CN216851294U

CN216851294U - Power surge protector

Info

Publication number: CN216851294U
Application number: CN202123105507.8U
Authority: CN
Inventors: 孙晓敏; 孙克成
Original assignee: Shanghai Leeyee Electric Co ltd
Current assignee: Shanghai Leeyee Electric Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-28
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a belongs to the technical field of power devices, in particular to a power surge protector, which comprises a left wiring bracket component, a left locking spring plate, a main contact plate, a main electrode plate, a piezoresistor, an auxiliary electrode plate, a tripping contact plate, a wire, an auxiliary contact plate, a right locking spring plate, a right wiring bracket component, a tension spring and an indicating component, wherein the left locking spring plate for carrying the main contact plate and the auxiliary contact plate is arranged at the inner sides of the left wiring bracket component and the right locking spring plate, the module shell of the power surge protector is designed with a back-off matched with a base, the design can ensure that the contact plate is firmly contacted, the module can not be separated from the base and loosened due to factors such as vibration in product transportation, and the module can not be pulled out from the base due to carelessness of users in installation and use, and the plastic structure is changed into the defect of the prior iron stand and spring structure, such as a spring drop. The iron frame and the spring are rusted and guided, and the service life of the product is greatly prolonged.

Description

Power surge protector

Technical Field

The utility model relates to an electric power unit technical field specifically is a power surge protector.

Background

The power surge protector is also called a power lightning protector, a power lightning arrester and a power surge protector. The power supply lightning protector is the most common one of the surge protectors.

The power surge protector is usually connected in parallel to a circuit system, and when lightning occurs, high-intensity electromagnetic induction is generated on various metal pipes and wires entering a building, so that a large amount of pulse energy is generated, the power surge protector can play a role in guiding overcurrent to the ground, and the potential difference of each port of equipment is reduced. The overvoltage transient protection device is suitable for 220/380V power supply and distribution system.

The product can effectively inhibit induced overvoltage and system operation overvoltage caused by lightning, protect equipment safety and guarantee normal operation of a system.

The existing surge protector has the defects that the contact of a contact piece is not firm, the module is loosened and is accidentally pulled out from the base by a user, the structure has defects, an iron frame and a spring are easy to rust, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power surge protector to solve the current surge protector who proposes in the above-mentioned background art, the contact is insecure, can appear not hard up with the user carelessly the drawback of extracting the module from the base, and the structure has the defect, easily leads to iron stand and spring to rust, has reduced the problem in life-span.

In order to achieve the above object, the utility model provides a following technical scheme: a power supply surge protector comprises a left wiring bracket component, a left locking reed, a main contact piece, a main electrode piece, a piezoresistor, an auxiliary electrode piece, a tripping contact piece, a lead, an auxiliary contact piece, a right locking reed, a right wiring bracket component, a tension spring and an indicating component, the inner sides of the left wiring bracket component and the right locking reed are provided with a left locking reed carrying the main contact piece and the auxiliary contact piece, the main pole piece is connected with the inside of the main contact piece and the auxiliary contact piece, the auxiliary pole piece is arranged at the top of the main pole piece, the rear side wall of the auxiliary electrode plate is connected with the piezoresistor, the front side wall of the auxiliary electrode plate is embedded with the tripping contact piece, the input end of the tripping contact is electrically connected with a lead with the tail end electrically connected with the auxiliary contact, the top of the piezoresistor is sleeved with a right wiring bracket component, the inside of left side wiring bracket component with right side wiring bracket component has cup jointed the circle and has sealed the lock stopper.

Preferably, the module bushing is sleeved outside the main electrode plate, and the top of the module bushing is fixedly connected with a tension spring through a screw.

Preferably, the front side wall of the module lining is embedded with an indicator, and the bottom of the module lining is embedded with a positioning pin.

Preferably, the bottoms of the left wiring bracket assembly and the right wiring bracket assembly are fixedly connected with buckles through screws.

