CN201992143U - Jet valve and air jet enthalpy-gain type rotary compressor - Google Patents
Jet valve and air jet enthalpy-gain type rotary compressor Download PDFInfo
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- CN201992143U CN201992143U CN2011200471302U CN201120047130U CN201992143U CN 201992143 U CN201992143 U CN 201992143U CN 2011200471302 U CN2011200471302 U CN 2011200471302U CN 201120047130 U CN201120047130 U CN 201120047130U CN 201992143 U CN201992143 U CN 201992143U
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Abstract
The utility model relates to a jet valve and an air jet enthalpy-gain type rotary compressor. The jet valve comprises a valve cavity arranged in a valve body, wherein a valve spool is arranged inside the valve cavity, a first passage and a second passage which are communicated with the valve cavity are arranged on the valve body. The jet valve is characterized in that the valve spool is of a spherical shape, and the valve spool is made of nonmetallic material. The valve spool is a hollow sphere. The valve body comprises a first valve cover and a second valve cover; the first passage, a first opening surface and a first opening cylindrical surface are arranged on the valve cover; the first opening surface and the first opening cylindrical surface surround into a first opening cavity, and one end of the first passage is communicated with the first opening cavity; the second passage and a second opening surface are arranged on the second valve cover, a second opening cavity is surrounded by the second opening surface, and one end of the second passage is communicated with the second opening cavity; and the first opening cavity and the second opening cavity surround form the valve cavity. The jet valve provided by the utility model has the characteristics of flexible operation, low fabrication cost, good sealing effect, high response speed, high reliability, large jet flow, and wide application range.
Description
Technical field
The utility model relates to a kind of injection valve, particularly a kind of injection valve and air injection enthalpy-increasing formula rotary compressor.
Background technique
Common air-conditioning system comprises compressor, indoor heat exchanger, indoor heat exchange condensers, throttling arrangement and liquid-storage container.In the winter time, air-conditioning system is when carrying out heating operation, when outdoor temperature is low more, because the decline of the refrigerant cycle flow of the quality of the suction refrigeration agent of compressor and air-conditioning system makes that the heating capacity of air-conditioning system and efficiency also can be low more.Reach subzero 15 degree when following when outdoor temperature is low, the heating performance of air-conditioning system has been to deteriorate into very serious degree.
The model utility content
The purpose of this utility model aims to provide that a kind of simple and reasonable, flexible operation, fabricating cost are low, the good sealing effect of injection valve, speed of response is fast, reliability is high, injection flow is big, applied widely injection valve and air injection enthalpy-increasing formula rotary compressor, to overcome deficiency of the prior art.
A kind of injection valve by this purpose design comprises the valve pocket that is arranged in the valve body, is provided with spool in the valve pocket, and valve body is provided with first passage and the second channel that communicates with valve pocket, and its structure characteristic is that spool is spherical in shape, and spool is made by nonmetallic material.
Described spool is a hollow ball.
Described valve body comprises first valve gap and second valve gap; First valve gap is provided with first passage, first opening surface and the first open circles cylinder; First opening surface becomes first atrium with the first open circles cylinder one common peripheral, and an end of first passage communicates with first atrium; Second valve gap is provided with the second channel and second opening surface, and second opening surface surrounds second atrium, and an end of second channel communicates with second atrium; First atrium and second atrium are formed valve pocket.
Described first opening surface and second opening surface are cambered surface with the surface of contact of spool, and the cambered surface radius of first opening surface and second opening surface equates with the radius of spool.
The described first open circles cylinder is provided with first groove, and the surface of contact of second opening surface and spool is provided with second groove, and first groove and second groove are oppositely arranged, and first groove and second groove are communicated with the back and form first communication paths.
Described valve body comprises first valve gap and second valve gap; First valve gap is provided with the first passage and first opening surface, and first opening surface surrounds first atrium, and an end of first passage communicates with first atrium; Second valve gap is provided with second channel, second opening surface and the second open circles cylinder, and second opening surface becomes second atrium with the second open circles cylinder one common peripheral, and an end of second channel communicates with second atrium; First atrium and second atrium are formed valve pocket.
Described first opening surface and second opening surface are cambered surface with the surface of contact of spool, and the cambered surface radius of first opening surface and second opening surface equates with the radius of spool.
The described second open circles cylinder is provided with the 3rd groove, and the surface of contact of second opening surface and spool is provided with second groove, and the 3rd groove and second groove are oppositely arranged, and the 3rd groove is communicated with the back and forms second communication passage with second groove.
