CN212461533U - Railway signal filament switching relay - Google Patents

Abstract

The utility model discloses a railway signal filament transfer relay, including the relay housing, the inside middle part fixed mounting of relay housing has the iron core, and the equal fixed mounting in both sides of iron core has the coil, and one side fixed mounting of one of them coil has the iron of controlling, controls the equal fixedly connected with reference column in both sides on iron top, and the top of iron core is equipped with armature, and the both sides wall of armature all cuts a hole has the constant head tank, the utility model discloses railway signal filament transfer relay has set up two reference columns that control the iron top, and the constant head tank that cooperation armature both sides were equipped with realizes opening at armature both ends, by the inboard unilateral locate mode of two reference columns of iron of controlling, has reduced spacing stress surface quantity, when improving the environmental adaptability, has better guaranteed the flexibility of armature action, and two dotted line cutting edges that are equipped with have strengthened the stability when armature supports and moves about, have improved the reliability of, Flexibility, thereby better ensuring the safety and smoothness of railway transportation.

Description

Railway signal filament switching relay

Technical Field

The utility model relates to a relay, in particular to railway signal filament transfer relay.

Background

The railway signal machine is key equipment for commanding the train to run and ensuring the transportation safety, and in order to ensure the safety and the reliability of the railway signal machine, a 25w/12v double-filament signal incandescent bulb is adopted as a light source of the signal machine, and an AC current type double filament switching relay coil is connected in series in a main filament lighting circuit of the railway signal double filament bulb, when the main wire can be normally and directly lighted, the relay is sucked up, when the main wire can not be normally lighted, the relay falls down and contacts to connect the auxiliary wire, thereby realizing the automatic switching of the main and the auxiliary lamp filaments of the railway signal lamp bulb, because the relay is arranged beside the outdoor track, the use environment has large differences of temperature, humidity and atmospheric pressure, and large impact vibration and other severe conditions, which causes unreliable actions of the relay on site, and the signal failure that the main filament of the signal bulb is broken and the auxiliary filament can not be automatically switched to be lightened and the signal of the annunciator is turned off occurs.

Through statistical analysis of the field fault relay, the following points are found out to cause the unreliable operation of the relay:

1. the original design of the armature positioning of the filament switching relay adopts a mode of punching rectangular holes at two sides of the armature and inserting the armature into a yoke positioning column, the rotating stress surfaces of the armature are up to 4 in the mode, and the design clearance is smaller due to high positioning precision requirement, so that the clamping and blocking faults occur when the external environment changes (rises and mildews);

2. the choke iron supporting blade of the originally designed filament conversion relay is of a through structure between two positioning columns, the structure has extremely high requirement on the machining precision of the tool blade, the production process is not easy to guarantee, the requirement on the straightness of an armature iron hinged with the choke iron supporting blade is also very high, and when the work difference of the two is matched to cause a problem, the stable work of the armature iron is influenced, and larger hum is caused;

3. when the inside heat dissipation of relay is bad, accelerate the damage of inside spare part, traditional heat radiation structure is only simple fluting, can make the relay inside be in the connected state with outside for a long time like this, also can accelerate the damage of inside spare part.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a railway signal filament transfer relay to solve the easy jam trouble that proposes in the above-mentioned background art, the indisputable during operation of sloping unstable and the bad problem of heat dissipation.

In order to achieve the above object, the utility model provides a following technical scheme: railway signal filament switching relay, including the relay housing, the inside middle part fixed mounting of relay housing has the iron core, the equal fixed mounting in both sides of iron core has the coil, one of them one side fixed mounting of coil has and chokes iron, the equal fixedly connected with reference column in both sides on choking iron top, the top of iron core is equipped with armature, the constant head tank has all been dug in the both sides wall of armature, the top of relay housing is dug there is the platform shape groove, the inside block in platform shape groove is connected with the platform shape heat exchanger that looses, a plurality of L shape mounting panels of the top fixedly connected with of relay housing inner wall, it is a plurality of the equal fixedly connected with metal column of a lateral wall of L shape mounting panel.

As a preferred technical scheme of the utility model, two the reference column alternates with two constant head tanks respectively and is connected, two dotted line cutting edges of middle part fixedly connected with on choke iron top.

As a preferred technical scheme of the utility model, one side fixed mounting on armature top has the extension spring, one side fixed connection of the bottom of extension spring and relay case inner wall.

As an optimized technical scheme of the utility model, a plurality of heating panels of bottom inner wall fixedly connected with of platform shape cooling cap, it is a plurality of all cut a plurality of louvres on the heating panel.

As an optimal technical scheme of the utility model, the top fixedly connected with annular net of platform shape cooling cap outer wall, the bottom of annular net and relay case's top fixed connection.

As an optimal technical scheme of the utility model, it is a plurality of the equal fixedly connected with connecting block in top of metal column is a plurality of the top of connecting block all with the bottom fixed connection of platform shape heat dissipation lid.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses set up and controlled two reference columns on iron top, the constant head tank that cooperation armature both sides were equipped with, realize at armature both ends opening, by controlling the inboard unilateral locate mode of two reference columns of iron, reduced spacing stress surface quantity, when improving the adaptive capacity to environment, the flexibility of armature action has been guaranteed betterly, two dotted line cutting edges that are equipped with, stability when armature support and activity has been strengthened, generally speaking, the reliability of relay work has been improved, the flexibility, thereby guarantee railway transportation safety, unblocked better.

2. The utility model discloses set up the platform shape heat dissipation lid, and a plurality of metal posts of its bottom, can utilize the thermal energy to make the inside air current of leading-in relay shell, reinforcing forced air cooling heat dissipation of platform shape heat dissipation lid back-open, the design on its inclined plane when relay shell inside heat dissipation is bad.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the choke of the present invention;

fig. 5 is a schematic structural diagram of the armature of the present invention.

In the figure: 1. a relay housing; 2. a table-shaped heat dissipation cover; 3. a heat dissipation plate; 4. heat dissipation holes; 5. an endless web; 6. an iron core; 7. a coil; 8. an armature; 9. a tension spring; 10. choking iron; 11. an L-shaped mounting plate; 12. A metal post; 13. connecting blocks; 14. a dotted line blade; 15. a positioning column; 16. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a technical scheme of railway signal filament transfer relay:

according to the figures 1-5, it comprises a relay casing 1, an iron core 6 is fixedly arranged in the middle of the relay casing 1, coils 7 are fixedly arranged on both sides of the iron core 6, one side of one coil 7 is fixedly provided with a choke 10, two sides of the top end of the choke 10 are fixedly connected with positioning columns 15, the top of the iron core 6 is provided with an armature 8, two side walls of the armature 8 are respectively provided with a positioning groove 16, the top end of the relay shell 1 is provided with a table-shaped groove, the table-shaped groove is attached to an inclined surface of the table-shaped heat dissipation cover 2, the inclined surface can guide the airflow blown transversely, thereby leading-in to the platform shape groove, the reinforcing heat dissipation, the inside block in platform shape groove is connected with platform shape cooling cover 2, a plurality of L shape mounting panels 11 of the top fixedly connected with of the 1 inner wall of relay housing, the equal fixedly connected with metal post 12 of a plurality of L shape mounting panels 11's a lateral wall, metal post 12 is expanded with heat and contract with cold the reaction fast and the reaction is great.

Wherein, two reference columns 15 alternate with two constant head tanks 16 respectively and are connected, two dotted line cutting edges 14 of middle part fixedly connected with on choking 10 top, one side fixed mounting on armature 8 top has extension spring 9, one side fixed connection of the bottom of extension spring 9 and relay housing 1 inner wall, a plurality of heating panels 3 of bottom inner wall fixedly connected with of platform shape cooling cap 2, all cut a plurality of louvres 4 on a plurality of heating panels 3, louvre 4 increases the heat dissipation of heating panel 3.

Finally, the top fixedly connected with ring network 5 of 2 outer walls of platform shape cooling lid, ring network 5 is made for elastic material, keep the smooth lift of platform shape cooling lid 2, shelter from the gap between platform shape cooling lid 2 and the platform shape groove simultaneously, in order to avoid the foreign matter to get into relay housing 1, the bottom of ring network 5 and the top fixed connection of relay housing 1, the equal fixedly connected with connecting block 13 in top of a plurality of metal columns 12, the top of a plurality of connecting blocks 13 all with the bottom fixed connection of platform shape cooling lid 2.

When the railway signal filament switching relay is used, when a coil 7 passes through filament current, a magnetic circuit formed by a choke 10, an iron core 6 and an armature 8 generates electromagnetic suction between the iron core 6 and the armature 8, the armature 8 overcomes the tension of a tension spring 9 under the action of the suction, under the control of a positioning column 15 of the choke 10, two dotted line cutting edges 14 of the choke 10 are taken as axes to be attracted to the iron core 6 and drive a movable contact and a normally open stationary contact to be closed, so that the attraction process of the relay is realized, when the relay coil 7 has no filament current, the iron core 6 loses electromagnetic force, the armature 8 pulls the armature 8 away from the iron core 6 under the action of the tension spring 9, the armature 8 drives the movable contact and the normally closed stationary contact to be closed, so that the relay falls down, when the relay is normally used, a plurality of heat dissipation plates 3 can conduct heat generated inside a relay shell 1, the reinforcing heat dissipation, if the inside temperature of relay housing 1 risees gradually, can make a plurality of metal posts 12 take place the thermal energy, thereby open 2 backs of platform shape cooling lid, relay housing 1 and outside intercommunication, blow to the air current of platform shape cooling lid 2, can enter into relay housing 1 through the platform shape groove under the water conservancy diversion on its inclined plane, reinforcing air-cooled radiating effect, after the temperature decline, shrink behind a plurality of metal posts 12 become normal form, with platform shape cooling lid 2 drop-down, reinforcing and the sealed effect between the platform shape groove.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Railway signal filament switching relay, including relay case (1), its characterized in that: the inside middle part fixed mounting of relay housing (1) has iron core (6), the equal fixed mounting in both sides of iron core (6) has coil (7), one of them one side fixed mounting of coil (7) has a hole (10), the equal fixedly connected with reference column (15) in both sides on hole (10) top, the top of iron core (6) is equipped with armature (8), constant head tank (16) have all been dug to the both sides wall of armature (8), the top of relay housing (1) is dug there is the platform shape groove, the inside block in platform shape groove is connected with platform shape heat exchanger (2), a plurality of L shape mounting panels (11) of the top fixedly connected with of relay housing (1) inner wall, it is a plurality of the equal fixedly connected with metal post (12) of a lateral wall of L shape mounting panel (11).

2. The railway signal filament transfer relay of claim 1, wherein: two the reference column (15) are respectively with two constant head tank (16) interlude and are connected, the middle part fixedly connected with two dotted line cutting edges (14) on choke (10) top.

3. The railway signal filament transfer relay of claim 1, wherein: one side fixed mounting on armature (8) top has extension spring (9), one side fixed connection of the bottom and relay housing (1) inner wall of extension spring (9).

4. The railway signal filament transfer relay of claim 1, wherein: the bottom inner wall fixedly connected with of platform shape cooling cover (2) is a plurality of heating panels (3), and is a plurality of all cut a plurality of louvres (4) on heating panel (3).

5. The railway signal filament transfer relay of claim 1, wherein: the top of the outer wall of the table-shaped heat dissipation cover (2) is fixedly connected with an annular net (5), and the bottom end of the annular net (5) is fixedly connected with the top end of the relay shell (1).

6. The railway signal filament transfer relay of claim 1, wherein: a plurality of equal fixedly connected with connecting block (13) in the top of metal column (12), it is a plurality of the top of connecting block (13) all with the bottom fixed connection of platform shape heat dissipation lid (2).

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