CN201788240U - Automatic tester for performance of valve electromagnet - Google Patents
Automatic tester for performance of valve electromagnet Download PDFInfo
- Publication number
- CN201788240U CN201788240U CN2010202717976U CN201020271797U CN201788240U CN 201788240 U CN201788240 U CN 201788240U CN 2010202717976 U CN2010202717976 U CN 2010202717976U CN 201020271797 U CN201020271797 U CN 201020271797U CN 201788240 U CN201788240 U CN 201788240U
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- electromagnet
- slide block
- pressure sensor
- measured
- valve control
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Abstract
The utility model discloses an automatic tester for performance of a valve electromagnet, which comprises a worktable, a pull-pressure sensor, a displacement sensor, an electro-hydraulic proportional amplifying board, a sliding block, a linear sliding table fixedly connected with the worktable, a programmable logic controller, a data acquisition card, a current sensor and an industrial personal computer . An electromagnet to be tested is placed and fastened on the sliding block, the sliding block is in sliding fit with the linear sliding table along the longitudinal direction of the sliding table, the pull-pressure sensor is fixed on the worktable arranged under the sliding block, a contacting rod of the pull-pressure sensor is arranged under an armature of the electromagnet to be tested, the displacement sensor is fixedly connected on the linear sliding table, a free end of a sliding rod of the displacement sensor is fixed on the sliding block, the programmable logic controller is respectively electrically connected with the electro-hydraulic proportional amplifying board and operation buttons on the worktable, and the data acquisition card is respectively electrically connected with the displacement sensor, the pull-pressure sensor, the current sensor and the industrial personal computer.
Description
Technical field
The utility model relates to a kind of electromagnet performance test field, specifically is a kind of valve control electromagnet performance automatic test device.
Background technology
At present, at automotive field, hydraulic buttery valve is applied in the topworks of auto continuously variable transmission electrohydraulic control system, hydraulic buttery valve in the topworks of this electrohydraulic control system is generally solenoid-operated proportional reduction valve and electromagnetic proportion relief valve, and the precision of solenoid-operated proportional reduction valve and electromagnetic proportion relief valve directly has influence on the usability of auto continuously variable transmission.Directly have influence on the precision of solenoid valve as the characteristic of the proportion electro-magnet of one of vitals of solenoid-operated proportional reduction valve and electromagnetic proportion relief valve, therefore, needed the static properties of Comparative Examples electromagnet to detect before the solenoid valve assembling, the static properties of described electromagnet detects and mainly comprises the force-displacement behavior of electromagnet and the power-current characteristics of electromagnet.Its structure of described proportion electro-magnet generally comprises armature, guide pin bushing, housing, concentric magnetic plug.Make for permeability magnetic material for two sections before and after the guide pin bushing, the centre is non-magnet material (magnetism-isolating loop) for one section.The concentric magnetic plug of configuration between guide pin bushing and the housing, the rear end of armature is connected with back-moving spring and set screw, after the electromagnet energising, by armature output electromagnetic force and displacement.
The valve control electromagnet performance testing device of prior art comprises Working gantry, electromagnet fixed head, pull pressure sensor, displacement transducer, displacement adjusting mechanism, electric-hydraulic proportion amplification plate, sampling resistor and function recording instrument.On the electromagnet fixed head, pull pressure sensor is fixed on the front end of displacement adjusting mechanism main shaft to described electromagnet by screw retention, and displacement transducer is connected with the tail end of main shaft.When electromagnet performance test, at first make magnet coil pass to certain electric current and remain unchanged, the knob of hand rotation displacement adjusting mechanism then, making the main shaft of displacement adjusting mechanism drive pull pressure sensor forward moves, make the feeler lever of pressure transducer depress the interior armature of electromagnet, thereby measure the electromagnetic force of electromagnet and the displacement of measuring armature, so just measure the force-displacement behavior of electromagnet by displacement transducer; When detecting the power of electromagnet-current characteristics, make the feeler lever of pull pressure sensor depress electromagnet armature and make it to be fixed on some positions, it generally is the mid point of nominal operation stroke, change the size of electromagnet input Control current then, transfer the electric current variation to change in voltage by sampling resistor, record the electromagnetic force of respective electrical magnet output simultaneously by pull pressure sensor, promptly finish electromagnetism ferreous-test of current characteristics.The data of more than measuring are by the function recording instrument record, or are read by the manual pointwise of testing staff, and test findings needs by the testing staff according to test figure or trial curve manual process.This pick-up unit is complex structure, bulky not only, and tests with this pick-up unit, has more human factor influence, and measuring accuracy is low.In addition electromagnet by screw retention on the electromagnet fixed head, carrying out next electromagnet when detecting, need take off the electromagnet that is screwed by instrument, and then with instrument next electromagnet is installed and is detected, thereby influence the test speed of electromagnet, increase tester's labour intensity.This valve control electromagnet device for detecting performance incompatibility valve control electromagnet mass detection demand.
