CN103245250B - Flow equalization plate, header pipe, heat exchanger, design tools of flow equalization plate, header pipe and heat exchanger, and design method of flow equalization plate - Google Patents
Flow equalization plate, header pipe, heat exchanger, design tools of flow equalization plate, header pipe and heat exchanger, and design method of flow equalization plate Download PDFInfo
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- CN103245250B CN103245250B CN201310214905.4A CN201310214905A CN103245250B CN 103245250 B CN103245250 B CN 103245250B CN 201310214905 A CN201310214905 A CN 201310214905A CN 103245250 B CN103245250 B CN 103245250B
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Abstract
The invention discloses a flow equalization plate, a header pipe, a heat exchanger, a design tool of the flow equalization plate, a design tool of the header pipe, a design tool of the heat exchanger, and a design method of the flow equalization plate. The design tool of the flow equalization plate comprises a mounting plate, a plurality of flow equalization blocks and a plurality of detection devices, wherein a plurality of spaced mounting openings are formed in the mounting plate; flow equalization holes and a detection hole are formed in each flow equalization block; the number of the flow equalization blocks is greater than or equal to that of the mounting openings; at least a part of the flow equalization blocks are mounted on the mounting openings in a replaceable manner respectively; and the detection devices are connected with the detection holes of the flow equalization blocks mounted on the mounting plate respectively and used for detecting fluid pressure on each flow equalization block. A product designed according to the design tool of the flow equalization plate is high in accuracy; modular design can be achieved; the research, development and design cost can be lowered; and the research, development and design efficiency can be improved.
Description
Technical field
The present invention relates to art of refrigeration units, especially the homogenizing plate relating to a kind of Orifice-plate design frock, Orifice-plate design method and obtained by this Orifice-plate design frock and method for designing design, and there is the header design frock of this Orifice-plate design frock and obtain header by this header design Fixture Design, and relate to the design of heat exchanger frock with this header design frock and a kind of heat exchanger obtained by this design of heat exchanger Fixture Design.
Background technology
The version of heat exchanger is various, such as there is the structure such as pipe type, corrugated tube type, stacked, parallel flow type, because parallel flow heat exchanger has, performance is good, lightweight, cost is low, heat exchange amount high, generally have employed the heat exchanger of parallel flow type structure as evaporimeter in current automobile refrigeration system.But the uneven problem of the thermo parameters method of the heat exchanger of parallel flow type structure annoyings the development of industry all the time.
For solving the problem of advectional heat exchanger thermo parameters method inequality, the solution adopted in industry normally increases for making the more uniform homogenizing plate of the distribution of refrigerant of each flat tube in the header of advectional heat exchanger inside, and the equal discharge orifice of different size specification and form is set on homogenizing plate, the Drag distribution of each flat tube inner flow passage in heat exchanger is adjusted by the assembled arrangement of different equal discharge orifices, make it to reach unanimity, reach the object of uniform distribution of temperature field.
As can be seen here, the key solving the uneven problem of advectional heat exchanger thermo parameters method is exactly the design of homogenizing plate in heat exchanger, and in currently available technology when realizing this process, the mode adopted makes the heat exchanger exemplar with different homogenizing plate pattern, and by doing a large amount of performance tests, and then find the wherein the most uniform heat exchanger of thermo parameters method.
This deficiency of dealing with problems by carrying out making exemplar method is, need to make a large amount of test exemplars, product development cycle is long, cost is high, and cannot the resistance distribution situation of heat exchanger inside test, the specification pattern of made exemplar can only be the personal experience by technical staff, and the product design produced has suitable inaccuracy.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.
For this reason, first object of the present invention is to propose a kind of Orifice-plate design frock.
Second object of the present invention is to propose a kind of Orifice-plate design method according to above-mentioned Orifice-plate design frock.
3rd object of the present invention is to propose a kind of homogenizing plate obtained by above-mentioned Orifice-plate design frock and Orifice-plate design method design.
4th object of the present invention is to propose a kind of header design frock, and this header design frock has above-mentioned Orifice-plate design frock.
5th object of the present invention is that proposing one obtains header by above-mentioned header design Fixture Design.
6th object of the present invention is to propose a kind of design of heat exchanger frock with above-mentioned header design frock.
7th object of the present invention is to propose a kind of heat exchanger obtained by above-mentioned design of heat exchanger Fixture Design.
The Orifice-plate design frock of embodiment, comprising: installing plate according to a first aspect of the present invention, described installing plate has multiple isolated construction opening; Multiple current-sharing block, each described current-sharing block is provided with equal discharge orifice and detect aperture, and the quantity of described current-sharing block is more than or equal to the quantity of described construction opening, is alternatively mounted on described construction opening at least partially respectively in described multiple current-sharing block; And multiple checkout gear, described multiple checkout gear respectively be mounted on described installing plate described at least partially the detect aperture of current-sharing block be connected to detect the fluid pressure on each current-sharing block.
