CN104075781B - Liquid storage pot liquid level sensor performance test board - Google Patents
Liquid storage pot liquid level sensor performance test board Download PDFInfo
- Publication number
- CN104075781B CN104075781B CN201410343006.9A CN201410343006A CN104075781B CN 104075781 B CN104075781 B CN 104075781B CN 201410343006 A CN201410343006 A CN 201410343006A CN 104075781 B CN104075781 B CN 104075781B
- Authority
- CN
- China
- Prior art keywords
- liquid level
- level sensor
- eccentric
- magnet
- movable pulley
- 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.)
- Active
Links
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention provides a liquid storage pot liquid level sensor performance test board and belongs to the technical field of automobile part sensor performance test. The liquid storage pot liquid level sensor performance test board comprises a bottom plate, a liquid level sensor, a magnet moving structure, a motor structure, an eccentric wheel structure, a link rod transport structure, a marking air cylinder and a control cabinet, wherein the eccentric wheel structure comprises an eccentric wheel, an eccentric shaft and adjusting screws; the control cabinet comprises a programmable logic controller (PLC) and a liquid level sensor switch; a motor rotates to drive the eccentric wheel structure to simulate the change of the liquid level; the eccentric distance (S) of the eccentric shaft can be adjusted to 2-6 mm through the adjusting screws; a motor shaft rotates to drive the eccentric wheel to rotate, so as to enable the eccentric shaft to drive a connecting rod and a magnet to move front and back and enable the liquid level sensor to perform on-off action; the switching signal of the liquid level sensor is collected through the programmable logic controller (PLC) and whether the performance of the liquid level sensor is qualified or not is judged, if qualified, a color point is made by the marking air cylinder to indicate that the performance of the liquid level sensor is detected to be qualified. The liquid storage pot liquid level sensor performance test board has the benefits as follows: the working efficiency is improved, the misjudgment is eliminated, and material mixing is prevented.
Description
Technical field
The present invention is a kind of sensor performance testboard, and more particularly to a kind of liquid storage kettle liquid level sensor is performance test bed,
Belong to automobile component sensor performance technical field of measurement and test.
Background technology
The method that generally performance test of automobile liquid storage kettle liquid level sensor is adopted is：Liquid storage kettle plus liquid to MIN lines when,
Liquid level sensor wire connects bulb insertion liquid level sensor, and testing the low liquid level of liquid level sensor should turn on warning performance, lamp
The bright then performance of big gun is qualified；Afterwards liquid level be added on MIN lines 1-5mm apart from when, same liquid level sensor wire connects bulb, inserts
Enter liquid level sensor test；The high level of liquid level sensor disconnects performance, and bulb does not work then qualified.There is shortcoming：Need artificial
Insertion liquid storage kettle, the liquid measure of liquid storage kettle need to be added and subtracted manually, artificial to judge, inefficiency, it may appear that visual fatigue produces erroneous judgement.
The content of the invention
The purpose of the present invention is that in the prior art for above-mentioned automobile liquid storage kettle liquid level sensor performance test, existing needs
Liquid storage kettle is manually inserted, the liquid measure of liquid storage kettle need to be added and subtracted manually, artificial to judge, work efficiency is not high, and visual fatigue occurs
The defect of erroneous judgement, there is provided a kind of liquid storage kettle liquid level sensor is performance test bed, can reach need not manually insert liquid storage kettle,
The liquid measure of liquid storage kettle is not required to artificial plus-minus, and artificial to judge, high working efficiency is not in the purpose of visual fatigue generation erroneous judgement.
