CN212411850U

CN212411850U - Alarm contact for improving safety

Info

Publication number: CN212411850U
Application number: CN202021348347.2U
Authority: CN
Inventors: 刘云创
Original assignee: Wenzhou Xinguang Silver Contact Co ltd
Current assignee: Wenzhou Xinguang Silver Contact Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-01-26
Anticipated expiration: 2030-07-10

Abstract

The utility model relates to a contact element technical field just discloses an improve security alarm contact, including an improvement security alarm contact, including moving touch panel and static touch panel. This kind of improve security alarm contact, in the in-process of using, because of the contact element live time is longer, moving contact and static contact looks mutual friction, can make both thickness diminish or the surface appear warping, when the limit appears or thickness diminishes, moving contact board home range will grow, thickness ratio static contact is little less because of supplementary static contact, when moving contact and static contact both wearing and tearing exceed 0.5 millimeter, supplementary static contact and supplementary moving contact will contact, thereby drive the bee calling organ on the moving contact board, send out the police dispatch newspaper, the wearing and tearing between suggestion moving contact and the static contact are comparatively serious, can prepare the maintenance in advance, still can play the effect of temporary substitution, thereby solved the not high and long-time easy problem that appears of use of work efficiency, and discovery that can not be timely.

Description

Alarm contact for improving safety

Technical Field

The utility model relates to a contact element technical field specifically is an improve security alarm contact.

Background

The contact is one of the key parts of the switching electric appliance, the main performance and the service life of the switching electric appliance depend on the quality of the contact material to a great extent, the contact material is generally required to have good conductivity, lower contact resistance, higher fusion welding resistance, higher arc erosion resistance and material transfer resistance, for a vacuum contact material, the contact is required to have small cutoff value, high compressive strength and high breaking capacity, the microstructure of the contact material has important influence on the macroscopic performance, and the electrical performance of the contact material, such as the fusion welding resistance, the arc erosion resistance and the compressive capacity, is not only related to the components of the contact material, but also related to the grain size of the material.

In the using process of a general butt-joint type contact element, a moving contact and a static contact are mutually touched and have a self-cleaning function, but after long-time use, the moving contact and the static contact are mutually rubbed to cause the moving contact and the static contact to be changed, so that the moving contact and the static contact are thinned or inclined on the surface, the element is possibly damaged after long time use, the butt-joint type contact element cannot be used, but serious loss can be caused in the time of unavailable use due to some necessary work, so that the working efficiency is low, the problem is easy to occur during long-time use, and the contact element cannot be found out.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides an improve security alarm contact, possess and improve work efficiency, easily find advantages such as trouble, general butt joint formula contact element that the background art provided has been solved in the use, the moving contact touches each other with the static contact, have self-cleaning function, but through long-time use, both looks mutual friction, lead to the moving contact and the static contact to change, can make its attenuation or surface slope, the time is of a specified duration, probably lead to the component to damage, the method is not used, but because of some necessary work, can cause serious loss in the time of unable use, thereby lead to the not high and long-time easy problem that appears of using of work efficiency, and discovery scheduling problem that can not be timely.

(II) technical scheme

For realize above-mentioned improvement work efficiency, the purpose of easy discovery trouble, the utility model provides a following technical scheme: the utility model provides an improve security alarm contact, includes movable contact plate and stationary contact plate, movable contact plate one end swing joint has the limiting plate, movable contact plate middle part swing joint has the stand, stand surface swing joint has the spring, stand one end fixedly connected with top cap, stand other end fixedly connected with bottom plate, stationary contact plate surface one end fixed mounting has the static contact, movable contact plate lower surface one end fixed mounting has the feeler arm, feeler arm one end movable mounting has the moving contact, movable contact plate lower surface other end fixed mounting has supplementary feeler arm, supplementary feeler arm one end movable mounting has supplementary moving contact, stationary contact plate surface other end fixed mounting has supplementary static contact, fixed surface is connected with bee calling organ on the movable contact plate.

Preferably, the center of the moving contact and the center of the static contact are on the same vertical line, the diameter is not easy to be too large, and is about 2-3 mm, and the two are made of pure silver materials.

