CN101806860A - Adjustable-assembly parameter endurance testing device for electromagnetic relay - Google Patents
Adjustable-assembly parameter endurance testing device for electromagnetic relay Download PDFInfo
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- CN101806860A CN101806860A CN 201010135422 CN201010135422A CN101806860A CN 101806860 A CN101806860 A CN 101806860A CN 201010135422 CN201010135422 CN 201010135422 CN 201010135422 A CN201010135422 A CN 201010135422A CN 101806860 A CN101806860 A CN 101806860A
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Abstract
The invention discloses an adjustable-assembly parameter endurance testing device for electromagnetic relays and relates to an endurance testing device for the electromagnetic relays. The invention solves the problem that it is impossible to research the influences of the traditional endurance testing device for the electromagnetic relays on the matching relationship between an electromagnetic attraction force and a mechanical counter force and on the electrical endurance by changing an assembly parameter. Adjusting blocks are arranged on a first screw by threaded connection; the lower end of a vertical adjusting device is fixedly arranged on upper end faces of two vertical plates and is positioned on the same side of the two vertical plates; two fixing blocks are symmetrically arranged on the front side wall of the vertical adjusting device; two sensor supports are symmetrically fixed on the front side wall of the vertical adjusting device and are positioned between the two fixing blocks; and two pressure sensors are positioned on the two sensor supports and are in sliding connection with the sensor supports respectively. The device makes it is possible to research the influences of the device on the matching relationship between the electromagnetic attraction force and the mechanical counter force by changing the assembly parameter and on the electrical endurance of the electromagnetic relays.
Description
Technical field
The present invention relates to a kind of endurance testing device for electromagnetic relay.
Background technology
Highly reliable, the long-life is the developing direction of electromagnetic relay, has directly influenced the reliability and the electric life of electromagnetic relay yet the arc discharge that takes place between the electromagnetic relay contact causes contact material to be ablated.The parameter of electromagnetic relay generally includes dimensional parameters, structural parameters and assembly parameter.According to the requirement of relay pick-up voltage, release voltage, rated voltage and time parameter, contact resistance, determine electromagnetic system structure in the relay, contact system structure with and assembly relation.Assembly parameter wherein mainly comprises armature travel, quiet contact initial pressure, contact gap and moving together contact over travel, the magnetic gap etc. of closing.The change of assembly parameter not only directly influences the attracting process and the dispose procedure of electromagnetic relay, and with influencing contactor breaking course and closing course, the contact electroerosion that is taken place is final directly related with the relay electric life with the degree of melting welding.Existing endurance testing device for electromagnetic relay only carries out test analysis at assembling the product that finishes, can't study its matching relationship for electromagnetic attraction and mechanical counter-force and reaches influence to electric life by changing assembly parameter.
Summary of the invention
The objective of the invention is to study its matching relationship and reach problem by changing assembly parameter, and then a kind of endurance testing device for electromagnetic relay of adjustable-assembly parameter is provided the influence of electric life for electromagnetic attraction and mechanical counter-force for solving existing endurance testing device for electromagnetic relay.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: the endurance testing device for electromagnetic relay of adjustable parameter of the present invention is by base plate, stepping motor, first leading screw, two horizontal guide rails, adjust piece, adjust knob, two risers, the vertical direction adjusting gear, two pressure transducers, two sensor brackets, two derivators, two fixed blocks, two insulation rods, two static contacts and moving contact adjusting gear are formed, described two riser opposing parallel are packed on the upper surface of base plate, on described two risers respectively correspondence have first through hole, the two ends correspondence of described first leading screw is installed in first through hole of two risers and with two risers and is rotationally connected, described adjustment knob is installed on the end of first leading screw, described stepping motor is packed on the upper surface of base plate, the other end of the output shaft of described stepping motor and first leading screw is affixed, described adjustment piece is installed on first leading screw and between the two and is threaded, described two horizontal guide rails be arranged in parallel between the both sides of first leading screw and three, described two horizontal guide rails are installed on to be adjusted on the piece, the two ends correspondence of described two horizontal guide rails is packed on two risers, the lower end of described vertical direction adjusting gear is packed on the upper surface of two risers and is positioned at the same side of two risers, described two fixed block symmetries are packed on the front side wall of vertical direction adjusting gear, described two sensor bracket symmetries are packed on the front side wall of vertical direction adjusting gear and between two fixed blocks, two pressure transducers lay respectively on two sensor brackets and are slidingly connected with sensor bracket respectively, it is affixed with a sidewall of corresponding pressure transducer that one end of each derivator passes corresponding fixed block, one end of each insulation rod is packed on another sidewall of corresponding pressure transducer, the other end of each insulation rod is fixed with a static contact, and described moving contact adjusting gear is packed on the upper surface of adjusting piece.
