CN104121197A - Scroll plate - Google Patents

Scroll plate Download PDF

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Publication number
CN104121197A
CN104121197A CN201310644795.5A CN201310644795A CN104121197A CN 104121197 A CN104121197 A CN 104121197A CN 201310644795 A CN201310644795 A CN 201310644795A CN 104121197 A CN104121197 A CN 104121197A
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involute
millimeter
circular arc
millimeters
angle
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CN104121197B (en
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杨贵德
潘煜
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LIUZHOU YIZHOU AUTOMOTIVE AIR CONDITIONING CO Ltd
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LIUZHOU YIZHOU AUTOMOTIVE AIR CONDITIONING CO Ltd
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Abstract

The invention discloses a scroll plate, relating to the technical field of manufacturing of scroll compressors. The scroll plate is characterized in that a central starting end of the scroll plate is provided with a starting circular arc; the outer wall of the scroll plate is provided with an outer compound curve which is tangent to the outer end point of the starting circular arc at the central starting end of the scroll plate and extends outwards; the inner wall of the scroll plate is provided with an inner compound curve which is tangent to the inner end point of the starting circular arc at the center of the scroll plate and extends outwards. Compared with the prior art, the scroll plate has the advantages that the problems of an existing scroll plate that the leakage amount is great and the heating temperature is high are solved.

Description

Scroll
Technical field
The present invention relates to scroll compressor manufacturing technology field, especially a kind of scroll for scroll compressor.
Background technique
The core component of scroll compressor is scroll, and scroll is provided with the curved surface being connected into by involute and forms the vortex ring of sidewall; The working principle of scroll compressor is exactly intermeshing by two dynamic and static whirlpool dishes with vortex ring, forms the crescent shape cavity volume of at least one pair of, realizes the suction-compression of fluid or the process that expands-discharge; Therefore the accuracy of manufacturing of scroll scroll molded line directly has influence on the service behaviour of scroll compressor.Have a kind of scroll, the molded line of this scroll is the involute profile being made up of an analytic curve, and because involute profile is to be made up of an analytic curve, the cross section of the vortex ring that forms is uniform section; There are the following problems in utilization process for this scroll with uniform section vortex ring: 1, in the time that needs design the scroll compressor of large gas discharge capacity or pressure ratio, only have the number of turns by increasing molded line to solve, at this moment the leakage contour of compressor increases, and can cause working efficiency to reduce; 2, the number of turns of molded line increases, can be because gas overstand and cause that scroll entirety heating temperature is too high, complete machine external dimension strengthen in cavity; 3, the increasing of the number of turns of molded line also can cause profile processing difficulty.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of scroll of the variable cross section wall thickness cavity volume being made up of compound curve, and this scroll can solve existing scroll leakage rate greatly and the high problem of heating temperature.
The technological scheme that technical solution problem of the present invention adopts is: this all scroll, scroll center top is initial circular arc, and scroll outer wall is described initial circular arc outer the end points tangent and outward extending outer compound curve initial with described scroll center; Scroll inwall be with the described initial circular arc at described scroll center in the tangent and outward extending interior compound curve of end points;
Described initial an arc equation is: (x-5.108) 2+ (y-7.819) 2=12.5 millimeters, described initial radius of arc is 3.5 millimeters;