According to the Orifice-plate design frock of the embodiment of the present invention, by being all connected with checkout gear on each current-sharing block, thus multiple checkout gear can be utilized to measure fluid pressure on each current-sharing block respectively, according to the fluid pressure on each current-sharing block, current-sharing block on installing plate is adjusted, replacement etc. to be to make the fluid pressure on each current-sharing block more reach unanimity, complete the final design of homogenizing plate, the design of final determined product can be made so more accurate, more even to the distribution of the cold-producing medium in actual condition.
And by arranging the multiple current-sharing block and an installing plate that can replace installation, thus a design frock can be utilized to realize the homogenizing plate model of plurality of specifications, realize the modularization of Orifice-plate design, reduce R & D design cost (avoiding designing too much experiment exemplar), improve R & D design efficiency.
To sum up, by utilizing the product accuracy designed by the Orifice-plate design frock of the embodiment of the present invention high, can modularized design be realized, reducing R & D design cost, improve R & D design efficiency.
The Orifice-plate design frock of embodiment also can comprise following technical characteristic according to a first aspect of the present invention:
According to one embodiment of present invention, described multiple construction opening distributes equably on the length direction of described installing plate.Thus, can form the equally distributed homogenizing plate of equal discharge orifice, equally spaced so equal discharge orifice can promote the uniformity that homogenizing plate distributes cold-producing medium further.
According to one embodiment of present invention, the shape of described construction opening is circular, oval or polygon.The homogenizing plate with multi-form structure can be designed thus.
According to one embodiment of present invention, described installing plate inside has many first flows, the first end of described many first flows is located on the inwall of described multiple construction opening respectively, on the left surface that second end of described many first flows is located at described installing plate or right flank, each described current-sharing block inside has the second runner, the first end of described second runner is communicated with described detect aperture and the second end is located on the side surface of described current-sharing block, and after described current-sharing block is mounted to described construction opening, its second runner is communicated with corresponding described first flow.Checkout gear can be made thus to be located at left surface or the right flank place of installing plate, to make the syndeton of checkout gear more simple, easily realize.
According to one embodiment of present invention, the cross section of described construction opening is formed as isosceles trapezoid.Current-sharing block installation stability on a mounting board can be ensured thus.
According to one embodiment of present invention, the base angle of described isosceles trapezoid is 60 °.The shape of construction opening and current-sharing block can be made thus more to have versatility, convenient manufacture.
According to one embodiment of present invention, the described equal discharge orifice on each described current-sharing block is one or more.
According to one embodiment of present invention, the equal discharge orifice on described multiple current-sharing block comprises sizes specification, and wherein the equal discharge orifice of each described current-sharing block is the equal discharge orifice of wherein a kind of dimensions.
According to one embodiment of present invention, have on the current-sharing block of multiple equal discharge orifice, the equal and opposite in direction of described equal discharge orifice.
According to one embodiment of present invention, described checkout gear is pressure detector.Pressure detector can be utilized thus directly can to carry out the detection of force value.
The Orifice-plate design method of the Orifice-plate design frock of the embodiment according to a first aspect of the present invention of embodiment, comprises the steps: according to a second aspect of the present invention
A, general at least partially current-sharing block be mounted on described multiple construction opening, and be connected with multiple checkout gear respectively;
B, the fluid pressure P1 to Pn detected on each described current-sharing block;
C, the force value detected is input in display unit shows in step b;
D, the force value detected is input to calculation element and calculates the average value P x of P1 to Pn in step b, and each value in P1 to Pn and Px are compared;
E, will to exceed in P1 to Pn or current-sharing block lower than Px predetermined percentage is pulled down, and reinstall another current-sharing block, and be connected with corresponding checkout gear, get back to step b;
F, treat P1 to Pn all within Px predetermined percentage scope, determine that homogenizing plate is final design.
By adopting the Orifice-plate design method according to the embodiment of the present invention, thus the design of homogenizing plate can be carried out more simply and easily, the design of final determined product can be made more accurate, and reduce R & D design cost.
The homogenizing plate of embodiment according to a third aspect of the present invention, this homogenizing plate is by the Orifice-plate design frock of embodiment and the Orifice-plate design method design of second aspect present invention embodiment obtain according to a first aspect of the present invention.
Because this Orifice-plate design frock and this Orifice-plate design method can make the design of final determined product more accurate, and reduce R & D design cost, there is design more accurately, more simply, conveniently according to the homogenizing plate of the embodiment of the present invention, the advantages such as low cost of manufacture.
