CN103852339B - From moving orifice fitting and method and having the exhausting type range hood air performance test apparatus of this device - Google Patents
From moving orifice fitting and method and having the exhausting type range hood air performance test apparatus of this device Download PDFInfo
- Publication number
- CN103852339B CN103852339B CN201410118904.4A CN201410118904A CN103852339B CN 103852339 B CN103852339 B CN 103852339B CN 201410118904 A CN201410118904 A CN 201410118904A CN 103852339 B CN103852339 B CN 103852339B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- reducing motor
- orifice
- circular
- limit switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention provides a kind of from moving orifice fitting and method and having the exhausting type range hood air performance test apparatus of this device, make test robotization more, and make test can one man operation, thus improve test efficiency and make result more accurate, comprise control device, first reducing motor, 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 second reducing motor is connected with described rotating shaft transmission by gear train, described rotating shaft passes perpendicularly through described orifice plate dish and is fixedly connected with its centre, described rotating shaft is fixedly connected on bearing on the first support and the second support and described first support and described second bracket-rotatable respectively by least two and is dynamically connected, radome fairing, the diffusion barrel be fixedly connected with described radome fairing, the decompression cylinder be fixedly connected with described diffusion barrel is all fixedly installed in described frame, an erecting frame is fixedly connected with above described decompression cylinder end, its both sides in described orifice plate dish are separately installed with luminous end and the receiving end of optoelectronic switch sensor.
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 having the exhausting type range hood air performance test apparatus of this device.
Background technology
Range hood especially exhausting type range hood is the household kitchen electric appliance generally used 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, the test unit described in " a kind of device for testing air quantity of range hoods " of the utility model that most employing is 201020691808.8 as application number, carry out the test of the air performance of exhausting type range hood, and judge that whether the indices of the air performance of tested range hood is up to standard with this, 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, at least four sampling spots are provided with in described decompression cylinder, 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 changes traditional air quantity test method of pinching table, range estimation reading by hand, and test efficiency and accuracy are improved.But this kind of test unit adopts manual method to change orifice plate, because quality supervision department and the manufacturer air performance test apparatus that reality uses mostly now needs circle or the annular orifice of replacing 11 pieces of about 340mm of external diameter in test process, its diameter of bore is respectively 0mm, 50mm, 60mm, 80mm, 100mm, 120mm, 140mm, 160mm, 180mm, 200mm and 220mm, because of control desk with decompression cylinder end have 3 meters of multiple spurs from, when testing, usual need two staff, one people is at consing, one people carries out changing orifice plate compounding practice, the test findings of control desk staff in an orifice plate situation out after, different orifice plates is changed by changing orifice plate staff, change orifice plate staff and often change an orifice plate, fixture need be opened, orifice plate is taken out from decompression cylinder end, orifice plate is placed on orifice plate frame, take out the different orifice plate in another aperture from orifice plate frame and this orifice plate put into decompression cylinder end, with fixture, orifice plate is fixed, this process extremely bothers, and orifice plate is heavier, just in case change orifice plate staff to change in orifice plate process careless, orifice plate falls, very easily injure the pin of oneself by a crashing object.Orifice plate in addition owing to changing is many, and orifice plate shape difference is few, and test has two people's operations, and data and the actual orifice plate adopted of input are easily got wrong, cause trial value inaccurate; And in process of the test, general station is near 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 stop in various degree sometimes, thus affects the accuracy of trial value.
Summary of the invention
For the defect existed in above-mentioned prior art, the object of this invention is to provide a kind of from moving orifice fitting and method and having the exhausting type range hood air performance test apparatus of this device, make test robotization more, and make test can one man operation, thus 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, first reducing motor, 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 second reducing motor is connected with described rotating shaft transmission by gear train, described rotating shaft passes perpendicularly through described orifice plate dish and is fixedly connected with its centre, described rotating shaft is fixedly connected on bearing on the first support and the second support and described first support and described second bracket-rotatable respectively by least two and is dynamically connected, radome fairing, the diffusion barrel be fixedly connected with described radome fairing, the decompression cylinder be fixedly connected with described diffusion barrel is all fixed in described frame, an erecting frame is fixedly connected with above described decompression cylinder end, its both sides in described orifice plate dish are separately installed with luminous end and the receiving end of optoelectronic switch sensor.
