CN202757352U - Evaporator with cold accumulation function - Google Patents
Evaporator with cold accumulation function Download PDFInfo
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- CN202757352U CN202757352U CN201220330049XU CN201220330049U CN202757352U CN 202757352 U CN202757352 U CN 202757352U CN 201220330049X U CN201220330049X U CN 201220330049XU CN 201220330049 U CN201220330049 U CN 201220330049U CN 202757352 U CN202757352 U CN 202757352U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model provides an evaporator with a cold accumulation function. The evaporator can prevent breakage of a cold accumulation material container and restrain fluctuations of exhaust gas temperature at the time of releasing a cold source. A heat exchange core part (4) of the evaporator with the cold accumulation function is provided with a plurality of refrigerant runner pipes (13) and a plurality of cold accumulation material containers (16), and cold accumulation materials (R) are sealed in the cold accumulation material containers (16). The cold accumulation materials (R) in the cold accumulation material containers (16) are cooled through cold sources in refrigerants flowing in the refrigerant runner pipes (13). Cold accumulation material storage parts (26) and decompression spaces (27) are arranged in the cold accumulation material containers (16), wherein the cold accumulation material storage parts (26) store the cold accumulation materials (R), and the decompression spaces (27) are communicated with the cold accumulation material storage parts (26) and enable the inside volume of each cold accumulation material storage part (26) to be smaller than the inside volume of each cold accumulation material container (16) so that at least the upper portions of the cold accumulation material storage parts (26) are enabled to be parallel with the decompression spaces (27) in the ventilation direction. The cold accumulation materials (R) in the cold accumulation material storage parts (26) flow into the decompression spaces (27) when the pressure in the cold accumulation material storage parts (26) rises abnormally.
Description
Technical field
The utility model relates to the evaporimeter with cool storage function of the Vehicular air-conditioning apparatus that a kind of drive source engine that makes compressor when stopping temporarily stops.
In this specification and claims book, refer to up and down Fig. 1 and Fig. 3 about.
In addition, in this specification and claims book, the term of so-called " condenser " except common condenser, also represents to have the secondary low-temperature condenser of condensing and supercooling section.
Background technology
In recent years, take environmental protection and the raising of automobile fuel consumption rate etc. as purpose, proposed when the parking of waiting signal lamp etc., to make the automobile of engine automatic stop.
But in common air conditioner for vehicles, if make engine stop, then the compressor take engine as drive source also can stop, and therefore, existence can't be to evaporimeter the supply system cryogen, and the problem that refrigerating capacity is sharply reduced.
So, in order to address this is that, expect cool storage function is imparted to evaporimeter, when engine stop and after compressor stops, discharging the low-temperature receiver that stores in the evaporimeter and make the indoor cooling of car.
As this evaporimeter with cool storage function, the following evaporimeter with cool storage function has been proposed, it has at a pair of casing of devices spaced apart ground configuration on the above-below direction and is arranged on two heat exchange core between the casing, heat exchange core has: with width frontage and airiness direction and with length direction under the state of above-below direction, devices spaced apart ground configuration on the length direction of two casings, and a plurality of flat pipe for flowing of refrigerant of being communicated with two casings respectively of both ends up and down; With with width frontage and airiness direction and with length direction under the state of above-below direction, devices spaced apart ground configuration on the length direction of two casings, and enclose the cool storage material container that cool storage material is arranged in inside, the cool storage material in the cool storage material container cools off (with reference to patent documentation 1) by the low-temperature receiver that the cold-producing medium that flows has in pipe for flowing of refrigerant.
The evaporimeter with cool storage function of putting down in writing according to patent documentation 1, when the common refrigeration of compressor action, the low-temperature receiver that the cold-producing medium that flows in pipe for flowing of refrigerant has is delivered to the cool storage material in the cool storage material container and is stored in the cool storage material, after compressor stops, the pipe for flowing of refrigerant of stored low-temperature receiver process cool storage material container thermo-contact is discharged in the air that passes through from heat exchange core in the cool storage material in the cool storage material container.
, the cool storage material as enclosing in the cool storage material container of this evaporimeter with cool storage function generally all uses fusing point to be adjusted into the latent-heat storage material of 5～10 ℃ paraffin class.For example, in the evaporimeter with cool storage function that patent documentation 1 is put down in writing, as the cool storage material of in the cool storage material container, enclosing, also be that the use fusing point is 6 ℃ n-tetradecane.
But, common environment for use temperature range ratio such as the high situation of-40～90 ℃ scope under, the interior residual air meeting of the cool storage material of liquid phase state and cool storage material container thermal expansion, and, the ratio of the volume of the cool storage material of enclosing according to the internal volume with respect to a confined space in the cool storage material container is the cool storage material filling rate, worries that the interior pressure of cool storage material container can abnormal ascending and cause breakage.
