KR20080041077A - Air conditioner - Google Patents

Abstract

An air conditioner is provided to secure easy fixing of a power cord by forming a plurality of containing spaces with different size from each other in a cord fixture and containing power cords with various sizes. An air conditioner comprises a base pan(500) and a power cord. The base pan forms appearance of a lower part and supports load of a plurality of components. The power cord applies a power supply to the components. A cord fixture(590) for receiving some of the power cord and restricting movement is coupled to the base pan.

Description

Air Conditioner {Air conditioner}

1 is a longitudinal sectional view schematically showing a state in which a power cord is fixed inside an air conditioner according to the prior art;

Figure 2 is a front perspective view showing the appearance configuration of a preferred embodiment of the air conditioner according to the present invention.

Figure 3 is a rear perspective view showing the appearance configuration of a preferred embodiment of the air conditioner according to the present invention.

Figure 4 is an exploded perspective view showing the internal configuration of an embodiment of the present invention.

5 and 6 is a front and rear perspective view showing a detailed rear frame configuration constituting an embodiment of the present invention.

7 and 8 is a front and rear perspective view showing a detailed configuration of the suction grill constituting an embodiment of the present invention.

9 is a perspective view showing a state in which the cord fastener constituting the embodiment of the present invention is coupled to the base pan.

10A and 10B are top and bottom perspective views of a cord fastener constituting an embodiment of the present invention.

11a to 11c is a longitudinal cross-sectional view showing a process in which the cord fastener constituting the embodiment of the present invention is coupled to the base pan.

12 is a flow diagram of air showing a state in which air flows in the embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100. Front Frame 110. Discharge Louver

200. Front panel 210. Outlet

300. Rear frame 302. Fresh air inlet

304. Filter frame 310. Suction grill

313. Chint receiving groove

316. Grill fastening hook 317. Grill fastening protrusion

320. Pre-filter 330. Lower grill

340. Handle 360. Grille Mount

362. Filter fixing hook 370. Frame fastening protrusion

372. Removing groove 400. Exhaust means

500. Base Fan 502. Wheels

504. Seating Section 504'.Reinforcement Rib

505. Fixture fastening hole 506. Fixture catching hole

508. Code Guide 508'.Code Exposure Home

510. First heat exchanger 520. Compressor

530. Accumulator 540. Condensate detector

550. Condensate pumps 560. Condensate piping

570. Brace 580. Support Angle

590. Code Fixtures 592. Fasteners

593. Fasteners 594. Receptacles

594'.Pressure protrusion 596.Accommodation space

596 '. 1st accommodation space 596 ". 2nd accommodation space

598. Fixture reinforcing ribs 599. Fixture catching protrusions

600. Lower orifice 620. Lower air guide

630. Lower Fan 640. Housing Groove

650. Exhaust Guide 660. Lower Motor

670. Motor Support 700. Main Drain Pan

750. Secondary Drain Fan 800. Upper Air Guide

810. Upper Fan Housing 820. Upper Motor

830. Upper Motor Support 840. Upper Fan

850. Upper orifice 860. Second heat exchanger

 C. Power cord S. Fastening member

The present invention relates to an air conditioner, and more particularly, a cord fixing tool for fixing a power cord on an upper surface of a base fan is provided, and the cord fixing tool includes an air conditioner having a plurality of receiving spaces recessed in different sizes. It is about.

In general, an air conditioner includes a component such as a compressor, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger. The air conditioner is mainly used to maintain an indoor space at a predetermined temperature to make the indoor space comfortable.

In other words, the air conditioner is a cooling / heating device installed in a room or a wall of a room such as a vehicle, an office, or a home, for cooling or heating the room. Equipment for constituting a heating cycle by a refrigeration cycle or a reverse circulation of a refrigerant.

Therefore, the number of power cords is inevitably increased because a plurality of electric components are built in a conventional general air conditioner. A structure for arranging such a power cord inside an air conditioner is shown in FIG.

As shown in the figure, a plurality of bosses 2 for fastening the screw 1 are provided inside the air conditioner. The inside of the boss 2 is provided with a fastening groove 2 'recessed downward from the upper surface to which the fastening screw 1 is fastened.

And, the upper side of the boss (2) is provided with a connector (4). The connector 4 includes a pair of fastening portions 5 having a plate shape and a substantially cylindrical restriction portion 6 having an open right side.

A hole 5 'is drilled in the pair of fastening portions 5 to allow the fastening screw 1 to be inserted, and the left end of the fastening portion 5 is formed to connect with the restraint portion 6. .

Accordingly, the power cord 8 is inserted into the restraint part 6, and the lower end of the fastening screw 1 inserted into the hole 5 ′ after the pair of fastening parts 5 is brought into contact with the fastening part 5 is fastened. The power cord 8 is restrained in the restraint 6 when it is fastened to the groove 2 '.

However, the fixing structure of the power cord 8 configured as described above has the following problems.

That is, the power cord 8 fixed to the boss 2 while inserted into the connector 4 is rotated about the fastening screw 1 when a strong tensile force is applied from the outside.

And, if this process is repeated, the fastening screw 1 is separated from the fastening groove 2 'and the power cord 8 has a problem that the restraint is terminated.

In addition, the air conditioner is provided with a power cord 8 of various thicknesses. However, the interior of the restraint 6 is configured to maintain a constant size.

Therefore, there is a problem that the productivity is lowered because the connector (4) to match the thickness of the power cord 8 to be fixed should be provided in various ways.

Therefore, an object of the present invention is to solve the problems of the prior art as described above, by forming a plurality of receiving spaces of different sizes in the cord fixture for fixing the power cord to accommodate the power cord of various thickness An air conditioner for easily fixing a cord is provided.