Described outer compound curve is by the first involute of smooth connection successively, the first circular arc, and the second circular arc, the second involute, transition arc, the 3rd involute and three-arc form;
Described the first involute, the second involute, the equation of the 3rd involute is:
Wherein: described the first involute, the Base radius of the second involute and the 3rd involute is radius r i, r i=4.2176 millimeters;
The initial exhibition angle Wei Zhan angle α 1 of described the first involute, α 1=-40.7547 °, 1≤400.7547 ° of described the first involute involute exhibition φ 1:160.7547 °≤φ in Wei Zhan angle, angle;
The initial exhibition angle Wei Zhan angle α 2 of described the second involute, α 2=-40.7547 °, 2≤1339.5 ° of described the second involute involute exhibition φ 2:940.7547 °≤φ in Wei Zhan angle, angle;
The initial exhibition angle Wei Zhan angle α 3 of described the 3rd involute, α 3=-54.3396 °, 3≤1479.6457 ° of described the 3rd involute involute exhibition φ 3:1335.3651 °≤φ in Wei Zhan angle, angle;
Described the first an arc equation is: (x-4.2176) 2+ (y-17) 2=2162.25 millimeters, described the first radius of arc is 46.5 millimeters;
Described the second an arc equation is: (x+4.2176) 2+ (y-13.6877) 2=3087.169 millimeters; Described the second radius of arc is 55.5623 millimeters;
Described transition arc radius is 9 millimeters;
Described three-arc equation is: x 2+ y 2=11881 millimeters, described three-arc radius is 109 millimeters;
Described interior compound curve is by the straight line of smooth connection successively, the 4th circular arc, and the 4th involute, the 5th circular arc, the 6th circular arc and the 5th involute form;
The equation of described the 4th involute and described the 5th involute is:
Wherein: the Base radius of described the 4th involute and described the 5th involute is r o, r o=4.2176 millimeters;
The initial exhibition angle Wei Zhan angle α 4 of described the 4th involute, α 4=40.7574 °, 4≤499.2452 ° of described the 4th involute involute exhibition φ 4:252.2452 °≤φ in Wei Zhan angle, angle;
The initial exhibition angle Wei Zhan angle α 5 of described the 5th involute, α 5=40.7574 °, 5≤1435.2452 ° of described the 5th involute involute exhibition φ 5:1039.3651 °≤φ in Wei Zhan angle, angle;
Described the 4th an arc equation is: (x+5.5025) 2+ (y+6.9175) 2=116.64 millimeters; Described the 4th radius of arc is 10.8 millimeters;
Described the 5th an arc equation is: (x+4.2176) 2+ (y+17) 2=2889.0625 millimeters; Described the 5th radius of arc is 53.75 millimeters;
Described the 6th an arc equation is: (x-4.2176) 2+ (y+13.6877) 2=3945.3724 millimeters; Described the 6th radius of arc is 62.8122 millimeters;
Described straight line is the line of end points in the interior end points of described initial circular arc and described the 4th circular arc.
Described initial circular arc outer end point coordinates is: x=8.1391 millimeter, y=9.569 millimeter; The inner point coordinates of described initial circular arc is: x=5.2482 millimeter, y=4.322 millimeter;
The inner point coordinates of described the first circular arc is: x=4.2176 millimeter, y=-29.5 millimeter; Described the first circular arc outer end point coordinates is: x=47.5003 millimeter, y=33.9955 millimeter;
Described the second circular arc outer end point coordinates is: x=-4.2176 millimeter, y=69.25 millimeter;
The inner point coordinates of described three-arc is: x=-23.5478 millimeter, y=-106.426 millimeter; Described three-arc outer end point coordinates is: x=67.4228 millimeter, y=-85.649 millimeter;
The inner point coordinates of described the 4th circular arc is: x=-5.9351 millimeter, y=3.8737 millimeter; Described the 4th circular arc outer end point coordinates is: x=-15.444 millimeter, y=-11.1374 millimeter;
The inner point coordinates of described the 5th circular arc is: x=-4.2176 millimeter, y=36.75 millimeter; Described the 5th circular arc outer end point coordinates is: x=-54.2487 millimeter, y=-36.6454 millimeter;
Described the 6th circular arc outer end point coordinates is: x=4.2176 millimeter, y=-76.5 millimeter;
Described the second involute outer end point coordinates is: x=-65.0004 millimeter, 74.2636 millimeters of y=;
The inner point coordinates of described the 3rd involute is: x=-68.6703 millimeter, 72.4997 millimeters of y=;
Described the 5th involute outer end point coordinates is: x=65.5116 millimeter, y=-82.9935 millimeter.
