CN1303325C - Enclosure compressor - Google Patents

Abstract

A package type compressor is provided to efficiently cool a compressor body or the like by sufficiently feeding cooling air into a soundproof box. A partitioning plate(16) provided in a soundproof box(1) comprises a vertical plate(16A) having an air intake duct(17) in a space to a rear surface plate(3) of the soundproof box, a transverse plate(16B) having a discharge duct(18) in a space to a top surface plate(7), and a cooling air flow port(16C) provided at the vertical plate to define the air intake duct and the discharge duct partitioned vertically in the soundproof box. A discharge port(20) having a large opening area almost over the whole range in the horizontal direction of the top surface plate is provided and thus a large amount of cooling air flows in the soundproof box and a compressor body is efficiently cooled.

Description

Enclosure compressor

Technical field

The present invention relates to compressor body with compressed fluid and be housed in enclosure compressor in the sound insulation box.

Background technique

General enclosure compressor roughly is made of sound insulation box and the compressor body that is arranged on compressed fluid in this sound insulation box, its sound insulation box is surrounded by front panel, rear board, left and right sides panel, base plate and top board, the noise that produces when reducing the compressor body action by sound insulation box.

But this enclosure compressor is cooled off compressor body by the cooling blast that flows in sound insulation box usually, rise to suppress soundproof the temperature inside the box, thus the durability of raising Driven Compressor body.For this reason, in sound insulation box, be provided with and make aspirating air pipe and the exhaust duct (for example, the spy opens flat 3-164583 communique etc.) that a large amount of cooling blasts flow in this sound insulation box.

But, the enclosure compressor of making by prior art, because at the rear board setting that constitutes sound insulation box rearward outstanding aspirating air pipe and exhaust duct, institute exists to have increased the problem in the space that this enclosure compressor is set so that enclosure compressor integral body maximizes.

Relative therewith, in another prior art, also disclose by forming aspirating air pipe and exhaust duct in sound insulation box, can be with a large amount of cooling blasts cooling compressor body efficiently, and can suppress and reduce the enclosure compressor that the space is set.

Below, with reference to Figure 13 the enclosure compressor of an above-mentioned back prior art is described.

Among the figure, the 101st, sound insulation box, this sound insulation box 101 are surrounded by front panel 102, rear board 103, Left-Hand Panel 104, right panel 105, base plate 106 and top board 107 and form cubical case shape.

108 are arranged on first dividing plate in the sound insulation box 101, this dividing plate 108 the state of facing with rear board 103 from base plate 106 to top board 107 up and down direction extend.109 are provided in a side of the second partition between rear board 103 and the dividing plate 108, and this dividing plate 109 is positioned at the central part of rear board 103 and dividing plate 108 left and right directions, the 107 direction extensions up and down from base plate 106 to top board.

Thus, form aspirating air pipe 110 and exhaust duct 111 about being divided into by dividing plate 109 between plate 103 and the dividing plate 108 in the back.In addition, form the containing space 112 of placing the compressor body (not shown) in front between plate 102 and the dividing plate 108.

In addition, on dividing plate 108, be formed on the cooling air introducing port 108A of aspirating air pipe 110 openings and at the cooling air export mouth 108B of exhaust duct 111 openings.And then, on right panel 105, be formed on the intakeport 105A of aspirating air pipe 110 openings, on top board 107, be formed on the relief opening 107A of exhaust duct 111 openings.

Then, when cooling fan when compressor action (all not shown) rotates, cooling air after the intakeport 105A of right panel 105 is drawn into the aspirating air pipe 110, imports in the containing space 112 through the cooling air introducing port 108A of dividing plate 108 shown in arrow A among Figure 13.Then, import cooling air in the containing space 112 and cooled off after the compressor body in this containing space 112 etc., the cooling air export mouth 108B guiding exhaust duct 109 from dividing plate 108 is discharged to the outside through the relief opening 107A of top board 107.

In addition, have the changer of easy control motor in existing enclosure compressor, this changer is accommodated the state of case and is installed in the sound insulation box to be placed on changer.

Summary of the invention

But, in the enclosure compressor of described prior art, in the back between plate 103 and the dividing plate 108 since the aspirating air pipe of cutting apart by dividing plate 109 110 and exhaust duct 111 form side by side at left and right directions, so only intakeport 105A is set, and only the exhaust duct 111 side left sides that are positioned in top board 107 are provided with relief opening 107A in the right panel 105 that is positioned at aspirating air pipe 110 sides.

Like this, the opening area of relief opening 107A just limits very for a short time, and cool air is fully circulated, and has the problem of cooling compressor body effectively.

In addition, owing to only intakeport 105A is set in right panel 105, so in the time of in enclosure compressor being arranged on buildings such as factory, must make the right panel 105 that intakeport 105A is set leave the wall of building, the problem that is subjected to being provided with the restriction of enclosure compressor place in building is arranged.

In addition, the enclosure compressor that forms aspirating air pipe and exhaust duct in sound insulation box circulates a large amount of cooling airs, effectively the cooling compressor body generally by enlarging the opening area of intakeport and relief opening in sound insulation box.

But when enlarging the opening area of intakeport and relief opening, the noise that produces from compressor body is easy to emit to the outside through intakeport and relief opening, has the problem that the enclosure compressor surrounding working environment is worsened.

In addition, on the enclosure compressor of the prior art with changer, the transducer that keeps changer in sound insulation box in being provided with is accommodated case.But changer is because with electric components such as switching element formation, so produce heat when operation.Like this, when being placed in the sound insulation box that is easy to be full of heat, can not fully cool off changer, exist the temperature of changer to rise and surpass the problem of specified reference value to changer (changer is accommodated case).At this moment, when the temperature of changer rose, the temperature of the capacitor in changer also rose, and capacitor according to its characteristic of temperature variation big variation (for example capacitor environment temperature 10 ℃ of its life-spans of rising just reduce half) takes place also.

The present invention proposes in view of above-mentioned prior art problems, and it is a kind of by making fully circulate efficient cooling compressor body and can freely determine to be provided with the enclosure compressor in place of cooling air in the sound insulation box that its purpose is to provide.

In addition, another purpose of the present invention provides a kind of the inhibition and sends to the sound insulation box outside from the noise that compressor body sends, and can improve the enclosure compressor of surrounding working environment.

In addition, even further object of the present invention provides and a kind ofly also can cool off the enclosure compressor of changer efficiently at state in the sound insulation box that changer is placed on.