Another object of the present invention is to provide an air conditioner for increasing the restraint force of a power cord by providing a pressurizing protrusion for pressurizing an outer surface of the power cord on one side of the cord anchorage.

Still another object of the present invention is to provide an air conditioner which prevents the rotation of the cord anchorage by forming the anchorage projection on one side of the cord anchorage and causing the anchorage projection to be locked to the anchorage hole drilled in the base pan.

An air conditioner according to the present invention for achieving the above object, the base fan to form a lower appearance, and to support the load of a plurality of parts; A power cord for supplying power to the plurality of components; The base fan is characterized in that the cord fixture is coupled to limit the flow by receiving a portion of the power cord.

One side of the base fan, protruding upward from the bottom surface, characterized in that the seating portion is provided with the cord fixing sphere is mounted on the upper surface.

The seating portion is recessed and formed with a fastener fastening hole to which the fastening member is fastened, and a fastener catching hole which is perforated to insert one end of the cord fixing tool.

The cord fixing tool is characterized in that it comprises a fastening piece which is seated in the seating portion and fastened to the fastener fastening hole, and is formed to extend roundly at the end of the fastening piece to accommodate the power cord.

On one side of the receiving portion, a plurality of receiving space for the power cord is accommodated, the pressing projection projecting from the inside of the receiving space to press the power cord, the fastener locking projection is formed to be inserted into the fixing hook hole constrained Characterized in that it is provided.

The plurality of receiving spaces are characterized by being formed in different sizes.

The pressing projection is characterized in that it is formed in a direction orthogonal to the longitudinal direction of the power cord accommodated in the receiving space.

The fastening piece and the receiving portion is characterized in that it is formed integrally.

One side of the upper surface of the cord fastener, characterized in that it is provided with a fixture reinforcing rib protruding upward to support the elastic when the fixture is deformed.

One side of the base fan, protrudes in an upward direction to partition the upper space of the base fan, characterized in that provided with a cord guide for guiding the extraction direction of the power cord.

According to this invention which has such a structure, there exists an advantage that work efficiency improves.

Hereinafter, a configuration of an air conditioner according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

2 and 3 are perspective views showing the front and rear appearance of the air conditioner according to the present invention.

As shown in these figures, the air conditioner according to the present invention has an overall appearance by the front frame 100 and the front panel 200 forming the appearance of the first half, and the rear frame 300 forming the appearance of the second half. It is formed roughly.

The front frame 100 forms a skeleton of the first half and at the same time partially forms the appearance of the upper and left and right sides, the upper surface is provided with a control panel 120 to enable the user to operate the air conditioner.

The rear frame 300, as well as the rear appearance of the air conditioner according to the present invention, is configured to simultaneously form the appearance of the upper and left and right sides, such rear frame 300 to the outside heat exchanged air (especially, Exhaust guide means 400 for discharging to the outdoor) is installed. The configuration of the exhaust guide means 400 will be described in detail below.

4 is an exploded perspective view showing the configuration of an air conditioner according to the present invention.

As shown, the front frame 100 described above is formed in a rectangular shape. In addition, the front frame 100 is configured such that the central portion is further protruded forward. Therefore, the front frame 100 is formed to have a round curvature as a whole when viewed from the side.

The grille fitting 102 is formed near the upper end of the front frame 100. The grill installation hole 102 is a portion on which the discharge louver 110 to be described below is mounted, and is formed to have a right and left shape to have a rectangular shape.

The upper surface of the front frame 100 is formed to be inclined forward at a predetermined angle, the upper surface of the front frame 100 is formed with a panel opening 104 through which the operation panel 120, which will be described below, is installed. . The panel sphere 104 has a rectangular shape corresponding to the shape of the operation panel 120 to be described below.

The front panel 200 described above is formed of a rectangular flat plate to form a front appearance of the air conditioner according to the present invention. The front panel 200 is fixedly installed in front of the front frame 100. Therefore, the front panel 200 has a shape corresponding to the front surface of the front frame 100. That is, the front panel 200 has a rounded shape (circular shape) as the front portion of the front frame 100 protrudes further forward than the top and bottom.

The grille installation hole 102 of the front frame 100 is provided with a discharge louver 110 for guiding the external discharge of air that is air conditioning (cooling or heating). The discharge louver 110 controls the discharge direction of the air, and a plurality of discharge louvers are provided therein to guide the air to be discharged in the vertical or horizontal directions.

The operation panel 120 is installed in the panel sphere 104. The operation panel 120 is for user's operation, and a plurality of buttons and the like are installed to protrude outward. That is, a pair of button assemblies 122 are provided below the operation panel 120, and a plurality of buttons provided in the button assembly 122 pass through the operation panel 120 and are exposed upward.

An operation PCB (PCB) 124 is installed below the button assembly 122. The manipulation PCB 124 changes the button operation of the button assembly 122 into a signal and transmits the signal to a control unit (not shown). The manipulation PCB 124 is supported by the manipulation frame 126. And, the outside of the operation PCB 124 is wrapped in a rectangular box-shaped PCB case 128.

The discharge port 210 is formed in the vicinity of the upper end of the front panel 200. The discharge port 210 is a portion in which air which is air-conditioned (cooling or heating) is discharged forward, and has a rectangular shape corresponding to the discharge louver 110.

The rear frame 300 is coupled to the front frame 100. Therefore, the front end of the rear frame 300 is formed in a shape corresponding to the front frame 100. That is, the left and right side front end portions of the rear frame 300 protrude forward relatively so that the center portion has a relatively rounded curvature to correspond to the left and right rear end portions of the front frame 100.

The upper half of the rear frame 300 is formed with an outside air inlet 302 penetrating back and forth. The outside air inlet 302 is a passage through which the outside (indoor) air is sucked into the air conditioner, and has a square shape.