Therefore, consider security, the cool storage material filling rate need to be reduced, still, can produce following problem in this case.Namely, patent documentation 1 is put down in writing together be assembled in the air conditioner for vehicles with the evaporimeter of cool storage function and compressor and condenser the time, usually, in housing, so that the mode that heat exchange core is positioned on the air flue configures with plumbness, therefore, the upper lateral part branch at the cool storage material container produces the major part that does not have cool storage material.Its result causes that there are the following problems, namely, upper portion at the cool storage material container can't store low-temperature receiver, and, when compressor stops, from temperature upper portion heat exchange core, the cool storage material container, that do not have the air that flows through the part of cool storage material that air passed through, compare rapid rising with the temperature of the air that from the part that has cool storage material, flows through, and being delivery temperature, the temperature of the air that passes through from the evaporimeter with cool storage function can greatly fluctuate.
Patent documentation 1: No. 4043776 communique of Japan Patent
The utility model content
The purpose of this utility model is to address the above problem, and provides a kind of cool storage material container that can prevent damaged, and the evaporimeter with cool storage function of the fluctuation of the delivery temperature can suppress the release low-temperature receiver time.
In order to achieve the above object, the utility model is made of following mode.
1) a kind of evaporimeter with cool storage function, wherein, heat exchange core has: at a plurality of pipe for flowing of refrigerant that make length direction devices spaced apart ground configuration under the state of above-below direction; With make length direction towards above-below direction configuration and the inner cool storage material container that cool storage material is arranged of enclosing, the cool storage material in the cool storage material container cools off by the low-temperature receiver that the cold-producing medium that flows in pipe for flowing of refrigerant has,
In the cool storage material container, be provided with the cool storage material storage unit that stores cool storage material and communicate with the cool storage material storage unit and make the little pressure release space of internal volume of the interior volume specific ratio cool storage material container of cool storage material storage unit, so that at least the top of cool storage material storage unit and pressure release space on direction of ventilation side by side, when the pressure anomaly in the cool storage material storage unit rose, cool storage material flow in the pressure release space from the cool storage material storage unit.
2) according to above-mentioned 1) described evaporimeter with cool storage function, cool storage material storage unit and pressure release space in the cool storage material container are communicated with in the upper end.
3) according to above-mentioned 1) or 2) described evaporimeter with cool storage function, make the cool storage material storage unit be provided with packaged unit with the interconnecting part that the pressure release space is communicated with, described packaged unit seals interconnecting part in common environment for use temperature range, and, when the pressure anomaly in the cool storage material storage unit rises that interconnecting part is open.
4) according to above-mentioned 3) described evaporimeter with cool storage function, pipe for flowing of refrigerant and cool storage material container are respectively the flat that makes width frontage and airiness direction, the pressure release space with across the cool storage material container and rectangular two sidewalls of direction of ventilation between mode devices spaced apart ground on direction of ventilation arrange, and two longitudinal wall part of being extended downwards from the upper end wall of cool storage material container, and the cross wall section that the bottom of two longitudinal wall part links each other centered on, on the upper end of the longitudinal wall part of at least either party in two longitudinal wall part, be provided with the interconnecting part that the cool storage material storage unit is communicated with the pressure release space.
5) according to above-mentioned 3) described evaporimeter with cool storage function, pipe for flowing of refrigerant and cool storage material container are respectively the flat that makes width frontage and airiness direction, the pressure release space with across the cool storage material container and rectangular two sidewalls of direction of ventilation between mode devices spaced apart ground on direction of ventilation arrange, and two longitudinal wall part of being extended downwards from the upper end wall of cool storage material container, and the cross wall section that the bottom of two longitudinal wall part links each other centered on, on the upper end wall of cool storage material container, so that the mode that the direction of ventilation two side portions of the longitudinal wall part of at least either party in two longitudinal wall part is communicated with is provided with the top bellying, be the interconnecting part that the cool storage material storage unit is communicated with the pressure release space in the bellying of top.
6) according to above-mentioned 3) described evaporimeter with cool storage function, pipe for flowing of refrigerant and cool storage material container are respectively the flat that makes width frontage and airiness direction, in the cool storage material container, with across the cool storage material container and rectangular two left and right sides sidewalls of direction of ventilation between mode arrange, and be separated into two sections arranged side by side on direction of ventilation by the partition wall that in the overall height scope of cool storage material container, extends, thus, in the cool storage material container, be provided with cool storage material storage unit and pressure release space, on the upper end wall of cool storage material container, so that the mode that the direction of ventilation two side portions of partition wall is communicated with is provided with the top bellying, be the interconnecting part that the cool storage material storage unit is communicated with the pressure release space in the bellying of top.
