CN202511732U - Relay armature stroke detection apparatus - Google Patents
Relay armature stroke detection apparatus Download PDFInfo
- Publication number
- CN202511732U CN202511732U CN2012200042674U CN201220004267U CN202511732U CN 202511732 U CN202511732 U CN 202511732U CN 2012200042674 U CN2012200042674 U CN 2012200042674U CN 201220004267 U CN201220004267 U CN 201220004267U CN 202511732 U CN202511732 U CN 202511732U
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- CN
- China
- Prior art keywords
- armature
- magnetic circuit
- base plate
- relay
- circuit tray
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a relay armature stroke detection apparatus comprising a base plate, a bracket, a magnetic circuit supporting block, a magnet and a dial indicator. The bracket is vertically erected on the base plate; the magnetic circuit supporting block is placed on the base plate; and the dial indicator is installed on the bracket. The measuring head of the dial indicator is perpendicular to the upper surface of the magnetic circuit supporting block. A horizontal groove for clamping a yoke and an armature of a relay is arranged in the middle of the upper surface of the magnetic circuit supporting block; and an arched cavity for placing the movable magnet is arranged below the horizontal groove of the magnetic circuit supporting block. When the armature of the electromagnetic relay is effected by a magnetic field and the head of the armature and an iron core are pulled in, the tail of the armature is lifted and the lifting height corresponds to the pull-in distance between the head of the armature and the iron core; that is, the lifting height corresponds to the pull-in stroke of the armature and the iron core. According to the way for detection of the stroke of the armature motion, the detection is visual and rapid; therefore, the detection apparatus is suitable for assembling application on a production line to rapidly select armatures with qualified strokes on the production line and remove unqualified armatures, thereby improving the qualities and reliability of relays.
Description
Technical field
The utility model relates to a kind of pick-up unit of stroke, especially for the pick-up unit of check armature of relay stroke.
Background technology
The size of armature travel influences the performance of relay adhesive or release in the electromagnetic relay.The electromagnetic relay magnetic circuit is in assembling process, because each part exists tolerance, and the difference of each assembling mould, after the magnetic circuit assembling, the armature travel error can't detect.Still do not have at present the detecting instrument of special detection armature travel size, thereby influence the technical feature of relay.CN202041140U proposes a kind of feeler gauge that detects armature of relay over travel, through inserting the lower limit of first patch detection armature overtravel between armature and the iron core, first patch and second patch is inserted between armature and the iron core simultaneously; Detect the higher limit of armature overtravel; The detected just numerical range of this side can't obtain exact value, and the thickness that is feeler gauge again is certain; Fill in two feeler gauges simultaneously; Might not be the higher limit of over travel, higher limit possibly be greater than or less than 2 times of feeler gauge, so the feeler gauge method can't resolve armature of relay stroke test substantive issue.
Summary of the invention
The technical matters that the utility model will solve is; To the above-mentioned state of the art; Design a kind of pick-up unit of electromagnetic relay armature travel; Be used for the electromagnetic relay production run and select the qualified product of armature travel, to reach qualification rate, reliability and the production efficiency that improves electromagnetic relay.
The technical solution that the utility model adopts is: armature of relay device for detecting distance of travel; It comprises base plate, support, magnetic circuit tray, magnet and dial gauge; Support stands vertically on base plate; The magnetic circuit tray is placed on the base plate, and dial gauge is rack-mount, and described dial gauge measuring head is vertical with magnetic circuit tray upper surface; Establish the yoke and the level trough of armature that can clamp relay in the middle of the upper surface of said magnetic circuit tray, the level trough of said magnetic circuit tray is divided into the arch chamber of the removable magnet of placement.
The utility model utilizes armature in the electromagnetic relay under the action of a magnetic field; When the head end of armature and iron core adhesive, the tail end of armature can lift, and its height that lifts is corresponding with the distance of armature head end and the adhesive of iron core phase; The height that promptly lifts is corresponding with armature and iron core adhesive stroke; The stroke of this detection armature movement detects intuitively fast, is fit to select the qualified armature of stroke fast on the production line; Reject defective armature and on production line, assemble use, to improve the q&r of relay.
Description of drawings
Fig. 1 is the utility model three-dimensional structure diagram, and wherein Fig. 1 a is the A portion enlarged drawing of Fig. 1.