Respectively there are two all vertical with described groove guide rails to be fixedly connected on ground in the both sides of described groove, described first support is fixedly connected with the first base, described first base is connected with the described guide rail of described groove side is removable by the some rollers being fixedly connected on its bottom surface, and described second support is connected with the guide rail of described groove opposite side is removable by the some rollers bottom it.Described second reducing motor is fixedly connected with described first base or is fixedly connected with the erecting bed being fixedly connected on described first base, and described frame is fixedly connected with ground.Described first reducing motor is fixedly connected with ground or is fixedly connected with the erecting bed being fixedly connected on ground, and its output shaft is coaxially fixedly connected with screw mandrel, and the supporting feed screw nut be connected is fixedly connected with described first support with described screw mandrel.
Also passable, described first support is fixedly connected with ground in described groove both sides respectively with described second support, is provided with some rollers bottom described frame, and described roller is connected with two guide rails be fixedly connected with perpendicular to described groove and with ground are removable.Described second reducing motor is fixedly connected with ground or is fixedly connected with the erecting bed being fixedly connected on ground, described first reducing motor is fixedly connected with ground or is fixedly connected with the erecting bed being fixedly connected on ground, its output shaft is coaxially fixedly connected with screw mandrel, and the supporting feed screw nut be connected is fixedly connected with described frame with described screw mandrel.
In described first base side, described orifice plate dish is fixedly connected with some pieces of circular orifices, some pieces of 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 pieces of described circular orifices the diameter of endoporus different, some pieces of described circular orifices arrange from small to large clockwise or counterclockwise according to the size in aperture, all equal to the distance of the central shaft of described rotating shaft from each described circular orifice center of circle, and distance between the center of circle of adjacent described circular orifice is all equal, described orifice plate dish has the circular hole of the endoporus of the described circular orifice being at least not less than the maximum endoporus of tool in the corresponding position of some described circular orifice endoporus, be not blocked to make described endoporus, do not affect the value of test.Circular orifice described in topmost when it is in most significant digit, namely pass through the center of circle of this circular orifice vertical with described ground with the plane of the central axis of described rotating shaft time, this circular orifice aims at the fixed orifice of described decompression cylinder end.Described orifice plate dish is that one end of the circular orifice corresponding position of 0mm fixedly mounts a light barrier in diameter of bore.Described orifice plate dish turn to make diameter of bore be the described circular orifice of 0mm be positioned at the top time, described light barrier can stop the light of described optoelectronic switch sensor.
Further, the block number of described circular orifice is 11 pieces, its external diameter is 335mm, and the diameter of bore that the endoporus center of circle is the described circular orifice center of circle is respectively 0mm, 50mm, 60mm, 80mm, 100mm, 120mm, 140mm, 160mm, 180mm, 200mm and 220mm.
Described frame is installed with the first limit switch, the second limit switch; Described first support is installed with a gag lever post, described gag lever post is provided with switch triggering mechanism, described first reducing motor to rotate with different directions and acquire a certain degree or revolution time, described switch triggering mechanism moves to certain position, described first limit switch and the second limit switch can be triggered respectively, make them be in different conditions respectively.
Further, described first limit switch and described second limit switch are normally closed microswitch.
Further, described first limit switch and described 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 first reducing motor is connected with described first reducing motor driver module, described second reducing motor is connected with described second reducing motor driver module, and described first limit switch, described second limit switch, described optoelectronic switch sensor are connected with described main control module respectively.Described main control module is previously provided with various working routine.