To achieve these goals the present invention is adopted the technical scheme that：A kind of liquid storage kettle liquid level sensor performance test
Platform, including base plate and liquid level sensor structure, the liquid level sensor structure includes liquid level sensor, sensor conductor, described
Sensor conductor is connected with liquid level sensor outer end；
The testboard also includes Magnet moving structure, electric machine structure, eccentric wheel structure, link rod transfer structure, active company
Binding structure and switch board；
The liquid level sensor structure also includes sensor fixed seat, and the sensor fixed seat is fixedly installed on base plate
On, the liquid level sensor is plugged in sensor fixed seat；
The Magnet moving structure includes guide pillar fixed seat, guide pillar, guide pin bushing, slide block, Magnet mounting post, Magnet；It is described to lead
Post fixed seat is arranged on base plate, sensor fixed seat side, and the guide pillar is fixedly installed in guide pillar fixed seat, the guide pin bushing
It is socketed on guide pillar, guide pin bushing is slidably connected with guide pillar, the slide block lower end is fixedly connected with guide pin bushing, upper end of slide block is installed with Magnet
Post is fixedly connected；The Magnet is cuboid thin slice, and a length of 10-12mm, a width of 5-6mm, thickness are 2-3mm, and Magnet is horizontal
It is fixedly installed on Magnet mounting post front end center position；
The link rod transfer structure includes rear movable pulley and link rod, and the rear movable pulley front end is fixed with link rod rear end and connected
Connect, link rod front end is connected with Magnet mounting post rear end by active attachment structure；
The eccentric wheel structure includes shaft coupling, eccentric, camshaft, left and right block, regulating block, left and right regulation spiral shell
Nail and rule；The electric machine structure includes motor and motor fixing seat；Described shaft coupling one end is connected with the motor shaft of motor,
The other end of shaft coupling is fixedly connected with eccentric；Left and right block is arranged on eccentric both sides, left and right block by screw A with
Eccentric is fixedly connected；The regulating block be arranged on eccentric middle part, the left and right adjusting screw be laterally located in respectively a left side,
Right block middle part, left and right adjusting screw respectively with left and right block to be threadedly coupled, the front end of left and right adjusting screw respectively against
The arranged on left and right sides of regulating block；Described camshaft one end is fixedly connected with regulating block, and the camshaft other end is moved after being located in
In the centre bore of wheel and the centre bore of rear movable pulley rotates connection；The rule is arranged on the upper and lower part of eccentric, scale
The left and right scale of chi is respectively 6mm；
The motor fixing seat is fixedly installed on base plate, the shaft coupling back lower place, and the motor is fixedly installed on motor and consolidates
In reservation, shaft coupling rear；
Each centrage of the Magnet, Magnet mounting post, link rod and rear movable pulley on same straight line, the straight line with
The central axis of camshaft；The centrage of eccentric and shaft coupling on same straight line, in eccentric and shaft coupling
Heart line is parallel to each other with the centrage of camshaft；
The switch board includes the switch of programmable logic controller (PLC) (PLC) and liquid level sensor, and switch board is arranged on bottom
Plate side；The switch of the liquid level sensor is electrically connected with liquid level sensor, the programmable logic controller (PLC) (PLC) and liquid level
The switch electrical connection of sensor；
The regulating block and camshaft can be by left and right adjusting screws between left and right block, the graduated model of mark
Enclose interior transverse shifting, produce the eccentric throw (S) of camshaft；It is eccentric when regulating block and camshaft are to the left or when right side is moved
The eccentric throw of wheel shaft will increase and can be fixed on 1 fixed position corresponding with rule scale 2-6mm.
When the eccentric throw (S) of camshaft is transferred to a fixed value of 2-6mm and starts motor, motor shaft rotation, shaft coupling
Device is rotated, and while band movable eccentric wheel is rotated, movable pulley is moved before and after being made with the distance of eccentric throw (S) twice after eccentric drive
It is dynamic, and by link rod and active attachment structure with movable slider, Magnet mounting post and Magnet equally with the distance of eccentric throw (S) twice
Move forward and backward；Magnet causes liquid level sensor to carry out switch motion, FPGA control with the distance change of liquid level sensor
Device (PLC) processed gathers the switching signal of liquid level sensor, judges whether the performance of liquid level sensor is qualified.
The a length of 11mm of the Magnet, a width of 5.5mm, thickness is 2.5mm, is made by ferrite permanent magnet alloys.
The size of the eccentric throw (S) of the camshaft is transferred to 2,3,4,5 or 6mm.
The active attachment structure includes left and right side plate, front movable pulley, rotating shaft and union joint；The left and right side front edge of board
It is fixedly connected with Magnet mounting post rear end；The two ends of the rotating shaft are located on left and right side plate, and rotate connection, in rotating shaft
Portion is fastened between left and right side plate with diameter greater than two ends diameter in the middle part of rotating shaft；The front movable pulley is arranged on left and right side plate
Between, the centre bore of front movable pulley is set in the middle part of rotating shaft and rotates connection；The union joint is arranged on front movable pulley with connection
Between bar, the front end of union joint is fixedly connected with front movable pulley rear end, and the rear end of union joint is fixedly connected with link rod front end.