The utility model content
The technical problems to be solved in the utility model is, overcomes the defective of above prior art, provide a kind of simple in structure, measuring accuracy is high, test speed is fast, labour intensity is little and can adapt to the valve control electromagnet performance automatic test device of mass detection.
Technical solution of the present utility model is, a kind of valve control electromagnet performance automatic test device with following structure is provided: it comprises worktable, pull pressure sensor, displacement transducer, electric-hydraulic proportion is amplified plate, it also comprises slide block and the linear slide unit that is connected with stationary table, electromagnet to be measured is placed and is fixed tightly on the slide block, and vertically being slidingly matched of slide block property along the line slide unit, described pull pressure sensor is fixed on the worktable of slide block below, and the feeler lever of pull pressure sensor be positioned at electromagnet armature to be measured under, described displacement transducer is fixedly connected on the linear slide unit, and the free end of the slide bar of displacement transducer is fixed on the slide block, it also comprises programmable logic controller (PLC) (PLC), data collecting card, current sensor and industrial computer, described programmable logic controller (PLC) is electrically connected with the action button that electric-hydraulic proportion is amplified on plate and the worktable respectively, described data collecting card respectively with displacement transducer, pull pressure sensor, current sensor, industrial computer is electrically connected.
After adopting above structure, the utility model valve control electromagnet performance automatic test device compared with prior art, have the following advantages: this valve control electromagnet performance automatic test device, be fit to the test of multiple valve control electromagnet performance, test process is tested by programmable logic controller (PLC) controls, displacement transducer, the simulating signal of pull pressure sensor and current sensor test is by the digital-to-analog conversion of data collecting card, and with the displacement data that collects, the electromagnetic force data, voltage or current data pass to industrial computer, industrial computer utilizes software that the data that obtain are analyzed, handle, and generation electromagnet family curve, as, force-displacement behavior curve and power-current characteristics curve, again with this curve display on the display screen of industrial computer, for the tester to the electromagnet performance evaluation.Its test process automation degree height, test speed is fast, and labour intensity is low; In addition, well avoided artificial factor, thereby made the measuring accuracy height of electromagnet; Moreover this valve control electromagnet performance automatic test apparatus structure is simple, and volume is little, and low cost of manufacture is fit to electromagnet manufacturer's mass detection and the demand that pipelining detects automatically.
As a kind of improvement, described electromagnet to be measured is placed and is fixed on the slide block, be meant that the bottom of the lateral wall of described slide block is provided with the panel of a ccontaining electromagnet to be measured, also be provided with support plate on the slide block lateral wall of described panel top, described support plate is provided with a clamping cylinder that is used to compress electromagnet to be measured, and described clamping cylinder is electrically connected with programmable logic controller (PLC).Adopt clamping cylinder to replace tradition to be used for fixing the screw of electromagnet, and work by the programmable logic controller (PLC) controls clamping cylinder, make whole testing device intelligent more, not only can further improve the testing efficiency of electromagnet, and easy to operate during fixed electromagnet.
As a kind of improvement, vertically being slidingly matched of described slide block property along the line slide unit, the top that is meant described linear slide unit is provided with a drive motor, the output shaft of described drive motor connects a leading screw, the madial wall of described slide block is provided with a ball-screw nut that matches with leading screw, and described drive motor is electrically connected with programmable logic controller (PLC).The rotation that slides through the programmable logic controller (PLC) controls drive motor of this slide block is finished, and littler than the manual operation error of prior art, precision is higher.
As preferably, described motor is a servomotor, and this is because the control of the speed of servomotor and positional precision is very accurate, and the error when reducing electromagnet performance test has improved the measuring accuracy of electromagnet performance.
As a kind of improvement, described industrial computer is connected with printing device, and the electromagnet performance test curve printing that this printing device can generate the industrial computer analysis very easily comes out, and is convenient to the performance that the tester analyzes electromagnet.
Description of drawings
Fig. 1 is the structural representation of the utility model valve control electromagnet performance automatic test device.