Above-mentioned scroll technological scheme, can also be more specifically: described initial circular arc outer end point coordinates is: x=8.1391 millimeter, y=9.569 millimeter; The inner point coordinates of described initial circular arc is: x=5.2482 millimeter, y=4.322 millimeter;
The inner point coordinates of described the first circular arc is: x=4.2176 millimeter, y=-29.5 millimeter; Described the first circular arc outer end point coordinates is: x=47.5003 millimeter, y=33.9955 millimeter;
Described the second circular arc outer end point coordinates is: x=-4.2176 millimeter, y=69.25 millimeter;
The inner point coordinates of described three-arc is: x=-23.5478 millimeter, y=-106.426 millimeter; Described three-arc outer end point coordinates is: x=67.4228 millimeter, y=-85.649 millimeter;
The inner point coordinates of described the 4th circular arc is: x=-5.9351 millimeter, y=3.8737 millimeter; Described the 4th circular arc outer end point coordinates is: x=-15.444 millimeter, y=-11.1374 millimeter;
The inner point coordinates of described the 5th circular arc is: x=-4.2176 millimeter, y=36.75 millimeter; Described the 5th circular arc outer end point coordinates is: x=-54.2487 millimeter, y=-36.6454 millimeter;
Described the 6th circular arc outer end point coordinates is: x=4.2176 millimeter, y=-76.5 millimeter;
Described the second involute outer end point coordinates is: x=-65.0004 millimeter, 74.2636 millimeters of y=;
The inner point coordinates of described the 3rd involute is: x=-68.6703 millimeter, 72.4997 millimeters of y=;
Described the 5th involute outer end point coordinates is: x=65.5116 millimeter, y=-82.9935 millimeter.
Owing to having adopted technique scheme, the present invention compared with prior art, the beneficial effect having is: the Surface forming that adopts compound curve to form due to the inside and outside wall of scroll cavity volume, and inside and outside compound curve is connected and composed by many analytic curves and many involutes, the cavity volume sidewall forming is variable cross section; Therefore, cavity volume volume increases, and the scroll that is formed cavity volume by variable cross section wall thickness is during as the scroll use of the scroll compressor of large gas discharge capacity or pressure ratio, and comparable to form the number of turns of cavity volume by uniform section wall thickness few; The number of turns that has not only reduced cavity volume, has reduced leakage rate, has improved the thermodynamic status of inside cavity simultaneously, has reduced the heating temperature of scroll.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
The present embodiment adopts rectangular coordinate system to design computing;
The scroll center top that scroll as shown in Figure 1 comprises is initial circular arc AC, and scroll outer wall is initial circular arc AC outer the terminal A tangent and outward extending outer compound curve AR initial with scroll center; Scroll inwall be with the initial circular arc AC at scroll center in the tangent and outward extending interior compound curve CL of end points C;
Initial an arc equation is: (x-5.108) 2+ (y-7.819) 2=12.5 millimeters, initial radius of arc is 3.5 millimeters; The outer end points of initial circular arc AC Building A is designated as: x=8.1391 millimeter, y=9.569 millimeter; In initial circular arc AC, end points Building C is designated as: x=5.2482 millimeter, y=4.322 millimeter;
Outer compound curve is by the first involute AE of smooth connection successively, the first circular arc EF, and the second circular arc FG, the second involute GH, transition arc HP, the 3rd involute PQ and three-arc QR form;
The first involute AE, the second involute GH), the equation of the 3rd involute PQ is:
Wherein: the first involute AE, the Base radius of the second involute GH and the 3rd involute PQ is radius r i, r i=4.2176 millimeters;
The initial exhibition angle Wei Zhan angle α 1 of the first involute AE, α 1=-40.7547 °, the first 1≤400.7547 ° of involute AE involute exhibition φ 1:160.7547 °≤φ in Wei Zhan angle, angle;
The initial exhibition angle Wei Zhan angle α 2 of the second involute GH, α 2=-40.7547 °, the second 2≤1339.5 ° of involute GH involute exhibition φ 2:940.7547 °≤φ in Wei Zhan angle, angle; The outer end points of the second involute GH Building H is designated as: x=-65.0004 millimeter, 74.2636 millimeters of y=;
The initial exhibition angle Wei Zhan angle α 3 of the 3rd involute PQ, α 3=-54.3396 °, the 3rd 3≤1479.6457 ° of the involute PQ involute exhibition φ 3:1335.3651 °≤φ in Wei Zhan angle, angle; In the 3rd involute PQ, end points Building P is designated as: x=-68.6703 millimeter, 72.4997 millimeters of y=;
The first circular arc EF equation is: (x-4.2176) 2+ (y-17) 2=2162.25 millimeters, the first radius of arc is 46.5 millimeters; In the first circular arc EF, end points Building E is designated as: x=4.2176 millimeter, y=-29.5 millimeter; The outer end points of the first circular arc EF Building F is designated as: x=47.5003 millimeter, y=33.9955 millimeter;
The second circular arc FG equation is: (x+4.2176) 2+ (y-13.6877) 2=3087.169 millimeters; The second radius of arc is 55.5623 millimeters; The outer end points of the second circular arc FG Building G is designated as: x=-4.2176 millimeter, y=69.25 millimeter;
Transition arc HP radius is 9 millimeters;
Three-arc QR equation is: x 2+ y 2=11881 millimeters, three-arc QR radius is 109 millimeters; In three-arc QR, end points Building Q is designated as: x=-23.5478 millimeter, y=-106.426 millimeter; The outer end points of three-arc QR Building R is designated as: x=67.4228 millimeter, y=-85.649 millimeter;
Interior compound curve CL is by the straight line CD of smooth connection successively, the 4th circular arc DB, and the 4th involute BI, the 5th circular arc IJ, the 6th circular arc JK and the 5th involute KL form;
The equation of the 4th involute BI and the 5th involute KL is:
Wherein: the Base radius of the 4th involute BI and the 5th involute KL is r o, r o=4.2176 millimeters;
The initial exhibition angle Wei Zhan angle α 4 of the 4th involute BI, α 4=40.7574 °, the 4th 4≤499.2452 ° of the involute BI involute exhibition φ 4:252.2452 °≤φ in Wei Zhan angle, angle;
The initial exhibition angle Wei Zhan angle α 5 of the 5th involute KL, α 5=40.7574 °, the 5th 5≤1435.2452 ° of the involute KL involute exhibition φ 5:1039.3651 °≤φ in Wei Zhan angle, angle; The outer end points of the 5th involute KL Building L is designated as: x=65.5116 millimeter, y=-82.9935 millimeter;
The 4th circular arc DB equation is: (x+5.5025) 2+ (y+6.9175) 2=116.64 millimeters; The 4th radius of arc is 10.8 millimeters; In the 4th circular arc DB, end points Building D is designated as: x=-5.9351 millimeter, y=3.8737 millimeter; The outer end points of the 4th circular arc DB Building B is designated as: x=-15.444 millimeter, y=-11.1374 millimeter;
The 5th circular arc IJ equation is: (x+4.2176) 2+ (y+17) 2=2889.0625 millimeters; The 5th radius of arc is 53.75 millimeters; In the 5th circular arc IJ, end points Building I is designated as: x=-4.2176 millimeter, y=36.75 millimeter; The outer end points J coordinate of the 5th circular arc IJ is: x=-54.2487 millimeter, y=-36.6454 millimeter;
The 6th circular arc JK equation is: (x-4.2176) 2+ (y+13.6877) 2=3945.3724 millimeters; The 6th radius of arc is 62.8122 millimeters; The outer end points of the 6th circular arc Building K is designated as: x=4.2176 millimeter, y=-76.5 millimeter;
Straight line CD is the line of end points D in the interior end points C of initial circular arc AC and the 4th circular arc DB.

Claims (2)

1. a scroll, is characterized in that: scroll center top is initial circular arc (AC), and scroll outer wall is described initial circular arc (AC) outer end points (A) the tangent and outward extending outer compound curve (AR) initial with described scroll center; Scroll inwall is and the tangent and outward extending interior compound curve of the interior end points of described initial circular arc (AC) (C) (CL) at described scroll center;
Described initial an arc equation is: (x-5.108) 2+ (y-7.819) 2=12.5 millimeters, described initial radius of arc is 3.5 millimeters;
Described outer compound curve is by first involute (AE) of smooth connection successively, the first circular arc (EF), and the second circular arc (FG), the second involute (GH), transition arc (HP), the 3rd involute (PQ) and three-arc (QR) form;
Described the first involute (AE), the second involute (GH), the equation of the 3rd involute (PQ) is:
Wherein: described the first involute (AE), the Base radius of the second involute (GH) and the 3rd involute (PQ) is radius r i, r i=4.2176 millimeters;
The initial exhibition angle Wei Zhan angle α 1 of described the first involute (AE), α 1=-40.7547 °, 1≤400.7547 ° of described the first involute (AE) involute exhibition φ 1:160.7547 °≤φ in Wei Zhan angle, angle;
The initial exhibition angle Wei Zhan angle α 2 of described the second involute (GH), α 2=-40.7547 °, 2≤1339.5 ° of described the second involute (GH) involute exhibition φ 2:940.7547 °≤φ in Wei Zhan angle, angle;
The initial exhibition angle Wei Zhan angle α 3 of described the 3rd involute (PQ), α 3=-54.3396 °, 3≤1479.6457 ° of described the 3rd involute (PQ) the involute exhibition φ 3:1335.3651 °≤φ in Wei Zhan angle, angle;
Described the first circular arc (EF) equation is: (x-4.2176) 2+ (y-17) 2=2162.25 millimeters, described the first radius of arc is 46.5 millimeters;
Described the second circular arc (FG) equation is: (x+4.2176) 2+ (y-13.6877) 2=3087.169 millimeters; Described the second radius of arc is 55.5623 millimeters;
Described transition arc (HP) radius is 9 millimeters;
Described three-arc (QR) equation is: x 2+ y 2=11881 millimeters, described three-arc (QR) radius is 109 millimeters;
Described interior compound curve (CL) is by the straight line (CD) of smooth connection successively, the 4th circular arc (DB), and the 4th involute (BI), the 5th circular arc (IJ), the 6th circular arc (JK) and the 5th involute (KL) form;
The equation of described the 4th involute (BI) and described the 5th involute (KL) is:
Wherein: the Base radius of described the 4th involute (BI) and described the 5th involute (KL) is r o, r o=4.2176 millimeters;
The initial exhibition angle Wei Zhan angle α 4 of described the 4th involute (BI), α 4=40.7574 °, 4≤499.2452 ° of described the 4th involute (BI) the involute exhibition φ 4:252.2452 °≤φ in Wei Zhan angle, angle;
The initial exhibition angle Wei Zhan angle α 5 of described the 5th involute (KL), α 5=40.7574 °, 5≤1435.2452 ° of described the 5th involute (KL) the involute exhibition φ 5:1039.3651 °≤φ in Wei Zhan angle, angle;
Described the 4th circular arc (DB) equation is: (x+5.5025) 2+ (y+6.9175) 2=116.64 millimeters; Described the 4th radius of arc is 10.8 millimeters;
Described the 5th circular arc (IJ) equation is: (x+4.2176) 2+ (y+17) 2=2889.0625 millimeters; Described the 5th radius of arc is 53.75 millimeters;
Described the 6th circular arc (JK) equation is: (x-4.2176) 2+ (y+13.6877) 2=3945.3724 millimeters; Described the 6th radius of arc is 62.8122 millimeters;
Described straight line (CD) is the line of the interior end points of described initial circular arc (AC) (C) and described the 4th interior end points of circular arc (DB) (D).
2. according to the kind scroll of claim 1, it is characterized in that: the outer end points of described initial circular arc (AC) (A) coordinate is: x=8.1391 millimeter, y=9.569 millimeter; The interior end points of described initial circular arc (AC) (C) coordinate is: x=5.2482 millimeter, y=4.322 millimeter;
The interior end points of described the first circular arc (EF) (E) coordinate is: x=4.2176 millimeter, y=-29.5 millimeter; The outer end points of described the first circular arc (EF) (F) coordinate is: x=47.5003 millimeter, y=33.9955 millimeter;
The outer end points of described the second circular arc (FG) (G) coordinate is: x=-4.2176 millimeter, y=69.25 millimeter;
The interior end points of described three-arc (QR) (Q) coordinate is: x=-23.5478 millimeter, y=-106.426 millimeter; The outer end points of described three-arc (QR) (R) coordinate is: x=67.4228 millimeter, y=-85.649 millimeter;
Described the 4th interior end points of circular arc (DB) (D) coordinate is: x=-5.9351 millimeter, y=3.8737 millimeter; Described the 4th outer end points of circular arc (DB) (B) coordinate is: x=-15.444 millimeter, y=-11.1374 millimeter;
Described the 5th interior end points of circular arc (IJ) (I) coordinate is: x=-4.2176 millimeter, y=36.75 millimeter; Described the 5th outer end points of circular arc (IJ) (J) coordinate is: x=-54.2487 millimeter, y=-36.6454 millimeter;
Outer end points (K) coordinate of described the 6th circular arc is: x=4.2176 millimeter, y=-76.5 millimeter;
The outer end points of described the second involute (GH) (H) coordinate is: x=-65.0004 millimeter, 74.2636 millimeters of y=;
Described the 3rd interior end points of involute (PQ) (P) coordinate is: x=-68.6703 millimeter, 72.4997 millimeters of y=;
Described the 5th outer end points of involute (KL) (L) coordinate is: x=65.5116 millimeter, y=-82.9935 millimeter.
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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN106194749A (en) * 2016-10-10 2016-12-07 中国石油大学(华东) A kind of gradual change wall thickness binary vortices tooth of full engagement
CN106438355A (en) * 2016-10-10 2017-02-22 中国石油大学(华东) Fully meshed vortex tooth with gradually varied wall thickness
CN107178499A (en) * 2017-05-15 2017-09-19 南昌大学 A kind of scroll machine discharge capacity molded line modification method
CN107829784A (en) * 2017-05-12 2018-03-23 南昌大学 A kind of vortex disc of vortex expander
CN108443141A (en) * 2018-05-07 2018-08-24 南昌大学 It is a kind of to use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc
CN108708853A (en) * 2018-04-23 2018-10-26 河北昊方新能源科技有限公司 The scroll type air compressor of air-cooled oil-free

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194749A (en) * 2016-10-10 2016-12-07 中国石油大学(华东) A kind of gradual change wall thickness binary vortices tooth of full engagement
CN106438355A (en) * 2016-10-10 2017-02-22 中国石油大学(华东) Fully meshed vortex tooth with gradually varied wall thickness
CN106194749B (en) * 2016-10-10 2018-06-01 中国石油大学(华东) A kind of gradual change wall thickness binary vortices tooth engaged entirely
CN106438355B (en) * 2016-10-10 2018-10-23 中国石油大学(华东) A kind of gradual change wall thickness scroll wrap engaged entirely
CN107829784A (en) * 2017-05-12 2018-03-23 南昌大学 A kind of vortex disc of vortex expander
CN107829784B (en) * 2017-05-12 2020-03-27 南昌大学 Vortex disk of vortex expander
CN107178499A (en) * 2017-05-15 2017-09-19 南昌大学 A kind of scroll machine discharge capacity molded line modification method
CN108708853A (en) * 2018-04-23 2018-10-26 河北昊方新能源科技有限公司 The scroll type air compressor of air-cooled oil-free
CN108443141A (en) * 2018-05-07 2018-08-24 南昌大学 It is a kind of to use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc
CN108443141B (en) * 2018-05-07 2024-05-03 南昌大学 Vortex tooth-shaped line structure of vortex compressor adopting asymmetric double-arc correction

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