Also include marking system, the marking system includes cylinder fixed seat, mark cylinder, marking pen guide pillar and mark
Pen, marking pen fixed plate；The marking system is arranged on liquid level sensor structure left side, and the cylinder fixed seat is integrated knot
Structure, sensor fixed seat left side is arranged on, cylinder fixed seat includes fixed base plate and perpendicular side plate, and the fixed base plate is fixed and set
Put on base, the mark cylinder is fixedly installed on perpendicular side plate side, and it is another that the marking pen guide pillar is arranged on perpendicular side plate
Side, described marking pen fixed plate one end is connected with marking pen guide pillar, and marking pen guide pillar one end is fixedly connected with marking pen.When can
When programmed logic controller (PLC) judges that the performance of liquid level sensor is qualified, mark cylinder action, marking pen is in liquid level sensor
It is upper to make a call to a color dot, indicate and detect qualified.
Working mechanism：The change that eccentric wheel structure simulates liquid level is rotarily driven using motor；The regulating block of eccentric mechanism
Scale is marked with, it is convenient to adjust level sensor switch motion interval；The size of the eccentric throw (S) of camshaft can be by adjusting
Screw is adjusted；Motor shaft rotarily drives eccentric rotation, and movable pulley, Magnet are moved forward and backward after driving camshaft；Magnet
Cause liquid level sensor to carry out switch motion with the distance change of liquid level sensor, adopted by programmable logic controller (PLC) (PLC)
The switching signal of collection liquid level sensor judges whether the performance of liquid level sensor is qualified.
Compared with prior art, the invention has the beneficial effects as follows：
(1) switch performance of disposable test liquid level sensor, improves 3 to 4 times of work efficiency；
(2) every time test is multiple, it may be verified that the stability of liquid level sensor, judges automatically, eliminates erroneous judgement；
(3) increase mark, prevent batch mixing；
(4) sensor of different shapes only needs more emat sensor fixed seat just, increases the versatility of testboard.
Description of the drawings
Fig. 1 is：Front view of the present invention (not including switch board)；
Fig. 2 is：Top view of the present invention (not including switch board)；
Fig. 3-1 is：The A-A sectional views of Fig. 2；
Fig. 3-2 is：The A portions partial enlarged drawing of Fig. 3-1；
Fig. 4 is：The B-B cutaway view Amplified images of Fig. 2；
Fig. 5-1 is：Active attachment structure front view；
Fig. 5-2 is：Active attachment structure top view；
Fig. 6-1 is：Axonometric chart of the present invention (not including switch board)；
Fig. 6-2 is：Fig. 6-1B portions enlarged drawing；
Fig. 7 is：Switch board schematic diagram (half sectional view below).
Description of reference numerals：Base plate 1, liquid level sensor structure 2, liquid level sensor 201, sensor conductor 202, sensor
Fixed seat 203, Magnet moving structure 3, guide pillar fixed seat 301, guide pillar 302, guide pin bushing 303, slide block 304, Magnet mounting post 305,
Magnet 306, electric machine structure 4, motor 401, motor fixing seat 402, eccentric wheel structure 5, shaft coupling 501, eccentric 502 is eccentric
Wheel shaft 503, left block 504, right block 505, regulating block 506, left adjusting screw 507, right adjusting screw 508, rule 509,
Link rod transfer structure 6, rear movable pulley 601, link rod 602, active attachment structure 7, left plate 701, right plate 702, front movable pulley
703, rotating shaft 704, union joint 705, switch board 8, programmable logic controller (PLC) (PLC) 801, switch 802, marking system 9, cylinder
Fixed seat 901, mark cylinder 902, marking pen guide pillar 903, marking pen 904, marking pen fixed plate 905.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described with specific embodiment, but not as a limitation of the invention.
