CN105588317A - Tubing with noise reduction function and air conditioner - Google Patents
Tubing with noise reduction function and air conditioner Download PDFInfo
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- CN105588317A CN105588317A CN201510582029.XA CN201510582029A CN105588317A CN 105588317 A CN105588317 A CN 105588317A CN 201510582029 A CN201510582029 A CN 201510582029A CN 105588317 A CN105588317 A CN 105588317A
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- sound
- connector
- pipe arrangement
- absorptive
- absorptive connector
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the field of noise reduction of air conditioners, in particular to tubing with the noise reduction function and an air conditioner. A noise reduction connector can be fixed without additional arrangement of a connecting pipe, cost is low, the manufacturing technology is simple, meanwhile, time can be saved, and the production efficiency is improved. The defects that when a noise reduction connector is fixed in the prior art, a connecting pipe needs to be additionally arranged for fixing the noise reduction connector, consequently the manufacturing technology is complex, the operation labor hours are relatively long, and the production efficiency is reduced are overcome. The embodiment of the invention provides the tubing with the noise reduction function. The tubing comprises a tubing connecting section close to an outlet of the tubing, the noise reduction connector penetrating into the tubing connecting section, and a limiting part, wherein the noise reduction connector comprises a wide-diameter section, a gradually-shrunk section and a narrow-diameter section in sequence in the flowing direction of a refrigerant in the tubing connecting section, and the limiting part is used for preventing the noise reduction connector from sliding away from the tubing connecting section in the direction opposite to the flowing direction of the refrigerant.
Description
Technical field
The present invention relates to air-conditioning noise reduction field, relate in particular to a kind of pipe arrangement and air-conditioning with sound deadening.
Background technology
At present, on market, in most air-conditioning system, do not configure sound-absorptive connector, high pressure refrigerant is flowed through in the process of pipe arrangement, and liquid drives air and tube wall to bump and sound, and like this, can produce noise. Along with people are more and more higher to the requirement of air-conditioning low noise, Some Air Conditioning System disposes sound-absorptive connector, in the time that flowing through pipe arrangement, refrigerant utilizes ducted sound reflecting effect, unexpected expansion, contraction by pipe arrangement cross section produce acoustic impedance mismatch, the phenomenons such as the sound wave that makes some frequency reflects in the interface of acoustic impedance sudden change, interference, thus reach the object of noise reduction.
Sound-absorptive connector in existing air-conditioning system is shown in Figure 1, described sound-absorptive connector 2a comprises wide path A successively, converging transition B and narrow footpath section C, described converging transition B equals the internal diameter of described wide path A near the internal diameter of described wide path A, described converging transition B equals the internal diameter of described narrow footpath section C near the internal diameter of described narrow footpath section C, described converging transition B is greater than the external diameter of described wide path A near the external diameter of described wide path A, the wide path A of described sound-absorptive connector 2a is located in pipe arrangement 1, at this moment, described converging transition B equals the external diameter of described pipe arrangement 1 near the external diameter of described wide path A, described sound-absorptive connector 2a and described pipe arrangement 1 are located in a tube connector 3, the external surface shape of the inner surface configuration of described tube connector 3 and described sound-absorptive connector 2a and described pipe arrangement 1 matches, and by the inner surface of described tube connector 3 and the welding of the outer surface of described pipe arrangement 1, described sound-absorptive connector 2a is fixed in described pipe arrangement 1 and described tube connector 3, formation has the pipe arrangement 1 of sound-absorptive connector 2a, the described pipe arrangement 1 with sound-absorptive connector 2a is welded to connect with electric expansion valve by the tube connector 3 of the section C outside, narrow footpath of described sound-absorptive connector 2a, because electric expansion valve is red copper material, described tube connector 3 is also red copper material, between described electric expansion valve and described tube connector 3, weld by 2% silver solder, in the time not increasing tube connector 3, because described sound-absorptive connector 2a is brass material, the fusing point of brass is 940-970 DEG C, the fusing point of red copper is 1080 DEG C, in the time that described electric expansion valve and described sound-absorptive connector 2a are welded, described sound-absorptive connector 2a is easy to weldedization, therefore, by increasing tube connector 3, described electric expansion valve and described tube connector 3 are by being welded and fixed, can reduce the temperature that is passed to described sound-absorptive connector 2a, prevent in the time that described sound-absorptive connector 2a is fixed described sound-absorptive connector 2a welderingization, thereby realize the noise reduction to air-conditioning system.
