CN101793450A

CN101793450A - Oil balancing device fixed part and have the off-premises station of the air conditioner of this fixed part

Info

Publication number: CN101793450A
Application number: CN201010108452A
Authority: CN
Inventors: 姜炫旭; 金文燮; 李光柱
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2009-01-30
Filing date: 2010-01-29
Publication date: 2010-08-04
Anticipated expiration: 2030-01-29
Also published as: KR20100088339A; KR101606008B1; CN101793450B

Abstract

Even the open compressor of the present invention starts the off-premises station of the air conditioner of the reliability that also can guarantee oil balancing device under overvoltage.Off-premises station according to air conditioner of the present invention comprises: a plurality of compressors that connect at least one refrigerant pipe; The oil equalizing pipe that is connected with described a plurality of compressors is to be used for evenly keeping the machine oil of described a plurality of compressors; Be arranged at least one the equal fuel tap in the pipeline way of described oil equalizing pipe; Described equal fuel tap is fixed to the fixed part of described at least one refrigerant pipe.

Description

Oil balancing device fixed part and have the off-premises station of the air conditioner of this fixed part

Technical field

The present invention relates to air conditioner, relate in particular to the air conditioner that comprises the fixed part that is used to prevent the oil equalizing pipe breakage, this oil equalizing pipe is arranged between a plurality of compressors, to be used for evenly keeping lubricating oil.

Background technology

Usually, air conditioner is the device that basis absorbs in the kind of refrigeration cycle process of compression, condensation, expansion and the evaporation of cold-producing medium or liberated heat carries out air conditioning.The compressor of compressed refrigerant is one of core apparatus in this air conditioner, but because higher pressure and temperature, friction ratio is more serious, and damaged easily.

In order to ensure the reliability of compressor operating, be lubricated or cool off particularly importantly, and what carry out this lubricated and cooling is machine oil, so compressor needs often to keep a certain amount of machine oil.

For this reason, connect the oil equalizing pipe that lubricating oil is moved between a plurality of compressors, the lubricating oil of each compressor can be kept mutually equably thus.

When being connected with the compressor operating of oil equalizing pipe, because the vibration of compressor, oil equalizing pipe can deform, and oil equalizing pipe also can be damaged when serious, causes oil leakage.

In order to address the above problem, the shape of prior art by distortion pipeline under fixed standard voltage etc., pipe arrangement is born when reducing compressor operating impact and displacement have been guaranteed the reliability of oil equalizing pipe with this.

But, under the overvoltage condition when compressor start, can be suddenly apply big torque more than the desired value, so oil equalizing pipe might suffer excessive impact to load.Because in the prior art, under aforesaid high voltage, can produce the above big torque of desired value, so when excessive impact is delivered to oil equalizing pipe, the problem that can exist reliabilities such as oil equalizing pipe breaks to reduce.

Especially, under the situation of the member supporting of not established in addition, be incorporated in the pipeline way of oil equalizing pipe and the equal fuel tap that is suspended in the space is impacted and when vibrating, can cause the durability of oil equalizing pipe to reduce.

Summary of the invention

The present invention proposes in order to address the above problem, even its purpose is to provide compressor to start the off-premises station of the air conditioner of the reliability that also can guarantee oil balancing device under overvoltage.

In order to achieve the above object, the off-premises station according to air conditioner of the present invention comprises: a plurality of compressors that connect at least one refrigerant pipe; The oil equalizing pipe that is connected with described a plurality of compressors is to be used for evenly keeping the machine oil of described a plurality of compressors; Be arranged at least one the equal fuel tap in the pipeline way of described oil equalizing pipe; Described equal fuel tap is fixed to the fixed part of described at least one refrigerant pipe.

Described fixed part can be made with elastic material.

Described fixed part comprises: be formed at first resettlement section of described fixed part one side, to be used to accommodate described equal fuel tap; Be formed at second resettlement section of the opposite side of described fixed part, to be used to accommodate described at least one refrigerant pipe.

Described first resettlement section can be formed for inserting the insertion section and the card platform portion that is used to prevent that described equal fuel tap from excessively entering of described equal fuel tap.