A central filter frame 304 corresponding to the outside air inlet 302 is further formed at the center of the outside air inlet 302. The filter frame 304 is preferably formed to have a smaller size than the outside air inlet 302, and is supported such that a special filter such as a deodorizing filter 322 to be described below is installed.

The outside air inlet 302 is shielded by the suction grill 310. Outside air (indoor air) is introduced into the air conditioner through the suction grill 310. Therefore, a plurality of holes are formed through the suction grill 310. The suction grill 310 is formed to have a size corresponding to that of the external air inlet 302, and more specifically, is formed in a state inclined slightly forward.

A prefilter 320 is installed at the edge of the outside air inlet 302. The prefilter 320 filters the foreign matter in the air flowing through the suction grill 310 and is formed to have a size corresponding to that of the external air inlet 302.

A deodorizing filter 322 is further provided in front of the prefilter 320. The deodorization filter 322 is to remove the odor component in the air flowing through the suction grill 310, is formed in a size corresponding to the size of the filter frame 304 is fixed to the filter frame 304 Is installed.

The lower grill 330 is integrally formed at the lower half of the rear frame 300. The lower grill 330 guides the air to be sucked into the air conditioner and at the same time prevents the inflow of foreign substances from the outside.

The rear frame 300 is further provided with a handle 340. That is, the handle hole 342 is formed around the upper left and right sides of the rear frame 300, the handle 340 is inserted into the handle hole 342 is installed. The handle 340 is for the user to easily lift and move the air conditioner.

The exhaust guide means 400 is connected to the rear frame 300. The exhaust guide means 400 is for discharging the air heat exchanged in the air conditioner to the outside (outdoor), one end is connected to the rear frame 300, the other end is installed to be exposed to the outside of the building desirable.

The exhaust guide means 400 is installed to communicate with the lower half of the rear frame 300, the exhaust duct 410, the exhaust nozzle 420, the frame connector 430 and the nozzle connector 440, etc. It is composed.

The exhaust duct 410 consists of a long cylindrical tube to guide the flow of the exhaust, the exhaust nozzle 420 is an end for guiding the exhaust flow through the exhaust duct 410 to be finally discharged. The exhaust duct 410 is made of a flexible material or shape, it is preferably configured to bend (bending).

In addition, the frame connector 430 is provided between the rear frame 300 and the exhaust duct 410 to guide the lower end of the exhaust duct 410 to be mounted to the rear frame 300. The nozzle connector 440 is provided between the exhaust duct 410 and the exhaust nozzle 420 so that the exhaust nozzle 420 is fastened to the upper end of the exhaust duct 410.

The air conditioner lower appearance of the present invention is formed by the base fan 500. The base fan 500 is coupled to the lower end of the front frame 100 and the rear frame 300, and supports a plurality of parts to be described below, made of a square flat plate shape as shown.

A plurality of moving wheels 502 are installed on the bottom of the base fan 500. The moving wheel 502 is for facilitating the movement of the air conditioner, and is installed at each corner of the base fan 500 in a square shape.

The first heat exchanger 510 is installed at the center of the upper surface of the base fan 500. That is, the first heat exchanger 510 is installed at the center of the base fan 500 before and after. The first heat exchanger 510 serves to cool (or heat) the refrigerant by heat exchange between the refrigerant flowing therein and the air.

That is, air flowing through the lower grill 330 formed in the lower half of the rear frame 300 passes through the first heat exchanger 510 and exchanges heat with the refrigerant flowing in the first heat exchanger 510. The heat exchanged while passing through the first heat exchanger 510 is discharged to the outside (outdoor) through the exhaust guide means 400.

The compressor 520 is installed on the right side of the first heat exchanger 510. The compressor 520 is installed at the rear end of the right portion of the base fan 500, and is supported by a triangular compression frame 522, and the compression frame 522 is mounted to the base fan 500. .

An accumulator 530 is installed beside the compressor 520. The accumulator 530 filters the liquid refrigerant so that only the gaseous refrigerant flows into the compressor 520.

The condensate detection device 540 is installed in front of the compressor 520. The condensate detection device 540 is a device that detects the amount of condensate accumulated on the upper surface of the base pan 500 when the amount of the condensate reaches a predetermined amount or more, and displays it externally.

A condensate pump 550 is further installed at the right front end of the base pan 500. The condensate pump 550 is a device for pumping condensate accumulated in the base fan 500 and supplying the condensate to the auxiliary drain pan 750 to be described below.

The condensate pump 550 is connected to the condensate pipe 560 is installed. The condensate pipe 560 is to be a passage for guiding the condensed water forced by the condensate pump 550 to the auxiliary drain pan 750 to be described below. Therefore, the lower end of the condensate pipe 560 is connected to the condensate pump 550, the upper end is connected to the auxiliary drain pan 750 to be described below.

A brace 570 is further installed at the right end of the base fan 500. The brace 570 is for supporting the right end of the main drain pan 700 to be described below, and is made of a rectangular flat plate. The brace 570, the lower end is fixed to the upper right end of the upper surface of the base pan 500, the upper end is fixed to the right end of the main drain pan 700 to be described below.

In addition, a support angle 580 may be further installed at the front end of the base fan 500. That is, the support angle 580 is installed up and down at the front end portion of the base fan 500 to support the tip load of the main drain fan 700 to be described below. Of course, the support angles 580 may be installed in pairs on the left and right ends of the main drain pan 700 to be described below.

A cord fixing tool 590 is provided at the rear half of the upper surface of the base fan 500. The cord fixing tool 590 is for restraining the power cord (reference C of FIG. 10B) for supplying power to a plurality of components from flowing inside the air conditioner.

That is, the cord fixing tool 590 accommodates a portion of the power cord C therein, and is fixed to the seating portion 504 protruding upward from the upper surface of the base fan 500. In addition, the cord fixing tool 590 limits the flow by pressing and restraining the outer surface of the power cord C accommodated therein.