The header design frock of embodiment according to a fourth aspect of the present invention, comprising: body, the tube wall of described body is provided with flat tube slot; Two end caps, described two end caps are located at the two ends of described body respectively and described end cap is provided with jack; And the Orifice-plate design frock of embodiment according to a first aspect of the present invention, described Orifice-plate design frock is located in described body and the two ends of described installing plate and is located on described jack so that the inner chamber of described body is separated into distribution cavity and collection chamber.
According to the header design frock of the embodiment of the present invention, by arranging jack on two end caps, thus the two ends of installing plate can pass to facilitate and are connected with checkout gear from these two jacks, and by arranging this jack, thus when testing, Orifice-plate design frock can be inserted by these two jacks or extracted body, facilitate designer to replace fast the current-sharing block in Orifice-plate design frock, facilitate design work.
The header of embodiment according to a fifth aspect of the present invention, this header is obtained by the header design Fixture Design of embodiment according to a fourth aspect of the present invention.
Because header design frock can design more easily, therefore, according to the header of the embodiment of the present invention, there is design more simple, convenient, the advantages such as low cost of manufacture.
The design of heat exchanger frock of embodiment according to a sixth aspect of the present invention, comprising: the first header and the second header, and at least one in described first header and described second header is the header design frock of embodiment according to a fourth aspect of the present invention; Multiple flat tube, described multiple flat tube is located between described first and second headers, the first end of each described flat tube is connected with described first header, and the second end of each described flat tube is connected with described second header, and the distribution cavity of at least one header wherein said is communicated with described flat tube.
According to the design of heat exchanger frock of the embodiment of the present invention, by arranging above-mentioned Orifice-plate design frock, thus can carry out the design of heat exchanger more easily, design cost is low, and design is more accurate.
The heat exchanger of embodiment according to a seventh aspect of the present invention, this heat exchanger is obtained by the design of heat exchanger Fixture Design of embodiment according to a sixth aspect of the present invention.
By the heat exchanger gone out designed by this design of heat exchanger frock, there is cost low, the advantages such as product design is more accurate.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the Orifice-plate design frock of embodiment according to a first aspect of the present invention;
Fig. 2 is the structural representation of the installing plate in the Orifice-plate design frock of embodiment according to a first aspect of the present invention;
Fig. 3 is the sectional view along A-A line in Fig. 2;
Fig. 4 is the enlarged drawing in B region in Fig. 3;
Fig. 5 is the schematic diagram in C direction in Fig. 2;
Fig. 6 a and Fig. 6 b is an embodiment front view and the upward view of current-sharing block in the Orifice-plate design frock of embodiment according to a first aspect of the present invention respectively;
Fig. 7 a and Fig. 7 b is another embodiment front view and the upward view of the current-sharing block in the Orifice-plate design frock of embodiment according to a first aspect of the present invention respectively;
Fig. 8 is the structural representation of the header design frock of embodiment according to a fourth aspect of the present invention;
Fig. 9 is that in figure, D direction is schematic diagram;
Figure 10 is the structural representation of the end cap in the header design frock of embodiment according to a fourth aspect of the present invention;
Figure 11 is the structural representation of the design of heat exchanger frock of an embodiment according to the present invention six aspect;
Figure 12 is the structural representation of the design of heat exchanger frock of another embodiment according to the present invention six aspect;
Figure 13 is the Orifice-plate design method flow diagram of embodiment according to a second aspect of the present invention.
Description of reference numerals
Orifice-plate design frock 1;
Installing plate 11; Construction opening 111; The inwall 1111 of construction opening 111;
First flow 112; First end 1121; Second end 1122; Base angle is 113;
Left surface 114; Right flank 115;
Current-sharing block 12; Equal discharge orifice 121; Detect aperture 122; Second runner 123;
First end 1231; Second end 1232; Base angle 124;
Checkout gear 13;
Header design frock 2;
Body 21; Flat tube slot 211; Distribution cavity 212; Collection chamber 213.
End cap 22; Jack 221;
Design of heat exchanger frock 3;
First header 31; Second header 32;
Flat tube 33; First end 331; Second end 332.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term "left", "right" " interior ", " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the frock of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
First it should be noted that, in parallel flow heat exchanger, homogenizing plate can be located in the header of heat exchanger, for distributing cold-producing medium, more even to make the cold-producing medium flowed in each flat tube 33 distribute, and then the distributing homogeneity in the temperature field of raising heat exchanger.Can be used for designing homogenizing plate, header and heat exchanger according to the Orifice-plate design frock 1 that the embodiment of the present invention proposes, particularly, this Orifice-plate design frock 1 may be used in the header design frock 2 for designing header, and this header design frock 2 may be used on again for designing in the design of heat exchanger frock 3 of heat exchanger.Wherein header design frock 2, design of heat exchanger frock 3 specifically describe in the content below.