7) according to above-mentioned 1)～6) in each described evaporimeter with cool storage function, in common environment for use temperature range, the liquid level of the cool storage material in the cool storage material storage unit is positioned at the height more than 70% of the overall height of cool storage material container.
The utility model effect
According to above-mentioned 1)～7) the evaporimeter with cool storage function, in the cool storage material container, be provided with the cool storage material storage unit that stores cool storage material and communicate with the cool storage material storage unit and make the little pressure release space of internal volume of the interior volume specific ratio cool storage material container of cool storage material storage unit, so that at least the top of cool storage material storage unit and pressure release space on direction of ventilation side by side, when the pressure anomaly in the cool storage material storage unit rose, cool storage material flow in the pressure release space from the cool storage material storage unit.Therefore, ratio at the volume of the cool storage material of enclosing that will be relative with the internal volume of cool storage material container is the cool storage material filling rate, in the situation of the ratio of the breakage that causes as the interior pressure that can prevent the cool storage material container under the environment for use temperature, by cool storage material is put near the upper end of cool storage material storage unit, and till can making cool storage material exist near the upper end of cool storage material container of the heat exchange core of passing through to air.Therefore, even near the upper end of cool storage material container, also can store low-temperature receiver in the cool storage material in the cool storage material container, when compressor stops, the temperature that can be suppressed at the air that flows near the part the upper end that is equivalent to the cool storage material container of heat exchange core rises, thereby the temperature that can suppress the air that passes through from the evaporimeter with cool storage function is the fluctuation of delivery temperature.
In addition, such as owing to vehicle fire etc. makes temperature higher than common environment for use temperature range, for example become in the situation of the temperature more than 100 ℃, cool storage material flow in the pressure release space from the cool storage material storage unit, therefore, can suppress the rising of the interior pressure of cool storage material storage unit, and then suppress the rising of the interior pressure of cool storage material container, prevent breaking of cool storage material container.In addition, the Intensity Design of cool storage material container is, in common environment for use temperature range in for example-40～90 ℃ the scope, even owing to the cool storage material generation variable density of liquid phase state and remain in air thermal expansion in the cool storage material container and press liter in making, can damaged intensity yet.
According to above-mentioned 3) the evaporimeter with cool storage function, on being set to vehicle during in, can prevent that the cool storage material in the cool storage material storage unit from flowing in the pressure release space.
According to above-mentioned 4)～6) the evaporimeter with cool storage function, the interconnecting part that the cool storage material storage unit is communicated with the pressure release space can be set fairly simplely.
According to above-mentioned 7) the evaporimeter with cool storage function, the temperature that can effectively suppress the air that passes through from the evaporimeter with cool storage function is the fluctuation of delivery temperature.
Description of drawings
Fig. 1 is the integrally-built fragmentary perspective cross sectional view of the expression evaporimeter with cool storage function of the present utility model.
Fig. 2 is the A-A line amplification view of Fig. 1.
Fig. 3 is the vertical sectional view of the cool storage material container that uses in the evaporimeter with cool storage function of Fig. 1.
Fig. 4 is the vertical sectional view of the first variation of expression cool storage material container.
Fig. 5 is the vertical sectional view of the second variation of expression cool storage material container.
Description of reference numerals
1: with the evaporimeter of cool storage function
4: heat exchange core
13: pipe for flowing of refrigerant
16,40,50: the cool storage material container
26,52: the cool storage material storage unit
27,53: the pressure release space
32,42,55: interconnecting part
33,43,56: packaged unit
29: longitudinal wall part
31: cross wall section
40a, 50a: upper end wall
41,54: the top bellying
51: partition wall
R: cool storage material
The specific embodiment
Below, with reference to accompanying drawing embodiment of the present utility model is described.
In the following description, take direction of ventilation downstream (direction that represents with arrow X in each accompanying drawing) as before, take its opposition side as after.In addition, when the past direction rear is observed about, be about to Fig. 1 about be used as about.
Further, in the following description, the term of so-called " aluminium " except comprising fine aluminium, also comprises aluminium alloy.
Fig. 1 represents the overall structure of the evaporimeter with cool storage function of the present utility model, and Fig. 2 and Fig. 3 represent the structure of its major part.
Among Fig. 1, have in devices spaced apart ground configuration on the above-below direction and at upwardly extending aluminum the first catch box 2 of right and left and aluminum the second catch box 3 be arranged on heat exchange core 4 between two catch boxs 2,3 with the evaporimeter 1 of cool storage function.