Preferably, the bottom of the buckle is fixedly connected with a main base and an auxiliary base through screws.

Preferably, the inner walls of the main base and the auxiliary base are sleeved with module shells sleeved with the module bushings, and transparent windows are embedded in the tops of the module shells.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of power surge protector, module housing have designed the back-off with base matched with, and this design can make the contact firm, can not lead to module and base to break away from not hard up and also can not extract the module from the base because of the user is careless in user's installation and use because of factors such as vibration in the product transportation, change into plastic formula structure and improved with the defect of former iron stand and spring structure, drop like the spring. The iron frame and the spring are rusted and guided, and the service life of the product is greatly prolonged.

Drawings

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

FIG. 2 is an internal schematic view of the overall structure of the present invention;

fig. 3 is a schematic view of the electrode plate of the present invention.

In the figure: 1 left wiring support assembly, 2 left locking reed, 3 main contact, 4 main pole pieces, 5 piezoresistors, 6 auxiliary electrode plates, 7 tripping contact, 8 wires, 9 auxiliary contact, 10 right locking reed, 11 right locking reed, 12 module bush, 13 right wiring support assembly, 14 indicator, 15 indicator, 16 positioning pin, 17 main base, 18 auxiliary base, 19 module shell, 20 transparent window, 21 round sealing buckle plug.

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.

The utility model provides a power surge protector, through the combination application of accessory, module shell has designed and has buckled with base matched with back-off, and this design can make the contact firm, can not lead to the module and break away from not hard up and also can not extract the module from the base because of the user carelessness in user's installation and use because of factors such as the vibration in the product transportation, changes into the defect of plastics formula structure improvement with former iron stand and spring structure, drops like the spring. The rust and the like of the iron frame and the spring can be avoided, and the service life of the product can be greatly prolonged, and the device comprises a left wiring support assembly 1, a left locking spring plate 2, a main contact plate 3, a main electrode plate 4, a piezoresistor 5, an auxiliary electrode plate 6, a tripping contact plate 7, a lead 8, an auxiliary contact plate 9, a right locking spring plate 10, a right wiring support assembly 11, a tension spring 13 and an indicating piece 14, wherein the left wiring support assembly 1, the left locking spring plate 2, the main contact plate 3, the main electrode plate 4, the piezoresistor 5, the auxiliary electrode plate 6, the tripping contact plate 7, the lead 8, the auxiliary contact plate 9, the right locking spring plate 10, the right wiring support assembly 11, the tension spring 13 and the indicating piece 14 are included;

referring to fig. 2 again, the left wiring bracket assembly 1 is connected with the main contact 3, specifically, the inner sides of the left wiring bracket assembly 1 and the right locking spring 10 are provided with a left locking spring 2 carrying the main contact 3 and the auxiliary contact 9, the inner parts of the main contact 3 and the auxiliary contact 9 are connected with a main electrode piece 4, and the top of the main electrode piece 4 is provided with an auxiliary electrode piece 6;

referring to fig. 2 again, the side wall of the auxiliary electrode plate 6 is connected to the varistor 5, specifically, the rear side wall of the auxiliary electrode plate 6 is connected to the varistor 5, the front side wall of the auxiliary electrode plate 6 is embedded with the trip contact 7, and the input end of the trip contact 7 is electrically connected to the lead 8 whose tail end is electrically connected to the auxiliary contact 9;

referring to fig. 2 again, the top of the varistor 5 is connected to the right wiring bracket assembly 11, specifically, the top of the varistor 5 is sleeved with the right wiring bracket assembly 11, and the insides of the left wiring bracket assembly 1 and the right wiring bracket assembly 11 are sleeved with the round sealing buckling plugs 21;

