Relay

Abstract

The utility model discloses a relay, which comprises a relay shell and a relay cover connected with the relay shell, a fixed connecting piece, a spring piece and an electromagnet driving part used for driving the spring piece to be attached to or disconnected from the fixed connecting piece are arranged in the relay shell, the spring piece is connected with a spring piece connecting piece, and the spring piece connecting piece is fixedly connected with the relay shell; the fixed connecting piece is provided with a first connecting terminal, the spring piece connecting piece is provided with a second connecting terminal and a diverter terminal, and the first connecting terminal, the second connecting terminal and the diverter terminal penetrate through the relay cover and extend to the outside of the relay cover. The circuit terminals and the signal terminals are arranged perpendicular to the element arrangement plane, so that the path length of the terminals is greatly reduced, the arrangement difficulty of the terminals is also reduced, and the relay is small in size and small in occupied space.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay technology field, concretely is a kind of relay. BACKGROUND

[0002] Relay is an electric control device, is when the change of input reaches specified requirement, in electrical output circuit makes the controlled quantity occur predetermined step change one kind of electric appliance. It has the interactive relationship between control system (also called input loop) and controlled system (also called output loop). Usually applied in the control circuit of automation, it is actually used small current to control large current operation a kind of " automatic switch ".

[0003] The existing relay structure often has multiple connection terminals, and these connection terminals are all extended to the outside of the relay through the side wall of the relay. Since the components inside the relay are arranged in a plane, these terminals need to be extended out of the plane, avoiding adjacent components, which can lead to complex structure and large overall space occupation. SUMMARY

[0004] The utility model aims at providing a kind of relay to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of relay, including relay shell and the relay cover connected with the relay shell, the fixed connecting piece, spring piece and the electromagnet drive part for driving spring piece and the fixed connecting piece are attached or disconnected are arranged in the relay shell, the spring piece connecting piece is connected, and the spring piece connecting piece is fixedly connected with the relay shell;

[0007] First connection terminal is provided on the fixed connecting piece, second connection terminal, shunt terminal are provided on the spring piece connecting piece, and the first connection terminal, second connection terminal, shunt terminal pass through the relay cover and extend to the outside of the relay cover.

[0008] As a further scheme of the utility model: the relay shell is the rectangular box structure of upper end opening, and the relay shell and the relay cover are detachably connected by connecting buckle.

[0009] As a further scheme of the utility model: the installation groove for installing fixed connecting piece, spring piece connecting piece is arranged in the relay shell, and the installation fixed connecting piece, spring piece connecting piece is fixedly connected with the relay shell by corresponding installation groove.

[0010] As a further scheme of the utility model: the fixed connection sheet is provided with a static contact point at one end close to the spring sheet, the spring sheet is provided with a dynamic contact point at a position close to the static contact point, and one end of the spring sheet away from the dynamic contact point is fixedly connected with the spring sheet connecting sheet.

[0011] As a further scheme of the utility model: the electromagnet driving portion comprises a permanent magnet rotatably connected in the relay shell, an electromagnet for driving the permanent magnet to rotate is arranged in the relay shell, one end of the permanent magnet is dynamically connected with a push sheet, the push sheet is slidably connected with the relay shell, and one end of the push sheet away from the permanent magnet is dynamically connected with the spring sheet.

[0012] As a further scheme of the utility model: the electromagnet comprises a coil fixedly connected in the relay shell, an iron core is arranged in the coil, magnetic pole attraction ends are arranged at both ends of the iron core, first attraction end feet and second attraction end feet are arranged at both ends of the permanent magnet, and the magnetic pole attraction ends extend between the first attraction end feet and the second attraction end feet.

[0013] As a further scheme of the utility model: a coil connecting terminal is arranged on the coil, the coil connecting terminal passes through the relay cover and extends to the outside of the relay cover.

[0014] As a further scheme of the utility model: the first attraction end foot or the second attraction end foot is connected with an armature push-pull rod, and the other end of the armature push-pull rod is dynamically connected with the push sheet.

[0015] As a further scheme of the utility model: the permanent magnet is rotatably connected with the relay shell through an armature rotating shaft, an armature support plate is arranged at one end of the permanent magnet close to the relay cover, the armature support plate is fixedly connected with the relay shell, and the permanent magnet is rotatably connected with the armature support plate.

