CN100432552C - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN100432552C CN100432552C CNB2004100720969A CN200410072096A CN100432552C CN 100432552 C CN100432552 C CN 100432552C CN B2004100720969 A CNB2004100720969 A CN B2004100720969A CN 200410072096 A CN200410072096 A CN 200410072096A CN 100432552 C CN100432552 C CN 100432552C
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- air
- indoor
- air conditioner
- side shell
- rear side
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Abstract
The present invention discloses an air conditioner which comprises a base, a conditioner box, a partition plate, a compressor, a control box, a heat exchanger and a guide device, wherein the control box is provided with electronic components used for controlling the operation of the air conditioner, and the heat exchanger is used for cooling air. The guide device guides air cooled by the heat exchanger to cool the electronic components. The air conditioner of the present invention is provided with the guide device guiding partial air cooled by an evaporator into the control box, and can prevent the faulty operation caused by the overheating of the control box. The control box is composed of a front housing and a back housing which are provided with electronic components. The overheated air inside the electronic components and the front housing is indirectly cooled by cold air sucked in the back housing, and the dew formation phenomenon and the entrance of dust inside the front housing can be prevented. In addition, a device provided with a refrigerant by-pass tube enables a part of the low-temperature refrigerant of refrigerant pump in the cooling circulation passes through the inside of the control box, so the structure of a cooling structure is simpler.
Description
Technical field
The present invention relates to a kind of air conditioner.Relate in particular to and prevent the overheated of electronic component, prevent compressor and faulty operation indoor, outdoor draft fan, improve the product reliability.
Background technology
In general, air conditioner is to handle inhaled air, and supplies to building or indoor room, thereby the electrical installation of comfortable indoor environment is provided.Air conditioner roughly is divided into type-dividing conditioner and integrated air conditioner.
Though above-mentioned type-dividing conditioner is identical with the integrated air conditioner function, type-dividing conditioner is provided with cooling device in the indoor, and heat release and compression set are set in the outside, and connects between the device that is separated from each other with the refrigerant comb.
Simultaneously, integrated air conditioner will cool off, the function of heat release assembles one, be installed on the wall or window in the room.Directly suck and discharge or be installed in outdoor behind the air of the interior space and suck discharge again behind the room air by the pipeline that is connected with the interior space.
Fig. 6 is the schematic perspective view of the air conditioner of prior art; 7 is the schematic diagram of the internal structure of prior art air conditioner.
As shown in Figure 6, the cabinet 2 of formation air conditioner outward appearance is located at outdoor; Be divided into the space, indoor that sucks room air and discharge in the cabinet 2, suction chamber outer air and the space, outside of discharging; The space, indoor is communicated with the intake line 4 and the discharge line 6 of discharging the air that is cooled or heats from the space, indoor of cabinet 2 to the interior space that room air is drawn into the space, indoor of cabinet 2.
As shown in Figure 7, being provided with in the air conditioner cabinet 2 internal separation is the demarcation strip 10 in space, indoor and space, outside.Be provided with in the space, outside refrigerant be compressed into the compressor 20 of high-temperature high-pressure state, the refrigerant that compressed by compressor 20 and carry out heat exchange between the outdoor inhaled air, make its condenser condensing 22, the refrigerant in condenser 22 condensations is expanded, make its expansion gear that becomes the low-temp low-pressure state 24.The space, indoor is provided with the refrigerant of the low-temp low-pressure state that expands at expansion gear 24 and carries out heat exchange action and make the evaporimeter 28 of its evaporation between the indoor air that blows.
In addition, the space, indoor of air conditioner is provided with indoor blower 32 and outdoor draft fan, and indoor blower 32 produces air-supply power, by intake line 4 after the space, indoor sucks room air, make it pass through evaporimeter 24, then, be discharged to the interior space again by discharge line 6; Outdoor draft fan produces air-supply power, after the suction chamber outer air, is discharged to after making it by condenser 22 outdoor once more.
The space, outside of above-mentioned air conditioner also is provided with control cabinet 30, has the electronic component that is used to control compressor 20, indoor blower 32, outdoor draft fan etc. in the control cabinet 30.