A kind of air injection enthalpy-increasing formula rotary compressor, comprise injection valve, and be arranged on suction port and vane slot on the cylinder, be arranged on the main bearing and the supplementary bearing of cylinder both sides, its structure characteristic is that the center line with vane slot is a symmetry center, in the couple positioned opposite of suction port injection channel is arranged, and injection valve is arranged in the injection channel, the axis of injection valve and the axis normal of rotary compressor, the other end of second channel communicates with cylinder inner cavity;
Perhaps, be provided with injection channel in main bearing or supplementary bearing, injection valve is arranged in the injection channel, and the other end of second channel communicates with cylinder inner cavity by the connection branch road that is arranged in main bearing or the supplementary bearing;
Perhaps, be provided with injection channel in main bearing or supplementary bearing, injection valve is arranged in the injection channel, and the other end of second channel directly communicates with cylinder inner cavity.
A kind of air injection enthalpy-increasing formula rotary compressor, comprise injection valve, and be arranged on central diaphragm between first cylinder and second cylinder, its structure characteristic is that central diaphragm is provided with injection channel, injection valve is arranged in the injection channel, and the other end of second channel communicates with the cylinder inner cavity of first cylinder or the cylinder inner cavity of second cylinder by the connection branch road that is arranged in the central diaphragm.
Spool in the utility model adopts the nonmetallic material with certain anti-collision performance to make, so the corresponding sports of spool in valve pocket can be very fast, and, spool made hollow ball after, the speed of response of raising spool greatly.
Injection valve in the utility model is an one-way valve, both can jet, hydrojet, also can spray gas-liquid two-phase fluid, when its work, refrigeration agent from the first passage introducing, can enter second channel by the injection of the groove on second opening surface, thereby enter in the cylinder compression chamber, realize ejection function.
The utility model can through after certain throttling, make the refrigeration agent that comes out from condenser gaseous refrigerant be ejected in the cylinder of compressor compression chamber by gas ejecting system.So, just can improve the gettering quantity of compressor very effectively, make the flow through refrigerant flow of condenser be increased, the heating capacity of final air-conditioning system and heat efficiency and all be improved.Be lower than subzero 15 when spending in the border temperature especially, the heating performance of air-conditioning system promotes especially obvious.
The utlity model has that simple and reasonable, flexible operation, easily processing, fabricating cost are low, the good sealing effect of injection valve, speed of response is fast, reliability is high, injection flow is big, advantage of wide range of application.
Description of drawings
Fig. 1 is the utility model first embodiment's a broken section structural representation.
Fig. 2 is that A-A among Fig. 1 is to the broken section structural representation.
Fig. 3 is the main TV structure schematic representation of first valve gap among first embodiment.
Fig. 4 is that C-C among Fig. 3 is to the sectional structure schematic representation.
Fig. 5 is the main TV structure schematic representation of second valve gap among first embodiment.
Fig. 6 is that D-D among Fig. 5 is to the sectional structure schematic representation.
Fig. 7 is among first embodiment, and injection valve is arranged on the broken section structural representation in the main bearing.
Fig. 8 is the E place structure for amplifying schematic representation among Fig. 7.
Fig. 9 is for being among first embodiment, and injection valve is arranged on the broken section structural representation in the supplementary bearing.
Figure 10 is the F place structure for amplifying schematic representation among Fig. 9.
Figure 11 is among first embodiment, and injection valve is arranged on the broken section structural representation in the central diaphragm.
Figure 12 is the G place structure for amplifying schematic representation among Figure 11.
Figure 13 is the sectional structure schematic representation of the injection valve among the utility model second embodiment.
Among the figure: 1 is cylinder, and 2 is suction port, and 3 is vane slot, and 4 is injection channel, 5 is injection valve, and 5a is first valve gap, and 5b is second valve gap, and 5c is a spool, 5d is first groove, and 5d ' is second groove, 5d, and " be second groove, 5a1 is a first passage; 5a2 is first opening surface, and 5a3 is the first open circles cylinder, and 5b1 is a second channel; 5b2 is second opening surface, and 5b3 is the second open circles cylinder, and 6 is cylinder inner cavity; 7 is main bearing, and 8 is supplementary bearing, and 9 is central diaphragm.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
First embodiment
Referring to Fig. 1, air injection enthalpy-increasing formula rotary compressor, center line with the vane slot 3 of cylinder 1 is a symmetry center, the couple positioned opposite at suction port 2 on cylinder 1 has injection channel 4, in injection channel 4, be provided with injection valve 5 with ejection function, the axis of injection valve 5 and the axis normal of rotary compressor, the other end of the second channel 5b1 of injection valve 5 communicates with cylinder inner cavity 6; This injection valve 5 can jet, hydrojet, also can spray gas-liquid two-phase fluid.
Referring to Fig. 2, injection valve 5 is one-way valves, and injection valve 5 comprises the first valve gap 5a, the second valve gap 5b and spool 5c.During assembling, the second valve gap 5b is enclosed among the first valve gap 5a.
Referring to Fig. 3-Fig. 6, the first valve gap 5a is provided with first passage 5a1, the first opening surface 5a2 and the first open circles cylinder 5a3; The first opening surface 5a2 and the first open circles cylinder 5a3 surround first atrium jointly.The end of first passage 5a1 communicates with first atrium.The other end of first passage 5a1 and compressor exterior are connected with the flash vessel of system through piping.
The second valve gap 5b is provided with the second channel 5b1 and the second opening surface 5b2.The second opening surface 5b2 surrounds second atrium.The end of second channel 5b1 communicates with second atrium.The other end of second channel 5b1 communicates with cylinder inner cavity 6.The position that this second channel 5b1 communicates with cylinder inner cavity 6 is the position cylinder compression chamber just.
After the second valve gap 5b and first valve gap 5a assembling, first atrium and second atrium are formed valve pocket jointly, and spherical spool 5c is arranged in the valve pocket.Spool 5c adopts nonmetallic material to make.Like this, make that the weight of spool 5c is lighter, it is corresponding very fast to move.Set in each second, the exhaust of compressor is 50 times, and so, spool 5c is when work, and can reach 100 time the first opening surface 5a2 and the second opening surface 5b2 bump number of times each second.
Therefore, make the nonmetallic material of spool 5c, certain impact resistance must be arranged.In addition, in order further to alleviate the weight of spool 5c, accelerate the movement velocity of spool 5c, spool 5c can be set to hollow.
When the first opening surface 5a2 contacts with spool 5c, will break off the path between first passage 5a1 and the cylinder inner cavity 6 to first passage 5a1 sealing.
First opening surface 5a2 of injection valve 5 and the surface of contact of the second opening surface 5b2 and spool 5c are cambered surface, and r is the radius of each cambered surface.The radius R of the radius r=spool of cambered surface.
The pass of the diameter D of the first open circles cylinder 5a3 and the radius R of spool 5c is: R 〉=D>1.05R.
When jet pressure during less than the pressure of cylinder inner cavity, spool 5c contacts with the first opening surface 5a2, will be first passage 5a1 sealing, the path between blocking-up first passage 5a1 and the cylinder inner cavity 6.Make and can not leak into the high-pressure refrigerant that the cylinder compression chamber is interior outside the cylinder.
Because the first open circles cylinder 5a3 is provided with the first groove 5d, the surface of contact of the second opening surface 5b2 and spool 5c is provided with the second groove 5d ', the position of the first groove 5d and the second groove 5d ' is oppositely arranged, and the first groove 5d and second groove 5d ' connection back form first communication paths.
When jet pressure during greater than the pressure of cylinder inner cavity, spool 5c is with after the second opening surface 5b2 contacts, and from the refrigeration agent that first passage 5a1 introduces, can spray by the first above-mentioned communication paths and enter second channel 5b1, thereby enter in the cylinder compression chamber, realize ejection function.
Because first opening surface 5a2 of injection valve 5 and the surface of contact of the second opening surface 5b2 and spool 5c reach 180 degree.Promptly the length H of the first open circles cylinder 5a3 is exactly a spool 5c move distance back and forth.
The radius R of H and first passage 5a1 ' between the pass be: H>R '/4.
In addition, the radius R of the total sectional area S of first communication paths and first passage 5a1 ' between the pass be: S>R ' * R ' * pi/2.Like this, guarantee that equally refrigeration agent is comparatively unimpeded from the inside that first passage 5a1 enters injection valve 5, refrigerant flow is guaranteed.
Referring to Fig. 7-Figure 10, in main bearing 7 or supplementary bearing 8, be provided with injection channel 4, injection valve 5 is arranged in the injection channel 4, and the other end of second channel 5b1 communicates with cylinder inner cavity 6 by the connection branch road that is arranged in main bearing 7 or the supplementary bearing 8; Perhaps, be provided with injection channel 4 in main bearing 7 or supplementary bearing 8, injection valve 5 is arranged in the injection channel 4, and the other end of second channel 5b1 directly communicates with cylinder inner cavity 6.A kind of concrete structure of scheme before having provided among the figure.
Referring to Figure 11-Figure 12, when injection valve 5 is arranged on two central diaphragms 9 between the cylinder, be that injection valve 5 is when being arranged on the central diaphragm 9 between first cylinder and second cylinder, central diaphragm 9 is provided with injection channel 4, injection valve 5 is arranged in the injection channel 4, and the other end of second channel 5b1 communicates with the cylinder inner cavity 6 of first cylinder or the cylinder inner cavity 6 of second cylinder by the connection branch road that is arranged in the central diaphragm 9.Only provided the concrete structure that the other end of second channel 5b1 communicates with the cylinder inner cavity 6 of second cylinder by the connection branch road that is arranged in the central diaphragm 9 among the figure.
Second embodiment
Referring to Figure 13, the first above-mentioned open circles cylinder 5a3 also can be arranged on the second valve gap 5b, and at this moment, the first open circles cylinder 5a3 is called as the second open circles cylinder 5b3.
That is, the first valve gap 5a is provided with the first passage 5a1 and the first opening surface 5a2; The second valve gap 5b is provided with second channel 5b1, the second opening surface 5b2 and the second open circles cylinder 5b3.
Next, just basic identical with above-mentioned content, second channel 5b1 communicates with cylinder inner cavity 6; The exterior of first passage 5a1 and compressor is connected with the flash vessel of system through piping.
Under this situation, during assembling, the first valve gap 5a entangles the second valve gap 5b.At this moment, the second open circles cylinder 5b3 is provided with the 3rd groove 5d "; the surface of contact of the second opening surface 5b2 and spool 5c is provided with the second groove 5d '; the 3rd groove 5d, and " be communicated with the back with the second groove 5d ' and form second communication passage, the function of first communication passage among this second communication passage and first embodiment is basic identical.All the other are not stated part and see first embodiment, no longer repeat.
Claims (10)
1. injection valve, comprise the valve pocket that is arranged in the valve body, be provided with spool (5c) in the valve pocket, valve body is provided with first passage (5a1) and the second channel (5b1) that communicates with valve pocket, it is characterized in that spool (5c) is spherical in shape, spool (5c) is made by nonmetallic material.
2. injection valve according to claim 1 is characterized in that described spool (5c) is a hollow ball.
3. injection valve according to claim 1 and 2 is characterized in that described valve body comprises first valve gap (5a) and second valve gap (5b); First valve gap (5a) is provided with first passage (5a1), first opening surface (5a2) and the first open circles cylinder (5a3); First opening surface (5a2) and the first open circles cylinder (5a3) surround first atrium jointly, and an end of first passage (5a1) communicates with first atrium; Second valve gap (5b) is provided with second channel (5b1) and second opening surface (5b2), and second opening surface (5b2) surrounds second atrium, and an end of second channel (5b1) communicates with second atrium; First atrium and second atrium are formed valve pocket.
4. injection valve according to claim 3, it is characterized in that described first opening surface (5a2) and second opening surface (5b2), be cambered surface with the surface of contact of spool (5c), the cambered surface radius of first opening surface (5a2) and second opening surface (5b2) equates with the radius of spool (5c).
5. injection valve according to claim 4, it is characterized in that the described first open circles cylinder (5a3) is provided with first groove (5d), second opening surface (5b2) is provided with second groove (5d ') with the surface of contact of spool (5c), first groove (5d) and second groove (5d ') are oppositely arranged, and first groove (5d) and second groove (5d ') are communicated with the back and form first communication paths.
6. injection valve according to claim 1 and 2 is characterized in that described valve body comprises first valve gap (5a) and second valve gap (5b); First valve gap (5a) is provided with first passage (5a1) and first opening surface (5a2), and first opening surface (5a2) surrounds first atrium, and an end of first passage (5a1) communicates with first atrium; Second valve gap (5b) is provided with second channel (5b1), second opening surface (5b2) and the second open circles cylinder (5b3), second opening surface (5b2) and the second open circles cylinder (5b3) surround second atrium jointly, and an end of second channel (5b1) communicates with second atrium; First atrium and second atrium are formed valve pocket.