Therefore, the power cord C partially exposed to the outside of the air conditioner is no longer drawn out from the inside of the air conditioner even when a tensile force is applied from the outside.

The configuration description of the cord fastener 590 and the seating portion 504 will be described in detail below.

The lower orifice 600 is installed on the left side of the first heat exchanger 510. The lower orifice 600 supports a plurality of components such as the upper orifice 850 and the upper air guide 800 which will be described below, and simultaneously guides the air passing through the first heat exchanger 510 to the left. . Therefore, a circular orifice hole 602 is formed in a central portion of the lower orifice 600.

The lower air guide 620 is installed on the left side of the lower orifice 600. The lower air guide 620 guides the flow of air together with the lower orifice 600.

A lower fan 630 is disposed between the lower orifice 600 and the lower air guide 620 to force the flow of air. Accordingly, the lower orifice 600 and the lower air guide 620 are formed to be symmetrically formed with a housing groove 640 for guiding air flowing by the lower fan 630.

That is, housing grooves 640 are formed on the left side of the lower orifice 600 and the right side of the lower air guide 620, respectively, to guide air discharged by the lower fan 630. The housing groove 640 is formed to have a diameter larger than the outer diameter of the lower fan 630 to surround the lower fan 630.

At the rear end of the lower orifice 600 and the lower air guide 620, an exhaust guide 650 of symmetrical shape is further formed. The exhaust guide 650 serves to guide the air guided by the housing groove 640 to the exhaust guide means 400, the upper end of which has a shape corresponding to the lower end of the exhaust guide means 400. Have

A circular exhaust grill 652 is inserted into and mounted on an inner upper end portion of the exhaust guide 650. The exhaust grill 652 serves to prevent foreign substances from being introduced into the lower side of the exhaust guide 650 from the outside.

The lower motor guide 620 is formed in the center of the lower motor hole 622 through. Therefore, the lower motor 660 is inserted into and fixed to the lower motor hole 622. The lower motor 660 generates rotational power by power supplied from the outside, and provides the lower fan 630 to rotate the lower fan 630.

A lower motor support 670 is further installed on the left side of the lower air guide 620. The lower motor support 670 is to more firmly support the lower motor 660 mounted on the lower air guide 620, and a lower end thereof contacts the base fan 500.

The main drain fan 700 is installed at the center rear side of the front frame 100. The main drain pan 700 has a square shape as shown. The main drain fan 700 collects the condensate generated by the second heat exchanger 860 to be described below, supports a plurality of components, and partitions the internal space of the air conditioner up and down. Also

In more detail, in general, the integrated air conditioner is divided into an outdoor side and an indoor side, and the main drain fan 700 serves to divide the inside of the air conditioner of the present invention into the outdoor side and the indoor side. That is, an outdoor side (heat dissipation side) corresponding to an outdoor unit (in a separate air conditioner) is formed at a lower side around the main drain fan 700, and an indoor side corresponding to an indoor unit (in a separate air conditioner) at an upper side. (Heat absorption side) is formed.

An auxiliary drain fan 750 is installed below the main drain fan 700. The auxiliary drain pan 750 is a portion to which the condensate supplied by the main drain pan 700 and the condensate pump 550 is collected and distributed.

Looking in detail, the auxiliary drain pan 750 is formed long before and after, is installed on the upper side of the first heat exchanger (510). Therefore, condensate accumulated in the main drain pan 700 descends to the auxiliary drain pan 750 and is collected. Is supplied. In this way, the condensed water supplied to the auxiliary drain pan 750 is evenly sprayed on the upper end of the first heat exchanger 510 and evaporated.

An upper air guide 800 is installed above the main drain pan 700. The upper air guide 800 is to guide the air flowing by the upper fan 840 to be described below, is installed across the left and right on the upper side of the main drain fan 700.

An upper fan housing 810 is integrally formed in the upper air guide 800. The upper fan housing 810 is installed to surround the outside of the upper fan 840 to be described below. Therefore, the air forcedly discharged by the upper fan 840 to be described below is guided by the upper fan housing 810 and flows to the discharge guide 814 to be described below.

An upper motor hole 812 is formed through the center portion of the upper air guide 800. The upper motor 812 is inserted into the upper motor hole 812. The upper motor 820 provides rotational power to the upper fan 840 to be described below.

A discharge guide 814 is penetrated through the upper end of the upper air guide 800. The discharge guide 814 has a rectangular shape corresponding to the discharge louver 110. Therefore, the air guided by the upper fan housing 810 flows forward through the discharge guide port 814 to pass through the discharge louver 110.

An upper motor support 830 is further provided below the upper motor 820. The upper motor support 830 functions similar to the lower motor support 670 described above. That is, to support the upper motor 820 more firmly. Therefore, the lower end of the upper motor support 830 is fixedly mounted on the front end surface of the main drain pan 700.

The upper fan 840 is accommodated and installed inside the upper fan housing 810. The upper fan 840 is to force the outside air to flow through the suction grill 310, it is fastened to the rear end of the upper motor 820 to rotate.

An upper orifice 850 is provided on the rear side of the upper air guide 800. The upper orifice 850 is formed of a rectangular flat plate, a central upper orifice hole 852 through which air can flow is formed through.

A second heat exchanger 860 is installed on the rear side of the upper orifice 850. The second heat exchanger 860 is such that the air sucked through the suction grill 310 causes heat exchange with a refrigerant flowing therein, and is installed to the left and right sides of the main drain fan 700 laterally.

On the other hand, the control box 870 is installed on the right front end of the main drain pan 700. The control box 870 is a place where a plurality of electrical components for controlling the operation of the air conditioner is built, it is installed through the main drain fan 700. That is, the upper half of the control box 870 protrudes upward of the main drain pan 700, and the lower half protrudes downward of the main drain pan 700.