Embodiment 1：
As shown in Figures 1 to 7, to achieve these goals the present invention is adopted the technical scheme that：A kind of liquid storage kettle liquid level
Sensor performance testboard, including base plate 1, liquid level sensor structure 2, Magnet moving structure 3, electric machine structure 4, eccentric wheel structure
5th, link rod transfer structure 6, active attachment structure 7 and switch board 8；
The liquid level sensor structure 2 includes liquid level sensor 201, sensor conductor 202 and sensor fixed seat 203；
The sensor conductor 202 is connected with the outer end of liquid level sensor 201, and the sensor fixed seat 203 is fixedly installed on base plate 1
On, the liquid level sensor 201 is plugged in sensor fixed seat 203；
The Magnet moving structure 3 includes guide pillar fixed seat 301, guide pillar 302, guide pin bushing 303, slide block 304, Magnet mounting post
305th, Magnet 306；The guide pillar fixed seat 301 is arranged on base plate 1, the side of sensor fixed seat 203, and the guide pillar 302 is consolidated
Surely it is arranged in guide pillar fixed seat 301, the guide pin bushing 303 is socketed on guide pillar 302, guide pin bushing 303 is slidably connected with guide pillar 302,
The lower end of the slide block 304 is fixedly connected with guide pin bushing 303, and the upper end of slide block 304 is fixedly connected with Magnet mounting post 305；The Magnet
306 is cuboid thin slice, and a length of 11mm, width are 5.5mm, and thickness is 2.5mm, are made by ferrite permanent magnet alloys, Magnet
306 are laterally fixedly installed on the front end center position of Magnet mounting post 305；
The link rod transfer structure 6 includes rear movable pulley 601 and link rod 602, the front end of rear movable pulley 601 and link rod
602 rear ends are fixedly connected, and the front end of link rod 601 is connected with the rear end of Magnet mounting post 305 by active attachment structure 7；
The eccentric wheel structure 5 includes shaft coupling 501, eccentric 502, camshaft 503, left block 504, right block
505th, regulating block 506, left adjusting screw 507, right adjusting screw 508 and rule 509；The electric machine structure 4 includes motor 401
With motor fixing seat 402；The one end of the shaft coupling 501 is connected with the motor shaft of motor 401, the other end of shaft coupling 501 with it is inclined
Heart wheel 502 is fixedly connected；Left block 504, right block 505 are arranged on the both sides of eccentric 502, and left block 504, right block 505 lead to
Cross screw A to be fixedly connected with eccentric 502；The regulating block 506 is arranged on the middle part of eccentric 502, the left adjusting screw
507th, right adjusting screw 508 is laterally located in respectively left block 504, the middle part of right block 505, left adjusting screw 507, right regulation spiral shell
Nail 508 respectively with left block 504, right block 505 to be threadedly coupled, divide by left adjusting screw 507, the front end of right adjusting screw 508
Not Jin Kao regulating block 506 arranged on left and right sides；The one end of the camshaft 503 is fixedly connected with regulating block 506, camshaft 503
The other end is located in the centre bore of rear movable pulley 601 and the centre bore of rear movable pulley 601 rotates connection；The rule 509
The upper and lower part of eccentric 502 is arranged on, the left and right scale of rule 509 is respectively 6mm；
The motor fixing seat 402 is fixedly installed on base plate 1, the back lower place of shaft coupling 501, and the motor 401 is fixed and set
Put in motor fixing seat 402, the rear of shaft coupling 501；
Each centrage of the Magnet 306, Magnet mounting post 305, link rod 602 and rear movable pulley 601 is in same straight line
On, the central axis of the above-mentioned straight line and camshaft 503；The centrage of eccentric 502 and shaft coupling 501 is in same
On straight line, the centrage of eccentric 502 and shaft coupling 501 is parallel to each other with the centrage of camshaft 503；
The switch board 8 includes the switch 802 of programmable logic controller (PLC) (PLC) 801 and liquid level sensor, switch board 8
It is arranged on the side of base plate 1；The switch 802 of the liquid level sensor is electrically connected with liquid level sensor 201, the FPGA control
Device (PLC) 801 processed electrically connects with the switch 802 of liquid level sensor；
The regulating block 506 and camshaft 503 can be by left adjusting screw 507, right adjusting screws 508 in left block
504th, between right block 505, indicate transverse shifting in the range of scale, produce eccentric throw S of camshaft；When regulating block 506
With camshaft 503 to the left side shifting when, the eccentric throw of camshaft 503 will increase and can be fixed on and rule scale
The position of 2mm.
When eccentric throw S of camshaft is transferred to the fixed value of 2mm and starts motor 401, motor shaft rotation, shaft coupling
501 rotate, and while band movable eccentric wheel 502 is rotated, movable pulley 601 is made with the distance of eccentric throw S twice after eccentric 502 drives
It is movable, and by link rod 602 and active attachment structure 7 with movable slider 304, Magnet mounting post 305 and Magnet 306 it is same with
The distance of eccentric throw S twice is moved forward and backward；Magnet 306 causes liquid level sensor 201 with the distance change of liquid level sensor 201
Switch motion is carried out, programmable logic controller (PLC) (PLC) 801 gathers the signal of switch 802 of liquid level sensor 201, judges liquid level
Whether the performance of sensor 201 is qualified.