The technical scheme that technical solution problem of the present invention adopts also comprises, and that certainly moves orifice fitting changes hole method, it is characterized in that, comprises the following steps:
Step one: initializes equipment;
Step 2: detect indices in current circular orifice situation and after completing;
Step 3: the first reducing motor driver module described in described main control module instruction makes described first reducing motor rotate;
Step 4: whether described master control module judges first limit switch disconnects or be in the light, and enters step 5 in this way, returns step 3 as no;
Step 5: the first reducing motor driver module described in described main control module instruction makes described first reducing motor stop operating;
Step 6: the second reducing motor driver module described in described main control module instruction stops operating after making described second reducing motor rotate certain revolution; The number of degrees that described certain revolution correspondence makes described orifice plate dish rotate are 360 degree of business divided by the block number of circular orifice;
Step 7: the first reducing motor driver module described in described main control module instruction makes described first reducing motor reversing;
Step 8: described in described master control module judges, whether the second limit switch disconnects or be in the light, and enters step 9 in this way, returns step 7 as no;
Step 9: the first reducing motor driver module described in described main control module instruction makes described first reducing motor stop reversing;
Step 10: whether terminate, be, shut down; Otherwise return step 2.
Initializes equipment described in above-mentioned steps one, comprises the following steps:
Step one: start;
Step 2: described in described master control module judges, whether the first limit switch disconnects or be in the light, enter step 4 in this way, as described in main control module instruction as described in no 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: the first reducing motor driver module described in described main control module instruction makes described first reducing motor stop operating;
Step 4: described in described master control module judges, whether optoelectronic switch sensor is in the light, enter step 6 in this way, 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: the second reducing motor driver module described in described main control module instruction makes described second reducing motor stop operating;
Step 6: the first reducing motor driver module described in described main control module instruction makes described first reducing motor reversing;
Step 7: described in described master control module judges, whether the second limit switch disconnects or be in the light, and enters step 8 in this way, returns step 6 as no;
Step 8: the first reducing motor driver module described in described main control module instruction makes described 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 and described above certainly move orifice fitting.
Principle of work of the present invention is, during preliminary examination, after start, whether described master control module judges first limit switch disconnects or is in the light, enter step 4 in this way, as described in main control module instruction as described in no 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, when described orifice plate dish rotates, to there will not be the situation that described circular orifice and described decompression cylinder end bump against.Described in step 4, described in master control module judges, whether optoelectronic switch sensor is in the light, enter step 6 in this way, as no this step of circulation until as described in optoelectronic switch sensor make when being in the light as described in the second reducing motor stop operating, its objective is and make diameter of bore be that first test under the circular orifice state of 0 is carried out, when machine detects, the object that described in step 6, the second reducing motor stops operating after rotating certain revolution is the circular orifice making to switch to next time the position nearest compared with the circular orifice of this detection, terminate to the circular orifice of maximum endoporus from the circular orifice of minimum endoporus to make whole testing process.
Test and carry out meeting under the environmental baseline that in the appendix C of GB/T17713-2011, exhausting type kitchen hood air method for testing performance specifies, tested lampblack absorber air outlet is connected with described guide duct, and tested range hood is electrically connected with described test unit, start also initialization, and start the maximum gear of lampblack absorber, it is every data target after completing in the circular orifice situation of 0 that operating personnel detect current diameter of bore by detection system, click next step, described first reducing motor is rotated first reducing motor driver module described in described main control module instruction until described first limit switch disconnects or is in the light, described first limit switch disconnect or the information transmission that is in the light to described main control module, first reducing motor driver module described in described main control module instruction makes described first reducing motor stop operating, stop operating after described in instruction simultaneously, the second reducing motor driver module makes described second reducing motor rotate certain revolution, the number of degrees that the corresponding described orifice plate dish of described certain revolution rotates equal 360 degree of business divided by the block number of circular orifice, and then the first reducing motor driver module described in described main control module instruction makes described first reducing motor reversing disconnect to the second limit switch or stop operating after being in the light, now current circular orifice is by being pasted onto annular soft pad sheet on the fixed orifice of described decompression cylinder end in advance and described fixed orifice is close to, operating personnel can detect every data target in the little circular orifice situation of current diameter of bore second, circulation like this, until every data target detects complete and draws total testing result in all circular orifice situations, terminate rear shutdown.
The invention has the beneficial effects as follows, above-mentioned from moving orifice fitting and method and having the exhausting type range hood air performance test apparatus of this device owing to adopting, make the robotization more of range hood air performance test, and make test can one man operation, thus 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 section figure.
Fig. 6 is the embodiment of the present invention 2 structural representation (orifice plate does not cover fixed orifice).