But in the air conditioner according to prior art, the heat of generations such as the too high or compressor of outdoor temperature is inhaled into control cabinet when inner, can make that electronic component is overheated.
The electronic component of air conditioner is overheated, can cause the faulty operation of compressor and indoor blower and outdoor draft fan, thereby reduces reliability of products.
Summary of the invention
Technical problem to be solved by this invention is, a kind of air conditioner is provided, and prevents the overheated of electronic component, improves product reliability.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: air conditioner of the present invention is made of control cabinet, heat exchanger, guider, and control cabinet has the electronic component of control operation of air-conditioner; Heat exchanger is used to cool off air; The guider guiding comes cooling electronic components by the air of cools down.
Above-mentioned control cabinet includes front side shell and rear side shell, in the shell of front side electronic component is installed; Have the cold air path between rear side shell and the front side shell, make by guider guiding air by and the front side shell between the space.
Above-mentioned rear side shell is formed with the inlet hole that is connected with guider, and is formed with tap, discharges the air by the rear side enclosure.
Above-mentioned guider one end is positioned at the rear side of heat exchanger, and the other end is connected on the inlet hole, and the air through cools down can be flowed into.
Air conditioner of the present invention is made of cooling-cycle device, control cabinet, refrigerant bypass pipe device, described cooling-cycle device utilization is after the refrigerant of compressor, condenser, expansion gear, evaporimeter circulation absorbs the heat of room air, again to the outdoor heat of emitting; The electronic component that has the control operation of air-conditioner in the described control cabinet; Described refrigerant bypass pipe device is to the inner guiding refrigerant of control cabinet, makes the refrigerant cooling electronic components that circulates in cooling-cycle device.
Above-mentioned air conditioner also comprises intake line, discharge line, indoor blower, outdoor draft fan, and described intake line is used to guide indoor air; Described discharge line is carrying out heat-exchanged air to indoor guiding by intake line; Described indoor blower makes indoor air be inhaled into the space, indoor by above-mentioned intake line, and is then indoor by being discharged to by discharge line behind the indoor heat converter again; Described outdoor draft fan makes the outdoor air that carries out heat exchange after the suction chamber outer air be discharged to outdoor.
The invention has the beneficial effects as follows: air conditioner of the present invention has the guider of the part of the room air that passes through evaporator cools to the control cabinet guiding, thereby can prevent the overheated faulty operation that causes of control cabinet.
In addition, control cabinet is made of front side shell with electronic component and the rear side shell that is positioned at front side shell rear side.The overfire air of electronic component and front side enclosure portion overleaf cools off indirectly with the cold air that is drawn into the rear side shell, thereby prevents the dewfall phenomenon of front side enclosure and enter dust.
Also have, be provided with refrigerant bypass pipe device among another embodiment of air conditioner of the present invention, make by the process of the part in the refrigerant of the low-temperature condition in the refrigerant of cool cycles control cabinet inside, thereby make the structure of the cooling device that prevents that control cabinet is overheated simpler.
Description of drawings
Fig. 1 is the schematic perspective view of air conditioner one embodiment of the present invention.
Fig. 2 is the generalized section of the primary structure of air conditioner of the present invention.
Fig. 3 is the expansion generalized section of the control cabinet among Fig. 2.
Fig. 4 is the schematic diagram of another embodiment of air conditioner of the present invention.
Fig. 5 is the expansion generalized section of the control cabinet among Fig. 4.
Fig. 6 is the schematic perspective view of the air conditioner of prior art.
Fig. 7 is the schematic diagram of internal structure of the air conditioner of prior art.
Among the figure:
50: base 51: intake line
52: discharge line 54: cabinet
56: demarcation strip 60: compressor
62: condenser 63: expansion gear
64: evaporimeter 65: electronic component
66: control cabinet 67: the front side shell
67a: back side portion 68: rear side shell
69a: suction line 69b: tap
70: indoor blower 71: outdoor draft fan
72: motor 74: indoor Air Blast fan
76: fan drum 78: outdoor Air Blast fan
80: guiding parts 82: refrigerator pipe
90: refrigerant bypass pipe device
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 1 is the schematic perspective view of air conditioner one embodiment of the present invention; Fig. 2 is the generalized section of the primary structure of air conditioner of the present invention; Fig. 3 is the expansion generalized section of the control cabinet among Fig. 2.
