CN109631422A - A kind of design method of air-conditioning condenser, car and air-conditioning condenser - Google Patents
A kind of design method of air-conditioning condenser, car and air-conditioning condenser Download PDFInfo
- Publication number
- CN109631422A CN109631422A CN201811504654.2A CN201811504654A CN109631422A CN 109631422 A CN109631422 A CN 109631422A CN 201811504654 A CN201811504654 A CN 201811504654A CN 109631422 A CN109631422 A CN 109631422A
- Authority
- CN
- China
- Prior art keywords
- air
- core
- conditioning condenser
- bottom case
- water conservancy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to air-conditioning condenser technical field, the design method of a kind of air-conditioning condenser, car and air-conditioning condenser is disclosed.The air-conditioning condenser includes top cover and bottom case, and top cover and bottom case form inner cavity, be provided with air inlet and air outlet on top cover；Further include the fixed bracket of core, be set on bottom case and be located in inner cavity, the fixed bracket of core is used to support the cooling core body component in inner cavity, and cooling core body component is set at air outlet；Conducting element is set on bottom case, and conducting element is located at cooling core body component close to the lower section of one end of air inlet, conducting element and bottom case interval preset height；Water conservancy diversion rib, is set on bottom case, water conservancy diversion rib and the fixed support level interval pre-determined distance of core, and is located at the lower section of cooling core body component.The present invention solves the problem of that above-mentioned condenser different structure feature and its arrangement mode cause core wind speed is uneven to influence condenser heat exchange amount by the internal structure of improvement air-conditioning condenser.
Description
Technical field
The present invention relates to air-conditioning condenser technical field more particularly to a kind of air-conditioning condensers, car and air-conditioning condenser
Design method.
Background technique
Coach air conditioner condenser is one of entire very important component part of coach air conditioner unit, the height of compressor discharge
Temperature, high-pressure gaseous refrigerant enter condenser, by the forced heat-exchanging of condensation fan, the cooling liquid system for becoming medium temperature, high pressure
Cryogen.In the design process of condenser, need to meet the requirement of mechanical strength, fatigue and service life, after-sales service convenience, together
When be also required to meet the requirement of condenser heat exchange property.In addition to the flowing of condenser core internal refrigeration storage agent, chiller core is external
The wind speed size and uniformity of side air are also to influence one of the important factor in order of condenser heat exchange property.For air side,
The promotion of wind speed helps to increase the coefficient of heat transfer of condenser, and the heat exchange property in low wind speed region can be poor, the utilization of core
Rate is relatively low.In most research, it is considered that condenser windward side wind speed be it is equally distributed, it is on this basis, right
The geometrical characteristic of condenser core is studied, such as fin thickness, spacing of fin, fin shape, core pipe arrangement form etc..
In actual conditions, by condenser, this body structure is influenced, the uniformity of core windward side wind speed be it is poor, this
Resulting in the practical heat exchange amount of condenser with Theoretical Design, there are biggish differences.Condenser structure feature specifically includes that bottom case, core
Components, the geometric feature sizes of these components and the mutual arrangements such as body, condensation fan, top cover and fixed bracket
Mode makes to form different air current compositions inside condenser, influences the uniformity of condenser core wind speed.Meanwhile for car sky
The specific geometric feature sizes of condenser and the influence to wind speed uniformity between each other are adjusted, is lacked a kind of effective, quick
, inexpensive evaluation and improve means.
Summary of the invention
The purpose of the present invention is to provide a kind of air-conditioning condensers to be solved by improving the internal structure of air-conditioning condenser
The problem of above-mentioned condenser different structure feature and its arrangement mode cause core wind speed uneven, influence condenser heat exchange amount.
A kind of car is additionally provided in the present invention, using above-mentioned air-conditioning condenser, reduces the energy consumption of car.
Another object of the present invention is to provide a kind of design method of air-conditioning condenser, to condenser various structures feature
Arrangement reasonably improved and optimized, meet the requirement of cooling core body component wind speed profile uniformity, keep condenser practical
Heat exchange amount conforms better to Theoretical Design.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of air-conditioning condenser, including top cover and bottom case are provided, the top cover and the bottom case form inner cavity, the top cover
On be provided with air inlet and air outlet；The air-conditioning condenser further include:
Core fixes bracket, is set on the bottom case and is located in the inner cavity, and the fixed bracket of the core is for branch
Support is located at the cooling core body component in the inner cavity, and the cooling core body component is set at the air outlet, certainly for cooling
The air inlet is delivered to the gas of the air outlet；
Conducting element is set on the bottom case, and the conducting element is located at the cooling core body component close to the air inlet
One end lower section, the conducting element and bottom case interval preset height, the conducting element is for water conservancy diversion from the air inlet
Into the gas in the air-conditioning condenser；
Water conservancy diversion rib is set on the bottom case, the water conservancy diversion rib and the fixed support level interval pre-determined distance of the core,
And it is located at the lower section of the cooling core body component, the water conservancy diversion rib is for water conservancy diversion by entering the cooling after the conducting element
The gas of core component.
