CN101586863A - Control box of central air conditioner - Google Patents
Control box of central air conditioner Download PDFInfo
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- CN101586863A CN101586863A CNA2008100532008A CN200810053200A CN101586863A CN 101586863 A CN101586863 A CN 101586863A CN A2008100532008 A CNA2008100532008 A CN A2008100532008A CN 200810053200 A CN200810053200 A CN 200810053200A CN 101586863 A CN101586863 A CN 101586863A
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Abstract
The invention relates to a control box of a central air conditioner. A communicating hole for communicating the inside and the outside of the control box is perforated and formed on a lateral surface; the outside of the control box is provided with a cooling fan, a suction generating component and an anti-disperse component; the cooling fan can generate rotating force so as to blow air forcibly; the suction generating component can suck air inside and outside the control box when the cooling fan blows air; and the anti-disperse component is used for guiding the flowing direction of outside air flowing inside the suction generating component. In the control box of the central air conditioner, a cooling passage for communicating with inside is formed at the outer side of the control box, and the cooling passage is provided with the cooling fan capable of blowing air forcibly to cool the control box so that heat inside the control box can be effectively cooled, and a fault can be prevented from occurring. Besides, the cooling efficiency can be maximized as electronic elements generating relatively much heat can be effectively cooled.
Description
Technical field
The present invention relates to a kind of control cabinet of air-conditioner, particularly relate to a kind of at control cabinet arranged outside suction production part and cooling fan, thereby the air of control cabinet inside is arranged by force to the outside, so that the control cabinet of the air-conditioner that control cabinet inside obtains cooling off.
Background technology
Usually, air-conditioner is a kind of hot-air that is used in the suction chamber, make it to carry out heat exchange with the low temperature refrigerant, then heat-exchanged air is arranged to indoor, carry out above-mentioned circulation repeatedly with this, thereby the interior space is lowered the temperature, the perhaps cooling/heating system that the interior space is heated by opposite running, promptly it is the equipment by compressor-condenser-a series of EGRs such as expansion valve-evaporimeter constitute.The air-conditioner of listing is except having original refrigeration, heat-production functions recently, also have indoor contaminated air is sucked, then through filtering, at last cleaned air passes is offered the indoor air purifying function, and humid air is processed into dry air, arrange then to indoor various additional functions such as dehumidification function.In addition, well-known, air-conditioner can be divided into the integral air conditioner that detachable air conditioner that indoor set and off-premises station be provided with separately respectively and off-premises station and indoor set are wholely set substantially.In addition, the air-conditioner of listing also comprises air-conditioner recently.When the air-conditioner of wanting to be provided with in the family more than two, perhaps, adopt air-conditioner more suitable having when in every office an air-conditioner being set in the building of office between many.Above-mentioned air-conditioner has the indoor set that an off-premises station and Duo Tai are connected with above-mentioned off-premises station, and its effect is with that many detachable air conditioners are set is identical.Fig. 1 is the air-conditioner off-premises station structural representation that the prior art of front panel is not installed.As shown in Figure 1, the external structure of the air-conditioner off-premises station 1 of this prior art by a plurality of panels in conjunction with and the longitudinal casing 2 that forms constitutes.The central interior level of shell 2 is provided with the baffle plate 4 that the inner space of shell 2 can be divided into upper space and lower space.The downside of baffle plate 4 is provided with the compressor 10 that refrigerant can be compressed into high-temperature high-pressure state; Be used to separate the fluid reservoir 20 of gaseous coolant and liquid refrigerants; And the control cabinet 30 that can control the operation of off-premises station 1.Control cabinet 30 is positioned at the following forequarter of baffle plate 4, and is supported by baffle plate 4, and the front of control cabinet 30 is provided with the case cover 32 that its inner space can be sealed with being allowed a choice.The upside of baffle plate 4 tilts to be provided with the outdoor heat converter 40 that the refrigerant that can make outdoor air and its internal flow carries out heat exchange.The upside of outdoor heat converter 40 is provided with the not shown air that can make off-premises station 1 inside flows to the top by force from downside fan component.But there are the following problems to have the air-conditioner off-premises station of prior art of said structure.Because the inside of control cabinet 30 is provided with multiple electronic component, these electronic components can produce a lot of heats in the running of air-conditioner.But do not have the structure to the outside with heat row on the control cabinet 30, therefore, above-mentioned heat will accumulate in the inside of control cabinet 30, thus might cause fault, thus influence the normal operation of air-conditioner.Moreover, not only caloric value is big such as electronic components such as electric capacity, and its heat resistance is lower, so occur easily damaging.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of cooling channel that is connected with its inside in the formation of the control cabinet outside, and the cooling fan of blow air by force is set, thereby can more effectively reduce the control cabinet of the air-conditioner of control cabinet internal temperature on cooling channel.
In order to achieve the above object, the control cabinet inside of air-conditioner provided by the invention is provided with the multiple electronic component that is used to control the air-conditioner operation, connects on the side of described control cabinet to be formed with the inside and the outside intercommunicating pore that is connected that can make control cabinet; The outside of control cabinet is equipped with cooling fan, suction generation part and anti-disperse component; Wherein cooling fan can produce revolving force, thus blow air by force; The suction generation part can suck control cabinet inside and air outside when the cooling fan blow air; Anti-disperse component then is used to guide the flow direction of the extraneous air that flows into suction generation part inside.
Inside one side of described suction generation part is provided with the heat conductor that the heat of control cabinet inside can be passed to the outside.
Described heat conductor comprises with the outer surface of control cabinet and contacting, and has the radiator of heat conductivity; And the spacing of being separated by is arranged on the radiator, utilizes the phase change of working fluid of portion's circulation within it and capillarity with the heat row of the radiator a plurality of radiating tubes to the outside.
The side of described suction generation part is provided with and is used to guide extraneous air to flow into the outer gas inflow portion of suction generation part inside; And the extraneous air row that will flow into from outer gas inflow portion is to the discharge portion of outside.
Described cooling fan is positioned at the place ahead of discharge portion, is used for the air that flow into suction generation part inside by outer gas inflow portion and intercommunicating pore is discharged by discharge portion.
Described discharge portion runs through formation along fore-and-aft direction.
Opening on described outer gas inflow portion and the anti-disperse component forms to same direction.
The control cabinet of air-conditioner provided by the invention is to form the cooling channel that is connected with its inside in the outside of control cabinet, and the cooling fan of blow air by force is set on cooling channel, with the cooling control cabinet, therefore can cool off the heat of control cabinet inside more effectively, thereby can prevent to break down.In addition, can access more effectively cooling owing to produce the electronic component of relative more heat transfer, thereby can make the cooling effectiveness maximization.
Description of drawings
Fig. 1 is the air-conditioner off-premises station structural representation that the prior art of front panel is not installed.
Fig. 2 is that air-conditioner provided by the invention constitutes stereogram.
Fig. 3 is an air-conditioner structural representation provided by the invention.
Fig. 4 is an air-conditioner off-premises station external structure stereogram provided by the invention.
Fig. 5 is an air-conditioner off-premises station STRUCTURE DECOMPOSITION schematic diagram provided by the invention.
Fig. 6 is a control cabinet back side external structure schematic diagram on the air-conditioner off-premises station provided by the invention.
Fig. 7 be among Fig. 6 I-I ' to cutaway view.
Fig. 8 is the suction production part structural perspective of control cabinet on the air-conditioner off-premises station provided by the invention.
Fig. 9 is a control cabinet air flow condition schematic diagram on the air-conditioner off-premises station provided by the invention.
The specific embodiment
Describe below in conjunction with the control cabinet of the drawings and specific embodiments air-conditioner provided by the invention.As Fig. 2, shown in Figure 3, air-conditioner provided by the invention by at least one off-premises station 100, many indoor sets 200 and be arranged on off-premises station 100 and indoor set 200 between, the distributor D that is used for refrigerant mobile controlled constitutes.Wherein off-premises station 100 is arranged on the outside of building usually, mainly is made of constant speed compressor 120, variable speed compressor 120 ', fluid reservoir 132, outdoor heat converter 180 and electric expansion valve 102.In addition, above-mentioned indoor set 200 is arranged on the inside of building usually, and its inside is provided with devices such as indoor heat converter 202 and expansion valve 204.Be communicated with between off-premises station 100 and the distributor D and be provided with that the single pipe arrangement that liquid refrigerants in internal flow---the high-pressure air pipe 214 of high-pressure gaseous refrigerant and the low pressure tracheae 212 that the low pressure gaseous coolant in internal flow in liquid pipe 210, internal flow.Indoor set 200 is provided with internal flow and the indoor liquid pipe 210 ' of liquid refrigerants and the indoor tracheae 212 ' that gaseous coolant in internal flow, and indoor liquid pipe 210 ' is connected with liquid pipe 210, high-pressure air pipe 214 and low pressure tracheae 212 with indoor tracheae 212 '.Above-mentioned many indoor sets 200 can differently be provided with respectively according to its kind and characteristic, and therefore, indoor liquid pipe 210 ' and indoor tracheae 212 ' are according to the indoor set 200 power differences that are connected and diameter has nothing in common with each other.In addition, the expansion valve 204 that is installed on the indoor set 200 can be controlled the refrigerant that flow into indoor heat converter 202, therefore, each expansion valve 204 can be controlled with different states respectively according to user's selection, flow into the cold medium flux of indoor heat converter 202 inside with adjusting.
As Fig. 4, shown in Figure 5, the bottom of above-mentioned air-conditioner outdoor unit 100 is provided with the chassis 110 that is used to support multiple parts, and its front end is provided with the front panel 112 that forms positive basifacial external structure.The upside of front panel 112 is provided with front grid 114, so extraneous air can flow to the outdoor heat converter 180 that is positioned at off-premises station 100 inside by front grid 114.In addition, the upside of front grid 114 is provided with front upper support 116, the leading section of the motor cabinet 174 that will illustrate below can assembling on the front upper support 116.The position, the surperficial left and right sides on chassis 110 is provided with the compressor 120,120 ' that refrigerant can be compressed into high-temperature high-pressure state.That is, the right side is provided with the constant speed compressor 120 with the constant speed operation, and the left side is provided with the variable speed compressor 120 ' as the variable-ratio heat pump.Be provided with oil equalizing pipe 121 between constant speed compressor 120 and the variable speed compressor 120 ', constant speed compressor 120 and variable speed compressor 120 ' are used to be interconnected, therefore when the fuel feeding deficiency appears in the compressor of a certain side, can be from the compressor make-up oil of opposite side, thus the compressor that causes owing to low on fuel 120,120 ' wearing and tearing can be prevented.In addition, as compressor 120,120 ' to use noise turbo-compressor low, that efficient is high to be advisable, particularly, can be advisable by the variable speed turbine compressor that bearing power is regulated rotating speed to use, therefore can only use minority indoor set 200 as variable speed compressor 120 ', be under the little situation of bearing power, first operation variable speed compressor 120 ' treats that bearing power is increased in the time of can't tackling when only using variable speed compressor 120 ' gradually, and constant speed compressor 120 just brings into operation.The outlet side of constant speed compressor 120 and variable speed compressor 120 ' is respectively equipped with separator 122.Separator 122 can be isolated lubricating oil from compressor 120, the 120 ' refrigerant of discharging, then isolated lubricating oil is sent back in the compressor 120,120 '.That is the frictional heat that produces during, for cooling compressor 120,120 ' operation and need to use lubricating oil.Above-mentioned parts of lubricating oil will be discharged by compressor 120,120 ' outlet with refrigerant., the lubricating oil separation in the refrigerant is provided with separator 122 for being gone out.Separator 122 is connected with cross valve 124 by pipe arrangement.Cross valve 124 can switch the flow direction of refrigerant according to refrigeration or heating operation, and its each port links to each other with compressor 120,120 ' outlet (or separator), compressor 120,120 ' inlet (or fluid reservoir), outdoor heat converter 180 and indoor set 200 respectively.Thereby, after compiling, the refrigerant of discharging from constant speed compressor 120 and variable speed compressor 120 ' will flow into cross valve 124.In addition, the surperficial first half centre on chassis 110 is provided with valve support member 126.Valve support member 126 is used to support liquid pipe 210, low pressure tracheae 212, high-pressure air pipe 214 and maintenance valve 128.In addition, will draw by the pipe arrangement gateway 188 ' on the following side panel that will illustrate 188 by liquid pipe 210, low pressure tracheae 212 and high-pressure air pipe 214 that valve support member 126 supports, and be connected on the indoor set 200.The surperficial left end on chassis 110 is provided with subcooler 130.Subcooler 130 is the further devices that cool off of refrigerant that obtain cooling off in the outdoor heat converter 180 that will will illustrate below, and it is arranged on the optional position on the liquid pipe 210 that is connected with the outlet of outdoor heat converter 180.Above-mentioned subcooler 130 is made of dual pipe.When the refrigerant of being discharged by outdoor heat converter 180 flows through above-mentioned subcooler 130, can offer indoor set 200 then by conduction of heat with its further cooling.And the fluid reservoir 132 that will illustrate below the refluence refrigerant that subcooler 130 outboard tube are discharged will flow into offers compressor 120,120 ', then again to circulate once more.The centre on chassis 110 promptly is provided with fluid reservoir 132 between constant speed compressor 120 and the variable speed compressor 120 '.Fluid reservoir 132 can be isolated liquid refrigerants, and only allows gaseous coolant flow into compressor 120,120 '.Promptly, if from the refrigerant that indoor set 200 flows into, contain the liquid refrigerants of failing to flash to gas, in case this part liquid refrigerants flows directly in the compressor 120,120 ', then can increase refrigerant is compressed into the compressor 120 of high-temperature high-pressure state, 120 ' load, therefore might damage compressor 120,120 '.Because it is heavier than gaseous coolant to flow in the refrigerant of fluid reservoir 132 inside liquid refrigerants, so liquid refrigerants will be stored in the bottom of fluid reservoir 132, and has only the gaseous coolant on top to flow in the compressor 120,120 '.The front end both sides on chassis 110 are separately installed with the preceding square bearer 134,134 ' that vertically is provided with, and are divided into left forward side framework 134 that is arranged on left-hand end and the right forward side framework 134 ' that is arranged on right-hand end.Preceding square bearer 134,134 ' is used to support front upper support 116, front grid 114 and the following control cabinet that will illustrate 140.In addition, the central portion of left forward side framework 134 and right forward side framework 134 ' is provided with central frame 136 along left and right directions.A pair of baffle plate 150 is installed on the central frame 136.Baffle plate 150 can be divided into the inner space of off-premises station 100 upside space and lower side space, promptly is divided into being used to be provided with compressor 120,120 ' and the lower side space of control cabinet 140 and the upside space that is used to be provided with outdoor heat converter 180.In addition, identical with control cabinet 140, a pair of baffle plate 150 is separately positioned on left and right sides.In addition, baffle plate 150 is by from central frame 136 horizontal-extending and the horizontal part 150 ' that forms and the rake 150 that forms to back lower place inclination certain angle from the rear end of horizontal part 150 ' backward " constitute.The place ahead of baffle plate 150 is provided with control cabinet 140.The inside of control cabinet 140 is provided with multiple electronic component (the symbol E among Fig. 7), is used to control the operation of air-conditioner.Such as, the inside of control cabinet 140 is provided with electric capacity, voltage-stablizer and fan SPM, and these parts can produce bigger heat when operation.Therefore, be provided with the structure that the heat that is produced by the electronic component E of control cabinet 140 inside can be discharged at the back side of control cabinet 140.The back will describe these radiator structures in detail.In addition, the rectangular flat shape top panel 160 of the end face external structure of off-premises station 100 about by a pair of being arranged on forms.Be formed with passage 162 on the top panel 160.The edge of passage 162 is extended downwards and is formed with cylindric wind scooper 164.Wind scooper 164 is integrally formed with top panel 160, and suitable to be formed by plastic material, and its air conducting that blowing fan 170 can be blowed is to outside.In addition, the upside of wind scooper 164 promptly is equipped with in the passage 162 with the corresponding circular row of passage 162 shapes and goes out grid 166.The inboard of wind scooper 164 is provided with blowing fan 170.Blowing fan 170 can be rotated under the driving of fan electromotor 172, thereby with inner air row upward.That is, when producing rotation when fan electromotor 172 connection external power sources, the blowing fan 170 that is fixed on fan electromotor 172 rotating shafts one end also will rotate, thereby with air row upward.In addition, fan electromotor 172 is fixed by motor cabinet 174.Motor cabinet 174 is by rectangular flat shape fixed head 174 ' and the support member 174 that is used for support fixation plate 174 ' " constitute, and support member 174 " be arranged in pairs in about.Pair of engage members 174 " central part fixed head 174 ' is installed.In addition, support member 174 " front-end and back-end bend upward and form, and be separately fixed on front upper support 116 and the following upper rear portion support 194 that will illustrate.The below of top panel 160 is provided with outdoor heat converter 180.Outdoor heat converter 180 can make the refrigerant of its internal flow and extraneous air carry out heat exchange, and before and after being arranged in pairs in.That is, outdoor heat converter 180 is made of front heat exchanger 182 that is arranged on top panel 160 leading sections belows and the back side heat exchanger 184 that is arranged on top panel 160 rearward end below.Wherein, the Lower Half of front heat exchanger 182 forms to back lower place bending.That is, front heat exchanger 182 extends the vertical component effect 182 ' of certain-length and the rake 182 that tilts to extend certain-length from the lower end of vertical component effect 182 ' to the back lower place downwards by the leading section from top panel 160 " constitute.Thereby, rake 182 " the lower end and the lower end of back side heat exchanger 184 adjoin each other, and 110 on the lower end of outdoor heat converter 180 and chassis are mutually across a certain distance.In addition, the side of outdoor heat converter 180 also is formed with the thimble assembly 180 ' that its each several part the refrigerant that is provided by compressor 120,120 ' can be provided.The below, lower end of outdoor heat converter 180 is provided with drain pan 186.Above-mentioned drain pan 186 is along the left and right directions setting, and the condensed water that is used for generating on the outdoor heat converter 180 is collected the back and discharged to a side.In addition, the surperficial left-hand end on chassis 110 and right-hand end are provided with the side panel 188 that forms off-premises station 100 lateral outer structures, and the position is formed with pipe arrangement gateway 188 ' respectively before and after the bottom of side panel 188.The rear end on chassis 110 is provided with back side grid 190, and back side grid 190 and back side heat exchanger 184 is big or small corresponding, and the downside of back side grid 190 then is provided with back panel 192.The upper end edge left and right directions of back side grid 190 is provided with upper rear portion support 194.Upper rear portion support 194 is used for the support member on the motor cabinet 174 174 " rear end supports.In addition, vertex angle part vertically is provided with back square bearer 196 after two of chassis 110.Back square bearer 196 is used to support back side grid 190, back panel 192 and top panel 160.In addition, the downside of central frame 136 is provided with the control cabinet 140 that is used to control a plurality of parts actions that are arranged on off-premises station 100 inside, and its inside is provided with electronic component E such as aforesaid electric capacity, voltage-stablizer and fan SPM.In addition, about above-mentioned control cabinet 140 is arranged in pairs in, and has symmetrical shape.Control cabinet 140 comprises the case cover 144 that front end face is the box main body 142 of open state and is used for fully sheathed case main body 142 front end faces.Its raising middle flask cover 144 is to combine together with box main body 142 by assembling parts such as screws.Front end one side of box main body 142 is equipped with hinge 146.When the front of control cabinet 140 was exposed on the external, under the effect of hinge 146, control cabinet 140 can rotate, and therefore is beneficial to the after-sales service of control cabinet 140.Promptly, above-mentioned hinge 146 is to combine with left forward side framework 134 or right forward side framework 134 ', it can guide its rotation in support and control case 140 weight, when control cabinet 140 is as the criterion direction rotation laterally with hinge 146, the maintenance personal can change each parts that is arranged on control cabinet 140 rear sides at an easy rate, such as compressor 120, fluid reservoir 132.In addition, the back side of control cabinet 140 also is provided with the hot type that electronic component E can the be produced structure to the outside.
As Fig. 6～shown in Figure 8, be benchmark with Fig. 6, the front of above-mentioned control cabinet 140, promptly the frontal left of box main body 142 and central part are provided with heat conductor 300.Above-mentioned heat conductor 300 is provided with a plurality of, and it can pass the heat of control cabinet 140 inside to the outside, and is arranged on the position that the heat of control cabinet 140 inside effectively can be conducted.In addition, heat conductor 300 comprises with the outer surface of control cabinet 140 and contacting, and have the radiator 310 of heat conductivity and contact, utilize the phase change of working fluid and capillarity that the heat of radiator 310 is spread to outside a plurality of radiating tubes 320 with radiator 310.Above-mentioned radiator 310 is made such as aluminium by the high metal of pyroconductivity, and has the tabular structure of quadrangle.The front of the back side of radiator 310 and box main body 142 interfixes with the face state of contact.The heat meeting heating cabinet main body 142 of above-mentioned control cabinet 140 inside, and this part heat will pass the place ahead to radiator 310.The inside of above-mentioned radiator 310 is provided with radiating tube 320.Radiating tube 320 is provided with a plurality of in the mode that forms along left and right directions, and arranges in equally spaced mode along the above-below direction of radiator 310.Biography will be arranged to the outside under the effect of radiating tube 320 to the heat of control cabinet 140 inside of radiator 310, and a plurality of radiating tubes 320 of equidistantly arranging then can more effectively be discharged heat.The place ahead of above-mentioned radiating tube 320 is provided with a plurality of air guiding portion spares 330.Air guiding portion spare 330 is made by the high metal of pyroconductivity, is the quadrangle writing board shape, and is arranged on the front of radiator 310 in equally spaced mode.Above-mentioned air guiding portion spare 330 is along the left and right directions setting, the air that the cooling fan 340 that will illustrate below being used to guide blows, and be parallel to radiating tube 320.Thereby, will cool off by the air that cooling fan 340 blows through the heat of control cabinet 140 inside of radiator 310 and radiating tube 320 conduction.The place ahead of air guiding portion spare 330 is provided with cooling fan 340.Cooling fan 340 is positioned at the center of the air guiding portion spare 330 that is in central part, and it utilizes rotary power to come blow air by force, thereby control cabinet 140 the place ahead ambient airs are discharged forward.Therefore, suck air from its back side side by side forwards the process at cooling fan 340, air will flow into the back side central authorities of cooling fan 340 along the gap of a plurality of air guiding portion spares 330, and therefore biography will be cooled off by radiating tube 320 and radiator 310 to the heat of control cabinet 140 inside of box main body 142.In addition, the left and right side standoff distance of cooling fan 340 is provided with anti-disperse component 350.Above-mentioned anti-disperse component 350 prevents that this air from dispersing in the time of can sucking extraneous air at cooling fan 340 generation suction, this air is concentrated flowed into air guiding portion spare 330, be used for cooling off the big parts of electronic component E caloric value of control cabinet 140 inside.That is, control cabinet 140 inside are provided with electronic component E such as electric capacity, voltage-stablizer and fan SPM.Above-mentioned electric capacity, voltage-stablizer and fan SPM will produce very high heat when work.Anti-disperse component 350 is arranged in some rears of above-mentioned electric capacity, voltage-stablizer, fan SPM, and open along the length direction of radiating tube 320.Thereby the heat that above-mentioned each electronic component E produces passes behind box main body 142 will be flow through the air cooling of anti-disperse component 350 inside with the state that does not disperse.In addition, the upper and lower part of anti-disperse component 350 contacts with the front of bigger contact area with box main body 142, therefore the heat of passing to box main body 142 will pass to anti-disperse component 350, thereby the heat that can more effectively electronic component E be produced passes the outside to control cabinet 140.In addition, be as the criterion with the air-flow direction in anti-disperse component 350 inside, anti-disperse component 350 has the more little structure of its area of section to the downstream more.This is the speed air flow that flows through anti-disperse component 350 inside in order to increase, so that can distribute more heat in the shorter time.The front upper of box main body 142 is formed with horizontal quadrangle intercommunicating pore 360.Above-mentioned intercommunicating pore 360 is with the structure of the air of control cabinet 140 inside row to the outside, when cooling fan 340 by force during blow air, and the suction that the suction generation part 370 that will illustrate below it is used to transmit produces.In addition, be provided with suction generation part 370 between a pair of anti-disperse component 350.Above-mentioned suction generation part 370 is used at cooling fan 340 flow direction of blow air time guiding air by force, and makes intercommunicating pore 360 produce suction, and the cardinal principle middle position of its inside is provided with cooling fan 340.The middle part of suction generation part 370 connects and is formed with the surrounding air row circular discharge portion 372 forwards that cooling fan 340 can be sucked from the rear.Above-mentioned discharge portion 372 has and the close internal diameter of cooling fan 340 external diameters, is used for cooling fan 340 rows air conducting forwards to the place ahead.In addition, flow into the inside of suction generation part 370 again in order to prevent air that cooling fan 340 is discharged, the thickness of suction generation part 370 is to be advisable with the front position of cooling fan 340 is corresponding.
As shown in Figure 8, cut on the left and right side of above-mentioned suction generation part 370 and the bottom surface or run through the outer gas inflow portion 374 that is formed with.Above-mentioned outer gas inflow portion 374 is structures that the guiding extraneous air flows into suction generation part 370 inside, comprise being formed on suction generation part 370 left and right sides, and with the anti-corresponding otch of disperse component 350 directions and be formed on rectangular opening on suction generation part 370 bottom surfaces.Thereby when being blowed by force by cooling fan 340 and discharging air by discharge portion 372, suction will pass outside gas inflow portion 374, thereby make the inside of extraneous air inflow suction generation part 370.Meanwhile, because intercommunicating pore 360 closes the place ahead by suction generation part 370, therefore, will produce suction when cooling fan 340 blow air, under above-mentioned suction, the air of control cabinet 140 inside will flow into the inside of suction generation part 370 by intercommunicating pore 360.
Describe with the operation principle that refrigerating operaton is as the criterion to air-conditioner provided by the invention below with reference to Fig. 2～Fig. 5.At first, the refrigerant mobility status is described.To discharge by compressor 120,120 ' compression back from the gaseous coolant that above-mentioned indoor set 200 flows into.The lubricating oil separation that the high-temperature high-pressure state refrigerant of discharging will wherein contain when flowing through separator 122 goes out, and isolated lubricating oil will return in the compressor 120,120 '.That is, when compressor 120,120 ' compression refrigerant, lubricating oil will be mingled in the refrigerant, and above-mentioned lubricating oil is liquid, and refrigerant is a gaseous state, therefore need pass through gas-liquid separator---and separator 122 separates.The refrigerant that flows through behind the separator 122 will flow to cross valve 124, and inflow outdoor heat exchanger 180 then.Under refrigeration mode, outdoor heat converter 180 uses as condenser, so its inner refrigerant will carry out heat exchange with extraneous air, thereby gaseous coolant is cooled to liquid state.The refrigerant of discharging from outdoor heat converter 180 will flow into distributor D by liquid pipe 210, by distributor D refrigerant be distributed to many indoor sets 200 then.The decompression of will expanding when flowing through expansion valve 204 of the refrigerant of distributing to many indoor sets 200 by distributor D is carried out heat exchange then in each indoor heat converter 202.At this moment, above-mentioned each indoor heat converter 202 all uses as evaporimeter, so its inner refrigerant will become the low pressure gaseous state by the heat exchange with extraneous air.The refrigerant of discharging from indoor heat converter 202 flows into distributor D again after flowing through each indoor tracheae 212 '.The refrigerant that flows into distributor D will flow into fluid reservoir 132 by low pressure tracheae 212.The liquid refrigerants that does not obtain evaporating in indoor set 200 will be trapped in the fluid reservoir 132, therefore have only gaseous coolant to flow into compressor 120,120 '.Finish once circulation by said process.
Below with reference to Fig. 7 and Fig. 9 the process that the heat of control cabinet 140 inside cools off is described.At first, under state as shown in Figure 7, when cooling fan 340 produces rotation and pass through discharge portion 372 discharge air, the air of suction generation part 370 inside will flow to cooling fan 340 residing positions.Simultaneously, under above-mentioned suction effect, suction generation part 370 air outside will flow into its inside by outer gas inflow portion 374, and the air of control cabinet 140 inside then flows into the inside of suction generation parts 370 by intercommunicating pore 360.In addition, when sucking extraneous airs by the outer gas inflow portion 374 on suction generation part 370 left and right sides of being formed at, the part of extraneous air will run through the inside of anti-disperse component 350, therefore the flow velocity of this part air will be improved, the heat that the big electronic component E of caloric values such as electronic component E, particularly electric capacity, voltage-stablizer or fan SPM that is positioned at anti-disperse component 350 rears is produced obtains concentrating cooling.The inside of the anti-disperse component 350 of flowing through and the air that has absorbed electronic component E heat will flow into the gap between above-mentioned a plurality of air guiding portion spare 330, run through cooling fan 340 backs afterwards from the back side of cooling fan 340 and arrange forwards.Will be by the air that cooling fan 340 is discharged by the outside of discharge portion 372 rows to suction generation part 370.In this course, the heat of control cabinet 140 inside will obtain cooling by the heat conduction of heat conductor 300 and the convection action of suction generation part 370.
Scope of the present invention is not limited to the foregoing description, in above-mentioned technical scope, can be that multiple improvement is made on the basis for the person of ordinary skill of the art with the present invention.Such as, the foregoing description just forms intercommunicating pore 360 on the back side of control cabinet 140, be used to discharge the air of control cabinet 140 inside; But, also can on control cabinet 140 bottom surfaces, form air inflow aperture as required, the air of control cabinet 140 inside is flowed better.
Claims (7)
1, a kind of control cabinet of air-conditioner, inside is provided with the multiple electronic component (E) that is used to control the air-conditioner operation, it is characterized in that: perforation is formed with the inside and the outside intercommunicating pore (360) that is connected that can make control cabinet (140) on the side of described control cabinet (140); The outside of control cabinet (140) is equipped with cooling fan (340), suction generation part (370) and anti-disperse component (350); Wherein cooling fan (340) can produce revolving force, thus blow air by force; Suction generation part (370) can suck control cabinet (140) inside and air outside when cooling fan (340) blow air; Anti-disperse component (350) then is used for the flow direction that guiding flows into the inner extraneous air of suction generation part (370).
2, the control cabinet of air-conditioner according to claim 1 is characterized in that: inside one side of described suction generation part (370) is provided with the heat conductor (300) that the heat of control cabinet (140) inside can be passed to the outside.
3, the control cabinet of air-conditioner according to claim 2 is characterized in that: described heat conductor (300) comprises with the outer surface of control cabinet (140) and contacting, and has the radiator (310) of heat conductivity; And the spacing of being separated by is arranged on the radiator (310), utilizes the phase change of working fluid of portion's circulation within it and capillarity with the heat row of radiator (310) a plurality of radiating tubes (320) to the outside.
4, according to the control cabinet of claim 2 or 3 described air-conditioners, it is characterized in that: the side of described suction generation part (370) is provided with and is used to guide extraneous air to flow into the inner outer gas inflow portion (374) of suction generation part (370); And the extraneous air row that will flow into from outer gas inflow portion (374) is to the discharge portion (372) of outside.
5, the control cabinet of air-conditioner according to claim 4, it is characterized in that: described cooling fan (340) is positioned at the place ahead of discharge portion (372), is used for discharging by discharge portion (372) flow into the inner air of suction generation part (370) by outer gas inflow portion (374) and intercommunicating pore (310).
6, the control cabinet of air-conditioner according to claim 5 is characterized in that: described discharge portion (372) runs through formation along fore-and-aft direction.
7, the control cabinet of air-conditioner according to claim 4 is characterized in that: the opening on described outer gas inflow portion (374) and the anti-disperse component (350) forms to same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100532008A CN101586863A (en) | 2008-05-23 | 2008-05-23 | Control box of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100532008A CN101586863A (en) | 2008-05-23 | 2008-05-23 | Control box of central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101586863A true CN101586863A (en) | 2009-11-25 |
Family
ID=41371221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100532008A Pending CN101586863A (en) | 2008-05-23 | 2008-05-23 | Control box of central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101586863A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486670A (en) * | 2013-08-31 | 2014-01-01 | 江苏春兰空调设备有限公司 | Frequency conversion multi-union air conditioning unit and combination structure thereof |
| CN108061348A (en) * | 2017-12-29 | 2018-05-22 | 广东申菱环境系统股份有限公司 | A kind of urban track traffic integrated refrigeration station formula evaporative condenser air-conditioning system |
-
2008
- 2008-05-23 CN CNA2008100532008A patent/CN101586863A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486670A (en) * | 2013-08-31 | 2014-01-01 | 江苏春兰空调设备有限公司 | Frequency conversion multi-union air conditioning unit and combination structure thereof |
| CN108061348A (en) * | 2017-12-29 | 2018-05-22 | 广东申菱环境系统股份有限公司 | A kind of urban track traffic integrated refrigeration station formula evaporative condenser air-conditioning system |
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Open date: 20091125 |