CN100523498C

CN100523498C - A compressor

Info

Publication number: CN100523498C
Application number: CNB2005800245417A
Authority: CN
Inventors: E·奥古茨; B·埃林西恩
Original assignee: Arcelik AS
Current assignee: Arcelik AS
Priority date: 2004-07-23
Filing date: 2005-07-12
Publication date: 2009-08-05
Anticipated expiration: 2025-07-12
Also published as: ATE409282T1; DE602005009960D1; CN101027483A; WO2006011082A1; ES2313372T3; EP1771660A1; EP1771660B1; DK1771660T3; TR200700267T1

Abstract

This invention relates to a compressor (1) with a suction muffler (4) comprising a flow leading pipe (9) which enables the transfer of fluid into the cylinder (2) with less pressure loss and/or less heating up.

Description

Compressor

Technical field

The present invention relates to a kind of compressor, described compressor comprises the suction muffler that can reduce noise.

Background technique

Suction muffler in the described compressor be used for decaying pressure surge that the iterative motion of the motion that periodically opens and closes owing to air valve and piston produces and the power noise level that reduces described compressor.However, the performance of described compressor be subjected to a great extent owing in baffler, conduct heat and stream in the influence that reduces of the fluid density that causes of the pressure loss.In the prior art, big volume is set usually to reduce fluid pressure loss before suction port, because the fluid that holds in this big volume is carried out several times circulation heating, the capacity of described compressor and performance all can reduce.Though can be close to and not adopt enclosed construction before the described suction port but be achieved less heat transfer by the inlet that conduit directly connects suction port, but because the suction fluid makes the pressure loss increase by described pipeline, and because the diameter of the described pipeline that has increased has hindered the decay to the power noise level.

In the prior art, disclosed as U.S. Patent No. US4755108, suction muffler in the hermetic compressor (suction muffler) comprises the main body that is used to reduce the pressure loss, avoids superheating fluid and attenuate pressure wave to move, and also comprises the independent exhaust chamber on the extraction manifold that is arranged on cylinder head.The main body of described baffler is made up of two chambers, thereby is to be used for being connected with the absorption pipeline of described compressor by radial opening being communicated with above-mentioned these two enclosed construction fluids from the pipeline that the import of baffler begins.Usually use metal coil springs to reduce the metal surface of cylinder head and be arranged on contact between the exit portion of the baffler on the cylinder head.Can not avoid the heating of fluid in such application fully, because that part of the centering on as fluid accumulator has the metal surface in cylinder head, and the volume of described reservoir can not satisfy the requirement of big capacity compressor.

In the prior art, as International Patent Application WO 00/52334 disclosed suction muffler, its inside is separated into two resonator chamber, and its effect is the efficient that reduces the power noise level of compressor and increase hermetic compressor.Described baffler comprise the rectangular prism shape open-topped sky lower element and as the upper element of lid.Described upper element as lid comprises cavity and tubular of can be communicated with the suction port of described compressor, two pieces that are interconnected are arranged on the inside of described baffler, and in other words described baffler is mainly formed by the lower element of rectangular prism shape with as the upper element of lid.Described has constituted T shape when connecting, and one of them piece has a plurality of pins and projection and is used for correspondingly with another jack and dimple, relies on above-mentioned structure that these two-part are interconnected.Upper element as lid when the interior section that comprises above-mentioned two pieces is arranged on the bottom of described baffler is closed, and described upper element and internal block have been formed the 3rd volume that is similar to extraction manifold.In described baffler, when described two plates utilize the pin on it to be interconnected to constitute T shape and to be arranged on it in described main body with projection muffler chamber two identical resonator chamber and the outlet chamber that is positioned at top section have been separated into after described interconnects.In this class was used, the variation of volume can realize by adjusting as the height of that part of volume of drawing reservoir.When described volume is very big, reduce described capacity thereby will increase with heating the standby time of described fluid.The minimizing of the distance of draw fluid highly reducing in the mode of volume by reducing, owing to will make the pressure loss increase between two horizontal planes.In order to address the above problem, introduce two coacting be arranged on interconnect on the piece and to have only its separating surface be the etui that is communicated with.Like this, the hot transmission of wall thickness minimizing that just might under the situation of the height that need not too reduce described reservoir, reduce described volume and pass through described two etuis.

Summary of the invention

The objective of the invention is to realize that by such compressor described compressor comprises the suction muffler that wherein has fluid to flow through, and the described fluid that enters cylinder has the less pressure loss and/or less heating.

Description of drawings

Utilize accompanying drawing to realize that to being used for the compressor of the object of the invention is illustrated, wherein:

Fig. 1 is the sectional drawing of compressor;

Fig. 2 is the perspective view of suction muffler.

Fig. 3 is the schematic representation of suction muffler.

Fig. 4 is the perspective exploded view of suction muffler.

Fig. 5 is arranged on the perspective view of the fluid conduit systems that comprises suction chamber on the separator.

Fig. 6 is a schematic representation of using the replacement of baffler in the present invention.

Fig. 7 is a schematic representation of using another replacement of baffler in the present invention.

The reference character of element shown in the figure is as follows:

1, compressor

2, cylinder

3, cylinder head

4, suction muffler

5, valve plate

6, silencing end

7, muffler head

8, baffler suction port

9, fluid conduit systems

10, opening

11, suction chamber

12, separator

13, suction chamber inlet

14, suction chamber outlet

15, resonator chamber

16, guide way

17, muffler body

18, housing

Embodiment

In domestic. applications, especially on refrigeration plant, utilize compressor to finish the circulation of fluid of refrigerant gas usually.

Described compressor 1 comprises the cylinder 2 of pumping circulation fluid, be arranged on the cylinder head that is used to guide the circulation of fluid that is pumped and draws 3 on the described cylinder 2, described cylinder head 3 is arranged on the valve plate 5, the preferred suction muffler of being made by the plastics that can reduce acoustic energy 4 can make circulation of fluid not have by inner loop and arrive described cylinder 2 heatedly and can eliminate the noise that may be produced by described circulation of fluid.

Described suction muffler 4 comprises its muffler body that is provided with a plurality of parts 17, one or more separators 12 are separated into zones of different with the inside of described muffler body 17, and the inside of the described muffler body of being separated by described separator 12 17 has formed at least two resonator chamber 15 that are used for attenuation vibration.Muffler head 7 can be fixed on described baffler on the described cylinder head 3, the silencing end 6 that is arranged on the described muffler head 7 can be delivered to circulation of fluid in the cylinder 2, baffler suction port 8 is inlets of described circulation of fluid, one or more fluid conduit systems 9 are arranged in the described resonator chamber 15, flow to silencing end 6 by these fluid conduit systems 9 described circulation of fluids from described baffler inlet 8, suction chamber 11 is arranged on the described fluid conduit systems 9 and does not contact with described muffler body 17, therefore the effect that can play the minimizing acoustic energy of fluid accumulator also can be with the described fluid of the heat transferred of minimum, one or more openings 10 are arranged in the described fluid conduit systems 9, thereby each fluid conduit systems 9 is moving at a resonator chamber 15 split shed attenuate pressure waves at least.

Described suction chamber 11 comprises suction chamber inlet 13 and the suction chamber outlet 14 that all is communicated with fluid conduit systems 9.

Described muffler body 17 comprise one or more be used to connect separator 12 connect guide way 16 and housing 18 that can fastening described suction muffler import 8.

In a preferred embodiment of the invention, described suction chamber 11 is arranged on the described separator 12.

In another the preferred embodiments of the present invention, the flow direction of described suction muffler 4 described fluids is provided with suction chamber 11, and the cross-section area of described suction chamber 11 is bigger than the cross-section area of described fluid conduit systems 9.

In another preferred embodiment of the present invention; described suction muffler 4 comprises suction chamber 11; described suction chamber 11 can form just with the much the same fluid displacement of swept volume before drawing and guarantee substantially to be fed in the cylinder 2 with the fluid of above-mentioned volume, thereby reduced the pressure loss and/or reduce heat transfer.

In described application, the objective of the invention is, when cryogenic fluid when the vaporizer that is connected with compressor 1 flow to described compressor 1, described cryogenic fluid enters into suction muffler 4 by described suction port 8.The fluid that flows in the described fluid conduit systems 9 in suction muffler 4 at first enters described suction chamber 11 and is delivered in the cylinder 2 by described silencing end 6.When sucking valve plate when the suction phase of described compressor 1 is opened, fluid sucks from muffler head 7.Described suction chamber 11 is communicated with by suction chamber outlet 14, and the liquid of compressor described in the induction stroke 1 be from have certain and described swept volume equate or the suction chamber 11 of higher volume begins starting, so reduced the loss of suction phase.Therefore, the baffler that only flows through pipeline with fluid is compared, and the present invention has superiority by reducing input power.

In further application of the invention, suction muffler 4 comprises the suction chamber 11 that is arranged on its underpart, can make about 180 ° of the fluid diverting that is flowing in the described fluid conduit systems 9.Be arranged on suction chamber 11 in the pipeline section that makes the about 180 ° described fluid conduit systems 9 of the fluid diverting that flows through and be not only as fluid circuit but also as baffler, and help attenuate pressure wave to move (Fig. 4).

In for the application that realizes purpose of the present invention, owing to being independent of described muffler body 17, described suction chamber 11 is arranged on the described separator 9, be arranged in described suction muffler 4 and do not contact with described suction muffler main body 17, so the volume of suction chamber 11 is adjustable when needed, and the special wall thickness that utilizes described suction chamber 11 reduces and transfers heat to described fluid, and described special wall thickness is to isolate by described muffler body 17 and external environment.

In another application of the invention, suction muffler 4 comprises suction chamber 11 and the fluid conduit systems of being made up of thermoinsulation material 9.

In an application of the invention, because the small capacity that described suction chamber 11 has, so thereby heat transfer area has reduced to prevent the heating of fluid, because be draw fluid from this little volume in cyclic process, therefore reduced the pressure loss, simultaneously, utilize the usefulness of this additional volume to be its attenuation to sound wave.

Claims

1, compressor (1), described compressor comprises: make the circulation of fluid can be at the cylinder (2) of inner pumping; Make fluid arrive described cylinder (2) and do not have heating and eliminate the suction muffler (4) of the noise that produces by described circulation of fluid in inner loop reducing under the acoustic energy; The muffler body (17) of arranging part is arranged on it; And be arranged on the inner one or more fluid conduit systems (9) that flow through for circulation of fluid of described muffler body (17); It is characterized in that, suction muffler (4) comprising: be arranged on the suction chamber (11) on the described fluid conduit systems (9), make the heat that passes to fluid reduce to minimum by not contacting, play the effect of fluid accumulator and inner acoustic energy is reduced with described muffler body (17).

2, compressor according to claim 1 (1) is characterized in that, baffler (4) comprises that one or more inside with described muffler body (17) are separated into the separator (12) of zones of different; By the separator (12) of described attenuation vibration the inside of described muffler body (17) is separated to form at least two resonator chamber (15); And be arranged on suction chamber (11) at least one described resonator chamber (15).

3, compressor according to claim 1 and 2 (1) is characterized in that, suction muffler (4) comprises the guiding suction that is arranged on the cylinder (2) and the cylinder head (3) of pumping circulation fluid, can be connected to the muffler head (7) of cylinder head (3); Be arranged on the silencing end (6) that circulation of fluid can be flowed to described cylinder (2) on the muffler head (7); Can suck the baffler suction port (8) of circulation of fluid; And form fluid conduit systems (9) outlet by described baffler suction port (8) and described silencing end (6).

4, compressor according to claim 1 and 2 (1) is characterized in that, suction muffler (4) comprises suction chamber (11) on the flow direction of described fluid, and the cross-section area of described suction chamber (11) is bigger than the cross-section area of described fluid conduit systems (9).

5, compressor according to claim 1 and 2 (1), it is characterized in that, suction muffler (4) comprises suction chamber (11), described suction chamber (11) can form the fluid displacement identical with swept volume before drawing, and, and to reduce the pressure loss and/or to reduce the draw fluid and supplying fluid in the cylinder (2) of conducting heat down in this volume.

6, compressor according to claim 1 and 2 (1) is characterized in that, suction muffler (4) comprises the suction chamber (11) that is arranged on the described separator (12).

7, compressor according to claim 1 and 2 (1) is characterized in that, suction muffler (4) comprises suction chamber (11), and described suction chamber (11) has the absorption inlet (13) that is connected to fluid conduit systems (9) and draws outlet (14).

8, compressor according to claim 1 and 2 (1), it is characterized in that, suction muffler (4) comprises the suction chamber (11) of the effect of playing fluid accumulator, fluid flowing path and baffler, described suction chamber (11) is arranged under the described fluid conduit systems (9), so that fluid carries out about 180 ° turning to.

9, compressor according to claim 1 and 2 (1) is characterized in that, suction muffler (4) comprises suction chamber (11), utilizes the extra wall thickness of described suction chamber (11) to reduce the heat that is delivered to described fluid.

10, compressor according to claim 1 and 2 (1) is characterized in that, draws silencing apparatus (4) and comprises suction chamber (11) and the fluid conduit systems (9) that is made of thermoinsulation material.