Preferably, further include fan assembly, be set to the air inlet, the fan assembly includes actuator and wind
Machine, the actuator drive the blower rotation to make the air inlet air draught or pressure wind.
Preferably, fan blade is provided on the blower, the fan blade is set to the air inlet.
Preferably, the actuator is alternating current generator.
Preferably, projection of the fan blade on the top cover covers the air inlet.
Preferably, the cooling core body component includes:
Core group fixes bracket；
Core front wind screen and core rear wind-break panels are connected to the fixed bracket both ends of the core group, the core front windshield
Plate is disposed in proximity to the side of the blower；
Core is set between the core front wind screen and the core rear wind-break panels, and the core is set to described
Core group is fixed in the space surrounded between bracket, the core front wind screen and the core rear wind-break panels, the core setting
At the air outlet.
Preferably, buffering insulating layer is provided between the core front wind screen and the Blower Housing of the blower.
Preferably, the water conservancy diversion rib is set in the bottom case, and is integrally formed with the bottom case.
Preferably, the conducting element connects the bottom case by the fixed bracket of deflector.
Preferably, the conducting element includes the flat plate section being connected smoothly and arc section；
The flat plate section is set on the fixed bracket of the deflector, and is located at the throwing immediately below the core front wind screen
In the domain of shadow zone；
The arc section, which is tilted along gas flow direction towards the core, to be extended.
Preferably, the core uses pipe type core or concurrent flow core.
A kind of car is additionally provided in the present invention, including the air-conditioning condenser, the bottom case of the air-conditioning condenser
Radian is identical as the radian of the roof of the car.
A kind of design method of air-conditioning condenser is provided again in the present invention, for optimizing the air-conditioning condenser, institute
Stating cooling core body component includes core, and the conducting element of the air-conditioning condenser is default by the fixed bracket of deflector and bottom case interval
Highly, the design method includes:
Determine structure feature to be optimized are as follows: the fixed bracket of conducting element and bottom case interval preset height, water conservancy diversion rib and core
Between the height of horizontal interval pre-determined distance and water conservancy diversion rib；
It determines to the size model for promoting the advantageous preset height of core wind speed uniformity, the height of water conservancy diversion rib and pre-determined distance
It encloses；
By each size range by orthogonal design method, a variety of operating condition of test are determined；
Using CFD approach, the fluid in core described under operating condition of test described in every kind is emulated；
According to after emulation as a result, wind speed distributing homogeneity in the core under every kind of operating condition of test of evaluation；
The operating condition of test for selecting the wind speed profile uniformity best.
Preferably, it determines to the advantageous preset height of the promotion core wind speed uniformity, the water conservancy diversion rib and institute
State the determination method of the size range of pre-determined distance are as follows:
According to preset height described in the structure determination of the air-conditioning condenser, the height of the water conservancy diversion rib and it is described it is default away from
From size range to be determined；
By Variable Control method and CFD approach, determine parameters to the promotion advantageous size model of core wind speed uniformity
It encloses.
Preferably, by the average value of relative deviation absolute valueStandard as evaluation wind speed profile uniformity.
Preferably, the average value of the relative deviation absolute valueIt is obtained using following formula:
Wherein, viAir speed value a little, unit m/s are respectively calculated for core inside；It is average for the aforementioned wind speed for calculating point
Value, unit m/s；δiFor aforementioned each relative standard deviation values for calculating point.
Beneficial effects of the present invention: cooling core body component is supported by the fixed bracket of core in the present invention, is set on bottom case
Conducting element, conducting element and bottom case interval preset height are set, conducting element is set to cooling core body component close to one end of air inlet
Lower section carries out water conservancy diversion to the gas of air-conditioning condenser air inlet.By above-mentioned conducting element setting with bottom case interval preset height at,
And conducting element is located at cooling core body component close to the position of the lower section of one end of air inlet, by adjusting the setting of conducting element
Height and position, keep the uniformity of the wind speed from air inlet to the wind of cooling core body component more preferable.It is also set on bottom case simultaneously
It is equipped with water conservancy diversion rib, water conservancy diversion is carried out to by the gas after conducting element by water conservancy diversion rib, and because of water conservancy diversion rib and the fixed bracket of core
Horizontal interval pre-determined distance makes the gas after conducting element under the guide functions of water conservancy diversion rib, makes to enter cooling core body group
Gas in part more evenly, improves the heat exchange amount and heat exchange efficiency of cooling core body component.
Car provided in the present invention is made using above-mentioned air-conditioning condenser by promoting the heat transfer effect of air-conditioning condenser
The air-conditioning effect of car becomes apparent from, so that the comfort level in car is greatly promoted, because improving the heat exchange efficiency of air-conditioning condenser,
Therefore, it is equivalent to the energy consumption for reducing car.
The design method of air-conditioning condenser provided in the present invention, for optimizing conducting element and core in air-conditioning condenser
The height of support bracket fastened level-preset distance, conducting element and bottom case interval preset height and water conservancy diversion rib.Determining above-mentioned three
After a parameter is to the advantageous range of core wind speed uniformity is promoted, the range of three parameters is more determined, according to orthogonal design side
Method determines the operating condition of test of further optimised parameter.Above-mentioned operating condition is simulated in conjunction with CFD approach, according to simulation
The structure choice operating condition of test best to wind speed uniformity, so that it is determined that the optimized scope of three parameters.Design in the present invention
Method is reasonably improved and is optimized to the arrangement of condenser various structures feature, and core wind speed profile uniformity is met
It is required that the practical heat exchange amount of condenser is made to conform better to Theoretical Design.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of air-conditioning condenser of the invention；
Fig. 2 is the top view of air-conditioning condenser of the invention；
Fig. 3 is the flow chart of the design method of air-conditioning condenser of the invention.
In figure:
1, top cover；11, air inlet；12, air outlet；
2, bottom case；
3, the fixed bracket of core；
4, cooling core body component；42, core front wind screen；43, core rear wind-break panels；44, core；
5, conducting element；51, flat plate section；52, arc section；
6, water conservancy diversion rib；
7, fan assembly；71, actuator；72, blower；73, fan blade；74, Blower Housing；
8, the fixed bracket of deflector；
9, condenser central symmetry section；
10, the fixed support bracket bolt of deflector.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
As depicted in figs. 1 and 2, a kind of air-conditioning condenser is provided in the present embodiment, Fig. 1 is that air-conditioning condenser is symmetrical
Structure only represents a half structure of air-conditioning condenser in figure, and position shown in 9 in Fig. 1 is condenser central symmetry section.
The length of air-conditioning condenser in the present embodiment determines that usual range is 900-1500mm according to car size.Above-mentioned air-conditioning cold
Condenser includes top cover 1 and bottom case 2, and top cover 1 and bottom cover 2 form interior wall, be provided with air inlet 11 and air outlet 12 on top cover 1.It is empty
Adjusting condenser further includes the fixed bracket 3 of core, conducting element 5 and water conservancy diversion rib 6.
Wherein, the fixed bracket 3 of core is set on bottom case, and is located in inner cavity, and the fixed bracket 3 of core, which is used to support, to be located at
Cooling core body component 4 in inner cavity, cooling core body 44 are set at air outlet 12, are delivered to outlet air from air inlet 11 for cooling
The gas of mouth 12.
Conducting element 5 is set on bottom case 2, and conducting element 5 is located at cooling core body component 4 under one end of air inlet 11
Side, conducting element 5 and bottom case 2 are spaced preset height, and conducting element 5 enters the gas in air-conditioning condenser for water conservancy diversion from air inlet 11
Body.Specifically, conducting element 5 connects bottom case 2, support of the conducting element 5 through the fixed bracket 8 of deflector by the fixed bracket 8 of deflector
Height apart from bottom case preset height, the i.e. fixed bracket 8 of deflector is preset height.
Water conservancy diversion rib 6 is set on bottom case 2, water conservancy diversion rib 6 and the fixed 3 horizontal interval pre-determined distance of bracket of core, and is located at cold
But the lower section of core component 4, water conservancy diversion rib 6 is for water conservancy diversion by the gas after conducting element 5 into cooling core body component 4.
Cooling core body component 4 is supported by the fixed bracket 3 of core in the present embodiment, cooling core body component 4 is made to be located at outlet air
Conducting element 5 is arranged in the lower section of mouth 12 on bottom case 2, and conducting element 5 and bottom case 5 are spaced preset height, and conducting element 5 is set to cooling
Core component 4 carries out water conservancy diversion close to the lower section of one end of air inlet 11, to the gas of air-conditioning condenser air inlet 11, leads above-mentioned
It flows the setting of part 5 to be spaced at preset height with bottom case 2, and conducting element 5 is arranged in cooling core body component 4 close to air inlet 11
One end lower section position, height and position by adjusting the setting of conducting element 5, to make air inlet 11 to cooling core body
Gas homogeneity inside component 4 is more preferable.It is additionally provided with water conservancy diversion rib 6 on bottom case 2 simultaneously, passes through water conservancy diversion by 6 pairs of water conservancy diversion rib
Gas after part 5 carries out water conservancy diversion, and because of water conservancy diversion rib 6 and the fixed 3 horizontal interval pre-determined distance of bracket of core, makes by conducting element
Gas after 5 makes the gas entered in cooling core body component 4 more evenly under the guide functions of water conservancy diversion rib 6, improves cooling core
The heat exchange amount and heat exchange efficiency of body component 4.
Air-conditioning condenser in the present embodiment further includes fan assembly 7, and fan assembly 7 is set in accommodating chamber, and is located at
The middle position of top cover 1, fan assembly 7 are arranged in condenser internal symmetry.Fan assembly 7 includes actuator 71 and blower 72,
Actuator 71 drives blower 72 to rotate, and is provided with fan blade 73 on blower 72, fan blade 73 is set at air inlet 11.It is excellent
Selection of land, actuator 71 are alternating current generator, and air inlet 11 is completely covered in projection of the fan blade 73 on top cover 1, and being capable of air draught
With pressure wind.Because condenser needs to work in low temperature environment such as snowy day gas in the present embodiment, at this point, impeller of blower 73 presses wind,
Condenser working, and 73 air draught of impeller of blower under normal circumstances, condenser working.The selection of actuator 71 exchange in the present embodiment
The purpose of motor is: required air quantity when to guarantee that air-conditioning condenser works normally, meanwhile, by the electric current for changing alternating current generator
The positive and negative rotation of impeller of blower 73 is realized in direction, so that air draught or the pressure wind of air-conditioning condenser are realized, in addition, using in the present embodiment
Impeller of blower 73 it is larger, the whole height of blower 72 is 190mm, and the diameter of impeller of blower 73 is 500mm, and blower motor (is handed over
Galvanic electricity machine) diameter be 140mm.
Under normal circumstances, air-conditioning condenser selects direct current generator, and the size of impeller of blower 73 is smaller, is applied to this implementation
In air-conditioning condenser in example, it is impossible to meet the required air quantity of air-conditioning condenser, meanwhile, low temperature environment can not be applied to
In.Therefore the motor rotary AC motor of the air-conditioning condenser in the present embodiment, and the size of impeller of blower 73 is larger, imports empty
Adjust air quantity intracavitary in condenser big.
Cooling core body component 4 in the present embodiment is in the tilted setting in the inner cavity of air-conditioning condenser, tilt angle and level
The angular range in face is 12 ° -15 °.Cooling core body component 4 includes core group fixed bracket (not shown in FIG.), core front windshield
Plate 42, core rear wind-break panels 43 and core 44.Wherein, it is solid to be all connected to core group for core front wind screen 42 and core rear wind-break panels 43
Fixed rack both ends, core front wind screen 42 are disposed in proximity to the side of blower 72, and core 44 is set to 42 He of core front wind screen
Between core rear wind-break panels 43, core 44 be set to the fixed bracket of core group and core front wind screen 42 and core rear wind-break panels 43 it
Between in the space that surrounds, core 44 is set at air outlet 12, and core rear wind-break panels 43 are fixed on the fixed bracket 3 of core.This
Core 44 in embodiment uses pipe type core or concurrent flow core.It is arranged between core front wind screen 42 and Blower Housing 74
There is buffering insulating layer, when car work, the vibration and motor that vehicle generates drive blower rotation, lead to air-conditioning condenser
Overall structure can generate vibration, meanwhile, because of the shell 74 of blower 71 and being closer for cooling core body component 4, to prevent blower
The vibration that 71 shell generates drives cooling core body component 4 is whole to generate vibration, influence cooling core body component 4 heat transfer effect and
Service life, setting buffering insulating layer carry out buffer protection to cooling core body component 4, while because of the shell and cooling core of blower 71
There are gap between body component 4, setting buffering insulating layer prevents air-flow from altering wind between gap between the two.
Conducting element 5 is plank frame, including the flat plate section 51 being connected smoothly and arc section 52, plate in the present embodiment
The width of section 51 is 40mm, with a thickness of 1.5mm, guarantees that the ability of its resistance to deformation under higher wind speed, flat plate section 51 are arranged
It fixes on bracket 8, and is located in the view field of underface of core front wind screen 42 and Blower Housing 74, circular arc in deflector
Section 52 extends along gas flow direction to the inclination close to 44 direction of core, and arc section 52 projects width in the horizontal direction and is
30mm, arc radius 36mm, thickness are consistent with flat plate section 51.Conducting element 5 is for water conservancy diversion from air inlet 11 to cooling core
The gas of body component 4.Meanwhile conducting element 5 and the fixed bracket 8 of deflector pass through welded connecting.
The fixed bracket 8 of deflector respectively arranges one at the both ends (referred to herein as the width direction of conducting element 5) of conducting element 5,
It is fixedly connected by the fixed support bracket bolt 10 of deflector with bottom case 2.The width of the fixed bracket 8 of each deflector is 40mm, thick
Degree is 2mm, length 50mm.
Be additionally provided with water conservancy diversion rib 6 on bottom case 2, water conservancy diversion rib 6 there are two types of structure, the radian of condenser bottom case 2 and car
Roof is consistent, and in the present embodiment, 2 overall width of bottom case is 1900mm.The fixed bracket 3 of core is located at core rear wind-break panels
43 lower sections.6 height of water conservancy diversion rib, water conservancy diversion rib 6 and the spacing of the fixed bracket 3 of core are affected to the uniformity of 44 wind speed of core,
6 width of water conservancy diversion rib is 60mm in the present embodiment, and 6 height of water conservancy diversion rib is 20mm, and water conservancy diversion rib 6 and the spacing of the fixed bracket 3 of core are
440mm.Water conservancy diversion rib 6 and the integrally formed protrusion of bottom case 2, water conservancy diversion rib 6 are used between water conservancy diversion bottom case 2 and cooling core body component 4
Gas.
Condensation fan 72 enters the wind direction and air-out direction as shown in Figure 1, core 44 uses pipe type using the form of pressure wind
Core or concurrent flow core, pipe type core is used in the present embodiment, and the pipe of core 44 is that 6 rows 24 arrange.
A kind of car is additionally provided in the present embodiment comprising air-conditioning condenser as above, wherein the bottom of air-conditioning condenser
The radian of roof of radian and car of shell 2 is identical.Above-mentioned air-conditioning condenser is utilized on car, by promoting air-conditioning condenser
Heat transfer effect, become apparent from the air-conditioning effect of car, so that the comfort level in car is greatly promoted, because improving air conditioner condensation
Therefore the heat exchange efficiency of device is equivalent to the energy consumption for reducing car.
As shown in figures 1 and 3, a kind of design method of air-conditioning condenser is additionally provided in the present embodiment, Fig. 3 is this implementation
The coach air conditioner design of condenser method flow provided in example, above-mentioned design of condenser method includes orthogonal design and the side CFD
Method carries out co-design to air-conditioning condenser by two methods.By this design method to the row of the structure feature of condenser
Cloth is reasonably improved and is optimized, and the internal structure of air-conditioning condenser is optimized, and the internal structure after optimization meets 44 wind of core
The requirement of fast distributing homogeneity makes the practical heat exchange amount of condenser preferably meet Theoretical Design, greatly improves heat exchange efficiency.
The design method of above-mentioned air-conditioning condenser is for optimizing air-conditioning condenser above-mentioned in the present embodiment, wherein above-mentioned
The cooling core body component 4 of air-conditioning condenser includes core 44, and conducting element 5 is spaced by the fixed bracket 8 of deflector with bottom case 2 default
Highly, specific design method includes:
Determine structure feature to be optimized, the structure feature packet being affected in the present embodiment to 44 wind speed uniformity of core
It includes: pre-determined distance and water conservancy diversion between conducting element 5 and the interval preset height of bottom case 2 and water conservancy diversion rib 6 and the fixed bracket 3 of core
The height of rib 6.
In next step, the size range of every kind of structure feature is determined, i.e., according to the structure ruler of the air-conditioning condenser of above-mentioned design
It is very little, determine a wide range of of the size of every kind of structure feature.Later, according to the size range of above-mentioned each structure feature, examination is determined
Test operating condition.Specifically, using control variate method, in the case where other two structure feature is constant, only change one of knot
Structure feature, is simulated by CFD approach, so that it is determined that above three parameter is advantageous several to 44 wind speed uniformity of core is promoted
What size range, the geometric dimension range of parameters herein.In the present embodiment, the size range of each structure feature such as following table
Shown in 1, table 1 is the suitably sized of the selection of each structure feature of condenser.Water conservancy diversion rib 6 and fixed 3 spacing of bracket of core
Totally 3 kinds of sizes, respectively 360,400,440mm, totally 3 kinds of sizes, respectively 20,25,30mm, deflector are solid for 6 height of water conservancy diversion rib
The height of fixed rack 8 totally 3 kinds of sizes, respectively 50,60,70mm.
Table 1
| It is horizontal | Pre-determined distance/mm | Water conservancy diversion rib height/mm | Preset height/mm |
| 1 | 360 | 20 | 50 |
| 2 | 400 | 25 | 60 |
| 3 | 440 | 30 | 70 |
In next step, each size range is determined into a variety of operating condition of test by orthogonal design method.Specifically, according to
The size range of the quantity of selected structure feature and every kind of structure feature determines corresponding orthogonal test table, orthogonal test table
It is the main tool of orthogonal design method, the orthogonality having is picked out the representational point in part from comprehensive test and carried out
Test, may be implemented the result that least number reaches equivalent with a large amount of comprehensive tests.In the present embodiment, the orthogonal arrage of selection is such as
Shown in the following table 2, table 2 is the orthogonal test table in the present embodiment under the different operating conditions that provide, required test number (TN) totally 9 times,
Number is test 1-9 respectively.
Table 2
In next step, using CFD approach, the wind speed in core 44 under every kind of operating condition of test is emulated.Specifically, in conjunction with
Above-mentioned CFD approach, calculates the wind speed profile of each position in core 44 in every kind of operating condition, in the present embodiment, using CFD approach pair
Above-mentioned test number is that every kind of operating condition of 1-9 carries out simulation calculating respectively.
In next step, according to emulation as a result, wind speed distributing homogeneity in core 44 under every kind of operating condition of test of evaluation.Specifically
Ground the optimal combination scheme of various structures feature is chosen according to evaluation criterion.It is mainly equal to 44 wind speed of core in the present embodiment
Even property is evaluated, by the average value of relative deviation absolute valueAs the standard of evaluation wind speed profile uniformity, the phase of use
To the average value of absolute value of the biasIt is obtained using following formula:
Wherein, viFor each air speed value for calculating point in 44 inside of core, unit m/s；It is average for the aforementioned wind speed for calculating point
Value, unit m/s；δiFor aforementioned each relative standard deviation values for calculating point；For the average value of aforementioned relative deviation absolute value.
In above-mentioned table 2For each air speed value v for calculating point in 44 inside of core is calculated using CFD simulationi, later will
viData export CFD after, obtained data are post-processed to obtain the average value of relative deviation absolute value
In the present embodiment, test shown in the orthogonal experiments table 2 as above of 1-9, the relative deviation of each operating condition of test is absolute
The average value of value is respectively as follows: 18.1%, 19.5%, 24.8%, 16.1%, 18.2%, 33.6%, 15.2%, 28.4%,
32.9%, under normal circumstances, above-mentioned value is smaller, represents that 44 wind speed uniformity of core is better, so test 7 is that optimal structure is special
Sign combination, corresponding size are as follows: water conservancy diversion rib 6 and the spacing (i.e. the two pre-determined distance) of the fixed bracket 3 of core are
440mm, 6 height (i.e. the second preset height) of water conservancy diversion rib are 20mm, fixed 8 height (i.e. preset height) of bracket of deflector is
70mm。
Aforementioned CFD approach specific steps are as shown in the right side Fig. 3:
Initially set up the mathematical model of different tests operating condition in aforementioned orthogonal arrage.In the present embodiment, need to establish mathematical modulo
The operating condition of type is test 1-9.
Further, it determines size of mesh opening, completes grid dividing, in the present embodiment, using air as research object, establish control
Equation includes mainly mass-conservation equation, energy conservation equation, momentum conservation equation, turbulence control equation, and equation is this field
Equation is commonly used in research, and will not be described here in detail.
Further, after establishing governing equation, the boundary condition of computation model is defined, given solution is controlled and completes to calculate iteration mistake
Journey.Further according to above-mentioned 44 wind speed Evaluation for Uniformity standard of core, the post-processing of result is carried out, in conjunction with orthogonal design method, is determined
The optimal assembled scheme of various structures feature.
The design method of the air-conditioning condenser provided in the present embodiment, for optimize the conducting element 5 in air-conditioning condenser with
The level-preset distance of the fixed bracket 3 of core, conducting element 5 and bottom case 2 are spaced the height of preset height and water conservancy diversion rib 6.True
After determining above three parameter to the advantageous range of core wind speed uniformity is promoted, the range of three parameters is more determined, according to just
Design method is handed over, determines the operating condition of test of further optimised parameter.Above-mentioned operating condition is simulated in conjunction with CFD approach,
The operating condition of test best to wind speed uniformity is selected according to model configuration, so that it is determined that the optimized scope of three parameters.This implementation
Design method in example is reasonably improved and is optimized to the arrangement of condenser various structures feature, and core wind speed point is met
The requirement of cloth uniformity makes the practical heat exchange amount of condenser conform better to Theoretical Design.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (16)
1. a kind of air-conditioning condenser, including top cover (1) and bottom case (2), the top cover (1) and the bottom case (2) form inner cavity, institute
It states and is provided with air inlet (11) and air outlet (12) on top cover (1)；It is characterized in that, the air-conditioning condenser further include:
Core is fixed bracket (3), is set on the bottom case (2) and is located in the inner cavity, and the core fixed bracket (3) is used
It is located at the cooling core body component (4) in the inner cavity in support, the cooling core body component (4) is set to the air outlet (12)
Place, for the cooling gas for being delivered to the air outlet (12) from the air inlet (11)；
Conducting element (5) is set on the bottom case (2), and the conducting element (5) is located at the cooling core body component (4) close to institute
The lower section of one end of air inlet (11) is stated, the conducting element (5) and the bottom case (2) are spaced preset height, the conducting element (5)
For water conservancy diversion from the air inlet (11) enter the air-conditioning condenser in the gas；
Water conservancy diversion rib (6) is set on the bottom case (2), the water conservancy diversion rib (6) and fixed bracket (3) horizontal interval of the core
Pre-determined distance, and it is located at the lower section of the cooling core body component (4), the water conservancy diversion rib (6) passes through the conducting element for water conservancy diversion
(5) enter the gas of the cooling core body component (4) after.
2. air-conditioning condenser according to claim 1, which is characterized in that further include fan assembly (7), be set to it is described into
At air port (11), the fan assembly (7) includes actuator (71) and blower (72), and the actuator (71) drives the blower
(72) rotation makes the air inlet (11) air draught or pressure wind.
3. air-conditioning condenser according to claim 2, which is characterized in that be provided with fan blade on the blower (72)
(73), the fan blade (73) is set at the air inlet (11).