The first catch box 2 has the refrigerant inlet liquid collecting section 5 that is positioned at front side (direction of ventilation downstream), and be positioned at rear side (direction of ventilation upstream side) and with integrated refrigerant outlet liquid collecting section of refrigerant inlet liquid collecting section 56.Right part in refrigerant inlet liquid collecting section 5 is provided with refrigerant inlet 7, is provided with refrigerant outlet 8 in the right part of refrigerant outlet liquid collecting section 6.The second catch box 3 have be positioned at the front side first in the middle of liquid collecting section 9, and be positioned at rear side and with first in the middle of liquid collecting sections 11 in the middle of the liquid collecting section 9 integrated second.The second catch box 3 first in the middle of engage in the mode across the right part of liquid collecting section 9,11 in the middle of two in the liquid collecting section 11 in the liquid collecting section 9 and in the middle of second, and be communicated with via the communication means 12 of inside for path.
As shown in Figures 1 and 2, on heat exchange core 4, on left and right directions, be shape arranged side by side to devices spaced apart and dispose, make width frontage and airiness direction (fore-and-aft direction) and make length direction towards a plurality of aluminium extruded sections of above-below direction flat pipe for flowing of refrigerant 13 processed.At this, a plurality of groups 14 devices spaced apart ground configurations on left and right directions that consisted of by two pipe for flowing of refrigerant 13 in devices spaced apart ground configuration on the fore-and-aft direction, the adjacent ventilation gap 15 that is formed with each other of the group 14 that consists of at the pipe for flowing of refrigerant 13 by front and back.The upper end of the pipe for flowing of refrigerant 13 of front side is connected with refrigerant inlet liquid collecting section 5, and liquid collecting section 9 is connected in the middle of its bottom and first.In addition, the upper end of the pipe for flowing of refrigerant 13 of rear side is connected with refrigerant outlet liquid collecting section 6, and liquid collecting section 11 is connected in the middle of its bottom and second.
In all ventilation gaps 15 of heat exchange core 4 part a plurality of ventilation gaps 15 and be in the non-conterminous ventilation gap 15, dispose in the mode across former and later two pipe for flowing of refrigerant 13, enclose the aluminum cool storage material container 16 that cool storage material R (with reference to Fig. 3) is arranged.In addition, in remaining ventilation gap 15, dispose in the mode across former and later two pipe for flowing of refrigerant 13, all have the undulatory outer fin 17 that the aluminium solder brazing sheet of brazing material layer consists of by the two sides, and should outer fin 17 solderings on former and later two pipe for flowing of refrigerant 13 that the group 14 to the left and right sides of formation ventilation gap 15 consists of.That is, in the ventilation gap 15 of the both sides of the ventilation gap 15 that disposes cool storage material container 16, dispose respectively outer fin 17.In addition, the outside in the group 14 of the pipe for flowing of refrigerant 13 at two ends, the left and right sides, also dispose by the two sides and all have the outer fin 17 that the aluminium solder brazing sheet of brazing material layer consists of, and make its soldering on former and later two pipe for flowing of refrigerant 13, further, the outside at the outer fin 17 at two ends, the left and right sides disposes aluminum side plate 18, and makes its soldering outside on the fin 17.Outer fin 17 be by in front and back upwardly extending wave crest section, in front and back upwardly extending wave base section and corrugated that the linking part that wave crest section and wave base section link is consisted of.Outer fin 17 is compared with the cephalolateral margin of front side pipe for flowing of refrigerant 13 and is positioned at the rear, and has: the fin main part 19 of soldering on the pipe for flowing of refrigerant 13 of the front and back of each group 14; The foreign side's extension 21 that communicates with cephalolateral margin with fin main part 19 and arrange to compare the mode of forwards stretching out with the cephalolateral margin of front side pipe for flowing of refrigerant 13.Between foreign side's extension 21 of the outer fin 17 in being disposed at the adjacent ventilation gap 15 that does not dispose cool storage material container 16, dispose aluminum spacer plate 22, and make its soldering on foreign side's extension 21.