Described fixed part can comprise the cut that is used for described at least one refrigerant pipe is incorporated into described second resettlement section.

Described first resettlement section can be formed with the fluid that is used for flowing into described equal fuel tap side and guide to the first outside guide portion.

Described fixed part can comprise tapered portion, to be used to making described equal fuel tap be easy to be inserted into first resettlement section.

The secure component that also can comprise the stationary state that is used for fastening described fixed part and described refrigerant pipe according to the off-premises station of air conditioner of the present invention.

Described refrigerant pipe comprises cold-producing medium is supplied to the suction pipe arrangement of described compressor and the discharge pipe arrangement of the cold-producing medium that the described compressor of guiding is discharged, and described fixed part can be connected in described equal fuel tap and described suction pipe arrangement.

And air conditioner outdoor unit according to the present invention comprises: a plurality of compressors that connect at least one refrigerant pipe; The oil balancing device that is connected with described a plurality of compressors is to be used for evenly keeping the machine oil of described a plurality of compressors; Described oil balancing device is fixed to the fixed part of described at least one refrigerant pipe.

Described oil balancing device comprises the equal fuel tap in oil equalizing pipe that is communicated with described compressor and the pipeline way that is arranged at described oil equalizing pipe, and described fixed part can be fixed to described equal fuel tap the suction pipe arrangement to described compressor the supply system cryogen in the described refrigerant pipe.

And at least one equal fuel tap that oil balancing device fixed part according to the present invention is used for being arranged on the pipeline way of the oil equalizing pipe that is connected with a plurality of compressors is fixed to the refrigerant pipe that is connected with described compressor.Described oil balancing device fixed part comprises: first resettlement section, to be used to accommodate described equal fuel tap; Second resettlement section is to be used to accommodate described refrigerant pipe.

Described first resettlement section can be formed with the insertion section and the card platform portion that is used to prevent that described equal fuel tap from excessively entering that is used to insert described equal fuel tap.

Described fixed part also can comprise tapered portion, to be used to making described equal fuel tap be easy to be inserted into described first resettlement section.

Also can comprise the fluid that to flow between described equal fuel tap and described first resettlement section according to oil balancing device fixed part of the present invention and guide to outside guide portion.

According to aforesaid the present invention, owing to be contained in the fixed part of the off-premises station of air conditioner oil balancing device is fixed to refrigerant pipe, thereby can be under the situation that does not change oil equalizing pipe the buffer compression machine be applied to the impact of oil balancing device when starting, therefore can minimize the impact of the oil equalizing pipe that is applied directly to the compressor that is connected in startup, prevent the damage of oil equalizing pipe thus.

Description of drawings

Fig. 1 is the stereogram that constitutes substantially according to the off-premises station of the air conditioner of first embodiment;

Fig. 2 is the amplification stereogram of wanting portion according to the off-premises station of the air conditioner of first embodiment;

Fig. 3 is according to the fixed part of the off-premises station that is contained in air conditioner of first embodiment and the exploded perspective view of secure component;

Fig. 4 is the cutaway view of the A-A direction of Fig. 2;

Fig. 5 is the amplification stereogram of wanting portion according to the off-premises station of the air conditioner of second embodiment;

Fig. 6 is the schematic diagram of wanting portion according to the off-premises station of the air conditioner of the 3rd embodiment.

The main symbol description of accompanying drawing: 10 is housing, and 20 is compressor, and 21 for discharging pipe arrangement, 22 for sucking pipe arrangement, and 30 is outdoor heat converter, and 50 is oil balancing device, 51 is oil equalizing pipe, and 52 is equal fuel tap, and 60 is fixed part, 61 is first resettlement section, 62 second resettlement sections, and 63 is cut, 64 is the insertion section, and 65 are card platform portion, and 66 is tapered portion, 67 is first guide portion, and 70 is secure component.

The specific embodiment

Below, embodiments of the invention are described.