Fig. 2 is the perspective view of the utility model valve control electromagnet performance automatic test device.
Fig. 3 is the sectional structure synoptic diagram of the utility model valve control electromagnet performance automatic test device.
As shown in the figure:
1, worktable, 2, pull pressure sensor, 3, linear slide unit, 4, drive motor, 5, shaft coupling, 6, clamping cylinder, 7, support plate, 8, slide block, 9, electromagnet to be measured, 10, panel, 11, leading screw, 12, displacement transducer, 13, slide bar, 14, data collecting card, 15, programmable logic controller (PLC), 16, industrial computer, 17, electric-hydraulic proportion amplifies plate, 18, current sensor, 19, hole, 20, feeler lever, 21, ball-screw nut.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As Fig. 1, Fig. 2 and shown in Figure 3.
The utility model valve control electromagnet performance automatic test device, it comprises worktable 1, pull pressure sensor 2, displacement transducer 12, electric-hydraulic proportion is amplified plate 17, it also comprises slide block 8 and the linear slide unit 3 of fixedlying connected with worktable 1, electromagnet 9 to be measured is placed and is fixed tightly on the slide block 8, and vertically being slidingly matched of slide block 8 property slide units 3 along the line, described pull pressure sensor 2 is fixed on the worktable 1 of slide block 8 belows, and the feeler lever 20 of pull pressure sensor 2 be positioned at electromagnet 9 armature to be measured under, described displacement transducer 12 is fixedly connected on the linear slide unit 3, and the free end of the slide bar 13 of displacement transducer 12 is fixed on the slide block 8, it also comprises programmable logic controller (PLC) (PLC) 15, data collecting card 14, current sensor 18 and industrial computer 16, described programmable logic controller (PLC) 15 is electrically connected with the action button that electric-hydraulic proportion is amplified on plate 17 and the worktable 1 respectively, described data collecting card 14 respectively with displacement transducer 12, pull pressure sensor 2, current sensor 18, industrial computer 16 is electrically connected.
Described electromagnet to be measured 9 is placed and is fixed on the slide block 8, be meant that the bottom of the lateral wall of described slide block 8 is provided with the panel 10 of a ccontaining electromagnet 9 to be measured, also be provided with support plate 7 on slide block 8 lateral walls of described panel 10 tops, described support plate 7 is provided with a clamping cylinder 6 that is used to compress electromagnet 9 to be measured, and described clamping cylinder 6 is electrically connected with programmable logic controller (PLC) 15.
Vertically being slidingly matched of described slide block 8 property slide units 3 along the line, the top that is meant described linear slide unit 3 is provided with a drive motor 4, the output shaft of described drive motor 4 connects a leading screw 11, the madial wall of described slide block 8 is provided with a ball-screw nut 21 that matches with leading screw 11, and described drive motor 4 is electrically connected with programmable logic controller (PLC) 15.
The feeler lever 20 of described pull pressure sensor 2 be positioned at electromagnet 9 armature to be measured under, be meant that described panel 10 is provided with the hole 19 of upwards compressing electromagnet 9 armature to be measured for the feeler lever 20 of pull pressure sensor 2, the axis of the feeler lever 20 of described pull pressure sensor 2 and the axis in hole 19 are on same straight line.
Described drive motor 4 is a servomotor.
The output shaft of described drive motor 4 is fixedlyed connected with the top of leading screw 11 and is meant that the output shaft of described drive motor 4 is fixedlyed connected by shaft coupling 5 with the top of leading screw 11.
Described industrial computer 16 is connected with printing device.
