Background technology
In order to promote high-efficiency energy-saving air conditioner, improve air-conditioning product efficiency of energy utilization; promote the development of air conditioner energy saving technical industry; product performance according to conditioner; advanced technology and performance for guaranteeing to obtain energy-conservation certified product are still energy-conservation than like product after long-term use, it is necessary to air regulator is grown fortune decay property test.
The fortune decay property test of air regulator length is defined many energy-saving indexs by existing " air regulator appraisal standards ", in recent years, " air regulator appraisal standards " revised draft, in order to conditioner being carried out more fully energy-conservation evaluation, this draft adds new performance assessment criteria on original energy-saving index basis, and this new performance assessment criteria is that air regulator is carried out atmospheric dust test.
At present, not yet there is the atmospheric dust simulator that air regulator is carried out atmospheric dust test, and spray in atmospheric dust process at atmospheric dust simulator, need the characteristic meeting atmospheric dust and the requirement evenly sprayed, but, adopt conventional spiral pushing and other mode of movements that Dust Capacity all can be caused to be difficult to accurately control and lump cause dust ejection uneven.
Practical novel content
The purpose of this utility model is that providing a kind of can evenly send the atmospheric dust simulation generator of atmospheric dust by automatic ration on request, simulation can be realized and send standard dust on air regulator interchanger, the performance degradation situation of speeding-up simulation air regulator in actual environment.
The purpose of this utility model is realized by following technical measures: a kind of atmospheric dust simulation generator, comprise electric control gear and machine shell, it is characterized in that: in described machine shell, be provided with several the atmospheric dust generating units in perpendicular upwards arrangement side by side, each atmospheric dust generating unit is primarily of the hybrid channel of transverse direction, compression gas pipe wherein is stretched into from rear, hybrid channel, for the dust box of splendid attire normal content atmospheric dust and the driving mechanism composition for driving motion before and after dust box, it is provided with described dust box in the lower section of described hybrid channel, the bottom of described hybrid channel has dust suction inlet, described dust suction inlet be positioned at the lower section of compression gas pipe and described dust suction inlet relative up and down with dust box, the rear end of compression gas pipe is stretched out machine shell and is connected compressed gas source, the front end, hybrid channel of each atmospheric dust generating unit is provided with a dust and sends mouth, namely this dust sends the common component that mouth is whole atmospheric dust generating unit, the compression gas pipe of the atmospheric dust generating unit that described electric control gear controls each setting sprays pressurized air in respective hybrid channel, the region being provided with compression gas pipe in hybrid channel is made to form negative pressure district, driving mechanism drives dust box to move forward so that the atmospheric dust in dust box is progressively sucked into hybrid channel from dust suction inlet simultaneously, again through with the mutual shear-mixed of pressurized air after jointly send mouth from dust and blow to the interchanger of air regulator.
The atmospheric dust of normal content described in the utility model refers to the atmospheric dust of the normal content meeting atmospheric dust test.The atmospheric dust generating unit of described setting, refer to the area size of the interchanger according to the air regulator being carried out atmospheric dust test, the atmospheric dust generating unit that the needs determined start, these atmospheric dust generating units are the atmospheric dust generating unit of setting.
What the utility model adopted the dust box of splendid attire standard atmosphere dust and compression gas pipe penetrates suction mode, and atmospheric dust is drawn through in journey with pressurized air mutual shearing friction penetrating so that Dust distribution is more even, thus ensure that dust accurately sends uniformly.
As a kind of preferred implementation of the present utility model, described compression gas pipe stretches 1/3～1/2 place to hybrid channel.
As a kind of enforcement mode of the present utility model, described driving mechanism comprises servomotor, horizontal guide rail and is arranged on the slide block bottom dust box, described slide block and guide rail are slidably matched, described driven by servomotor slide block moves forward to drive dust box to move forward and the atmospheric dust in dust box is progressively sucked in dust suction inlet on guide rail, or driven by servomotor slide block is mobile to drive dust box to move to starting position backward in order to dress powder backward on guide rail.
Guide rail described in the utility model is the screw rod being arranged in frame, described slide block be placed on screw rod and with screw rod for being threaded, described servomotor is connected with screw rod, described driven by servomotor screw rod is just rotating backward and is moving forward or backward with band movable slider, and dust box is moved forward or backward.
Improving as one of the present utility model, described dust suction inlet is the pipe body stretching into dust box downwards, and described pipe dignity is shorter than the tube wall of face forward to the tube wall at rear. Can make that atmospheric dust is more must be sucked from dust suction inlet.
The PLC that electric control gear described in the utility model comprises the control panel for setting parameter and is attached thereto, described PLC is connected with servomotor, on the control panel parameters, controls servomotor work by PLC.
Parameter described in the utility model is dust number of times, the time of dusting and the cycle of dusting.
Compared with prior art, the utility model has following significant effect:
(1) the utility model adopts the dust box of splendid attire normal content atmospheric dust, and use compression gas pipe penetrate suction mode, atmospheric dust is drawn through in journey with pressurized air mutual shearing friction penetrating so that Dust distribution is more even, thus ensure that dust accurately sends uniformly.
(2), by computer or touch-screen (control panel) parameters (number of times that dusts, the time of dusting, the cycle of dusting etc.), control servomotor by PLC and drive the powder box of different standards amount to run according to the parameter of setting by screw rod.
(3), owing to heat exchanger of air conditioner size is different, in order to ensure that dust is directed at interchanger uniformly and sends, the utility model have employed multiple dust and sends mouth and combinationally use according to interchanger size difference.
The utility model structure simple, be easy to realize, be suitable for extensively promoting and being suitable for.
Embodiment
As shown in Figure 1, it it is a kind of atmospheric dust simulation generator of the utility model, comprise electric control gear and machine shell, several the atmospheric dust generating units in perpendicular upwards arrangement side by side it are provided with in machine shell, each atmospheric dust generating unit is primarily of the hybrid channel 1 of transverse direction, compression gas pipe 2 wherein is stretched into from rear, hybrid channel 1, for the dust box 3 of splendid attire normal content atmospheric dust and the driving mechanism composition for driving motion before and after dust box 3, in the present embodiment, compression gas pipe 2 stretches 1/3 place to hybrid channel 1, in other embodiments, compression gas pipe stretches 1/3～1/2 place to hybrid channel.It is provided with dust box 3 in the lower section of hybrid channel 1, the bottom of hybrid channel 1 has dust suction inlet 4, dust suction inlet 4 be positioned at the lower section of compression gas pipe 2 and dust suction inlet 4 relative with dust box about 3, the rear end of compression gas pipe 2 is stretched out machine shell and is connected compressed gas source by pressurized air entrance 9, the front end, hybrid channel of each atmospheric dust generating unit is provided with a dust and sends mouth 5, namely this dust sends the common component that mouth 5 is whole atmospheric dust generating unit, the compression gas pipe 2 of the atmospheric dust generating unit that electric control gear controls each setting sprays pressurized air in respective hybrid channel 1, the region being provided with compression gas pipe 2 in hybrid channel 1 is made to form negative pressure district, driving mechanism drives dust box 3 to move forward so that the atmospheric dust in dust box 3 is progressively sucked into hybrid channel 1 from dust suction inlet 4 simultaneously, again through with the mutual shear-mixed of pressurized air after jointly send mouth 5 from dust and blow to the interchanger of air regulator.
In the present embodiment, dust suction inlet 4 is the pipe body stretching into dust box 3 downwards, and pipe dignity is shorter than the tube wall of face forward to the tube wall at rear. Can make that atmospheric dust is more must be sucked from dust suction inlet. Driving mechanism comprises servomotor 6, horizontal guide rail 7 and is arranged on the slide block 31 bottom dust box 3, slide block 31 and guide rail 7 are slidably matched, servomotor 6 drives slide block 31 to move forward to drive dust box 3 to move forward and make the atmospheric dust in dust box 3 progressively suck in dust suction inlet 4 on guide rail 7, or servomotor 6 drives slide block mobile to drive dust box 3 to move to starting position backward in order to dress powder backward on guide rail 7. Specifically: the screw rod of guide rail 7 for being arranged in frame, slide block 31 be placed on screw rod and with screw rod for being threaded, servomotor 6 is connected with screw rod, and servomotor 6 drives screw rod just rotating backward and moves forward or backward with band movable slider 31, and dust box 3 is moved forward or backward.
The PLC that electric control gear comprises the control panel for setting parameter (computer or touch-screen) and is attached thereto, PLC is connected with servomotor, in parameters (number of times that dusts, the time of dusting and the cycle of dusting etc.) on the control panel, control servomotor work by PLC.
Working process of the present utility model is: arrange relevant parameter according to test requirements document, atmospheric dust is loaded inside the dust box of splendid attire normal content atmospheric dust, what drive servomotor operation opens pressurized air simultaneously, pressurized air flows through injecting tube road (compression gas pipe), negative pressure district is produced at the rear portion of hybrid channel, utilize the atmospheric dust that negative pressure siphons away in dust box, atmospheric dust 8 by hybrid channel and the mutual shear-mixed after-blow of pressurized air to the interchanger of air regulator, owing to the interchanger size of air regulator is different, in order to ensure that atmospheric dust is directed at interchanger uniformly and sends, have employed multiple dust to send mouth and combinationally use according to interchanger size difference.
The above embodiment only have expressed part kind enforcement mode of the present utility model; it describes comparatively concrete and detailed; but therefore can not be interpreted as the restriction to the utility model patent scope; without departing from the concept of the premise utility; can also making some distortion and improvement, these all belong to the protection domain of the utility model patent.