5 and 6 show front and rear perspective views of the rear frame 300, respectively. With reference to these drawings, looks at the configuration of the rear frame 300 in more detail.

The rear surface of the rear frame 300 is formed stepped. Specifically, the front and rear lengths of the rear frame 300 are different from each other. That is, the front and rear lengths of the lower half of the rear frame 300 are larger than the front and rear lengths of the upper half.

Therefore, a stepped surface 350 is formed at the center portion of the rear frame 300. That is, a stepped surface 350 formed horizontally is formed under the outside air inlet 302 formed to penetrate the upper half of the rear frame 300.

In addition, the step surface 350 is formed so that the duct connector 352 penetrates up and down. The duct connector 352 is a portion to which the lower end of the exhaust guide means 400 is fastened. That is, the frame connector 430 constituting the exhaust guide means 400 is inserted and fastened. Therefore, the duct connector 352 is formed in a cylindrical shape having a size and shape corresponding to the lower end of the frame connector 430.

Grill protrusion insertion holes 354 are formed to penetrate up and down at left and right end portions of the step surface 350. The grill protrusion insertion hole 354 is a portion into which the grill fastening protrusion 317 of the suction grill 310 to be described below is inserted.

On the other hand, the grill mounting portion 360 is formed on the upper side of the step surface 350. The grill mounting portion 360 is a portion on which the suction grill 310 is mounted, and is formed at the rear side of the outside air inlet 302.

In addition, a plurality of filter fixing hooks 362 on which the prefilter 320 is mounted are formed at the edge of the outside air inlet 302. That is, at four corners of the rear edge of the outside air inlet 302, hook-shaped filter fixing hooks 362 protruding rearward are respectively formed to fix four corners of the prefilter 320.

And, the lower grill 330 described above is formed on the lower side of the step surface 350, the lower grill 330 is preferably formed only in the lower right portion of the rear frame 300. That is, in FIG. 5, the suction grill 310 is illustrated as being formed over the entire lower half of the rear frame 300. However, the suction grill 310 is formed for compatibility, and in reality, only the right part (the left part in FIG. 5) is air. The flow of is possible, and the left part (the right part in FIG. 5) is shielded inside so that the flow of air is impossible.

The reason why the lower grill 330 is formed only on the right side of the rear frame 300 is because air sucked through the lower grill 330 must pass through the first heat exchanger 510. In other words, the air sucked from the rear through the lower grill 330 flows into the right side of the first heat exchanger 510 and moves to the left side through the first heat exchanger 510.

The lower end of the rear frame 300 is formed through the pipe hole 364 back and forth. The pipe 364 is a portion through which discharge pipes (not shown) for guiding the discharge of condensate are installed.

A plurality of frame fastening protrusions 370 for fastening with the front frame 100 are formed at the front end of the rear frame 300. The frame fastening protrusion 370 is a portion through which a fastening member such as a screw penetrates and is formed on the left and right sides and the front end and the top end of the rear frame 300, respectively.

That is, the center and the upper and lower ends of the left and right front end portions of the rear frame 300, and the upper front left and right of the rear frame 300, respectively. Therefore, when a screw is inserted into the frame fastening protrusion 370 and fastened to the front frame 100, the rear frame 300 and the front frame 100 are fastened.

On the other hand, the removal groove 372 is formed at the rear end of the upper side of the rear frame 300. The stripping groove 372 is formed to be partially recessed inwardly from both sides of the rear frame 300, and the upper and lower lengths preferably have a size corresponding to the size of a human hand.

The removal groove 372 is to prevent interference with the hand when the user grasps the removal distance 315 by hand to pull forward the removal distance 315 of the suction grill 310 to be described below.

The grill hook fastening hole 374 is formed through the rear upper end of the rear frame 300. The grill hook fastening hole 374 is a portion to which the grill fastening hook 316 to be described below is inserted and fastened, and is formed to have a size corresponding to the size of the front end portion of the grill fastening hook 316 to be described below.

Looking in more detail, the grill hook fastening hole 374 is formed on the left and right sides of the upper and lower ends of the grill mounting portion 360, the grill hook fastening hole 374 is the hook of the grill fastening hook 316 to be described below. The portion 316 'has a size through which it can penetrate.

7 and 8 illustrate front and rear perspective views of the suction grill 310, respectively.

As shown in these figures, a plurality of grill ribs 312 are formed in the suction grill 310 at equal intervals. Thus, the intake of air occurs between the plurality of grill ribs 312.

In addition, the gap between the plurality of grill ribs 312 is preferably shielded by a mesh or a mesh. This is to prevent foreign matter from passing through the grill rib 312 from the outside.

A rib support 312 ′ is vertically formed at a central portion of the suction grill 310. The rib support 312 ′ serves to support the plurality of suction grills 310.

The suction grill 310 has a duct accommodating groove 313 in which a part of the exhaust guide means 400 is accommodated. That is, the left side of the suction grill 310 is formed with a duct receiving groove 313 recessed forward (in Figure 7), the lower end of the duct receiving groove 313 and the front of the exhaust duct 410 It has a corresponding semicircular groove shape. Accordingly, the front end portions of the exhaust duct 410 and the frame connector 430 are accommodated in the duct accommodating groove 313.

The suction grill 310 is formed to be inclined to have a predetermined inclination forward. Accordingly, both ends of the suction grill 310 are bent forward and then extended to form a triangular grille side portion 314 whose width becomes wider toward the lower side. In addition, a plurality of grill reinforcing ribs 314 ′ are formed inside the grill side surface portion 314 to reinforce supporting strength.

At the upper end of the suction grill 310, a removal distance 315 is further formed to facilitate the removal of the user. Looking in more detail, at the upper end of the grill side surface portion 314 is formed a debulb 315 protruding laterally to a predetermined size. Therefore, when the user grasps the detachment rib 315 and pulls it backward, the upper end of the suction grill 310 is separated from the rear frame 300.