[0016] As a further scheme of the utility model: a switch detection sensor is arranged in the relay shell, the switch detection sensor is located at a position close to the end of the permanent magnet, the switch detection sensor is a Hall sensor, and a sensor terminal of the switch detection sensor extends to the outside of the relay cover through the relay cover.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The circuit terminal and the signal terminal are arranged vertically to the element arrangement plane, so that the connecting terminal jumps out of the arrangement plane, the problem of interference between different terminals and elements is avoided, the path length of the terminal is greatly reduced, the arrangement difficulty of the terminal is also reduced, the relay has small volume and occupies small space. Attached Figure Description

[0019] Fig. 1 This is a side view of the relay in this application;

[0020] Fig. 2 , Fig. 3 This is a schematic diagram of the internal structure of the relay in this embodiment;

[0021] In the diagram: 1-Relay housing, 2-Relay cover, 3-Connecting buckle, 4-Coil, 5-Coil connection terminal, 6-Fixed connecting piece, 7-Mounting slot, 8-Spring connecting piece, 9-Spring piece, 10-Static contact, 11-Moving contact, 12-Magnetic pole engaging end, 13-Permanent magnet, 14-Push piece, 15-Switch detection sensor, 16-First connecting terminal, 17-Second connecting terminal, 18-Shunting terminal, 19-Armature support plate, 20-Armature shaft, 21-Armature push-pull rod, 22-First engaging end foot, 23-Second engaging end foot. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figs. 1-3 In this embodiment of the utility model, a relay includes a relay housing 1 and a relay cover 2 connected to the relay housing 1. The relay housing 1 is a rectangular box-shaped structure with an opening at the top. The relay housing 1 and the relay cover 2 are detachably connected by a connecting buckle 3.

[0024] The relay housing 1 is provided with a fixed connecting piece 6, a spring piece 9, and an electromagnet driving part for driving the spring piece 9 to engage or disengage with the fixed connecting piece 6. The relay housing 1 is provided with a mounting groove 7 for mounting the fixed connecting piece 6 and the spring piece connecting piece 8. The fixed connecting piece 6 and the spring piece connecting piece 8 are fixedly connected to the relay housing 1 through their respective mounting grooves 7.

[0025] The spring sheet 9 is connected to the spring sheet connecting piece 8, which is fixedly connected to the relay housing 1. The fixed connecting piece 6 has a stationary contact 10 at one end near the spring sheet 9, and a moving contact 11 is located at the position of the spring sheet 9 near the stationary contact 10. The end of the spring sheet 9 away from the moving contact 11 is fixedly connected to the spring sheet connecting piece 8.

[0026] The electromagnet driving part comprises a permanent magnet 13 rotatably connected in the relay shell 1. In the embodiment, the permanent magnet 13 is connected with two armature rotating shafts 20 above and below, and is connected with the relay shell 1 and an armature support plate 19 through the two armature rotating shafts 20 above and below. The permanent magnet 13 is provided with the armature support plate 19 at one end close to the relay cover 2, the armature support plate 19 is fixedly connected with the relay shell 1, and the permanent magnet 13 is rotatably connected with the armature support plate 19.

[0027] The relay shell 1 is provided with an electromagnet for driving the permanent magnet 13 to rotate. The permanent magnet 13 is connected with a push piece 14 at one end, the push piece 14 is slidably connected with the relay shell 1, the push piece 14 is connected with the spring piece 9 at an end away from the permanent magnet 13, the electromagnet comprises a coil 4 fixedly connected in the relay shell 1, the coil 4 is provided with an iron core, both ends of the iron core are provided with magnetic pole attraction ends 12, both ends of the permanent magnet 13 are provided with a first attraction end foot 22 and a second attraction end foot 23, the first attraction end foot 22 and the second attraction end foot 23 are patches connected on positive and negative magnetic poles of the permanent magnet 13, the magnetic pole attraction ends 12 extend between the first attraction end foot 22 and the second attraction end foot 23, the first attraction end foot 22 or the second attraction end foot 23 is connected with an armature push-pull rod 21, and the other end of the armature push-pull rod 21 is connected with the push piece 14.

[0028] The fixed connection piece 6 is provided with a first connection terminal 16, the spring piece connection piece 8 is provided with a second connection terminal 17 and a shunt terminal 18, the first connection terminal 16, the second connection terminal 17 and the shunt terminal 18 pass through the relay cover 2 and extend to the outside of the relay cover 2. In the embodiment, the first connection terminal 16 is an output terminal, the second connection terminal 17 is an input terminal, and the shunt terminal 18 is provided with two manganese-copper shunt detection terminals, both of which are fixedly connected on the spring piece connection piece 8, so that the current passing through can be detected through the two expensive manganese-copper shunt detection terminals. The coil 4 is provided with a coil connection terminal 5, the coil connection terminal 5 passes through the relay cover 2 and extends to the outside of the relay cover 2, the relay shell 1 is provided with a switch detection sensor 15, the switch detection sensor 15 is located at a position close to the end of the permanent magnet 13, the switch detection sensor 15 is a Hall sensor, and a sensor terminal of the switch detection sensor 15 passes through the relay cover 2 and extends to the outside of the relay cover 2.

[0029] The utility model discloses a coil terminal is added positive and negative pulse voltage in use, and then there is current (voltage direction different current is different) in coil, and the both ends of the core in coil will produce two magnetic fields (respectively N pole and S pole) of opposite directions, that is, two magnetic poles will produce N pole and S pole respectively, at this moment, the N pole and S pole of permanent magnet on both sides will produce attraction and thrust with the magnetic pole of coil core respectively, and the permanent magnet is rotated, and then the armature push -pull rod 21 of one end of permanent magnet 13 pushes the push piece 14 horizontal movement, when the push piece 14 horizontal movement, will push the one end horizontal movement of spring piece 9, and then can make the movable contact 11 and fixed contact 10 adhere or separate, according to different relay requirement, can set the structure of normally closed or normally open.

[0030] In addition, the first connecting terminal 16, the second connecting terminal 17, the shunt terminal 18, the terminal of the switch detection sensor 15, and the coil connecting terminal 5 of the application are all arranged perpendicularly to the relay cover 2 and extend through the relay cover 2 to the outside of the relay. Compared with the conventional structure extending from the side wall of the relay housing, this arrangement can save installation space, and the switch detection sensor provided is a Hall sensor, which can determine the on-off state of the switch by detecting the magnetic field, and can detect and determine the on-off state of the switch under the condition that both ends have voltage.

[0031] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0032] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A relay comprising a relay housing (1) and a relay cover (2) connected to the relay housing (1), characterized in that The relay shell (1) is provided with a fixed connecting piece (6), a spring piece (9) and an electromagnet driving part for driving the spring piece (9) to be attached to or separated from the fixed connecting piece (6), the spring piece (9) is connected with a spring piece connecting piece (8), and the spring piece connecting piece (8) is fixedly connected with the relay shell (1); The fixed connecting piece (6) is provided with a first connecting terminal (16), the spring piece connecting piece (8) is provided with a second connecting terminal (17) and a shunt terminal (18), and the first connecting terminal (16), the second connecting terminal (17) and the shunt terminal (18) pass through the relay cover (2) and extend to the outside of the relay cover (2).

2. A relay according to claim 1, characterized in that The relay shell (1) is a rectangular box-shaped structure with an open upper end, and the relay shell (1) is detachably connected with the relay cover (2) through a connecting buckle (3).

3. A relay according to claim 1, wherein The relay shell (1) is provided with a mounting groove (7) for mounting the fixed connecting piece (6) and the spring piece connecting piece (8), and the fixed connecting piece (6) and the spring piece connecting piece (8) are fixedly connected with the relay shell (1) through corresponding mounting grooves (7).

4. A relay according to claim 1, wherein The fixed connecting piece (6) is provided with a static contact (10) near one end of the spring piece (9), the spring piece (9) is provided with a moving contact (11) near the static contact (10), and one end of the spring piece (9) away from the moving contact (11) is fixedly connected with the spring piece connecting piece (8).

5. A relay according to claim 1, wherein The electromagnet driving part comprises a permanent magnet (13) rotatably connected in the relay shell (1), the relay shell (1) is provided with an electromagnet for driving the permanent magnet (13) to rotate, one end of the permanent magnet (13) is drivingly connected with a push piece (14), the push piece (14) is slidingly connected with the relay shell (1), and one end of the push piece (14) away from the permanent magnet (13) is drivingly connected with the spring piece (9).

6. A relay according to claim 5, wherein The electromagnet comprises a coil (4) fixedly connected in the relay shell (1), the coil (4) is provided with an iron core, both ends of the iron core are provided with magnetic pole attraction ends (12), both ends of the permanent magnet (13) are provided with a first attraction end foot (22) and a second attraction end foot (23), and the magnetic pole attraction ends (12) extend between the first attraction end foot (22) and the second attraction end foot (23).

7. A relay according to claim 6, wherein The coil (4) is provided with a coil connecting terminal (5), and the coil connecting terminal (5) passes through the relay cover (2) and extends to the outside of the relay cover (2).

8. A relay according to claim 6, wherein The first attraction end foot (22) or the second attraction end foot (23) is connected with an armature push-pull rod (21), and the other end of the armature push-pull rod (21) is drivingly connected with the push piece (14).

9. A relay according to claim 5, wherein The middle part of the permanent magnet (13) is rotatably connected with the relay shell (1) through an armature rotating shaft (20), one end of the permanent magnet (13) close to the relay cover (2) is provided with an armature support plate (19), the armature support plate (19) is fixedly connected with the relay shell (1), and the permanent magnet (13) is rotatably connected with the armature support plate (19).

10. A relay according to claim 5, wherein A switch detection sensor (15) is arranged in the relay shell (1), the switch detection sensor (15) is located close to the end of the permanent magnet (13), the switch detection sensor (15) is a Hall sensor, and a sensor terminal of the switch detection sensor (15) extends to the outside of the relay cover (2) through the relay cover (2).

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