First the Orifice-plate design frock 1 of embodiment is according to a first aspect of the present invention described with reference to figure 1-Fig. 7 b below.As shown in Figure 1, according to the Orifice-plate design frock 1 of the embodiment of the present invention, comprise installing plate 11, multiple current-sharing block 12 and multiple checkout gear 13.
As shown in Figure 1-Figure 3, installing plate 11 has multiple isolated construction opening 111, in order to install current-sharing block 12.On the front view of installing plate 11, the shape of construction opening 111 can be circular, oval or polygon, can design the homogenizing plate with multi-form structure thus, and in such as, example shown in Fig. 2, the shape of construction opening 111 is square.The shape of current-sharing block 12 and the shape adaptation of construction opening 111, with after current-sharing block 12 is installed to construction opening 111, the sidewall of current-sharing block 12 surrounding contacts with the inwall 1111 of construction opening 111, when avoiding this current-sharing block 12 to be applied to design of heat exchanger frock 3, cold-producing medium, from the interstitial via hole between current-sharing block 12 and construction opening 111, affects the design precision of heat exchanger.It is a preferred embodiment that certain sidewall of current-sharing block 12 surrounding mentioned here contacts with the inwall 1111 of construction opening 111, in actual design work, allow to there is small gap between the sidewall of current-sharing block 12 surrounding and the inwall 1111 of construction opening 111, control in allowed limits to make the design error of heat exchanger.
As shown in Fig. 6 a-Fig. 7 b, each current-sharing block 12 is provided with equal discharge orifice 121 and detect aperture 122, equal discharge orifice 121 is through by it along the thickness direction of current-sharing block 12, detect aperture 122, for being connected with checkout gear 13, detects to make checkout gear 13 fluid pressure obtaining cold-producing medium on each current-sharing block 12.
Here it should be noted that, when Orifice-plate design frock 1 to be located in design of heat exchanger frock 3 and to carry out actual design experiment, as is illustrated by figs. 11 and 12, time in the refrigerant flow direction Orifice-plate design frock 1 of header design frock 2 inside, can produce fluid pressure to it, this pressure is detected by the checkout gear 13 be located on each current-sharing block 12.
In Orifice-plate design frock 1 in the present invention, the quantity of current-sharing block 12 can be more than or equal to the quantity of construction opening 111, wherein, alternatively be mounted on construction opening 111 at least partially respectively in multiple current-sharing block 12, that is, each construction opening 111 is all provided with a current-sharing block 12, and each current-sharing block 12 be installed on installing plate 11 can be dismantled and can replace to other other current-sharing blocks 12 from the construction opening 111 of correspondence, further, be installed between each current-sharing block 12 on installing plate 11 and can have carried out transposition as required, also the current-sharing block 12 be installed on installing plate 11 can be disassembled, replace to other and be not installed to current-sharing block 12 on this installing plate 11.Multiple checkout gear 13 is connected with the detect aperture 122 of the multiple current-sharing blocks 12 be mounted on installing plate 11 respectively, and namely a checkout gear 13 is connected with the detect aperture 122 of a current-sharing block 12.
Wherein, multiple homogenizing plate can have different specifications, namely the equal discharge orifice 121 on each homogenizing plate can have different specifications, specifically, be installed to the equal discharge orifice 121 of each homogenizing plate on installing plate 11 specification can part identical, can each be all identical yet, the different embodiments of wherein concrete homogenizing plate will be discussed in more detail below.
Be understandable that, for the current-sharing block 12 with the equal discharge orifice 121 of different size, cold-producing medium is different to the pressure that it produces, such as on the current-sharing block 12 of same area, comparatively speaking, if all the percentage of the area that current-sharing block 12 is whole shared by discharge orifice 121 is large, the pressure produced when cold-producing medium impacts on this current-sharing block 12 is little, if all shared by discharge orifice 121, the percentage of the area that current-sharing block 12 is whole is little, the pressure produced when cold-producing medium impacts on this current-sharing block 12 is large.
According to the Orifice-plate design frock 1 of the embodiment of the present invention, by being all connected with checkout gear 13 on each current-sharing block 12, thus multiple checkout gear 13 can be utilized to measure fluid pressure on each current-sharing block 12 respectively, according to the fluid pressure on each current-sharing block 12, current-sharing block 12 on installing plate 11 is adjusted, replacement etc. to be to make the fluid pressure on each current-sharing block 12 more reach unanimity, complete the final design of homogenizing plate, the design of final determined product can be made so more accurate, more even to the distribution of the cold-producing medium in actual condition.Wherein, the specific design method for homogenizing plate will be described in detail below.
