CN103822408B - A kind of multichannel is shunted evaporimeter and is adopted the air conditioner room unit of this evaporimeter - Google Patents
A kind of multichannel is shunted evaporimeter and is adopted the air conditioner room unit of this evaporimeter Download PDFInfo
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- CN103822408B CN103822408B CN201210466667.1A CN201210466667A CN103822408B CN 103822408 B CN103822408 B CN 103822408B CN 201210466667 A CN201210466667 A CN 201210466667A CN 103822408 B CN103822408 B CN 103822408B
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Abstract
The invention provides a kind of multichannel shunting evaporimeter, formation condensation and indoor set drip and blow water problem greatly, easily can to solve the multichannel shunting temperature difference.This multichannel shunting evaporimeter entirety is bending tabular, comprise multiple U-shaped hair fastener pipe and end plate, end plate offers multiple perforation, all U-shaped hair fastener pipes form the path flowed through for refrigerant by U-bend fittings, and be provided with feed tube and escape pipe in U-bend joint one end of evaporimeter, each feed tube is communicated with some U-shaped hair fastener Guan Zaiyu escape pipes and is communicated with a rear formation point of stream, the each point of region of stream near feed tube is low-temperature space, region near escape pipe is high-temperature region, and the high-temperature region of evaporimeter is all positioned at the outlet air surface of evaporimeter.The present invention also provides a kind of air conditioner room unit.The shunting of evaporimeter of the present invention each point of stream evenly, avoids excessive temperature differentials to form too much condensate water, solve condensation leaving air temp uneven and air-conditioner refrigeration uses time indoor set blow water droplet water problem.
Description
Technical field
The invention belongs to air conditioning and refrigeration field of engineering technology, specifically, relate to the air conditioner room unit that a kind of multichannel is shunted evaporimeter and adopted this evaporimeter.
Background technology
Feed tube is placed on the air intake surface (outside evaporimeter) of evaporimeter by air conditioner room unit evaporimeter, and escape pipe is placed on the outlet air surface (inside evaporimeter, near aerofoil fan side) of evaporimeter; During refrigerating operaton, indoor machine evaporation air intake surface temperature is low, outlet air surface temperature is high, region near feed tube is low-temperature space, is high-temperature region or overheated zone near escape pipe, and during refrigerating operaton, air enters outlet air surface and high-temperature region from air intake surface and low-temperature space, if air first forms condensate water close to high-temperature region is just easy on on-hook aerofoil fan, cause during operation of air conditioner and blow water problems.
Multichannel shuntings more than three tunnels that current domestic air conditioning indoor machine evaporation is used and three tunnels, the high-temperature region of some streams is positioned at the air intake surface (as shown in Figure 3) of evaporimeter, in the experimentation of reality, found by the form of the cloth thermocouple on each pipeline, the leaving air temp point temperature difference between this multichannel shunting is large, shunting is uneven, uniformity difference and be not easy to control.Under the operating mode that refrigerating operaton especially humidity ratio is larger, each leaving air temp temperature difference of multichannel shunting evaporimeter is large, be unfavorable for effective utilization of the evaporimeter of air-conditioner, and easily form condensation, cause air conditioner room unit to drip in a large number and even blow water phenomenon, have a strong impact on security and the comfortableness of user's use.
Summary of the invention
The invention provides a kind of multichannel shunting evaporimeter and adopt the air conditioner room unit of this evaporimeter, can solve that the multichannel shunting temperature difference that prior art exists is large, indoor set drips and blows water problem when easily forming condensation and air-conditioner refrigeration.
For solving the problems of the technologies described above:
On the one hand, the invention provides a kind of multichannel shunting evaporimeter, this evaporimeter entirety is bending tabular, its inner concave is the outlet air surface of evaporimeter, this evaporimeter comprises the multiple U-shaped hair fastener pipes be located on fin, and the end plate of the U-shaped end of fixing described multiple U-shaped hair fastener pipe, described end plate offers the multiple perforation supplying the U-shaped end of described U-shaped hair fastener pipe to pass, all U-shaped hair fastener pipes form the path flowed through for refrigerant by U-bend fittings, and the escape pipe of multiple feed tube and respective number is provided with in U-bend joint one end of evaporimeter, each described feed tube is communicated with some U-shaped hair fastener Guan Zaiyu escape pipes and is communicated with a rear formation point of stream, the each point of region of stream near described feed tube is low-temperature space, region near described escape pipe is high-temperature region, the high-temperature region of described evaporimeter is all positioned at the outlet air surface of evaporimeter, namely high-temperature region Hide All is in the rear of low-temperature space.