Cool storage material container 16 is for to make width towards fore-and-aft direction and to make length direction towards the flat of above-below direction, and have: compare with the cephalolateral margin of front side pipe for flowing of refrigerant 13 and be positioned at the rear, and the container body section 23 of soldering on former and later two pipe for flowing of refrigerant 13 of each group 14; With the foreign side's extension 24 that communicates with the edge, front side (downwind side edge) of container body section 23 and arrange to compare forwards mode that (direction of ventilation the outside) stretch out with the cephalolateral margin of front side pipe for flowing of refrigerant 13.The size of the left and right directions of the container body section 23 of cool storage material container 16 equates with whole.The size of the above-below direction of foreign side's extension 24 of cool storage material container 16 equates with the size of the above-below direction of container body section 23, and the size of the left and right directions of the size container main part 23 of left and right directions is large, with respect to container body section 23 to the left and right direction foreign side bloat.The size of the left and right directions of foreign side's extension 24 equals, and the size of the left and right directions of the size of the left and right directions of container body section 23 and pipe for flowing of refrigerant 13 is namely managed 2 times of high additions and the height that obtains.And soldering has on the left and right sides of foreign side's extension 24 of cool storage material container 16, is disposed at foreign side's extension 22 of the outer fin 17 in two adjacent ventilation gaps 15 of the ventilation gap 15 that disposes cool storage material container 16.Cool storage material container 16 is formed with, the aluminium solder brazing sheet that the two sides is all had a brazing material layer imposes punch process and forms bellying 25a, the 25b of container body section 23 and foreign side's extension 24, and by circumference each other mutually two of soldering cause greatly vertical rectangular aluminium sheet 25 and consist of.
As shown in Figures 2 and 3, in cool storage material container 16, be provided with: the cool storage material storage unit 26 that stores cool storage material R; With communicate with cool storage material storage unit 26, and make the little pressure release space 27 of internal volume of the interior volume specific ratio cool storage material container 16 of cool storage material storage unit 26.Pressure release space 27 is to compare the mode of top with the central authorities of the height of cool storage material container 16 from the upper end arrival of cool storage material container 16, be arranged on the pars intermedia of the direction of ventilation of cool storage material container 16, this be arranged on container body section 23 direction of ventilation pars intermedia and compare on the part at rear with the cephalolateral margin of front side pipe for flowing of refrigerant 13.The top of cool storage material storage unit 26 and pressure release space 27 have from direction of ventilation upstream side and downstream to be observed and overlapping part.
As the cool storage material R (omitting diagram among Fig. 2) to the 26 interior fillings of cool storage material storage unit, the use freezing point is adjusted into the paraffin series latent heat cool storage material R about 5～10 ℃.Be specially, use n-pentadecane, n-tetradecane etc.The cubical expansivity of paraffin series latent heat cool storage material R is larger than the cubical expansivity of air.And in common environment for use temperature range, the liquid level of the cool storage material R in the cool storage material storage unit 26 is positioned at more than 70% of overall height of cool storage material container 16, is preferably the height that is positioned at more than 90%.In addition, the ratio of the volume of the cool storage material R that enclose relative with the internal volume of cool storage material container 16 is that cool storage material R filling rate is preferably 70～80%.This filling rate is the filling rate under the normal temperature.
On in the cool storage material storage unit 26 of cool storage material container 16 and the part below pressure release space 27 is compared, dispose the aluminum inner fin 28 (omitting diagram Fig. 3) that arrives the leading section of foreign side's extension 24 from the rearward end of container main part 23.Inner fin 28 be by in front and back upwardly extending wave crest section, in front and back upwardly extending wave base section and corrugated that the linking part that wave crest section and wave base section link is consisted of.The fin height of inner fin 28 equates with whole height, and on the inner surface of the part that is positioned at container body section 23 of soldering in the wall 16a of the left and right sides of cool storage material container 16.
Pressure release space 27 with across cool storage material container 16 and rectangular two left and right sides sidewall 16a of direction of ventilation between mode devices spaced apart ground on direction of ventilation and two longitudinal wall part 29 of being extended downwards by the upper end wall 16b from cool storage material the container 16 and cross wall section 31 that the bottom of two longitudinal wall part 29 links each other centered on are set.On the longitudinal wall part 29 of at least either party in two longitudinal wall part 29, on this is upper end in the longitudinal wall part 29 of direction of ventilation upstream side, be provided with the interconnecting part 32 that cool storage material storage unit 26 is communicated with pressure release space 27.At this, the liquid level of the cool storage material R in the cool storage material storage unit 26 is preferably to compare with interconnecting part 32 and is positioned at the below, but is not limited thereto.Be provided with packaged unit 33 at interconnecting part 32, this packaged unit 33 seals interconnecting part 32 in common environment for use temperature range, and, when temperature higher and interconnecting part 32 is open when pressure anomaly in the cool storage material storage unit 26 is risen than common environment for use temperature range.Therefore, when temperature higher and when pressure anomaly in the cool storage material storage unit 26 was risen, cool storage material R flow in the pressure release space 27 from cool storage material storage unit 26 than common environment for use temperature range.