And by arranging the multiple current-sharing blocks 12 can replacing installation, thus a design frock can be utilized to be configured to the homogenizing plate model of plurality of specifications, realize the modularization of Orifice-plate design, reduce R & D design cost (avoiding designing too much experiment exemplar), improve R & D design efficiency.
Referring to Fig. 6 a-Fig. 7 b, the specific embodiment according to the current-sharing block 12 in the Orifice-plate design frock 1 of the embodiment of the present invention is described.
A specific embodiment as shown in Figure 6 a, equal discharge orifice 121 on each current-sharing block 12 can be one, in multiple current-sharing block 12, the dimensions of the equal discharge orifice 121 of each current-sharing block 12 can comprise multiple, that is, equal discharge orifice 121 on multiple current-sharing block 12 comprises sizes specification, and wherein the equal discharge orifice 121 of each current-sharing block 12 is that equal discharge orifice 121(current-sharing block 12 of wherein a kind of dimensions is provided with an equal discharge orifice 121).Example such as shown in Fig. 6, this equal discharge orifice 121 is circular, and in multiple current-sharing block 12, the diameter of equal discharge orifice 121 can be of different sizes.
Another specific embodiment as shown in Figure 7a, equal discharge orifice 121 on each current-sharing block 12 also can be multiple, on the current-sharing block 12 with multiple equal discharge orifice 121, the equal and opposite in direction of equal discharge orifice 121, that is, such as shown in Fig. 7 a, this current-sharing block 12 is provided with three equal discharge orifices 121, and the diameter of these three equal discharge orifices 121 can be equal.Certainly, described " equal and opposite in direction " refers to size approximately equal, and the size of each equal discharge orifice 121 can have certain difference, and this difference can be because the error of actual production manufacture causes.
In examples more of the present invention, multiple construction opening 111 distributes equably on the length direction of installing plate 11.Thus, can form the equally distributed homogenizing plate of equal discharge orifice 121, such as, shown in Fig. 1, equally spaced so equal discharge orifice 121 can promote the uniformity that homogenizing plate distributes cold-producing medium further.
In preferred embodiments more of the present invention, the cross section of construction opening 111 is formed as isosceles trapezoid, particularly, as shown in Figure 3 and Figure 4, at installing plate 11 along on the cross section of its thickness direction, this construction opening 111 is formed as isosceles trapezoid, correspondingly, each current-sharing block 12 is along on the cross section of its thickness direction, also the isosceles trapezoid matched with construction opening 111 is formed as, as shown in Fig. 6 b and Fig. 7 b, thus, as is illustrated by figs. 11 and 12, when Orifice-plate design frock 1 is arranged on design of heat exchanger frock 3 and tests, going to the bottom of this isosceles trapezoid can be made to flow to direction (shown in figure arrow E) towards cold-producing medium, like this when cold-producing medium impacts on current-sharing block 12, installing plate 11 can not be collided out, namely the installation stability of current-sharing block 12 on installing plate 11 can be ensured thus.Be understandable that, the go to the bottom plane at place of this isosceles trapezoid is the first type surface of current-sharing block 12, is also the surface that in current-sharing block 12, area is maximum.
In a concrete example of the present invention, as shown in Figure 4, the base angle 113 of the isosceles trapezoid of construction opening 111 is 60 °, in this correspondingly, as shown in Fig. 6 b and Fig. 7 b, the base angle 124 of the isosceles trapezoid on current-sharing block 12 cross section is also 60 °, and the shape of construction opening 111 and current-sharing block 12 can be made thus to have versatility, convenient manufacture.
In some embodiments of the invention, checkout gear 13 can be pressure detector, and particularly, this pressure detector can be pressure sensor, utilizes pressure detector directly can carry out the detection of force value like this.Certain the present invention is not limited to this; after those skilled in the art have read open text of the present invention; other checkout gears can also be utilized to detect, and the data detected by other checkout gears can be carried out convert to obtain fluid pressure value, this is all in protection scope of the present invention.
A specific embodiment being connected with the detect aperture 122 on current-sharing block 12 of checkout gear 13 will be described below.
As shown in Figure 2, installing plate 11 can be have certain thickness tabular, particularly, this thickness can be grade, installing plate 11 inside has many first flows 112, the first end 1121 of many first flows 112 is located on the inwall 1111 of multiple construction opening 111 respectively, namely the first end 1121 of a runner is located on the inwall 1111 of a construction opening 111, and run through the inwall 1111 of this construction opening 111, on the left surface 114 that second end 1122 of many first flows 112 is located at installing plate 11 or right flank 115, and run through left surface 114 or right flank 115, this first flow 112 is be communicated with between first end 1121 and the second end 1122, such as shown in Fig. 2, shown in arrow wherein in left and right directions such as figure.