A pair of grill fastening hooks 316 are formed at an upper end of the suction grill 310. The grille fastening hook 316 is a portion for fastening the upper end of the suction grille 310 to the rear frame 300, and protrudes forward from the left and right sides of the upper side of the suction grille 310.

The grill fastening hook 316 is formed to have its own elasticity so that the front end portion is formed to be able to flow and return a predetermined distance up, down, left and right, and the end portion has a cross section having a relatively larger cross section than the rear portion 316 '. Is formed.

Therefore, the grill fastening hook 316 is inserted into the grille hook fastening hole 374 of the rear frame 300, and then the engaging portion 316 'of the grill fastening hook 316 before applying a predetermined magnitude of force. Therefore, the grill fastening hook 316 is not separated from the grill hook fastening hole 374.

The grill fastening protrusion 317 is further formed at the lower end of the suction grill 310. The grill fastening protrusion 317 is a portion inserted into the grill protrusion inserting hole 354. Therefore, the suction grille 310 is formed to protrude downwardly from the lower left and right of the suction grille 310 and has a left and right size corresponding to the width of the grille protrusion insertion hole 354.

Hereinafter, the configuration of the above-described code fixing tool 590 will be described with reference to FIGS. 9 to 11A.

As shown in FIG. 9, the cord fixing tool 590 is coupled to and fixed by a fastening member S at an upper left corner of the base pan 500. And the upper surface of the base fan 500 is provided with a seating portion 504 protruding in the upward direction, the lower surface of the cord fixing sphere 590 is seated on the upper surface.

That is, the cord fixing sphere 590 is fastened by the fastening member S in a state seated on the seating portion 504, the flow is limited, the cord fixing sphere 590 is the outer surface of the power cord (C) Configured to pressurize.

In more detail, the upper surface of the seating portion 504 is recessed downward so that the fastener fastening hole 505 to which the fastening member S is fastened, and one end of the cord fastener 590 are inserted and restrained. A perforated fixture engaging hole 506 is provided.

The fastener fastening hole 505 is a place where the fastening member S is fastened so that the cord fastener 590 can be fixed by the fastening member S, and a plurality of straight fastening holes 505 are arranged in a straight line on an upper surface of the seating part 504. Dogs are formed spaced apart.

Accordingly, the cord fixing tool 590 is selectively fastened to the plurality of fastener fastening holes 505 to change the fixing position of the power cord C. FIG.

The right side spaced apart from the fixture fastening hole 505, that is, the right upper surface of the seating portion 504 is provided with a seating portion reinforcing rib 504 'protruded upwards from side to side. The seat reinforcing rib 504 ′ is deformed when the fastener locking protrusion (599 of FIG. 10A), which will be described below, is inserted into the fastener locking hole 506 to be locked and restrained. To prevent, a pair is provided in the left / right direction long, the pair of seat reinforcing ribs 504 'is formed to be spaced apart in parallel to each other.

The rear side of the seating portion 504 is provided with a code guide 508. The code guide part 508 is formed to protrude upward from the upper surface of the base fan 500 to have a predetermined height to partition an upper space of the base fan 500, and is partially covered by the cord fixing tool 590. It serves to guide the direction in which the fixed power cord (C) is drawn out of the air conditioner.

That is, the front end of the cord guide 508 is opened in the direction in which the cord fixing tool 590 is located, the power cord (C) guided in the drawing direction is outside the air conditioner in the rear end of the cord guide 508 The code exposure grooves 508 'are formed to be exposed so as to be exposed.

Therefore, the power cord C located behind the cord fixing tool 590 is guided to the cord exposure groove 508 'by the cord guide 508 to be exposed to the outside of the air conditioner.

On the other hand, the cord fastener 590 is fastened to the seating portion 504 and is fastened to the fastener fastening hole 505 fastening piece 592, and is formed extending round from the right end of the fastening piece 592 It comprises a receiving portion 594 for receiving the power cord (C).

The fastening piece 592 has a substantially rectangular plate shape, and the fastening member S is fastened so that the cord fixing tool 590 is not separated from the seating portion 504, and a lower surface thereof is an upper surface of the seating portion 504. Stay in contact with

To this end, a fastening hole (reference numeral 593 of FIG. 10A) which is drilled up and down is provided at the center of the fastening piece 592. The fastening hole 593 is selectively fastened to any one of the plurality of fastener fastening holes 505 described above so that the fastening position of the cord fastener 590 can be varied.

The accommodating part 594 is integrally formed with the fastening piece 592, and a plurality of accommodating spaces 596 in which the power cord C is accommodated are formed. The plurality of accommodation spaces 596 is configured to selectively accommodate power cords C of various thicknesses.

That is, the accommodation space 596 is larger than the first accommodation space 596 'formed on the left side of the accommodation portion 594 and the first accommodation space 596' on the right side of the first accommodation space 596 '. And a second accommodating space 596 " formed with curvature.

Therefore, according to the thickness of the power cord C to be fixed by the cord fixing tool 590, the power cord C is selectively selected from any one of the first accommodation space 596 'and the second accommodation space 596 ". It is received as, the fastening hole (593) is to be selectively fastened to any one of a plurality of fastener fastening holes (505).

That is, the cord fixing tool 590 may be variously formed according to the shape of the power cord C applied to the air conditioner. For example, when the power cord C having an approximately rectangular cross section is applied, the cord fixing tool 590 is accommodated. The shape of the space 596 may also be configured to have a square shape.

Of course, the power cord C may be inserted into both the first accommodation space 596 ′ and the second accommodation space 596 ″ so that a plurality of power cords C may be fixed to one cord fixture 590. Is self explanatory.

