CN212967531U

CN212967531U - Reinforced sealing thermal protector

Info

Publication number: CN212967531U
Application number: CN202022140710.8U
Authority: CN
Inventors: 丁圣杰
Original assignee: Changzhou Ruide Electronics Co ltd
Current assignee: Changzhou Ruide Electronics Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-04-13
Anticipated expiration: 2030-09-26

Abstract

The utility model discloses a sealed hot protector of strenghthened type, include: the protector comprises a protector shell, wherein a reinforced sealing structure is arranged in the protector shell; wherein, strenghthened type seal structure includes: the device comprises a mounting base plate, a mounting seat, a static contact, a pair of first bulges, a pair of second bulges, a pair of primary connecting wires, a lifting end, a pair of bimetallic strips, a pair of resistance wires, an epoxy resin sealing layer, a pair of transmission lines, a wire connector, a pair of wiring terminals and a pair of secondary connecting wires; the utility model relates to a hot protector technical field, the beneficial effect of present case is: the problem of current thermal protection can satisfy the requirement of overheated outage though connect too complicacy, when connecting the use, the bottom plate is buckled easily, causes the damage, influences the effect of power-off protection to whole not enough sealed, cause the whole life of thermal protector shorter is solved.

Description

Reinforced sealing thermal protector

Technical Field

The utility model relates to a hot protector technical field specifically is a strenghthened type sealed heat protector.

Background

The thermal protector is that two different alloys are combined together, the electric current passes through the bimetallic element who has impedance, meet abnormal work time, rise to when setting for the temperature value along with electric current increase or ambient temperature, bimetallic element moves rapidly, open the contact, the circuit is cut off, when the device cools off to safe temperature, the contact is automatic closed, resume normal operating condition, current thermal protection although can satisfy the requirement of overheated outage, but connect too complicacy, when connecting the use, the bottom plate is buckled easily, cause the damage, influence the effect of outage protection, and wholly not sealed enough, cause the whole life of thermal protector to be shorter.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a sealed hot protector of strenghthened type has solved current hot protection and can satisfy the requirement of overheated outage, but connects too complicatedly, and when connecting the use, the bottom plate is buckled easily, causes the damage, influences the effect of outage protection to wholly not enough sealed, cause the shorter problem of whole life of hot protector.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a reinforced sealed thermal protector comprising: the protector comprises a protector shell, wherein a reinforced sealing structure is arranged in the protector shell;

wherein, strenghthened type seal structure includes: the device comprises a mounting base plate, a mounting seat, a static contact, a pair of first bulges, a pair of second bulges, a pair of primary connecting wires, a lifting end, a pair of bimetallic strips, a pair of resistance wires, an epoxy resin sealing layer, a pair of transmission lines, a wire connector, a pair of wiring terminals and a pair of secondary connecting wires;

the installation base plate is fixedly arranged in the middle of the lower wall surface in the protector shell, the installation base is fixedly arranged on the installation base plate close to the left wall surface, the static contact plate is fixedly arranged on the installation base plate close to the right wall surface, the pair of first bulges are fixedly arranged on the left wall surface of the static contact plate, the pair of second bulges are fixedly arranged on the right wall surface of the static contact plate, the pair of first-stage connecting wires penetrate through the right wall surface of the protector shell and are connected onto the static contact plate, the lifting end is fixedly arranged on the left side of the installation base, the pair of bimetallic strips are fixedly arranged on the lifting end, the pair of resistance winding wires are wound and arranged on the pair of bimetallic strips, the epoxy resin sealing layer is fixedly arranged on the left side of the lifting end, the right end of the pair of transmission wires is connected and arranged on the pair of bimetallic, the left ends of the transmission lines penetrate through the epoxy resin sealing layer to be connected and installed on the wire connector, the wiring terminals are embedded and fixed on the left wall surface of the shell of the protector, the wiring terminals are connected with the wire connector, and the secondary connection wires are installed on the wiring terminals.

Furthermore, an interface hole for installing wires is formed in the right wall surface of the protector shell.

Furthermore, the static contact is installed on the installation bottom plate through a fixed pin.

Furthermore, a fixing bolt with a fixing function is arranged on the lifting end.

