tube is not blocked by solder flux, flat tube must be inserted certain depth in the header, and this can be subject to the larger obstruction of flat tube will cause cold-producing medium to flow the time in header, and the connected mode of input pipe and header among Fig. 1, to cause distributing more near the flat tube refrigerant at input pipe place, distance input pipe flat tube refrigerant far away distributes less, namely causes coolant distribution uneven.And the parallel-flow heat exchanger among the present invention has adopted above-mentioned header 1, refrigerant is first through the 3rd cavity 13, just enter passage in the flat tube 2 through the first through hole 113 subsequently, avoided the collision of inserting header 1 part with flat tube 2 in the flow process, reduced the stroke resistance, reduce the power of compressor, thereby improved the heat exchange efficiency.In addition, by the second through hole 115 on the adjusting header 1 and size and the spacing of the first through hole 113, require distance input/efferent duct intercommunicating pore area far away larger, so that distance input/efferent duct place far away can be assigned to the refrigerant of equivalent equally, thereby improved the uniformity of coolant distribution, improved the exchange capability of heat of parallel-flow heat exchanger.
Parallel-flow heat exchanger of the present invention has been realized mixing and the secondary distribution of refrigerant equally at header 1 place, as seen the described parallel-flow heat exchanger of this patent has been realized the same stream of common double rows parallel flow heat exchanger shown in Figure 1, solving the inhomogeneity problem of leaving air temp simultaneously, structure is more compact, it is less to take up room, process more simply, cost is more excellent.
Below only be the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (14)
1. header, it is characterized in that, comprise bar shaped mainboard and subplate, described mainboard is provided with side by side and connects mainboard two ends and not connected the first cavity and the second cavity, described the first cavity be provided with to peg graft the first flat hole of the first flat tube, described the second cavity be provided with to peg graft the second flat hole of the second flat tube, and upper outside first open channel that is provided with of the sidewall that described the first cavity is relative with the first flat hole, described subplate is with after mainboard is connected, and forms with described the first open channel and the first cavity communicates, in order to connect the 3rd cavity of refrigerant input pipe.
2. header as claimed in claim 1, it is characterized in that, upper outside second open channel that is provided with of the sidewall that described the second cavity is relative with the second flat hole, described subplate is with after described mainboard is connected, also form with described the second open channel communicate with the second cavity, in order to be connected the 4th cavity of refrigerant efferent duct.
3. header as claimed in claim 2 is characterized in that, is provided with the first through hole between described the first cavity and the 3rd cavity, is provided with the second through hole between described the second cavity and the 4th cavity.
4. header as claimed in claim 3 is characterized in that, described the first through hole is far away apart from the refrigerant input pipe, and its surface area is larger; The second through hole is far away apart from efferent duct, and its surface area is larger.
5. such as each described header in the claim 1 to 4, it is characterized in that aliging with described the second through hole in the position of described the first through hole, aligns with the described second flat hole in the position in described the first flat hole.
6. header as claimed in claim 2 is characterized in that, the sectional area of described the first cavity is less than the second cavity, and the sectional area of the 3rd cavity and the 4th cavity equates.
7. header as claimed in claim 1 is characterized in that, the cross section of described the 3rd cavity and the 4th cavity is circular.
8. header as claimed in claim 1 is characterized in that, also comprises the end cap in order to capping mainboard two ends.
9. header as claimed in claim 1, it is characterized in that the two opposite sides of described mainboard are provided with link slot, the both sides of described subplate are provided with the flange that can be inserted in the described link slot, described flange cooperates with described link slot, and described subplate is connected with described mainboard.
10. a parallel-flow heat exchanger is characterized in that, comprises such as each described header in the claim 1 to 9 and some flat tubes on the header as described in being plugged on, and is arranged on the fin between described some flat tubes.
11. parallel-flow heat exchanger as claimed in claim 10 is characterized in that, described the first flat tube and the second flat tube are integrated setting.
12. parallel-flow heat exchanger as claimed in claim 10 is characterized in that, described the first flat tube and the second flat tube split are arranged side by side.
13., it is characterized in that the surface area of refrigerant passage is less than the surface area of refrigerant passage in the second flat tube in the first flat tube such as each described parallel-flow heat exchanger in the claim 10 to 12.
14. parallel-flow heat exchanger as claimed in claim 12 is characterized in that, a pitch of fins that is arranged on the fin between adjacent two first flat tubes is than being arranged on large between adjacent two second flat tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210402562XA CN102914201A (en) | 2012-10-19 | 2012-10-19 | Flow collecting pipe and parallel flow heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210402562XA CN102914201A (en) | 2012-10-19 | 2012-10-19 | Flow collecting pipe and parallel flow heat exchanger |
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| CN102914201A true CN102914201A (en) | 2013-02-06 |
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| CN201210402562XA Pending CN102914201A (en) | 2012-10-19 | 2012-10-19 | Flow collecting pipe and parallel flow heat exchanger |
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| CN104110738A (en) * | 2014-05-30 | 2014-10-22 | 美的集团武汉制冷设备有限公司 | Indoor unit of floor air conditioner |
| CN105627634A (en) * | 2014-10-31 | 2016-06-01 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN106969551A (en) * | 2017-04-28 | 2017-07-21 | 青岛易图令科技有限公司 | Multiple rows of pipe type parallel-flow heat exchanger |
| CN107023991A (en) * | 2017-05-11 | 2017-08-08 | 青岛易图令科技有限公司 | Teat pump boiler |
| CN107036338A (en) * | 2017-05-11 | 2017-08-11 | 青岛易图令科技有限公司 | Parallel flow heat exchanger and air-conditioning |
| CN107975980A (en) * | 2017-12-20 | 2018-05-01 | 豫新汽车空调股份有限公司 | A kind of dual-layer Parallel heat exchanger |
| CN108010691A (en) * | 2016-10-28 | 2018-05-08 | 上海置信电气非晶有限公司 | A kind of general hollow tubular channel design of plug-in type insulation liquid stream |
| CN108413659A (en) * | 2018-06-04 | 2018-08-17 | 泰铂（上海）环保科技股份有限公司 | One kind being used for energy automobile Overcold parallel flow condenser |
| CN110446840A (en) * | 2017-03-28 | 2019-11-12 | 通用电气公司 | Tube array heat exchanger |
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| CN110446840B (en) * | 2017-03-28 | 2022-07-08 | 通用电气公司 | Tubular array heat exchanger |
| CN110446840A (en) * | 2017-03-28 | 2019-11-12 | 通用电气公司 | Tube array heat exchanger |
| CN106969551A (en) * | 2017-04-28 | 2017-07-21 | 青岛易图令科技有限公司 | Multiple rows of pipe type parallel-flow heat exchanger |
| CN107036338A (en) * | 2017-05-11 | 2017-08-11 | 青岛易图令科技有限公司 | Parallel flow heat exchanger and air-conditioning |
| CN107023991A (en) * | 2017-05-11 | 2017-08-08 | 青岛易图令科技有限公司 | Teat pump boiler |
| CN107975980A (en) * | 2017-12-20 | 2018-05-01 | 豫新汽车空调股份有限公司 | A kind of dual-layer Parallel heat exchanger |
| CN108413659A (en) * | 2018-06-04 | 2018-08-17 | 泰铂（上海）环保科技股份有限公司 | One kind being used for energy automobile Overcold parallel flow condenser |
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