The active attachment structure 7 includes left plate 701, right plate 702, front movable pulley 703, rotating shaft 704 and union joint
705；The left plate 701, the front end of right plate 702 are fixedly connected with the rear end of Magnet mounting post 305；The two ends of the rotating shaft 704
It is located on left plate 701, right plate 702, and rotates connection, the mid diameter of rotating shaft 704 is more than two ends diameter, rotating shaft 704
Middle part be fastened between left plate 701, right plate 702；The front movable pulley 703 is arranged on left plate 701, right plate 702
Between, the centre bore of front movable pulley 703 is set in the middle part of rotating shaft 704 and rotates connection；Before the union joint 705 is arranged on
Between movable pulley 703 and link rod 602, the front end of union joint 705 is fixedly connected with the rear end of front movable pulley 703, after union joint 705
End is fixedly connected with the front end of link rod 602.
Also include marking system 9, the marking system 9 includes cylinder fixed seat 901, mark cylinder 902, marking pen guide pillar
903rd, marking pen 904, marking pen fixed plate 905；The marking system 9 is arranged on the left side of liquid level sensor structure 2, the cylinder
Fixed seat 901 is structure as a whole, is arranged on the left side of sensor fixed seat 203, and cylinder fixed seat 901 is including fixed base plate and vertically
Side plate, the fixed base plate 901 is fixedly installed on base 1, and the mark cylinder 902 is fixedly installed on perpendicular side plate side,
The marking pen guide pillar 905 is arranged on perpendicular side plate opposite side, described one end of marking pen fixed plate 903 and marking pen guide pillar 905
Connection, the one end of marking pen guide pillar 905 is fixedly connected with marking pen 904.
The course of work：In Fig. 4, eccentric throw S of camshaft 503 is transferred at 2mm, startup motor 401, motor shaft rotation,
Shaft coupling 501 is rotated, while band movable eccentric wheel 502 is rotated, before movable pulley 601 is made with the distance of eccentric throw S 4mm after drive
After move, and by link rod 602 and active attachment structure 7 with movable slider 304, Magnet mounting post 305 and Magnet 306 with eccentric throw
The distance of S 4mm is moved forward and backward；Magnet 306 causes liquid level sensor 201 to be opened with the distance change of liquid level sensor 201
Pass action, programmable logic controller (PLC) (PLC) 801 gathers the signal of switch 802 of liquid level sensor 201, judges liquid level sensor
Whether 201 performance is qualified.At this point it is possible to set one end that Magnet mounting post 305 and Magnet 306 moves forward and backward as liquid storage kettle
(not shown) is adding liquid to MIN lines, and the signal of switch 802 of liquid level sensor 201 shows that then performance is qualified, works as Magnet
When mounting post 305 and Magnet 306 move forward and backward the other end, the high level for testing liquid level sensor disconnects performance, and liquid level is passed
The signal of switch 802 of sensor 201 does not show that then performance is qualified.When programmable logic controller (PLC) (PLC) 801 judges level sensing
When the performance of device 201 is qualified, the action of mark cylinder 902, marking pen 904 plays a color dot, sign inspection on liquid level sensor 201
It is qualified to survey.
Embodiment 2：
The course of work：In Fig. 4, eccentric throw S of camshaft should be transferred at 3mm, start motor, motor shaft rotation, shaft coupling
Device is rotated, and band movable eccentric wheel is rotated, and while rotating, movable pulley is with eccentric throw after drive for movable pulley after driving camshaft
The distance of S 6mm is moved forward and backward, and by link rod and active attachment structure band movable slider, Magnet mounting post and Magnet with bias
Distance away from S 6mm is moved forward and backward.
Remaining same embodiment 1.
Embodiment 3：
The course of work：In Fig. 4, eccentric throw S of camshaft 508 should be transferred at 4mm, start motor 401, motor shaft rotation
Turn, shaft coupling 501 is rotated, while band movable eccentric wheel 502 is rotated, movable pulley 601 is made with the distance of eccentric throw S 8mm after drive
It is movable, and by link rod 602 and active attachment structure 7 with movable slider 304, Magnet mounting post 305 and Magnet 306 with bias
Distance away from S 8mm is moved forward and backward.
Remaining same embodiment 1.
Embodiment 4：
The course of work：In Fig. 4, eccentric throw S of camshaft should be transferred at 5mm, start motor 401, motor shaft rotation, connection
Axle device 501 is rotated, while band movable eccentric wheel 502 is rotated, before and after movable pulley 601 is made with the distance of eccentric throw S 10mm after drive
It is mobile, and by link rod 602 and active attachment structure 7 with movable slider 304, Magnet mounting post 305 and Magnet 306 with eccentric throw S
The distance of 10mm is moved forward and backward.
Remaining same embodiment 1.