As shown in the figure, air conditioner of the present invention is made of base 50, cabinet 54, demarcation strip 56, compressor 60, condenser 62, expansion gear 63, evaporimeter 64, control cabinet 66, guider 80, described cabinet 54 is installed on the base 50, is connected with suctions when forming the air conditioner outward appearance, discharges the intake line 51 and the discharge line 52 of indoor air; Demarcation strip 56 is installed in above the base 50, is cabinet 54 internal separation indoor and outside; Compressor 60 is arranged on the outside and is used for compression refrigerant; Condenser 62 is heat exchangers, is arranged on the outside, makes the refrigerant of the condition of high temperature and ambient air carry out heat exchange action; Expansion gear 63 is expanded to the low-temp low-pressure state to the refrigerant that is condensed at condenser 62; Evaporimeter 64 is heat exchangers, is arranged on the indoor, carry out heat exchange action between the refrigerant that makes the low-temperature condition that flows into from expansion gear 63 and the institute's inhaled air after, cool off institute's inhaled air; The electronic component 65 that has control compressor 60, condenser 62 and evaporimeter 64 etc. in the control cabinet 66; Guider 80 guiding air, making can cooling electronic components 65 by the air of evaporimeter 64 coolings.
Above-mentioned air conditioner also comprises intake line 51, discharge line 52, indoor blower 70, outdoor draft fan 71, and intake line 51 is used to guide indoor air; Discharge line 52 is carrying out heat-exchanged air to indoor guiding by intake line 51; Indoor blower 70 makes indoor air be inhaled into the space, indoor by intake line 51, then by behind the indoor heat converter, is discharged to indoor by discharge line 52 again; Outdoor draft fan 71 makes the outdoor air that carries out heat exchange after the suction chamber outer air be discharged to outdoor.
Above-mentioned indoor blower 70 is made of motor 72, the indoor Air Blast fan 74 that links to each other with motor 72, fan drum 76 around indoor Air Blast fan 74.
Be formed with the air suction inlet 77 that sucks air from evaporimeter 64 to fan drum 76 on the said fans shell 76.
Above-mentioned control cabinet 66 includes front side shell 67 and rear side shell 68, and electronic component 65 is installed in the front side shell 67; Have the cold air path between rear side shell 68 and the front side shell 67, make the air that guides by guider 80 by the space between the front side shell 67.
The rear side of above-mentioned front side shell 67 is formed with the 67a of back side portion that separates with rear side shell 68, makes the room air by rear side shell 68, through heat exchange action, carries out heat exchange with electronic component 65, and it is cooled indirectly.
In addition, also be formed with on the above-mentioned rear side shell 68 and be connected with guider 80 and suck the inlet hole 69a of cooled air, with the tap 69b of the air of discharging cooling control cabinet 66 inside.
Above-mentioned guider 80 1 ends are positioned at the rear side of evaporimeter 64, and the other end is connected on the inlet hole 69a, and the air through evaporimeter 64 coolings can be flowed into.
Above-mentioned guider 80 is a cold air comb 82, and the one end is connected with the inside of fan drum 76, allows to suck the part of air of being cooled off by evaporimeter 64.
The effect of outdoor Air Blast fan 78 is to make outdoor air be inhaled into the space, outside by the suction inlet 55 that is formed on condenser 62 sides, then after heat exchange is carried out in the space, outside, is discharged to outdoor again.
According to the structure of air conditioner of the present invention as mentioned above, the following describes the effect of air conditioner.
At first, when air conditioner starts with refrigeration mode, compressor start and compression refrigerant, compressed refrigerant is in compressor 60, condenser 62, evaporimeter 64 inner loop.
And after indoor blower 70 was connected power supply, motor 72 started, and Air Blast fan 74 in the turning cell.At this moment, indoor air by behind the intake line 51, is inhaled into the space, indoor by the rotation of indoor Air Blast fan 74.In the time of then by evaporimeter 64 and refrigerant carry out being cooled after the heat exchange, and then flow into fan drum 76 by air suction inlet 77.