when the voltage is over high, firstly, the voltage is input into the left locking reed 2 and the main contact 3 through the left wiring support assembly 1, then the voltage is input into the main pole piece 4 and is input into the piezoresistor 5 through the main pole piece 4, at the moment, the piezoresistor 5 is instantly changed into a conducting state, the voltage is input into the auxiliary pole piece 6, the voltage is input into the tripping contact 7 through the main pole piece 4 and the auxiliary pole piece 6, then the voltage is input into the lead 8, the voltage is input into the auxiliary contact 9 and the right locking reed 10 through the lead 8, the voltage is input into the grounding lead through the right locking reed 10, and the voltage is introduced into the ground through the grounding lead;

the tripping principle is as follows: when voltage passes through the piezoresistor 5 for a long time, the welding part of the tripping contact piece 7 and the electrode plate generates heat. When the temperature reaches the melting point of the solder at the weld. The soldering tin will melt slowly, indicator 12 is acted by the pulling force of right wiring bracket assembly 11 after melting, and tripping contact 7 separates with the electrode slice through the action of indicator 12 and reaches self-protection, and the user can also see through time window 13 and see the red mark of indicator 12 and discover whether the product has acted.

Referring to fig. 2 again, in order to facilitate the matching pulling, specifically, a module bushing 12 is sleeved outside the main electrode plate 4, and a tension spring 13 is fixedly connected to the top of the module bushing 12 through a screw.

Referring again to fig. 2, to increase stability of use, in particular, the front side wall of module bushing 12 is embedded with indicator 14, and the bottom of module bushing 12 is embedded with positioning pins 16.

Referring to fig. 2 and fig. 2 again, for the convenience of assembly, in particular, the bottoms of the left wiring bracket assembly 1 and the right wiring bracket assembly 11 are fixedly connected with a buckle 15 through screws.

Referring to fig. 1 and 2 again, in order to match the external connection, specifically, a module housing 19 sleeved with the module bushing 12 is sleeved on the inner walls of the main base 17 and the sub base 18, and a transparent window 20 is embedded on the top of the module housing 19.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A power surge protector device, characterized in that: comprises a left wiring support assembly (1), a left locking reed (2), a main contact (3), a main electrode plate (4), a piezoresistor (5), an auxiliary electrode plate (6), a tripping contact (7), a lead (8), an auxiliary contact (9), a right locking reed (10), a right wiring support assembly (11), a tension spring (13) and an indicating piece (14), wherein the inner sides of the left wiring support assembly (1) and the right locking reed (10) are provided with the left locking reed (2) carrying the main contact (3) and the auxiliary contact (9), the main contact (3) and the auxiliary contact (9) are connected with the main electrode plate (4), the top of the main electrode plate (4) is provided with the auxiliary electrode plate (6), the rear side wall of the auxiliary electrode plate (6) is connected with the piezoresistor (5), and the front side wall of the auxiliary electrode plate (6) is embedded with the tripping contact (7), the circuit breaker is characterized in that the tail end of the input end of the tripping contact (7) is electrically connected with a wire (8) electrically connected with the auxiliary contact (9), a right wiring support assembly (11) is sleeved at the top of the piezoresistor (5), and a round sealing buckle plug (21) is sleeved inside the left wiring support assembly (1) and the right wiring support assembly (11).

2. A power surge protector device in accordance with claim 1, wherein: the module bush (12) is sleeved outside the main electrode plate (4), and the top of the module bush (12) is fixedly connected with a tension spring (13) through a screw.

3. A power surge protector device in accordance with claim 2, wherein: the front side wall of the module bushing (12) is embedded with an indicator (14), and the bottom of the module bushing (12) is embedded with a positioning pin (16).

4. A power surge protector device according to claim 3, wherein: the bottom of left side wiring bracket component (1) with right side wiring bracket component (11) is through screw fixed connection buckle (15).

5. A power surge protector device according to claim 4, wherein: the bottom of the buckle (15) is fixedly connected with a main base (17) and an auxiliary base (18) through screws.

6. A power surge protector device according to claim 5, wherein: the inner walls of the main base (17) and the auxiliary base (18) are sleeved with a module shell (19) sleeved with the module lining (12), and a transparent window (20) is embedded in the top of the module shell (19).