Preferably, the center of the auxiliary moving contact and the center of the auxiliary static contact are on the same vertical line, and the material is brass.

Preferably, the diameter of the auxiliary moving contact is slightly smaller than that of the moving contact, and the diameter of the auxiliary static contact is slightly smaller than that of the static contact.

Preferably, the thickness of the auxiliary moving contact is the same as that of the moving contact, the length of the contact arm is the same as that of the auxiliary contact arm, and the thickness of the auxiliary static contact is slightly smaller than that of the static contact, and is about 0.5 mm.

Preferably, the surface of the moving contact is provided with a transverse groove, the surface of the static contact is provided with a longitudinal groove, and the depth of the transverse groove and the depth of the longitudinal groove are about 0.5 mm.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of improve security alarm contact, in the in-process of using, because of the contact element live time is longer, moving contact and static contact looks mutual friction, can make both thickness diminish or the surface appear warping, when the limit appears or thickness diminishes, moving contact board home range will grow, thickness ratio static contact is little less because of supplementary static contact, when moving contact and static contact both wearing and tearing exceed 0.5 millimeter, supplementary static contact and supplementary moving contact will contact, thereby drive the bee calling organ on the moving contact board, send out the police dispatch newspaper, the wearing and tearing between suggestion moving contact and the static contact are comparatively serious, can prepare the maintenance in advance, still can play the effect of temporary substitution, thereby solved the not high and long-time easy problem that appears of use of work efficiency, and discovery that can not be timely.

2. This kind of improve security warning contact has seted up horizontal recess on the moving contact surface, and vertical recess has been seted up on the static contact surface, and horizontal recess is about 0.5 millimeter with vertical groove depth, can play the effect of supplementary arc extinguishing, and because of the recess direction difference between the two, can not produce the phenomenon of mutually inserting, and can save the cost of manufacture of contact, save material, reduce cost, as supplementary arc extinguishing structure, more can improve the life of product.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the overall top view structure of the present invention;

fig. 3 is an enlarged schematic structural view of the whole part of the present invention.

In the figure: 1. a movable touch plate; 2. a stationary contact plate; 3. a limiting plate; 4. a base plate; 5. a column; 6. a top cover; 7. a spring; 8. a contact arm; 9. a moving contact; 10. static contact; 11. an auxiliary contact arm; 12. auxiliary static contacts; 13. a buzzer; 14. a longitudinal groove; 15. a transverse groove; 16. and the auxiliary moving contact.

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.

Example 1

Referring to fig. 1-3, an alarm contact for improving safety comprises a movable contact plate 1 and a stationary contact plate 2, wherein the movable contact plate 1 and the stationary contact plate 2 are connected with each other to achieve the purpose of doing work, one end of the movable contact plate 1 is movably connected with a limiting plate 3 to limit the moving position of the movable contact plate 1, the middle part of the movable contact plate 1 is movably connected with an upright post 5 for fixing the moving position of a spring 7, the surface of the upright post 5 is movably connected with the spring 7 to do work by pressure of the spring 7, one end of the upright post 5 is fixedly connected with a top cover 6, the other end of the upright post 5 is fixedly connected with a bottom plate 4, the position of the upright post 5 is fixed, one end of the surface of the stationary contact plate 2 is fixedly provided with a static contact 10 which can interact with a movable contact 9 to achieve the purpose of doing work, one end of the lower surface of the movable contact plate 1 is fixedly provided with a contact arm 8 for installing, the alarm device is used for installing an auxiliary moving contact 16 to drive the auxiliary moving contact 16 to move, one end of an auxiliary contact arm 11 is movably provided with the auxiliary moving contact 16, when the requirement is met, the auxiliary moving contact is contacted with an auxiliary static contact 12 to achieve the purpose of alarming, the other end of the surface of a static contact plate 2 is fixedly provided with the auxiliary static contact 12 which can be contacted with the auxiliary moving contact 16 to do work, the upper surface of a movable contact plate 1 is fixedly connected with a buzzer 13 which is used for giving an alarm to remind people of paying attention, the center of a moving contact 9 and the center of a static contact 10 are on the same vertical line, so that the moving contact and the static contact can be completely contacted to avoid partial contact and cause quick deformation, the diameter is not easy to be too large and is about 2-3 mm, the moving contact plate and the static contact are made of pure silver, the service life can be prolonged, the center of the auxiliary moving, the diameter of the auxiliary moving contact 16 is slightly smaller than that of the moving contact 9, materials are saved, cost is saved, the diameter of the auxiliary static contact 12 is slightly smaller than that of the static contact 10, the cost is saved, the thickness of the auxiliary moving contact 16 is the same as that of the moving contact 9, the length of the contact arm 8 is the same as that of the auxiliary contact arm 11, the thickness of the auxiliary static contact 12 is slightly smaller than that of the static contact 10 and is about 0.5 mm, when the abrasion of the moving contact 9 and the static contact 10 exceeds 0.5 mm, the auxiliary static contact 12 and the auxiliary moving contact 16 can be touched, an alarm is given out, the transverse groove 15 is formed in the surface of the moving contact 9, the longitudinal groove 14 is formed in the surface of the static contact 10, the depth of the transverse groove 15 and the depth of.

This kind of improve security alarm contact, theory of operation is as follows:

this kind of improve security alarm contact, in the in-process of using, because of the contact element live time is longer, moving contact 9 and static contact 10 looks mutual friction, can make both thickness diminish or the surface appears warping, when the polygon appears or thickness diminishes, moving contact 1 home range will grow, thickness ratio static contact 10's thickness because of supplementary static contact 12 is little less, when moving contact 9 and static contact 10 both wearing and tearing exceed 0.5 millimeter, supplementary static contact 12 and supplementary moving contact 16 will contact, thereby drive bee calling organ 13 on the moving contact 1, send out the police dispatch newspaper, the wearing and tearing between suggestion moving contact 9 and the static contact 10 are comparatively serious, can prepare the maintenance in advance, still can play the effect of temporary substitution, thereby work efficiency has been solved and the long-time easy problem that appears of using, and discovery that can not be timely.

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

1. The utility model provides an improve security alarm contact, includes movable contact plate (1) and stationary contact plate (2), movable contact plate (1) one end swing joint has limiting plate (3), movable contact plate (1) middle part swing joint has stand (5), stand (5) surface swing joint has spring (7), stand (5) one end fixedly connected with top cap (6), stand (5) other end fixedly connected with bottom plate (4), stationary contact plate (2) surface one end fixed mounting has static contact (10), movable contact plate (1) lower surface one end fixed mounting has feeler arm (8), feeler arm (8) one end movable mounting has moving contact (9), its characterized in that: the device is characterized in that an auxiliary contact arm (11) is fixedly mounted at the other end of the lower surface of the movable contact plate (1), an auxiliary moving contact (16) is movably mounted at one end of the auxiliary contact arm (11), an auxiliary static contact (12) is fixedly mounted at the other end of the surface of the static contact plate (2), and a buzzer (13) is fixedly connected to the upper surface of the movable contact plate (1).

2. The contact for improving the safety of the alarm according to claim 1, wherein: the center of the moving contact (9) and the center of the static contact (10) are on the same vertical line, the diameter is 2-3 mm, and the two are made of pure silver materials.

3. The contact for improving the safety of the alarm according to claim 1, wherein: the center of the auxiliary moving contact (16) and the center of the auxiliary static contact (12) are on the same vertical line, and the material is brass.

4. The contact for improving the safety of the alarm according to claim 1, wherein: the diameter of the auxiliary moving contact (16) is slightly smaller than that of the moving contact (9), and the diameter of the auxiliary static contact (12) is slightly smaller than that of the static contact (10).

5. The contact for improving the safety of the alarm according to claim 1, wherein: the thickness of the auxiliary moving contact (16) is the same as that of the moving contact (9), the length of the contact arm (8) is the same as that of the auxiliary contact arm (11), and the thickness of the auxiliary static contact (12) is smaller than that of the static contact (10) and is 0.5 mm.

6. The contact for improving the safety of the alarm according to claim 1, wherein: the surface of the moving contact (9) is provided with a transverse groove (15), the surface of the static contact (10) is provided with a longitudinal groove (14), and the depth of the transverse groove (15) and the depth of the longitudinal groove (14) are 0.5 mm.