Embodiment 5：
The course of work：In Fig. 4, eccentric throw S of camshaft should be transferred at 6mm, start motor 401, motor shaft rotation, connection
Axle device 501 is rotated, while band movable eccentric wheel 502 is rotated, before and after movable pulley 601 is made with the distance of eccentric throw S 12mm after drive
It is mobile, and by link rod 602 and active attachment structure 7 with movable slider 304, Magnet mounting post 305 and Magnet 306 with eccentric throw S
The distance of 12mm is moved forward and backward.
Remaining same embodiment 1.
Embodiment described above, simply 5 kinds of the present invention more preferably specific embodiment, those skilled in the art
The usual variations and alternatives carried out in the range of technical solution of the present invention all should be comprising within the scope of the present invention.
Claims (5)
1. a kind of liquid storage kettle liquid level sensor is performance test bed, including base plate and liquid level sensor structure, the liquid level sensor
Structure includes liquid level sensor, sensor conductor, and the sensor conductor is connected with liquid level sensor outer end, and its feature exists
In：
The testboard also includes Magnet moving structure, electric machine structure, eccentric wheel structure, link rod transfer structure, active connection knot
Structure and switch board；
The liquid level sensor structure also includes sensor fixed seat, and the sensor fixed seat is fixedly installed on base plate, institute
State liquid level sensor to be plugged in sensor fixed seat；
The Magnet moving structure includes guide pillar fixed seat, guide pillar, guide pin bushing, slide block, Magnet mounting post, Magnet；The guide pillar is consolidated
Reservation is arranged on base plate, sensor fixed seat side, and the guide pillar is fixedly installed in guide pillar fixed seat, the guide pin bushing socket
On guide pillar, guide pin bushing is slidably connected with guide pillar, and the slide block lower end is fixedly connected with guide pin bushing, and upper end of slide block is consolidated with Magnet mounting post
Fixed connection；The Magnet is cuboid thin slice, and a length of 10-12mm, a width of 5-6mm, thickness are 2-3mm, and Magnet is laterally fixed
It is arranged on Magnet mounting post front end center position；
The link rod transfer structure includes rear movable pulley and link rod, and the rear movable pulley front end is fixedly connected with link rod rear end, joins
Bar front end is connected with Magnet mounting post rear end by active attachment structure；
The eccentric wheel structure include shaft coupling, eccentric, camshaft, left and right block, regulating block, left and right adjusting screw and
Rule；The electric machine structure includes motor and motor fixing seat；
Described shaft coupling one end is connected with the motor shaft of motor, and the other end of shaft coupling is fixedly connected with eccentric；Left and right block
Eccentric both sides are arranged on, left and right block is fixedly connected by screw A with eccentric；The regulating block is arranged in eccentric
Portion, the left and right adjusting screw is laterally located in respectively left and right block middle part, left and right adjusting screw respectively with left and right block
To be threadedly coupled, the arranged on left and right sides of the front end of left and right adjusting screw respectively against regulating block；Described camshaft one end and tune
Locking nub is fixedly connected, and the camshaft other end is located in the centre bore of rear movable pulley and the centre bore of rear movable pulley rotates company
Connect；The rule is arranged on the upper and lower part of eccentric, and the left and right scale of rule is respectively 6mm；
The motor fixing seat is fixedly installed on base plate, the shaft coupling back lower place, and the motor is fixedly installed on motor fixing seat
Upper, shaft coupling rear；
Each centrage of the Magnet, Magnet mounting post, link rod and rear movable pulley on same straight line, the straight line with it is eccentric
The central axis of wheel shaft；The centrage of eccentric and shaft coupling on same straight line, the centrage of eccentric and shaft coupling
It is parallel to each other with the centrage of camshaft；
The switch board includes the switch of programmable logic controller (PLC) (PLC) and liquid level sensor, and switch board is arranged on base plate one
Side；The switch of the liquid level sensor is electrically connected with liquid level sensor, the programmable logic controller (PLC) (PLC) and level sensing
The switch electrical connection of device；
The regulating block and camshaft can by left and right adjusting screw between left and right block, indicate in the range of scale
Transverse shifting, the eccentric throw (S) for producing camshaft；When regulating block and camshaft to the left or right side move when, camshaft
Eccentric throw will increase and can be fixed on 1 fixed position corresponding with rule scale 2-6mm；
When the eccentric throw (S) of camshaft is transferred to a fixed value of 2-6mm and starts motor, motor shaft rotation, shaft coupling turn
Dynamic, while band movable eccentric wheel is rotated, movable pulley is moved forward and backward with the distance of eccentric throw (S) twice after eccentric drives, and
Before equally being made with the distance of eccentric throw (S) twice with movable slider, Magnet mounting post and Magnet by link rod and active attachment structure
After move；Magnet causes liquid level sensor to carry out switch motion, programmable logic controller (PLC) with the distance change of liquid level sensor
(PLC) switching signal of liquid level sensor is gathered, judges whether the performance of liquid level sensor is qualified.