Adopt prior art provide this sound-absorptive connector 2a time, need to increase a tube connector 3 described sound-absorptive connector 2a is fixed, easy weldedization when preventing that sound-absorptive connector 2a and electric expansion valve from directly welding, makes complex manufacturing technology, working hour is longer, and production efficiency is lower.
Summary of the invention
Main purpose of the present invention is, a kind of pipe arrangement and air-conditioning with sound deadening is provided. Wherein, do not need to increase tube connector and can realize the fixing of described sound-absorptive connector, cost is lower, and manufacture craft is simple, can save time simultaneously, enhances productivity.
For achieving the above object, the present invention adopts following technical scheme:
On the one hand, the embodiment of the present invention provides a kind of pipe arrangement with sound deadening, comprising:
Near the pipe linkage section of described pipe arrangement outlet;
Sound-absorptive connector, described sound-absorptive connector is located in described pipe linkage section, and described sound-absorptive connector comprises wide path, converging transition and narrow footpath section successively along the flow direction of refrigerant, and the inwall of the outer wall of described sound-absorptive connector and described pipe linkage section fits;
Limiting component, described limiting component is for stoping described sound-absorptive connector along the direction contrary with the flow direction of the described refrigerant described pipe linkage section that slips away.
Preferably, described converging transition equates near the external diameter of described wide path and the external diameter of described wide path.
Optionally, the angle between the outer wall of described converging transition and the outer wall of described narrow footpath section is 150-160 degree.
Preferably, the longitudinal section of the inwall of described converging transition is trapezoidal, and described two trapezoidal waist angles are 40-90 degree.
Optionally, described sound-absorptive connector comprises entrance point and the port of export successively along the flow direction of refrigerant, and described limiting component comprises and being arranged on described pipe linkage section inwall, and the stupefied circle of projection connecting with the entrance point of described sound-absorptive connector.
Preferably, the stupefied circle of described projection forms by be installed with slot rolling on described pipe linkage section outer wall.
Further, the shape of cross section of described slot rolling is semicircle.
Preferably, the degree of depth of described slot rolling is 0.5-1.5mm.
Optionally, described sound-absorptive connector is red copper material.
On the other hand, the embodiment of the present invention provides a kind of air-conditioning, comprises the pipe arrangement with sound deadening as described above.
The embodiment of the present invention provides a kind of pipe arrangement and air-conditioning with sound deadening, wherein, because described sound-absorptive connector is located in the pipe linkage section of described pipe arrangement outlet, described sound-absorptive connector comprises wide path successively along the flow direction of refrigerant, converging transition and narrow footpath section, and the inwall of the outer wall of described sound-absorptive connector and described pipe linkage section fits, therefore, by being set, limiting component stop described sound-absorptive connector along the direction contrary with the refrigerant flow direction described pipe linkage section that slips away, described sound-absorptive connector can be fixed in described pipe linkage section, further, in the time that the pipe linkage section of described pipe arrangement and described electric expansion valve are welded and fixed, described sound-absorptive connector is wrapped in described pipe linkage section, easy weldedization can avoid described sound-absorptive connector directly to weld with described electric expansion valve time, do not need additionally to increase tube connector and just can realize fixing described sound-absorptive connector, in the time that refrigerant is flowed through described sound-absorptive connector, reducing by undergauge section can be broken the bubble in refrigerant, eliminate refrigerant flow noise, the pipe arrangement cost that the embodiment of the present invention provides, manufacture craft is simple, can save time, enhance productivity. overcome in prior art in the time that sound-absorptive connector is welded and fixed, need to increase a tube connector described sound-absorptive connector is fixed, made that cost is higher, the long and lower defect of production efficiency of complex manufacturing technology, working hour.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The cross-sectional view of a kind of pipe arrangement with sound deadening that Fig. 1 provides for prior art;
The cross-sectional view of a kind of pipe arrangement with sound deadening that Fig. 2 provides for the embodiment of the present invention;
The partial enlarged drawing in Q region in Fig. 2 that Fig. 3 provides for the embodiment of the present invention;