The invention has the beneficial effects as follows: the endurance testing device for electromagnetic relay of adjustable-assembly parameter of the present invention can change assembly parameter and study the matching relationship of its various combination for electromagnetic attraction and mechanical counter-force, and draws it to the electromagnetic relay influence in serviceable life by matching relationship; Proving installation of the present invention is simple in structure, easy to operate.
Description of drawings
The stereographic map of Fig. 1 endurance testing device of the present invention, Fig. 2 are the enlarged drawings of embodiment three, and Fig. 3 is endurance testing device circuit theory diagrams of the present invention.
Embodiment
Embodiment one: shown in Fig. 1～2, the endurance testing device for electromagnetic relay of the adjustable-assembly parameter of present embodiment is by base plate 1, stepping motor 2, first leading screw 3, two horizontal guide rails 4, adjust piece 5, adjust knob 6, two risers 7, vertical direction adjusting gear 8, two pressure transducers 9, two sensor brackets 10, two derivators 11, two fixed blocks 12, two insulation rods 13, two static contacts 14 and moving contact adjusting gear 15 are formed, described two riser 7 opposing parallel are packed on the upper surface of base plate 1, on described two risers 7 respectively correspondence have the first through hole 7-1, the two ends correspondence of described first leading screw 3 is installed in the first through hole 7-1 of two risers 7 and with two risers 7 and is rotationally connected, described adjustment knob 6 is installed on the end of first leading screw 3, described stepping motor 2 is packed on the upper surface of base plate 1, the other end of the output shaft of described stepping motor 2 and first leading screw 3 is affixed, described adjustment piece 5 is installed on first leading screw 3 and is threaded between the two, described two horizontal guide rails 4 be arranged in parallel between the both sides of first leading screw 3 and three, described two horizontal guide rails 4 are installed on to be adjusted on the piece 5, the two ends correspondence of described two horizontal guide rails 4 is packed on two risers 7, the lower end of described vertical direction adjusting gear 8 is packed on the upper surface of two risers 7 and is positioned at the same side of two risers 7, described two fixed block 12 symmetries are packed on the front side wall of vertical direction adjusting gear 8, described two sensor bracket 10 symmetries are packed on the front side wall of vertical direction adjusting gear 8 and between two fixed blocks 12, two pressure transducers 9 lay respectively on two sensor brackets 10 and respectively and are slidingly connected with sensor bracket 10, it is affixed with a sidewall of corresponding pressure transducer 9 that one end of each derivator 11 passes corresponding fixed block 12, one end of each insulation rod 13 is packed on another sidewall of corresponding pressure transducer 9, the other end of each insulation rod 13 is fixed with a static contact 14, and described moving contact adjusting gear 15 is packed on the upper surface of adjusting piece 5.
Embodiment two: as shown in Figure 1, the described vertical direction adjusting gear 8 of present embodiment is made up of first crossbeam 21, second crossbeam 22, two second leading screws 23 and two upright guide rails 24, the upper end of described two upright guide rails 24 is affixed with the two ends of first crossbeam 21 respectively, the lower end of described two upright guide rails 24 is all passed second crossbeam 22 and is fixed on the upper surface of corresponding riser 7, and the lower end of described two second leading screws 23 is all passed first crossbeam 21 and all is threaded with second crossbeam 22.So design, can adjust the height of two static contacts 14 on the vertical direction adjusting gear 8.Other composition and annexation are identical with embodiment one.
Embodiment three: as shown in Figure 1, the described vertical direction adjusting gear 8 of present embodiment also comprises two adjusting handles 25, and the upper end of each second leading screw 23 is provided with an adjusting handle 25.So second leading screw 23 can be conveniently rotated in design.Other composition and annexation are identical with embodiment two.