Fig. 1 is the stereogram that constitutes substantially according to the off-premises station of the air conditioner of first embodiment, Fig. 2 is the amplification stereogram of wanting portion according to the off-premises station of the air conditioner of first embodiment, Fig. 3 is that Fig. 4 is the cutaway view of the A-A direction of Fig. 2 according to the fixed part of the off-premises station that is contained in air conditioner of first embodiment and the exploded perspective view of secure component.

As shown in Figure 1, form its outward appearance according to the off-premises station of the air conditioner of first embodiment by housing 10, and the inside of housing 10 comprises: make cold-producing medium become a plurality of compressors 20 of high-temperature high-pressure state by compressed refrigerant; Make and to compress the outdoor heat converter 30 that the cold-producing medium that and outdoor air carry out heat exchange by a plurality of compressors 20; Be arranged at the outdoor fan (not shown) of the upper inside of housing 10, being used for that air is drawn into outdoor heat converter 30, and arrange again to outdoor.

The top of housing 10 is formed with outlet 11, to be used for to the air of outside discharge through heat exchange.

The position that heat exchanger 30 is not set in housing 10 sides forms peristome 12, and peristome 12 is provided with control cabinet 40, to be used to be provided for controlling the control assembly of compressor 20 and outdoor fan (not shown) etc.

A plurality of compressors 20 can connect the motor (not shown) that is used for drive compression machine 20 and as the frequency converter (inverter) of electric power supply source, this frequency converter provides the electric power of preset frequency and voltage to motor.

A plurality of compressors 20 are connected with

refrigerant pipe

21,22, and this

refrigerant pipe

21,22 comprises: be connected with each compressor 20 respectively and the cold-producing medium that compressor 20 is discharged guided into the discharge pipe arrangement 21 of outdoor heat converter 30; Be connected with each compressor 20 respectively and will guide the suction pipe arrangement 22 of each compressor 20 into from the cold-producing medium that indoor heat converter (not shown) discharged.

At first embodiment, the off-premises station with three compressors is illustrated as an example, but the present invention comprises the off-premises station of the compressor with plural any number.

In each compressor 20 inside, for each driver part (not shown) of lubricated and cooling compressor 20 inside, the bottom of compressor 20 fills machine oil, and in order to make this machine oil evenly spread to a plurality of compressors 20, the bottom of compressor 20 has oil balancing device 50.

Oil balancing device 50 comprises: be communicated in a plurality of oil equalizing pipes 51 of the bottom of compressor 20, to be used to discharge the machine oil of surplus supply to compressor 20; Be arranged at the equal fuel tap 52 in the pipeline way of oil equalizing pipe 51, to be used for open oil equalizing pipe 51, so that machine oil is from compressor 20 discharges according to the fuel head of machine oil.

For oil balancing device 50, the vibration that produces when action such as starting at overvoltage condition lower compression machine 20, fracture phenomenas can take place in relatively fragile oil equalizing pipe 51, and because this breaking, lubricating oil might leak into the outside.

Especially, to away from being positioned at and the oil equalizing pipe 51 of the oil balancing device 50 of the connecting portion of compressor 20 or equal fuel taps 52, therefore produce the bigger vibration of relative displacement according to impact, need carry out vibration isolation to being away from a side of the oil balancing device of the connecting portion of compressor 20.

For this reason, in first embodiment, be provided for equal fuel tap 52 is fixed to the fixed part 60 of

refrigerant pipe

21,22.

Fixed part 60 can be set to a plurality of with identical shape, so that each equal fuel tap 52 is respectively fixed to each refrigerant pipe 21,22.But, the situation that the equal fuel tap 52 of the compressor 20 of accompanying drawing central portion is fixed to refrigerant

pipe

21,22 is described as an example by fixed part at first embodiment.

As an example, fixed part 60 can with as shutter (louver) absorptions of etc.ing also the elastic material of the effect excellence of damped vibration make, and it is shaft-like than what grow to be length, to couple together between the equal fuel tap 52 that will isolate mutually and the

refrigerant pipe

21,22.

As an example, first embodiment utilizes fixed part 60 that equal fuel tap 52 is fixed to suction pipe arrangement 22 in a plurality of

refrigerant pipes

21,22, to prevent the vibration of oil balancing device 50.

