CN208458091U - A kind of concealed air-flow modified air conditioner in machine room - Google Patents

Abstract

The utility model discloses a kind of concealed air-flow modified air conditioner in machine room, including being located at evaporator, No.1 deflector and No. two deflectors below fan assembly, No. two deflectors are fixed between evaporator bottom plate and drip tray, there are gaps between the evaporator bottom plate and drip tray, No. two deflectors and drip tray weld, several air flow balance holes and water level balance hole are distributed on No. two deflectors, drip tray is equipped with double draining hole, it is separately positioned on the windward side and leeward side of No. two deflectors, evaporator bottom plate is equipped with several ventilation holes.A part of air-flow is directly sent to original air-flow dead zone by the deflector of the utility model, and the heat exchange in dead zone is greatly improved, and unit refrigerating capacity improves, and efficiency increases；Structure steganography is very beautiful inside drip tray, installs simpler；And internal deflector is smaller, can adapt to the use environment of various air flow rates, cost is lower, and use scope is wider, with more the value of industrialization.

Description

A kind of concealed air-flow modified air conditioner in machine room

Technical field

The utility model belongs to air conditioner in machine room field more particularly to a kind of concealed air-flow modified air conditioner in machine room.

Background technique

The key means of machine room air-conditioning energy-saving are exactly that interior increase evaporator area, reduction air circulation hinder in a limited space Power reduces blower power consumption.There is more unfavorable air current composition problem after increasing evaporator area in traditional air conditioner in machine room, Air current composition confusion causes the evaporation of the refrigerant in the process of evaporator part insufficient, and the refrigerant of evaporating completely does not enter pressure Contracting machine causes compressor liquid hammer, has seriously affected the normal table operation of air conditioner, and the performance and efficiency of air conditioner also decline significantly Subtract.In order to solve this problem, conventional means are the processes for significantly adjusting evaporator, and the journeys flow arrangement such as or not excessive difference is again Cause to seriously affect to the oil return of refrigeration system, may cause compressor burn, air conditioner delay machine.

Modified air conditioner in machine room, evaporator and right side evaporator in left side are flowed as shown in Figure 1 for the air of the prior art Centre increase No. 1 deflector, increase No. 2 deflectors and No. 3 deflectors in right side evaporator lower part, by experiment test And CFD simulation, air flowing trace schematic diagram as shown in Figure 1 is depicted, obtains air current composition by increase deflector excellent Change.But the diversion plan is more demanding to flow parameter, for different air flow rate ranges, needs to design different lead Stream scheme, when the fluctuation of overall air quantity is more than certain range, regulation performance will be deteriorated, and the effect of air delivery can obviously become Difference, and base of evaporator still has air-flow vortex.Angle, the size of deflector used require to test by largely testing Card, and the processing and installation of these deflectors are all more troublesome, and increase complete machine cost.Therefore, it still needs to carry out deflector scheme Optimization.

Utility model content

Purpose of utility model: the utility model aim is to provide a kind of concealed air-flow modified air conditioner in machine room.

Technical solution: the utility model includes the evaporator and No.1 deflector below fan assembly, and feature exists In further including No. two deflectors, No. two deflectors are fixed between evaporator bottom plate and drip tray, the evaporator There are gaps between bottom plate and drip tray.

The evaporator bottom plate includes left side evaporator bottom plate and right side evaporator bottom plate.

The right side evaporator bottom plate is equipped with several ventilation holes, and ventilation hole shape is rectangle, circle, ellipse or five Angular, the size of ventilation hole can be adjusted according to the size of actual evaporator.

The both ends inverse bending of No. two deflectors forms the first flanging and the second flanging, the first flanging level are set It sets, second flanging and No. two deflectors are at an acute angle.

The first flanging and drip tray on No. two deflectors weld, and the second flanging and right side evaporator bottom board are dead, The deflector does not need additional water conservancy diversion components, installation easy to produce.

Several air flow balance holes and water level balance hole are distributed on No. two deflectors, are guaranteeing evaporator improvement gas In the case that stream is sufficient, it is ensured that the pressure difference before and after No. two deflectors is minimum, and then ensures water level balance.

The air flow balance hole is located at the two sides of No. two deflectors, the water level balance hole be located at air flow balance hole it Between.

The drip tray is equipped with double draining hole.

The double draining hole is separately positioned on the windward side and leeward side of No. two deflectors, so that it is guaranteed that No. two deflectors The condensed water of two sides can be discharged, and reduce the ponding on drip tray.

The utility model has the advantages that a part of air-flow is directly sent to original air-flow dead zone by the deflector of the utility model, dead zone Heat exchange is greatly improved, and unit refrigerating capacity improves, and efficiency increases；Structure steganography is very beautiful inside drip tray, and installation is more Add simple；And internal deflector is smaller, can adapt to the use environment of various air flow rates, cost is lower, uses model It encloses more extensively, with more the value of industrialization.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the prior art；

Fig. 2 is the structural schematic diagram of the utility model；

Fig. 3 is the air flow trace schematic diagram of the utility model；

Fig. 4 is the evaporator floor diagram of the utility model；

Fig. 5 is the drip tray and No. two deflector structure schematic diagrames of the utility model；

Fig. 6 is the drip tray and No. two deflector left views of the utility model.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

As shown in Fig. 2, the utility model includes the evaporator 2 positioned at the lower section of fan assembly 1, No.1 deflector 3 and No. two Deflector 4, No. two deflectors 4 are fixed on " vacuum " region between evaporator bottom plate 5 and drip tray 6, and No. two deflectors 4 End directly corresponds to the poor base of evaporator region of air flow method, is not take up the airflow channel in 2 outside of unit evaporator, wind Resistance is minimum, cost is minimum, and there are the gaps that air-flow passes through between evaporator bottom plate 5 and drip tray 6.

Evaporator bottom plate 5 includes left side evaporator bottom plate and right side evaporator bottom plate, as shown in figure 4, right side evaporator bottom Plate is equipped with several ventilation holes, and the air that the gap between evaporator bottom plate 5 and drip tray 6 enters enters the right side through ventilation hole Side evaporator, ventilation hole shape are rectangle, circle, ellipse or pentagon, and the size of ventilation hole can be according to actual evaporator Size be adjusted.As shown in Figure 5 and Figure 6, the both ends inverse bending of No. two deflectors 4 forms the first flanging and the second folding Side, the first flanging is horizontally disposed, and the second flanging and No. two deflectors 4 are at an acute angle, and the first flanging and drip tray 6 weld, the second folding Side and right side evaporator bottom board are dead.Using integrated design, additional water conservancy diversion components are not needed, are hidden in drip tray 6 Portion, very beautiful, installation is simpler, and internal deflector is smaller, can adapt to the use environment of various air flow rates, Cost is lower, and use scope is wider.

Several air flow balance holes 7 and water level balance hole 8 are also distributed on No. two deflectors 4, is guaranteeing the improvement gas of evaporator 2 In the case that stream is sufficient, air flow balance hole 7 can ensure that the pressure difference of 4 front and back of No. two deflectors is minimum, and then pass through water level balance Hole 8 ensures the water level balance of No. two deflectors 4 windward sides and leeward side.Wherein, air flow balance hole 7 is located at No. two deflectors 4 Two sides, water level balance hole 8 is between air flow balance hole 7.Double draining hole is additionally provided on drip tray 6, respectively windward side drains Hole 9 and leeward side drainage hole 10 are reduced on drip tray 6 so that it is guaranteed that the condensed water of No. two 4 two sides of deflector can be discharged Ponding.

As shown in figure 3, by experiment test and CFD simulation, corresponding air flowing trace schematic diagram is depicted, I-in figure The outlet temperature average value (under inlet condition unanimous circumstances) that VI evaporator indicates section is respectively 12.3 DEG C, 13.2 DEG C, 14.2 ℃,11.9℃,12.3℃,14.8℃.It can be seen from the figure that air-flow is from the gap between evaporator bottom plate 5 and drip tray 6 Into, No. two deflectors 4 are flowed through, are directly passed through from right side evaporator negative, the air flow swirl of 2 rear side of evaporator completely eliminates, The heat transfer effect of evaporator 2 is obviously improved.V, VI section of airflow smooth of right side evaporator, no longer by left side evaporator cold wind Influence, outlet temperature is obviously improved, and the practical efficiency of evaporator 2 is higher.Some heat of IV section of right side evaporator Air passes through, and the refrigerant inside evaporator 2 being capable of evaporating completely.From the point of view of the outlet temperature of evaporator 2, left side evaporator and Right side evaporator still very close to, evaporator 2 outlet without band liquid phenomenon, compressor be not present liquid hammer risk.Evaporator 2 Practical heat transfer effect and utilization rate are higher, and the refrigerant of air conditioner is obviously improved, and blower power consumption is lower, and complete machine efficiency obviously mentions It rises.

Claims (9)

1. a kind of concealed air-flow modified air conditioner in machine room is led including being located at the evaporator (2) below fan assembly (1) with No.1 Flowing plate (3), which is characterized in that further include No. two deflectors (4), No. two deflectors (4) are fixed on evaporator bottom plate (5) Between drip tray (6), there are gaps between the evaporator bottom plate (5) and drip tray (6).

2. a kind of concealed air-flow modified air conditioner in machine room according to claim 1, which is characterized in that the evaporator Bottom plate (5) includes left side evaporator bottom plate and right side evaporator bottom plate.

3. a kind of concealed air-flow modified air conditioner in machine room according to claim 2, which is characterized in that steam on the right side It sends out device bottom plate and is equipped with several ventilation holes.

4. a kind of concealed air-flow modified air conditioner in machine room according to claim 1, which is characterized in that described No. two are led The both ends inverse bending of flowing plate (4) forms the first flanging and the second flanging, and first flanging is horizontally disposed, and described second Flanging and No. two deflectors (4) are at an acute angle.

5. a kind of concealed air-flow modified air conditioner in machine room according to claim 4, which is characterized in that No. two water conservancy diversion The first flanging and drip tray (6) on plate (4) weld, and the second flanging and right side evaporator bottom board are dead.

6. a kind of concealed air-flow modified air conditioner in machine room according to claim 1 or 4, which is characterized in that described two Several air flow balance holes (7) and water level balance hole (8) are distributed on number deflector (4).

7. a kind of concealed air-flow modified air conditioner in machine room according to claim 6, which is characterized in that the air-flow is flat Weighing apparatus hole (7) is located at the two sides of No. two deflectors (4), and the water level balance hole (8) is located between air flow balance hole (7).

8. a kind of concealed air-flow modified air conditioner in machine room according to claim 1, which is characterized in that the drip tray (6) it is equipped with double draining hole.

9. a kind of concealed air-flow modified air conditioner in machine room according to claim 8, which is characterized in that the double-drainage Hole is separately positioned on the windward side and leeward side of No. two deflectors (4).