Embodiment four: shown in Fig. 1～2, the described moving contact adjusting gear 15 of present embodiment is made up of locating piece 26, base 27, insulation course 28, slideway 29, adjustment bolt 30 and clamp device 31, described slideway 29 and locating piece 26 front and back correspondences are packed on the upper surface of adjusting piece 5, the lower end of base 27 is installed in the slideway 29 and along slideway 29 front and back and slides, described clamp device 31 is packed in by insulation course 28 on the upper surface of base 27, and the thread end of described adjustment bolt 30 passes locating piece 26 and is threaded with base 27.So design, moving contact adjusting gear 15 can be adjusted the relay moving contact along the position of adjusting bolt 29 directions.Other composition and annexation are identical with embodiment one.
Embodiment five: shown in Fig. 1～2, the described clamp device 31 of present embodiment is " L " shape fixture 31-1 and grip nut 31-2 by xsect, described xsect is packed on the upper surface of insulation course 28 for the outer face of the sidewall of " L " shape fixture 31-1, and described grip nut 31-2 is installed in xsect on another sidewall of " L " shape fixture 31-1.So design can be by the stroke of the grip nut 31-2 adjustment armature of relay.Other composition and annexation are identical with embodiment four.
Principle of work:
As shown in figures 1 and 3, when adopting step motor drive: two static contacts are installed in respectively on the anchor clamps of insulating material rod, relay to be tested is installed on the clamp device 31, rotation is adjusted bolt 30 and is adjusted the front and back position of base 27 then, thereby adjusts the tangential position of the contact and the static contact of relay to be tested; Adjust the position of the vertical direction of two static contacts 14 by regulating vertical direction adjusting gear 8; Regulate clamp device 31, make the armature on the relay to be tested be in attracting state (guaranteeing that promptly armature maintains static); The derivator 11 of the back contact by adjusting the right side, the back contact that makes the right side contacts with the contact of relay to be tested, can determine the original pressure of back contact by the pressure transducer 9 on right side; Regulate the derivator 11 of the moving together contact in left side, determine distance between moving together contact and moving contact; Set the rotating speed and the move distance of stepper motor, the helical pitch by rotating speed and ball-screw can obtain the required breaking speed of back contact, and the relation by move distance and contactor gap can obtain required moving together contact over travel; Obtain the numerical value of the arc time of relay, contact resistance and melting welding power by the rotating cycle of control step motor, contact voltage, contact current and the contact force of contact transfer process, whether surpass permissible value by above numerical value criterion, stop test if surpass permissible value; Can determine the pitting of contact shape characteristic by microscope with the contact down, from the anchor clamps dismounting.
When adopting solenoid to drive: two static contacts are installed in respectively on the anchor clamps on the insulating material rod; On clamp device 31, rotation is adjusted bolt 30 and is adjusted the front and back position of base 27 then, thereby adjusts the tangential position of the contact and the static contact of relay to be tested with relay clamping to be tested; Adjust the position of the vertical direction of two static contacts 14 by regulating vertical direction adjusting gear 8; Regulate armature travel, utilize solenoid to make the voltage adhesive,, make coil pick-up voltage, release voltage satisfy requirement of experiment then according to the stroke of armature; Rotate to adjust knob 6 moving contact is contacted with back contact, reach the initial pressure of required back contact; Regulate the derivator 11 of moving together contact, the over travel of control contactor gap and moving together contact; Obtain the numerical value of pickup time, release time, arc time, contact resistance and the melting welding power of relay by power on/off cycle, coil pick-up voltage, release voltage, contact voltage, contact current, the contact force of control solenoid, whether surpass permissible value by above-mentioned numerical value criterion, stop test if surpass permissible value; Can determine the pitting of contact shape characteristic by microscope with the contact down, from the anchor clamps dismounting.
Claims (5)
1. the endurance testing device for electromagnetic relay of an adjustable-assembly parameter, it is characterized in that: described proving installation is by base plate (1), stepping motor (2), first leading screw (3), two horizontal guide rails (4), adjust piece (5), adjust knob (6), two risers (7), vertical direction adjusting gear (8), two pressure transducers (9), two sensor brackets (10), two derivators (11), two fixed blocks (12), two insulation rods (13), two static contacts (14) and moving contact adjusting gear (15) are formed, described two risers (7) opposing parallel is packed on the upper surface of base plate (1), on described two risers (7) respectively correspondence have first through hole (7-1), the two ends correspondence of described first leading screw (3) is installed in first through hole (7-1) of two risers (7) and with two risers (7) and is rotationally connected, described adjustment knob (6) is installed on the end of first leading screw (3), described stepping motor (2) is packed on the upper surface of base plate (1), the other end of the output shaft of described stepping motor (2) and first leading screw (3) is affixed, described adjustment piece (5) is installed in first leading screw (3) and upward and between the two is threaded, described two horizontal guide rails (4) are positioned between the both sides of first leading screw (3) and the three and be arranged in parallel, described two horizontal guide rails (4) are installed on to be adjusted on the piece (5), the two ends correspondence of described two horizontal guide rails (4) is packed on two risers (7), the lower end of described vertical direction adjusting gear (8) is packed on the upper surface of two risers (7) and is positioned at the same side of two risers (7), described two fixed blocks (12) symmetry is packed on the front side wall of vertical direction adjusting gear (8), described two sensor brackets (10) symmetry is packed on the front side wall of vertical direction adjusting gear (8) and is positioned between two fixed blocks (12), two pressure transducers (9) lay respectively on two sensor brackets (10) and are slidingly connected with sensor bracket (10) respectively, it is affixed with a sidewall of corresponding pressure transducer (9) that one end of each derivator (11) passes corresponding fixed block (12), one end of each insulation rod (13) is packed on another sidewall of corresponding pressure transducer (9), the other end of each insulation rod (13) is fixed with a static contact (14), and described moving contact adjusting gear (15) is packed on the upper surface of adjusting piece (5).
2. the endurance testing device for electromagnetic relay of adjustable-assembly parameter according to claim 1, it is characterized in that: described vertical direction adjusting gear (8) comprises first crossbeam (21), second crossbeam (22), two second leading screws (23) and two upright guide rails (24), the upper end of described two upright guide rails (24) is affixed with the two ends of first crossbeam (21) respectively, the lower end of described two upright guide rails (24) is all passed second crossbeam (22) and is fixed on the upper surface of corresponding riser (7), and the lower end of described two second leading screws (23) is all passed first crossbeam (21) and all is threaded with second crossbeam (22).
3. the endurance testing device for electromagnetic relay of adjustable-assembly parameter according to claim 2, it is characterized in that: described vertical direction adjusting gear (8) also comprises two adjusting handles (25), and the upper end of each second leading screw (23) is provided with an adjusting handle (25).
4. the endurance testing device for electromagnetic relay of adjustable-assembly parameter according to claim 1, it is characterized in that: moving contact adjusting gear (15) is by locating piece (26), base (27), insulation course (28), slideway (29), adjusting bolt (30) and clamp device (31) forms, correspondence is packed on the upper surface of adjusting piece (5) before and after described slideway (29) and the locating piece (26), the lower end of base (27) is installed in the slideway (29) and before and after slideway (29) and slides, described clamp device (31) is packed on the upper surface of base (27) by insulation course (28), and the thread end of described adjustment bolt (30) passes locating piece (26) and is threaded with base (27).