Furthermore, a glue injection port for injecting glue is formed in the epoxy resin sealing layer.

Furthermore, a movable contact for connection is arranged on the lower wall surface of the bimetallic strip.

Advantageous effects

The utility model provides a strenghthened type sealed heat protector possesses following beneficial effect: the present case has used strenghthened type seal structure, connection structure through simplifying hot protector makes hot protector react more rapidly at the during operation, the protection effect is with obvious, hot protector's leakproofness has also been increased, it is more durable to make equipment, the requirement of overheated outage can be satisfied in having solved current hot protection, but connect too complicacy, when connecting the use, the bottom plate is buckled easily, cause the damage, influence the effect of outage protection, and wholly not enough sealed, cause the shorter problem of hot protector's whole life.

Drawings

Fig. 1 is a schematic view of a top-down sectional structure of a reinforced thermal seal protector.

Fig. 2 is the utility model discloses a bimetallic strip main view structure schematic diagram of strenghthened type sealing heat protector.

Fig. 3 is a schematic diagram of a local enlarged structure of a reinforced sealing thermal protector of the present invention.

In the figure: 1-a protector housing; 2, mounting a bottom plate; 3-mounting a base; 4-static contact piece; 5-a first protrusion; 6-a second protrusion; 7-first-level connecting line; 8-lifting end; 9-bimetallic strip; 10-resistance winding; 11-an epoxy sealant layer; 12-a transmission line; 13-a wire connector; 14-a terminal; 15-secondary connection lines; 16-a fixing pin; 17-a dead bolt; 18-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.

Referring to fig. 1-3, the present invention provides a technical solution: a reinforced sealed thermal protector;

the main components of the scheme are as follows: the protector comprises a protector shell 1, wherein a reinforced sealing structure is arranged in the protector shell 1;

in a specific implementation process, the reinforced sealing structure comprises: the mounting base plate 2, the mounting base 3, the static contact piece 4, the pair of first bulges 5, the pair of second bulges 6, the pair of first-level connecting wires 7, the uplifted end 8, the pair of bimetallic strips 9, the pair of resistance wires 10, the epoxy resin sealing layer 11, the pair of transmission lines 12, the wire connector 13, the pair of wiring terminals 14 and the pair of second-level connecting wires 15;

the mounting base plate 2 is fixedly mounted in the middle of the lower wall surface in the protector shell 1, the mounting base 3 is fixedly mounted on the mounting base plate 2 close to the left wall surface, the static contact plate 4 is fixedly mounted on the mounting base plate 2 close to the right wall surface, the pair of first protrusions 5 is fixedly mounted on the left wall surface of the static contact plate 4, the pair of second protrusions 6 is fixedly mounted on the static contact plate 4 close to the right wall surface, the pair of first-stage connecting wires 7 penetrates through the right wall surface of the protector shell 1 and is connected to the static contact plate 4, the lifting end 8 is fixedly mounted on the left side of the mounting base 3, the pair of bimetallic strips 9 are fixedly mounted on the lifting end 8, the pair of resistance winding wires 10 is wound on the pair of bimetallic strips 9, the epoxy resin sealing layer 11 is fixedly mounted on the left side of the lifting end 8, and the right end of the pair of transmission lines, the wire connector 13 is fixedly installed on a wire outlet on the left wall surface in the protector shell 1, the left ends of the transmission lines 12 penetrate through the epoxy resin sealing layer 11 and are installed on the wire connector 13 in a connected mode, the wiring terminals 14 are fixedly embedded on the left wall surface of the protector shell 1, the wiring terminals 14 are connected with the wire connector 13, and the secondary connecting wires 15 are installed on the wiring terminals 14.