The air-conditioning that Fig. 4 provides for the embodiment of the present invention configures respectively red copper sound-absorptive connector and the brass sound-absorptive connector of the prior art that the embodiment of the present invention provides, noise curve comparison diagram when high wind shelves in cooling condition;
The air-conditioning that Fig. 5 provides for the embodiment of the present invention configures respectively red copper sound-absorptive connector and the brass sound-absorptive connector of the prior art that the embodiment of the present invention provides, noise curve comparison diagram when apoplexy shelves in cooling condition;
The air-conditioning that Fig. 6 provides for the embodiment of the present invention configures respectively red copper sound-absorptive connector and the brass sound-absorptive connector of the prior art that the embodiment of the present invention provides, noise curve comparison diagram when low wind shelves in cooling condition;
The air-conditioning that Fig. 7 provides for the embodiment of the present invention configures respectively red copper sound-absorptive connector and the brass sound-absorptive connector of the prior art that the embodiment of the present invention provides, noise curve comparison diagram when high wind shelves in heating condition;
The air-conditioning that Fig. 8 provides for the embodiment of the present invention configures respectively red copper sound-absorptive connector and the brass sound-absorptive connector of the prior art that the embodiment of the present invention provides, noise curve comparison diagram when apoplexy shelves in heating condition;
The air-conditioning that Fig. 9 provides for the embodiment of the present invention configures respectively red copper sound-absorptive connector and the brass sound-absorptive connector of the prior art that the embodiment of the present invention provides, noise curve comparison diagram when low wind shelves in heating condition.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
In description of the invention, it will be appreciated that, orientation or the position relationship of the instructions such as term " " center ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of the device of instruction or hint indication or element must have specific orientation, with specific orientation structure with operate, therefore can not be interpreted as limitation of the present invention. In description of the invention, except as otherwise noted, the implication of " multiple " is two or more.
On the one hand, referring to Fig. 2 and Fig. 3, the embodiment of the present invention provides a kind of pipe arrangement with sound deadening, comprising:
The pipe linkage section 11 exporting near described pipe arrangement 1;
Sound-absorptive connector 2b, described sound-absorptive connector 2b is located in described pipe linkage section 11, and described sound-absorptive connector 2b comprises wide path A, converging transition B and narrow footpath section C successively along the flow direction of refrigerant, and the inwall of the outer wall of described sound-absorptive connector 2b and described pipe linkage section 11 fits;
Limiting component 4, described limiting component 4 is for stoping described sound-absorptive connector 2b along the direction contrary with the flow direction of the described refrigerant described pipe linkage section 11 that slips away.
The embodiment of the present invention provides a kind of pipe arrangement with sound deadening, because described sound-absorptive connector 2b is located in the pipe linkage section 11 that described pipe arrangement 1 exports, described sound-absorptive connector 2b comprises wide path A successively along the flow direction of refrigerant, converging transition B and narrow footpath section C, and the inwall of the outer wall of described sound-absorptive connector 2b and described pipe linkage section 11 fits, therefore, by being set, limiting component 4 stop described sound-absorptive connector 2b along the direction contrary with the refrigerant flow direction described pipe linkage section 11 that slips away, described sound-absorptive connector 2b can be fixed in described pipe linkage section 11, further, in the time that the pipe linkage section of described pipe arrangement 1 11 and described electric expansion valve are welded and fixed, described sound-absorptive connector 2b is wrapped in described pipe linkage section 11, easy weldedization can avoid described sound-absorptive connector 2b directly to weld with described electric expansion valve time, do not need additionally to increase tube connector and just can realize fixing described sound-absorptive connector 2b, in the time that refrigerant is flowed through described sound-absorptive connector 2b, reducing by undergauge section can be broken the bubble in refrigerant, eliminate refrigerant flow noise, the pipe arrangement cost that the embodiment of the present invention provides, manufacture craft is simple, can save time, enhance productivity. overcome in prior art in the time that sound-absorptive connector is welded and fixed, need to increase a tube connector described sound-absorptive connector is fixed, made that cost is higher, the long and lower defect of production efficiency of complex manufacturing technology, working hour.
Wherein, the external surface shape of described sound-absorptive connector 2b is not limited, preferred, described converging transition B equates with the external diameter of described wide path A near the external diameter of described wide path A. Because described sound-absorptive connector 2b and pipe arrangement 1 are non-resilient, adopt this structure, after the pipe linkage section of described pipe arrangement 1 11 can being made with described sound-absorptive connector 2b, directly described sound-absorptive connector 2b is located in described pipe linkage section 11, easy to make, meanwhile, between the outer surface of described sound-absorptive connector 2b and the inner surface of described pipe linkage section 11, there is not space, can improve the fixing fastness of described sound-absorptive connector 2b, further improve erasure effect. For example, when air-conditioning is in the time heating, refrigerant reverse flow, first enters in pipe arrangement 1, at this moment through the sound-absorptive connector 2b in described pipe linkage section 11 again, if gapped between sound-absorptive connector 2b and described pipe linkage section 11, refrigerant can send noise while flowing through described sound-absorptive connector 2b, thereby affects the erasure effect of described sound-absorptive connector 2b, and adopts this structure, can avoid this phenomenon to occur, improve the erasure effect of described sound-absorptive connector 2b.
Wherein, the concrete specification of described sound-absorptive connector 2b is not limited, as long as can play sound deadening.
In the time that making has the pipe arrangement 1 of sound deadening, specific procedure is: sawing sheet, deburring, reducing, chamfering, cover sound-absorptive connector 2b, sound-absorptive connector 2b is carried out to spacing, shaping, cleaning. Wherein, the exit of described pipe arrangement 1 is in the time that reducing forms pipe linkage section 11, due to the material restriction of pipe arrangement 1, angle between the inwall of the converging transition B of described pipe linkage section 11 and narrow footpath section C is conventionally at 150-160 degree, therefore, when described sound-absorptive connector 2b is located in described pipe linkage section 11 when interior, in order to ensure the laminating degree between described sound-absorptive connector 2b and the inwall of described pipe linkage section 11, preferably, the angle between the outer wall of described converging transition B and the outer wall of described narrow footpath section C is 150-160 degree.
Further, the longitudinal section of the inwall of described converging transition B is trapezoidal, and described two trapezoidal waist angles are 40-90 degree. Like this, in the time that refrigerant is flowed through described sound-absorptive connector 2b, because the junction of the converging transition B of described sound-absorptive connector 2b and the inwall of narrow footpath section C is comparatively level and smooth, can reduce the impulsive force in described refrigerant flow process, reduce the flow noise of refrigerant in the time flowing through described sound-absorptive connector 2b, further improve the erasure effect of described sound-absorptive connector 2b.
Wherein, described limiting component 4 is not limited, in one embodiment of the invention, described sound-absorptive connector 2b comprises entrance point and the port of export successively along the flow direction of refrigerant, described limiting component 4 comprises and being arranged on described pipe linkage section 11 inwalls, and the stupefied circle 14 of projection connecting with the entrance point of described sound-absorptive connector 2b. Adopt this structure, described sound-absorptive connector 2b can be fixed in described pipe linkage section 11, with respect to passing through to increase tube connector in prior art, between described tube connector and described pipe arrangement 1, welding fixes described sound-absorptive connector 2a, can improve the fixing fastness of described sound-absorptive connector 2b, simplify manufacture craft, and can further improve erasure effect.
Set-up mode to the stupefied circle 41 of described projection does not limit, and preferred, the stupefied circle 41 of described projection forms by be installed with slot rolling 42 on described pipe linkage section 11 outer walls. Described slot rolling 42 can directly inwardly be pushed and obtain on the outer tube wall of described pipe arrangement 1 by channelling machine or mould, simple to operation, saves time, and improves make efficiency.
Wherein, it should be noted that, when push formation slot rolling 42 on described pipe linkage section 11 by mould, utilize the larger characteristic of extensibility of brass, can ensure to push slot rolling 42 time, pipe linkage section 11 be not easy to break, certainly,, at this, can prevent from breaking in extrusion process and produce the phenomenon of leakage by adjusting the pipe thickness of described pipe arrangement 1.
Wherein, the shape of described slot rolling 42 is not limited, preferred, the shape of cross section of described slot rolling 42 is semicircle. Adopt this structure, can on the inwall of described pipe linkage section 11, form shape of cross section is semicircular annular projection, entrance point and the described annular projection of described sound-absorptive connector 2b are connected, thereby described pipe linkage section 11 can be lived described sound-absorptive connector 2b firm grip, in the time that refrigerant is flowed through described sound-absorptive connector 2b, can ensure that described sound-absorptive connector 2b is fixedly secured and do not shake.
Wherein, the degree of depth to described slot rolling 42 does not limit, in the time that refrigerant is flowed through described pipe linkage section 11, refrigerant becomes high pressure refrigerant under the effect of compressor, impulsive force to described pipe linkage section 11 is larger, in order to make described sound-absorptive connector 2b durable in use, preferred, the degree of depth of described slot rolling 42 is 0.5-1.5mm.
It should be noted that, because described sound-absorptive connector 2b is fixed in described pipe linkage section 11 by the stupefied circle 41 of described projection, the stupefied circle 41 of described projection can apply a position-limiting action power consistent with refrigerant flow direction to described sound-absorptive connector 2b, in operation of air conditioner process, in the time that needs heat, can there is adverse current in refrigerant, along with refrigerant constantly flowing in described sound-absorptive connector 2b, in order to prevent that described sound-absorptive connector 2b from shaking or coming off in operation of air conditioner process, further, described sound-absorptive connector 2b is subject to the stupefied circle 41 of described projection and is more than or equal to 200N along the position-limiting action power on refrigerant flow direction in described pipe linkage section 11.
Wherein, wide path A, converging transition B to described sound-absorptive connector 2b and the length of narrow footpath section C do not limit, different air-conditioning type differences, the size of needed sound-absorptive connector 2b is also different, different air conditioners, the factor that produces noise in running is also different, and the noise level of generation is also different, therefore, the length of the wide path A of described sound-absorptive connector 2b, converging transition B and narrow footpath section C can arrange according to actual noise.
Exemplary, the length that the narrow footpath section C of described sound-absorptive connector 2b stretches out described pipe linkage section 11 outsides can be 3mm.
Wherein, the tubular form of described pipe arrangement 1 is not limited, the body of described pipe arrangement 1 can be that straight tube can be also bend pipe. In the time that the body of described pipe arrangement 1 is bend pipe, can on the outer wall of described pipe arrangement 1, carry out slot rolling to described sound-absorptive connector 2 carry out spacing after, described pipe arrangement 1 is carried out to forming elbow, to meet the demand of different air-conditioning systems to pipe arrangement 1.
Further, it should be noted that, in the time that the pipe linkage section 11 of the section C outside, narrow footpath by described sound-absorptive connector 2b welds with electric expansion valve, because the fusing point of brass is 940-970 DEG C, the fusing point of red copper is 1080 DEG C, silver solder (fusing point is 645-790 DEG C) by 2% between described electric expansion valve and described pipe linkage section 11 welds, in operating process, because sound-absorptive connector 2b is wrapped in described pipe linkage section 11, therefore, can only complete welding by experience or by the change color of observing electric expansion valve outside, found through experiments, the approximately time of 5s, described sound-absorptive connector 2b will weldedization, required precision to welding is higher, the more difficult assurance operating time.
In a preferred embodiment of the present invention, described sound-absorptive connector 2b is red copper material. Adopt red copper sound-absorptive connector 2b, in the time of welding, cause without worrying welding operation overlong time that pipe linkage section 11 is interior to be stopped up, can stop to weld stifled hidden danger, lower to the required precision of welding.
On the other hand, the embodiment of the present invention provides a kind of air-conditioning, comprises the pipe arrangement with sound deadening as described above.
The embodiment of the present invention provides a kind of air-conditioning, wherein, described air-conditioning comprises the pipe arrangement with above-mentioned sound-absorptive connector, because described sound-absorptive connector is located in the pipe linkage section of described pipe arrangement outlet, described sound-absorptive connector comprises wide path successively along the flow direction of refrigerant, converging transition and narrow footpath section, and the inwall of the outer wall of described sound-absorptive connector and described pipe linkage section fits, therefore, by being set, limiting component stop described sound-absorptive connector along the direction contrary with the refrigerant flow direction described pipe linkage section that slips away, described sound-absorptive connector can be fixed in described pipe linkage section, further, in the time that the pipe linkage section of described pipe arrangement and described electric expansion valve are welded and fixed, described sound-absorptive connector is wrapped in described pipe linkage section, easy weldedization can avoid described sound-absorptive connector directly to weld with described electric expansion valve time, do not need additionally to increase tube connector and just can realize fixing described sound-absorptive connector, in the time that refrigerant is flowed through described sound-absorptive connector, reducing by undergauge section can be broken the bubble in refrigerant, eliminate refrigerant flow noise, the pipe arrangement cost that the embodiment of the present invention provides, manufacture craft is simple, can save time, enhance productivity. overcome in prior art in the time that sound-absorptive connector is welded and fixed, need to increase a tube connector described sound-absorptive connector is fixed, made that cost is higher, the long and lower defect of production efficiency of complex manufacturing technology, working hour.
Below, the embodiment of the present invention arranges experimental example the erasure effect that adopts red copper sound-absorptive connector described above and existing brass sound-absorptive connector is contrasted. These experimental examples are only the examples proposing in order to illustrate the present invention, and what those skilled in the art can know is the restriction that scope of the present invention is not subject to these experimental examples.
Experimental example 1
The pipe arrangement of the pipe arrangement of the red copper sound-absorptive connector providing with the embodiment of the present invention and existing brass sound-absorptive connector is disposed at respectively in described air-conditioning, carry out noise test, air-conditioning is set to the high wind shelves of cooling condition, test result is referring to Fig. 4, wherein, a curve is the noise intensity curve that disposes red copper sound-absorptive connector, and b curve is the noise intensity curve that disposes brass sound-absorptive connector.
As can be seen from Figure 4, the noise intensity of a curve and b curve is suitable.
Experimental example 2
The pipe arrangement of the pipe arrangement of the red copper sound-absorptive connector providing with the embodiment of the present invention and existing brass sound-absorptive connector is disposed at respectively in described air-conditioning, air-conditioning is set to the apoplexy shelves of cooling condition, carry out noise test, test result is referring to Fig. 5, wherein, a curve is the noise intensity curve that disposes red copper sound-absorptive connector, and b curve is the noise intensity curve that disposes brass sound-absorptive connector.
As can be seen from Figure 5, the noise intensity of a curve and b curve is suitable.
Embodiment 3
The pipe arrangement of the pipe arrangement of the red copper sound-absorptive connector providing with the embodiment of the present invention and existing brass sound-absorptive connector is disposed at respectively in described air-conditioning, air-conditioning is set to the low wind shelves of cooling condition, carry out noise test, test result is referring to Fig. 6, wherein, a curve is the noise intensity curve that disposes red copper sound-absorptive connector, and b curve is the noise intensity curve that disposes brass sound-absorptive connector.
As can be seen from Figure 6, the noise intensity of a curve and b curve is suitable.
Embodiment 4
The pipe arrangement of the pipe arrangement of the red copper sound-absorptive connector providing with the embodiment of the present invention and existing brass sound-absorptive connector is disposed at respectively in described air-conditioning, air-conditioning is set to the high wind shelves of heating condition, carry out noise test, test result is referring to Fig. 7, wherein, a curve is the noise intensity curve that disposes red copper sound-absorptive connector, and b curve is the noise intensity curve that disposes brass sound-absorptive connector.
As can be seen from Figure 7, the noise intensity of a curve and b curve is suitable.
Embodiment 5
The pipe arrangement of the pipe arrangement of the red copper sound-absorptive connector providing with the embodiment of the present invention and existing brass sound-absorptive connector is disposed at respectively in described air-conditioning, air-conditioning is set to the apoplexy shelves of heating condition, carry out noise test, test result is referring to Fig. 8, wherein, a curve is the noise intensity curve that disposes red copper sound-absorptive connector, and b curve is the noise intensity curve that disposes brass sound-absorptive connector.
As can be seen from Figure 8, the noise intensity of a curve and b curve is suitable.
Embodiment 6
The pipe arrangement of the pipe arrangement of the red copper sound-absorptive connector providing with the embodiment of the present invention and existing brass sound-absorptive connector is disposed at respectively in described air-conditioning, air-conditioning is set to the low wind shelves of heating condition, carry out noise test, test result is referring to Fig. 9, wherein, a curve is the noise intensity curve that disposes red copper sound-absorptive connector, and b curve is the noise intensity curve that disposes brass sound-absorptive connector.
As can be seen from Figure 9, the noise intensity of a curve and b curve is suitable.
In summary, when the red copper sound-absorptive connector that the embodiment of the present invention provides is applied to air-conditioning system, the erasure effect of its erasure effect and existing brass sound-absorptive connector is suitable, and in embodiments of the present invention, sound-absorptive connector is located in the pipe linkage section of described pipe arrangement outlet, and when the pipe linkage section of the section outside, narrow footpath of described sound-absorptive connector and electric expansion valve are welded, described sound-absorptive connector can be fixed between described pipe linkage section and described electric expansion valve, thereby can avoid described weldedization of sound-absorptive connector, do not need additionally to increase tube connector and just can realize fixing described sound-absorptive connector, simultaneously, in the time that refrigerant is flowed through described sound-absorptive connector, reducing by undergauge section can be broken the bubble in refrigerant, eliminate refrigerant flow noise, the pipe arrangement cost that the embodiment of the present invention provides, manufacture craft is simple, can save time, enhance productivity. overcome in prior art in the time that sound-absorptive connector is welded and fixed, need to increase a tube connector described sound-absorptive connector is fixed, made that cost is higher, the long and lower defect of production efficiency of complex manufacturing technology, working hour.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a pipe arrangement with sound deadening, is characterized in that, comprising:
Near the pipe linkage section of described pipe arrangement outlet;
Sound-absorptive connector, described sound-absorptive connector is located in described pipe linkage section, described sound-absorptive connector edgeThe flow direction of refrigerant comprises wide path, converging transition and narrow footpath section successively, and described sound-absorptive connectorThe inwall of outer wall and described pipe linkage section fits;
Limiting component, described limiting component for stop described sound-absorptive connector along with the stream of described refrigerantThe direction of the moving opposite direction described pipe linkage section that slips away.
2. pipe arrangement according to claim 1, is characterized in that, described in described converging transition is closeThe external diameter of wide path equates with the external diameter of described wide path.
3. pipe arrangement according to claim 1, is characterized in that, the outer wall of described converging transition withAngle between the outer wall of described narrow footpath section is 150-160 degree.
4. pipe arrangement according to claim 1, is characterized in that, the inwall of described converging transitionIt is trapezoidal that longitudinal section is, and described two trapezoidal waist angles are 40-90 degree.
5. pipe arrangement according to claim 1, is characterized in that, described sound-absorptive connector is along refrigerantFlow direction comprise successively entrance point and the port of export, described limiting component comprises and is arranged on described pipeOn linkage section inwall, and the stupefied circle of projection connecting with the entrance point of described sound-absorptive connector.
6. pipe arrangement according to claim 5, is characterized in that, the stupefied circle of described projection passes throughOn described pipe linkage section outer wall, be installed with slot rolling and form.
7. pipe arrangement according to claim 6, is characterized in that, the cross section shape of described slot rollingShape is semicircle.
8. pipe arrangement according to claim 6, is characterized in that, the degree of depth of described slot rolling is0.5-1.5mm。
9. according to the pipe arrangement described in claim 1-8 any one, it is characterized in that, described noise reduction connectsHead is red copper material.
10. an air-conditioning, is characterized in that, comprises the tool as described in claim 1-9 any oneThere is the pipe arrangement of sound deadening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510582029.XA CN105588317A (en) | 2015-09-14 | 2015-09-14 | Tubing with noise reduction function and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510582029.XA CN105588317A (en) | 2015-09-14 | 2015-09-14 | Tubing with noise reduction function and air conditioner |
Publications (1)
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| CN105588317A true CN105588317A (en) | 2016-05-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450868A (en) * | 2016-11-04 | 2017-02-22 | 吉林省中赢高科技有限公司 | Aluminum terminal and copper-aluminum transition connector |
| CN110056982A (en) * | 2019-04-30 | 2019-07-26 | 邯郸美的制冷设备有限公司 | Air-conditioner outdoor unit and its piping components |
| CN114029576A (en) * | 2020-09-08 | 2022-02-11 | 青岛海信日立空调系统有限公司 | Method for welding opening of expansion valve |
-
2015
- 2015-09-14 CN CN201510582029.XA patent/CN105588317A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450868A (en) * | 2016-11-04 | 2017-02-22 | 吉林省中赢高科技有限公司 | Aluminum terminal and copper-aluminum transition connector |
| CN106450868B (en) * | 2016-11-04 | 2019-03-26 | 吉林省中赢高科技有限公司 | A kind of aluminium terminal and copper-aluminium transition connector |
| US10707591B2 (en) | 2016-11-04 | 2020-07-07 | Jilin Zhong Ying High Technology Co., Ltd | Aluminum terminal and copper-aluminum transition connector |
| CN110056982A (en) * | 2019-04-30 | 2019-07-26 | 邯郸美的制冷设备有限公司 | Air-conditioner outdoor unit and its piping components |
| CN114029576A (en) * | 2020-09-08 | 2022-02-11 | 青岛海信日立空调系统有限公司 | Method for welding opening of expansion valve |
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