5. the endurance testing device for electromagnetic relay of adjustable-assembly parameter according to claim 4, it is characterized in that: described clamp device (31) is " L " shape fixture (31-1) and grip nut (31-2) by xsect, described xsect is packed on the upper surface of insulation course (28) for the outer face of a sidewall of " L " shape fixture (31-1), and described grip nut (31-2) is installed in xsect on another sidewall of " L " shape fixture (31-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101354221A CN101806860B (en) | 2010-03-30 | 2010-03-30 | Adjustable-assembly parameter endurance testing device for electromagnetic relay |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101354221A CN101806860B (en) | 2010-03-30 | 2010-03-30 | Adjustable-assembly parameter endurance testing device for electromagnetic relay |
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| CN101806860A true CN101806860A (en) | 2010-08-18 |
| CN101806860B CN101806860B (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101354221A Expired - Fee Related CN101806860B (en) | 2010-03-30 | 2010-03-30 | Adjustable-assembly parameter endurance testing device for electromagnetic relay |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610444A (en) * | 2012-03-31 | 2012-07-25 | 哈尔滨工业大学 | Multi-parameter adjustable operating mechanism based on dual-coil structure |
| CN102944839A (en) * | 2012-12-07 | 2013-02-27 | 哈尔滨工业大学 | Balance force type electromagnetic relay clamping device with adjustable parameters |
| CN102998615A (en) * | 2012-08-20 | 2013-03-27 | 昆山洺九机电有限公司 | Test head device applicable to key life tester |
| CN105070595A (en) * | 2015-07-29 | 2015-11-18 | 东莞市三友联众电器有限公司 | Relay parameter automatic adjustment device |
| CN105115713A (en) * | 2015-08-30 | 2015-12-02 | 明光万佳联众电子有限公司 | Contact press |
| CN107422152A (en) * | 2017-06-30 | 2017-12-01 | 南京越博电驱动系统有限公司 | A kind of push button motor bench adjusting apparatus and its operating method |
| CN108051738A (en) * | 2018-02-09 | 2018-05-18 | 太仓神明电子有限公司 | A kind of electric relay detection device and detection method |
| CN109143049A (en) * | 2018-07-28 | 2019-01-04 | 国营芜湖机械厂 | A kind of electromagnetic relay lifetime estimation method based on electrical combined detection technique |
| CN112083326A (en) * | 2020-08-17 | 2020-12-15 | 东风电驱动系统有限公司 | Testing device |
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| US20010019268A1 (en) * | 1996-01-31 | 2001-09-06 | Fritz Pohl | Method of establishing the residual useful life of contacts in switchgear and associated arrangement |
| CN1904577A (en) * | 2006-08-10 | 2007-01-31 | 天津大学 | Automatic test device and method of aviation circuit breaker fatigue life |
| CN2881662Y (en) * | 2006-02-23 | 2007-03-21 | 天津市百利电气有限公司 | On-off device for combined test table of leakage circuit breaker |
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2010
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010019268A1 (en) * | 1996-01-31 | 2001-09-06 | Fritz Pohl | Method of establishing the residual useful life of contacts in switchgear and associated arrangement |
| CN2881662Y (en) * | 2006-02-23 | 2007-03-21 | 天津市百利电气有限公司 | On-off device for combined test table of leakage circuit breaker |
| CN1904577A (en) * | 2006-08-10 | 2007-01-31 | 天津大学 | Automatic test device and method of aviation circuit breaker fatigue life |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610444A (en) * | 2012-03-31 | 2012-07-25 | 哈尔滨工业大学 | Multi-parameter adjustable operating mechanism based on dual-coil structure |
| CN102610444B (en) * | 2012-03-31 | 2014-08-06 | 哈尔滨工业大学 | Multi-parameter adjustable operating mechanism based on dual-coil structure |
| CN102998615A (en) * | 2012-08-20 | 2013-03-27 | 昆山洺九机电有限公司 | Test head device applicable to key life tester |
| CN102944839A (en) * | 2012-12-07 | 2013-02-27 | 哈尔滨工业大学 | Balance force type electromagnetic relay clamping device with adjustable parameters |
| CN105070595A (en) * | 2015-07-29 | 2015-11-18 | 东莞市三友联众电器有限公司 | Relay parameter automatic adjustment device |
| CN105115713A (en) * | 2015-08-30 | 2015-12-02 | 明光万佳联众电子有限公司 | Contact press |
| CN107422152A (en) * | 2017-06-30 | 2017-12-01 | 南京越博电驱动系统有限公司 | A kind of push button motor bench adjusting apparatus and its operating method |
| CN108051738A (en) * | 2018-02-09 | 2018-05-18 | 太仓神明电子有限公司 | A kind of electric relay detection device and detection method |
| CN108051738B (en) * | 2018-02-09 | 2024-01-26 | 太仓神明电子有限公司 | Relay detection device and detection method |
| CN109143049A (en) * | 2018-07-28 | 2019-01-04 | 国营芜湖机械厂 | A kind of electromagnetic relay lifetime estimation method based on electrical combined detection technique |
| CN112083326A (en) * | 2020-08-17 | 2020-12-15 | 东风电驱动系统有限公司 | Testing device |
| CN112083326B (en) * | 2020-08-17 | 2023-06-20 | 东风电驱动系统有限公司 | Test device |
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| CN101806860B (en) | 2012-01-18 |
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