For addressing the above problem, first aspect present invention comprises: by the forward and backward sound insulation box that surrounds with left and right sides panel, bottom panel and top board; Be located at the compressor body of compressed fluid in the described sound insulation box; Be located at described sound insulation box and in described sound insulation box, import the intakeport of cooling air; Derive the relief opening of cooling air to the outside.

And the design feature of a first aspect of the present invention is: dividing plate is set in described anti-audio amplifier; Its with described each side panel in a side panel relative status under above-below direction extend; And a described side panel between form aspirating air pipe; At described dividing plate the cooling airflow port that the cooling air that sucks from described aspirating air pipe is circulated in the main chamber of the compressor body side that is arranged on described anti-audio amplifier is set; At least one side of side panel in the both sides of a described side panel arranges the described air entry to the aspirating air pipe inner opening

In addition, with described aspirating air pipe above described top board between the space is communicated with the main chamber is set, the described relief opening of setting and described spatial communication on described top board.

According to such formation, during the compressor body action, suck cooling air from the intakeport that is arranged on the side plate that constitutes sound insulation box in aspirating air pipe, this cooling air is from the cooling airflow port of dividing plate cooling compressor body etc. in sound insulation box, and the relief opening through being located on the top board is discharged to the sound insulation box outside.

In addition, the structural feature of second aspect present invention: in described sound insulation box, dividing plate is set, in itself and described each side plate under side plate relative status above-below direction extend, form aspirating air pipe with the side plate of the both sides of a described side plate and a described side plate, the cooling airflow port that the cooling air that sucks from described aspirating air pipe is circulated in the main chamber of the compressor body side that is arranged on described sound insulation box is being set on the described dividing plate, in described intakeport from least one side of the side plate of described both sides to described aspirating air pipe inner opening is set, in addition, described relief opening is set on described top board.

According to such formation, during the compressor body action, suck cooling air from the intakeport that is arranged on the side plate that constitutes sound insulation box in aspirating air pipe, this cooling air is from the cooling airflow port of dividing plate cooling compressor body etc. in sound insulation box, and the relief opening through being located on the top board is discharged to the sound insulation box outside.

At this moment, can on top board, form the relief opening of large opening area, by making a large amount of cooling airflows in sound insulation box, efficient cooling compressor body etc.In addition, in the time of on enclosure compressor being arranged on buildings such as factory, since in constituting each side plate of sound insulation box with the not relative side plate of building wall on intakeport is set, can in sound insulation box, fully suck cooling air by this intakeport, so can freely in building, set the place that is provided with of enclosure compressor.

The enclosure compressor of third aspect present invention, be provided with to the outstanding side plate projection of dividing plate at a side plate, the position different with this side plate projection is provided with to the outstanding dividing plate projection of a side plate on dividing plate, and the sound absorbing material of absorption from the sound of compressor body generation is set on the surface of described each projection.

According to such formation, when the noise that produces when compressor body moves enters in the aspirating air pipe, while the noise that enters this aspirating air pipe reflect between a side plate and the dividing plate arrive intakeport during, conflict with side plate projection and dividing plate projection.This moment is owing to be provided with sound absorbing material on the surface of each projection, so can absorb the energy of noise by this sound absorbing material, can suppress noise passes to sound insulation box by intakeport outside.

The enclosure compressor of fourth aspect present invention comprises: by the forward and backward sound insulation box that surrounds with left and right sides panel, bottom panel and top board; Be located at the compressor body of compressed fluid in the described sound insulation box; Be located at described sound insulation box and in described sound insulation box, import the intakeport of cooling air; Derive the relief opening of cooling air to the outside; The dividing plate of cutting apart described air-breathing oral-lateral and exhaust side.In addition, the structural feature of fourth aspect present invention: in described each side plate, be provided with on the side plate relative to the outstanding side plate projection of described dividing plate with described dividing plate, on described dividing plate, be provided with to the outstanding dividing plate projection of a described side plate, the sound absorbing material of absorption from the sound of described compressor body generation is set on the surface of described each projection with the different position of described side plate projection.

According to such formation, the noise that when compressor body moves, enters this aspirating air pipe between a side plate and the dividing plate while reflect arrive intakeport during, conflict with side plate projection and dividing plate projection, by surface sound absorbing material is set and absorbs, can suppress noise passes to sound insulation box by intakeport outside in each projection.

The enclosure compressor of fifth aspect present invention, one of them side plate are the rear boards that constitutes in each side plate of sound insulation box, and the louver that the sound that produces from compressor body is emitted to the sound insulation box rear is set on this rear board.

According to such formation,, collide the noise that rear board reflexes to the front side again so can alleviate owing to can emit by the louver that plate in the back is provided with the part of the noise that produces from compressor body in the back of sound insulation box.

The enclosure compressor of sixth aspect present invention, described compressor body is by motor driving, the changer of the described motor of drive controlling in described sound insulation box is placed on transducer accommodates in the case, the periphery of accommodating case at described transducer is provided with the transducer cooling pipe that this transducer of encirclement is accommodated case and formed the cooling air passage, cooling air is set in described sound insulation box flows into the inflow entrance of described transducer cooling pipe and the cooling airflow that the described transducer cooling pipe of flowing through arrives is arrived outside outflow opening, in the cooling air passage in described transducer cooling pipe fan is set.

According to such formation, drive fan when the running enclosure compressor.This fan is forced into the cool air of sound insulation box outside in the pipeline from inflow entrance, and this air is different with the cooling air of cooling compressor body.Then, pipeline flows to outflow opening at the cooling air passage by the cooling air that flows into from inflow entrance, can cool off the changer that surrounds with this pipeline efficiently and accommodate case (changer).In addition, cooling changer and the cooling air of taking away heat can be discharged to the outside from outflow opening.

The enclosure compressor of seventh aspect present invention is provided for guiding the cooling air from the inflow entrance inflow to accommodate the guide plate that flows to outflow opening in the case again by transducer at described transducer cooling pipe.

According to such formation, when in pipeline, flowing into cooling air, because guide plate guides this cooling air to make it to accommodate case through transducer and flows to outflow opening, thus can prevent to cool off the cooling air circulation that changer has heat, and can often supply with cold cooling air to changer.

The enclosure compressor of the present invention the 8th, the 9th aspect, wherein said inflow entrance and outflow opening and described sound insulation box are being provided with one side.Thus, removing on other the face of face that inflow entrance and outflow opening are set, can dispose near wall.

Description of drawings

Fig. 1 is the stereogram of the enclosure compressor of the expression embodiment of the invention;

Fig. 2 sees that from the front enclosure compressor pulls down the front elevation of Qianmen state;

Fig. 3 amplifies expression with the sound insulation box after the right panel partly cut-away, compressor body, dividing plate, rear board projection, the right hand view of dividing plate projection etc.;

Fig. 4 is the sectional drawing that critical pieces such as the dividing plate among Fig. 3, rear board projection, dividing plate projection, sound absorbing material is amplified expression;

Fig. 5 is an exploded perspective view of representing rear board, rear board projection, louver, dividing plate, dividing plate projection etc. under the sound absorbing material state omitting;

Fig. 6 is the stereogram that the mobile part of cooling air is cut open in the expression sound insulation box under states such as omission compressor body;

Fig. 7 is the right hand view that is illustrated in the variation of appending guide plate on the dividing plate of the present embodiment partly cut-away identical with Fig. 3;

Fig. 8 is the exploded perspective view same with Fig. 5 in the variation of the rear board projection of omitting expression present embodiment under the sound absorbing material state, dividing plate projection;

Fig. 9 accommodates case, pipeline, fan etc. to the transducer of second embodiment of the invention to amplify the stereogram of the partly cut-away of expression with the part of right panel;

Figure 10 is, arrow IV-IV direction sees that the transducer of second embodiment of the invention accommodates the sectional arrangement drawing of the part of case, changer, pipeline, fan, right panel from Fig. 3;

Figure 11 accommodates the stereogram that case is represented to the pipeline of second embodiment of the invention with transducer from pipeline body lid being pulled down state;

Figure 12 accommodates the sectional arrangement drawing that the part of case, changer, pipeline, fan, right panel is represented with the guide plate of the variation of second embodiment of the invention with transducer;

Figure 13 represents the stereogram of the enclosure compressor of partly cut-away's prior art.

Embodiment

Below specify the enclosure compressor of the embodiment of the invention referring to figs. 1 through Fig. 8.

Among the figure, the 1st, the sound insulation box of formation enclosure compressor outside, this sound insulation box 1 arrives shown in Figure 3 as Fig. 1, surround by top board 7, form the roughly casing of cuboid as the upper end of the front panel 2 of front side side plate, rear board 3, Left-Hand Panel 4, right panel 5, the bottom panel 6 that seals the lower end side of these front panels 2, rear board 3, left and right sides panel 4,5, sealing front panel 2, rear board 3, left and right sides panel 4,5 as the right side side plate as the left lateral sides plate as the rear side side plate.In addition, in sound insulation box 1, form the containing space (main chamber) 8 of accommodating compressor body 11 described later, motor 12, air tank 14 etc.

At this, front panel 2 is made up of the right front panel 2B that is installed in the left front panel 2A on the top board 7 removably with the latch mechanism (not shown) and can be installed on the right panel 5 with the linkage (not shown) with opening and closing, and these left front panel 2A and right front panel 2B are to being placed on dismounting and switching when carrying out the maintaining operation such as compressor body 11 in the containing space 8.Then, the upside setting at right front panel 2B has the switch that is used for operate compressor body 11, the operation panel 9 of display device.

In addition,, intakeport 19 described later is set on the right panel 5, relief opening 20 described later is set on top board 7 at Left-Hand Panel 4.And then, rear board projection 21 described later is set in the back, each louver 24 on the plate 3.

The 10th, the containing space 8 that is arranged in sound insulation box 1 is arranged on the stationary platen on 6, and this stationary platen 10 is made of lower frame 10A and the upper ledge 10c that installs by many vertical frame 10B above this lower frame 10A.

The 11st, be positioned at the compressor body on the upper ledge 10c that containing space 8 is installed in stationary platen 10.This compressor body 11 forms has three cylinder 11A, 11B, the three-port type reciprocating compressor of 11C.Compressor body 11 compresses each cylinder 11A by driving the drive wheel 11D that is connected on the bent axle (not shown) by motor 12 described later, 11B, and the air among the 11C is sent into this pressurized air in the air tank 14 described later.

In addition, drive wheel 11D and cooling fan 11E form one, and the rotation of this cooling fan 11E by compressor body 11 actions and drive wheel 11D makes in the sound insulation box 1 and produce cooling air, this cooling air cooling compressor body 11 etc.

12 are mounted in the motor on the lower frame 10A of stationary platen 10, and drive wheel 12A is set on the output shaft of this motor 12, are overlapping driving belt 13 between the drive wheel 11D of this drive wheel 12A and compressor body 11.Motor 12 rotates by driving output shaft by changer 15 power supplies described later, through Driven Compressor bodies 11 such as driving belt 13, drive wheel 11D.

The 14th, be positioned at the air tank on the lower frame 10A that motor 12 left sides are installed in stationary platen 10, this air tank 14 is stored the pressurized air of discharging from compressor body 11, forms the cylindrical shape seal container of two ends obturation.In addition, on air tank 14 from the Left-Hand Panel 4 of sound insulation box 1 to outstanding compressed-air actuated conveying end 14A and the discharging conveying end 14B of being provided with in outside.

The 15th, be arranged on changer in the containing space 8 with compressor body 11 grades.This changer 15 is by comprising the high-pressure crystal tube elements, and low voltage transistor element, a plurality of electrical apparatus element that absorb the capacitor of the voltage of surging constitute, and control motor 12 by dc voltage conversion being become alternating voltage.

16 are arranged on the dividing plate in the sound insulation box 1, and this dividing plate 16 to shown in Figure 6, for example utilizes rectangular steel plate to make as Fig. 3, and it comprises: stringer board 16A, and it extends at the state above-below direction relative with the rear board 3 of sound insulation box 1; Transverse slat 16B, its upper end side and top board 7 by crooked this stringer board 16A forms backward panel 3 horizontal-extendings of certain space to surface state; Cooling airflow port 16C, its be located among the stringer board 16A with drive wheel 11D (cooling fan 11E) corresponding position of compressor body 11.

At this, the size of the above-below direction of stringer board 16A (height dimension) is set for littler than the height dimension of rear board 3.Then, the lower end of stringer board 16A is fixed on the bottom panel 6, and the rear end of the transverse slat 16B that extends from the upper lateral rear board 3 of stringer board 16A is fixed on the rear board 3.

Thus, between stringer board 16A, transverse slat 16B, rear board 3 and the left and right sides panel 4,5 of dividing plate 16, form the aspirating air pipe 17 in the containing space 8 that will import sound insulation box 1 by the cooling air that cooling fan 11E produces, between the transverse slat 16B and top board 7 of dividing plate 16, formation is with the exhaust duct 18 (space) of the outside of the guiding of the cooling air in the containing space 8 sound insulation box 1, and these aspirating air pipes 17 and exhaust duct 18 are communicated with through cooling airflow port 16C.

19, the 19th, on the left and right sides panel 4,5 that is arranged at sound insulation box 1 and at the left and right sides intakeport of aspirating air pipe 17 openings, this intakeport 19 is formed on the clathrate that above-below direction extends, 11E rotate by compressor body 11 action cooling fan, suck cooling air from the left and right side of sound insulation box 1 to aspirating air pipe 17.

20 are arranged on the top board 7 of sound insulation box at the relief opening of exhaust duct 18 openings, and this relief opening 20 forms the clathrate that almost runs through whole left and right directions, is used for the cooling air of exhaust duct 18 to the discharge of the top of sound insulation box 1.

Thereby, in compressor body 11 action and cooling fan 11E when rotating, cooling air is shown in the arrow B of Fig. 6, import in the aspirating air pipe 17 by intakeport 19, flow to the process of exhaust duct 18 through containing space 8 at cooling airflow port 16C, cool off compressor body 11 in this containing space 8 etc. from dividing plate 16.Then, by discharging to the outside of sound insulation box 1 by relief opening 20 from exhaust duct 18 with the cooling air of heat by cooling compressor body 11 grades.

In this case, the transverse slat 16B that is arranged on the dividing plate 16 of sound insulation box 1 is divided into two-part up and down with aspirating air pipe 17 and exhaust duct 18, exhaust duct 18 is owing to form between the transverse slat 16B of dividing plate 16 and top board 7, so can enlarge the opening area at the relief opening 20 of these exhaust duct 18 openings.Thus, by a large amount of cooling air of circulation, efficiently cooling compressor body 11 in sound insulation box 1.

In addition, because the left and right sides panel 4,5 in sound insulation box 1 is provided with intakeport 19 respectively, so when enclosure compressor is installed in the building of factory, for example left and right sides panel 4,5 in some during near the building wall, also can fully cooling air be drawn onto in the sound insulation box 1, can in building, freely set the mounting point of enclosure compressor by the intakeport 19 that is located in this left and right sides panel 4,5 another.

The 21st, the rear board projection that is provided with dividing plate 16 (stringer board 16A) opposing side in the plate 3 in the back.This rear board projection 21 has for example plate formation of the section shape of L type as shown in Figure 4 and Figure 5.In addition, methods such as rear board projection 21 usefulness welding are fixed on the rear board 3, and the state to give prominence to stringer board 16A, and direction is extended to the left and right.

The 22nd, be arranged on the dividing plate projection with rear board 3 opposing sides among the stringer board 16A of dividing plate 16, the plate of the section shape of L type constitutes this dividing plate projection 22 by for example having.In addition, dividing plate projection 22 is promptly fixed with welding method by rear board projection 21 downward positions in the position different with rear board projection 21, and with to the outstanding state of the stringer board 16A of dividing plate 16, direction is extended to the left and right.

At this, the outstanding length of rear board projection 21 and dividing plate projection 22, as shown in Figure 4, outstanding end separately overlaps at above-below direction and is of a size of C, and, set this size and do not hinder cooling air from aspirating air pipe 17 flowing to containing space 8.

The lip-deep sound absorbing material that the surface of 23 surfaces that are arranged on rear board projection 21, dividing plate projection 22 and rear board 3 and dividing plate 16 face toward mutually.This sound absorbing material 23 for example can use foamed resin materials such as polyurethane foam, foamed styrene to constitute, the noise when absorbing compressor body 11 actions.

At this, during compressor body 11 actions, the part of the noise that produces from this compressor body 11 is shown in arrow D among Fig. 4, cooling airflow port 16C by dividing plate 16 enters in the aspirating air pipe 17, and this part noise conflicts with rear board projection 21, dividing plate projection 22 during reflecting between plate 3 and the dividing plate 16 in the back and arriving intakeport 19.At this moment,, absorbed the energy of noise, so can suppress to transmit noise to the outside of sound insulation box 1 by intakeport 19 by this sound absorbing material 23 because plate 3, dividing plate 16, rear board projection 21, dividing plate projection 22 surfaces are provided with sound absorbing material 23 in the back.

In addition, owing to strengthen rear board 3, strengthen dividing plate 16 by fixed installation dividing plate projection 22, so can improve sound insulation box 1 integral intensity by fixed installation rear board projection 21.

24,24 left and right sides louvers that are provided in a side of the two ends, the left and right sides of rear board 3, this each louver 24 is formed on the clathrate that above-below direction extends as shown in Figure 5, clips the cooling airflow port 16C of dividing plate 16 from left and right directions.In addition, louver 24 makes from compressor body 11 generations and emits to sound insulation box 1 back through a part of noise that the cooling airflow port 16C of dividing plate 16 enters the aspirating air pipe 17.

At this, louver 24 clips the cooling airflow port 16 of dividing plate 16 from left and right directions and is located at the two ends, the left and right sides of rear board 3.For this reason, enter noise in the aspirating air pipe 17 directly is not discharged to sound insulation box 1 through louver 24 outside through cooling airflow port 16C, but be located at aspirating air pipe 17 in described rear board projection 21, dividing plate projection 22 etc. conflict during, after the sound absorbing material 23 absorption energy by the surface that is located at this rear board projection 21, dividing plate projection 22 etc., emit to sound insulation box 1 back through louver 24 again.

Like this, by produce sound absorbing material 23 absorptions that enter the surface of a part of noise the aspirating air pipe 17 from compressor body 11 after through being located at rear board 3, dividing plate 16, rear board projection 21, dividing plate projection 22, louver 24 through being located at rear board 3 is emitted at the rear of sound insulation box 1, the back reflection that conflicts with rear board 3 can be alleviated to the noise of front panel 2, the noise at the operator place that passes in sound insulation box 1 front can be suppressed.

The enclosure compressor of present embodiment has above structure, below its action of explanation.

At first, after operation is located at switch on the operation panel 9, by changer 15 controls motor 12 is rotated, the rotation of this motor 12 is delivered on the compressor body 11 through driving belt 13.

Thus, compressor body 11 is at each cylinder 11A, and 11B sucks pressurized air among the 11C, and the pressurized air of discharging from compressor body 11 temporarily is stored in the air tank 14.In addition, the pressurized air supply company of storing in air tank 14 is connected on the actuator (not shown) of conveying end 14A.

In addition, 11 action cooling fan 11E rotate by compressor body, and cooling air imports the aspirating air pipe 17 from intakeport 19 shown in arrow B among Fig. 6.This cooling air flows to exhaust duct 18 from the cooling airflow port 16C of dividing plate 16 through containing space 8.Thus, compressor body 11 grades that are housed in the containing space 8 are cooled, and the cooling air that is had heat by cooling compressor body 11 is discharged in the outside (top) of sound insulation box 1 through relief opening 20 from exhaust duct 18.

At this, exhaust duct 18 is owing to form between the transverse slat 16B of dividing plate 16 and top board 7, guarantees to have bigger opening area so can run through at the left and right directions of top board 7 almost at the relief opening 20 of these exhaust duct 18 openings in the whole zone.Thus, can make has a large amount of cooling airs to flow in sound insulation box 1, efficiently cooling compressor body 11 etc.

In addition, because the left and right sides panel 4,5 in sound insulation box 1 is provided with intakeport 19 respectively, so when enclosure compressor is installed in the building of factory, when for example some in the left and right sides panel 4,5 is near the building wall, also can fully cooling air be drawn onto in the sound insulation box 1, can in building, freely set the mounting point of enclosure compressor by the intakeport 19 that is located in this left and right sides panel 4,5 another.

In addition, when compressor body 11 actions, a part of noise that produces from this compressor body 11 enters the aspirating air pipe 17 through the cooling airflow port 16C of dividing plate 16.

But, rear board projection 21, dividing plate projection 22 are set in aspirating air pipe 17, the surface of plate 3, dividing plate 16, rear board projection 21, dividing plate projection 22 is provided with sound absorbing material 23 in the back.Thus, the noise in the air conduit 17 conflicts with rear board projection 21, dividing plate projection 22 shown in arrow D among Fig. 4, and the sound absorbing material 23 that can be arranged on these rear board projections 21, the dividing plate projection 22 absorbs.Thereby the noise that can suppress to enter in the aspirating air pipe 17 is emitted by the outside of intakeport 19 to sound insulation box 1, can improve enclosure compressor working environment on every side.

In addition, because the rear board 3 in sound insulation box 1 is provided with left and right sides louver 24, so enter after sound absorbing material 23 absorptions on the surface of noise in the aspirating air pipe 17, can emit through the rear of louver 24 to sound insulation box 1 through being arranged on described rear board projection 21, dividing plate projection 22 etc.

Thus, can suppress to enter noise in the aspirating air pipe 17 and impact rear board 3 and reflex to front panel 2 one sides again, can reduce and pass to the noise that is positioned at the operator before the sound insulation box 1, therefore can further improve the working environment around the enclosure compressor.

In addition, Fig. 7 represents described embodiment's variation, and this variation is that guide plate 30 described later is set on embodiment's dividing plate 16, in addition, and the attached same bis of component parts same as the previously described embodiments in this variation, and omit its explanation.

30 are provided in a side of the guide plate on the transverse slat 16B of dividing plate 16.This guide plate 30 is that rectangular sheet metal is carried out sheet metal processing (bending), and bending to slightly, the ヘ word shape is fixedly mounted on the transverse slat 16B of dividing plate 16 with spot welding.In addition, guide plate 30 to be covering the mode of the cooling fan 11E of compressor body 11 from the top, from the Left-Hand Panel 4 of sound insulation box 1 run through right panel 5 to the left and right direction extend, its forward end (free end side) tilts to oblique below from transverse slat 16B.In addition, the height and position of the front end of guide plate 30 is roughly consistent with the head position of the cylinder 11B that forms compressor body 11, and the position of the front end of the relief opening 20 on the position of the fore-and-aft direction of the front end of guide plate 30 and the top board 7 that is arranged on sound insulation box 1 is roughly consistent.

The 31st, be attached to the sound absorbing material above the guide plate 30.These sound absorbing material 31 usefulness and described sound absorbing material 23 the same foamed resin materials constitute, and prevent that the noise in the sound insulation box 1 from discharging from relief opening 20 inside and outsides by guide plate 30 reflections.

By this variation, the guide plate 30 that is arranged on the transverse slat 16B of dividing plate 16 will be drawn into cooling air guiding compressor body 11 in sound insulation box 1 containing space 8 by cooling fan 11E.Thus, the cooling air that can suppress to be drawn in the containing space 8 directly flows to relief opening 20 between compressor body 11 and dividing plate 16, by this cooling air is flung on the compressor body 11 reliably, can improve the efficient of cooling compressor body 11.

In addition, the noises such as Crunch that rotate the wind send by cooling fan 11E can be suppressed by relief opening 20 directly to the discharges of outside by guide plate 30.And, owing to stickup sound absorbing material 31 on guide plate 30,, can discharge to the outside by the noise that sound absorbing material 31 suppresses sound insulation box 1 so cooling air is passing through relief opening 20 when discharge the outside above guide plate 30.

In addition, by guide plate 30 can separate produce cooling air and the compressor body 11 in the cooling containing space 8 in the containing space 8 be drawn into sound insulation box 1 by cooling fan 11E after, discharge the cooling air of band heat from relief opening 20.Thus, the cooling air that just can suppress to be drawn into containing space 8 mixes in containing space 8 with the cooling air of the band heat of discharging to the outside, the temperature of cooling air that can guarantee to supply with compressor body 11 is very low, so can further improve the efficient of cooling compressor body 11.

In addition, for example there is being foreign matter to fall under the situation in the sound insulation box 1 through relief opening 20, can preventing that this foreign matter from impacting cooling fan 11E, can prevent the damage of compressor body 11 with guide plate 30.

In addition, the rear board projection 21 that direction is to the left and right extended is set on described embodiment has enumerated rear board 3 in sound insulation box 1, and the dividing plate projection 22 that direction is to the left and right extended is set on dividing plate 16.But the present invention is not limited only to this, and for example variation that also can be as shown in Figure 8 is such, be provided with on the plate 3 in the back the rear board projection 21 that direction up and down extends ', on dividing plate 16, be provided with the dividing plate projection 22 that direction up and down extends '.

In addition, example illustrates in the back that plate 3 is provided with a rear board projection 21 in described embodiment, and the situation of a dividing plate projection 22 is set at dividing plate 16.But the present invention is not limited to this, for example also in the back plate 3 a plurality of rear board projections 21 are set, at dividing plate 16 a plurality of dividing plate projections 22 are set.

In addition, example is illustrated in the situation that rear board 3 opposites that constitute sound insulation box 1 are provided with dividing plate 16 in described embodiment.But the present invention is not limited to this, for example also can be located at dividing plate 16 opposite of Left-Hand Panel 4 or right panel 5.

In addition, example illustrates by stringer board 16A and transverse slat 16B and constitutes dividing plate 16 in described embodiment, by the rear end of transverse slat 16B being fixedly mounted on stringer board 16A and the transverse slat 16B that forms on the rear board 3 by dividing plate 16, the situation of the aspirating air pipe 17 that rear board 3, left and right sides panel 4,5 impale.But the present invention is not limited only to this, for example also can dividing plate be set by extending to top board 7 from bottom panel 6, formation is provided with relief opening from the position that this aspirating air pipe leaves by the aspirating air pipe that this dividing plate, rear board 3, left and right sides panel 4,5, top board 7 impale in top board 7.

In addition, example illustrates the situation that compressor body 11 is made of three cylinder reciprocal compressors in the above-described embodiments.But the present invention is not limited to this, for example also can adopt single cylinder, twin-tub or four reciprocal compressors with upper cylinder.In addition, also can adopt other compressor such as scroll compressor to replace reciprocal compressor.

Below, relate to second embodiment who cools off changer 15 with reference to Fig. 9 to Figure 12 detailed description.In addition, for the cooling formation of changer 15, so about the identical omission of content outside the action with front embodiment.

114 is that the transducer that is arranged in the aftermentioned pipeline 116 (transducer cooling pipe) is accommodated case.This transducer is accommodated case 114 and form rectangular casing by lower plate 114A, upper plate 114B, header board 114C, back plate 114D, left sideboard 114E and right sideboard 114F shown in Figure 11,12.In addition, accommodate in the case 114 at transducer and on lower plate 114A, left sideboard 114E, right sideboard 114F, vent 114G, 114H, 114J are set respectively.In addition, two desk fan 114K for example can be installed on upper plate 114B.This each fan 114K is made of the venter of accommodating the direction of air air-supply in the case 114 to the discharge transducer.

The 15th, be placed on transducer and accommodate changer in the case 114.This changer 15 is controlled (driving) motor 12 easily by dc voltage conversion is become alternating voltage.This changer 15, by comprising the high-pressure crystal tube elements, low voltage transistor element, a plurality of electrical apparatus element that absorb the capacitor of the voltage of surging constitute.

The 116th, encirclement changer 15 is arranged on the pipeline in the sound insulation box 1, and this pipeline 116 is positioned at the forward position of above-below direction intermediate portion of sound insulation box 1, is installed on the right panel 5.In addition, pipeline 116 roughly is made of pipeline body 117 described later, lid 119 and guide plate 120,121 as shown in figure 11, as Fig. 9, shown in Figure 10, forms cooling air passage 122 described later.

The 117th, the pipeline body of the body portion of formation pipeline 116, the facial 117B in left side that extend to the front side on the left-hand end limit of the 117A of portion, the last facial 117C that extends to the front side from the limit, upper end of described rear face 117A, constitute to the lower face 117D that extends previously from the limit, lower end of described rear face 117A, at the roughly box-shaped body of front side and right openings.

In addition, the front end of 117C of portion and lower face 117D is provided for installing installation facial 117E, the 117E of aftermentioned lid 119 in the above.In addition, the installation corner bracket 117F of crooked right part is set, 117F in the above on 117C of portion and the lower face 117D.In addition, pipeline body 117 touches each right panel 5 that corner bracket 117F and sound insulation box 1 are installed, and is fixed on the right panel 5 with a plurality of bolt and nuts 118 at this state.

The 119th, cover the lid (with reference to Figure 11) of the dismantled and assembled installation of front face side of pipeline body 117.This lid 119 is made of the rectangular plate body of direction extension up and down, and the end of above-below direction is installed on the attachment face 117E with screw.

The 120th, be provided in the left side guide plate of the upper left-hand in the pipeline 116.This guide plate 120 is made of for example square plate body, is arranged on transducer at the upside of vent 114H and accommodates between the facial 117B in left side of case 114 and pipeline body 117.

In addition, the 121st, be provided in the right side guide plate of the upper right in the pipeline 116.This guide plate 121 is made of for example square plate body, is arranged on transducer at the upside of vent 114J and accommodates between the right panel 5 of case 114 and sound insulation box 1.

In addition, guide plate 120,121, guides this cooling air to accommodate case 114 through transducer and flows when outflow opening 124 described later flows at the cooling airflow that flows into from inflow entrance 123 described later.Therefore, guide plate 120,121 can prevent to cool off the cooling air circulation of changer 15 band heats, can often provide cold cooling air to changer 15.

The 122nd, the cooling air passage that in pipeline 116, forms.This cooling air passage 122 upwards forms and leads to outflow opening 124 from inflow entrance 123.Specifically, cooling air passage 122 is by guide plate 120,121 transducers are accommodated between the right panel 5 of the facial 117B in left side, sound insulation box 1 of case 114 and pipeline body 117 and are cut off, and form the cooling air that flows into from inflow entrance 123 is accommodated flowing of case 114 indrafts outlet 124 through transducer.

123 are provided in a side of the inflow entrance on the right panel 5 that is arranged on sound insulation box 1.This inflow entrance 123 is as shown in figure 10 at the position of the bottom of corresponding pipeline 116, i.e. near the position opening upside of the lower face 117D of pipeline body 117.Then, inflow entrance 123 flows into air outside in the pipeline 116 as cooling air by the driving of fan 125 described later.

124 are arranged on the outflow opening (with reference to Fig. 9) on the right panel 5 of sound insulation box 1.This inflow entrance 124 is as shown in figure 10 at the position on the top of corresponding pipeline 116, i.e. near the position opening downside of facial 117C on the pipeline body 117.Then, outflow opening 124 is by the driving of fan 125, with the cooling airflow in the pipeline 116 to the outside.

At this, inflow entrance 123 and outflow opening 124 are separately positioned on the right panel 5 of sound insulation box 1.In addition, outflow opening 124 is bigger than the opening area of inflow entrance 123, for example can form the large opening area more than 1.5 times.