As shown in Fig. 6 a-Fig. 7 b, each current-sharing block 12 inside has the second runner 123, the first end 1231 of the second runner 123 is communicated with detect aperture 122, wherein, this detect aperture 122 is located on the first type surface of current-sharing block 12, second end 1232 of the second runner 123 is located on the side surface of current-sharing block 12, and after current-sharing block 12 is mounted to construction opening 111, its second runner 123 is communicated with corresponding first flow 112.Specifically, " side surface " is namely around the surface that first type surface surrounding is arranged, the first end 1231 of the second runner 123 runs through first type surface, and the second end 1232 of the second runner 123 runs through side surface, and is be communicated with between the first end 1231 of the second runner 123 and the second end 1232.After current-sharing block 12 is mounted to the construction opening 111 of installing plate 11, the second runner 123 is communicated with corresponding first flow 112.
Specifically, as is illustrated by figs. 11 and 12, when Orifice-plate design frock 1 being arranged in design of heat exchanger frock 3 and test, because first type surface flows to direction towards cold-producing medium, thus, as Fig. 2, shown in Fig. 6 a-Fig. 7 b, part of refrigerant liquid can flow into the second runner 123 from this detect aperture 122, and then flow in first flow 112, finally flow to the second end 1122 of first flow 112, the i.e. left surface 114 of installing plate 11 or right flank 115 place, as shown in Figure 2, checkout gear 13 can be connected to the second end 1122 place of first flow 112, particularly, checkout gear 13 can by detecting the fluid pressure of cold-producing medium at the second end 1122 place of first flow 112, and then the fluid pressure at detect aperture 122 place be positioned on homogenizing plate can be drawn.That is, checkout gear 13 can be located at left surface 114 or right flank 115 place of installing plate 11, make the syndeton of checkout gear 13 more simple, easily realize.
Describe the Orifice-plate design method of embodiment according to a second aspect of the present invention referring to Figure 13, this method for designing has been come by utilizing the Orifice-plate design frock 1 of embodiment according to a first aspect of the present invention, and wherein square method for designing comprises the steps:
A, general at least partially current-sharing block 12 be mounted on multiple construction opening 111, and be connected with multiple checkout gear 13 respectively, namely complete the assembling of Orifice-plate design frock 1.
B, the fluid pressure P1 to Pn detected on each current-sharing block 12, namely detect the fluid pressure on each current-sharing block 12 by checkout gear 13, wherein the fluid pressure of each current-sharing block 12 is P1, P2, P3 respectively ... Pn.
C, the force value detected is input in display unit shows, by above-mentioned P1, P2, P3 in step b ... Pn all shows.
D, the force value detected is input to calculation element (scheming not shown) and calculates the average value P x of P1 to Pn in step b, and each value in P1 to Pn and Px are compared, specifically, force value detected by checkout gear 13, can pass through data acquisition unit (scheming not shown) and be input in this calculation element and calculate.Wherein, step c and steps d can be carried out simultaneously.
E, will to exceed in P1 to Pn or current-sharing block 12 lower than Px predetermined percentage is pulled down, and reinstall another current-sharing block 12, and be connected with corresponding checkout gear 13, get back to step b.Wherein " calculation element " can be computer, and in this calculation element, can calculation procedure be set, this calculation procedure can have analytic function, the each point made lower than or exceed more than pressure mean values predetermined percentage (such as 10%) highlights out, and according to preset assembled scheme, list change suggestion, facilitate technical staff judge fast and change.Further, pressure value P 1 to Pn can also show in the mode such as curve, block diagram by this calculation procedure, makes technical staff can observe the pressure changing of each pressure-measuring-point very intuitively.
F, treat P1 to Pn all within Px predetermined percentage scope, determine that homogenizing plate is final design.In other words, after P1 to Pn is all within Px predetermined percentage scope, in this case Orifice-plate design frock 1 is the template of final design, and designer can carry out Design and manufacture according to the template of this final design, becomes final required homogenizing plate.
By adopting the Orifice-plate design method according to the embodiment of the present invention, thus the design of homogenizing plate can be carried out more simply and easily, the design of final determined product can be made more accurate, and reduce R & D design cost.
The homogenizing plate of embodiment according to a third aspect of the invention we, its Orifice-plate design frock 1 by embodiment according to a first aspect of the present invention and obtaining according to the Orifice-plate design method design of the present invention second inventive embodiments.Because this Orifice-plate design frock 1 and this Orifice-plate design method can make the design of final determined product more accurate, and reduce R & D design cost, thus there is design more accurately, more simply, conveniently according to the homogenizing plate of the embodiment of the present invention, the advantages such as low cost of manufacture.
The header design frock 2 of embodiment is according to a forth aspect of the invention described below with reference to Fig. 8-Figure 10.As Figure 8-Figure 10, this header design frock 2 comprises the Orifice-plate design frock 1 of body 21, two end caps 22 and embodiment according to a first aspect of the present invention.