Further, the U-shaped end of described U-shaped hair fastener pipe is when passing the perforation on described end plate, comprise plug flat pipe and inclining tube two kinds of poling modes, described plug flat pipe refers to that the two ends of U-shaped hair fastener pipe are all through in the perforation on the same row of end plate, and described inclining tube refers in the perforation that the two ends of U-shaped hair fastener pipe are each passed through on the difference row of end plate.
Wherein, described evaporimeter comprises inside and outside two row's U-shaped hair fastener pipes, and outer row is air intake surface, and interior row is outlet air surface, and described feed tube is arranged on described outer row, and described escape pipe is arranged on described interior row, and described feed tube comprises three and then formation three points of streams.
Wherein, described evaporimeter comprises 14 U-shaped hair fastener pipes, described three points of streams be called set out on a journey, Road and Xia Lu, described 14 U-shaped hair fastener pipes be assigned to set out on a journey, the number on Road and lower road is respectively 5,5 and 4.
Wherein, set out on a journey described in adjacent with the feed tube of Road.
Wherein, set out on a journey described in adjacent with the escape pipe of Road.
Wherein, the feed tube on described lower road is adjacent across row with escape pipe.
Wherein, described Road is provided with an inclining tube when being transitioned into interior row by outer row.
Wherein, set out on a journey described in and be provided with an inclining tube when being transitioned into interior row by outer row.
On the other hand, the present invention also provides a kind of air conditioner room unit, adopts above-mentioned multichannel shunting evaporimeter.
Multichannel shunting evaporimeter of the present invention is by being all arranged at the outlet air surface of evaporimeter by the high-temperature region of evaporimeter, namely high-temperature region is hidden in the rear of low-temperature space as far as possible, make air-conditioning in refrigerating operaton process, first air enters outlet air surface and high-temperature region from air intake surface and low-temperature space, avoids air and first easily on indoor set aerofoil fan, forms condensation water problem close to high-temperature region.
And by the trend that classifying rationally multichannel is shunted, change the poling mode of U-shaped hair fastener pipe, the escape pipe position of evaporimeter is arranged on the back court position place near feed tube, multichannel is shunted more even, stability improves.
Compared with prior art, advantage of the present invention and good effect are:
Evaporimeter air intake surface and outlet air surface temperature province when the shunting mode of multichannel of the present invention shunting evaporimeter takes into full account air-conditioner refrigerating operaton, for air-flow direction, evaporimeter high-temperature region is hidden in low-temperature space rear, air is made to enter outlet air surface and high-temperature region from air intake surface and low-temperature space, make each point of stream shunting evenly, avoid due to excessive temperature differentials, form too much condensate water, solve condensation leaving air temp uneven and air-conditioner refrigeration uses time indoor set blow water droplet water problem.
Accompanying drawing explanation
Fig. 1 is the flow dividing structure schematic diagram (U-bend joint one end) of existing three tunnel shunting evaporimeters;
Fig. 2 is the flow dividing structure schematic diagram (end plate one end) of existing three tunnel shunting evaporimeters;
Fig. 3 is the warm area distribution schematic diagram of existing three tunnel shunting evaporimeters;
Fig. 4 is the flow dividing structure schematic diagram (U-bend joint one end) of the embodiment of the present invention 1 Zhong tri-tunnel shunting evaporimeter;
Fig. 5 is the flow dividing structure schematic diagram (end plate one end) of the embodiment of the present invention 1 Zhong tri-tunnel shunting evaporimeter;
Fig. 6 is the warm area distribution schematic diagram of the embodiment of the present invention 1 Zhong tri-tunnel shunting evaporimeter;
Symbol in figure and explanation thereof:
1, set out on a journey; 2, Road; 3, Xia Lu; 4, feed tube; 5, escape pipe; 6, U-shaped hair fastener pipe; 61, plug flat pipe; 62, inclining tube; 7, end plate; 8, U-bend joint;
The direction of arrow represents refrigerant and flows to; Regional Representative high-temperature region indicated by H; Regional Representative's low-temperature space indicated by L.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
The present invention is stability and the homogeneity of shunting evaporimeter in order to control multichannel, makes evaporimeter multichannel shunt the temperature difference and reduces as far as possible, and when solution condensation leaving air temp inequality and air-conditioner refrigeration use, indoor set blows water droplet water problem.