Above-mentioned evaporimeter 1 with cool storage function and compressor take the engine of vehicle as drive source, the condenser (refrigerant cooler) that the cold-producing medium of discharging from compressor is cooled off, the expansion valve (pressure reducer) that the cold-producing medium that passes through from condenser is reduced pressure together consist of freeze cycle and are used as air conditioning for automobiles, and carry vehicle that the drive source engine that makes compressor when parking the time temporarily stops for example on the automobile.And, when compressor action, the two phase refrigerant of the gas-liquid mixed phase of the low pressure of from condenser and expansion valve, being passed through by compressor compresses, from refrigerant inlet 7 by entering in the refrigerant inlet liquid collecting section 5 with the evaporimeter 1 of cool storage function, then from the pipe for flowing of refrigerant 13 of front side by in the liquid collecting section 9 in the middle of flowing into first.Enter in the middle of first the cold-producing medium in the liquid collecting section 9 from communication means 12 in by liquid collecting section 11 in the middle of entering into second in after, from the pipe for flowing of refrigerant 13 of rear side, export in the liquid collecting section 6 by flowing into, then from refrigerant outlet 8 outflows.And, between pipe for flowing of refrigerant 13 interior flow periods, carry out heat exchange with the air that from ventilation gap 15, passes through, thereby cold-producing medium becomes gas phase and flows out at cold-producing medium.
At this moment, make the cool storage material R cooling in the container body section 23 of cool storage material container 16 by the low-temperature receiver that has at pipe for flowing of refrigerant 13 interior mobile cold-producing mediums, further, the low-temperature receiver that the cool storage material R of container body section 23 interior coolings has is delivered to via inner fin 28 among the cool storage material R in foreign side's extension 24 of cool storage material container 16, and, the low-temperature receiver that has by the air that makes by refrigerant cools from ventilation gap 15 is delivered among the cool storage material R in foreign side's extension 24, consequently, low-temperature receiver is stored among the cool storage material R all in the cool storage material container 16.
In the situation that compressor stops, the low-temperature receiver that the cool storage material R in the container body section 23 of cool storage material container 16 and the foreign side's extension 24 has is delivered to the left and right sides wall 16a of cool storage material container 16 via inner fin 28.The low-temperature receiver that is arranged in the part in the container body section 23 that is delivered to left and right sides wall 16a passes through from pipe for flowing of refrigerant 13, and via the fin main part 19 of the outer fin 17 of soldering on this pipe for flowing of refrigerant 13, and be delivered in the air that from two adjacent ventilation gaps 15 of the ventilation gap 15 that disposes cool storage material container 16, passes through.Be delivered to the low-temperature receiver that is positioned at the part on foreign side's extension 24 of left and right sides wall 16a via foreign side's extension 21 of the outer fin 17 of soldering on the left and right sides of foreign side's extension 24, and be delivered in the air that from ventilation gap 15, passes through.Therefore, even the temperature of the wind that passes through from evaporimeter 1 has risen, owing to this wind can be cooled, so can prevent the rapid reduction of refrigerating capacity.
For example, because vehicle fire etc., when around temperature higher than common environment for use temperature range, when for example becoming the temperature more than 100 ℃, the volumetric expansion (variable density) of the cool storage material R of liquid phase state and the thermal expansion meeting that remains in the air in the cool storage material storage unit 26 become clearly, and make the interior pressure abnormal ascending of cool storage material storage unit 26.But, the cubical expansivity of paraffin series latent heat cool storage material R is larger than the cubical expansivity of air, therefore, when temperature higher and when pressure anomaly in the cool storage material storage unit 26 is risen than common environment for use temperature range, then open packaged unit 33 makes the cool storage material R in the cool storage material storage unit 26 flow in the pressure release space 27 by interconnecting part 32.Thus, can reduce the interior pressure of cool storage material storage unit 26, thereby can prevent breaking of cool storage material container 16.
Fig. 4 and Fig. 5 represent cool storage material distortion of vessel example.
In the situation of cool storage material container 40 shown in Figure 4, on the upper end wall 40a of cool storage material container 40, so that at least either party in two longitudinal wall part 29 in pressure release space 27, be the mode that the direction of ventilation two side portions of the longitudinal wall part 29 of direction of ventilation upstream side is communicated with at this, be provided with top bellying 41, become the interconnecting part 42 that cool storage material storage unit 26 is communicated with pressure release space 27 in the top bellying 41.And, end in the pressure release space of interconnecting part 42 27 sides, namely the upper end of direction of ventilation downstream longitudinal wall part 29 and above be provided with packaged unit 43 between the direction of ventilation end of downstream side of bellying 41, this packaged unit 43 seals interconnecting part 42 in common environment for use temperature range, and, when temperature higher and interconnecting part 42 is open when pressure anomaly in the cool storage material storage unit 26 is risen than common environment for use temperature range.When temperature higher and when pressure anomaly in the cool storage material storage unit 26 is risen than common environment for use temperature range, cool storage material R from cool storage material storage unit 26 flow into pressure release between in 27.