It should be noted that, when using the enhanced sealing structure, the static contact 4 is fixedly installed on the upper wall surface of the installation base plate 2, the pair of bimetallic strips 9 is connected with the first protrusion 5 and the second protrusion 6 on the static contact 4 by the position relation of the lifting end 8 installed on the left side of the installation base 3, the movable contact 18 on the lower wall surface of the bimetallic strip 9 is connected with the first protrusion 5 and the second protrusion 6 on the static contact 4, the whole circuit is connected by the connection of the pair of first-level connecting wires 7 and the pair of second-level connecting wires 15, the circuit is connected with current, the current can generate heat for the resistance winding wire 10 with smaller resistance value when flowing through, when the temperature rises, the bimetallic strip 9 formed by pressing two metal strips with different expansion coefficients is heated, because the layer below the lower expansion coefficient of the bimetallic strip 9 is large, the bimetallic strip 9 is heated and then bent upwards, the, the contacts are disconnected to cut off the circuit to form protection, and when the temperature drops, the bimetallic strip 9 is recovered to make continuous reading connected, so that the purpose of thermal protection is achieved.

In the specific implementation process, further, an interface hole for installing a wire is formed in the right wall surface of the protector shell 1.

In the specific implementation process, furthermore, the static contact piece 4 is installed on the installation bottom plate 2 through a fixed pin 16.

In the specific implementation process, furthermore, a fixing bolt 17 with a fixing function is installed on the lifting end 8.

In a specific implementation process, a glue injection port for injecting glue is further formed in the epoxy resin sealing layer 11.

In the specific implementation process, further, a movable contact 18 for connection is installed on the lower wall surface of the bimetallic strip 9.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The statement that an element defined by the phrase "comprises an … … does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 reinforced sealed thermal protector comprising: the protector comprises a protector shell (1), and is characterized in that a reinforced sealing structure is arranged in the protector shell (1);

wherein, strenghthened type seal structure includes: the device comprises a mounting base plate (2), a mounting seat (3), a static contact piece (4), a pair of first bulges (5), a pair of second bulges (6), a pair of primary connecting wires (7), a lifting end (8), a pair of bimetallic strips (9), a pair of resistance wires (10), an epoxy resin sealing layer (11), a pair of transmission lines (12), a wire connector (13), a pair of wiring terminals (14) and a pair of secondary connecting wires (15);

the mounting base plate (2) is fixedly mounted in the middle of the inner wall surface and the lower wall surface of the protector shell (1), the mounting seat (3) is fixedly mounted at the left position of the upper wall surface of the mounting base plate (2), the static contact piece (4) is fixedly mounted at the right position of the upper wall surface of the mounting base plate (2), the pair of first bulges (5) is fixedly mounted at the left position of the upper wall surface of the static contact piece (4), the pair of second bulges (6) is fixedly mounted at the right position of the upper wall surface of the static contact piece (4), the pair of primary connecting wires (7) penetrate through the right wall surface of the protector shell (1) and are connected onto the static contact piece (4), the lifting end (8) is fixedly mounted at the left side of the mounting seat (3), the pair of bimetallic strips (9) is fixedly mounted on the lifting end (8), and the pair of resistance winding wires (10) is wound on the pair, the epoxy resin sealing layer (11) is fixedly installed on the left side of the lifting end (8), the right ends of the pair of transmission lines (12) are connected and installed on the pair of bimetallic strips (9), the wire connector (13) is fixedly installed on a wire outlet on the inner left wall surface of the protector shell (1), the left ends of the pair of transmission lines (12) penetrate through the epoxy resin sealing layer (11) and are connected and installed on the wire connector (13), the pair of wiring terminals (14) are embedded and fixed on the left wall surface of the protector shell (1), the pair of wiring terminals (14) are connected with the wire connector (13), and the pair of secondary connecting wires (15) are installed on the pair of wiring terminals (14).

2. The reinforced sealing thermal protector as claimed in claim 1, wherein the right wall surface of the protector housing (1) is provided with an interface hole for mounting wires.

3. An enhanced sealed thermal protector according to claim 1, characterized in that the static contact (4) is mounted on the mounting plate (2) by means of fixing pins (16).

4. A reinforced sealed thermal protector according to claim 1, characterised in that the raised end (8) is fitted with a fixing peg (17) for fixing.

5. A reinforced sealing thermal protector according to claim 1, characterized in that the epoxy sealing layer (11) is provided with a glue injection port for injecting glue.

6. A reinforced sealed thermal protector according to claim 1, characterised in that the lower wall of the bimetal (9) is provided with a movable contact (18) for connection.