CN101086362A - Outdoor machine control box of air conditioner - Google Patents
Outdoor machine control box of air conditioner Download PDFInfo
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- CN101086362A CN101086362A CN 200610014094 CN200610014094A CN101086362A CN 101086362 A CN101086362 A CN 101086362A CN 200610014094 CN200610014094 CN 200610014094 CN 200610014094 A CN200610014094 A CN 200610014094A CN 101086362 A CN101086362 A CN 101086362A
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- premises station
- outdoor unit
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Abstract
The invention provides a control case of an air-conditioning outdoor device, wherein the control case of the air-conditioning outdoor device is equipped with a plurality of electric devices in order to control the outdoor device operation, a side of the control case is equipped with the thermal fan which rotates and supplies the air for the outside of the control case when the power is switched on and the air drawing hole which leads the external air to the control case inside owing to forming the trompil, the control case is also equipped with the deflector which divides the control case and leads the air flow direction by the air drawing hole. The invention avoids the fault of the air-conditioning driving, which assembles the cooling reactor in order to cool the device effectively in the control case, makes every control device show the own function, and prevents the reduction of the air-conditioning property.
Description
Technical field
The present invention relates to the off-premises station of air-conditioner, particularly be provided with a plurality of electronic devices and the control box of the air-conditioner outdoor unit that the control box of controlling the parts that are arranged at off-premises station inside is cooled by the inner air flowing of off-premises station in inside.
Background technology
In general, air-conditioner is repeatedly the hot-air in the suction chamber, making it refrigerant with low temperature carries out being discharged to after the heat exchange indoor again, freeze to indoor thus, perhaps by opposite method to the indoor refrigeration that heats/hot system, it is a kind of equipment that is made of a series of coolant circulating systems compressor-condenser-expansion valve-evaporimeter.
And, described air-conditioner can be divided into substantially that off-premises station and indoor set are separated from each other separately and the Saperated air conditioner that is provided with, the integral air conditioner that off-premises station and indoor set are provided with as one is considered the first-selected Saperated air conditioner of factor users such as installing space and noise.
Saperated air conditioner can effectively be applicable to an off-premises station and be freezed/hot situation in a plurality of spaces.That is, a kind of multi-split air conditioner as Saperated air conditioner can be installed in the building with a plurality of offices, can carry out effective air conditioning to working environment separately thus.
More specifically, multi-split air conditioner is connected with a plurality of indoor sets on an off-premises station, and these indoor sets are set to respectively again in the house separately that will carry out air conditioning, obtains being equal to the effect that many air-conditioners are set thus.
Below, describe with reference to the structure of accompanying drawing general multi-split air conditioner off-premises station.
Air stream schematic side cutaway view when Fig. 1 is the work of prior art air-conditioner outdoor unit.
As shown in the figure, the off-premises station 1 of air-conditioner has that a plurality of panels mutually combine and the vertical long lineal hexahedral shape that constitutes, and portion forms the space and a plurality of parts are installed within it.
Promptly, described off-premises station 1 passes through, a plurality of parts are installed in the above and support its weight chassis 12, form a front outward appearance part front panel 14, be four limit mesh-shaped and guide extraneous air flow into off-premises station 1 inside front grid 15 and back grid 16, be arranged at the rear board 18 of side under the grid 16 of described back and the side panel (not shown) that forms the left and right side outward appearance, portion forms the space within it.
And, covered by the inside that forms the top panel 20 described off-premises stations 1 of outward appearance above the described off-premises station 1, be provided with in the corner of described off-premises station 1 part and make a plurality of frames that keep the power of combining closely between the described panel.
And then described off-premises station 1 is supported by firm by its outward appearance of described frame, and the lineal hexahedral shape can be out of shape thus.
And the left and right sides of described top panel 20 is provided with the discharge grid 26 that probably is disc-shape and constitutes outward appearance above the part of described off-premises station 1.Be formed with a plurality of outlets 26 ' on the whole face of described discharge grid 26, the inside of off-premises station 1 and outside are interconnected shown in making thus.
The downside of described discharge grid 26, more specifically, the left and right sides of described top panel 20 is provided with the shield 28 of drum.Described shield 28 can guide the air of off-premises station 1 inside to discharge discharge direction when the outside, and it is separately positioned on the described discharge grid 26 of paired formation.
The inside of described shield 28 is provided with fan 30.Described fan 30 receives the rotary power of the fan electromotor 32 that produces rotary power when connecting power supply and fast rotational, and the inner air that room air is carried out the indoor set (not shown) of heat exchange is arranged to the outside.
And described fan electromotor 32 is supported by motor fixing frame 34 its weight.That is, described motor fixing frame 34, its central portion combines with a side of described fan electromotor 32 and fan electromotor 32 is positioned, and its upper end screw is connected to the bottom surface of described top panel 20, supports the weight of described fan electromotor 32 and fan 30 thus.
In addition, with described fan electromotor 32 front and back and downside separated by a distance, be provided with outdoor heat converter 40 at the rear of described front grid 15 and the place ahead of back grid 16.Described outdoor heat converter 40 makes the air that is circulated in its inner refrigerant and flow into off-premises station 1 inside carry out heat exchange.