As shown in Figures 2 and 3, fixed part 60 comprises: be formed at two side ends and accommodate equal fuel tap 52 respectively and suck a pair of

resettlement section

61,62 of pipe arrangement 22; Be used for suction pipe arrangement 22 is incorporated into the cut 63 of some resettlement sections 62 of a pair of

resettlement section

61,62.

Resettlement section

61,62 comprises: with first resettlement section 61 that is used to accommodate equal fuel tap 52 that forms corresponding to equal shapes of fuel tap 52; Size is corresponding to the second poroid resettlement section 62 that is that sucks pipe arrangement 22 diameters.

First resettlement section 61 is communicated with up and down.As shown in Figure 4, the downside of described first resettlement section 61 is formed for inserting the insertion section 64 of equal fuel tap 52, and the upper inside of first resettlement section 61 forms to prevent the card platform portion 65 that excessively enters when the equal fuel tap 52 of insertion.

And 64 edge side forms down that the side direction radius becomes big tapered portion 66 to fixed part 60 in the insertion section, so that all fuel tap 52 more easily is inserted into first resettlement section 61.

The inner surface of first resettlement section 61 forms first guide portion 67, is directed swimmingly discharging towards downside to be used to make the fluids such as rainwater that flow into equal fuel tap 52 sides.

On the inner surface of first resettlement section 61, cave in desired depth and form of first guide portion 67 towards vertical direction.And then the fluid that flows into equal fuel tap 52 upsides flows out to the outside and discharges along first guide portion 67.

Cut 63 is inserted into second resettlement section 62 in order to suck pipe arrangement 22, to incision, makes second resettlement section 62 and the external communications with upper and lower.

Be inserted with under the state that sucks pipe arrangement 22 in second resettlement section 62 of fixed part 60,, also can comprise the secure component 70 that is incorporated into fixed part 60 ambient side in order to improve the fastening force between fixed part 60 and the suction pipe arrangement 22.

The plastic injection-moulded thing or the metal material of secure component 70 usefulness elastic materials are made, thereby when secure component 70 is attached to fixed part 60, its two ends are with the direction strain of mutual isolation, and when secure component 70 is attached to fixed part 60 fully, because elasticity is recovered, make that fixed part 60 and the stationary state that sucks between the pipe arrangement 22 are firmer.

As another example, secure component 70 can be common rope (cable tie), is inserted into after second resettlement section of fixed part with the rope binding by sucking pipe arrangement, prevents that with this fixed part from coming off from sucking pipe arrangement.

At this moment, the ambient side of fixed part 60 is recessed to form second guide portion 68 that is used to guide secure component 70 combinations, can carry out the combination action when being used in conjunction with secure component 70 more swimmingly.

The combination action of fixed part 60 is as follows.At first first resettlement section 61 of fixed part 60 is placed the upside of equal fuel tap 52, move down fixed part 60 then, by insertion section 64 equal fuel tap 52 is inserted thus.At this moment, all fuel tap 52 enters in first resettlement section 61, up to since block platform portion 65 move be limited till.

Then, be inserted into second resettlement section 62 that is formed at fixed part 60 by cut 63 with sucking pipe arrangement 22.

Secondly, make secure component 70 strains and slide along second guide portion 68, when secure component 70 combine fully with fixed part 60 and elasticity when recovering, equal fuel tap 52 is finished by fixed part 60 with suction pipe arrangement 22 and is combined.

At this moment, opposite with above-mentioned action, also can at first suction pipe arrangement 22 be inserted into after second resettlement section 62, equal fuel tap 52 is inserted into first resettlement section 61, utilize fixed part 60 that equal fuel tap 52 is combined with suction pipe arrangement 22 with this.

And,,, can comprise the auxiliary retention portion part 23 that adjacent a pair of oil equalizing pipe 51 is interfixed in order to improve the anti-vibration performance of oil balancing device 50 at present embodiment.

As mentioned above, utilization is fixed to suction pipe arrangement 22 according to the fixed part of first embodiment with equal fuel tap 52, therefore be applied to the impact of oil balancing device in the time of can the buffer compression machine starts under the situation that does not change oil equalizing pipe, thereby minimize the impact of the oil equalizing pipe that is applied directly to the compressor that is connected in startup, therefore can prevent the damage of oil equalizing pipe.

Below, the off-premises station of according to a second embodiment of the present invention air conditioner is described.

Compare with first embodiment, difference only is fixed part, and other structures are identical with first embodiment.

Below, describe at comparing structure, and give identical Reference numeral, and omit its explanation for the structure identical with first embodiment with difference with first embodiment.

Fig. 5 is the amplification stereogram of wanting portion according to the off-premises station of the air conditioner of second embodiment.

As shown in Figure 5, the fixed part 80 of second embodiment is arranged at oil equalizing pipe 51 and sucks between the pipe arrangement 22.Oil equalizing pipe 51 is owing to be fixed to the suction pipe arrangement 22 of relative vibration resistance by fixed part 80, even produce vibration when therefore compressor 20 starts, this vibration also can fixed part 80 bufferings, thereby can minimize the impact that is applied to oil equalizing pipe 51.

The length of fixed part 80 is made corresponding to the width dimensions between oil equalizing pipe 51 that is connected and the suction pipe arrangement 22.

Fixed part 80 comprises: be arranged at a side of fixed part 80 and be used to accommodate first resettlement section 81 of oil equalizing pipe 51; Be arranged at another side of fixed part 80 and be used to accommodate second resettlement section 82 that sucks pipe arrangement 22; Be used for oil equalizing pipe 51 and suction pipe arrangement 22 are incorporated into respectively a pair of

cut

83,84 of first resettlement section 81 and second resettlement section 82.

First,

second resettlement section

81,82 forms diameter poroid that diameter corresponds respectively to oil equalizing pipe 51 and sucks pipe arrangement 22.

A pair of

cut

83,84 makes a pair of

resettlement section

81,82 be connected with the outside, is inserted into a pair of

resettlement section

81,82 to be used for oil equalizing pipe 51 and to suck pipe arrangement 22.

At second embodiment, prevent the vibration of oil equalizing pipe 51 by the oil equalizing pipe 51 that fixed part 80 is installed to the downside that is adjacent to equal fuel tap 52, but in the time of also the compressor in the oil equalizing pipe 51 20 can being started vibration is accommodated first resettlement section 81 of fixed part 80 than the part of fragile any side, and will suck second resettlement section 82 that pipe arrangement 22 is accommodated fixed part 80, utilize fixed part 80 that oil equalizing pipe 51 and suction pipe arrangement 22 are coupled together with this.

Below, the off-premises station of the air conditioner of a third embodiment in accordance with the invention is described.

As shown in Figure 6, the fixed part 90 of the 3rd embodiment can be arranged on equal fuel tap 52 and discharge between the pipe arrangement 21.Because all fuel tap 52 is fixed to by fixed part 90 and discharges pipe arrangement 21, therefore,, also can obtain buffering, thereby can minimize the impact that is applied to oil equalizing pipe 51 according to being fixed in the fixed part 90 of discharging pipe arrangement 21 even compressor 20 produces vibration when starting.

Fixed part 90 can be made corresponding to the length of distance between equal fuel tap 52 and the discharge pipe arrangement 21.

Fixed part 90 comprises: first resettlement section 91 that is used to accommodate equal fuel tap 52; Be used to accommodate second resettlement section 92 of discharging pipe arrangement 21; Be used for discharge pipe arrangement 21 is incorporated into the cut (not shown) of second resettlement section 92.

The structure at the position that combines with equal fuel tap 52 in the fixed part 90 can be identical with first embodiment, therefore omits its explanation.

Second resettlement section 92 is size poroid corresponding to the diameter of discharging pipe arrangement 21, and cut (not shown) is identical with the cut 63 of first embodiment.

At the 3rd embodiment, connect equal fuel tap 52 and discharge pipe arrangement 21 by fixed part 90, but also can connect oil equalizing pipe 51 and discharge pipe arrangement 21 by fixed part 90.

