CN101266063A

CN101266063A - Outdoor machine of air conditioner

Info

Publication number: CN101266063A
Application number: CNA2007101954587A
Authority: CN
Inventors: 林映锡; 郑赫在; 崔承鹤; 金度勋
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2007-03-17
Filing date: 2007-11-27
Publication date: 2008-09-17
Anticipated expiration: 2027-11-27
Also published as: CN101266063B; KR20080084888A; KR101166387B1

Abstract

The invention relates to an outdoor unit of an air conditioning machinery whose structure can improve a maintainability of electrical components and so on arranged in a control box and prevent foreign matter and so on from accumulating in the electrical components. Thereby, the outdoor unit of the air-conditioning machinery provided by the invention comprises a shell, a lower board forming the lower surface of the shell, a separating board dividing the internal of the shell into a compression chamber and a heat exchange chamber, and also comprises the control box which is provided with various components and arranged in the compression chamber. Because the control box leans a predetermined angle relative to the lower board to fix on the separating board, so that the invention not only can improve the maintainability and reduce accumulation of foreign matter such as dust on the surface of a printed circuit board as far as possible, but also can form more compact compressor chamber.

Description

The off-premises station of air conditioner

Technical field

The present invention relates to a kind of off-premises station of air conditioner, relate in particular to the off-premises station of air conditioner with the control cabinet that is used to be provided with circuit board and electric component.

Background technology

Usually, the off-premises station of air conditioner comprises the compressor that is used for compressed refrigerant, outdoor heat converter, comes the ventilating fan of cooling chamber outer heat-exchanger by the forced air supply of extraneous gas.The inner space of off-premises station is divided into space that compressor is set and the space that ventilating fan is set by demarcation strip, and the top, space that compressor is set is provided with the control cabinet that is used to be provided with various electric components and circuit board.

Control cabinet is used to control the action of off-premises station inner components and is provided with a plurality of electronic units such as PCB, the electronic unit that is built in this control cabinet connects by a plurality of lead intricatelys, the problem that therefore exists control cabinet to be difficult to assemble and break down because of the mutual interference of each several part.

For addressing the above problem, the off-premises station of 10-2006-29740 number disclosed a kind of air conditioner of Korea S's publication communique comprises: form the bottom outward appearance pedestal, be arranged at the top of pedestal and divide space, the left and right sides partition wall, be arranged at the partition wall upper end and control the control cabinet of various parts actions.

The control cabinet of the disclosed air conditioner outdoor unit of above-mentioned patent gazette is horizontally set on the upper end of partition wall, is provided with the heat abstractor that is used to discharge the control cabinet heat in the control cabinet bottom.At this moment, heat abstractor is attached to the bottom surface of control cabinet, and by the heat conductivility heat sink that constitutes of material and constitute the built-in single printed circuit board with a plurality of control assemblies of control cabinet from the outstanding a plurality of radiating fins of heat sink preferably.

But the printed circuit board (PCB) that is arranged at the disclosed air conditioner outdoor unit of described communique is when off-premises station has frequency conversion (inverter) compressor, the quantity of its electrical equipment and size are bigger than the electrical equipment that common compressor comprised, and the size of therefore accommodating their single printed circuit board also can become big.

Therefore, under the situation that the relative base level of the control cabinet that is provided with this single printed circuit board is provided with,, thereby be difficult to provide the off-premises station of compactness because the size of control cabinet causes the size of off-premises station also to become greatly greatly.

And because the control assembly that is built on the printed circuit board (PCB) of control cabinet inside arranges up, so impurity such as dust can be deposited on the printed circuit board (PCB), thereby can cause malfunction and fault.

And, because control cabinet and heat sink are located at the top of demarcation strip, therefore exist owing to control cabinet and the heavier problem that causes the demarcation strip distortion of heat sink.Particularly when mobile, take place to cause the demarcation strip distortion under the situation of external impact.

And control cabinet is fixed in the control arrangement portion of partition wall, but only is difficult to fixedly secure control cabinet by the mode that is fixed in control arrangement portion.

And, be used for the heat abstractor that printed circuit board (PCB) dispels the heat is located at heat exchanger, rather than can guide the structure of air to heat abstractor, therefore there is the low problem of radiating efficiency.