In the situation of cool storage material container 50 shown in Figure 5, on the part in cool storage material container 50 inherent direction of ventilation downstreams, with across cool storage material container 50 and rectangular two left and right sides sidewalls of direction of ventilation between and arrange in the upwardly extending mode of upper and lower, and be separated into two sections arranged side by side on direction of ventilation by the partition wall that in the overall height scope of cool storage material container 50, extends, thus, cool storage material storage unit 52 and pressure release space 53 are arranged in the mode that the former is positioned at the direction of ventilation upstream side.In addition, on the upper end wall 50a of cool storage material container 50, so that the mode that the direction of ventilation two side portions of partition wall 51 is communicated with is provided with top bellying 54, become the interconnecting part 55 that cool storage material storage unit 52 is communicated with pressure release space 53 in the top bellying 54.The upper end of partition wall 51 upward bellying 54 is interior outstanding.And, in interconnecting part 55, be provided with packaged unit 56, thus, at common environment for use temperature range inner sealing interconnecting part 55, and, when temperature than common environment for use temperature range high and open communication section 55 when pressure anomaly in the cool storage material storage unit 52 is risen.When temperature higher and when pressure anomaly in the cool storage material storage unit 52 was risen, cool storage material R flow in the pressure release space 53 from cool storage material storage unit 52 than common environment for use temperature range.Packaged unit 56 on the detent position of lower end with partition wall 51 in be present in above part 51a in the bellying 54 engage.
According to Fig. 4 and cool storage material container 40,50 shown in Figure 5, cool storage material R can be inserted till cool storage material storage unit 26, the upper end in 52, the liquid level that can also make cool storage material R and cool storage material container 40,50 upper end are identical.
In the cool storage material container 40,50 with the cool storage material container 16 of the evaporimeter 1 of cool storage function and Fig. 4 and Fig. 5 of above-mentioned embodiment, packaged unit 33,43,56 might not be essential.
Evaporimeter with cool storage function of the present utility model uses in the freeze cycle that is adapted at making when stopping the air conditioner for vehicles of the vehicle that the drive source engine of compressor temporarily stops to consist of.
Claims (8)
1. evaporimeter with cool storage function, wherein, heat exchange core has: at a plurality of pipe for flowing of refrigerant that make length direction devices spaced apart ground configuration under the state of above-below direction; With make length direction towards above-below direction ground configuration and the inner cool storage material container that cool storage material is arranged of enclosing, the cool storage material in the cool storage material container cools off by the low-temperature receiver that the cold-producing medium that flows in pipe for flowing of refrigerant has, it is characterized in that,
In the cool storage material container, be provided with the cool storage material storage unit that stores cool storage material and communicate with the cool storage material storage unit and make the little pressure release space of internal volume of the interior volume specific ratio cool storage material container of cool storage material storage unit, so that at least the top of cool storage material storage unit and pressure release space on direction of ventilation side by side, when the pressure anomaly in the cool storage material storage unit rose, cool storage material flow in the pressure release space from the cool storage material storage unit.
2. the evaporimeter with cool storage function according to claim 1 is characterized in that, cool storage material storage unit and pressure release space in the cool storage material container are communicated with in the upper end.
3. the evaporimeter with cool storage function according to claim 1 and 2, it is characterized in that, make the cool storage material storage unit be provided with packaged unit with the interconnecting part that the pressure release space is communicated with, described packaged unit seals interconnecting part in common environment for use temperature range, and, when the pressure anomaly in the cool storage material storage unit rises that interconnecting part is open.
4. the evaporimeter with cool storage function according to claim 3, it is characterized in that, pipe for flowing of refrigerant and cool storage material container are respectively the flat that makes width frontage and airiness direction, the pressure release space with across the cool storage material container and rectangular two sidewalls of direction of ventilation between mode devices spaced apart ground on direction of ventilation arrange, and two longitudinal wall part of being extended downwards from the upper end wall of cool storage material container, and the cross wall section that the bottom of two longitudinal wall part links each other centered on, on the upper end of the longitudinal wall part of at least either party in two longitudinal wall part, be provided with the interconnecting part that the cool storage material storage unit is communicated with the pressure release space.