4. air-conditioning condenser according to claim 2, which is characterized in that the actuator (71) is alternating current generator.
5. air-conditioning condenser according to claim 3, which is characterized in that the fan blade (73) is in the top cover (1)
On projection cover the air inlet (11).
6. air-conditioning condenser according to claim 2, which is characterized in that the cooling core body component (4) includes:
Core group fixes bracket；
Core front wind screen (42) and core rear wind-break panels (43), are connected to the fixed bracket both ends of the core group, before the core
Wind deflector (42) is disposed in proximity to the side of the blower (72)；
Core (44) is set between the core front wind screen (42) and the core rear wind-break panels (43), the core
(44) it is set between the fixed bracket of the core group, the core front wind screen (42) and the core rear wind-break panels (43) and surrounds
Space in, the core (44) is set at the air outlet (12).
7. air-conditioning condenser according to claim 6, which is characterized in that the core front wind screen (42) and the blower
(72) buffering insulating layer is provided between Blower Housing (74).
8. air-conditioning condenser according to claim 1, which is characterized in that the water conservancy diversion rib (6) is set to the bottom case (2)
It is interior, and be integrally formed with the bottom case (2).
9. air-conditioning condenser according to claim 6, which is characterized in that the conducting element (5) passes through the fixed branch of deflector
Frame (8) connects the bottom case (2).
10. air-conditioning condenser according to claim 9, which is characterized in that the conducting element (5) includes being connected smoothly
Flat plate section (51) and arc section (52)；
The flat plate section (51) is set on the deflector fixed bracket (8), and is located at the core front wind screen (42) just
In the view field of lower section；
The arc section (52), which tilts along gas flow direction towards the core (44), to be extended.
11. air-conditioning condenser according to claim 6, which is characterized in that the core (44) using pipe type core or
Concurrent flow core.
12. a kind of car, which is characterized in that including the described in any item air-conditioning condensers of claim 1-11, the air-conditioning cold
The radian of the bottom case of condenser is identical as the radian of the roof of the car.
13. a kind of design method of air-conditioning condenser, which is characterized in that for optimizing the described in any item skies of claim 1-11
Condenser is adjusted, the cooling core body component (4) includes core (44), and the conducting element (5) of the air-conditioning condenser passes through deflector
Fixed bracket (8) and bottom case (2) are spaced preset height, and the design method includes:
Determine structure feature to be optimized are as follows: conducting element (5) and bottom case (2) are spaced preset height, and water conservancy diversion rib (6) is fixed with core
The height of horizontal interval pre-determined distance and water conservancy diversion rib (6) between bracket (3)；
It determines to the advantageous preset height of promotion core wind speed uniformity, the height of water conservancy diversion rib (6) and the size model of pre-determined distance
It encloses；
By each size range by orthogonal design method, a variety of operating condition of test are determined；
Using CFD approach, the fluid in core (44) described under operating condition of test described in every kind is emulated；
According to after emulation as a result, wind speed distributing homogeneity in the core (44) under every kind of operating condition of test of evaluation；
The operating condition of test for selecting the wind speed profile uniformity best.
14. the design method of air-conditioning condenser according to claim 13, which is characterized in that determine to the promotion core
(44) determination of the advantageous preset height of wind speed uniformity, the size range of the water conservancy diversion rib (6) and the pre-determined distance
Method are as follows:
According to preset height described in the structure determination of the air-conditioning condenser, the height of the water conservancy diversion rib (6) and it is described it is default away from
From size range to be determined；
By Variable Control method and CFD approach, determine parameters to the promotion advantageous size range of core wind speed uniformity.
15. the design method of air-conditioning condenser according to claim 13, which is characterized in that by relative deviation absolute value
Average valueStandard as evaluation wind speed profile uniformity.