Inner ceilings of the first accommodation space 596 ′ and the second accommodation space 596 ″ are provided with pressing protrusions 594 ′ (see FIG. 10B). The pressing protrusions 594 ′ are provided inside the receiving space. Pressing the outer circumferential surface of the received power cord (C) to prevent the power cord (C) from exiting in the front / rear direction of the receiving space (596), a pair is formed long in the longitudinal direction of the cord fixture 590 The pair of pressing protrusions 594 'are spaced apart in parallel to each other.

An upper surface of the cord fixing part is provided with a fixture reinforcing rib 598 protruding upward and backward to reinforce the strength of the cord fixing tool 590. The fixture reinforcing rib 598 is intended to prevent the breakage of the cord fixing tool 590 by supporting it when the shape of the cord fixing tool 590 is deformed.

That is, the cord fixing tool 590 has a power cord (C) is inserted into the receiving space (596) with the lower surface in contact with the seating portion 504, wherein the power cord (594 ') by the power cord Pressure is applied to (C).

As a result, the cord fixing tool 590 is applied with an upward force (more precisely counterclockwise) with respect to the fastening hole 593, and a possibility of breakage occurs due to the bending deformation. Therefore, the fixture reinforcing rib 598 is preferably formed on the upper surface of the cord fixing tool 590.

The cord fixing tool 590 is configured such that the right portion does not rotate back and forth with respect to the fastening hole 593. That is, at the right end of the accommodating part 594, more specifically, at the right bottom of the second right space, a fastener engaging protrusion 599 having a substantially “b” shape when viewed from the front of FIG. 10A is formed.

The fastener catching protrusion 599 is fitted into the fastener catching hole 506 formed by drilling the right end of the cord fastener 590 in the seating portion 504, the front / rear length of the fastener catching projection (599) Corresponds to the length of the fastener locking hole 506, and the thickness of the fastener locking protrusion 599 is smaller than the width of the fastener locking hole 506.

Accordingly, the cord fixing tool 590 is rotated counterclockwise after the fastener catching protrusion 599 is inserted into the fastener catching hole 506 in an obliquely inclined state as shown in FIG. 11B, as shown in FIG. 11B. The locking can be restrained.

Hereinafter, the operation of the air conditioner according to the present invention will be described with reference to FIG. 12.

First, look at the flow of the refrigerant and air in the air conditioner according to the present invention.

The air conditioner according to the present invention can be used for cooling or heating. Here, the case where the air conditioner according to the present invention is used for cooling will be described as an example.

In this case, the first heat exchanger 510 serves as a condenser, and the second heat exchanger 860 serves as an evaporator. A refrigerant pipe (not shown) is connected between the compressor 520, the first heat exchanger 510, and the second heat exchanger 860 to guide the flow of the refrigerant.

Therefore, when the gas refrigerant is compressed from the compressor 520 to a high temperature and high pressure and flows into the first heat exchanger 510, the refrigerant is condensed by heat exchange with outside air in the first heat exchanger 510. do.

The condensed refrigerant then expands while passing through an expansion valve (not shown) and enters the second heat exchanger 860. The refrigerant introduced into the second heat exchanger 860 evaporates by exchanging heat with external air. Therefore, the refrigerant is in a gaseous state, in which a liquid refrigerant also remains, and in fact, two-phase refrigerants are mixed.

After the refrigerant passes through the accumulator 530, the refrigerant is sent back to the compressor 520 to complete a cycle of the refrigerant.

Meanwhile, the air exchanges heat while passing through the first heat exchanger 510 and the second heat exchanger 860. This process will be described with reference to FIGS. 2, 3, and 12.

'로 표시됨)을 살펴본다. 이때의 공기 유동은 기본적으로 상기 하부팬(630)에 의해 발생하게 된다. 즉, 외부로부터 인가되는 전원에 의해 상기 하부모터(660)가 구동하게 되면, 이러한 하부모터(660)의 축에 연결되어 있는 상기 하부팬(630)이 회전하면서 공기의 유동을 발생시키는 것이다.First, the air flow on the heat dissipation side (lower part of the main drain pan) (

(Marked with '). Air flow at this time is basically generated by the lower fan 630. That is, when the lower motor 660 is driven by a power applied from the outside, the lower fan 630 connected to the shaft of the lower motor 660 rotates to generate air flow.

Therefore, the rear air is introduced through the lower grill 330 formed at the lower half of the rear frame 300. The air flowing forward through the lower grill 330 is changed in direction and flows to the left, and passes through the first heat exchanger 510.

The air passing through the second heat exchanger 860 rises in temperature. That is, since the second heat exchanger 860 serves as a condenser, air is received at a high temperature by receiving heat from a refrigerant flowing in the second heat exchanger 860.

The hot air passing through the second heat exchanger 860 passes through the orifice hole 602 and flows into the center of the lower fan 630. The air introduced into the center of the lower fan 630 flows radially by the rotation of the lower fan 630 and is guided by the exhaust guide 650 and discharged upward.

The hot air guided upward by the exhaust guide 650 is completely discharged to the outside of the building through the exhaust guide means 400.

'로 표시됨)을 살펴본다. 이때의 공기 유동은 기본적으로 상기 상부팬(840)에 의해 발생하게 된다. 즉, 외부로부터 인가되는 전원에 의해 상기 상부모터(820)가 구동하게 되면, 이러한 상부모터(820)의 축에 연결되어 있는 상기 상부팬(840)이 회전하면서 공기의 유동을 발생시키는 것이다.Next, the flow of air occurring at the endothermic side (upper part of the main drain pan) (

(Marked with '). Air flow at this time is basically generated by the upper fan 840. That is, when the upper motor 820 is driven by a power applied from the outside, the upper fan 840 connected to the shaft of the upper motor 820 rotates to generate a flow of air.