The principle of work of the utility model valve control electromagnet performance automatic test device is: at first electromagnet 9 to be measured is placed on the panel 10, press the action button of lower table 1,6 work of programmable logic controller (PLC) 15 control clamping cylinders, clamping cylinder 6 piston rod compress electromagnet 9 to be measured downwards; Simultaneously, programmable logic controller (PLC) 15 control electric-hydraulic proportions are amplified plate 17 and are opened, after making the certain electric current of electromagnet 9 inputs to be measured, programmable logic controller (PLC) 15 controlling and driving motors 4 rotate, the output shaft of drive motor 4 drives leading screw 11 and rotates, slide block 8 moves down, when the armature of electromagnet 9 to be measured compresses the feeler lever 20 of pull pressure sensor 2, pull pressure sensor 2 sends to data collecting card 14 with the signal of electromagnet 9 output electromagnetic forces to be measured, simultaneously, the slide bar 13 that drives displacement transducer 12 that moves down of slide block 8 moves, displacement transducer 12 passes to data collecting card 14 with the displacement signal of gained, data collecting card 14 is converted to digital signal with electromagnetic force signal and the displacement signal of receiving, and digital signal sent to industrial computer 16, industrial computer 16 usefulness softwares carry out analyzing and processing with the digital signal that receives, and generate the force-displacement behavior curve of electromagnet; When the power-current characteristics of test electromagnet, programmable logic controller (PLC) 15 controlling and driving motors 4 rotate, thereby making slide block 8 drive electromagnet 9 to be measured moves down, when the armature of electromagnet 9 to be measured upwards is compressed to the mid point of stroke by the feeler lever 20 of pull pressure sensor 2, programmable logic controller (PLC) 15 control electric-hydraulic proportions are amplified plate 17 and are opened, make the electric current of the different sizes of electromagnet 9 inputs to be measured, thereby make pull pressure sensor 2 obtain the electromagnetic force of electromagnet 9 outputs to be measured under the different electric currents, and electromagnetic force passed to data collecting card 14, simultaneously, current sensor 18 passes to data collecting card 14 with the curtage signal that electromagnet 9 to be measured amplifies plate 17 inputs through electric-hydraulic proportion, data collecting card 14 becomes digital signal transfers to give industrial computer 16 with the curtage conversion of signals electromagnetic force signal that receives, industrial computer 16 usefulness softwares carry out analyzing and processing with the digital signal that receives, and generate the power-current characteristics curve of electromagnet.After test finishes, 6 work of programmable logic controller (PLC) controls clamping cylinder, the piston rod of clamping cylinder 6 unclamps electromagnet 9 to be measured, and then carries out the test of next electromagnet performance.
Claims (7)
1. valve control electromagnet performance automatic test device, it comprises worktable (1), pull pressure sensor (2), displacement transducer (12), electric-hydraulic proportion is amplified plate (17), it is characterized in that: it also comprises slide block (8) and the linear slide unit (3) of fixedlying connected with worktable (1), electromagnet to be measured (9) is placed and is fixed tightly on the slide block (8), and vertically being slidingly matched of slide block (8) property slide unit (3) along the line, described pull pressure sensor (2) is fixed on the worktable (1) of slide block (8) below, and the feeler lever (20) of pull pressure sensor (2) be positioned at electromagnet to be measured (9) armature under, described displacement transducer (12) is fixedly connected on the linear slide unit (3), and the free end of the slide bar (13) of displacement transducer (12) is fixed on the slide block (8); It also comprises programmable logic controller (PLC) (15), data collecting card (14), current sensor (18) and industrial computer (16), described programmable logic controller (PLC) (15) is electrically connected with the action button that electric-hydraulic proportion is amplified on plate (17) and the worktable (1) respectively, and described data collecting card (14) is electrically connected with displacement transducer (12), pull pressure sensor (2), current sensor (18), industrial computer (16) respectively.
2. valve control electromagnet performance automatic test device according to claim 1, it is characterized in that: described electromagnet to be measured (9) is placed and is fixed on the slide block (8), be meant that the bottom of the lateral wall of described slide block (8) is provided with the panel (10) of a ccontaining electromagnet to be measured (9), also be provided with support plate (7) on slide block (8) lateral wall of described panel (10) top, described support plate (7) is provided with a clamping cylinder (6) that is used to compress electromagnet to be measured (9), and described clamping cylinder (6) is electrically connected with programmable logic controller (PLC) (15).
3. valve control electromagnet performance automatic test device according to claim 1, it is characterized in that: described slide block (8) is vertically being slidingly matched of property slide unit (3) along the line, the top that is meant described linear slide unit (3) is provided with a drive motor (4), the output shaft of described drive motor (4) connects a leading screw (11), the madial wall of described slide block (8) is provided with a ball-screw nut (21) that matches with leading screw (11), and described drive motor (4) is electrically connected with programmable logic controller (PLC) (15).
4. valve control electromagnet performance automatic test device according to claim 2, it is characterized in that: the feeler lever (20) of described pull pressure sensor (2) be positioned at electromagnet to be measured (9) armature under, be meant that described panel (10) is provided with the hole (19) of upwards compressing electromagnet to be measured (9) armature for the feeler lever (20) of pull pressure sensor (2), the axis of the feeler lever (20) of described pull pressure sensor (2) and the axis of hole (19) are on same straight line.