Fig. 7 is the embodiment of the present invention 2 structural representation (orifice plate covers fixed orifice).
Fig. 8 is that the embodiment of the present invention changes hole method flow schematic diagram.
Fig. 9 is that the embodiment of the present invention is from moving orifice fitting initialize flow schematic diagram.
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, second limit switch, 11, first limit switch, 12, switch triggering mechanism, 13, feed screw nut, 14, roller, 15, first base, 16, gear train, 17, first support, 18, rotating shaft, 19, second support, 20, guide rail, 21, first reducing motor, 22, erecting bed A, 23, screw mandrel, 24, 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, first reducing motor 21, 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 second reducing motor 24 is in transmission connection by gear train 16 and described rotating shaft 18, described rotating shaft 18 passes perpendicularly through described orifice plate dish 7 and is fixedly connected with its centre, described rotating shaft 18 is fixedly connected on bearing on the first support 17 and the second support 19 and described first support 17 and described second support 19 respectively by least two and is rotatably connected, radome fairing 1, the diffusion barrel 5 be fixedly connected with described radome fairing 1, the decompression cylinder 6 be fixedly connected with described diffusion barrel 5 is all fixedly installed in frame 9, an erecting frame 28 is fixedly connected with above described decompression cylinder 6 end, 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 vertical with described groove guide rails 20 to be fixedly connected on ground, described first support 17 is fixedly connected with the first base 15, described first base 15 is connected with the described guide rail 20 of described groove side is removable by the some rollers 14 being fixedly connected on its bottom surface, and described second support 19 is connected with the guide rail 20 of described groove opposite side is removable by the some rollers 14 bottom it.Described second reducing motor 24 is fixedly connected with described first base 15 or is fixedly connected with the erecting bed A22 being fixedly connected on described first base 15, and described frame 9 is fixedly connected with ground.Described first reducing motor 21 is fixedly connected with ground or is fixedly connected with the erecting bed B being fixedly connected on ground, and its output shaft is coaxially fixedly connected with screw mandrel 23, and the supporting feed screw nut 13 be connected is fixedly connected with described first support 17 with described screw mandrel 23.
In the embodiment of the present invention 2, described first support 17 is fixedly connected with ground in described groove both sides respectively with described second support 19, be provided with some rollers 14 bottom described frame 9, described roller 14 is connected with two guide rails 20 be fixedly connected with perpendicular to described groove and with ground are removable.Described second reducing motor 24 is fixedly connected with ground or is fixedly connected with the erecting bed A22 being fixedly connected on ground, described first reducing motor 21 is fixedly connected with ground or is fixedly connected with the erecting bed B being fixedly connected on ground, its output shaft is coaxially fixedly connected with screw mandrel 23, and the supporting feed screw nut 13 be connected is fixedly connected with described frame 9 with described screw mandrel 23.
In described first base 15 side, described orifice plate dish 7 is fixedly connected with some pieces of circular orifices 26, some pieces of 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 pieces of described circular orifices 26 the diameter of endoporus different, some pieces of described circular orifices 26 arrange from small to large clockwise or counterclockwise according to the size in aperture, all equal to the distance of the central shaft of described rotating shaft 18 from each described circular orifice 26 center of circle, and distance between the center of circle of adjacent described circular orifice 26 is all equal, described orifice plate dish 7 has the circular hole of the endoporus of the described circular orifice 26 being at least not less than the maximum endoporus of tool in the corresponding position of some described circular orifice 26 endoporus, be not blocked to make described endoporus, do not affect the value of test.Described in topmost, circular orifice 26 is when it is in most significant digit, namely pass through the center of circle of this circular orifice 26 vertical with described ground with the plane of the central axis of described rotating shaft 18 time, this circular orifice 26 aims at the fixed orifice 30 of described decompression cylinder 6 end.Described orifice plate dish 7 is that one end of circular orifice 26 corresponding position of 0mm fixedly mounts a light barrier 29 in diameter of bore.Described orifice plate dish 7 turn to make diameter of bore be the described circular orifice 26 of 0mm be positioned at the top time, described light barrier 29 can stop the light of described optoelectronic switch sensor 27.