Thus, the invention provides a kind of multichannel shunting evaporimeter, this evaporimeter entirety is bending tabular, its inner concave is the outlet air surface of evaporimeter, correspondingly, outer convex surface is air intake surface, this evaporimeter comprises the multiple U-shaped hair fastener pipes be located on fin, and the end plate of the U-shaped end of fixing multiple U-shaped hair fastener pipe, end plate offers the multiple perforation supplying the U-shaped end of U-shaped hair fastener pipe to pass, all U-shaped hair fastener pipes form the path flowed through for refrigerant by U-bend fittings, and the escape pipe of multiple feed tube and respective number is provided with in U-bend joint one end of evaporimeter, each feed tube is communicated with some U-shaped hair fastener Guan Zaiyu escape pipes and is communicated with a rear formation point of stream, the each point of region of stream near feed tube is low-temperature space, region near escape pipe is high-temperature region, the high-temperature region of evaporimeter is all positioned at the outlet air surface of evaporimeter, namely the rear of low-temperature space is hidden in, thus avoid air directly easily forms condensation water phenomenon generation close to high-temperature region.
Concrete, the flow direction and the flow process of each point of stream is changed by the poling mode changing U-shaped hair fastener pipe, the U-shaped end of U-shaped hair fastener pipe is when passing the perforation on end plate, comprise plug flat pipe and inclining tube two kinds of poling modes, plug flat pipe refers to that the two ends of U-shaped hair fastener pipe are all through in the perforation on the same row of end plate, and inclining tube refers in the perforation that the two ends of U-shaped hair fastener pipe are each passed through on the difference row of end plate.
For three tunnel shunting evaporimeters, as Figure 1-3, three points of streams are respectively sets out on a journey 1 to existing three tunnel shunting evaporimeter tapping condition, and the high-temperature region H of 3, three point streams in Road 2 and lower road and low-temperature space L distributing position are as shown in Figure 3;
As can be seen from Fig. 1 and 3, set out on a journey 1 and the high-temperature region of Road 2 be exposed to the air intake surface place of evaporimeter, namely part outer row U-shaped hair fastener pipe 6 is in high-temperature region, like this in air conditioner refrigerating running, first partial air so just easily can form condensate water close to high-temperature region, causes during operation of air conditioner and blows water phenomenon.
As shown in Figure 2, the poling mode of the U-shaped hair fastener pipe 6 of end plate 7 one end of existing three tunnel shunting evaporimeters is all plug flat pipe 61 form.
Embodiment 1
As shown in Figure 4, three tunnel shunting evaporimeter entirety of the present invention are bending tabular, its inner concave is the outlet air surface of evaporimeter, outer convex surface is its air intake surface, this evaporimeter comprises the 14 U-shaped hair fastener pipes 6 be located on fin, and fix the end plate 7 of U-shaped end of 14 U-shaped hair fastener pipes 6, U-shaped hair fastener pipe 6 comprises inside and outside two rows, outer row is air intake surface, interior row is outlet air surface, end plate 7 offers the multiple perforation supplying the U-shaped end of U-shaped hair fastener pipe 6 to pass, all U-shaped hair fastener pipes 6 are communicated with the path being formed and flow through for refrigerant by U-bend joint 8, and be provided with 3 feed tubes 4 and three escape pipes 5 in U-bend joint 8 one end of evaporimeter, each feed tube 4 is communicated with some U-shaped hair fastener pipes 6 and is communicated with rear formation point of stream with escape pipe 5 again, thus form three points of streams, be respectively and set out on a journey 1, Road 2 and lower road 3, feed tube 4 is arranged on outer row, escape pipe 5 is arranged on interior row.
