CN202042423U - Railway signal safety direct-current slow-pickup neutral electromagnetic relay - Google Patents
Railway signal safety direct-current slow-pickup neutral electromagnetic relay Download PDFInfo
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- CN202042423U CN202042423U CN2011200841282U CN201120084128U CN202042423U CN 202042423 U CN202042423 U CN 202042423U CN 2011200841282 U CN2011200841282 U CN 2011200841282U CN 201120084128 U CN201120084128 U CN 201120084128U CN 202042423 U CN202042423 U CN 202042423U
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- damping ring
- yoke
- armature
- electromagnetic relay
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Abstract
The utility model discloses a railway signal safety direct-current slow-pickup neutral electromagnetic relay, which comprises a bakelite base, an outer cover, a type cap, a direct-current electromagnetic system, a contact system and a carrying handle. The direct-current electromagnetic system comprises a coil wound on a coil rack and an iron core penetrating through the coil rack; a yoke is mounted above the coil rack; an armature in a shape similar to an 'L' shape is fixed onto a yoke blade through a dished steel wire clamp; a damping ring is mounted on an armature section positioned on the lateral surface of the yoke; and a counter weight piece is connected onto the bottom surface of an armature section positioned above the yoke. The contact system comprises a contact rack, a lower stop piece, a power piece unit, a silver tipped contact unit, a movable contact unit and a pressing piece, wherein the contact rack is connected with the yoke through first screws, the lower stop piece, the power piece unit, the silver tipped contact unit, the movable contact unit and the pressing piece are sequentially connected above the contact rack through second screws, and the movable contact unit is connected with a push rod through a movable contact shaft and an insulating shaft. The railway signal safety direct-current slow-pickup neutral electromagnetic relay is reasonable in design, convenient in field installation, high in interference resistance, high in sensitivity, safe and reliable in use, low in production cost and convenient in popularization and use.
Description
Technical field
The utility model relates to a kind of electromagnetic relay, especially relates to a kind of electrodeless slow suction electromagnetic relay of railway signal safety-type direct current that is applied in the high-voltage pulse track circuit.
Background technology
The slow electromagnetic relay type of inhaling of internal security type is more, but the relay time response all can not reach Europe superscript.As the JWXC-H310 type electromagnetic relay that track circuit is used, it produces induced current with copper sheathing and finishes slow the suction, inhales 0.4S though it can delay, the slow amplification in 0.8S.Europe superscript is meant Britain railway signaling BR-933 slow-acting relay electrical standard, and power supply is DC24V, and working value is 19.2V, and releasing value is 3.6V, and slow the suction greater than the slow 400ms of putting delayed and inhaled 0.6S, slow putting 0.2 second; As the track repeater relay, require two gradeds to handle, make slow the suction greater than 0.8S.
In the prior art, the slow time response of inhaling electromagnetic relay of safety-type mainly can realize by two class methods.The first kind is the method that increases the RC resistance-capacitance circuit, and second class is the method for reform relay construction.Increase the RC resistance-capacitance circuit and can obtain the slow arbitrarily slow release time of inhaling at an easy rate, circuit is simple, but be subjected to the restriction of a lot of conditions the useful life of alminium electrolytic condenser in its charging and discharging circuit, even under optimum operational environment, only be about 200,000 hours useful life reliably.Moreover the RC resistance-capacitance circuit easily causes time integral, makes the slow slow release time of inhaling that error be arranged.In the prior art, realize that by the structure of reforming relay the slow electromagnetic relay of inhaling mainly contains 4 kinds of methods again: 1, change and end sheet (δ between armature and core magnetic pole
0) thickness, to change the lowering time of relay, end sheet and thicken, lowering time reduces; End the sheet attenuate, lowering time increases; 2, magnetic circuit system is selected the higher ferrimagnet of resistivity p for use, thereby makes vortes interference reduce to shorten pull up time; 3, increase the diameter of winding wire under the prerequisite that guarantees working ampere turn, with this reserve factor that improves electric current, rated current is improved, the growth rate of quickening electric current makes it reduce pick-up time; 4, adding short-circuited coil on iron core sleeve copper sheathing (copper ring) or iron core makes relay reach slow suction, slow putting.Above-mentioned 4 kinds of methods, the time response of relay is changed to some extent, but based on restrictions such as existing technical merit, security reliability aspect, product cost management and control requirement and relay outward appearance, volumes, the slow suction of relay is slow puts characteristic and can't reach the European technical standards requirement.So need design to realize that a kind of slow suction more than or equal to 0.5 second, the slow safety type relay of putting less than 0.1 second, adapts to the jamproof needs of track circuit, satisfy the actual needs that use.