Summary of the invention

The present invention proposes in order to address the above problem, the object of the present invention is to provide a kind of off-premises station of air conditioner, the off-premises station of described air conditioner has its structure to be improved maintainability to the electric component that is arranged at control cabinet etc., and can prevent that impurity etc. is deposited in electric component.

And, another object of the present invention is to provide a kind of off-premises station, the structure of this off-premises station can prevent that separating plate from damaging because of external impact.

To achieve these goals, the off-premises station of air conditioner provided by the present invention, comprise housing, form the lower panel of described housing lower surface, described enclosure interior be divided into the demarcation strip of discharge chambe and heat-exchanging chamber, also comprise the control cabinet that is provided with various parts that is arranged on described discharge chambe, the described relatively lower panel predetermined oblique angle of described control cabinet and be fixed in described demarcation strip.

And described control cabinet comprises the thermal component that is used to cool off described various parts.

And described control cabinet also comprises the radiating tube that is used to guide by the air of described thermal component, and described discharge chambe and described heat-exchanging chamber are connected by described radiating tube.

And described radiating tube is located at the bottom of described control cabinet, and described demarcation strip forms intercommunicating pore on the position corresponding to described radiating tube.

And described radiating tube comprises and is used to prevent that impurity from flowing into the guide part of described discharge chambe.

And described control cabinet is arranged on described enclosure interior the place ahead.

And described housing also comprises the front panel that forms front surface, and described control cabinet is set to be parallel to described front panel.

And, also be included as the attaching parts that fixedly secure described control cabinet and connect described housing and described control cabinet.

In addition, the air conditioner outdoor unit provided by the present invention that obtains from another angle, comprise housing, form described housing lower surface lower panel, with described enclosure interior be divided into discharge chambe and heat-exchanging chamber demarcation strip, be arranged on the control cabinet that is provided with a printed circuit board (PCB) at least of described discharge chambe, described control cabinet is included as the heat radiation of described printed circuit board (PCB) and is communicated with the radiating tube of described discharge chambe and described heat-exchanging chamber, and is fixed in described demarcation strip perpendicular to described lower panel.

And described control cabinet comprises that also thermal component is to improve the heat exchange of described radiating tube.

And described radiating tube is arranged at the bottom of described control cabinet, and described demarcation strip forms intercommunicating pore on the position corresponding to described radiating tube.

And described control cabinet vertical fixing is in described demarcation strip.

And, also be included as the described control cabinet of firm installation and described control cabinet be fixed in the attaching parts of described housing.

Description of drawings

Fig. 1 is the stereogram of expression according to the outward appearance of air conditioner outdoor unit provided by the present invention;

Fig. 2 is the exploded perspective view according to air conditioner outdoor unit provided by the present invention;

Fig. 3 is the exploded perspective view of expression according to the mounting structure of the control cabinet of air conditioner outdoor unit provided by the present invention;

Fig. 4 is the cutaway view of expression according to the radiator structure of the control cabinet of air conditioner outdoor unit provided by the present invention;

Fig. 5 a and Fig. 5 b are the cutaway view that angle be set of expression according to the control cabinet of air conditioner outdoor unit provided by the present invention.

Main symbol description:

10 is housing, and 11a is a base plate, and 14 is first side panel, 15 is second side panel, and 16 is demarcation strip, and 16a is an intercommunicating pore, 17 is heat-exchanging chamber, and 18 is discharge chambe, and 19 is compressor, 20 is heat exchanger, and 30 is air-supply arrangement, and 40 is control cabinet, 45 is thermal component, and 46 is radiating tube, and 47 is guide part, 48 is first fixed part, and 49 is second fixed part, and 50 is attaching parts.

The specific embodiment

Below, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is the stereogram of expression according to the outward appearance of air conditioner outdoor unit provided by the present invention, and Fig. 2 is the exploded perspective view according to air conditioner outdoor unit provided by the present invention.

As depicted in figs. 1 and 2, the off-premises station according to air conditioner provided by the present invention comprises the housing 10 that forms outward appearance, the outdoor heat converter 20 that is arranged at housing 10 inside, air-supply arrangement 30, compressor 19, the control cabinet 40 of various electric components is set.

As shown in Figure 2, housing 10 comprises base plate 11a, is arranged at the front panel 12 of base plate 11a and rear board 13, two side panels (14,15), covers the lid 11b on top.

Rear board 13 1 sides are provided with first side panel 14 that is formed by same panel warpage, and opposite side forms the joggling part 13a of its end warpage to be used in conjunction with second side panel 15.And, be formed for sucking the suction inlet 13b of extraneous air in the back on most of area of plate 13.

Front panel 12 is arranged in the front of housing, and forms up and down a pair of outlet 12a to discharge the air that flow into housing 10 inside by suction inlet 13b.

Be arranged in second side panel, 15 warpages between front panel 12 and the rear board 13 and form, its front face 15a is incorporated into front panel 12, and side surface part 15b is incorporated into the joggling part 13a of rear board 13.

And, arranging control cabinet 40 (being described further below) at the front face 15a of second side panel 15 rear side, side surface part 15b is formed for introducing the opening 15c of electric wire and pipe arrangement, and is provided with the over cap 15d that is used to cover these openings 15c.

So housing 10 inside that form have demarcation strip 16, and demarcation strip 16 is divided into heat-exchanging chamber 17 and discharge chambe 18 with housing 10 inner spaces.

Heat-exchanging chamber 17 is provided with to have along the outdoor heat converter 20 of the shape of the rear board 13 of housing 10 and first side panel, 14 inboard warpages and causes that around outdoor heat converter 20 air flows so that the air-supply arrangements 30 of heat exchanges take place easily at outdoor heat converter 20.

Air-supply arrangement 30 comprises the ventilating fan 31 forcing air is flowed, produce the driving force that is used to rotate ventilating fan 31 fan electromotor 32, support the motor of fan electromotor 32 to support platform 33.Ventilating fan 31 and drive motors 32 are set to respectively a pair ofly up and down the motor of fan electromotor 32 is installed be supported platform 33 one sides to be fixed in base plate 11a with corresponding to a pair of outlet 12a, and opposite side is incorporated into lid 11b and fixes.

Thereby the suction inlet 13b leaked-in air by the rear board 13 and first side panel 14 is forced flow by ventilating fan 31, and is undertaken by outdoor heat converter 20 that the outlet 12a by front panel 12 is discharged to outdoor after the heat exchange.

The discharge chambe 18 of opposite side comprises the compressor 19 that is used to compress the cold-producing medium that flows into from indoor set and is provided for controlling the control cabinet 40 of various parts of the operation of compressor 19 grades in housing 10 inner spaces.

Compressor 19 is cold-producing medium boil down to high-temperature high-pressure state, and is set to a pair of on base plate 11a.

Control cabinet 40 is used to control the running of the various parts in the off-premises station, the built-in a plurality of electric components in the inside of control cabinet 40 (41,42,43).

Control cabinet 40 is roughly rectangular and be fixedly set in demarcation strip 16, at this moment, shown in Fig. 5 a, Fig. 5 b, control cabinet 40 with respect to base plate 11a at a predetermined angle (A °) be obliquely installed.At this moment, predetermined angular maintains about about 70 °～110 °, and the various electrical equipments that will be attached to control cabinet 40 are arranged as towards the front face 15a of second side panel 15.As mentioned above, favour base plate 11a at a predetermined angle and fix, thereby reduce the accumulation of dust on the electrical equipment of printed circuit board (PCB) 43 and reduce because the malfunction that these dusts etc. cause and the incidence of fault.Preferably, predetermined angular approximately is made as 90 ° to improve the installation capability of control cabinet 40 when preventing dust accretions.

And the front of control cabinet 40 is divided into a plurality of spaces by the next door, is pasted with at least one printed circuit board (PCB) of electrical equipment with setting.Certainly, this a plurality of space can increase and decrease according to the quantity of printed circuit board (PCB).

Printed circuit board (PCB) comprises the frequency-changeable compressor printed circuit board (PCB) 43 of the running frequency that changes the motor that is used for drive compression machine 19, the printed circuit board (PCB) 43 insulated gate bipolar transistor (IGBT that are being used for frequency-changeable compressor, Insulated gate bipolar transistor), SPM (IPM, IntelligentPower Module), double diode (dual diode) size that waits some electrical equipments is bigger than the situation of using common compressor, and is big thereby its caloric value also becomes.Therefore, for the steady running of this printed circuit board (PCB) 43, thermal component 45 is set in control cabinet 40 back that are provided with printed circuit board (PCB) 43.

Fig. 3 is the exploded perspective view of expression according to the mounting structure of the control cabinet of air conditioner outdoor unit provided by the present invention, and Fig. 4 is the cutaway view of expression according to the radiator structure of the control cabinet of air conditioner outdoor unit provided by the present invention.

As shown in Figure 3, for improving the radiating part that radiating efficiency is set to thermal component 45 large tracts of land contact print circuit board 43.

Thermal component 45 is formed by a plurality of radiating fins, and control cabinet 40 is provided with and is used to encase the radiating tube 46 of thermal component 45 to improve the heat exchange performance of thermal component 45.

Radiating tube 46 has the shape of both-side opening to be communicated with discharge chambe 18 and heat-exchanging chamber 17, and a side that is communicated with heat-exchanging chamber 17 of radiating tube 46 is provided with guide part 47 and is drawn into discharge chambe 18 in case other impurity such as rainwater of heat-exchanging chamber 17 are gone in fluid stopping by radiating tube 46.That is, when impurity such as rainwater flow into heat-exchanging chamber 17 when inner because the rotation of ventilating fan 31 and towards radial spray.If impurity such as the rainwater of this injection flow into discharge chambe 18 1 sides by radiating tube 46, then can cause the fault of the electric component of printed circuit board (PCB) 43 grades, for the generation that prevents this situation in advance guide part 47 is set.

And, on demarcation strip 16, form intercommunicating pore 16a to insert the fixedly guide part 47 of radiating tube 46.At this moment, control cabinet 40 is vertically installed in demarcation strip 16, radiating tube 46 is the rectangular shape that extends along the vertical direction in the downside back of control cabinet 40 relatively, and corresponding to this, intercommunicating pore 16a forms the rectangular shape that extends along the vertical direction in the position, middle and lower part of demarcation strip 16.

This control cabinet 40 is fixed in demarcation strip 16, as shown in Figure 2, be provided with at control cabinet 40 1 side lower parts and be used for the first fixing fixed part 48 of screw, control cabinet 40 opposite side tops in the diagonal of first fixed part 40 are provided with second fixed part 49 that is used for fixing control cabinet 40, to be used for fixing control cabinet 40.At this moment, the attaching parts 50 that are used for control cabinet 40 is fixed in rear board 13 are incorporated into second fixed part 49, thereby attaching parts 50 1 sides are incorporated into second fixed part 49, and opposite side is fixed in the joggling part 13a of rear board 13.And, improve the space utilization degree by waiting at attaching parts 50 holding electrical parts.

Therefore, be fixing control cabinet 40, after the guide part 47 with radiating tube 46 is inserted into the intercommunicating pore 16a of demarcation strip 16, control cabinet 40 screws be incorporated into demarcation strip 16 by first fixed part 48.And, after second fixed part 49 of control cabinet 40 combined with attaching parts 50 attaching parts 50 are incorporated into the joggling part 13a of rear board 13, thereby control cabinet 40 is fixedly secured in discharge chambe 18.

And, when later on decomposing housing 10 for the maintenance of control cabinet 40 etc., only decompose second side panel 15 and can know easily whether the electrical equipments such as printed circuit board (PCB) that are attached to control cabinet 40 break down and improved its maintainability, and, therefore can reduce the accumulation of dust on the electrical equipment as far as possible because control cabinet 40 is arranged vertically on base plate 11a.

Off-premises station with aforesaid control cabinet 40, as shown in Figure 4, the pressure reduction that air in the discharge chambe 18 produces according to the operation by ventilating fan 31 is to radiating tube 46 inner forced flow, the air of forced flow and thermal component 45 carry out heat exchange and cool off that the discharge portion 47a by guide part 47 flow into heat-exchanging chamber 17 after the printed circuit board (PCB) 43, and are discharged to outdoor by outlet 12a.Because thermal component 45 is arranged on radiating tube 46 inside, so radiating tube 46 is directed to thermal component 45 with air, improves heat exchanger effectiveness thereby thermal component is cooled off in the air cooling mode by flow air.

And, the position of thermal component 45 relatively relies on the middle and lower part of demarcation strip 16, corresponding to this, the rectangular shape that extends along the vertical direction that intercommunicating pore 16a forms in the relevant position of demarcation strip 16, therefore with prior art in the superposed mode of thermal component compare more and can bear external impact.

In sum, off-premises station according to air conditioner provided by the present invention has following effect: the printed circuit slab integral is upright on the base plate so that can observe electrical equipment, therefore not only can improve its maintainability, reduce the accumulation of impurity such as on printed circuit board surface dust as far as possible, and can constitute compact more discharge chambe.

And the position of thermal component relatively relies on the middle and lower part of demarcation strip among the present invention, therefore with prior art in the superposed mode of heat release parts compare more and can bear external impact.

And the present invention is provided with the radiating tube that surrounds thermal component for printed circuit board (PCB) is dispelled the heat, can improve radiating efficiency thus.

Claims

1, a kind of off-premises station of air conditioner, comprise housing, form described housing lower surface lower panel, described enclosure interior is divided into the demarcation strip of discharge chambe and heat-exchanging chamber, it is characterized in that:

Also comprise the control cabinet that is provided with various parts that is arranged on described discharge chambe;

The described relatively lower panel predetermined oblique angle of described control cabinet and be fixed in described demarcation strip.

2, off-premises station as claimed in claim 1 is characterized in that described control cabinet comprises the thermal component that is used to cool off described various parts.

3, off-premises station as claimed in claim 2 is characterized in that described control cabinet also comprises the radiating tube that is used to guide by the air of described thermal component, and described discharge chambe and described heat-exchanging chamber are connected by described radiating tube.

4, off-premises station as claimed in claim 3 is characterized in that described radiating tube is located at the bottom of described control cabinet, and described demarcation strip forms intercommunicating pore on the position corresponding to described radiating tube.

5, off-premises station as claimed in claim 3 is characterized in that described radiating tube comprises and is used to prevent that impurity from flowing into the guide part of described discharge chambe.

6, off-premises station as claimed in claim 1 is characterized in that described control cabinet is arranged on the place ahead of described enclosure interior.

7, off-premises station as claimed in claim 6 is characterized in that described housing also comprises the front panel that forms front surface, and described control cabinet is set to be parallel to described front panel.

8, off-premises station as claimed in claim 1 is characterized in that also being included as the attaching parts that fixedly secure described control cabinet and connect described housing and described control cabinet.

9, a kind of off-premises station of air conditioner is characterized in that:

Comprise housing, form described housing lower surface lower panel, with described enclosure interior be divided into discharge chambe and heat-exchanging chamber demarcation strip, be arranged on the control cabinet that is provided with a printed circuit board (PCB) at least of described discharge chambe;

Described control cabinet is included as the heat radiation of described printed circuit board (PCB) and is communicated with the radiating tube of described discharge chambe and described heat-exchanging chamber, and is fixed on described demarcation strip perpendicular to described lower panel.

10, off-premises station as claimed in claim 9 is characterized in that described control cabinet also comprises thermal component, to improve the heat exchanger effectiveness of described radiating tube.

11, off-premises station as claimed in claim 9 is characterized in that described radiating tube is arranged at the bottom of described control cabinet, and described demarcation strip forms intercommunicating pore on the position corresponding to described radiating tube.

12, off-premises station as claimed in claim 9 is characterized in that described radiating tube comprises and is used to prevent that impurity from flowing into the guide part of described discharge chambe.

13, off-premises station as claimed in claim 9 is characterized in that described control cabinet vertical fixing is in described demarcation strip.

14, off-premises station as claimed in claim 9 is characterized in that also being included as the described control cabinet of firm installation and the attaching parts that described control cabinet are fixed in described housing.