As shown in Figure 8 and Figure 9, the tube wall of body 21 is provided with flat tube slot 211, flat tube slot 211 can be used for the flat tube 33 in design of heat exchanger frock 3 to insert (such as shown in Figure 11 and Figure 12), two end caps 22 are located at the two ends of body 21 respectively to carry out shutoff to the inner chamber in body 21, and end cap 22 is provided with jack 221.Wherein, Orifice-plate design frock 1 is located in the body 21 and two ends of the installing plate 11 of Orifice-plate design frock 1 and is located on jack 221 so that the inner chamber of body 21 is separated into distribution cavity 212 and collection chamber 213.
According to the header design frock 2 of the embodiment of the present invention, by arranging jack 221 on two end caps 22, thus the two ends of the installing plate 11 of Orifice-plate design frock 1 can pass to facilitate and are connected with checkout gear 13 from these two jacks 221, and by arranging this jack 221, thus when testing, body 21 can be inserted or extracted to Orifice-plate design frock 1 by these two jacks 221, facilitate designer to replace fast the current-sharing block 12 in Orifice-plate design frock 1, facilitate design work.
The header of embodiment according to a fifth aspect of the present invention, obtained by the design of above-mentioned header design frock 2, because header design frock 2 can design more easily, therefore, according to the header of the embodiment of the present invention, there is design more simple, convenient, the advantages such as low cost of manufacture.
Below with reference to Figure 11 and Figure 12, the design of heat exchanger frock 3 of embodiment is according to a sixth aspect of the present invention described.As is illustrated by figs. 11 and 12, the first header 31, second header 32 and multiple flat tube 33 is comprised according to the design of heat exchanger frock 3 of the embodiment of the present invention.
Wherein, multiple flat tube 33 is located between the first header 31 and the second header 32, the first end 331 of each flat tube 33 is connected with the first header 31, second end 332 of each flat tube 33 is connected with the second header 32, and at least one in the first header 31 and the second header 32 is header design frock 2 according to a fifth embodiment of the present invention.
In a concrete example such as shown in Figure 11, the first header 31 designs frock 2 for header, and the distribution cavity 212 in this header design frock 2 is communicated with flat tube 33.After design of heat exchanger frock 3 is assembled, its inside is passed into cold-producing medium, and makes cold-producing medium be in flow regime, as the arrow in Figure 11 and Figure 12 shows the flow direction of cold-producing medium.Cold-producing medium in first header 31, by being located at the equal discharge orifice 121 in Orifice-plate design frock 1 wherein, flows to distribution cavity 212, then flows to flat tube 33, ensures that the cold-producing medium flowed in each flat tube 33 distributes more even with this.
Another concrete example such as shown in Figure 12, this header design frock 2 has two row's structures, namely flat tube 33 has two rows, header has four, and the first header 31 comprises two, second header 32 comprises two, and the collection chamber 213 of the first header 31 being positioned at left side can be communicated with the second header 32 on the left of this.The different types of heat exchanger adapting to actual concrete needs can be produced thus.
According to the design of heat exchanger frock 3 of the embodiment of the present invention, by arranging above-mentioned Orifice-plate design frock 1, thus can carry out the design of heat exchanger more easily, design cost is low, and design is more accurate.
The heat exchanger of embodiment according to a seventh aspect of the present invention, its design of heat exchanger frock 3 design passing through embodiment according to a sixth aspect of the present invention obtains.By the heat exchanger gone out designed by this design of heat exchanger frock 3, there is cost low, the advantages such as product design is more accurate.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (13)
1. an Orifice-plate design frock, is characterized in that, comprising:
Installing plate, described installing plate has multiple isolated construction opening;
Multiple current-sharing block, each described current-sharing block is provided with equal discharge orifice and detect aperture, and the quantity of described current-sharing block is more than or equal to the quantity of described construction opening, is alternatively mounted on described construction opening at least partially respectively in described multiple current-sharing block; And
Multiple checkout gear, described multiple checkout gear respectively be mounted on described installing plate described at least partially the detect aperture of current-sharing block be connected to detect the fluid pressure on each current-sharing block.
2. Orifice-plate design frock according to claim 1, is characterized in that, described multiple construction opening distributes equably on the length direction of described installing plate.
3. Orifice-plate design frock according to claim 2, is characterized in that, the shape of described construction opening is circular, oval or polygon.
4. Orifice-plate design frock according to claim 1, is characterized in that,
Described installing plate inside has many first flows, and the first end of described many first flows is located on the inwall of described multiple construction opening respectively, on the left surface that the second end of described many first flows is located at described installing plate or right flank,
Each described current-sharing block inside has the second runner, the first end of described second runner is communicated with described detect aperture and the second end is located on the side surface of described current-sharing block, and after described current-sharing block is mounted to described construction opening, its second runner is communicated with corresponding described first flow.