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, provide a kind of railway signal safety-type direct current electrodeless slow suction electromagnetic relay, it is reasonable in design and be easy to realize, the slow suction slowly put characteristic and can be reached the European technical standards requirement, and on-the-spot easy for installation, anti-alternating electromagnetic interference capability is strong, highly sensitive, safe and reliable, production cost is low, and The field is extensive.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the electrodeless slow suction electromagnetic relay of a kind of railway signal safety-type direct current, comprise the bakelite base, join with the bakelite base and constitute the outer cover of a confined space with the bakelite base and be installed in the type lid of bakelite base one side lower end, be provided with direct solenoid system and the contact system that is installed in direct solenoid system top in the confined space that described bakelite base and outer cover are constituted, described direct solenoid system and contact system all join with the bakelite base, described outer cover is provided with carrying handle, it is characterized in that: described direct solenoid system comprises the coil that is wound on the bobbin and passes the iron core of bobbin, the top of described bobbin is equipped with yoke, the armature that similar " L " shape is arranged surely by dish-shaped wire clamping on the blade of described yoke, one end of described armature is positioned at the side of yoke, the other end of described armature is positioned at the top of yoke, be positioned on one section armature of yoke side damping ring is installed, the running part that the one section armature that is positioned at the yoke top is armature and on its bottom surface, be fixedly connected with the weight sheet; Described contact system comprises the contact bracket that joins by screw one and yoke and by screw two be linked in sequence lower dead flake, power supply blade unit, silver tipped contact unit, movable contact unit and compressing tablet above contact bracket, described silver tipped contact unit and movable contact unit are a plurality of and intersect mutually up and down and install, described movable contact unit and movable contact axle join, and described movable contact axle joins with push rod by the insulation axle.
The electrodeless slow suction electromagnetic relay of above-mentioned railway signal safety-type direct current, it is characterized in that: described damping ring embeds and is installed on the medial surface of the one section armature that is positioned at the yoke side, and the lateral surface of described armature is provided with and is used to pass armature and damping ring is fixed on copper rivet on the armature.
The electrodeless slow suction electromagnetic relay of above-mentioned railway signal safety-type direct current is characterized in that: described damping ring is silver-colored damping ring, copper damping ring or the aluminium damping ring of annular.
The electrodeless slow suction electromagnetic relay of above-mentioned railway signal safety-type direct current, it is characterized in that: the internal diameter of described damping ring is 10mm-18mm, and the external diameter of described damping ring is 24mm-32mm, and the thickness of described damping ring is 1mm-4mm.
The electrodeless slow suction electromagnetic relay of above-mentioned railway signal safety-type direct current, it is characterized in that: the internal diameter of described damping ring is 14mm, and the external diameter of described damping ring is 28mm, and the thickness of described damping ring is 2.5mm.
The utility model compared with prior art has the following advantages:
1, the utility model just can be realized by on the armature in the existing electrodeless slow discharge magnetic relay of safety-type direct current damping ring being installed, product reformation is simple, be easy to realize, do not change the coil parameter and the main mechanical property of original product, but make the electromagnetic relay after improving to reach in the Europe superscript to the slow requirement of putting characteristic of the slow suction of electromagnetic relay, reasonable in design, on-the-spot easy for installation, do not need to readjust existing track circuit and functional after the installation.
2, the anti-alternating electromagnetic interference capability of the utility model is strong, and when direct tie-in line bag was disturbed in the electrification traction that exchanges 50Hz, 1000V, the contact of this electromagnetic relay can keep not malfunction.
3, the utility model inserts when using in the track circuit, and delay time is reasonable in design, and is safe and reliable.
4, manufacturing of the present utility model, production cost are low, filled up the blank that the electrodeless slow suction electromagnetic relay of no railway signals security type direct current is used in the prior art, The field is extensive, and the occasion of using track circuit repeater at track section can substitute with the utility model.
In sum, the utility model is reasonable in design and be easy to realize, the slow suction slowly put characteristic and can be reached the European technical standards requirement, and on-the-spot easy for installation, anti-alternating electromagnetic interference capability is strong, highly sensitive, safe and reliable, and production cost is low, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the front view of the utility model direct solenoid system and contact system.
Fig. 2 is the left view of the utility model direct solenoid system and contact system.
Fig. 3 is an installation diagram of the present utility model.
Fig. 4 embeds the structural representation that is installed in the armature for the utility model damping ring.
Fig. 5 is the mounting structure schematic diagram of the utility model damping ring, armature and weight sheet.
Description of reference numerals:
1-electromagnetic system coil; The 2-iron core; 3-armature;
4-butterfly steel wire card; The 5-yoke; 6-weight sheet;
The 7-contact bracket; 8-1-screw one; 8-2-screw two;
The 9-bobbin; 10-ends sheet; 11-power supply blade unit;
12-silver tipped contact unit; 13-movable contact unit; The 14-compressing tablet;
The 15-push rod; 16-insulate the axle; 17-movable contact axle;
18-bakelite base; 19-type lid; The 20-outer cover;
The 21-carrying handle; The 22-copper rivet; The 23-damping ring.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model comprises bakelite base 18, join with bakelite base 18 and constitute the outer cover 20 of a confined space with bakelite base 18 and be installed in the type lid 19 of bakelite base 18 1 side lower ends, be provided with direct solenoid system and the contact system that is installed in direct solenoid system top in the confined space that described bakelite base 18 and outer cover 20 are constituted, described direct solenoid system and contact system all join with bakelite base 18, described outer cover 20 is provided with carrying handle 21, described direct solenoid system comprises coil 1 that is wound on the bobbin 9 and the iron core 2 that passes bobbin 9, the top of described bobbin 9 is equipped with yoke 5, be fixed with the armature 3 of similar " L " shape on the blade of described yoke 5 by dish-shaped steel wire card 4, one end of described armature 3 is positioned at the side of yoke 5, the other end of described armature 3 is positioned at the top of yoke 5, be positioned on one section armature 3 of yoke 5 sides damping ring 23 is installed, the one section armature 3 that is positioned at yoke 5 tops is fixedly connected with weight sheet 6 for the running part of armature 3 and on its bottom surface; Described contact system comprises the contact bracket 7 that joins by screw one 8-1 and yoke 5 and by screw two 8-2 be linked in sequence lower dead flake 10, power supply blade unit 11, silver tipped contact unit 12, movable contact unit 13 and compressing tablet 14 above contact bracket 7, described silver tipped contact unit 12 and movable contact unit 13 are a plurality of and intersect mutually up and down and install, described movable contact unit 13 joins with movable contact axle 17, and described movable contact axle 17 joins with push rod 15 by insulation axle 16.
In conjunction with Fig. 4 and Fig. 5, in the present embodiment, described damping ring 23 embeds and is installed on the medial surface of the one section armature 3 that is positioned at yoke 5 sides, and the lateral surface of described armature 3 is provided with and is used to pass armature 3 and damping ring 23 is fixed on copper rivet 22 on the armature 3.Silver-colored damping ring, copper damping ring or aluminium damping ring that described damping ring 23 is an annular.The internal diameter of described damping ring 23 is 10mm-18mm, and the external diameter of described damping ring 23 is 24mm-32mm, and the thickness of described damping ring 23 is 1mm-4mm.Preferably, the internal diameter of described damping ring 23 is 14mm, and the external diameter of described damping ring 23 is 28mm, and the thickness of described damping ring 23 is 2.5mm.For example, can easily this damping ring 23 be embedded in the armature of the electrodeless slow discharge magnetic relay of safety-type direct current that model is JWXC-H340.
In the utility model,, utilize the principle of electromagnetic damping, changed the time response of electromagnetic relay by being positioned at installation damping ring 23 on one section armature 3 of yoke 5 sides.In electromagnetic relay excitation moment, increased dynamic magnetic resistance, changed the distribution of magnetic flux, reduce the pace of change that the work magnetic flux increases, thereby strengthened slow pick up time; In relay loss of excitation moment, weaken again with magnetic potential because damping action is quickened flux decay, when making outage 23 pairs of relay time responses influences of damping ring bigger, destroyed the slow playing function of former relay, reduced slow release time.Slow inhale slow release time and damping ring 23 sizes, thin and thick is relevant, size, the thin and thick of damping ring 23 influence each other, restricting the slow suction slow release time of electromagnetic relay,, making electromagnetic relay reach the slow specification requirement of putting 0.4S of inhaling greater than slow according to the adjustment of damping ring 23 mechanical dimensions.
Being to embed the thick 2.5mm of being in the armature of the electrodeless slow discharge magnetic relay of safety-type direct current of JWXC-H340 in model, internal diameter is 14mm, external diameter is that the annular copper damping ring of 28mm is an example, annular copper damping ring all changes the slow value of putting of the slow suction of former electromagnetic relay to some extent, slow pick up time has increased to more than the 0.5S from 0.3S, slow release time has reduced to below the 0.1S from 0.5S, coil resistance is 170 Ω * 2, load voltage value is direct current 24V, releasing value is not less than 13V, working value is not more than 19.5V, at dc switch modular power source output voltage is under the condition of 24V ± 5%, can be greater than 1,000,000 reliably workings.
In sum, the utility model is reasonable in design and be easy to realize, the slow suction slowly put characteristic and can be reached the European technical standards requirement, on-the-spot easy for installation, anti-alternating electromagnetic interference capability is strong, highly sensitive, safe and reliable, for railway systems provide a kind of that do not have originally, independent, special-purpose slow electrodeless slow suction electromagnetic relay of railway signal safety-type direct current of inhaling function.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection range of technical solutions of the utility model according to the utility model technical spirit.
Claims (5)
1. electrodeless slow suction electromagnetic relay of railway signal safety-type direct current, comprise bakelite base (18), the type that joins with bakelite base (18) and constitute the outer cover (20) of a confined space with bakelite base (18) and be installed in bakelite base (18) one side lower ends covers (19), be provided with direct solenoid system and the contact system that is installed in direct solenoid system top in the confined space that described bakelite base (18) and outer cover (20) are constituted, described direct solenoid system and contact system all join with bakelite base (18), described outer cover (20) is provided with carrying handle (21), it is characterized in that: described direct solenoid system comprises coil (1) that is wound on the bobbin (9) and the iron core (2) that passes bobbin (9), the top of described bobbin (9) is equipped with yoke (5), be fixed with the armature (3) of similar " L " shape on the blade of described yoke (5) by dish-shaped steel wire card (4), one end of described armature (3) is positioned at the side of yoke (5), the other end of described armature (3) is positioned at the top of yoke (5), be positioned on one section armature (3) of yoke (5) side damping ring (23) is installed, the one section armature (3) that is positioned at yoke (5) top is for the running part of armature (3) and be fixedly connected with weight sheet (6) on its bottom surface; Described contact system comprises the contact bracket (7) that joins by screw one (8-1) and yoke (5) and by screw two (8-2) be linked in sequence lower dead flake (10), power supply blade unit (11), silver tipped contact unit (12), movable contact unit (13) and compressing tablet (14) above contact bracket (7), described silver tipped contact unit (12) and movable contact unit (13) are a plurality of and intersect mutually up and down and install, described movable contact unit (13) joins with movable contact axle (17), and described movable contact axle (17) joins by insulation axle (16) and push rod (15).
2. according to the electrodeless slow suction electromagnetic relay of the described railway signal safety-type of claim 1 direct current, it is characterized in that: described damping ring (23) embeds and to be installed on the medial surface of the one section armature (3) that is positioned at yoke (5) side, and the lateral surface of described armature (3) is provided with and is used to pass armature (3) and damping ring (23) is fixed on copper rivet (22) on the armature (3).
3. according to claim 1 or the electrodeless slow suction electromagnetic relay of 2 described railway signal safety-type direct currents, it is characterized in that: described damping ring (23) is the silver-colored damping ring of annular, copper damping ring or aluminium damping ring.
4. according to the electrodeless slow suction electromagnetic relay of the described railway signal safety-type of claim 3 direct current, it is characterized in that: the internal diameter of described damping ring (23) is 10mm-18mm, the external diameter of described damping ring (23) is 24mm-32mm, and the thickness of described damping ring (23) is 1mm-4mm.
5. according to the electrodeless slow suction electromagnetic relay of the described railway signal safety-type of claim 4 direct current, it is characterized in that: the internal diameter of described damping ring (23) is 14mm, and the external diameter of described damping ring (23) is 28mm, and the thickness of described damping ring (23) is 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200841282U CN202042423U (en) | 2011-03-26 | 2011-03-26 | Railway signal safety direct-current slow-pickup neutral electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200841282U CN202042423U (en) | 2011-03-26 | 2011-03-26 | Railway signal safety direct-current slow-pickup neutral electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202042423U true CN202042423U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200841282U Expired - Fee Related CN202042423U (en) | 2011-03-26 | 2011-03-26 | Railway signal safety direct-current slow-pickup neutral electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202042423U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701091A (en) * | 2013-12-04 | 2015-06-10 | 沈阳工业大学 | Novel railway signal relay contact system |
| IT201600069096A1 (en) * | 2016-07-04 | 2018-01-04 | Carlo Gavazzi Automation S P A | CONTACT GROUP FOR RELAYS FOR RAILWAY SIGNALS AND RELAYS FOR RAILWAY SIGNALS USING THE SAME |
| CN107799357A (en) * | 2016-08-29 | 2018-03-13 | 西安铁路信号有限责任公司 | A kind of relay sleeving and riveting surely follows closely localization method |
-
2011
- 2011-03-26 CN CN2011200841282U patent/CN202042423U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701091A (en) * | 2013-12-04 | 2015-06-10 | 沈阳工业大学 | Novel railway signal relay contact system |
| IT201600069096A1 (en) * | 2016-07-04 | 2018-01-04 | Carlo Gavazzi Automation S P A | CONTACT GROUP FOR RELAYS FOR RAILWAY SIGNALS AND RELAYS FOR RAILWAY SIGNALS USING THE SAME |
| CN107799357A (en) * | 2016-08-29 | 2018-03-13 | 西安铁路信号有限责任公司 | A kind of relay sleeving and riveting surely follows closely localization method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20120326 |