CN1193197C

CN1193197C - Air conditioner

Info

Publication number: CN1193197C
Application number: CNB02132333XA
Authority: CN
Inventors: 茂木康弘; 金子好章; 落合圆; 铃木孝浩; 富贺见有吾; 杉山和也
Original assignee: Sanyo Electric Co Ltd; Sanyo Electric Air Conditioning Co Ltd
Current assignee: Sanyo Electric Co Ltd; Sanyo Electric Air Conditioning Co Ltd
Priority date: 2001-11-09
Filing date: 2002-09-24
Publication date: 2005-03-16
Anticipated expiration: 2022-09-24
Also published as: KR100481097B1; TW574489B; CN1417538A; KR20030038508A; JP3711065B2; JP2003148773A

Abstract

Provided is an air conditioner which is recycled, specifies the fitting position and the shape, and reduces the refrigerant noise level by a vibration isolating member with improved workability. The refrigerant noise generated at a part in which the refrigerant of an electrically-driven valve 25 is distributed by covering the part with the refrigerant of the electrically-driven valve 25 provided in a machine room 8 of an outdoor unit 1 distributed therearound by fitting the vibration isolating member 32 with the inner side thereof formed to a shape of the electrically- driven valve 25 which is formed of a material of the fork-shaped outline with cushioning property such as rubber and urethane. Since this vibration isolating member 32 is a formed article, it is fixed without having an adhesive part, and recycled even when the member is detached during the assembly and the maintenance, improves the workability, and is effective in the environmental aspect.

Description

Aircondition

Technical field

Alleviating of the cold-producing medium sound that produces when the present invention relates to make the controlled parts such as motor-driven valve of the loop direction counter-rotating of above-mentioned cold-producing medium and the aircondition by carrying out air-conditioning by cross valve by the compressor compresses cold-producing medium.

Background technology

Up to the present, the cold-producing medium sound that produces for by above-mentioned controlled parts and refrigerant piping the time sticks on the generation that prevents sound on these controlled parts and the refrigerant piping or absorbs sound by the tabular soft vibration-proof material that will apply bonding agent on its one side.

But grade as described above has adhesive vibration-proof material, the position of its attaching and shape can not be specific, when assembling operation, sometimes stick on not from the place that its adherence is considered, the problem that the operation difficulty is arranged, in addition, the thing that must take off above-mentioned vibration-proof material etc. is arranged when the inspection when safeguarding and renewal part etc., problem is arranged in operation.

In addition, therefore 1 used above-mentioned vibrationproof material can not reuse owing to the adhesive effect that is applied to the bonding agent on its one side tails off, and do discarded the processing, so disadvantageous aspect is also arranged aspect environmental protection.

Summary of the invention

Therefore, the object of the present invention is to provide a kind of aircondition, it is characterized in that of this aircondition, by can utilize again, can specific installation site and vibration-proof material shape, that improved operation alleviate cold-producing medium sound.

The air attemperation apparatus of the 1st technical scheme of the present invention, has outdoor unit, this outdoor unit uses the demarcation strip that extends to vertical direction that box house is divided into heat exchanger chamber and Machine Room, in its Machine Room, keep the controlled parts of the motor-driven valve that comprises compressor, cross valve and the flow of adjusting cold-producing medium and be connected with refrigerant piping, it is characterized in that, cover the above-mentioned of said electric valve etc. control assembly with the packing that forms with resiliency.

The 2nd technical scheme of the present invention is in the described aircondition of the 1st technical scheme, it is characterized in that, the parts that cover with the formed products with above-mentioned resiliency are said electric valve.

The 3rd technical scheme of the present invention is in the described aircondition of the 1st or the 2nd technical scheme, it is characterized in that the packing with resiliency that is formed with the profile that makes interior shape and said electric valve covers the part of the cold-producing medium circulation of said electric valve with matching.

The 4th technical scheme of the present invention is in the described aircondition of the 1st to the 3rd technical scheme, it is characterized in that, the packing that is formed with above-mentioned resiliency is made cylindrical shape principal part and, top crooked form of bifurcation that secondary portion constitute extended from the side of above-mentioned circle, on the part of above-mentioned principal part and above-mentioned secondary portion, has otch, open on the part of cold-producing medium circulation that this otch is installed in said electric valve expanding to the left and right, to cover on the part of cold-producing medium circulation of this motor-driven valve.