Further, the block number of described circular orifice 26 is 11 pieces, its external diameter is 335mm, and the diameter of bore that the endoporus center of circle is described circular orifice 26 center of circle is respectively 0mm, 50mm, 60mm, 80mm, 100mm, 120mm, 140mm, 160mm, 180mm, 200mm and 220mm.
Described frame 9 is installed with the first limit switch 11, second limit switch 10; Described first support 17 is installed with a gag lever post, described gag lever post is provided with switch triggering mechanism 12, described first reducing motor 21 to rotate with different directions and acquire a certain degree or revolution time, described switch triggering mechanism 12 moves to certain position, described first limit switch 11 and the second limit switch 10 can be triggered respectively, make them be in different conditions respectively.
Further, described first limit switch 11 and described second limit switch 10 are normally closed microswitch.
Further, described first limit switch 11 and described 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 first reducing motor 21 is connected with described first reducing motor driver module, described second reducing motor 24 is connected with described second reducing motor driver module, and described first limit switch 11, described second limit switch 10, described optoelectronic switch sensor 27 are connected with described main control module respectively.Described main control module is previously provided with various working routine.
The technical scheme that technical solution problem of the present invention adopts also comprises, and that certainly moves orifice fitting changes hole method, it is characterized in that, comprises the following steps:
Step one: initializes equipment;
Step 2: detect indices in current circular orifice 26 situation and after completing;
Step 3: the first reducing motor driver module described in described main control module instruction makes described first reducing motor 21 rotate;
Step 4: described in described master control module judges, whether the first limit switch 11 disconnects or be in the light, and enters step 5 in this way, returns step 3 as no;
Step 5: the first reducing motor driver module described in described main control module instruction makes described first reducing motor 21 stop operating;
Step 6: the second reducing motor driver module described in described main control module instruction stops operating after making described second reducing motor 24 rotate certain revolution; The number of degrees that described certain revolution correspondence makes described orifice plate dish 7 rotate are 360 degree of business divided by the block number of circular orifice 26;
Step 7: the first reducing motor driver module described in described main control module instruction makes described first reducing motor 21 reverse;
Step 8: described in described master control module judges, whether the second limit switch 10 disconnects or be in the light, and enters step 9 in this way, returns step 7 as no;
Step 9: the first reducing motor driver module described in described main control module instruction makes described first reducing motor 21 stop reversing;
Step 10: whether terminate, be, shut down; Otherwise return step 2.
Initializes equipment described in above-mentioned steps one, comprises the following steps:
Step one: start;
Step 2: described in described master control module judges, whether the first limit switch 11 disconnects or be in the light, enter step 4 in this way, as described in main control module instruction as described in no 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: the first reducing motor driver module described in described main control module instruction makes described first reducing motor 21 stop operating;
Step 4: described in described master control module judges, whether optoelectronic switch sensor 27 is in the light, enter step 6 in this way, 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: the second reducing motor driver module described in described main control module instruction makes described second reducing motor 24 stop operating;
Step 6: the first reducing motor driver module described in described main control module instruction makes described first reducing motor 21 reverse;
Step 7: described in described master control module judges, whether the second limit switch 10 disconnects or be in the light, and enters step 8 in this way, returns step 6 as no;
Step 8: the first reducing motor driver module described in described main control module instruction makes described 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 and described above certainly move orifice fitting.
Principle of work of the present invention is, during preliminary examination, after start, whether described master control module judges first limit switch 11 disconnects or is in the light, enter step 4 in this way, as described in main control module instruction as described in no 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 when described orifice plate dish 7 rotates, there will not be the situation that described circular orifice 26 bumps against with described decompression cylinder 6 end.Described in step 4, described in master control module judges, whether optoelectronic switch sensor 27 is in the light, enter step 6 in this way, as no this step of circulation until as described in optoelectronic switch sensor 27 make when being in the light as described in the second reducing motor stop operating, its objective is and make diameter of bore be that first test under circular orifice 26 state of 0 is carried out
When machine detects, the object stopped operating after the second reducing motor 24 rotates certain revolution described in step 6 is the circular orifice 26 making to switch to next time the position nearest compared with the circular orifice 26 of this detection, terminates to make the circular orifice 26 of whole testing process to maximum endoporus from the circular orifice 26 of minimum endoporus.
Test and carry out meeting under the environmental baseline that in the appendix C of GB/T17713-2011, exhausting type kitchen hood air method for testing performance specifies, 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 also initialization, and start the maximum gear of range hood, it is every data target after completing in circular orifice 26 situation of 0 that operating personnel detect current diameter of bore by detection system, click next step, described first reducing motor 21 is rotated first reducing motor driver module described in described main control module instruction until described first limit switch 11 disconnects or is in the light, described first limit switch 11 disconnect or the information transmission that is in the light to described main control module, first reducing motor driver module described in described main control module instruction makes described first reducing motor 21 stop operating, stop operating after described in instruction simultaneously, the second reducing motor driver module makes described second reducing motor 24 rotate certain revolution, the number of degrees that the corresponding described orifice plate dish 7 of described certain revolution rotates equal 360 degree of business divided by the block number of circular orifice 26, and then the first reducing motor driver module described in described main control module instruction makes described first reducing motor 21 reverse to disconnect to the second limit switch 10 or stops operating after being in the light, now current circular orifice 26 is by being pasted onto annular soft pad sheet on the fixed orifice 30 of described decompression cylinder 6 end in advance and described fixed orifice 30 is close to, operating personnel can detect every data target in little circular orifice 26 situation of current diameter of bore second, circulation like this, until every data target detects complete and draws total testing result in all circular orifice 26 situations, terminate rear shutdown.
Claims (6)
1. from moving orifice fitting, comprise control device (3), first reducing motor (21), 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 second reducing motor (24) is in transmission connection by gear train (16) and described rotating shaft (18), described rotating shaft (18) passes perpendicularly through described orifice plate dish (7) and is fixedly connected with its centre, described rotating shaft (18) is fixedly connected on bearing on the first support (17) and the second support (19) and described first support (17) and described second support (19) respectively by least two and is rotatably connected, radome fairing (1), the diffusion barrel (5) be fixedly connected with described radome fairing (1), the decompression cylinder (6) be fixedly connected with described diffusion barrel (5) is all fixedly installed in frame (9), an erecting frame (28) is fixedly connected with above described decompression cylinder (6) end, 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 vertical with described groove guide rails (20) to be fixedly connected on ground, described first support (17) is fixedly connected with the first base (15), described first base (15) is connected by the guide rail (20) of the some rollers (14) with described groove side that are fixedly connected on its bottom surface is removable, described second support (19) is connected with the guide rail (20) of described groove opposite side is removable by the some rollers (14) bottom it, described second reducing motor (24) be fixedly connected with described first base (15) or with the erecting bed A(22 being fixedly connected on described first base (15)) be fixedly connected with, described frame (9) is fixedly connected with ground, described first reducing motor (21) is fixedly connected with ground or is fixedly connected with the erecting bed B being fixedly connected on ground, its output shaft is coaxially fixedly connected with screw mandrel (23), and the supporting feed screw nut (13) be connected is fixedly connected with described first support (17) with described screw mandrel (23), described frame (9) is installed with the first limit switch (11), the second limit switch (10), described first support (17) is installed with a gag lever post, described gag lever post is provided with switch triggering mechanism (12), described first reducing motor (21) to rotate with different directions and acquire a certain degree or revolution time, described switch triggering mechanism (12) moves to certain position, described first limit switch (11) and the second limit switch (10) can be triggered respectively, make them be in different conditions respectively, described control device (3) at least comprises main control module, the first reducing motor driver module, the second reducing motor driver module, described first reducing motor (21) is connected with described first reducing motor driver module, described second reducing motor (24) is connected with described second reducing motor driver module, described first limit switch (11), described second limit switch (10), described optoelectronic switch sensor (27) are connected with described main control module respectively, and described main control module is previously provided with various working routine, in described first base (15) side, described orifice plate dish (7) is fixedly connected with some pieces of circular orifices (26), some pieces of 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, the diameter of the endoporus of some pieces of described circular orifices (26) is different, some pieces of described circular orifices (26) arrange from small to large clockwise or counterclockwise according to the size in aperture, all equal to the distance of the central shaft of described rotating shaft (18) from each described circular orifice (26) center of circle, and distance between the center of circle of adjacent described circular orifice (26) is all equal, described orifice plate dish (7) has the circular hole of the endoporus of the described circular orifice (26) being at least not less than the maximum endoporus of tool in the corresponding position of some described circular orifice (26) endoporus, be not blocked to make described endoporus, do not affect the value of test, circular orifice described in topmost (26) is when it is in most significant digit, namely pass through the center of circle of this circular orifice (26) vertical with described ground with the plane of the central axis of described rotating shaft (18) time, this circular orifice (26) aims at the fixed orifice (30) of described decompression cylinder (6) end, described orifice plate dish (7) is that one end of circular orifice (26) corresponding position of 0mm fixedly mounts a light barrier (29) in diameter of bore, described orifice plate dish (7) turn to make diameter of bore be the described circular orifice (26) of 0mm be positioned at the top time, described light barrier (29) can stop the light of described optoelectronic switch sensor (27).