At present embodiment, the off-premises station of air conditioner as an example, has been illustrated the pipe arrangement fixed part of oil balancing device.But, evenly keep the also fixed part of applicable present embodiment such as refrigerating plant of oil balancing device of the lubricating oil of compressor for comprising a plurality of compressors and being used for.

Claims

1. the off-premises station of an air conditioner is characterized in that comprising:

The a plurality of compressors that connect at least one refrigerant pipe;

The oil equalizing pipe that is connected with described a plurality of compressors is to be used for evenly keeping the machine oil of described a plurality of compressors;

Be arranged at least one the equal fuel tap in the pipeline way of described oil equalizing pipe;

Described equal fuel tap is fixed to the fixed part of described at least one refrigerant pipe.

2. the off-premises station of air conditioner according to claim 1 is characterized in that described fixed part makes with elastic material.

3. the off-premises station of air conditioner according to claim 1 is characterized in that described fixed part comprises: be formed at first resettlement section of described fixed part one side, to be used to accommodate described equal fuel tap; Be formed at second resettlement section of the opposite side of described fixed part, to be used to accommodate described at least one refrigerant pipe.

4. the off-premises station of air conditioner according to claim 3 is characterized in that described first resettlement section is formed for inserting the insertion section and the card platform portion that is used to prevent that described equal fuel tap from excessively entering of described equal fuel tap.

5. the off-premises station of air conditioner according to claim 3 is characterized in that described fixed part comprises the cut that is used for described at least one refrigerant pipe is incorporated into described second resettlement section.

6. according to the off-premises station of claim 3 or 4 described air conditioners, it is characterized in that described first resettlement section is formed with the fluid that is used for flowing into described equal fuel tap side and guides to the first outside guide portion.

7. the off-premises station of air conditioner according to claim 4 is characterized in that described fixed part comprises tapered portion, to be used to making described equal fuel tap be easy to be inserted into first resettlement section.

8. the off-premises station of air conditioner according to claim 5 is characterized in that also comprising the secure component of the stationary state that is used for fastening described fixed part and described refrigerant pipe.

9. the off-premises station of air conditioner according to claim 1 is characterized in that described refrigerant pipe comprises cold-producing medium is supplied to the suction pipe arrangement of described compressor and the discharge pipe arrangement of the cold-producing medium that the described compressor of guiding is discharged,

Described fixed part is connected in described equal fuel tap and described suction pipe arrangement.

10. the off-premises station of an air conditioner is characterized in that comprising:

The a plurality of compressors that connect at least one refrigerant pipe;

The oil balancing device that is connected with described a plurality of compressors is to be used for evenly keeping the machine oil of described a plurality of compressors;

Described oil balancing device is fixed to the fixed part of described at least one refrigerant pipe.

11. the off-premises station of air conditioner according to claim 10 is characterized in that described oil balancing device comprises the equal fuel tap in oil equalizing pipe that is communicated with described compressor and the pipeline way that is arranged at described oil equalizing pipe,

Described fixed part is fixed to the suction pipe arrangement to described compressor the supply system cryogen in the described refrigerant pipe with described equal fuel tap.

12. an oil balancing device fixed part is characterized in that at least one equal fuel tap that this oil balancing device fixed part is used for being arranged on the pipeline way of the oil equalizing pipe that is connected with a plurality of compressors is fixed to the refrigerant pipe that is connected with described compressor,

Described oil balancing device fixed part comprises: first resettlement section, to be used to accommodate described equal fuel tap; Second resettlement section is to be used to accommodate described refrigerant pipe.

13. oil balancing device fixed part according to claim 12 is characterized in that described first resettlement section is formed with the insertion section and the card platform portion that is used to prevent that described equal fuel tap from excessively entering that is used to insert described equal fuel tap.

14. oil balancing device fixed part according to claim 13 is characterized in that described fixed part also comprises tapered portion, to be used to making described equal fuel tap be easy to be inserted into described first resettlement section.

15. oil balancing device fixed part according to claim 12 is characterized in that the fluid that also comprises flowing between described equal fuel tap and described first resettlement section guides to outside guide portion.