A kind of frequency-variable air conditioner outdoor machine
Technical field
The utility model relates to the off-premises station in convertible frequency air-conditioner field, particularly a kind of convertible frequency air-conditioner.
Background technology
Air-conditioning be a kind of utilize its inner refrigerant (being generally freon) thus carry out compression process, condensation process, expansion process and evaporation process and finish refrigeration or heat the device of circulation.Existing air-conditioning comprises indoor set and off-premises station, connect by refrigerant piping between indoor set and the off-premises station, the type difference of the compressor that is provided with according to off-premises station inside, air-conditioning can be divided into common air-conditioning and convertible frequency air-conditioner, the main frame of convertible frequency air-conditioner is to carry out infinite variable speedly automatically, and it can provide required cold (heat) amount automatically according to room availability; After indoor temperature reached desired value, air-conditioner host to be can accurately keeping the operate at constant speed of this temperature, thereby guaranteed the stable of environment temperature.Along with the development of technology, advantage such as convertible frequency air-conditioner is energy-conservation with it, noise is low and temperature adjustment speed is fast has become the main product type in current air-conditioning market.
The off-premises station of convertible frequency air-conditioner mainly comprises housing, is arranged at the compressor of enclosure interior, the control box of outdoor heat converter, fan, fan electromotor and the operation of control off-premises station, wherein, be provided with the frequency conversion assembly in the control box, it mainly comprises: reactor, driving governor and wave filter.Driving governor is realized by printed circuit board (PCB).(PCB Printed Circuit Board) is in the air-conditioning work process, because control box produces a large amount of heats in meeting, if these heats can not in time be discharged, when the air-conditioning long-play, to make the control box temperature inside continue to raise, may cause burning its inner reactor, PCB and wave filter when serious.Usually adopt on the control box of existing frequency-variable air conditioner outdoor machine fin is installed, dispel the heat by the off-premises station air draught, but because the area of fin is very little, when environment temperature is higher, the radiating effect of fin becomes not obvious, make frequency converter operation at high temperature for a long time, thus the service life of reducing frequency converter greatly.In addition, can also a plurality of fans be installed in the outside of existing control box, with air channel at each heat generating components of the inner formation process of control box, make cold wind reach the cooling purpose through heat generating components, but mainly come from off-premises station inside owing to enter the wind of control box, therefore temperature is higher, and cool effect is affected.
Therefore, be necessary to propose a kind of radiator structure, make the heat that assembly produced in the control box in the frequency-variable air conditioner outdoor machine to discharge timely and effectively.
The utility model content
Introduced the notion of a series of reduced forms in the utility model content part, this will further describe in specific embodiment part.Utility model content part of the present utility model does not also mean that key feature and the essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection domain of attempting to determine technical scheme required for protection.
A kind of frequency-variable air conditioner outdoor machine is characterized in that, comprises
Shell (100);
Dividing plate (110), described dividing plate (110) is used for the inside of described shell (100) is divided into fan chamber (V1) and control chamber (V2), the shell (100) that described control chamber (V2) is corresponding is provided with air inlet (101), and described dividing plate (110) is provided with thermovent (112);
Radiator fan (120), described radiator fan (120) are arranged in the described fan chamber (V1); And
Control box (130), the sidewall of described control box (130) is fixed on the described dividing plate (110), the backboard of described control box (130) has opening (131), be provided with heater element (140) and radiator (150) in the described control box (130), described heater element (140) is fixed on the back side of the base plate (151) of described radiator (150), described base plate (151) is fixed on the frame of described opening (131) so that the fin (152) of described radiator (150) exposes from described opening (131), and described fin (152) is positioned at the back side of described control box (130).
The area of described thermovent (112) is greater than or equal to fin (152) side of described radiator (150).
The position of described air inlet (101) is corresponding with the position of the fin (152) of described radiator (150), and the area of air inlet (101) equals the lateral area of the fin (152) of radiator (150).
Described heater element (140) is the frequency conversion assembly.
Described control box (130) also comprises wind guide tank (160), described wind guide tank (160) comprises panel (161), be arranged at first baffle plate (162) and the second baffle (163) of the upper and lower end of described panel (161) respectively, described radiator (150) is contained in the described wind guide tank (160), and described first baffle plate (162) is fixed on the frame of described opening (131) with described second baffle (163).
The shape of the shape of described wind guide tank (160) and described radiator (150) is complementary.
Angle between the panel (161) of described first baffle plate (162), described second baffle (163) and described wind guide tank (160) is less than or equal to 90 degree respectively.
Be respectively arranged with stator (164) on described first baffle plate (162), the described second baffle (163) so that described wind guide tank (160) is fixed on the frame of described opening (131).
Described dividing plate (110) is provided with a plurality of lugs (111), the sidewall of described control box (130) is provided with the corresponding opening in position (132) with described lug (111), and described opening (132) matches so that described control box (130) is suspended on the described dividing plate (110) with described lug (111).
The quantity of described lug (111) is two.
Heater element in the frequency-variable air conditioner outdoor machine of the present utility model is fixed on the back side of radiator, and the outer surface of radiator is provided with wind guide tank, radiator is contained in the wind guide tank, the opening both sides of wind guide tank are respectively to having air inlet and air outlet, radiator fan can make air communication cross the air inlet suction, extract out from air outlet again,, and then can obtain better radiating effect so that air-flow can be concentrated the surface of flowing through radiator.
Description of drawings
Following accompanying drawing of the present utility model is used to understand the utility model at this as a part of the present utility model.Embodiment of the present utility model and description thereof have been shown in the accompanying drawing, have been used for explaining principle of the present utility model.In the accompanying drawings,
Fig. 1 is the schematic diagram according to off-premises station of the present utility model;
Fig. 2 is first schematic diagram according to the internal structure of off-premises station of the present utility model;
Fig. 3 A is second schematic diagram according to the internal structure of off-premises station of the present utility model;
Fig. 3 B is the partial enlarged drawing that has the dividing plate of lug among Fig. 3 A;
Fig. 4 is the 3rd schematic diagram according to the internal structure of off-premises station of the present utility model;
Fig. 5 is the schematic diagram according to the control box of off-premises station of the present utility model;
Fig. 6 A is the 4th schematic diagram according to the internal structure of off-premises station of the present utility model;
Fig. 6 B is the partial enlarged drawing that has the dividing plate of thermovent among Fig. 6 A;
Fig. 7 is the 5th schematic diagram according to the internal structure of off-premises station of the present utility model;
Fig. 8 is the schematic diagram according to the wind guide tank of opening contraction of the present utility model.
The specific embodiment
In the following description, having provided a large amount of concrete details understands the utility model more completely so that provide.Yet, it will be apparent to one skilled in the art that the utility model can need not one or more these details and implemented.In other example,, be not described for technical characterictics more well known in the art for fear of obscuring with the utility model.
Below by embodiment also in conjunction with the accompanying drawings, the technical solution of the utility model is further specified.
As shown in Figure 1 and Figure 2, omitted among the figure in the off-premises station with the irrelevant parts of inventive concept of the present utility model, for example compressor, condenser and four-way change-over valve etc.Frequency-variable air conditioner outdoor machine of the present utility model comprises: cubic type shell 100, the internal backplane of shell 100 is provided with dividing plate 110, the width of dividing plate 110 is identical with the width of base plate, it highly equals the height of shell 100, and dividing plate 110 is divided into fan chamber V1 and control chamber V2 with air-conditioner outdoor unit.Be provided with radiator fan 120 among the fan chamber V1, be provided with control box 130 among the control chamber V2.Shell 100 sidewalls of control chamber V2 correspondence are provided with air inlet 101.Shown in Fig. 3 A, Fig. 3 B, dividing plate 110 is provided with the lug 111 of a plurality of upward openings, lug 111 can adopt the method for punching press to be made, the sidewall of control box 130 is provided with the opening 132 that matches with lug 111, and lug 111 inserts opening 132 so that control box 130 is suspended on the dividing plate 110.
Be provided with the frequency conversion assembly in the control box 130, described frequency conversion assembly comprises printed circuit board (PCB), reactor and wave filter.As shown in Figure 3A, during owing to air-conditioning work, most heats that control box 130 is produced all come from reactor and wave filter, therefore in the utility model reactor and wave filter are referred to as heater element 140.As Fig. 4, shown in Figure 5, control box 130 also comprises radiator 150, and radiator 150 comprises base plate 151 and is set in parallel in a plurality of metal system fins 152 on the base plate 151.Heater element 140 is fixed on base plate 151 back sides of radiator 150, the bottom surface of control box 130 is provided with the opening 131 that the shape with the fin 152 of radiator 150 is complementary, the base plate 151 of radiator 150 is fixed on the frame of opening 131 so that fin 152 parts of radiator 150 are exposed in opening 131, and fin 152 parts are positioned at the back side of control box 130, and heater element 140 is positioned at the inboard of control box 130.On the frame of opening 131 that base plate 151 can be by being bolted to control box 130 bottoms.
In order to make the concentrated surface of air-flow that enters control chamber V2 by air inlet 101 by radiator 150, preferably, the position of air inlet 101 is corresponding with the position of the fin 152 of radiator 150, and the area of air inlet 101 equals the lateral area of the fin 152 of radiator 150.
Shown in Fig. 6 A, Fig. 6 B, on dividing plate 110, also be provided with and the corresponding thermovent 112 in the position of radiator 150, the shape of thermovent 112 is corresponding with the side of fin 152 parts of radiator 150, perhaps greater than the size of fin 152 part sides.
As Fig. 4, Fig. 5, shown in Figure 7, concentrate the fin 152 that passes through radiator 150 in order to make by the scattered air-flow of air inlet 101, further, described control box 130 can also comprise wind guide tank 160, wind guide tank 160 comprises panel 161, be arranged at first baffle plate 162 and the second baffle 163 of the upper and lower end of panel 161 respectively, panel 161 constitutes the groove that the side is " recessed " font with first baffle plate 162, second baffle 163, and promptly the angle between the panel 161 of wind guide tank 160 and first baffle plate 162, the second baffle 163 equals 90 degree respectively.The length of the degree of depth of wind guide tank 160 and panel 161, width all are complementary with fin 152 overall dimensions of radiator 150, so that radiator 150 can be contained in the wind guide tank 160, first baffle plate 162 is fixed on the frame of described opening (131) with second baffle 163, and panel 161 does not contact with radiator 150.Concrete fixed form can be, on first baffle plate 162 and the second baffle 163 outward extending stator 164 is set respectively, described stator 164 is provided with a plurality of bolts hole, bolt is fixed on wind guide tank 160 on the upper and lower frame of opening 131 by described bolt hole, and the fin 152 of radiator 150 is arranged in wind guide tank 160.
The shape of the shape of wind guide tank 160 and radiator 150 is complementary, radiator with rectangle in the present embodiment is that example describes, it will be understood by those skilled in the art that, this does not represent the qualification to the shape of wind guide tank 160, in addition, the shape of radiator 150 can also be triangle or other shape, and correspondingly, the shape of wind guide tank 160 also can be that triangle and other are irregularly shaped.As long as making air-flow can concentrate by radiator 150 as far as possible.
As shown in Figure 8, further, angle between first baffle plate 162, second baffle 163 and the panel 161 of wind guide tank 160 is respectively less than 90 degree, the opening that is wind guide tank 160 is contraction-like, utilizes the top and the fastening force between the bottom of first end plate 162, second end plate 163 and fin 152 that wind guide tank 160 is fixed on the fin 152 of radiator 150.
When air-conditioning work, as shown in Figure 4, low-temperature airflow F1 in the off-premises station external environment condition enters into control chamber V2 by air inlet 101, thereby fan 120 rotates and can make low-temperature airflow F1 be twitched the surface of process radiator 150, low-temperature airflow F1 through radiator 150 surfaces becomes high temperature gas flow F2, F2 goes into fan chamber V1 by thermovent 112 is laggard then, discharges from the grid-shaped ventilating opening that is arranged at fan 120 front ends, thereby reaches the purpose of cooling.If the outside of fin also is equipped with wind guide tank, the low-temperature airflow F1 that enters control chamber V2 so is under the twitch of fan 120, scattered low-temperature airflow F1 is concentrated on the surface of radiator 150, get final product so that more low-temperature airflow F1 flows through the surface of radiator 150, thereby can improve the radiating efficiency of fin.
It should be noted that described " low-temperature airflow " and " high temperature gas flow " are for the variations in temperature of airflow passes radiator 150 front and back.Enter air inlet 101 but the air-flow of the radiator 150 of not flowing through is defined as low-temperature airflow.The air-flow that the surface back temperature of radiator 150 of flowing through has risen, promptly the air-flow that flows out by thermovent 112 is defined as high temperature gas flow.
Heater element in the frequency-variable air conditioner outdoor machine of the present utility model is fixed on the back side of radiator, the heat that heater element is dispersed can directly import in the radiator, and the outer surface of radiator is provided with wind guide tank, radiator is contained in the wind guide tank, air inlet and air outlet that the opening both sides of wind guide tank are complementary to the side that size and radiator should be arranged respectively, radiator fan can make air communication cross the air inlet suction, extract out from air outlet again, so that air-flow can be concentrated the surface of flowing through radiator, and then can obtain better radiating effect.
The utility model is illustrated by the foregoing description, but should be understood that, the foregoing description just is used for for example and illustrative purposes, but not is intended to the utility model is limited in the described scope of embodiments.It will be understood by those skilled in the art that in addition; the utility model is not limited to the foregoing description; can also make more kinds of variants and modifications according to instruction of the present utility model, these variants and modifications all drop in the utility model scope required for protection.Protection domain of the present utility model is defined by the appended claims and equivalent scope thereof.