And, described outdoor heat converter 40 comprises: make the air that flow into off-premises station 1 inside by described front grid 14 carry out the front heat exchanger 42 of heat exchange, and make the back heat exchanger 44 that carries out heat exchange by described back grid 16 leaked-in airs.
When described front heat exchanger 42 is observed from the side, its vertical end face probably be "
" shape.This be for make front by described front grid 14 leaked-in airs and described front heat exchanger 42 and inclination below carry out heat exchange.
And described back heat exchanger 44 makes the extraneous air that flows into by described back grid 16 carry out heat exchange, and in order effectively to carry out the heat exchange of air, it should constitute with the corresponding size of the outline of described back grid 16.
The downside of described outdoor heat converter 40, that is, the downside of described back heat exchanger 44 is provided with drain pan 46.The extraneous air that described drain pan 46 can be collected described outdoor heat converter 40 and off-premises station 1 results from the condensed water on surface outside the described outdoor heat converter 40 when carrying out heat exchange, be collected in condensed water within the described drain pan 40 and can arrange outside to described off-premises station 1.
The place ahead of described drain pan 46 is provided with dividing plate 48, and described dividing plate 48 is quadrangle sheet material bendings and forming, when right flank is observed, its vertical end face probably be "
" shape.Be set to the inside of off-premises station 1 when described dividing plate after, the inner space of described off-premises station 1 is divided up and down.
And the upper central portion opening of left side dividing plate 48 is formed with rectangular tetragonal air conducting hole 48 ' in the described dividing plate 48, and the upside in described air conducting hole 48 ' is provided with air conducting lid 49.
Described air conducting lid 49, its place ahead and top crested, and the rear is open, the air of radiator fan 59 forced conveyance that will next will illustrate is guided the rear into thus.
In the lower space of the described off-premises station 1 that is divided by described dividing plate 48, be provided with control box 50 along left and right directions.Described control box 50 is difference the place ahead separately by the cubic box-like shape of opening, and cover by described lid 50 ' in its place ahead.And the inside of described control box 50 is provided with a plurality of electronic devices, controls a plurality of parts of described off-premises station inside thus.
Promptly, though diagram not is provided with in the inside of described control box 50: can between different parts, connect electric relay, tellite (PCB), accumulate electric charge and play the capacitor of small-capacity cells effect and can restrain the electronic devices such as reactor that transient voltage falls.
When described electronic device is worked, the inside of described control box 50 can produce a lot of heats, in order to prevent described heat damage electronic device, be provided with the heat abstractor dish 58 that possesses heat abstractor in the back of described control box 50, also be provided with radiator fan 59 at the upside of described heat abstractor dish 58.
And then the internal heat of described control box 50 is passed to described heat abstractor dish 58, and described radiator fan 59 forces to make the air described heat abstractor dish 58 of flowing through, and cooling is conducted in the heat of described heat abstractor dish 58 thus.
In addition, the upper central portion on described chassis 12 is provided with compressor 60.The refrigerant that the fluid reservoir 70 that next described compressor 60 will will illustrate is carried is compressed into high-temperature high-pressure state, and it is provided with a plurality of according to the quantity that is connected in the described indoor set of described off-premises station 1.
The upper central portion on described chassis 12 is provided with fluid reservoir 70.Described fluid reservoir 70 receives gaseous coolant and the liquid refrigerants that indoor set (not shown) is carried simultaneously, and therefrom only isolates gaseous coolant and be transported to described compressor 60, and it has the drum of inner conductively-closed.
But having as mentioned above, there is following problem in the control box of the existing off-premises station of structure.
That is, as previously mentioned, be provided with a plurality of electronic devices, and reactor wherein can cause delaying work of printed circuit board (PCB) (not shown) thus with quite high temperature (100～110 ℃) heating in the inside of described control box 50.
And, heat conducting mode has been used in the cooling that utilizes 59 pairs of control boxes of described heat abstractor dish 58 and radiator fan 50 to carry out, therefore its cooling effectiveness does not reach the degree that is enough to offset described reactor (not shown) heat that produces, and the temperature of the described control box 50 of result can continue to rise.
Moreover, above-mentioned described problem can reduce the confidence level of off-premises station integral body.
Summary of the invention
To have problems in order solving in the above-mentioned prior art, to the purpose of this invention is to provide the control box of the air-conditioner outdoor unit that the overcurrent of a kind of control box that is provided with a plurality of electronic devices in inside and controls the parts that are arranged at off-premises station inside by the off-premises station inner air be cooled.
Other purpose of the present invention provides a kind ofly leads convection current plate and radiator fan in the one side setting of the inside of control box, and makes the cooling effectiveness of reactor reach the control box of maximized air-conditioner outdoor unit.
In order to reach the foregoing invention purpose, the technical solution used in the present invention provides a kind of control box of air-conditioner outdoor unit, include the control box that is provided with a plurality of electronic devices in inside and controls the air-conditioner outdoor unit of off-premises station work, wherein: be provided with rotation when connecting power supply and form and the guiding extraneous air flow into the air suction inlet within the control box in a side of described control box to the radiator fan of the external forced air-supply of control box and perforate, in described control box, also be provided with the inside of dividing described control box and guide flow direction by described air suction inlet leaked-in air lead the convection current plate.
Described air suction inlet only is formed on a side direction of leading the convection current plate.
Inside one side of described control box also is provided with and can suppresses the reactor that transient voltage falls.
Described reactor is arranged on adjacent to air suction inlet and leads on the position of convection current plate.
One side of described control box is set as the air that can guide described radiator fan institute forced conveyance and is discharged to tap outside the control box.
With the described convection current plate of leading is benchmark, with a corresponding side in the space that reactor is installed tellite is installed.
Effect of the present invention is the control box of multi-split air conditioner off-premises station of the present invention as mentioned above, make the air of off-premises station inside flow through control box inside and carry out air cooling.The various devices that are installed within the described control box can be not influenced and prevent the driving generation mistake of air-conditioner by heat institute.In addition, in the inside of control box radiator fan is installed and leads the convection current plate, therefore can concentrate the cooling reactor, the device that is installed in the control box is effectively cooled off, each control assembly can be given full play to the function of self, reduction that can the advance preventing household air-conditioner.
Description of drawings
Air stream schematic side cutaway view when Fig. 1 is the work of prior art air-conditioner outdoor unit;
Fig. 2 is the installment state schematic diagram of the air-conditioner of the embodiment of the invention;
Fig. 3 is the composition and the mobile frame schematic diagram of refrigerant of the air-conditioner of the embodiment of the invention;
Fig. 4 is the internal structure exploded perspective view of the air-conditioner outdoor unit of the embodiment of the invention;
Fig. 5 is the internal structure stereogram of its place ahead open state of control box of air-conditioner outdoor unit of the present invention;
Fig. 6 is the air stream schematic side cutaway view in air-conditioner outdoor unit when work of the embodiment of the invention.
Among the figure:
100. off-premises station 102. outdoor magnetic valves
110. chassis 112. front panels
114. front grid 116. front upper carriages
120. constant speed compressor 122. oil eliminators
123. oily recovery tube 124. cross valves
126. valve brace table 128. service valves
130. subcooler 132. fluid reservoirs
134,134 '. preceding methods, rack 136. central chassis
150. dividing plate 152. air conducting holes
154. air conducting covers 160. top panels
162. passage 164. shields
166. discharge grid 170. fans
172. fan electromotor 174. motor fixing frames
180. outdoor heat converter 182. front heat exchangers
184. back heat exchanger 186. drain pans
188. side panel 190. back grids
192. rear board 194. back upper brackets
196. back methods, rack 200. indoor sets
202. indoor heat exchange 204. expansion valves
210. common liquid pipe 210 '. branch's liquid pipe
210 ". outdoor liquid pipe 212. common tracheaes
212 '. divide bronchus 212 ". outdoor tracheae
214. the common pipe of high-low pressure 300. control boxes
310. printed circuit board (PCB) 320. capacitors
330. reactor 340. air suction inlets
360. tap 370. radiator fans
372. convection current motor 374. motor installing ports
The specific embodiment
Followingly embodiments of the invention are elaborated with reference to accompanying drawing.
Fig. 2 is the installment state schematic diagram of the air-conditioner of the embodiment of the invention, and Fig. 3 is the composition and the mobile frame schematic diagram of refrigerant of the air-conditioner of the embodiment of the invention.
As shown in the figure, off-premises station 100 comprises, constant speed compressor 120 and frequency-changeable compressor 120 ', fluid reservoir 132, outdoor heat converter 180, outdoor electromagnetic expanding valve (LEV:linear expansion valve is to call " outdoor LEV " in the following text) 102 etc.; Indoor set 200 comprises, indoor heat converter 202 and expansion valve 204 etc.
For multi-split air conditioner, on the off-premises station more than or two 100, be connected with a plurality of indoor sets 200, the common tracheae 212 of the single comb that between off-premises station 100 and indoor set 200, is communicated with the common liquid pipe 210 that is provided with the single comb that flows as liquid refrigerants and flows as gaseous coolant.And, between the off-premises station more than two 100, be communicated with the common pipe 214 of the high-low pressure that is provided with the equilibrium that can keep refrigerant.
The common pipe 214 of described high-low pressure makes to possess in the entrance side of the described outdoor heat converter 180 of a plurality of off-premises stations 100 and is connected and is provided with, and keeps the refrigerant equilibrium between the off-premises station 100 thus.And then, in the off-premises station 100 of majority, do not use the outdoor heat converter of off-premises station 100 to carry refrigerant for 180 li yet, improve whole heat exchanger effectiveness thus.In addition, according to freezing or heat, the refrigerant of high pressure or the low pressure of will flowing in the inside of the common pipe 214 of described high-low pressure.
Described indoor set 200 is respectively arranged with the branch's liquid pipe 210 ' of the liquid refrigerants that flows and the branch bronchus 212 ' of mobile gaseous coolant, and described branch liquid pipe 210 ' and branch bronchus 212 ' are connected in described common liquid pipe 210 and common tracheae 212.
And, described a plurality of branches liquid pipe 210 ' and branch bronchus 212 ', according to the capacity of the indoor set 200 that is connected, its diameter is inequality separately.
In addition, described off-premises station 100 is respectively arranged with the outdoor liquid pipe 210 of the liquid refrigerants that flows " and the outdoor tracheae 212 of mobile gaseous coolant ", described outdoor liquid pipe 210 " and outdoor tracheae 212 " be connected in described common liquid pipe 210 and tracheae 212 jointly.
Below, be elaborated with reference to the structure of accompanying drawing to described off-premises station.
Fig. 4 is the internal structure exploded perspective view of the air-conditioner outdoor unit of the embodiment of the invention.
As shown in the figure, the chassis 110 that forms the base plate face is arranged on supports a plurality of parts bottom, and the front end on described chassis 110 is provided with the front panel 112 that forms the front lower outward appearance.
The upside of described front panel 112 is provided with front grid 114.And then, after extraneous air flows into by described front grid 114, the outdoor heat converter 180 of flowing through and next will illustrate.In addition, the upside of described front grid 114 also is provided with front upper carriage 116, is connected with the leading section of the motor fixing frame 174 that next will illustrate on described front upper carriage 116.
On described chassis 110, be provided with compressor 120,120 '.Described compressor 120,120 ' is compressed into the refrigerant of HTHP with refrigerant, and it is separately positioned on left side and right side.That is, the right side is provided with the constant speed compressor 120 that carries out constant speed drive relatively, and the left side is provided with the frequency-changeable compressor 120 ' as variable-ratio heat pump (Variable Speed Heat Pump).
Described compressor 120,120 ' uses the good scroll compressor (scrollcompressor) of the little efficient of noise, and especially described frequency-changeable compressor 120 ' is the frequency-changing cyclone formula compressor that can regulate speed according to load capacity.And then load capacity at first drives described frequency-changeable compressor 120 ' when only using a spot of indoor set 200, increases gradually and when only driving frequency-changeable compressor 120 ' and being not enough to, just drives described constant speed compressor 120 when load afterwards.
The outlet side of described constant speed compressor 120 and frequency-changeable compressor 120 ' is respectively arranged with oil eliminator 122.Described oil eliminator 122 is isolated and is discharged the lubricating oil that contains and make it to be recovered to compressor 120,120 ' in described compressor 120,120 ' refrigerant.
Promptly, in order to cool off described compressor 120,120 " frictional heat that produced when driving and the oil that uses together refrigerant be discharged to described compressor 120,120 ' outlet side, described oil eliminator 122 is isolated the oil that contains in the described refrigerant and by the oily recovery tube 123 anti-compressors 120,120 ' of delivering to.
And the outlet side of described oil eliminator 122 also is provided with check valve 122 ' and prevents the adverse current of refrigerant.That is, in described constant speed compressor 120 or the frequency-changeable compressor 120 ', when having only one to be driven, can prevent that the compression refrigerant adverse current is to drive compression machine not 120,120 ' inside.
Described oil eliminator 122 is connected with cross valve 124 by comb.Described cross valve 124 is according to refrigeration/heat run, can switch the flow direction of refrigerant, its end separately is connected with compressor 120,120 ' outlet (perhaps oil eliminator), compressor 120,120 ' inlet (perhaps fluid reservoir), outdoor heat converter 180 and indoor set 200 respectively.
And then, after the refrigerant that described constant speed compressor 120 and frequency-changeable compressor 120 ' are discharged will gather a place, flow into described cross valve 124 again.
The top first half central authorities on described chassis 110 are provided with valve brace table 126.Described valve brace table 126 supports and also guides described outdoor liquid pipe 210 ", outdoor tracheae 212 " and the common pipe 214 of high-low pressure, and service valve 128 also is arranged at this.In addition, the described comb 210,212,214 that is being supported by described valve brace table 126 is drawn by the comb gateway 188 ' of the side panel 188 that next will illustrate and is linked to each other with off-premises station 100.
The last left side of face rearward end on described chassis 110 is provided with subcooler 130.130 pairs of heat exchanges of described subcooler are cooled off once more in the refrigerant of the outdoor heat converter 180 that next will illustrate, it is arranged on the described outdoor liquid pipe 210 of the outlet side that is connected to outdoor heat converter 180 " the optional position on.
One side of described subcooler 130 promptly, is guided the refrigerant of outdoor heat converter 180 output into the outdoor liquid pipe 210 of indoor set 200 " a side be provided with drying machine (not shown).Described drying machine can be removed the described outdoor liquid pipe 210 of flowing through " refrigerant in the moisture that contains.
The central portion on described chassis 110 promptly, is provided with fluid reservoir 132 between described constant speed compressor 120 and the frequency-changeable compressor 120 '.After described fluid reservoir 132 separates liquid refrigerants, only gaseous coolant is transported to described compressor 120,120 '.
Promptly, from the refrigerant that described indoor set 200 flows into, there is not evaporation to become the liquid refrigerants of gaseous state, if be fed directly to described compressor 120,120 ', then refrigerant is compressed into the compressor 120 of HTHP gaseous coolant, 120 ' load can increase, therefore can cause compressor 120,120 ' impaired.
And then, flowing into the liquid refrigerants that does not have evaporation to become gaseous state in the refrigerant within the described fluid reservoir 132 compares gaseous coolant and will weigh, therefore the bottom that can store fluid reservoir 132 has only the gaseous coolant on top can flow into described compressor 120,120 ' thus.
The front end both sides on described chassis 110 are respectively arranged with preceding methods, rack 134,134 '.Methods, rack 134,134 ' before described, the front end edge above-below direction on described chassis 110 is provided with than length, and it is divided into left forward side frame 134 that is arranged at left-hand end and the right forward side frame 134 ' that is arranged at right-hand end.
Methods, rack 134,134 ' plays the effect of the control box 300 that supports described front upper carriage 116, front grid 114 and next will illustrate before described.In addition, the central portion in described left forward side frame 134 and right forward side frame 134 ' is provided with central chassis 136 along left and right directions.
Described central chassis 136 is provided with dividing plate 150.Described dividing plate 150 is upside space and lower side space with the internal separation of described off-premises station 100.That is, divide the upside described compressor 120,120 ' downside are set and the outdoor heat converter 180 that next will illustrate is set.
Described dividing plate 150 is separately positioned on the left and right sides, and described dividing plate 150 is by the horizontal part 150 ' that rearward forms from described central chassis 136 with from the past rake 150 that has a down dip certain angle and form in the rear end of described horizontal part 150 ' " constitute.
In the described dividing plate 150, the horizontal part 150 ' of left side dividing plate 150 is formed with air conducting hole 152, and the upside in described air conducting hole 152 is provided with air conducting lid 154.The place ahead and the top crested of described air conducting lid 154, and the rear is open, the air that will be arranged at 370 forced conveyance of radiator fan of bottom is thus guided the rear into.
The top outward appearance of described off-premises station 100 is formed by top panel 160.Described top panel 160 has cubic writing board shape, and about be provided with in pairs.And described top panel 160 is formed with passage 162, and the edge of described passage 162 prolongs the back downwards and forms columnar shield 164.Described shield 164 and described top panel 160 are integrally formed, and should be made of plastic material.
Described shield 164 cylindrical shapes and guide the air of fan 170 forced conveyance that next will illustrate to flow to the outside.In addition, the upside of described shield 164, that is, described passage 162 is provided with passage 162 corresponding circular row and goes out grid 166.
The inboard of described shield 164 is provided with fan 170, and described fan 170 rotates by the fan electromotor 172 that is arranged at its underpart, and the air with inside is discharged to the top thus.That is, after connecting power supplys, described fan electromotor 172 produces revolving force, above the described fan 170 that is fixedly installed on rotating shaft one end of described fan electromotor 172 thus also rotate and air is discharged to.
Described fan electromotor 172 is fixed by motor fixing frame 174.Described motor fixing frame 174, by the dull and stereotyped fixed head 174 ' in four directions and support the brace table 174 of described fixed head 174 ' " constitute.Described brace table 174 " about described paired brace table 174 is set in pairs " central portion described fixed head 174 ' is installed.And, described brace table 174 " front-end and back-end fixedly install described front upper carriage 116 respectively after up bending and the back upper bracket 194 that next will illustrate on.
The below of described top panel 160 is provided with outdoor heat converter 180.Described outdoor heat converter 180 makes flow through its inner refrigerant and extraneous air carry out heat exchange, and it is provided with in pairs with front and back.That is, described outdoor heat converter 180 is by the front heat exchanger 182 that is arranged at end downside before the described top panel 160 be arranged at that the back heat exchanger 184 of end downside constitutes after the described top panel 160.
Latter half of rearward bending of described front heat exchanger 182 and forming, promptly, described front heat exchanger 182, by the leading section from described front panel 112 down prolong certain-length and the vertical component effect 182 ' that forms and rearward tilt at a certain angle from the lower end of described vertical component effect 182 ' and the rake 182 that forms " constitute.
And then, described rake 182 " the lower end and the lower end of described back heat exchanger 184 adjacent, the lower end of the outdoor heat converter 180 of structure and described chassis 110 have certain distance as mentioned above.In addition, the side of described outdoor heat converter 180 also is provided with and can makes described compressor 120, the 120 ' refrigerant of supplying be assigned to the pipeline assembly 180 ' of each several part.
And the lower end downside of described outdoor heat converter 180 is provided with drain pan 186.Described drain pan 186 forms than length along left and right directions, and collection results from the condensed water of described outdoor heat converter 180 and discharges by the side thus.
The top left-hand end and the right-hand end on described chassis 110 are provided with side panel 188.Described side panel 188 forms the side outward appearance of off-premises station 100, is formed with comb access hole 188 ' respectively in the front and back of its bottom.
The rear end on described chassis 110 is provided with back grid 190.Described back grid 190 has and described back heat exchanger 184 corresponding sizes, and the downside of described back grid 190 is provided with rear board 192.
The upper end edge left and right directions of described back grid 190 is provided with back upper bracket 194 than length.Described back upper bracket 194 is arranged on the front, upper end of described back grid 190, supports the brace table 174 of described motor fixing frame 174 thus ".
The both ends of described back upper bracket 194, that is, the back edge on described chassis 110 partly is provided with back methods, rack 196.Described back methods, rack 196 forms than length along the vertical direction, and it supports described back grid 190, rear board 192 and top panel 160.
In addition, the top, back of described front panel 112 is provided with the control box 300 of wanting portion to constitute as the present invention.Described control box 300 has the outward appearance of general lineal hexahedral shape, and about each one be provided with in pairs.And, be provided with a plurality of electronic devices that next will illustrate in formation space, inside, control the work of described off-premises station 100 thus.
Followingly be elaborated with reference to the structure of accompanying drawing to described control box 300.
Fig. 5 is the internal structure stereogram of its place ahead open state of control box of air-conditioner outdoor unit of the present invention.
As shown in the figure, described control box 300 has the space of front openings, and portion is provided with within it: tellite (PCB) 310, accumulate electric charge and play the capacitor 320 of small-capacity cells effect and can restrain the electronic devices such as reactor 330 that transient voltage falls.
Described tellite (PCB) 310 is integrated a plurality of electronic devices and control the driving of off-premises station 100, it is compared the miscellaneous part that is installed within the described control box 300 and has more important role.And it is thermo-labile that described tellite (PCB) 310 is compared miscellaneous part.
And described reactor 330 can produce heat with 100～110 ℃ temperature when driving.And then, for the driven of described off-premises station 100, should and be provided with described reactor 330 and tellite (PCB) 310 mutual isolation, and need to use other formation that described tellite (PCB) 310 is cooled off.For this reason, described control box 300 has adopted extraneous air is flowed into and the formation of overcurrent.
Promptly, cut more longways along fore-and-aft direction below the right side of described control box 300 and be formed with a plurality of air suction inlets 340, described air suction inlet 340 makes the inside of control box 300 be connected with the outside, guides air within the described off-premises station 100 to flow into the inside of described control box 300 thus.
And what the bottom surface of the inner space of described control box 300 was provided with cubic plate shape leads convection current plate 350.The described front and back size of leading convection current plate 350 corresponding with the thickness of control box 300 and about divide the inner space of described control box 300, isolate described reactor 330 and tellite (PCB) 310 thus.
With the described convection current plate 350 of leading is benchmark, and the rightward space that its right side is formed with the control box 300 of air suction inlet 340 is equipped with described reactor 330, and left side (install reactor 330 to space of planes) is equipped with described tellite (PCB) 310.And then the high heat that described reactor 330 is produced can not be directly delivered to described tellite (PCB) 310.
And the described convection current plate 350 of leading also plays guiding flow into the air of control box 300 inside by air suction inlet 340 the effect of flow direction simultaneously.Promptly, as previously mentioned, be provided with described reactor 330 between described right flank of leading convection current plate 350 and the right flank within the control box 300, the air that flow within the described control box 300 is directed with right flank within the control box 300 by the described convection current plate 350 of leading.
And then described reactor 330 should be arranged on adjacent to described air suction inlet 340 and lead on the position of convection current plate 350, makes it thus to be carried out the air cooling by the outside that flows into by air suction inlet 340.
And, concentrate cooling reactor 330 for making by described air suction inlet 340 leaked-in airs, described bottom of leading convection current plate 350 is arranged on the position of left side edge of the air suction inlet 340 that is formed at the leftmost side in the described air suction inlet 340.That is, 340 of described air suction inlets are formed on a side direction of leading convection current plate 350.
The front, left side top of described control box 300 is formed with tap 360.Described tap 360 makes by air suction inlet 340 and flows into and cool off the outside that extraneous air behind the described reactor 330 is discharged into control box 300 again, and it is connected the inside/outside side of control box 300.
The place ahead of described tap 360 is provided with radiator fan 370.Described radiator fan 370 flows force air, makes the air within the described control box 300 be discharged into the outside by tap 360 thus.
Promptly, the place ahead of described radiator fan 370 is provided with the convection current motor 372 that produces rotary power when connecting power supply, the motor shaft of described convection current motor 372 inserts the center that is arranged on radiator fan 370, and described thus radiator fan 370 can receive the rotary power of convection current motor 372.
And then described convection current motor 372 makes the air within the control box 300 be transported to the rear from the place ahead, and the inner air that is transferred is discharged into the outside of control box 300 by described tap 360.
And the rear end operated by rotary motion of described convection current motor 372 has motor installing port 374, makes convection current motor 372 be maintained fixed state in the inside of control box 300 thus.
Below, the effect of the multi-split air conditioner of the present invention of structure describes to having as mentioned above with reference to Fig. 2 to Fig. 6.
Fig. 6 is the air stream schematic side cutaway view in air-conditioner outdoor unit when work of the embodiment of the invention.
Air-conditioner of the present invention as mentioned above is connected with a plurality of indoor sets 200 on an off-premises station 100, begin to carry out work according to user's selection some or all indoor sets 200.
After air-conditioner began to drive (cooling operation), described outdoor electromagnetic expanding valve (LEV) was open, and refrigerant flows between off-premises station 100 and indoor set 200.
At first, observe the refrigerant mobility status of off-premises station 100 and learn, enter into described fluid reservoir 132 after the gaseous coolant of indoor set 200 inflows is flowed through described cross valve 124, the gaseous coolant that is output in described fluid reservoir 132 flow into described compressor 120,120 '.
By the refrigerant of described compressor 120,120 ' the compression oil eliminator 122 of flowing through, after being contained in oil in the refrigerant and being separated, be recovered to described compressor 120,120 ' by described oily recovery tube 123 by described oil eliminator 122.
That is, when described compressor 120,120 ' compression refrigerant, can contain a certain amount of oil in the refrigerant, because described oil is liquid condition, and refrigerant is a gaseous state, therefore can be separated in the oil eliminator 122 as gas-liquid separator.
Flow through behind the described cross valve 124 by the refrigerant of described oil eliminator 122, flow into described outdoor heat converter 180.At this moment, described outdoor heat converter 180 plays the effect of condenser (during refrigeration mode), so refrigerant and extraneous air carry out being cooled into after the heat exchange and be liquid refrigerants.Cooled off more when flowing through described subcooler 130 by the refrigerant of described outdoor heat converter 180.
Flow through behind the drying machine (not shown) that to remove the moisture that contains in the refrigerant by the refrigerant of described subcooler 130, flow into indoor set 200 by described common liquid pipe 210.In addition, flow through that a part flow into other off-premises station 100 by the common pipe 214 of described high-low pressure in described compressor 120,120 ' the refrigerant.
To flow into the outdoor heat converter 180 that does not drive off-premises station 100 and refrigerant pressure is kept in balance by the common pipe of described high-low pressure 214 refrigerants that supply to other off-premises station 100, also carry out certain heat exchange by the outdoor heat converter 180 that does not drive off-premises station 100 simultaneously.
When refrigerant supplies to indoor set 200 by described common liquid pipe 210, will supply to the indoor set separately 200 the driving by the branch's liquid pipe 210 ' that separates from common liquid pipe 210.And described refrigerant carries out heat exchange at indoor heat converter 202 after described expansion valve 204 is depressurized.At this moment, described indoor heat converter 202 plays the effect of evaporimeter, so refrigerant carries out becoming low-pressure state after the heat exchange.
The refrigerant that described indoor heat converter 202 is discharged is flowed through described minute bronchus 212 ' and after gathering described common tracheae 212, is flow into described off-premises station 100.By described common tracheae 212 and outdoor tracheae 212 " refrigerant that flow into off-premises station 100 cross valve 124 of flowing through enters into described fluid reservoir 132.
After described fluid reservoir 132 is isolated and do not evaporated liquid refrigerants, only select gaseous coolant to supply to described compressor 120,120 '.Finish a circulation through aforesaid process.
In addition, when heating running, refrigerant flows in the opposite direction, and will be conditioned at described outdoor electromagnetic expanding valve (LEV) 102 coolant quantities.
With reference to the air mobility status of described off-premises station 100 shown in Figure 6, when connecting power supply, described fan electromotor 172 is driven and drives fan 170.When described fan 170 rotated, extraneous air flow into inside by described front grid 114 and back grid 190.
Flow into and carry out heat exchange when air within the described off-premises station 100 is flowed through described outdoor heat converter 180.At this moment, when air-conditioner carried out cooling operation, air outside received the heat that described outdoor heat converter 180 transmits and becomes the air of high temperature; In contrast, when air-conditioner heated running, air outside became the air of low temperature to described outdoor heat converter 180 transmission heat.
Flow through the air of described outdoor heat converter 180 by described fan 170 forced conveyance to the top, this moment, described shield 164 guiding air were discharged upward.
In addition, when described off-premises station 100 drives, be installed on a plurality of devices within the described control box 300, the high heat that especially described reactor 330 can produce.At this moment, described convection current motor 372 is switched on power supply and fast rotational, receives the also fast rotational and air take place to be flowed of described radiator fan 370 of the rotary power of described convection current motor 372.
The air that described radiator fan 370 causes flows, and at first, by being formed at the air suction inlet 340 of face under the described control box 300, the air of described dividing plate downside flow into the inside of control box 300.
By described air suction inlet 340 leaked-in airs, led the right flank of convection current plate 350 and the right flank within the control box 300 and guide and flow upward, and in process of flowing upward the described reactor 330 of cooling.
Flow through and describedly lead the upside space of convection current plate 350 upper ends and flow to described radiator fan 370 in the flow through top of inner space of control box 300 of the air that receives the heat of described reactor 330.
And, flow to the ambient air of described radiator fan 370, to the rear, as shown in Figure 5, be discharged into the outside of control box 300 by described tap 360 by described radiator fan 370 forced conveyance.
Be discharged into the air outside of described control box 300, promptly the air of the heat of soaking reactor 330 moves to the upside of dividing plate by described air conducting hole 152, meanwhile, is guided by described air conducting lid 154 and flow to the left side.
Afterwards, be discharged into the air of left side side, carry out heat exchange when flowing through described front heat exchanger 182 by described air conducting lid 154, and above being discharged into by described shield 164.
Scope of the present invention is not confined on the aforesaid embodiment, and in aforesaid technical scope, the those of ordinary skill in constructed field can be made multiple other distortion based on the present invention.
Claims (6)
1, a kind of control box of air-conditioner outdoor unit, include the control box that is provided with a plurality of electronic devices in inside and controls the air-conditioner outdoor unit of off-premises station work, it is characterized in that: be provided with rotation when connecting power supply and form and the guiding extraneous air flow into the air suction inlet (340) within the control box in a side of described control box (300) to the radiator fan (370) of the external forced air-supply of control box and perforate, in described control box (300), also be provided with the inside of the described control box of division and guide flow direction by described air suction inlet leaked-in air lead convection current plate (350).
2, the control box of air-conditioner outdoor unit according to claim 1 is characterized in that: described air suction inlet only is formed on a side direction of leading convection current plate (350).
3, the control box of air-conditioner outdoor unit according to claim 2 is characterized in that: inside one side of described control box (300) also is provided with the reactor (330) that can suppress transient voltage and fall.
4, the control box of air-conditioner outdoor unit according to claim 3 is characterized in that: described reactor (330) is arranged on adjacent to air suction inlet (340) and leads on the position of convection current plate (350).
5, the control box of air-conditioner outdoor unit according to claim 4 is characterized in that: a side of described control box (300) is set as the air that can guide described radiator fan institute forced conveyance and is discharged to tap (360) outside the control box.
6, the control box of air-conditioner outdoor unit according to claim 5 is characterized in that: with the described convection current plate (350) of leading is benchmark, with a corresponding side in the space that reactor (330) is installed tellite (310) is installed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100140943A CN101086362B (en) | 2006-06-06 | 2006-06-06 | Outdoor machine control box of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100140943A CN101086362B (en) | 2006-06-06 | 2006-06-06 | Outdoor machine control box of air conditioner |
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| CN101086362A true CN101086362A (en) | 2007-12-12 |
| CN101086362B CN101086362B (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100140943A Expired - Fee Related CN101086362B (en) | 2006-06-06 | 2006-06-06 | Outdoor machine control box of air conditioner |
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| CN (1) | CN101086362B (en) |
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| CN102340247A (en) * | 2010-07-20 | 2012-02-01 | 株式会社安川电机 | Matrix converter |
| CN102997345A (en) * | 2011-09-12 | 2013-03-27 | 松下设备空调研发马来西亚公司 | Cooling system for air-conditioner control box and air conditioner provided with the same |
| CN103458643A (en) * | 2012-05-29 | 2013-12-18 | 珠海格力电器股份有限公司 | Automatically controlled box and air conditioner's off-premises station |
| CN103925655A (en) * | 2014-04-01 | 2014-07-16 | 广东美的暖通设备有限公司 | Air-conditioner outdoor unit and air conditioner |
| CN104272031A (en) * | 2012-04-20 | 2015-01-07 | 大金工业株式会社 | Refrigeration device |
| CN105509180A (en) * | 2016-02-01 | 2016-04-20 | 芜湖美智空调设备有限公司 | Air conditioning system |
| WO2020100273A1 (en) * | 2018-11-16 | 2020-05-22 | 三菱電機株式会社 | Outdoor unit for air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100333819B1 (en) * | 1999-10-29 | 2002-04-26 | 윤종용 | Control box for air-conditioner |
| KR100954358B1 (en) * | 2006-01-25 | 2010-04-27 | 엘지전자 주식회사 | A controlbox of out-door unit for air conditioner |
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| CN102340247B (en) * | 2010-07-20 | 2014-06-18 | 株式会社安川电机 | Matrix converter |
| CN102340247A (en) * | 2010-07-20 | 2012-02-01 | 株式会社安川电机 | Matrix converter |
| CN102997345A (en) * | 2011-09-12 | 2013-03-27 | 松下设备空调研发马来西亚公司 | Cooling system for air-conditioner control box and air conditioner provided with the same |
| CN102997345B (en) * | 2011-09-12 | 2015-09-09 | 松下设备空调研发马来西亚公司 | The cooling system of air-conditioner control box and configure its air-conditioning |
| CN104272031A (en) * | 2012-04-20 | 2015-01-07 | 大金工业株式会社 | Refrigeration device |
| CN104272031B (en) * | 2012-04-20 | 2017-06-13 | 大金工业株式会社 | Refrigerating plant |
| CN103458643B (en) * | 2012-05-29 | 2016-04-27 | 珠海格力电器股份有限公司 | Automatically controlled box and air conditioner's off-premises station |
| CN103458643A (en) * | 2012-05-29 | 2013-12-18 | 珠海格力电器股份有限公司 | Automatically controlled box and air conditioner's off-premises station |
| CN103925655A (en) * | 2014-04-01 | 2014-07-16 | 广东美的暖通设备有限公司 | Air-conditioner outdoor unit and air conditioner |
| CN103925655B (en) * | 2014-04-01 | 2016-08-31 | 广东美的暖通设备有限公司 | Air-conditioner outdoor unit and air-conditioning |
| CN105509180A (en) * | 2016-02-01 | 2016-04-20 | 芜湖美智空调设备有限公司 | Air conditioning system |
| CN105509180B (en) * | 2016-02-01 | 2019-02-15 | 芜湖美智空调设备有限公司 | Air-conditioning system |
| WO2020100273A1 (en) * | 2018-11-16 | 2020-05-22 | 三菱電機株式会社 | Outdoor unit for air conditioner |
| JPWO2020100273A1 (en) * | 2018-11-16 | 2021-09-02 | 三菱電機株式会社 | Outdoor unit of air conditioner |
| JP7112027B2 (en) | 2018-11-16 | 2022-08-03 | 三菱電機株式会社 | outdoor unit of air conditioner |
| CN113508265A (en) * | 2019-03-01 | 2021-10-15 | 三菱电机株式会社 | Outdoor unit of air conditioner and air conditioner |
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