5. valve control electromagnet performance automatic test device according to claim 3 is characterized in that: described drive motor (4) is a servomotor.
6. valve control electromagnet performance automatic test device according to claim 3, it is characterized in that: the output shaft of described drive motor (4) is fixedlyed connected with the top of leading screw (11) and is meant that the output shaft of described drive motor (4) is fixedlyed connected by shaft coupling (5) with the top of leading screw (11).
7. valve control electromagnet performance automatic test device according to claim 1 is characterized in that: described industrial computer (16) is connected with printing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202717976U CN201788240U (en) | 2010-07-23 | 2010-07-23 | Automatic tester for performance of valve electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202717976U CN201788240U (en) | 2010-07-23 | 2010-07-23 | Automatic tester for performance of valve electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788240U true CN201788240U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202717976U Expired - Lifetime CN201788240U (en) | 2010-07-23 | 2010-07-23 | Automatic tester for performance of valve electromagnet |
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| Country | Link |
|---|---|
| CN (1) | CN201788240U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937033A (en) * | 2010-07-23 | 2011-01-05 | 宁波市鄞州通力液压电器厂 | Automatic testing device of performance of electromagnet for valve |
| CN102564652A (en) * | 2011-07-12 | 2012-07-11 | 常州易控汽车电子有限公司 | Mechanical test instrument for stress of electromagnetic valve and test method |
| CN102590658A (en) * | 2012-01-19 | 2012-07-18 | 上海沪工汽车电器有限公司 | General-purpose tester for parameters of electromagnet used for locking automobile gear shifting |
| CN104049165A (en) * | 2014-06-24 | 2014-09-17 | 湘潭大学 | Electrical performance testing device of electromagnet |
| CN105092109A (en) * | 2015-08-19 | 2015-11-25 | 无锡晶晟汽车电子有限公司 | Electromagnetic force detection device |
| CN110907168A (en) * | 2019-11-30 | 2020-03-24 | 安徽江淮汽车集团股份有限公司 | Testing device |
| CN112816814A (en) * | 2020-12-31 | 2021-05-18 | 苏州耀德科电磁技术有限公司 | Electromagnet actuation time and current curve acquisition system |
| CN113639800A (en) * | 2021-09-15 | 2021-11-12 | 温州大学 | Electromagnet self-adaptive stroke-force hysteresis curve testing device and method based on tension and pressure sensing detection |
-
2010
- 2010-07-23 CN CN2010202717976U patent/CN201788240U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937033A (en) * | 2010-07-23 | 2011-01-05 | 宁波市鄞州通力液压电器厂 | Automatic testing device of performance of electromagnet for valve |
| CN101937033B (en) * | 2010-07-23 | 2012-08-15 | 宁波市鄞州通力液压电器厂 | Automatic testing device of performance of electromagnet for valve |
| CN102564652A (en) * | 2011-07-12 | 2012-07-11 | 常州易控汽车电子有限公司 | Mechanical test instrument for stress of electromagnetic valve and test method |
| CN102564652B (en) * | 2011-07-12 | 2014-04-09 | 常州易控汽车电子有限公司 | Mechanical test instrument for stress of electromagnetic valve and test method |
| CN102590658A (en) * | 2012-01-19 | 2012-07-18 | 上海沪工汽车电器有限公司 | General-purpose tester for parameters of electromagnet used for locking automobile gear shifting |
| CN104049165A (en) * | 2014-06-24 | 2014-09-17 | 湘潭大学 | Electrical performance testing device of electromagnet |
| CN105092109A (en) * | 2015-08-19 | 2015-11-25 | 无锡晶晟汽车电子有限公司 | Electromagnetic force detection device |
| CN110907168A (en) * | 2019-11-30 | 2020-03-24 | 安徽江淮汽车集团股份有限公司 | Testing device |
| CN112816814A (en) * | 2020-12-31 | 2021-05-18 | 苏州耀德科电磁技术有限公司 | Electromagnet actuation time and current curve acquisition system |
| CN113639800A (en) * | 2021-09-15 | 2021-11-12 | 温州大学 | Electromagnet self-adaptive stroke-force hysteresis curve testing device and method based on tension and pressure sensing detection |
| CN113639800B (en) * | 2021-09-15 | 2023-10-13 | 温州大学 | Electromagnet self-adaptive travel-force hysteresis curve testing device and method based on pull pressure sensing detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110406 Effective date of abandoning: 20120815 |