7. injection valve according to claim 6, it is characterized in that described first opening surface (5a2) and second opening surface (5b2), be cambered surface with the surface of contact of spool (5c), the cambered surface radius of first opening surface (5a2) and second opening surface (5b2) equates with the radius of spool (5c).
8. injection valve according to claim 7, it is characterized in that the described second open circles cylinder (5b3) is provided with the 3rd groove (5d "); second opening surface (5b2) is provided with second groove (5d ') with the surface of contact of spool (5c); (5d ") is oppositely arranged with second groove (5d ') the 3rd groove, and (5d ") is communicated with the back and forms second communication passage the 3rd groove with second groove (5d ').
9. air injection enthalpy-increasing formula rotary compressor, comprise the described injection valve of claim 1, and be arranged on suction port (2) and vane slot (3) on the cylinder (1), be arranged on the main bearing (7) and the supplementary bearing (8) of cylinder (1) both sides, it is characterized in that the center line with vane slot (3) is a symmetry center, the couple positioned opposite of the suction port (2) on cylinder (1) has injection channel (4), injection valve (5) is arranged in the injection channel (4), the axis of injection valve (5) and the axis normal of rotary compressor, the other end of second channel (5b1) communicates with cylinder inner cavity (6);
Perhaps, in main bearing (7) or supplementary bearing (8), be provided with injection channel (4), injection valve (5) is arranged in the injection channel (4), and the other end of second channel (5b1) communicates with cylinder inner cavity (6) by the connection branch road that is arranged in main bearing (7) or the supplementary bearing (8);
Perhaps, be provided with injection channel (4) in main bearing (7) or supplementary bearing (8), injection valve (5) is arranged in the injection channel (4), and the other end of second channel (5b1) directly communicates with cylinder inner cavity (6).
10. air injection enthalpy-increasing formula rotary compressor, comprise the described injection valve of claim 1, and be arranged on central diaphragm (9) between first cylinder and second cylinder, it is characterized in that central diaphragm (9) is provided with injection channel (4), injection valve (5) is arranged in the injection channel (4), and the other end of second channel (5b1) communicates with the cylinder inner cavity (6) of first cylinder or the cylinder inner cavity (6) of second cylinder by the connection branch road that is arranged in the central diaphragm (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011200471302U CN201992143U (en) | 2011-02-16 | 2011-02-16 | Jet valve and air jet enthalpy-gain type rotary compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011200471302U CN201992143U (en) | 2011-02-16 | 2011-02-16 | Jet valve and air jet enthalpy-gain type rotary compressor |
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CN201992143U true CN201992143U (en) | 2011-09-28 |
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CN2011200471302U Expired - Fee Related CN201992143U (en) | 2011-02-16 | 2011-02-16 | Jet valve and air jet enthalpy-gain type rotary compressor |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105464985A (en) * | 2014-09-12 | 2016-04-06 | 上海日立电器有限公司 | Refrigerant charging device and rotary compressor |
CN105822554A (en) * | 2015-01-05 | 2016-08-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
CN106014986A (en) * | 2016-07-08 | 2016-10-12 | 珠海凌达压缩机有限公司 | Rotary compressor and air conditioner |
WO2023037972A1 (en) * | 2021-09-10 | 2023-03-16 | ダイキン工業株式会社 | Compressor, and air conditioning device |
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2011
- 2011-02-16 CN CN2011200471302U patent/CN201992143U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105464985A (en) * | 2014-09-12 | 2016-04-06 | 上海日立电器有限公司 | Refrigerant charging device and rotary compressor |
CN105464985B (en) * | 2014-09-12 | 2020-01-14 | 上海海立电器有限公司 | Refrigerant filling device and rotary compressor |
CN105822554A (en) * | 2015-01-05 | 2016-08-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
CN105822554B (en) * | 2015-01-05 | 2018-05-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
CN106014986A (en) * | 2016-07-08 | 2016-10-12 | 珠海凌达压缩机有限公司 | Rotary compressor and air conditioner |
CN106014986B (en) * | 2016-07-08 | 2018-08-10 | 珠海凌达压缩机有限公司 | Rotary compressor and air conditioner |
WO2023037972A1 (en) * | 2021-09-10 | 2023-03-16 | ダイキン工業株式会社 | Compressor, and air conditioning device |
JP2023040761A (en) * | 2021-09-10 | 2023-03-23 | ダイキン工業株式会社 | Compressor and air conditioner |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20190216 |
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CF01 | Termination of patent right due to non-payment of annual fee |