CN210778442U

CN210778442U - Switch with overload protection

Info

Publication number: CN210778442U
Application number: CN201922178487.3U
Authority: CN
Inventors: 高旭林; 罗雪娇
Original assignee: Shenzhen Meile Intelligent Technology Co ltd
Current assignee: Shenzhen Meile Intelligent Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-06-16
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a switch of area overload protection, which comprises a housin, the axis department cover at casing top is equipped with the button, the bottom of button is provided with the electrode connection piece, the left side of casing bottom is provided with first terminal, the top of first terminal is run through the casing and is extended to the top of casing, the top fixedly connected with current sensor on first terminal surface. The utility model discloses press the button, thereby make the left side and the first electrode piece contact of electrode connection piece bottom, the right side and the second electrode piece contact of electrode connection piece bottom, make the circuit switch-on, then detect the electric current in the circuit through current sensor, after being higher than the normal value, through the cooperation of AD converter, can be with signal transmission to PLC treater, the PLC treater can control the warning light at first and flash, bee calling organ sends out the police dispatch newspaper, remind the user, then can control self recovery fuse and carry out work, press from both sides the electric current and break.

Description

Switch with overload protection

Technical Field

The utility model relates to the technical field of switches, specifically be a take switch of overload protection.

Background

The term switch is to be interpreted as open and closed, it also refers to an electronic component that can open a circuit, interrupt current or cause it to flow to other circuits, the most common switch is an electromechanical device operated by a person, in which there are one or several electronic contacts, the existing switch does not have the function of overload protection, when the current in the circuit is higher than the normal value, it is not only easy to damage the switch and the used electric appliance, but also has the potential safety hazard, therefore, we propose a switch with overload protection.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a switch of area overload protection possesses the advantage of overload protection, has solved current switch and does not possess the function of overload protection, and after the electric current was higher than the normal value in the circuit, not only caused the damage to switch and use electrical apparatus easily, but also has the problem of potential safety hazard.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a switch with overload protection comprises a shell, wherein a button is sleeved at a middle shaft at the top of the shell, an electrode connecting sheet is arranged at the bottom of the button, a first wiring terminal is arranged on the left side of the bottom of the shell, the top of the first wiring terminal penetrates through the shell and extends to the top of the shell, a current sensor is fixedly connected to the top of the surface of the first wiring terminal, a first electrode block is fixedly connected to the top of the first wiring terminal, an A/D converter is fixedly connected to the left bottom of an inner cavity of the shell, a PLC processor is fixedly connected to the left top of the inner cavity of the shell, a second wiring terminal is arranged on the right side of the bottom of the shell, the top of the second wiring terminal penetrates through the shell and extends to the top of the shell, a self-recovery fuse is fixedly connected to the top of the surface of the second wiring terminal, the left side fixedly connected with warning light at casing top, the right side fixedly connected with bee calling organ at casing top.

Preferably, both sides of the top of the electrode connecting sheet are fixedly connected with insulating springs, and the tops of the insulating springs are fixedly connected with the shell.

Preferably, the output end of the current sensor is unidirectionally and electrically connected with the input end of the A/D converter, and the output end of the A/D converter is unidirectionally and electrically connected with the input end of the PLC processor.

Preferably, the output of PLC treater and the one-way electric connection of input of warning light, the one-way electric connection of output and the input of bee calling organ of PLC treater, the one-way electric connection of output and the input of self-resuming fuse of PLC treater.

Preferably, the bottom of the two sides of the shell is fixedly connected with a fixing plate, a bolt is arranged at the top of the fixing plate, and the bottom of the bolt penetrates through the fixing plate and extends to the bottom of the fixing plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a switch of area overload protection possesses following beneficial effect:

1. the utility model discloses press the button, thereby make the left side and the first electrode piece contact of electrode connection piece bottom, the right side and the second electrode piece contact of electrode connection piece bottom, make the circuit switch-on, then detect the electric current in the circuit through current sensor, after being higher than the normal value, cooperation through the AD converter, can be with signal transmission to PLC treater, the PLC treater can control the warning light scintillation at first, bee calling organ sends out the police dispatch newspaper, remind the user, then can control the self recovery fuse and work, press from both sides the electric current and break, the current switch that has solved does not possess overload protection's function, after the electric current is higher than the normal value in the circuit, not only cause the damage to switch and use electrical apparatus easily, but also there is the problem of potential safety hazard.

2. The utility model discloses a set up insulating spring, when the open circuit, the electrode connection piece can separate with the electrode block, through setting up the self-resuming fuse, can be at fault removal back circuit automatic recovery, need not artifical the change, through setting up fixed plate and bolt, has made things convenient for the installation of casing, has avoided the trouble phenomenon of installation.

Drawings

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

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

fig. 3 is a schematic diagram of the system of the present invention.

In the figure: 1. a housing; 2. a button; 3. an electrode connecting sheet; 4. an insulating spring; 5. a first terminal post; 6. a first electrode block; 7. a current sensor; 8. an A/D converter; 9. a PLC processor; 10. a second terminal; 11. a second electrode block; 12. a self-recovery fuse; 13. a warning light; 14. a buzzer; 15. a fixing plate; 16. and (4) bolts.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a casing 1, button 2, electrode connection piece 3, insulating spring 4, first terminal 5, first electrode piece 6, current sensor 7, AD converter 8, PLC treater 9, second terminal 10, second electrode piece 11, self recovery fuse 12, warning light 13, bee calling organ 14,

fixed plate

15 and 16 parts of bolt are the parts that general standard or technical personnel in the field know, its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a switch with overload protection comprises a housing 1, wherein fixing plates 15 are fixedly connected to the bottoms of two sides of the housing 1, bolts 16 are arranged on the top of the fixing plates 15, the bottoms of the bolts 16 penetrate through the fixing plates 15 and extend to the bottoms of the fixing plates 15, the mounting of the housing 1 is facilitated by arranging the fixing plates 15 and the bolts 16, the phenomenon of troublesome mounting is avoided, a button 2 is sleeved on a central shaft of the top of the housing 1, an electrode connecting sheet 3 is arranged at the bottom of the button 2, insulating springs 4 are fixedly connected to two sides of the top of the electrode connecting sheet 3, the top of each insulating spring 4 is fixedly connected with the housing 1, when a circuit is disconnected, the electrode connecting sheet 3 can be separated from an electrode block by arranging the insulating springs 4, a first binding post 5 is arranged on the left side of the bottom of the housing 1, the top of the first binding post 5 penetrates, the top of the surface of the first binding post 5 is fixedly connected with a current sensor 7, the top of the first binding post 5 is fixedly connected with a first electrode block 6, the bottom of the left side of the inner cavity of the shell 1 is fixedly connected with an A/D converter 8, the output end of the current sensor 7 is unidirectionally and electrically connected with the input end of the A/D converter 8, the output end of the A/D converter 8 is unidirectionally and electrically connected with the input end of a PLC processor 9, the top of the left side of the inner cavity of the shell 1 is fixedly connected with the PLC processor 9, the right side of the bottom of the shell 1 is provided with a second binding post 10, the top of the second binding post 10 penetrates through the shell 1 and extends to the top of the shell 1, the top of the surface of the second binding post 10 is fixedly connected with a self-recovery fuse 12, the top of, the right side fixedly connected with bee calling organ 14 at 1 top of casing, the one-way electric connection of input of the output of PLC treater 9 and warning light 13, the one-way electric connection of output and bee calling organ 14 of PLC treater 9, the one-way electric connection of output and the input of self recovery fuse 12 of PLC treater 9, through setting up self recovery fuse 12, can be at fault removal back circuit automatic recovery, need not artifical the change.

When using, press button 2, thereby make the left side of electrode connection piece 3 bottom contact with first electrode piece 6, the right side of electrode connection piece 3 bottom contacts with second electrode piece 11, make the circuit switch-on, then detect the electric current in the circuit through current sensor 7, after being higher than the normal value, through the cooperation of AD converter 8, can be with signal transmission to PLC treater 9, PLC treater 9 can control warning light 13 scintillation at first, bee calling organ 14 sends out the police dispatch newspaper, remind the user, then can control self recovery fuse 12 and carry out work, press from both sides the current and break, the function that current switch does not possess overload protection has been solved, after the electric current is higher than the normal value in the circuit, not only cause the damage to switch and use electrical apparatus easily, but also there is the problem of potential safety hazard.

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. A switch with overload protection, comprising a housing (1), characterized in that: the improved multifunctional shell is characterized in that a button (2) is sleeved at the middle shaft at the top of the shell (1), an electrode connecting sheet (3) is arranged at the bottom of the button (2), a first wiring terminal (5) is arranged on the left side of the bottom of the shell (1), the top of the first wiring terminal (5) penetrates through the shell (1) and extends to the top of the shell (1), a current sensor (7) is fixedly connected to the top of the surface of the first wiring terminal (5), a first electrode block (6) is fixedly connected to the top of the first wiring terminal (5), an A/D converter (8) is fixedly connected to the bottom of the left side of the inner cavity of the shell (1), a PLC (9) is fixedly connected to the top of the left side of the inner cavity of the shell (1), a second wiring terminal (10) is arranged on the right side of the bottom of the shell (1), and the top of the second wiring terminal (, the top fixedly connected with self-resuming fuse (12) on second terminal (10) surface, the top fixedly connected with second electrode piece (11) of second terminal (10), left side fixedly connected with warning light (13) at casing (1) top, right side fixedly connected with bee calling organ (14) at casing (1) top.

2. A switch with overload protection according to claim 1, characterised in that: the electrode connecting piece (3) is characterized in that insulating springs (4) are fixedly connected to the two sides of the top of the electrode connecting piece, and the top of each insulating spring (4) is fixedly connected with the shell (1).

3. A switch with overload protection according to claim 1, characterised in that: the output end of the current sensor (7) is unidirectionally and electrically connected with the input end of the A/D converter (8), and the output end of the A/D converter (8) is unidirectionally and electrically connected with the input end of the PLC processor (9).

4. A switch with overload protection according to claim 1, characterised in that: the output of PLC treater (9) and the one-way electric connection of the input of warning light (13), the one-way electric connection of the output of PLC treater (9) and the input of bee calling organ (14), the one-way electric connection of the output of PLC treater (9) and the input of self-resuming fuse (12).

5. A switch with overload protection according to claim 1, characterised in that: the bottom of casing (1) both sides all fixedly connected with fixed plate (15), the top of fixed plate (15) is provided with bolt (16), the bottom of bolt (16) runs through fixed plate (15) and extends to the bottom of fixed plate (15).