Part in the room air that is cooled is passed through the cold air comb 82 that is connected with the inside of fan drum 76, and is inhaled into by the suction line 69a of rear side shell 68.
Simultaneously, the hot gas in electronic component 65 suction chambers of front side shell 67 outsides or when being delivered to the heat of compressor 60 can make the air of front side shell 67 inside overheat.
At this moment, be inhaled into the cold air of rear side shell 68, and by the overheated air of overheated electronic component 65 and front side shell 67 inside, the 67a of portion carries out heat exchange overleaf.Because the characteristic of heat is to move on the cryogenic object from high temp objects, so the heat of electronic component 65 and front side shell 67 inside moves and cooling electronic components 65 to rear side shell 68 directions.
Then, be discharged to the outside by the outlet 69b of the air of heat exchange by rear side shell 68 other ends in the rear side shell 65.
Simultaneously, flow into the air of fan drum 76, discharge once more, the interior space is freezed by the discharge line 52 of cabinet 54.
And the suction inlet 55 of the condensation side direction of outdoor air by being formed on cabinet 54 is inhaled into the space, outside, and by condenser 62 time, absorb the heat of refrigerant after, the back side by cabinet 54 is discharged to outdoor.
Fig. 4 is the schematic diagram of another embodiment of air conditioner of the present invention; Fig. 5 is the expansion generalized section of the control cabinet among Fig. 4.As shown in the figure, another embodiment of air conditioner of the present invention is made of cooling-cycle device, control cabinet 66, refrigerant bypass pipe device 90, the cooling-cycle device utilization is after the refrigerant of compressor 60, condenser 62, expansion gear 63, evaporimeter 64 circulations absorbs the heat of room air, again to the outdoor heat of emitting; The electronic component 65 that has the control operation of air-conditioner in the control cabinet 66; Refrigerant bypass pipe device 90 is to control cabinet 66 inner guiding refrigerant, makes the refrigerant cooling electronic components 65 that circulates in cooling-cycle device.
Above-mentioned air conditioner also comprises intake line 51, discharge line 52, indoor blower 70, outdoor draft fan 71, and intake line 51 is used to guide indoor air; Discharge line 52 is carrying out heat-exchanged air to indoor guiding by intake line 51; Indoor blower 70 makes indoor air be inhaled into the space, indoor by intake line 51, then by behind the indoor heat converter, is discharged to indoor by discharge line 52 again; Outdoor draft fan 71 makes the outdoor air that carries out heat exchange after the suction chamber outer air be discharged to outdoor.
Above-mentioned refrigerant bypass pipe device 90 runs through towards the inboard of rear side shell 68, makes it possible to be inserted between front side shell 67 and the rear side shell 68.
Above-mentioned refrigerant bypass pipe device 90 is owing to suck the refrigerant of low-temperature condition, so for cooling electronic components 65 is preferably disposed on the refrigerant comb 61 by expansion gear 63,
Here, other structures are identical with the first embodiment of the present invention, use identical figure number, and omit its detailed description.
The following describes the course of action of an alternative embodiment of the invention.
At first, compressor 60 sends to condenser 62 to the gas coolant of HTHP after starting, and carries out heat exchange action by the refrigerant and the ambient air of condenser 62, becomes liquid condition from the gaseous state condensation of HTHP, flows into expansion gear 63 then.Refrigerant by above-mentioned expansion gear 63 expands becomes 2 phase refrigerants of low-temp low-pressure.
Here, the part in the refrigerant of low-temp low-pressure is passed through the refrigerant bypass pipe device 90 that is connected with refrigerant comb 61, and is flow into the inside of rear side shell 68 by the refrigerant bypass pipe device 90 that runs through to rear side shell 68 inboards.
After this, after the refrigerant that is flowed into and the air of rear side shell 68 inside carry out heat exchange, the inner air of cooling rear side shell 68.The air of the same cooling electronic components 65 of the air of rear side shell 68 inside that are cooled and front side shell 67 inside with above-mentioned first embodiment.
Simultaneously, behind the refrigerant inflow evaporator 64 by expansion gear 63, be evaporated when carrying out the heat exchange heat absorption with the room air that is sucked.The refrigerant of the gaseous state that is evaporated circulates to compressor 60 directions.That is, the refrigerant of the low-temperature condition by refrigerant bypass pipe device 90 flow into control cabinet 66 constantly and prevents superheating phenomenon.The control cabinet cooling device of aforesaid air conditioner is applicable to the heat pump type air conditioner with cross valve too.
Claims (5)
1. an air conditioner comprises base, cabinet, and demarcation strip, compressor is characterized in that, also comprises control cabinet, heat exchanger, guider, control cabinet have the electronic component of control operation of air-conditioner; Heat exchanger is used to cool off air; The guider guiding comes cooling electronic components by the air of cools down.
2. air conditioner according to claim 1 is characterized in that, above-mentioned control cabinet comprises front side shell and rear side shell, in the shell of front side electronic component is installed; Between rear side shell and the front side shell cold air path is arranged, the space of air between rear side shell and front side shell of guider guiding passed through.
3. air conditioner according to claim 2 is characterized in that, above-mentioned rear side shell is formed with the inlet hole that is connected with guider, and is formed with tap, discharges the air by the rear side enclosure.
4. air conditioner according to claim 3 is characterized in that, above-mentioned guider one end is positioned at the rear side of heat exchanger, and the other end is connected on the inlet hole, and the air through cools down can be flowed into.
5. according to claim 1 or 2 or 3 or 4 described air conditioners, it is characterized in that above-mentioned air conditioner also comprises intake line, discharge line, indoor blower, outdoor draft fan, described intake line is used to guide indoor air; Described discharge line is carrying out heat-exchanged air to indoor guiding by intake line; Described indoor blower makes indoor air be inhaled into the space, indoor by above-mentioned intake line, and is then indoor by being discharged to by discharge line behind the indoor heat converter again; Described outdoor draft fan makes the outdoor air that carries out heat exchange after the suction chamber outer air be discharged to outdoor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100720969A CN100432552C (en) | 2004-09-24 | 2004-09-24 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100720969A CN100432552C (en) | 2004-09-24 | 2004-09-24 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1752606A CN1752606A (en) | 2006-03-29 |
| CN100432552C true CN100432552C (en) | 2008-11-12 |
Family
ID=36679560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100720969A Expired - Fee Related CN100432552C (en) | 2004-09-24 | 2004-09-24 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100432552C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954538A (en) * | 2011-08-31 | 2013-03-06 | 乐金电子(天津)电器有限公司 | Window type air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245187Y (en) * | 1995-12-27 | 1997-01-15 | 杭州东宝电器有限公司 | Cold and hot dual-purpose window type air conditioner |
| CN2255579Y (en) * | 1996-04-22 | 1997-06-04 | *** | Low-noise window-type air conditioner |
| JP2000234844A (en) * | 1999-02-16 | 2000-08-29 | Hoshizaki Electric Co Ltd | Refrigeration apparatus |
| JP2001021179A (en) * | 1999-07-07 | 2001-01-26 | Mitsubishi Electric Corp | Outdoor unit for cooler |
| JP2001324174A (en) * | 2000-05-16 | 2001-11-22 | Sanyo Electric Co Ltd | Freezer unit |
-
2004
- 2004-09-24 CN CNB2004100720969A patent/CN100432552C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245187Y (en) * | 1995-12-27 | 1997-01-15 | 杭州东宝电器有限公司 | Cold and hot dual-purpose window type air conditioner |
| CN2255579Y (en) * | 1996-04-22 | 1997-06-04 | *** | Low-noise window-type air conditioner |
| JP2000234844A (en) * | 1999-02-16 | 2000-08-29 | Hoshizaki Electric Co Ltd | Refrigeration apparatus |
| JP2001021179A (en) * | 1999-07-07 | 2001-01-26 | Mitsubishi Electric Corp | Outdoor unit for cooler |
| JP2001324174A (en) * | 2000-05-16 | 2001-11-22 | Sanyo Electric Co Ltd | Freezer unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1752606A (en) | 2006-03-29 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 |