16. the design method of air-conditioning condenser according to claim 15, which is characterized in that the relative deviation absolute value
Average valueIt is obtained using following formula:
Wherein, viFor the internal each air speed value for calculating point of core (44), unit m/s；It is average for the aforementioned wind speed for calculating point
Value, unit m/s；δiFor aforementioned each relative standard deviation values for calculating point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504654.2A CN109631422A (en) | 2018-12-10 | 2018-12-10 | A kind of design method of air-conditioning condenser, car and air-conditioning condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504654.2A CN109631422A (en) | 2018-12-10 | 2018-12-10 | A kind of design method of air-conditioning condenser, car and air-conditioning condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109631422A true CN109631422A (en) | 2019-04-16 |
Family
ID=66072490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811504654.2A Pending CN109631422A (en) | 2018-12-10 | 2018-12-10 | A kind of design method of air-conditioning condenser, car and air-conditioning condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109631422A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905478A (en) * | 1987-04-30 | 1990-03-06 | Hitachi, Ltd. | Air conditioner for railway vehicles |
| CN2673698Y (en) * | 2003-12-01 | 2005-01-26 | 赵飞鹏 | Air conditioning system condenser unit assemblage for minitype bus |
| CN1816459A (en) * | 2003-05-05 | 2006-08-09 | 开利公司 | Configuration for modular rooftop air conditioning system |
| KR20090117050A (en) * | 2008-05-08 | 2009-11-12 | 모딘코리아 유한회사 | Air-conditioning system for vehicle |
| CN103673120A (en) * | 2012-09-20 | 2014-03-26 | 郑州科林车用空调有限公司 | Energy-saving comfortable vehicle air-conditioner |
| CN106080107A (en) * | 2016-07-22 | 2016-11-09 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN206362027U (en) * | 2016-12-05 | 2017-07-28 | 广州精益汽车空调有限公司 | A kind of air-conditioning core |
| CN206914101U (en) * | 2017-07-20 | 2018-01-23 | 马鞍山仪达空调有限公司 | A kind of side-mounted automotive fan heater |
| CN207570164U (en) * | 2017-11-09 | 2018-07-03 | 珠海格力电器股份有限公司 | Air conditioner heat transfer device, passenger train air conditioner and passenger train |
| CN209230088U (en) * | 2018-12-10 | 2019-08-09 | 上海加冷松芝汽车空调股份有限公司 | A kind of air-conditioning condenser and car |
-
2018
- 2018-12-10 CN CN201811504654.2A patent/CN109631422A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905478A (en) * | 1987-04-30 | 1990-03-06 | Hitachi, Ltd. | Air conditioner for railway vehicles |
| CN1816459A (en) * | 2003-05-05 | 2006-08-09 | 开利公司 | Configuration for modular rooftop air conditioning system |
| CN2673698Y (en) * | 2003-12-01 | 2005-01-26 | 赵飞鹏 | Air conditioning system condenser unit assemblage for minitype bus |
| KR20090117050A (en) * | 2008-05-08 | 2009-11-12 | 모딘코리아 유한회사 | Air-conditioning system for vehicle |
| CN103673120A (en) * | 2012-09-20 | 2014-03-26 | 郑州科林车用空调有限公司 | Energy-saving comfortable vehicle air-conditioner |
| CN106080107A (en) * | 2016-07-22 | 2016-11-09 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN206362027U (en) * | 2016-12-05 | 2017-07-28 | 广州精益汽车空调有限公司 | A kind of air-conditioning core |
| CN206914101U (en) * | 2017-07-20 | 2018-01-23 | 马鞍山仪达空调有限公司 | A kind of side-mounted automotive fan heater |
| CN207570164U (en) * | 2017-11-09 | 2018-07-03 | 珠海格力电器股份有限公司 | Air conditioner heat transfer device, passenger train air conditioner and passenger train |
| CN209230088U (en) * | 2018-12-10 | 2019-08-09 | 上海加冷松芝汽车空调股份有限公司 | A kind of air-conditioning condenser and car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108426315B (en) | Air conditioner wall mounted unit, air conditioner and air outlet control method of wall mounted unit | |
| CN106594904A (en) | Refrigerating heat pump type frostless air conditioner outdoor unit | |
| CN204227552U (en) | Air-conditioner | |
| CN110762619A (en) | Machine and air conditioner in air conditioning of reversible air supply | |
| CN208059069U (en) | Air conditioner | |
| CN205048677U (en) | Air guide structure of air conditioner, air duct machine and air conditioner | |
| CN106594903A (en) | Refrigeration heat pump type frostless air conditioning outdoor unit | |
| CN105180398A (en) | Air guide structure of air conditioner, air duct machine and air conditioner | |
| CN203478454U (en) | Air conditioner outdoor unit and variable frequency air conditioner with same | |
| CN204495140U (en) | A kind of Central air-conditioning unit cooling device for circulating cooling water | |
| CN209230088U (en) | A kind of air-conditioning condenser and car | |
| CN109099510A (en) | air conditioner | |
| JP2019184519A (en) | Air conditioning system of environmental test room for vehicle | |
| CN204187763U (en) | Water A/C evaporator and aircondition | |
| CN110598322A (en) | Simulation evaluation and optimization design method for integrated downward-convex pressure-stabilizing flow-distributing automobile condenser | |
| CN109631422A (en) | A kind of design method of air-conditioning condenser, car and air-conditioning condenser | |
| JP2019184518A (en) | Air conditioning system of environmental test room for vehicle | |
| CN106500202A (en) | A kind of heat abstractor of off-premises station | |
| CN207225019U (en) | Vehicle-mounted air conditioner and centrifugal fan mounting structure thereof | |
| CN107192014B (en) | Indoor unit of air conditioner | |
| CN202350209U (en) | Semiconductor air conditioner | |
| CN110160168A (en) | Air conditioner | |
| CN206145843U (en) | Air conditioner outdoor unit and air conditioner | |
| CN211925919U (en) | Air outlet device, air conditioner indoor unit and air conditioner | |
| CN204063381U (en) | A kind of air regulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |