CN103852339A - Automatic pore plate replacing device and method and external discharge type range hood air property testing device with device - Google Patents
Automatic pore plate replacing device and method and external discharge type range hood air property testing device with device Download PDFInfo
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- CN103852339A CN103852339A CN201410118904.4A CN201410118904A CN103852339A CN 103852339 A CN103852339 A CN 103852339A CN 201410118904 A CN201410118904 A CN 201410118904A CN 103852339 A CN103852339 A CN 103852339A
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Abstract
The invention provides an automatic pore plate replacing device and method and an external discharge type range hood air property testing device. By using the automatic pore plate replacing device, the testing is relatively automatic, and can be carried out with a single man, the testing efficiency can be improved and the result can be accurate. The device comprises a device, a first speed reducing motor, a second speed reducing motor, a rotating shaft, a pore plate disc and a plurality of round pore plates, and is characterized in that a groove of a certain depth is formed in the ground; the output shaft of the second speed reducing motor is in transmission connection with the rotating shaft through a transmission mechanism; the rotating shaft vertically penetrates through the pore plate disc and is fixedly connected with the central part of the pore plate disc; the rotating shaft is rotationally connected with a first bracket and a second bracket through at least two bearings which are respectively fixedly connected with the first bracket and the second bracket; a rectification cover, a diffusion cylinder fixedly connected with the rectification cover and a depressurizing cylinder fixedly connected with the diffusion cylinder are all fixedly arranged on a rack; a mounting frame is fixedly connected above the tail end of the depressurizing cylinder; a lighting end and a receiving end of an optoelectronic switch sensor are respectively arranged on two sides of the pore plate disc.
Description
Technical field
The present invention relates to range hood detecting instrument, especially relate to a kind of from moving orifice fitting and method and the exhausting type range hood air performance test apparatus that has this device.
Background technology
Range hood especially exhausting type range hood is the household kitchen electric appliance generally using both at home and abroad, the air performance test of exhausting type range hood relates to air quantity, total head, the important quality index of the range hoods such as efficiency, quality supervision department and range hood manufacturer are according to the requirement in GB17713-2011 appendix C China and foreign countries discharge type cooking fume exhauster air performance test methods, test unit described in " a kind of device for testing air quantity of range hoods " of the utility model that mostly to adopt as application number be 201020691808.8, carry out the test of the air performance of exhausting type range hood, and whether the indices of air performance that judges tested range hood with this is up to standard, this kind of test unit comprises radome fairing, decompression cylinder, switch board and computing machine, described radome fairing is connected by a wireway with range hood, radome fairing is connected by a diffusion barrel with one end of decompression cylinder, the other end of decompression cylinder is provided with orifice plate, in described decompression cylinder, be provided with at least four sampling spots, described sampling spot is connected with switch board by a connecting hose, described switch board is connected to computing machine by communication cable.Described sampling spot is evenly distributed on the inwall of decompression cylinder.Described radome fairing, diffusion barrel and decompression cylinder are stainless cylindrical-shaped structure, and described orifice plate is stuck in the end of decompression cylinder by fixture.This kind of test unit changed traditional air quantity test method of pinching by hand table, range estimation reading, and test efficiency and accuracy are improved.But this kind of test unit adopts manual method to change orifice plate, because of quality supervision department and manufacturer now the actual air performance test apparatus mostly using in test process, need to change circle or the annular orifice of 11 about 340 mm of external diameter, its diameter of bore is respectively 0mm, 50 mm, 60 mm, 80 mm, 100 mm, 120 mm, 140 mm, 160 mm, 180 mm, 200 mm and 220 mm, because of control desk and the end of decompression cylinder have 3 meters of multiple spurs from, in the time testing, conventionally need two staff, one people is at consing, one people changes orifice plate compounding practice, the test findings of control desk staff in an orifice plate situation out after, change different orifice plates by changing orifice plate staff, change orifice plate staff and often change orifice plate one time, need open fixture, take out orifice plate from decompression cylinder end, orifice plate is placed on orifice plate frame, take out the different orifice plate in another aperture and this orifice plate is put into decompression cylinder end from orifice plate frame, orifice plate is fixed with fixture, this process extremely bothers, and orifice plate is heavier, just in case change orifice plate staff change in orifice plate process careless, orifice plate falls, very easily injure the pin of oneself by a crashing object.In addition because the orifice plate changing is many, and orifice plate shape difference is few, and test has two people's operations, and the data of input are easily got wrong with the actual orifice plate adopting, and cause trial value inaccurate; And in process of the test, general station is near of decompression cylinder end because changing orifice plate people, the wind that in process of the test, range hood is discharged through decompression cylinder end is changed orifice plate people stopping in various degree sometimes, thereby affects the accuracy of trial value.
Summary of the invention
For the defect existing in above-mentioned prior art, the object of this invention is to provide a kind of from moving orifice fitting and method and the exhausting type range hood air performance test apparatus that has this device, make to test robotization more, and make the test can one man operation, thereby improve test efficiency and make result more accurate, the technical solution adopted for the present invention to solve the technical problems is, from moving orifice fitting, comprise control device, the first reducing motor, the second reducing motor, rotating shaft, orifice plate dish, some circular orifices, it is characterized in that, ground is provided with the groove of certain depth, the output shaft of described the second reducing motor is connected with described rotating shaft transmission by gear train, described rotating shaft is vertically passed described orifice plate dish and is fixedly connected with its centre, described rotating shaft is fixedly connected on respectively bearing on the first support and the second support and described the first support and described the second bracket-rotatable by least two and is dynamically connected, radome fairing, the diffusion barrel being fixedly connected with described radome fairing, the decompression cylinder being fixedly connected with described diffusion barrel is all fixed in described frame, described decompression cylinder end top is fixedly connected with an erecting frame, its both sides in described orifice plate dish are separately installed with luminous end and the receiving end of optoelectronic switch sensor.
Respectively have in the both sides of described groove two all the guide rail vertical with described groove be fixedly connected on ground, described the first support is fixedly connected with the first base, described the first base is by being fixedly connected on some rollers of its bottom surface and removable connection of described guide rail of described groove one side, and described the second support is by removable connection of guide rail of some rollers with the described groove opposite side of its bottom.Described the second reducing motor is fixedly connected with described the first base or is fixedly connected with the erecting bed that is fixedly connected on described the first base, and described frame is fixedly connected with ground.Described the first reducing motor is fixedly connected with ground or is fixedly connected with the erecting bed that is fixedly connected on ground, and its output shaft is coaxially fixedly connected with screw mandrel, is fixedly connected with described the first support with the supporting feed screw nut who is connected of described screw mandrel.
Also can, described the first support is fixedly connected with ground in described groove both sides respectively with described the second support, described frame bottom is provided with some rollers, the removable connection of guide rail that described roller is fixedly connected with perpendicular to described groove and with ground with two.Described the second reducing motor is fixedly connected with ground or is fixedly connected with the erecting bed that is fixedly connected on ground, described the first reducing motor is fixedly connected with ground or is fixedly connected with the erecting bed that is fixedly connected on ground, its output shaft is coaxially fixedly connected with screw mandrel, and the supporting feed screw nut who is connected is fixedly connected with described frame with described screw mandrel.
In described the first base side, described orifice plate dish is fixedly connected with some circular orifices, some described circular orifices are positioned at same plane, and external diameter is all identical, all be slightly less than the internal diameter of the fixed orifice of described decompression cylinder end, some described circular orifices the diameter of endoporus different, some described circular orifices are arranged from small to large clockwise or counterclockwise according to the size in aperture, distance from each described circular orifice center of circle to the central shaft of described rotating shaft all equates, and the distance between the center of circle of adjacent described circular orifice all equates, described orifice plate dish has the circular hole of the endoporus of the described circular orifice that is at least not less than the maximum endoporus of tool in the corresponding position of some described circular orifice endoporus, so that described endoporus is not blocked, do not affect the value of test.Described in topmost, circular orifice is when it is during in most significant digit, passes through the plane of the center of circle of this circular orifice and the central axis of described rotating shaft when vertical with described ground, and this circular orifice is aimed at the fixed orifice of described decompression cylinder end.One end that described orifice plate dish is the circular orifice corresponding position of 0 mm in diameter of bore fixedly mounts a light barrier.Turn at described orifice plate dish that to make diameter of bore be the described circular orifice of 0mm while being positioned at the top, described light barrier can stop the light of described optoelectronic switch sensor.
Further, the piece number of described circular orifice is 11, its external diameter is 335 mm, and the diameter of bore that the endoporus center of circle is the described circular orifice center of circle is respectively 0mm, 50 mm, 60 mm, 80 mm, 100 mm, 120 mm, 140 mm, 160 mm, 180 mm, 200 mm and 220 mm.
In described frame, be installed with the first limit switch, the second limit switch; On described the first support, be installed with a gag lever post, described gag lever post is provided with switch triggering mechanism, rotate with different directions at described the first reducing motor and acquire a certain degree or when revolution, described switch triggering mechanism moves to certain position, can trigger respectively described the first limit switch and the second limit switch, make them respectively in different conditions.
Further, described the first limit switch and described the second limit switch are normally closed microswitch.
Further, described the first limit switch and described the second limit switch are optoelectronic switch, and described switch triggering mechanism is light-baffling device.
Described control device at least comprises main control module, the first reducing motor driver module, the second reducing motor driver module.Described the first reducing motor is connected with described the first reducing motor driver module, described the second reducing motor is connected with described the second reducing motor driver module, and described the first limit switch, described the second limit switch, described optoelectronic switch sensor are connected with described main control module respectively.Described main control module has set in advance various working routines.
The technical scheme that technical solution problem of the present invention adopts also comprises, certainly moves the hole method of changing of orifice fitting, it is characterized in that, comprises the following steps:
Step 1: machine initialization;
Step 2: after detecting in current circular orifice situation indices and completing;
Step 3: described in described main control module instruction, the first reducing motor driver module rotates described the first reducing motor;
Step 4: whether described master control module judges the first limit switch disconnects or be in the light, and enters in this way step 5, returns to step 3 as no;
Step 5: described in described main control module instruction, the first reducing motor driver module stops operating described the first reducing motor;
Step 6: described in described main control module instruction, the second reducing motor driver module stops operating after making described the second reducing motor rotate certain revolution; The number of degrees that described certain revolution correspondence is rotated described orifice plate dish are the business of 360 degree divided by the piece number of circular orifice;
Step 7: described in described main control module instruction, the first reducing motor driver module makes described the first reducing motor reversing;
Step 8: described in described master control module judges, whether the second limit switch disconnects or be in the light, enters step 9 in this way, returns to step 7 as no;
Step 9: described in described main control module instruction, the first reducing motor driver module makes described the first reducing motor stop reversing;
Step 10: whether finish, be to shut down; Otherwise return to step 2.
Machine initialization described in above-mentioned steps one, comprises the following steps:
Step 1: start;
Step 2: described in described master control module judges, whether the first limit switch disconnects or be in the light, enter in this way step 4, as described in main control module instruction as described in no the first reducing motor driver module make as described in the first reducing motor rotate and circulate this step until as described in the first limit switch disconnect or be in the light and enter step 3;
Step 3: described in described main control module instruction, the first reducing motor driver module stops operating described the first reducing motor;
Step 4: described in described master control module judges, whether optoelectronic switch sensor is in the light, enter in this way step 6, as described in no instruction the second reducing motor driver module make as described in the second reducing motor rotate and circulate this step until as described in optoelectronic switch sensor be in the light and enter step 5;
Step 5: described in described main control module instruction, the second reducing motor driver module stops operating described the second reducing motor;
Step 6: described in described main control module instruction, the first reducing motor driver module makes described the first reducing motor reversing;
Step 7: described in described master control module judges, whether the second limit switch disconnects or be in the light, enters step 8 in this way, returns to step 6 as no;
Step 8: described in described main control module instruction, the first reducing motor driver module makes described the first reducing motor stop reversing, and initialization completes.
The technical scheme that technical solution problem of the present invention adopts also comprises, exhausting type range hood air performance test apparatus, comprise guide duct, radome fairing, diffusion barrel, decompression cylinder, switch board, computing machine, it is characterized in that, also comprise the described above orifice fitting of certainly moving.
Principle of work of the present invention is, when preliminary examination, after start, whether described master control module judges the first limit switch disconnects or is in the light, enter in this way step 4, as described in main control module instruction as described in no the first reducing motor driver module make as described in the first reducing motor rotate and circulate this step until as described in the first limit switch disconnect or be in the light and enter step 3; Its objective is and guarantee in the time that described orifice plate dish rotates, the situation that there will not be described circular orifice and described decompression cylinder end to bump against.Described in step 4, described in master control module judges, whether optoelectronic switch sensor is in the light, enter in this way step 6, as no this step of circulation until as described in optoelectronic switch sensor make while being in the light as described in the second reducing motor stop operating, its objective is that making diameter of bore is that first test under 0 circular orifice state is carried out, when machine detects, it is the circular orifice that makes to switch to next time the position nearest compared with the circular orifice of this detection that the second reducing motor described in step 6 rotates the object stopping operating after certain revolution, so that whole testing process starts to finish to the circular orifice of maximum endoporus from the circular orifice of minimum endoporus.
Test is carried out under the environmental baseline that meets exhausting type kitchen hood air method for testing performance regulation in GB/T 17713-2011 appendix C, tested lampblack absorber air outlet is connected with described guide duct, and tested range hood is electrically connected with described test unit, start initialization, and start the maximum gear of lampblack absorber, operating personnel by detection system detect current diameter of bore be in 0 circular orifice situation every data target and complete after, click next step, described in described main control module instruction, the first reducing motor driver module rotates described the first reducing motor until described the first limit switch disconnects or is in the light, described the first limit switch disconnect or the communication that is in the light to described main control module, described in described main control module instruction, the first reducing motor driver module stops operating described the first reducing motor, after described in instruction simultaneously, the second reducing motor driver module makes described the second reducing motor rotate certain revolution, stop operating, the number of degrees that the corresponding described orifice plate dish of described certain revolution rotates equal the business of 360 degree divided by the piece number of circular orifice, follow described in described main control module instruction the first reducing motor driver module described first reducing motor reversing to the second limit switch is disconnected or be in the light after stop operating, now current circular orifice is close to by the annular soft pad sheet and the described fixed orifice that stick in advance on the fixed orifice of described decompression cylinder end, operating personnel can detect every data target in the circular orifice situation that current diameter of bore second is little, so circulation, until every data target detects complete and draws total testing result in all circular orifice situations, finish rear shutdown.
The invention has the beneficial effects as follows, above-mentioned from moving orifice fitting and method and the exhausting type range hood air performance test apparatus that has this device owing to adopting, make the robotization more of range hood air performance test, and make the test can one man operation, thereby improve test efficiency and make result more accurate.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 structural representation (orifice plate does not cover fixed orifice).
Fig. 2 is the embodiment of the present invention 1 structural representation (orifice plate covers fixed orifice).
Fig. 3 is A-A cut-open view in Fig. 1.
Fig. 4 is B-B cut-open view in Fig. 2.
Fig. 5 is decompression cylinder end cross-sectional view.
Fig. 6 is the embodiment of the present invention 2 structural representations (orifice plate does not cover fixed orifice).
Fig. 7 is the embodiment of the present invention 2 structural representations (orifice plate covers fixed orifice).
Fig. 8 is that the embodiment of the present invention is changed hole method flow schematic diagram.
Fig. 9 is that the embodiment of the present invention is from moving orifice fitting initialization schematic flow sheet.
In figure 1, radome fairing, 2, computing machine, 3, control device, 4, flexible pipe, 5, diffusion barrel, 6, decompression cylinder, 7, orifice plate dish, 8, guide duct, 9, frame, 10, the second limit switch, 11, the first limit switch, 12, switch triggering mechanism, 13, feed screw nut, 14, roller, 15, the first base, 16, gear train, 17, the first support, 18, rotating shaft, 19, the second support, 20, guide rail, 21, the first reducing motor, 22, erecting bed, 23, screw mandrel, 24, the second reducing motor, 25, tested range hood, 26, circular orifice, 27, optoelectronic switch sensor, 28, erecting frame, 29, light barrier, 30, fixed orifice, 31, the hole of circular orifice.
Embodiment
From moving orifice fitting, comprise control device 3, the first reducing motor 21, the second reducing motor 24, rotating shaft 18, orifice plate dish 7, some circular orifices 26, it is characterized in that, ground is provided with the groove of certain depth, the output shaft of described the second reducing motor 24 is in transmission connection by gear train 16 and described rotating shaft 18, described rotating shaft 18 is vertical passes described orifice plate dish 7 and is fixedly connected with its centre, described rotating shaft 18 is fixedly connected on respectively bearing on the first support 17 and the second support 19 and described the first support 17 and described the second support 19 by least two and is rotatably connected, radome fairing 1, the diffusion barrel 5 being fixedly connected with described radome fairing 1, the decompression cylinder 6 being fixedly connected with described diffusion barrel 5 is all fixedly installed in frame 9, described decompression cylinder 6 end tops are fixedly connected with an erecting frame 28, its both sides in described orifice plate dish 7 are separately installed with luminous end and the receiving end of optoelectronic switch sensor 27.
In the embodiment of the present invention 1, the both sides of described groove respectively have two all the guide rail 20 vertical with described groove be fixedly connected on ground, described the first support 17 is fixedly connected with the first base 15, described the first base 15 is by being fixedly connected on some rollers 14 of its bottom surface and removable connection of described guide rail 20 of described groove one side, and described the second support 19 is by removable connection of guide rail 20 of some rollers 14 with the described groove opposite side of its bottom.Described the second reducing motor 24 is fixedly connected with described the first base 15 or is fixedly connected with the erecting bed 22 that is fixedly connected on described the first base 15, and described frame 9 is fixedly connected with ground.Described the first reducing motor 21 is fixedly connected with ground or is fixedly connected with the erecting bed 22 that is fixedly connected on ground, and its output shaft is coaxially fixedly connected with screw mandrel 23, is fixedly connected with described the first support 17 with the supporting feed screw nut who is connected 13 of described screw mandrel 23.
In the embodiment of the present invention 2, described the first support 17 is fixedly connected with ground in described groove both sides respectively with described the second support 19, described frame 9 bottoms are provided with some rollers 14, the removable connection of guide rail 20 that described roller 14 is fixedly connected with perpendicular to described groove and with ground with two.Described the second reducing motor 24 is fixedly connected with ground or is fixedly connected with the erecting bed 22 that is fixedly connected on ground, described the first reducing motor 21 is fixedly connected with ground or is fixedly connected with the erecting bed 22 that is fixedly connected on ground, its output shaft is coaxially fixedly connected with screw mandrel 23, is fixedly connected with described frame 9 with the supporting feed screw nut who is connected 13 of described screw mandrel 23.
In described the first base 15 sides, described orifice plate dish 7 is fixedly connected with some circular orifices 26, some described circular orifices 26 are positioned at same plane, and external diameter is all identical, all be slightly less than the internal diameter of the fixed orifice 30 of described decompression cylinder 6 ends, some described circular orifices 26 the diameter of endoporus different, some described circular orifices 26 are arranged from small to large clockwise or counterclockwise according to the size in aperture, distance from each described circular orifice 26 centers of circle to the central shaft of described rotating shaft 18 all equates, and the distance between the center of circle of adjacent described circular orifice 26 all equates, described orifice plate dish 7 has the circular hole of the endoporus of the described circular orifice 26 that is at least not less than the maximum endoporus of tool in the corresponding position of some described circular orifice 26 endoporus, so that described endoporus is not blocked, do not affect the value of test.Described in topmost, circular orifice 26 is when it is during in most significant digit, passes through the center of circle of this circular orifice 26 and the plane of the central axis of described rotating shaft 18 when vertical with described ground, and this circular orifice 26 is aimed at the fixed orifice 30 of described decompression cylinder 6 ends.One end that described orifice plate dish 7 is circular orifice 26 corresponding positions of 0 mm in diameter of bore fixedly mounts a light barrier 29.Turn at described orifice plate dish 7 that to make diameter of bore be the described circular orifice 26 of 0mm while being positioned at the top, described light barrier 29 can stop the light of described optoelectronic switch sensor 27.
Further, the piece number of described circular orifice 26 is 11, its external diameter is 335 mm, and the diameter of bore that the endoporus center of circle is described circular orifice 26 centers of circle is respectively 0mm, 50 mm, 60 mm, 80 mm, 100 mm, 120 mm, 140 mm, 160 mm, 180 mm, 200 mm and 220 mm.
In described frame 9, be installed with the first limit switch 11, the second limit switches 10; On described the first support 17, be installed with a gag lever post, described gag lever post is provided with switch triggering mechanism 12, rotate with different directions and acquire a certain degree or when revolution at described the first reducing motor 21, described switch triggering mechanism 12 moves to certain position, can trigger respectively described the first limit switch 11 and the second limit switch 10, make them respectively in different conditions.
Further, described the first limit switch 11 and described the second limit switch 10 are normally closed microswitch.
Further, described the first limit switch 11 and described the second limit switch 10 are optoelectronic switch, and described switch triggering mechanism 12 is light-baffling device.
Described control device 3 at least comprises main control module, the first reducing motor driver module, the second reducing motor driver module.Described the first reducing motor 21 is connected with described the first reducing motor driver module, described the second reducing motor 24 is connected with described the second reducing motor driver module, and described the first limit switch 11, described the second limit switch 10, described optoelectronic switch sensor 27 are connected with described main control module respectively.Described main control module has set in advance various working routines.
The technical scheme that technical solution problem of the present invention adopts also comprises, certainly moves the hole method of changing of orifice fitting, it is characterized in that, comprises the following steps:
Step 1: machine initialization;
Step 2: after detecting in current circular orifice 26 situations indices and completing;
Step 3: described in described main control module instruction, the first reducing motor driver module rotates described the first reducing motor 21;
Step 4: described in described master control module judges, whether the first limit switch 11 disconnects or be in the light, and enters in this way step 5, returns to step 3 as no;
Step 5: described in described main control module instruction, the first reducing motor driver module stops operating described the first reducing motor 21;
Step 6: described in described main control module instruction, the second reducing motor driver module stops operating after making described the second reducing motor 24 rotate certain revolution; The number of degrees that described certain revolution correspondence is rotated described orifice plate dish 7 are the business of 360 degree divided by the piece number of circular orifice 26;
Step 7: described in described main control module instruction, the first reducing motor driver module reverses described the first reducing motor 21;
Step 8: described in described master control module judges, whether the second limit switch 10 disconnects or be in the light, and enters in this way step 9, returns to step 7 as no;
Step 9: described in described main control module instruction, the first reducing motor driver module makes described the first reducing motor 21 stop reversing;
Step 10: whether finish, be to shut down; Otherwise return to step 2.
Machine initialization described in above-mentioned steps one, comprises the following steps:
Step 1: start;
Step 2: described in described master control module judges, whether the first limit switch 11 disconnects or be in the light, enter in this way step 4, as described in main control module instruction as described in no the first reducing motor driver module make as described in the first reducing motor 21 rotate and circulate this step until as described in the first limit switch 11 disconnect or be in the light and enter step 3;
Step 3: described in described main control module instruction, the first reducing motor driver module stops operating described the first reducing motor 21;
Step 4: described in described master control module judges, whether optoelectronic switch sensor 27 is in the light, enter in this way step 6, as described in no instruction the second reducing motor driver module make as described in the second reducing motor 24 rotate and circulate this step until as described in optoelectronic switch sensor 27 be in the light and enter step 5;
Step 5: described in described main control module instruction, the second reducing motor driver module stops operating described the second reducing motor 24;
Step 6: described in described main control module instruction, the first reducing motor driver module reverses described the first reducing motor 21;
Step 7: described in described master control module judges, whether the second limit switch 10 disconnects or be in the light, and enters in this way step 8, returns to step 6 as no;
Step 8: described in described main control module instruction, the first reducing motor driver module makes described the first reducing motor 21 stop reversing, and initialization completes.
The technical scheme that technical solution problem of the present invention adopts also comprises, exhausting type range hood air performance test apparatus, comprise guide duct 8, radome fairing 1, diffusion barrel 5, decompression cylinder 6, switch board, computing machine 2, it is characterized in that, also comprise the described above orifice fitting of certainly moving.
Principle of work of the present invention is, when preliminary examination, after start, whether described master control module judges the first limit switch 11 disconnects or is in the light, enter in this way step 4, as described in main control module instruction as described in no the first reducing motor driver module make as described in the first reducing motor 21 rotate and circulate this step until as described in the first limit switch 11 disconnect or be in the light and enter step 3; Its objective is and guarantee in the time that described orifice plate dish 7 rotates, the situation that there will not be described circular orifice 26 and described decompression cylinder 6 ends to bump against.Described in step 4, described in master control module judges, whether optoelectronic switch sensor 27 is in the light, enter in this way step 6, as no this step of circulation until as described in optoelectronic switch sensor 27 make while being in the light as described in the second reducing motor stop operating, its objective is that making diameter of bore is that first test under 0 circular orifice 26 states is carried out
When machine detects, it is the circular orifice 26 that makes to switch to next time the position nearest compared with the circular orifice of this detection 26 that the second reducing motor 24 described in step 6 rotates the object stopping operating after certain revolution, so that whole testing process starts to finish to the circular orifice 26 of maximum endoporus from the circular orifice 26 of minimum endoporus.
Test is carried out under the environmental baseline that meets exhausting type kitchen hood air method for testing performance regulation in GB/T 17713-2011 appendix C, tested lampblack absorber air outlet is connected with described guide duct 8, and tested range hood 25 is electrically connected with described test unit, start initialization, and start the maximum gear of range hood, operating personnel by detection system detect current diameter of bore be in 0 circular orifice 26 situations every data target and complete after, click next step, described in described main control module instruction, the first reducing motor driver module rotates described the first reducing motor 21 until described the first limit switch 11 disconnects or is in the light, described the first limit switch 11 disconnect or the communication that is in the light to described main control module, described in described main control module instruction, the first reducing motor driver module stops operating described the first reducing motor 21, after described in instruction simultaneously, the second reducing motor driver module makes described the second reducing motor 24 rotate certain revolution, stop operating, the number of degrees that the corresponding described orifice plate dish 7 of described certain revolution rotates equal the business of 360 degree divided by the piece number of circular orifice 26, follow described in described main control module instruction the first reducing motor driver module make described the first reducing motor 21 reverse to the second limit switch 10 disconnect or be in the light after stop operating, now current circular orifice 26 is close to by the annular soft pad sheet and the described fixed orifice 30 that stick in advance on the fixed orifice 30 of described decompression cylinder 6 ends, operating personnel can detect every data target in circular orifice 26 situations that current diameter of bore second is little, so circulation, until every data target detects complete and draws total testing result in all circular orifice 26 situations, finish rear shutdown.
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Claims (8)
1. from moving orifice fitting, comprise control device (3), the first reducing motor (21), the second reducing motor (24), rotating shaft (18), orifice plate dish (7), some circular orifices (26), it is characterized in that: ground is provided with the groove of certain depth, the output shaft of described the second reducing motor (24) is in transmission connection by gear train (16) and described rotating shaft (18), described rotating shaft (18) is vertically passed described orifice plate dish (7) and is fixedly connected with its centre, described rotating shaft (18) is fixedly connected on respectively bearing on the first support (17) and the second support (19) and described the first support (17) and described the second support (19) by least two and is rotatably connected, radome fairing (1), the diffusion barrel (5) being fixedly connected with described radome fairing (1), the decompression cylinder (6) being fixedly connected with described diffusion barrel (5) is all fixedly installed in frame (9), described decompression cylinder (6) end top is fixedly connected with an erecting frame (28), its both sides in described orifice plate dish (7) are separately installed with luminous end and the receiving end of optoelectronic switch sensor (27), the both sides of described groove respectively have two all the guide rail (20) vertical with described groove be fixedly connected on ground, described the first support (17) is fixedly connected with the first base (15), described the first base (15) is by being fixedly connected on some rollers (14) of its bottom surface and removable connection of guide rail (20) of described groove one side, described the second support (19) is by removable connection of guide rail (20) of some rollers (14) with the described groove opposite side of its bottom, described the second reducing motor (24) is fixedly connected with described the first base (15) or is fixedly connected with the erecting bed (22) that is fixedly connected on described the first base (15), and described frame (9) is fixedly connected with ground, described the first reducing motor (21) is fixedly connected with ground or is fixedly connected with the erecting bed (22) that is fixedly connected on ground, its output shaft is coaxially fixedly connected with screw mandrel (23), is fixedly connected with described the first support (17) with the supporting feed screw nut who is connected of described screw mandrel (23) (13), in described frame (9), be installed with the first limit switch (11), the second limit switch (10), on described the first support (17), be installed with a gag lever post, described gag lever post is provided with switch triggering mechanism (12), rotate with different directions at described the first reducing motor (21) and acquire a certain degree or when revolution, described switch triggering mechanism (12) moves to certain position, can trigger respectively described the first limit switch (11) and the second limit switch (10), make them respectively in different conditions, described control device (3) at least comprises main control module, the first reducing motor driver module, the second reducing motor driver module, described the first reducing motor (21) is connected with described the first reducing motor driver module, described the second reducing motor (24) is connected with described the second reducing motor driver module, described the first limit switch (11), described the second limit switch (10), described optoelectronic switch sensor (27) are connected with described main control module respectively, and described main control module has set in advance various working routines, in described the first base (15) side, described orifice plate dish (7) is fixedly connected with some circular orifices (26), some described circular orifices (26) are positioned at same plane, and external diameter is all identical, all be slightly less than the internal diameter of the fixed orifice (30) of described decompression cylinder (6) end, some described circular orifices (26) the diameter of endoporus different, some described circular orifices (26) are arranged from small to large clockwise or counterclockwise according to the size in aperture, distance from each described circular orifice (26) center of circle to the central shaft of described rotating shaft (18) all equates, and the distance between the center of circle of adjacent described circular orifice (26) all equates, described orifice plate dish (7) has the circular hole of the endoporus of the described circular orifice (26) that is at least not less than the maximum endoporus of tool in the corresponding position of some described circular orifices (26) endoporus, so that described endoporus is not blocked, do not affect the value of test, circular orifice described in topmost (26) is when it is during in most significant digit, pass through the center of circle of this circular orifice (26) and the plane of the central axis of described rotating shaft (18) when vertical with described ground, this circular orifice (26) is aimed at the fixed orifice (30) of described decompression cylinder (6) end, one end that described orifice plate dish (7) is circular orifice (26) corresponding position of 0 mm in diameter of bore fixedly mounts a light barrier (29), turn at described orifice plate dish (7) that to make diameter of bore be that the described circular orifice (26) of 0mm is while being positioned at the top, described light barrier (29) can stop the light of described optoelectronic switch sensor (27).
2. from moving orifice fitting, comprise control device (3), the first reducing motor (21), the second reducing motor (24), rotating shaft (18), orifice plate dish (7), some circular orifices (26), it is characterized in that: ground is provided with the groove of certain depth, the output shaft of described the second reducing motor (24) is in transmission connection by gear train (16) and described rotating shaft (18), described rotating shaft (18) is vertically passed described orifice plate dish (7) and is fixedly connected with its centre, described rotating shaft (18) is fixedly connected on respectively bearing on the first support (17) and the second support (19) and described the first support (17) and described the second support (19) by least two and is rotatably connected, radome fairing (1), the diffusion barrel (5) being fixedly connected with described radome fairing (1), the decompression cylinder (6) being fixedly connected with described diffusion barrel (5) is all fixedly installed in described frame (9), described decompression cylinder (6) end top is fixedly connected with an erecting frame (28), its both sides in described orifice plate dish (7) are separately installed with luminous end and the receiving end of optoelectronic switch sensor (27), described the first support (17) is fixedly connected with ground in described groove both sides respectively with described the second support (19), described frame (9) bottom is provided with some rollers (14), the removable connection of guide rail (20) that described roller (14) is fixedly connected with perpendicular to described groove and with ground with two, described the second reducing motor (24) is fixedly connected with ground or is fixedly connected with the erecting bed (22) that is fixedly connected on ground, described the first reducing motor (21) is fixedly connected with ground or is fixedly connected with the erecting bed (22) that is fixedly connected on ground, its output shaft is coaxially fixedly connected with screw mandrel (23), is fixedly connected with described frame (9) with the supporting feed screw nut who is connected of described screw mandrel (23) (13), in described frame (9), be installed with the first limit switch (11), the second limit switch (10), on described the first support (17), be installed with a gag lever post, described gag lever post is provided with switch triggering mechanism (12), rotate with different directions at described the first reducing motor (21) and acquire a certain degree or when revolution, described switch triggering mechanism (12) moves to certain position, can trigger respectively described the first limit switch (11) and the second limit switch (10), make them respectively in different conditions, described control device (3) at least comprises main control module, the first reducing motor driver module, the second reducing motor driver module, described the first reducing motor (21) is connected with described the first reducing motor driver module, described the second reducing motor (24) is connected with described the second reducing motor driver module, described the first limit switch (11), described the second limit switch (10), described optoelectronic switch sensor (27) are connected with described main control module respectively, and described main control module has set in advance various working routines, in described the first base (15) side, described orifice plate dish (7) is fixedly connected with some circular orifices (26), some described circular orifices (26) are positioned at same plane, and external diameter is all identical, all be slightly less than the internal diameter of the fixed orifice (30) of described decompression cylinder (6) end, some described circular orifices (26) the diameter of endoporus different, some described circular orifices (26) are arranged from small to large clockwise or counterclockwise according to the size in aperture, distance from each described circular orifice (26) center of circle to the central shaft of described rotating shaft (18) all equates, and the distance between the center of circle of adjacent described circular orifice (26) all equates, described orifice plate dish (7) has the circular hole of the endoporus of the described circular orifice (26) that is at least not less than the maximum endoporus of tool in the corresponding position of some described circular orifices (26) endoporus, so that described endoporus is not blocked, do not affect the value of test, circular orifice described in topmost (26) is when it is during in most significant digit, pass through the center of circle of this circular orifice (26) and the plane of the central axis of described rotating shaft (18) when vertical with described ground, this circular orifice (26) is aimed at the fixed orifice (30) of described decompression cylinder (6) end, one end that described orifice plate dish (7) is circular orifice (26) corresponding position of 0 mm in diameter of bore fixedly mounts a light barrier (29), turn at described orifice plate dish (7) that to make diameter of bore be that the described circular orifice (26) of 0mm is while being positioned at the top, described light barrier (29) can stop the light of described optoelectronic switch sensor (27).
3. according to claim 1 and 2 from moving orifice fitting, it is characterized in that: the piece number of described circular orifice (26) is 11, its external diameter is 335 mm, and the diameter of bore that the endoporus center of circle is described circular orifice (26) center of circle is respectively 0mm, 50 mm, 60 mm, 80 mm, 100 mm, 120 mm, 140 mm, 160 mm, 180 mm, 200 mm and 220 mm.
4. according to claim 1 and 2 from moving orifice fitting, it is characterized in that: described the first limit switch (11) and described the second limit switch (10) they are normally closed microswitch.
5. according to claim 1 and 2 from moving orifice fitting, it is characterized in that: described the first limit switch (11) and described the second limit switch (10) they are optoelectronic switch, and described switch triggering mechanism (12) is light-baffling device.
6. the hole method of changing from moving orifice fitting according to claim 1 and 2, is characterized in that: comprise the following steps:
Step 1: machine initialization;
Step 2: after detecting in current circular orifice (26) situation indices and completing;
Step 3: described in described main control module instruction, the first reducing motor driver module rotates described the first reducing motor (21);
Step 4: described in described master control module judges, whether the first limit switch (11) disconnects or be in the light, and enters in this way step 5, returns to step 3 as no;
Step 5: described in described main control module instruction, the first reducing motor driver module stops operating described the first reducing motor (21);
Step 6: described in described main control module instruction, the second reducing motor driver module stops operating after making described the second reducing motor (24) rotate certain revolution; The number of degrees that described certain revolution correspondence is rotated described orifice plate dish (7) are the business of 360 degree divided by the piece number of circular orifice (26);
Step 7: described in described main control module instruction, the first reducing motor driver module makes described the first reducing motor (21) reversing;
Step 8: described in described master control module judges, whether the second limit switch (10) disconnects or be in the light, and enters in this way step 9, returns to step 7 as no;
Step 9: described in described main control module instruction, the first reducing motor driver module makes described the first reducing motor (21) stop reversing;
Step 10: whether finish, be to shut down; Otherwise return to step 2.
7. the machine initialization of step 1 according to claim 6, is characterized in that: comprise the following steps:
Step 1: start;
Step 2: described in described master control module judges, whether the first limit switch (11) disconnects or be in the light, enter in this way step 4, as described in main control module instruction as described in no the first reducing motor driver module make as described in the first reducing motor (21) rotate and circulate this step until as described in the first limit switch (11) disconnect or be in the light and enter step 3;
Step 3: described in described main control module instruction, the first reducing motor driver module stops operating described the first reducing motor (21);
Step 4: described in described master control module judges, whether optoelectronic switch sensor (27) is in the light, enter in this way step 6, as described in no instruction the second reducing motor driver module make as described in the second reducing motor (24) rotate and circulate this step until as described in optoelectronic switch sensor (27) be in the light and enter step 5;
Step 5: described in described main control module instruction, the second reducing motor driver module stops operating described the second reducing motor (24);
Step 6: described in described main control module instruction, the first reducing motor driver module makes described the first reducing motor (21) reversing;
Step 7: described in described master control module judges, whether the second limit switch (10) disconnects or be in the light, and enters in this way step 8, returns to step 6 as no;
Step 8: described in described main control module instruction, the first reducing motor driver module makes described the first reducing motor (21) stop reversing, and initialization completes.
8. exhausting type range hood air performance test apparatus, comprise guide duct (8), radome fairing (1), diffusion barrel (5), decompression cylinder (6), a switch board, computing machine (2), it is characterized in that: also comprise and certainly move orifice fitting described in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410118904.4A CN103852339B (en) | 2014-03-27 | 2014-03-27 | From moving orifice fitting and method and having the exhausting type range hood air performance test apparatus of this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410118904.4A CN103852339B (en) | 2014-03-27 | 2014-03-27 | From moving orifice fitting and method and having the exhausting type range hood air performance test apparatus of this device |
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| CN103852339A true CN103852339A (en) | 2014-06-11 |
| CN103852339B CN103852339B (en) | 2016-04-06 |
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| CN201410118904.4A Expired - Fee Related CN103852339B (en) | 2014-03-27 | 2014-03-27 | From moving orifice fitting and method and having the exhausting type range hood air performance test apparatus of this device |
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| CN110361059A (en) * | 2019-07-03 | 2019-10-22 | 中国计量大学 | Range hood air quantity detection hole plate automatic loading device |
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| CN103852339B (en) | 2016-04-06 |
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Effective date of registration: 20170616 Address after: 312400 Zhejiang city of Shaoxing province Shengzhou City Development Zone Gaoxiang Road No. 6 Patentee after: Shaoxing Vicutu Electrical Co., Ltd. Address before: Gan Lin Zhen Ni Jia Du Cun 312400 Zhejiang city in Shaoxing Province, Shengzhou City, No. 86 Patentee before: Zhao Fuke |
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