5. Orifice-plate design frock according to claim 1, is characterized in that, the cross section along described installing plate thickness direction of described construction opening is formed as isosceles trapezoid.
6. Orifice-plate design frock according to claim 5, is characterized in that, the base angle of described isosceles trapezoid is 60 °.
7. Orifice-plate design frock according to claim 1, is characterized in that, the described equal discharge orifice on each described current-sharing block is one or more.
8. Orifice-plate design frock according to claim 7, is characterized in that, the equal discharge orifice on described multiple current-sharing block comprises sizes specification, and wherein the equal discharge orifice of each described current-sharing block is the equal discharge orifice of wherein a kind of dimensions.
9. Orifice-plate design frock according to claim 8, is characterized in that, has on the current-sharing block of multiple equal discharge orifice, the equal and opposite in direction of described equal discharge orifice.
10. the Orifice-plate design frock according to any one of claim 1-9, is characterized in that, described checkout gear is pressure detector.
The Orifice-plate design method of 11. 1 kinds of Orifice-plate design frocks according to any one of claim 1-10, is characterized in that, comprise the steps:
A, general at least partially current-sharing block be mounted on described multiple construction opening, and be connected with multiple checkout gear respectively;
B, the fluid pressure P1 to Pn detected on each described current-sharing block;
C, the force value detected is input in display unit shows in step b;
D, the force value detected is input to calculation element and calculates the average value P x of P1 to Pn in step b, and each value in P1 to Pn and Px are compared;
E, will to exceed in P1 to Pn or current-sharing block lower than Px predetermined percentage is pulled down, and reinstall another current-sharing block, and be connected with corresponding checkout gear, get back to step b;
F, treat P1 to Pn all within Px predetermined percentage scope, determine that homogenizing plate is final design.
12. 1 kinds of header design frocks, is characterized in that, comprising:
Body, the tube wall of described body is provided with flat tube slot;
Two end caps, described two end caps are located at the two ends of described body respectively and described end cap is provided with jack; And
Orifice-plate design frock according to any one of claim 1-10, described Orifice-plate design frock is located in described body and the two ends of described installing plate and is located on described jack so that the inner chamber of described body is separated into distribution cavity and collection chamber.
13. 1 kinds of design of heat exchanger frocks, is characterized in that, comprising:
First header and the second header, at least one in described first header and described second header is header according to claim 12 design frock;
Multiple flat tube, described multiple flat tube is located between described first and second headers, the first end of each described flat tube is connected with described first header, and the second end of each described flat tube is connected with described second header, and the distribution cavity of at least one header wherein said is communicated with described flat tube.
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| CN201310214905.4A CN103245250B (en) | 2013-05-31 | 2013-05-31 | Flow equalization plate, header pipe, heat exchanger, design tools of flow equalization plate, header pipe and heat exchanger, and design method of flow equalization plate |
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| CN201310214905.4A CN103245250B (en) | 2013-05-31 | 2013-05-31 | Flow equalization plate, header pipe, heat exchanger, design tools of flow equalization plate, header pipe and heat exchanger, and design method of flow equalization plate |
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| CN111295078B (en) * | 2019-12-20 | 2021-12-03 | 杭州中豪电动科技有限公司 | Motor control system cooling water route reposition of redundant personnel structure |
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| CN1849495A (en) * | 2003-08-01 | 2006-10-18 | 昭和电工株式会社 | Heat exchanger |
| CN102410672A (en) * | 2011-10-19 | 2012-04-11 | 广东美的制冷设备有限公司 | Parallel flow heat exchanger and manufacture method thereof |
| JP2012247132A (en) * | 2011-05-27 | 2012-12-13 | Yutaka Giken Co Ltd | Heat recovery device |
| CN202793152U (en) * | 2012-08-03 | 2013-03-13 | 苏州必信空调有限公司 | Fluid dispensing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5002797B2 (en) * | 2007-03-16 | 2012-08-15 | 株式会社ケーヒン・サーマル・テクノロジー | Heat exchanger |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1849495A (en) * | 2003-08-01 | 2006-10-18 | 昭和电工株式会社 | Heat exchanger |
| JP2012247132A (en) * | 2011-05-27 | 2012-12-13 | Yutaka Giken Co Ltd | Heat recovery device |
| CN102410672A (en) * | 2011-10-19 | 2012-04-11 | 广东美的制冷设备有限公司 | Parallel flow heat exchanger and manufacture method thereof |
| CN202793152U (en) * | 2012-08-03 | 2013-03-13 | 苏州必信空调有限公司 | Fluid dispensing device |
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