2. a kind of liquid storage kettle liquid level sensor according to claim 1 is performance test bed, it is characterised in that：The Magnet is long
For 11mm, a width of 5.5mm, thickness is 2.5mm, is made by ferrite permanent magnet alloys.
3. a kind of liquid storage kettle liquid level sensor according to claim 1 is performance test bed, it is characterised in that：The eccentric
The size of the eccentric throw (S) of axle is transferred to 2,3,4,5 or 6mm.
4. a kind of liquid storage kettle liquid level sensor according to claim 1 is performance test bed, it is characterised in that：The active company
Binding structure includes left and right side plate, front movable pulley, rotating shaft and union joint；The left and right side front edge of board is consolidated with Magnet mounting post rear end
Fixed connection；The two ends of the rotating shaft are located on left and right side plate, and rotate connection, and the mid diameter of rotating shaft is more than two ends diameter,
It is fastened between left and right side plate in the middle part of rotating shaft；The front movable pulley is arranged between left and right side plate, the center of front movable pulley
Borehole jack is located at the middle part of rotating shaft and rotates connection；The union joint is arranged between front movable pulley and link rod, the front end of union joint
It is fixedly connected with front movable pulley rear end, the rear end of union joint is fixedly connected with link rod front end.
5. a kind of liquid storage kettle liquid level sensor according to claim 1 is performance test bed, it is characterised in that：Also include mark
System, the marking system includes cylinder fixed seat, mark cylinder, marking pen guide pillar and marking pen, marking pen fixed plate；It is described
Marking system is arranged on liquid level sensor structure left side, and the cylinder fixed seat is structure as a whole, is arranged on sensor fixed seat
Left side, cylinder fixed seat includes fixed base plate and perpendicular side plate, and the fixed base plate is fixedly installed on base, the mark gas
Cylinder is fixedly installed on perpendicular side plate side, and the marking pen guide pillar is arranged on perpendicular side plate opposite side, the marking pen fixed plate
One end is connected with marking pen guide pillar, and marking pen guide pillar one end is fixedly connected with marking pen；When programmable logic controller (PLC) (PLC) is sentenced
Determine liquid level sensor performance it is qualified when, mark cylinder action, marking pen make a call on liquid level sensor a color dot, sign detection
It is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343006.9A CN104075781B (en) | 2014-07-09 | 2014-07-09 | Liquid storage pot liquid level sensor performance test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343006.9A CN104075781B (en) | 2014-07-09 | 2014-07-09 | Liquid storage pot liquid level sensor performance test board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075781A CN104075781A (en) | 2014-10-01 |
| CN104075781B true CN104075781B (en) | 2017-05-17 |
Family
ID=51597212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410343006.9A Active CN104075781B (en) | 2014-07-09 | 2014-07-09 | Liquid storage pot liquid level sensor performance test board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104075781B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840078A (en) * | 2015-12-04 | 2017-06-13 | 中国船舶重工集团公司第七研究所 | The output corner detection means and its design and detection method of engine actuator |
| CN106248178A (en) * | 2016-08-30 | 2016-12-21 | 重庆万力联兴实业(集团)有限公司 | Automobile fuel pump oil level electric resistance sensor detection device |
| CN108132184A (en) * | 2018-02-11 | 2018-06-08 | 北京工业大学 | A kind of freely falling body bump test machine |
| CN108732049A (en) * | 2018-03-26 | 2018-11-02 | 东莞市恒宇仪器有限公司 | A kind of tensile fatigue test machine |
| CN108827365B (en) * | 2018-08-14 | 2024-08-20 | 苏州德利而自动化科技有限公司 | Sensor testing device |
| CN109489774B (en) * | 2018-11-13 | 2023-11-03 | 洛阳理工学院 | Quick analog display replacing device for magnetic flap level gauge |
| CN110579264A (en) * | 2019-08-30 | 2019-12-17 | 浙江正泰汽车科技有限公司 | Water level sensor detection system |