Description of drawings

Fig. 1 is the skeleton diagram of the formation of expression outdoor unit.

Fig. 2 is the figure of the inside, Machine Room of expression outdoor unit.

Fig. 3 is the in-built cutaway view of expression motor-driven valve.

Fig. 4 is the side that is illustrated in motor-driven valve 25 from the figure of the vibration-proof material of seeing near the position of top a little of connector 38 of the present invention and the profile that cuts off in notch portion.

Fig. 5 is the figure of the vibration-proof material of the present invention seen from the position of top a little of the opposition side of connector 38 of the side that is illustrated in motor-driven valve 25.

The specific embodiment

Below with reference to Fig. 1 to Fig. 4 one embodiment of the present of invention are described.

Fig. 1 is the skeleton diagram of the formation of expression outdoor unit, its casing is made of shell body 3, the base plate 4 at the shell body 2 that covers front and end face, covering two sides and the back side, the outlet 10 of discharging the air that has carried out heat exchange is set in the front of shell body 2, on this outlet 10, be provided with and blow out grid 11, this grid 11 is used to make barrier such as stone can not invade the heat exchanger chamber 7 of its inside and destroys the outdoor draft fan 20 of rotation, also is used for can not making finger to be strayed into wherein and injured accident.

And, handle 12 when this outdoor unit 1 of carrying being set on the left surface of shell body 3 or carrying out installation exercise, breach 13 and distribution mouth 14 are set on right flank, this breach 13 is used to expose the tube plate 17 of standing valve 18, valve 18 is used for refrigerant piping is connected to the indoor unit that is fixed on the base plate 4, above-mentioned distribution mouth 14 is used for the terminal board 29 that is connected to outdoor controller portion 9 from the power supply and the communications patching of indoor unit, the opening 15 that atmosphere is led to heat exchanger chamber 7 is set on overleaf.

In addition, on below base plate 4, near the two ends of the length direction of base plate 4, on the direction vertical, be provided with the pedestal 16 of supporting this outdoor unit 1 is installed with this length direction, each parts such as outdoor controller portion 9 on base plate 4 above the heat exchanger chamber 7 of mounting outdoor unit 1, Machine Room 8 and the Machine Room 8, and support them, and the tube plate 17 of standing valve 18 is set in right side edge portion, this valve 18 is used for refrigerant piping is connected to indoor unit.

And, the inside of outdoor unit 1 is separated into heat exchanger chamber 7 and Machine Room 8 with demarcation strip 5, this demarcation strip 5 bends to the word shape near L, and extend to vertical direction, on the surface of heat exchanger chamber 7, attach sound-absorbing material 43 at it, in the heat exchanger chamber 7 of a side, outdoor draft fan 20, supporting an end to be fixed on the other end on the base plate 4 articulates the outdoor draft fan angle bar 21 of the outdoor draft fan 20 that is fixed on the outdoor heat converter 19 and outdoor heat converter 19 and is positioned on the base plate 4 and ensconces in the heat exchanger chamber 7, in the Machine Room 8 of opposite side, compressor 22, holder 23, cross valve 24, motor-driven valve 25 is connected with capillary 26 usefulness refrigerant pipings, and is positioned on the base plate 4 and in the interior plant Machine Room 8.The choke 27 of power supply unit also is fixed on the top of demarcation strip 5 and ensconces the inside.

And, demarcation strip 6 is down installed on 8 top in the Machine Room, make it to cover the end face of this Machine Room, this be provided with on the demarcation strip 6 up and down control outdoor unit 1 running and the outdoor electric box 28 that communicates with indoor unit, be connected terminal board 29 from the power supply of indoor unit and communications patching, fuse holder 31, relaying towards be positioned at demarcation strip 6 about this below the wiring connector apparatus 30 of Machine Room 8, constitute outdoor control part 9.

Below, describe with reference to Fig. 2 and Fig. 3, Fig. 2 is the figure of Machine Room 8 internal states of the above-mentioned outdoor unit of expression, also be that the vibration-proof material 32 that is made of the formed products with resiliency that can utilize again of the present invention is installed in figure on the motor-driven valve 25, motor-driven valve 25 is arranged on the refrigerant piping that connects liquid pipe valve 18 and outdoor heat converter 19, being mounted in the parts in the Machine Room of outdoor unit 1, is to make its aperture regulate the control device of the flow of cold-producing medium changeably by the signal from outdoor controller portion 9.

At this, motor-driven valve is described, its structure as shown in Figure 3, roughly be divided into coil portion 33 and motor-driven valve body 34, coil portion 33 does not show in the drawings, it is by coil 36, accommodate the coil case 35 of coil 36, the control distribution 37 that extends out from above-mentioned coil 36 constitutes, above-mentioned coil 36 is the iron core of a plurality of coiling coils to be arranged in colyliform and by the molded parts of moulding resin, motor-driven valve body 34 is made of body 43 and control part 44, above-mentioned body 43 is by joint 38 and 39, body 40 constitutes, and above-mentioned control part 44 is being covered by housing 41 and 42.Above-mentioned coil portion 33 is installed in the below of housing 41 sidewalls, makes it to surround above-mentioned housing 41, is arranged on protuberance 59 fastenings on the coil portion 33 on the recess 60 on the upper face of the housing 41 that is arranged on motor-driven valve body 34.

In addition, internal structure to this motor-driven valve body 34 describes, the appearance of control part 44 housing 41, lower cover 42 is surrounded, its inside is made of three parts of operate portions 57, operate portions 57 is by limiter 55, rotating part 56, extend to the spicule 46 of accent stream described later portion 47, the external screw thread 54 that is fixed on this spicule 46 constitutes, above-mentioned limiter 55 is by the stem 48 of the aperture of restriction motor-driven valve, guide member 49 and slide block 50 constitute, above-mentioned rotating part 56 is by the rotor rotated 51 by above-mentioned coil portion 33 excitations, magnet 52, internal thread 53 constitutes, and constitutes stepper motor by this rotating part 56 and above-mentioned coil portion 33.In addition, the body 43 that is installed in the below of this control part 44 has body 40, joint 39 and joint 38, above-mentioned body 40 has the stream of accent portion 47, on the bottom surface of this accent stream portion 47, valve seat 45 is set, above-mentioned connector 39 extends out under this valve seat 45, above-mentioned connector 38 extends out from the sidewall of transferring stream portion 47, makes to cover these valve seat 45 modes from the top structure of above-mentioned spicule 46 is installed.

Below, action to this motor-driven valve 25 describes, add voltage in proper order by a plurality of coils of ensconcing in the above-mentioned coil portion 33 in 37 pairs of the distributions of control, pass through excitation, make magnet 52 rotations that are accommodated in the control part 44, thus, the resin rotor 51 and the internal thread 53 that are fixed on this magnet 52 also rotate, move up at upper and lower with chimeric external screw thread 54 of this internal thread 53 and the spicule 46 that is fixed on this external screw thread 54, for example, when the rotating part 56 with above-mentioned internal thread 53 when counter clockwise direction is rotated, make the top that is arranged on control part 44 limiter 55 slide block 50 rotation and by guidance part 49 stem 48 is moved upward, simultaneously, the internal thread 53 of rotating part 56 also rotates, on draw the external screw thread 54 chimeric with this internal thread 53.

Thus, the spicule 46 that is installed on the above-mentioned external screw thread 54 that extends to the accent stream portion 47 in the body 40 of the below that is arranged on motor-driven valve body 34 is also pulled on, and valve seat 45 between produce the gap, the cold-producing medium of invading from either party of joint 38 or joint 39 flows to the opposing party's joint by this gap, above-mentioned rotating part 56 is when forwarding full-gear to, the projection 57 of slide block 50 contacts with the block 58 that is arranged on guide rail 49 upper ends, so that rotating part 56 no longer is further rotated.