14 U-shaped hair fastener pipes 6 are assigned to and set out on a journey 1, the number on Road 2 and lower road 3 is respectively 5,5 and 4.
The each point of region of stream near feed tube 4 is low-temperature space, region near escape pipe 5 is high-temperature region, three streams as can be seen from Fig. 6, the high-temperature region H of evaporimeter is all positioned at the outlet air surface of evaporimeter, namely H Hide All in high-temperature region is in the rear of low-temperature space L, namely relative to air-flow direction, air first close to high-temperature region H, and then close to low-temperature space L; Generally, along the flow direction of refrigerant, the high-temperature region H of evaporimeter is that up to count 1-2 root U-shaped hair fastener pipe 6, low-temperature space L be that feed tube 4 down counts 1-2 root U-shaped hair fastener pipe to escape pipe 5, and all the other regions of each stream are saturation regions.
As shown in Figure 5, the poling mode of the U-shaped hair fastener pipe 6 of end plate 7 one end of evaporimeter, wherein set out on a journey 1 and the U-shaped hair fastener pipe 6 of Road 2 adopt inclining tube 62 mode when being transitioned into interior row by outer row, and lower road 3 and set out on a journey 1 and the poling mode of other U-shaped hair fastener pipe 6 of Road 2 be all that plug flat pipe 61,14 U-shaped hair fastener pipes 6 adopt above-mentioned poling mode finally to form the following shunt flow direction and flow process:
Set out on a journey 1: outer row 6 straight tubes, interior row 4 straight tubes;
Road 2: outer row 5 straight tubes, interior row 5 straight tubes;
Lower road 3: outer row 4 straight tubes, interior row 4 straight tubes.
In figure, the direction of arrow represents the flow direction of refrigerant in each point of stream.
Wherein, set out on a journey 1 and the feed tube 4 of Road 2 arrange adjacent outside; Set out on a journey 1 adjacent on interior row with the escape pipe 5 of Road 2; Feed tube 4 and the escape pipe 5 on lower road 3 are adjacent across inside and outside row.
Above-mentioned three tunnel shunting evaporimeters take into full account evaporimeter every root U-shaped hair fastener pipe 6 evaporation endothermic situation, classifying rationally three tunnel shunting trend, evaporimeter escape pipe position is placed on the lower end near evaporimeter feed tube, namely the feed tube 4 on corresponding front row, corresponding escape pipe 5 is arranged on the position rear row closing on as far as possible feed tube 4, high-temperature region H is hidden in low-temperature space L rear, and air-supply and refrigerant reach Proper Match, make three tunnel shuntings more even, stability is higher.
The present invention also provides a kind of air conditioner room unit, and this air conditioner room unit adopts three above-mentioned tunnel shunting evaporimeters.
Existing three tunnel shunting evaporimeters shunt evaporimeter when off-premises station is identical with three roads of the present invention, and different working condition experimenting temperature spot contrast is as following table:
Wherein, steaming goes out, steam in go out, steam under go out to refer to respectively the escape pipe on road under escape pipe that evaporimeter sets out on a journey, the escape pipe of evaporimeter Road, evaporimeter; Total inlet pipe refers to total feed tube; Always go out pipe and refer to total escape pipe.