5. the evaporimeter with cool storage function according to claim 3, it is characterized in that, pipe for flowing of refrigerant and cool storage material container are respectively the flat that makes width frontage and airiness direction, the pressure release space with across the cool storage material container and rectangular two sidewalls of direction of ventilation between mode devices spaced apart ground on direction of ventilation arrange, and two longitudinal wall part of being extended downwards from the upper end wall of cool storage material container, and the cross wall section that the bottom of two longitudinal wall part links each other centered on, on the upper end wall of cool storage material container, so that the mode that the direction of ventilation two side portions of the longitudinal wall part of at least either party in two longitudinal wall part is communicated with is provided with the top bellying, be the interconnecting part that the cool storage material storage unit is communicated with the pressure release space in the bellying of top.
6. the evaporimeter with cool storage function according to claim 3, it is characterized in that, pipe for flowing of refrigerant and cool storage material container are respectively the flat that makes width frontage and airiness direction, in the cool storage material container, with across the cool storage material container and rectangular two left and right sides sidewalls of direction of ventilation between mode arrange, and be separated into two sections arranged side by side on direction of ventilation by the partition wall that in the overall height scope of cool storage material container, extends, thus, in the cool storage material container, be provided with cool storage material storage unit and pressure release space, on the upper end wall of cool storage material container, so that the mode that the direction of ventilation two side portions of partition wall is communicated with is provided with the top bellying, be the interconnecting part that the cool storage material storage unit is communicated with the pressure release space in the bellying of top.
7. according to claim 1, each described evaporimeter with cool storage function in 2,4,5,6, it is characterized in that, in-40～90 ℃ common environment for use temperature range, the liquid level of the cool storage material in the cool storage material storage unit is positioned at the height more than 70% of the overall height of cool storage material container.
8. the evaporimeter with cool storage function of stating according to claim 3 is characterized in that, in-40～90 ℃ common environment for use temperature range, the liquid level of the cool storage material in the cool storage material storage unit is positioned at the height more than 70% of the overall height of cool storage material container.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-147882 | 2011-07-04 | ||
| JP2011147882A JP5865616B2 (en) | 2011-07-04 | 2011-07-04 | Evaporator with cool storage function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757352U true CN202757352U (en) | 2013-02-27 |
Family
ID=47688083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220330049XU Expired - Fee Related CN202757352U (en) | 2011-07-04 | 2012-07-03 | Evaporator with cold accumulation function |
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| JP (1) | JP5865616B2 (en) |
| CN (1) | CN202757352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224851A (en) * | 2016-12-14 | 2018-06-29 | 株式会社京滨冷暖科技 | Evaporator with cool storage function |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5862507B2 (en) * | 2012-08-07 | 2016-02-16 | 株式会社デンソー | Cold storage heat exchanger |
| JP6082629B2 (en) * | 2013-03-18 | 2017-02-15 | 株式会社ヴァレオジャパン | Heat exchanger |
| EP2960612A1 (en) * | 2013-02-25 | 2015-12-30 | Valeo Systemes Thermiques | Heat exchanger and vehicle air conditioning device |
| JP6151961B2 (en) * | 2013-04-30 | 2017-06-21 | 株式会社ヴァレオジャパン | Air conditioner for vehicles |
| JP6148066B2 (en) * | 2013-05-08 | 2017-06-14 | 株式会社ヴァレオジャパン | Heat exchanger |
| JP6148034B2 (en) * | 2013-02-25 | 2017-06-14 | 株式会社ヴァレオジャパン | Manufacturing method of heat exchanger |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815881U (en) * | 1981-07-20 | 1983-01-31 | 積水化学工業株式会社 | heat storage container |
| JP2576829B2 (en) * | 1994-03-17 | 1997-01-29 | 松下電工株式会社 | Cool storage tank |
| JPH1144496A (en) * | 1997-07-23 | 1999-02-16 | Mitsubishi Chem Eng Corp | Portable regenerator |
| JPH11294918A (en) * | 1998-04-06 | 1999-10-29 | Zexel:Kk | Cold accumulator |
| JP5315094B2 (en) * | 2009-03-06 | 2013-10-16 | 株式会社ケーヒン・サーマル・テクノロジー | Evaporator with cool storage function |
-
2011
- 2011-07-04 JP JP2011147882A patent/JP5865616B2/en not_active Expired - Fee Related
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2012
- 2012-07-03 CN CN201220330049XU patent/CN202757352U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224851A (en) * | 2016-12-14 | 2018-06-29 | 株式会社京滨冷暖科技 | Evaporator with cool storage function |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5865616B2 (en) | 2016-02-17 |
| JP2013015250A (en) | 2013-01-24 |
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