Relay with main contact monitoring function

Abstract

The utility model discloses a relay with a main contact monitoring function, which comprises a base, a coil assembly, an auxiliary dynamic and static spring assembly and a static spring assembly, the coil assembly is arranged above the base, the auxiliary dynamic and static spring assembly is arranged above the base, the static spring assembly is arranged above the base, the coil assembly can be used for being electrified, and the coil assembly can be used for being electrified. The auxiliary dynamic and static spring assembly can be used for monitoring active points. According to the utility model, through the arrangement of the auxiliary moving and static spring assembly, when the armature moves or resets, the push rod operates along with the action of the armature, the movement of the push rod causes the movement of the auxiliary moving reed, the movement of the auxiliary moving reed causes the connection or disconnection between the auxiliary moving reed pin and the auxiliary static reed pin, and the main contact and the auxiliary contact are driven by the same mechanism. When the main contact is adhered and the mechanism does not act, the signal of the auxiliary contact can be transmitted to equipment, so that the equipment can give an emergency alarm to monitor the main contact, the potential safety hazard is reduced, and the relay can be stably used for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field related to relays, in particular to a relay with a main contact monitoring function. Background Art

[0002] A relay is an electrical control device that causes a predetermined step change in the controlled quantity in the electrical output circuit when the change in the input quantity reaches the specified requirement. Relays play roles in circuits such as automatic adjustment, safety protection, and circuit conversion. As the safety of relays in various occasions increases, it is necessary to add a monitoring function for the relay's action switching to ensure rapid feedback when the relay fails. Therefore, a relay with main contact monitoring function is needed.

[0003] The existing technology has the following deficiencies: when the existing relay is in use, it is only provided with main contacts. When the main contacts become stuck and the mechanism does not operate, the equipment cannot timely understand the status of the main contacts and cannot obtain timely information feedback, which poses a safety hazard and is not conducive to the long-term stable use of the relay. Utility Model Content

[0004] The purpose of the present utility model is to provide a relay with a main contact monitoring function to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a relay with a main contact monitoring function, comprising a base, a coil assembly, an auxiliary dynamic and static spring assembly, and a static spring assembly. The surface of the base is provided with multiple sets of matching holes, the coil assembly is installed above the base, the auxiliary dynamic and static spring assembly is installed above the base, and the static spring assembly is installed above the base. The coil assembly can be used for powering on, the auxiliary dynamic and static spring assembly can be used for monitoring the active point, and the static spring assembly can be used for switching the circuit.

[0006] As a further preferred embodiment of the present technical solution, the coil assembly includes a coil frame, an armature, lead pins, a compression spring, a yoke and a coil structure. The coil frame is detachably mounted on the top of the base, the armature is arranged above the coil frame, the lead pins are mounted on both sides of the coil frame, the compression spring is clamped and installed in the armature, the yoke is symmetrically arranged on both sides of the armature, and the coil structure is fixed by riveting after the iron core passes through the coil frame and cooperates with the yoke.

[0007] As a further preferred embodiment of the present technical solution, a matching hole is provided on the surface of the coil frame, and the lead pin passes through the base.

[0008] As a further preferred embodiment of the present technical solution, the auxiliary dynamic and static spring assembly includes an auxiliary dynamic spring foot, an auxiliary static spring foot, an auxiliary dynamic spring leaf and a push rod. The upper end of the auxiliary dynamic spring foot is tightly fitted with the matching hole on the surface of the coil frame, the upper end of the auxiliary static spring foot is tightly fitted with the matching hole on the surface of the coil frame, the auxiliary dynamic spring leaf is installed between the auxiliary dynamic spring foot and the auxiliary static spring foot, and the push rod is sleeved and installed on the outside of the auxiliary dynamic spring leaf.

[0009] As a further preferred embodiment of the present technical solution, both sides of the auxiliary dynamic spring foot and the auxiliary static spring foot are designed with plug-in barbs, the lower ends of the auxiliary dynamic spring foot and the auxiliary static spring foot are plug-in connected to the matching holes on the surface of the base, and the push rod is connected to the armature.

[0010] As a further preferred embodiment of the present technical solution, the static spring assembly includes a contact bridge, a moving point, a static spring foot and a static contact point. The contact bridge is installed at the bottom of one end of the armature, the moving point is arranged on the side wall of the contact bridge, the static spring foot is penetrated and installed at both ends of the base, and the static contact point is arranged on the side wall of the static spring foot.

[0011] As a further preferred embodiment of the present technical solution, the moving point and the static contact point are correspondingly arranged, and a shell is detachably mounted on the outside of the base.

[0012] The utility model provides a relay with a main contact monitoring function, which has the following beneficial effects:

[0013] (1) The utility model is provided with an auxiliary dynamic and static spring assembly. When the armature moves or resets, the push rod operates along with the movement of the armature. The movement of the push rod causes the auxiliary dynamic spring piece to move. The movement of the auxiliary dynamic spring piece causes the auxiliary dynamic spring foot and the auxiliary static spring foot to be connected or disconnected. The main contact and the auxiliary contact are driven by the same mechanism. When the main contact is stuck and the mechanism does not move, the signal of the auxiliary contact will be transmitted to the equipment, causing the equipment to take emergency alarm and realize the monitoring of the main contact, thereby reducing safety hazards and facilitating the long-term and stable use of the relay.

[0014] (2) The utility model is provided with a coil assembly, which can be connected to an external power supply under the setting of the lead pins. Under the setting of the coil frame, the coil structure, compression spring, yoke and armature structures can be assembled and fixed. When power is turned on, the coil structure generates magnetic force. Under the action of the magnetic force, one end of the armature moves downward. When power is turned off, the armature is reset with the cooperation of the compression spring and the yoke. When the armature moves or resets, the contact bridge operates with the movement of the armature, causing the moving point to contact or separate with the static contact, thereby realizing the conversion of the circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the shell structure of the utility model.

[0019] In the figure: 1. Base; 2. Shell; 3. Coil frame; 4. Auxiliary moving spring foot; 5. Auxiliary static spring foot; 6. Auxiliary moving spring leaf; 7. Push rod; 8. Armature; 9. Lead foot; 10. Compression spring; 11. Contact bridge; 12. Moving point; 13. Static spring foot; 14. Static contact; 15. Yoke. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 2 and Figure 3 As shown, in this embodiment, a relay with a main contact monitoring function includes a base 1, a coil assembly, an auxiliary dynamic and static spring assembly, and a static spring assembly. The surface of the base 1 is provided with multiple groups of matching holes. The coil assembly is installed above the base 1, the auxiliary dynamic and static spring assembly is installed above the base 1, and the static spring assembly is installed above the base 1. The coil assembly can be used to energize, the auxiliary dynamic and static spring assembly can be used to monitor the active point 12, and the static spring assembly can be used to convert the circuit. The auxiliary dynamic and static spring assembly includes an auxiliary dynamic spring foot 4, an auxiliary static spring foot 5, an auxiliary dynamic spring piece 6 and a push rod 7. The upper end of the auxiliary dynamic spring foot 4 is tightly fitted with the matching hole on the surface of the coil frame 3, the upper end of the auxiliary static spring foot 5 is tightly fitted with the matching hole on the surface of the coil frame 3, and the auxiliary dynamic spring piece 6 is installed on the auxiliary dynamic spring foot. Between the spring foot 4 and the auxiliary static spring foot 5, the push rod 7 is sleeved and installed on the outside of the auxiliary dynamic spring piece 6. The auxiliary dynamic spring foot 4 and the auxiliary static spring foot 5 are designed with plug-in barbs on both sides. The lower ends of the auxiliary dynamic spring foot 4 and the auxiliary static spring foot 5 are plug-in connected with the matching holes on the surface of the base 1. The push rod 7 is connected with the armature 8. When the armature 8 moves or resets, the push rod 7 operates with the movement of the armature 8. The movement of the push rod 7 causes the auxiliary dynamic spring piece 6 to move. The movement of the auxiliary dynamic spring piece 6 causes the auxiliary dynamic spring foot 4 to be connected or disconnected with the auxiliary static spring foot 5. The main contacts and the auxiliary contacts are driven by the same mechanism. When the main contacts are stuck and the mechanism does not move, the signal of the auxiliary contact will be transmitted to the equipment, so that the equipment will take emergency alarm and realize the monitoring of the main contacts, which reduces safety hazards and is conducive to the long-term and stable use of the relay.

[0022] like Figure 2 and Figure 3As shown, the coil assembly includes a coil frame 3, an armature 8, a lead pin 9, a compression spring 10, a yoke 15 and a coil structure. The coil frame 3 is detachably mounted on the top of the base 1, the armature 8 is arranged above the coil frame 3, the lead pins 9 are mounted on both sides of the coil frame 3, the compression spring 10 is clamped and installed in the armature 8, and the yoke 15 is symmetrically arranged on both sides of the armature 8. The coil structure passes through the coil frame 3 through the iron core and is riveted to the yoke 15. A matching hole is opened on the surface of the coil frame 3, and the lead pin 9 passes through the base 1. Under the setting of the lead pin 9, it can be connected to an external power supply. Under the setting of the coil frame 3, the coil structure, compression spring 10, yoke 15 and armature 8 and other structures can be assembled and fixed. When power is turned on, the coil structure is energized to generate magnetic force. Under the action of the magnetic force, one end of the armature 8 moves downward. When power is turned off, the armature 8 is reset under the cooperation of the compression spring 10 and the yoke 15.

[0023] like Figure 2 and Figure 4 As shown, the static spring assembly includes a contact bridge 11, a moving point 12, a static spring foot 13 and a static contact 14. The contact bridge 11 is installed at the bottom of one end of the armature 8, and the moving point 12 is arranged on the side wall of the contact bridge 11. The static spring foot 13 is penetrated and installed at both ends of the base 1, and the static contact 14 is arranged on the side wall of the static spring foot 13. The moving point 12 and the static contact 14 are arranged correspondingly. The shell 2 is detachably installed on the outside of the base 1. When the armature 8 moves or resets, the contact bridge 11 operates with the movement of the armature 8, causing the moving point 12 to contact or separate from the static contact 14, thereby realizing the conversion of the circuit.

[0024] The utility model provides a relay with main contact monitoring function, and the specific working principle is as follows:

[0025] When using this relay, the coil assembly is provided and can be connected to an external power supply under the setting of the lead pin 9. Under the setting of the coil frame 3, the coil structure, the compression spring 10, the yoke 15 and the armature 8 and other structures can be assembled and fixed. When the power is turned on, the coil structure is energized to generate magnetic force. Under the action of the magnetic force, one end of the armature 8 moves downward. When the power is turned off, the armature 8 is reset with the cooperation of the compression spring 10 and the yoke 15. By providing a static spring assembly, when the armature 8 moves or resets, the contact bridge 11 operates with the movement of the armature 8, causing the moving point 12 to contact the static contact 1 4 contact or separation, to achieve the conversion of the circuit, by providing an auxiliary dynamic and static spring assembly, when the armature 8 moves or resets, the push rod 7 operates with the movement of the armature 8, the movement of the push rod 7 causes the auxiliary dynamic spring 6 to move, and the movement of the auxiliary dynamic spring 6 causes the auxiliary dynamic spring foot 4 to be connected or disconnected with the auxiliary static spring foot 5. The main contacts and the auxiliary contacts are driven by the same mechanism. When the main contacts are stuck and the mechanism does not move, the signal of the auxiliary contacts will be transmitted to the equipment, causing the equipment to take emergency alarm, realize the monitoring of the main contacts, reduce safety hazards, and facilitate the long-term and stable use of the relay.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A relay with main contact monitoring function, characterized in that: The invention comprises a base (1), a coil assembly, an auxiliary dynamic and static spring assembly and a static spring assembly, wherein the surface of the base (1) is provided with a plurality of matching holes, the coil assembly is mounted above the base (1), the auxiliary dynamic and static spring assembly is mounted above the base (1), and the static spring assembly is mounted above the base (1), the coil assembly can be used for powering on, the auxiliary dynamic and static spring assembly can be used for monitoring the active point (12), and the static spring assembly can be used for converting the circuit.

2. A relay with main contact monitoring function according to claim 1, characterized in that: The coil assembly comprises a coil frame (3), an armature (8), a lead pin (9), a compression spring (10), a yoke (15) and a coil structure, wherein the coil frame (3) is detachably mounted on the top of the base (1), the armature (8) is arranged above the coil frame (3), the lead pin (9) is mounted on both sides of the coil frame (3), the compression spring (10) is clamped and mounted in the armature (8), the yoke (15) is symmetrically arranged on both sides of the armature (8), and the coil structure is riveted and fixed after the iron core passes through the coil frame (3) and matches with the yoke (15).

3. A relay with main contact monitoring function according to claim 2, characterized in that: A matching hole is provided on the surface of the coil frame (3), and the lead pin (9) passes through the base (1).

4. The relay with main contact monitoring function according to claim 1, characterized in that: The auxiliary dynamic and static spring assembly comprises an auxiliary dynamic spring foot (4), an auxiliary static spring foot (5), an auxiliary dynamic spring leaf (6) and a push rod (7). The upper end of the auxiliary dynamic spring foot (4) is tightly fitted with the matching hole on the surface of the coil frame (3), the upper end of the auxiliary static spring foot (5) is tightly fitted with the matching hole on the surface of the coil frame (3), the auxiliary dynamic spring leaf (6) is installed between the auxiliary dynamic spring foot (4) and the auxiliary static spring foot (5), and the push rod (7) is sleeved and installed on the outside of the auxiliary dynamic spring leaf (6).

5. The relay with main contact monitoring function according to claim 4, characterized in that: Both sides of the auxiliary dynamic spring foot (4) and the auxiliary static spring foot (5) are designed with plug-in barbs, the lower ends of the auxiliary dynamic spring foot (4) and the auxiliary static spring foot (5) are plug-in connected to the matching holes on the surface of the base (1), and the push rod (7) is connected to the armature (8) together.

6. The relay with main contact monitoring function according to claim 1, characterized in that: The static spring assembly comprises a contact bridge (11), a moving point (12), a static spring foot (13) and a static contact point (14); the contact bridge (11) is mounted on the bottom of one end of the armature (8); the moving point (12) is arranged on the side wall of the contact bridge (11); the static spring foot (13) is installed through both ends of the base (1); and the static contact point (14) is arranged on the side wall of the static spring foot (13).

7. The relay with main contact monitoring function according to claim 6, characterized in that: The moving point (12) and the static contact point (14) are arranged correspondingly, and a shell (2) is detachably mounted on the outside of the base (1).

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