Compared with shunting with existing evaporimeter three road as can be seen from the above table, improve Hou tri-tunnel shunting stability and homogeneity higher, the temperature difference of three tunnels shuntings is very little, solves condensation and drips and blow water problem, improve user's comfort and security; And evaporimeter shunting is evenly make evaporimeter be fully used, the ability efficiency of air-conditioner is promoted further.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (4)
1. a multichannel shunting evaporimeter, this evaporimeter entirety is bending tabular, its inner concave is the outlet air surface of evaporimeter, this evaporimeter comprises the multiple U-shaped hair fastener pipes be located on fin, and the end plate of the U-shaped end of fixing described multiple U-shaped hair fastener pipe, described end plate offers the multiple perforation supplying the U-shaped end of described U-shaped hair fastener pipe to pass, all U-shaped hair fastener pipes form the path flowed through for refrigerant by U-bend fittings, and the escape pipe of multiple feed tube and respective number is provided with in U-bend joint one end of evaporimeter, each described feed tube is communicated with some U-shaped hair fastener Guan Zaiyu escape pipes and is communicated with a rear formation point of stream, the each point of region of stream near described feed tube is low-temperature space, region near described escape pipe is high-temperature region, it is characterized in that: the high-temperature region of described evaporimeter is all positioned at the outlet air surface of evaporimeter,
The U-shaped end of described U-shaped hair fastener pipe is when passing the perforation on described end plate, comprise plug flat pipe and inclining tube two kinds of poling modes, described plug flat pipe refers to that the two ends of U-shaped hair fastener pipe are all through in the perforation on the same row of end plate, and described inclining tube refers in the perforation that the two ends of U-shaped hair fastener pipe are each passed through on the difference row of end plate;
Described evaporimeter comprises inside and outside two row's U-shaped hair fastener pipes, and outer row is air intake surface, and interior row is outlet air surface, and described feed tube is arranged on described outer row, and described escape pipe is arranged on described interior row, and described feed tube comprises three and then formation three points of streams;
Described evaporimeter comprises 14 U-shaped hair fastener pipes, described three points of streams be called set out on a journey, Road and Xia Lu, described 14 U-shaped hair fastener pipes be assigned to set out on a journey, the number on Road and lower road is respectively 5,5 and 4;
Described set out on a journey adjacent with the feed tube of Road;
Described set out on a journey adjacent with the escape pipe of Road;
The feed tube on described lower road is adjacent across row with escape pipe.
2. multichannel shunts evaporimeter according to claim 1, it is characterized in that: described Road is provided with an inclining tube when being transitioned into interior row by outer row.
3. multichannel shunting evaporimeter according to claim 1, is characterized in that: described in set out on a journey and be provided with an inclining tube when being transitioned into interior row by outer row.
4. an air conditioner room unit, is characterized in that the multichannel shunting evaporimeter adopted described in above-mentioned arbitrary claim.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210466667.1A CN103822408B (en) | 2012-11-19 | 2012-11-19 | A kind of multichannel is shunted evaporimeter and is adopted the air conditioner room unit of this evaporimeter |
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| CN201210466667.1A CN103822408B (en) | 2012-11-19 | 2012-11-19 | A kind of multichannel is shunted evaporimeter and is adopted the air conditioner room unit of this evaporimeter |
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| CN103822408B true CN103822408B (en) | 2016-04-27 |
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| CN105202820A (en) * | 2015-10-30 | 2015-12-30 | 广东美的制冷设备有限公司 | Evaporator assembly and air-conditioning indoor unit |
| CN107143994B (en) * | 2016-03-01 | 2019-12-20 | 广东美的制冷设备有限公司 | Air conditioner condensation prevention control method and air conditioner indoor unit |
| CN106322730B (en) * | 2016-09-20 | 2019-03-26 | 珠海格力电器股份有限公司 | Indoor heat exchanger and air conditioner with same |
| CN106766394A (en) * | 2016-12-13 | 2017-05-31 | 奥克斯空调股份有限公司 | Evaporator and air-conditioning |
| CN106678984B (en) * | 2017-02-21 | 2023-01-03 | 珠海格力电器股份有限公司 | Single-row evaporator and air conditioner indoor unit |
| CN110500703B (en) * | 2019-08-27 | 2020-10-27 | 珠海格力电器股份有限公司 | Air conditioner, air conditioner condensation judgment method and device and preventive measures |
| CN110940058B (en) * | 2019-11-22 | 2020-12-11 | 珠海格力电器股份有限公司 | Air conditioner condensation prevention control method and device, storage medium and air conditioner |
| CN112432333B (en) * | 2020-12-04 | 2021-11-09 | 珠海格力电器股份有限公司 | Control method and device of air conditioning system, storage medium and air conditioner |
| WO2022135229A1 (en) * | 2020-12-21 | 2022-06-30 | 青岛海尔空调器有限总公司 | Air conditioner and indoor unit thereof, evaporator, and evaporator tube plate |
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