In contrast, the rotating part with above-mentioned internal thread 53 56 in being accommodated in control part 44 is when clockwise direction rotates, make the top that is arranged on control part 44 limiter 55 slide block 50 rotation and by guide rail 49 stem 48 is moved downwards, meanwhile, the internal thread 53 of rotating part 56 also rotates, push the external screw thread 54 chimeric with this internal thread 53, the spicule 46 that is installed on the above-mentioned external screw thread 54 that extends to the accent stream portion 47 in the body 40 of the below that is arranged on motor-driven valve body 34 also is pushed down, and the gap stenosis between the valve seat 45 is narrow, final spicule 46 contacts with valve seat 45, make rotating part 56 no longer be further rotated, the hole that is arranged on the central authorities of this valve seat 45 is stopped up by spicule 46 and is become full-shut position, cuts off the circulation of the cold-producing medium of invading from either party of joint 38 or joint 39.

Like this, regulate the flow of the cold-producing medium that circulates in the refrigerant piping by the aperture of regulating above-mentioned spicule 46 and above-mentioned valve seat 45, but because cold-producing medium is transferring stream portion 47 front and back that pressure differential is arranged, the position of liquid refrigerant and gas refrigerant not necessarily has circulating completely, the cold-producing medium that therefore contains the intermediateness of the gas refrigerant of bubble and the liquid refrigerant generation cold-producing medium sound when waiting that circulates.

Therefore, vibration-proof material 32 of the present invention is to use rubber or urethanes etc. to have the parts as shown in Figure 4 and Figure 5 of the material forming of resiliency and sound absorption properties, is the article of body 43 that cover the motor-driven valve 25 in the generation source that becomes above-mentioned cold-producing medium sound.

Fig. 4 be in order to show whole shape the side of motor-driven valve 25 near joint 38 a little above the position on the figure that seen and the profile that dissects vibration-proof material 32 at the face (oblique line portion) of otch 61 and 62.Fig. 5 be the side of motor-driven valve 25 from the opposition side of joint 38 a little above the figure of position, be used for representing to be used for vibration-proof material 32 is installed on the motor-driven valve 25 and the

otch

61 and 62 that is provided with.

The B portion of Fig. 4 is the part of joint 38 of the motor-driven valve 25 of coverage diagram 3, C portion is the part that covers the joint 39 that comes out from body 43, the shape that the shape of the body 43 of portion's formation within it and motor-driven valve 25 matches, be provided for the

otch

61 and 62 of installation on said electric valve 25, this otch 61 is to the otch of lower end from the upper end of C portion, and otch 62 is the otch on the face relative with otch 61 that is arranged on C portion, from C subordinate end lead to B portion below below the incision side up to the top of B portion, shown in the D of Fig. 5, open this otch 61 to the left and right, be installed on the joint 38 and body 43 of said electric valve from joint 38 sides of motor-driven valve 25.

At this moment, this vibration-proof material 32 is owing to be the shape that matches of the inner shape that forms as described above with motor-driven valve 25, the formed products that material also is to use materials such as rubber as described above or urethane, so the nerve of shape is also arranged, owing to be installed on the part of the T shape that forms by connector 38 and body 43, so do not need to use especially belt or clip etc. to fix.

According to above explanation, owing on the refrigerant loop parts of motor-driven valve etc., use the vibration-proof material of formed products,, can improve assembling and the operation when safeguarding so can make the vibration-proof material shape specific with resiliency, can alleviate the sound of cold-producing medium.

In addition, be not used to install and fixing adhesives etc. owing to do not use, and can re-use any time, so favourable environment.

Claims

1. aircondition, this aircondition has outdoor unit, this outdoor unit uses the demarcation strip that extends to vertical direction that box house is separated into heat exchanger chamber and Machine Room, in its Machine Room, keep and comprise compressor, the control assembly of the motor-driven valve of the flow of cross valve and adjusting cold-producing medium, and these control assemblies are connected with refrigerant piping, it is characterized in that, said electric valve covers with the packing with resiliency, above-mentioned packing forms by columnar principal part and the pronged shape that constitutes from the secondary portion of the extended front end bending in above-mentioned columnar side, simultaneously on the part of above-mentioned principal part and above-mentioned secondary portion, has otch, this otch is expanded out to the left and right, be installed on the part of cold-producing medium circulation of said electric valve.