| CN112129428A (en) * | 2020-08-05 | 2020-12-25 | 孝感华工高理电子有限公司 | Method and system for automatically testing resistance value and marking of automobile temperature sensor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1508788A1 (en) * | 2003-08-18 | 2005-02-23 | Horiba, Ltd. | Emission flow rate measuring method and apparatus |
| CN201397183Y (en) * | 2008-12-30 | 2010-02-03 | 上海航天设备制造总厂 | Promotion liquid-level converter detection platform |
| CN201575851U (en) * | 2009-12-11 | 2010-09-08 | 安徽省芜湖仪器仪表研究所 | Oil level sensor endurance testing system for vehicles |
| CN101852669A (en) * | 2010-05-18 | 2010-10-06 | 龙泉市创宇汽车空调有限公司 | Leak detection device for auto air condition receiver drier and application method thereof |
| CN203519116U (en) * | 2013-09-18 | 2014-04-02 | 湖北汽车工业学院 | Oil quantity sensor measuring and controlling system based on DSP |
| CN203940912U (en) * | 2014-07-09 | 2014-11-12 | 宁波乔士橡塑有限公司 | A kind of liquid storage kettle liquid level sensor is performance test bed |
-
2014
- 2014-07-09 CN CN201410343006.9A patent/CN104075781B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1508788A1 (en) * | 2003-08-18 | 2005-02-23 | Horiba, Ltd. | Emission flow rate measuring method and apparatus |
| CN201397183Y (en) * | 2008-12-30 | 2010-02-03 | 上海航天设备制造总厂 | Promotion liquid-level converter detection platform |
| CN201575851U (en) * | 2009-12-11 | 2010-09-08 | 安徽省芜湖仪器仪表研究所 | Oil level sensor endurance testing system for vehicles |
| CN101852669A (en) * | 2010-05-18 | 2010-10-06 | 龙泉市创宇汽车空调有限公司 | Leak detection device for auto air condition receiver drier and application method thereof |
| CN203519116U (en) * | 2013-09-18 | 2014-04-02 | 湖北汽车工业学院 | Oil quantity sensor measuring and controlling system based on DSP |
| CN203940912U (en) * | 2014-07-09 | 2014-11-12 | 宁波乔士橡塑有限公司 | A kind of liquid storage kettle liquid level sensor is performance test bed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104075781A (en) | 2014-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104075781B (en) | Liquid storage pot liquid level sensor performance test board | |
| CN203745589U (en) | Multifunctional socket testing machine | |
| CN104483353B (en) | A kind of multichannel oxygen sensor test device and method of testing | |
| CN102252710A (en) | Hall element detection device | |
| CN206832204U (en) | Verticality detector for traffic engineering quality testing | |
| CN111831016B (en) | Steam box and control method thereof | |
| CN205656249U (en) | Pad contact resistance and point contact aging testing device | |
| CN203940912U (en) | A kind of liquid storage kettle liquid level sensor is performance test bed | |
| CN203422096U (en) | Gear detection sensor apparatus for driving test | |
| CN207779504U (en) | A kind of evaporation amount detecting device | |
| CN209485572U (en) | A kind of fire protection heat detector function test device | |
| CN205940368U (en) | Device for connecting detect line length and function simultaneously | |
| CN202083410U (en) | Detecting device for Hall element | |
| CN207557313U (en) | FCT testers | |
| CN202013171U (en) | Device for detecting verticality of pin boss and pinhole | |
| CN209117134U (en) | A kind of easy water-level float detection device | |
| CN205374173U (en) | Pulling -force testing machine | |
| CN102707229A (en) | Function test equipment for dimming motor | |
| CN207516407U (en) | A kind of board detects special mould clamp | |
| CN201291403Y (en) | Glass edge grinding machine capable of displaying glass ambulation dynamic state position | |
| CN207134703U (en) | A kind of contact of breaker insertion depth detection means | |
| CN206365949U (en) | A kind of tooth detection means | |
| CN209673365U (en) | A kind of electric wind, which is blown, turns around life test machine | |
| CN206020604U (en) | A kind of tester based on flying probe double-sided PCB board system | |
| CN210465622U (en) | Portable electromagnetic relay detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180710 Address after: 315400 Room 308, 28 Xingbin Road, Binhai New Town, Yuyao, Zhejiang province (Zhongyi Ningbo Ecological Park) Patentee after: Zhejiang Jo smart industry Limited by Share Ltd Address before: 315470, Zhejiang, Yuyao Province Town West Industrial Zone, Ningbo Qiao Rubber Co., Ltd. Patentee before: Ningbo Qiaoshi Rubber & Plastics Co., Ltd. |