The 125th, corresponding inflow entrance 123 is arranged on the fan in the pipeline 116, and this fan 125 is as outside air is drawn onto drawing fan in the pipeline 116 via inflow entrance 123.At this, fan 125 substantially by the tubular shell 125A of the inner face that is installed in right panel 5 with screw, be located at the impeller 125B among this housing 125A, the motor 125C of this impeller of rotating drive 125B constitutes.

Second embodiment's enclosure compressor has above structure, below its action of explanation.

In when operation compression, be arranged on that transducer is accommodated each fan 114K of case 114 and the fans 125 that are located in the pipeline 116 are driven.Thus, fan 125 can be forced into the cold air in sound insulation box 1 outside different with the cooling air of described compressor body 11 grades of cooling the pipeline 116 from inflow entrance 123.

In addition, in accommodating case 114, transducer, accommodates the case 114 so the cooling air in the flow ipe 116 flows into transducer from vent 114G, 114H as shown by arrows owing to form negative pressure with fan 114K.Thus, convertor device 15 can be realized efficiently cooling fully by the cold cooling air that flows into from the outside.

In addition, the cooling air of cooling changer 15 band heats flows out in pipeline 116 through each fan 114K and vent 114J, can be discharged to the outside of sound insulation box 1 from outflow opening 124.

At this, each guide plate 120,121 by cutting off between inflow entrance 123 and the outflow opening 124, can by fan 125 almost all the cooling airflow warp in the flow ipes 116 accommodate cooling air passage 122 in the case 114 by transducer, can have more cooling air to blow on the changer 15.

Press present embodiment, in sound insulation box 1, the pipeline 116 that the encirclement transducer is accommodated case 114 is set, inflow entrance 123 that flows into cooling air in described pipeline 116 and the outflow opening 124 that the cooling air that flows in described pipeline 116 is flowed out to the outside are being set on the described right panel 5 in right panel 5.In addition, at described inflow entrance 123 fan 125 that cooling air is forced in the described pipeline 116 is set.

Thereby, can blow into the cold air in sound insulation box 1 outside different at changer 15 with the cooling air that is used for cooling compressor body 11 grades, cool off this changer 15 efficiently.

As a result, even under the situation in changer 15 (transducer is accommodated case 114) being placed on the sound insulation box 1 that is full of heat when turning round easily, also can be controlled at the temperature of changer 15 below the specified reference value, so can prolong the life-span of changer 15.In addition,, its global shape is diminished, also fine in appearance seeing by changer 15 is housed in the sound insulation box 1.

In addition, because can cooling air be led in the transducer 15,, can make this changer 15 by the further cooling effectively of more cooling air so cooling air is blown on the changer 15 by the guide plate 120,121 that is located in the pipeline 116.

In addition, because inflow entrance 123 and outflow opening 124 are set on the right panel 5 of sound insulation box 1, so when enclosure compressor is set, can be the face beyond the right panel 5, be installations such as Left-Hand Panel 4, rear board 3 close walls, thereby improved the degrees of freedom when installing.

Below, second embodiment's variation is described by Figure 12.Characteristics of the present invention are to accommodate between case and the sound insulation box at transducer on the next door of fan guide plate is set.In addition, identical with described first embodiment in the present embodiment parts are attached with prosign, and omit its explanation.

131 are provided in a side of another guide plate that transducer is accommodated right side, case 114 bottom.This guide plate 131 is made of for example square plate body, is arranged on transducer at the downside of vent 114J and accommodates between case 114 and the right panel 5.

Thus, guide plate 131 has a heat in cooling changer 15 back cooling air can prevent cooling air that this has been heated and the cold cooling air mixing that flows into from inflow entrance 123 when vent 114J flows out.

In the present embodiment that constitutes like this, can obtain almost same action effect with described second embodiment.Particularly press present embodiment, guide plate 131 can prevent the circulation that mixes of heated cooling air and cold cooling air, can further improve the cooling effectiveness of changer 15.

In addition, for example understand in second embodiment and to accommodate the pipeline 116 of case 114 and install on the right panel 5 of sound insulation box 1, inflow entrance 123 and outflow opening 124 are set in this right panel 5 accommodating transducer.But the present invention is not limited to this, for example also can locate pipe laying 116 at the Left-Hand Panel 4 of sound insulation box 1, rear board 3 etc., and inflow entrance 123 and outflow opening 124 are set.Such formation equally also is applicable to second embodiment's variation.

In addition, for example understand the fan 125 that the formation drawing fan is set at inflow entrance 123 in second embodiment.But the present invention is not limited to this, for example also can the fan that constitute venter be set at outflow opening 124.In addition, also can drawing fan be set, venter be set at outflow opening 124 at inflow entrance 123.This formation is equally applicable to second embodiment's variation.

In addition, on second embodiment for example understands right panel 5 in sound insulation box 1, inflow entrance 123 and outflow opening 124 are set, with sound insulation box 1 air outside from inflow entrance 123 flow ipes 116, and will be in this pipeline 116 flow air flow to the situation of the outside of sound insulation box 1 from outflow opening 124.But the present invention is not limited only to this, for example also outflow opening 124 can be set in pipeline 116, will flow air flow to the sound insulation box 1 from outflow opening 124 in this pipeline 116.This formation is equally applicable to second embodiment's variation.

In addition, for example understand the situation that guide plate 120,121 is formed by the square plate body in second embodiment.But the present invention is not limited to this, for example also can paste sound absorbing material on guide plate 120,121.At this moment, can absorb the noise that passes to compressor body 11 grades in the pipeline 116, reduce and emit noise, can improve quietness from inflow entrance 123, outflow opening 124 by sound absorbing material.This formation is equally applicable to second embodiment's variation.

In addition, in the foregoing description example the situation that compressor body 11 is made of three cylinder reciprocal compressors is shown.But the present invention is not limited to this, for example also can adopt single cylinder, twin-tub or four reciprocal compressors with upper cylinder.In addition, also can adopt other compressor such as scroll compressor to replace reciprocal compressor.

In sum, according to first aspect present invention, dividing plate is set in sound insulation box, the above-below direction under relative status of a side plate in itself and each side plate extends, and form aspirating air pipe between this side plate, the cooling airflow port that the cooling air that sucks from aspirating air pipe is circulated in the main chamber of the compressor body side that is arranged on sound insulation box is being set on this dividing plate, and at least one side of side plate in the both sides of a described side plate is provided with the intakeport to the aspirating air pipe inner opening.In addition, with aspirating air pipe above top board between the space be communicated with the main chamber is set, the relief opening that between setting on the top board and this chamber, is communicated with.Like this, during the compressor body action, suck cooling air from the intakeport that is arranged on the side plate that constitutes sound insulation box in aspirating air pipe, this cooling air is from the cooling airflow port of dividing plate cooling compressor body etc. in sound insulation box, and the relief opening through being located on the top board is discharged to the sound insulation box outside.

In addition, according to second aspect present invention, dividing plate is set in sound insulation box, the above-below direction under relative status of a side plate in itself and each side plate extends, with form aspirating air pipe on the side plate of this side plate and these side plate both sides, on this dividing plate, be provided with the cooling airflow port of the cooling air that sucks from aspirating air pipe, intakeport be set, relief opening is set on top board at least one side of the side plate of described both sides to the sound insulation box circulation.Like this, cooling compressor body etc. during being arranged on cooling air that the intakeport of the side plate of sound insulation box sucks flowing through in the compressor body side main chamber that sound insulation box is set from the cooling airflow port of dividing plate in aspirating air pipe, the relief opening through being located on the top board is discharged to the sound insulation box top.

At this moment, owing to can on top board, form the relief opening of large opening area, by making a large amount of cooling airflows in sound insulation box, efficient cooling compressor body etc.In addition, in the time of on enclosure compressor being arranged on buildings such as factory, since in constituting each side plate of sound insulation box with the not relative side plate of building wall on intakeport is set, can in sound insulation box, fully suck cooling air by this intakeport, so can freely in building, set the place that is provided with of enclosure compressor.

According to third aspect present invention, because when on a side plate, the side plate projection being set, the dividing plate projection is set on dividing plate, surface in these each projections is provided with sound absorbing material, when so the noise that produces from compressor body enters the aspirating air pipe, the noise that enters this aspirating air pipe is absorbed by the sound absorbing material that is arranged on each protrusion surface by conflicting with side plate projection and dividing plate projection.So, can suppress the noise that produces from compressor body and pass to the outside of sound insulation box by intakeport from aspirating air pipe, can improve the working environment around the enclosure compressor.And, can strengthen a side plate by the side plate projection, strengthen dividing plate by the dividing plate projection, thereby can improve the sound insulation box integral intensity.

According to fourth aspect present invention, the noise that enters when compressor body moves in the aspirating air pipe is absorbed by the sound absorbing material that is located at side plate projection and dividing plate protrusion surface, can suppress this noise passes to sound insulation box by intakeport outside.

According to fifth aspect present invention, one of them side plate is the rear board that constitutes in each side plate of sound insulation box, owing to louver is set at this rear board, can emit by the louver that plate in the back is provided with the part of the noise that produces from compressor body in the back of sound insulation box, collide the noise that rear board reflexes to the front side again so can alleviate.Thus, the noise that the operator that can suppress to pass in the sound insulation box front locate can improve surrounding working environment.

According to sixth aspect present invention, drive fan when the running enclosure compressor.This fan is forced into the cool air of sound insulation box outside in the pipeline from inflow entrance, and this air is different with the cooling air of cooling compressor body.Then, pipeline flows to outflow opening at the cooling air passage by the cold cooling air that flows into from inflow entrance, can cool off the changer that surrounds with this pipeline efficiently and accommodate case (changer).In addition, cooling changer and the cooling air of taking away heat can be discharged to the outside from outflow opening.

In addition, when in the pipeline of seventh aspect present invention, flowing into cooling air, because guide plate guides this cooling air to make it to accommodate case through transducer and flows to outflow opening, thus can prevent to cool off the cooling air circulation that changer has heat, and can often supply with cold cooling air to changer.

And then the 8th, the 9th aspect according to the present invention removing on other the face of face that inflow entrance and outflow opening are set, can dispose near wall.

Claims (9)

1, a kind of enclosure compressor, it comprises: by the forward and backward sound insulation box that surrounds with left and right sides panel, bottom panel and top board; Be located at the compressor body of compressed fluid in the described sound insulation box; Be located at described sound insulation box and in described sound insulation box, import the intakeport of cooling air; Relief opening to outside derivation cooling air is characterized in that,

In described sound insulation box, dividing plate is set, its with described each side plate in a side plate relative status under above-below direction extend, and a described side plate between form aspirating air pipe,

The cooling airflow port that the cooling air that sucks from described aspirating air pipe is circulated in the main chamber of the compressor body side that is arranged on described sound insulation box is being set on the described dividing plate,

At least one side of side plate in the both sides of a described side plate is provided with the described intakeport to the aspirating air pipe inner opening.

2, enclosure compressor as claimed in claim 1 is characterized in that, described aspirating air pipe with above described top board between the space is communicated with the main chamber is set, the described relief opening of setting and described spatial communication on described top board.

As claim 1,2 described enclosure compressors, it is characterized in that 3, the side plate of the both sides of described dividing plate and a described side plate and a described side plate forms described aspirating air pipe.

4, as claim 1,2 or 3 described enclosure compressors, it is characterized in that, be provided with to the outstanding side plate projection of described dividing plate at a described side plate, the position different with described side plate projection is provided with to the outstanding dividing plate projection of a described side plate on described dividing plate, and the sound absorbing material of absorption from the sound of described compressor body generation is set on the surface of described each projection.

5, as claim 1,2 or 4 described enclosure compressors, it is characterized in that, a described side plate is the rear board that constitutes in each side plate of described sound insulation box, and the louver that the sound that produces from described compressor body is emitted to described sound insulation box rear is set on described rear board.

6, as claim 1,2 or 4 described enclosure compressors, it is characterized in that, described compressor body is by motor driving, the changer of the described motor of drive controlling is placed on transducer and accommodates in the case in described sound insulation box, the periphery of accommodating case at described transducer is provided with the transducer cooling pipe that the described transducer of encirclement is accommodated case and formed the cooling air passage, cooling air is set in described sound insulation box to be flowed into the inflow entrance of described transducer cooling pipe and the outflow opening of the cooling airflow of the described transducer cooling pipe of flowing through to the outside, in the cooling air passage in described transducer cooling pipe fan is set.

7, enclosure compressor as claimed in claim 6 is characterized in that, is provided for guiding the cooling air from the inflow entrance inflow to accommodate the guide plate that flows to outflow opening in the case again by transducer at described transducer cooling pipe.

8, enclosure compressor as claimed in claim 6 is characterized in that, described inflow entrance and outflow opening are arranged on the same one side of described sound insulation box.

9, enclosure compressor as claimed in claim 7 is characterized in that, described inflow entrance and outflow opening are arranged on the same one side of described sound insulation box.

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