Therefore, the air of the outside (indoor space) is introduced into the inside (front) through the suction grill 310 formed in the upper half of the rear frame 300. The air flowing through the suction grille 310 passes through the prefilter 320 and the deodorizing filter 322 in order, and foreign matters or odors in the air are removed in this process.

The air passing through the prefilter 320 and the deodorizing filter 322 passes through the second heat exchanger 860, and heat exchange occurs in this process. That is, since the second heat exchanger 860 acts as an evaporator, the air passing through the second heat exchanger 860 is cooled by heat exchange with a refrigerant.

The low-temperature air passing through the second heat exchanger 860 flows forward through the upper orifice hole 852 and flows into the center of the upper fan 840. The air introduced into the center of the upper fan 840 is radially discharged by the rotation of the upper fan 840, and the air is guided by the upper fan housing 810 to flow upward.

Air flowing upward by the upper fan housing 810 passes forward through the discharge guide 814 of the upper air guide 800 and passes through the discharge louver 110. The low temperature air passing through the discharge louver 110 discharges the discharge port 210 to the front to cool the indoor space. Meanwhile, the air passing through the discharge louver 110 may be switched in direction by a plurality of ribs formed in the discharge louver 110.

Next, a process of fixing the power cord C on the upper surface of the base fan 500 by using the cord fixing tool 590 will be described with reference to FIGS. 9 to 11C.

First, the cord fixing tool 590 is selected and inserted into the plurality of accommodation spaces 596 according to the thickness of the power cord C to be fixed in a state separated from the seating portion 504. That is, when the power cord C is thick, the power cord C is inserted into the second accommodation space 596 ″, and when the power cord C is thin, the power cord C is inserted into the first accommodation space 596 ′.

Thereafter, the cord fixing tool 590 is inclined to have a downward inclination to the right as shown in FIG. 11B, and then the fastener catching protrusion 599 is inserted into the fastener catching hole 506 and rotated counterclockwise.

At this time, the upper surface of the fastener engaging projection (599) is restrained in contact with the lower surface of the seating portion 504, the seating portion 504 is supported by the seat reinforcing rib 504 '.

The lower end of the pressing protrusion 597 is in a state of pressing the upper portion of the outer circumferential surface of the power cord C downward.

Thereafter, the fastening member S is inserted into the fastening hole 593, and the lower ends of the fastening members S are fastened to the plurality of fastener fastening holes 505.

In the above process, the fixing of the power cord C using the cord fixing tool 590 is completed. Thereafter, the power cord C drawn out to the rear of the cord fixing tool 590 is guided to the cord guide 508 and exposed to the outside of the air conditioner through the cord exposure groove 508 '.

The power cord C fixed by the above process is released when the cord fixing tool 590 is detachable from the seating portion 504 by releasing the fastening member S.

The scope of the present invention is not limited to the above-exemplified embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

For example, in the above embodiment, the first accommodation space 596 'is located to the left of the second accommodation space 596 "and has a smaller size than the second accommodation space 596". However, the position and size of the formation is applicable to a variety of course.

In addition, in the above embodiment, the pressing protrusion 506 is illustrated in the receiving space 596. However, the pressing protrusion 506 may be configured to protrude upward from the upper surface of the seating portion 504 as long as it can press the outer circumferential surface of the power cord (C).

In the air conditioner according to the present invention as described in detail above, a plurality of receiving spaces of different sizes are formed in the cord fixing device for fixing the power cord.

Therefore, since a plurality of power cords can be fixed by a single cord fixing device, there is an advantage of easy assembly.

In addition, in the present invention, a pressing projection for pressing the outer surface of the power cord is provided on one side of the cord fastener.

Therefore, since the binding force on the power cord is increased, the departure of the power cord is prevented in advance.

In addition, in the present invention, the fastener locking projection is configured to be inserted into the fastener locking hole to be locked.

Therefore, when the power cord is pulled from the outside, the rotation of the cord fixing tool is prevented, so there is an advantage that the restraint of the power cord is prevented in advance.

Claims (10)

A base fan which forms a lower appearance and supports loads of a plurality of parts; A power cord for supplying power to the plurality of components; The base fan, the air conditioner, characterized in that coupled to the cord fixture for receiving a portion of the power cord to restrict the flow. According to claim 1, One side of the base pan, Protruding upward from the bottom surface, the air conditioner, characterized in that the mounting portion is provided on the top of the cord fastener. The method of claim 2, wherein the seating portion, A fixture fastening hole for recessing and fastening the fastening member; An air conditioner, characterized in that the fixing hole is provided with a fastening hole for insertion of one end of the cord fixture. The method of claim 3, wherein the cord fastener, A fastening piece seated on the seating portion and fastened to the fastener fastening hole; The air conditioner, characterized in that it comprises a receiving portion for receiving the power cord is formed to extend round the end of the fastening piece. According to claim 4, At one side of the receiving portion, A plurality of accommodation spaces in which the power cord is accommodated; A pressurizing protrusion protruding from the accommodation space to pressurize the power cord; The air conditioner, characterized in that the fastener engaging projection is formed to be inserted into the fastener engaging hole is bent to be locked. The air conditioner of claim 5, wherein the plurality of accommodation spaces are formed in different sizes. The air conditioner according to claim 5 or 6, wherein the pressing protrusion is formed in a direction orthogonal to the longitudinal direction of the power cord accommodated in the accommodation space. The air conditioner according to claim 4, wherein the fastening piece and the receiving part are integrally formed. According to claim 1, At one side of the upper surface of the cord fastener, The air conditioner of the present invention is characterized by having a fixture reinforcing rib protruding upward to elastically support the fixture when deformed. According to claim 1, One side of the base pan, Protruding upward to partition the upper space of the base fan, the air conditioner characterized in that provided with a cord guide for guiding the extraction direction of the power cord.

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