Fig. 2 is a magnetic circuit end closure state instrumentation plan, and wherein Fig. 2 a is the B portion enlarged drawing of Fig. 2.
Fig. 3 is a magnetic circuit closure state instrumentation plan, and wherein Fig. 3 a is the C portion enlarged drawing of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further.
Referring to shown in Figure 1, the armature travel pick-up unit comprises dial gauge 1, support 2, magnetic circuit carriage 7, base plate 8 and backup plate 9, and the table bar of dial gauge vertically passes dial plate and support rail 3 vertical fixing; The upper end of support 2 and 3 vertical connections of support rail, the lower end of support 2 and the base plate of level 8 vertical fixing are placed magnetic circuit carriage 7 on the base plate 8; One side of base plate 8 is established side backup plate 9, and said base plate 8 is a rectangular parallelepiped, and magnetic circuit carriage 7 is a regular cube; Cubical surfaceness is 0.8; The cubical upper and lower surfaces depth of parallelism is 1 μ m, and the lateral vertical degree is 1.5 μ m, and said backup plate 9 is 0.8 with the roughness of the surface of contact of magnetic circuit carriage 7; Verticality is 1.5 μ m, measures essence and reliability to improve.
Shown in Fig. 1 a, establish vertical equity grooves 15 in the middle of the magnetic circuit carriage 7, level trough is circular arc arch chamber 16 down, the front side of the upper surface of magnetic circuit carriage 7 establish two with the perpendicular draw-in groove 19 of said level trough 15.Described level trough 15 is connected with circular arc arch chamber 16 and is used for placing the magnetic circuit assembly of relay, and shown in Fig. 1 a, Fig. 2 a, Fig. 3 a, yoke 6 head ends of magnetic circuit assembly are placed on the level trough 15; The head end width of L shaped yoke 6 is wideer than level trough 15; Therefore be to rest on the level trough 15, and the aftermost breadth of L shaped yoke 6 is littler than level trough 15 width, the afterbody of L shaped thus yoke 6 puts in the circular arc arch chamber 16; And clamp with the both sides of level trough; Be located on magnetic circuit carriage 7 leading flanks projection 13 corresponding the withholding of two draw-in grooves 19 that parallel and yoke 6 head end bottom surfaces, make put the magnetic circuit tray 7 that is placed on the base plate 8 all clamped chucking all around, receiving measuring head 4 to moving down when pressing; Not displacement up and down is so that it is accurately reliable to measure numerical value.The afterbody of armature 5 is established the head end that convex closure 14 rides over yoke 6, and dial gauge measuring head 4 is aimed at the convex closure 14 of armature 5 afterbodys, and backup plate 9 moves the adjustment measurement point and measuring head 4 aligns along the side through moving magnetic circuit carriage 7.
Shown in Fig. 2 and Fig. 2 a; Level trough 15 in the middle of relay yoke 6 and armature 5 are put into magnetic circuit tray 7 clamps; When magnet 20 is put at the end in the circular arc arch chamber 16 in the middle of the magnetic circuit tray 7, armature 5 heads in the magnetic circuit assembly not with iron core 12 adhesives, armature 5 afterbodys are adjacent to yoke 6 heads mutually; The value that dial gauge measuring head 4 records is an initial value, then is null value if press reset button 11 zero clearings.Shown in Fig. 3 and Fig. 3 a; If in the middle circle arc arch shape chamber 16 of magnetic circuit tray 7, put magnet 20 into; Armature 5 afterbodys in the magnetic circuit assembly and iron core 12 adhesives are equivalent to coil electricity and make armature 5 heads and iron core 12 adhesives, and armature 5 afterbody perks break away from yoke 6 heads; The value that dial gauge measuring head 4 is elevated is shown by nixie display 10, is armature 5 actuating length values.Repeatedly measuring error is at 0.1 μ m.Detecting a sample time was no more than for 1 second, reach fast, accurately, effect intuitively.
Utilize the utility model to detect the method for armature of relay stroke below in conjunction with Fig. 2 and Fig. 3 summary.
A, regulate the width of the level trough 15 in the middle of the magnetic circuit tray 7, make yoke 6 tail width values be a bit larger tham magnetic circuit tray 7 by-level grooves 15 width, so that the energized relay circuit part can be put into smoothly according to the width value of yoke 6 afterbodys.Measured relay yoke and armature are positioned in the circular arc arch chamber 16 of magnetic circuit tray 7; 4 projections 13 on yoke 6 lower surfaces just in time are stuck in the horizontal draw-in groove 19 of magnetic circuit tray 7 upper surfaces, make the upper surface of yoke 6 inside surfaces and magnetic circuit tray 7 develop and hold.
B, when magnet 20 not being put into magnetic circuit tray 7; Armature 5 is in not attracting state with iron core 12; The measuring head 4 that stretches out with lever indicator 1 this moment compresses the upper surface of the afterbody of armature 5; Make the upper surface of armature 5 afterbody convex closures 14 contact yokes 6, and press reset button 11 on the lever indicator 1 the numerical value zero clearing.
C, magnet 20 put into the circular arc arch chamber 16 of magnetic circuit tray 7; Make it to produce magnetic field; Armature 5 and iron core 12 are because of magnetic field dependence is in attracting state, and the measuring head 4 that again lever indicator 1 is stretched out is pressed in the afterbody of armature 5, and this moment, the displayed value of nixie display 10 was the stroke of the armature of relay.
Claims (4)
1. armature of relay device for detecting distance of travel; It is characterized in that comprising base plate, support, magnetic circuit tray, magnet and dial gauge, support stands vertically on base plate, and the magnetic circuit tray is placed on the base plate; Dial gauge is rack-mount; Described dial gauge measuring head is vertical with magnetic circuit tray upper surface, establishes the yoke and the level trough of armature that can clamp relay in the middle of the upper surface of said magnetic circuit tray, and the level trough of said magnetic circuit tray is divided into the arch chamber of the removable magnet of placement.
2. armature of relay device for detecting distance of travel according to claim 1 is characterized in that establishing vertical equity groove (15) in the middle of the said magnetic circuit tray (7), and said vertical equity groove (15) is circular arc arch chamber (16) down.
3. armature of relay device for detecting distance of travel according to claim 1, the upper surface front side that it is characterized in that said magnetic circuit tray (7) establish two with the perpendicular horizontal draw-in groove (19) of said level trough (15).
4. armature of relay device for detecting distance of travel according to claim 1; It is characterized in that said base plate (8) is a rectangular parallelepiped, magnetic circuit tray (7) is a regular cube, and cubical surfaceness is 0.8; The depth of parallelism of cubical upper and lower surfaces is 1 μ m, and the lateral vertical degree is 1.5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200042674U CN202511732U (en) | 2012-01-06 | 2012-01-06 | Relay armature stroke detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200042674U CN202511732U (en) | 2012-01-06 | 2012-01-06 | Relay armature stroke detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202511732U true CN202511732U (en) | 2012-10-31 |
Family
ID=47064212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200042674U Withdrawn - After Issue CN202511732U (en) | 2012-01-06 | 2012-01-06 | Relay armature stroke detection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202511732U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519337A (en) * | 2012-01-06 | 2012-06-27 | 宁波金海电子有限公司 | Relay armature travel detection device and method |
| CN109596256A (en) * | 2018-12-14 | 2019-04-09 | 哈尔滨工业大学 | A kind of relay inhales force test device and test method |
| CN112643275A (en) * | 2020-12-29 | 2021-04-13 | 贵州天义电器有限责任公司 | Electromagnetic drive assembly welding position device |
-
2012
- 2012-01-06 CN CN2012200042674U patent/CN202511732U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519337A (en) * | 2012-01-06 | 2012-06-27 | 宁波金海电子有限公司 | Relay armature travel detection device and method |
| CN109596256A (en) * | 2018-12-14 | 2019-04-09 | 哈尔滨工业大学 | A kind of relay inhales force test device and test method |
| CN112643275A (en) * | 2020-12-29 | 2021-04-13 | 贵州天义电器有限责任公司 | Electromagnetic drive assembly welding position device |
| CN112643275B (en) * | 2020-12-29 | 2023-01-13 | 贵州天义电器有限责任公司 | Electromagnetic drive assembly welding position device |
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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: 20121031 Effective date of abandoning: 20140716 |
|
| RGAV | Abandon patent right to avoid regrant |