2. from moving orifice fitting, comprise control device (3), first reducing motor (21), 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 second reducing motor (24) is in transmission connection by gear train (16) and described rotating shaft (18), described rotating shaft (18) passes perpendicularly through described orifice plate dish (7) and is fixedly connected with its centre, described rotating shaft (18) is fixedly connected on bearing on the first support (17) and the second support (19) and described first support (17) and described second support (19) respectively by least two and is rotatably connected, radome fairing (1), the diffusion barrel (5) be fixedly connected with described radome fairing (1), the decompression cylinder (6) be fixedly connected with described diffusion barrel (5) is all fixedly installed in described frame (9), an erecting frame (28) is fixedly connected with above described decompression cylinder (6) end, 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 first support (17) is fixedly connected with ground in described groove both sides respectively with described second support (19), described frame (9) bottom is provided with some rollers (14), described roller (14) is connected with two guide rails (20) be fixedly connected with perpendicular to described groove and with ground are removable, described second reducing motor (24) be fixedly connected with ground or with the erecting bed A(22 being fixedly connected on ground) be fixedly connected with, described first reducing motor (21) is fixedly connected with ground or is fixedly connected with the erecting bed B being fixedly connected on ground, its output shaft is coaxially fixedly connected with screw mandrel (23), and the supporting feed screw nut (13) be connected is fixedly connected with described frame (9) with described screw mandrel (23), described frame (9) is installed with the first limit switch (11), the second limit switch (10), described first support (17) is installed with a gag lever post, described gag lever post is provided with switch triggering mechanism (12), described first reducing motor (21) to rotate with different directions and acquire a certain degree or revolution time, described switch triggering mechanism (12) moves to certain position, described first limit switch (11) and the second limit switch (10) can be triggered respectively, make them be in different conditions respectively, described control device (3) at least comprises main control module, the first reducing motor driver module, the second reducing motor driver module, described first reducing motor (21) is connected with described first reducing motor driver module, described second reducing motor (24) is connected with described second reducing motor driver module, described first limit switch (11), described second limit switch (10), described optoelectronic switch sensor (27) are connected with described main control module respectively, and described main control module is previously provided with various working routine, in described first base (15) side, described orifice plate dish (7) is fixedly connected with some pieces of circular orifices (26), some pieces of 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, the diameter of the endoporus of some pieces of described circular orifices (26) is different, some pieces of described circular orifices (26) arrange from small to large clockwise or counterclockwise according to the size in aperture, all equal to the distance of the central shaft of described rotating shaft (18) from each described circular orifice (26) center of circle, and distance between the center of circle of adjacent described circular orifice (26) is all equal, described orifice plate dish (7) has the circular hole of the endoporus of the described circular orifice (26) being at least not less than the maximum endoporus of tool in the corresponding position of some described circular orifice (26) endoporus, be not blocked to make described endoporus, do not affect the value of test, circular orifice described in topmost (26) is when it is in most significant digit, namely pass through the center of circle of this circular orifice (26) vertical with described ground with the plane of the central axis of described rotating shaft (18) time, this circular orifice (26) aims at the fixed orifice (30) of described decompression cylinder (6) end, described orifice plate dish (7) is that one end of circular orifice (26) corresponding position of 0mm fixedly mounts a light barrier (29) in diameter of bore, described orifice plate dish (7) turn to make diameter of bore be the described circular orifice (26) of 0mm be positioned at the top time, 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 block number of described circular orifice (26) is 11 pieces, its external diameter is 335mm, and the diameter of bore that the endoporus center of circle is described circular orifice (26) center of circle is respectively 0mm, 50mm, 60mm, 80mm, 100mm, 120mm, 140mm, 160mm, 180mm, 200mm and 220mm.
4. according to claim 1 and 2 from moving orifice fitting, it is characterized in that: described first limit switch (11) and described 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 first limit switch (11) and described second limit switch (10) are optoelectronic switch, described switch triggering mechanism (12) is light-baffling device.
6. 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 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103852339A CN103852339A (en) | 2014-06-11 |
| CN103852339B true CN103852339B (en) | 2016-04-06 |
Family
ID=50860257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103852339B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781172A (en) * | 2018-12-10 | 2019-05-21 | 广东恒鑫智能装备股份有限公司 | A kind of wind speed and pressure detection machine |
| CN110361059B (en) * | 2019-07-03 | 2021-05-18 | 中国计量大学 | Automatic loading device for air quantity detection pore plate of range hood |
| CN114397083A (en) * | 2021-12-15 | 2022-04-26 | 宁波方太厨具有限公司 | Method and device for testing air performance of external-discharge type range hood |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2588244Y (en) * | 2002-12-04 | 2003-11-26 | 杭州德意电气有限公司 | Maintenance free fume exhauster |
| KR101046945B1 (en) * | 2008-12-26 | 2011-07-06 | 엔엔사이언스주식회사 | Cord flexure tester |
| CN201373484Y (en) * | 2009-01-15 | 2009-12-30 | 美的集团有限公司 | Fume exhaust fan |
| CN202024791U (en) * | 2010-12-30 | 2011-11-02 | 武汉计算机外部设备研究所 | Device for testing air quantity of range hoods |
-
2014
- 2014-03-27 CN CN201410118904.4A patent/CN103852339B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103852339A (en) | 2014-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103822674B (en) | Range hood air performance test apparatus and certainly move orifice fitting and method | |
| CN203941232U (en) | A kind of atomizer resistance on-line measuring device | |
| CN103852339B (en) | From moving orifice fitting and method and having the exhausting type range hood air performance test apparatus of this device | |
| CN103698094A (en) | Multistation workpiece tightness detection device | |
| CN104132800B (en) | Rotary table mechanism of high positioning accuracy multi-station CCD detection machine | |
| CN208795192U (en) | Concentricity detection system | |
| CN104089748A (en) | Constant-pressure detection testing machine for air pressure of braking hose | |
| CN104534999A (en) | Device and method for detecting length of needle valves | |
| CN210862449U (en) | Nut sample thread detection device | |
| CN102865971A (en) | Ceramic sanitary appliance detection system | |
| CN105021321A (en) | Large caliber heat meter test bed capable of checking multiple meters | |
| CN203643104U (en) | Multi work station workpiece sealing detection device | |
| CN204789385U (en) | High -speed check out test set of glass defect | |
| CN111256995A (en) | Evaluation device for damage degree of motor rolling bearing | |
| CN205656297U (en) | A device of plugging into automatically for electric energy meter verification | |
| CN206450435U (en) | A kind of drilling rig inspection testing stand | |
| CN204128568U (en) | A kind of ATE (automatic test equipment) | |
| CN202631370U (en) | Metal pipe bending tester | |
| CN203400936U (en) | Verifier for rapid guide and guard assembling and centering operations of general finishing mill | |
| CN206430702U (en) | The optical measurement device in gap | |
| CN220154287U (en) | Electronic component processing outward appearance detects platform | |
| CN204790173U (en) | Full -automatic operation microscope | |
| CN207248037U (en) | A kind of pipe part testing agency with end flange | |
| CN205317543U (en) | Platform device for environmental protection inspection | |
| CN204397903U (en) | A kind of manipulator for clamping needle-valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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 |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20180327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |