CN212304744U

CN212304744U - Surge protector

Info

Publication number: CN212304744U
Application number: CN202021065836.7U
Authority: CN
Inventors: 李天密; 任怡; 谢韬; 鲍舒耕; 黄贵君; 杨国华
Original assignee: Sichuan Zhongguang Lightning Protection Technologies Co ltd
Current assignee: Sichuan Zhongguang Lightning Protection Technologies Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-01-05
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a surge protector, including overvoltage protection subassembly, tripping device and main part spare, tripping device is including breaking away from shell fragment, barrier member and elastic component, and a pin of overvoltage protection subassembly and the shell fragment that breaks away from constitute through low temperature solder welding and break away from the solder joint, and the elastic component is in energy storage state before the pin that breaks away from shell fragment and overvoltage protection subassembly does not break off, promotes the barrier member after the pin that breaks away from shell fragment and overvoltage protection subassembly separates and removes to between the pin that breaks away from shell fragment and overvoltage protection subassembly, the barrier member on be provided with telesignalling portion to still be provided with the first instruction face that is used for instructing operating condition on the barrier member, set up on the main part spare with first instruction face matched with second instruction face. The utility model discloses be integrated as an organic whole with remote signalling function, state indicating function and tripping device, compact structure, occupy small, part is small in quantity, and the assembly is simple, efficient, is convenient for maintain, uses the reliability high, stability is good, effective protective apparatus.

Description

Surge protector

Technical Field

The utility model relates to an electrical protection technical field especially relates to a surge protector.

Background

A surge protector is an electronic device for providing safety protection for various electronic equipment, instruments and meters and communication lines. When the peak current or voltage is suddenly generated in an electric loop or a communication line due to external interference, the surge protector can conduct and shunt in a very short time, so that the damage of the surge to other equipment in the loop is avoided.

With the development of miniaturization and low cost of power supply equipment, the requirements on the surge protection device are higher and higher, the existing surge protection device is not compact in structure, large in occupied space, difficult to meet the requirement of miniaturization development, complex in structure, large in number of components, difficult to assemble, time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve and the technical task that provides improve prior art, provide a surge protector, the surge protector structure of solving among the prior art is complicated unreasonable, and occupation space is big, assembles the difficulty, the problem that wastes time and energy.

For solving the above technical problem, the technical scheme of the utility model is that:

a surge protector comprises an overvoltage protection component, a tripping mechanism and a main body part for bearing the overvoltage protection component and the tripping mechanism, the tripping mechanism comprises a separating elastic sheet, an isolating piece and an elastic piece, one pin of the overvoltage protection component and the separating elastic sheet are welded by low-temperature solder to form a separating welding point, the elastic piece is in an energy storage state before the elastic piece is separated from the pin of the overvoltage protection component and the pin is not disconnected, and the isolating piece is pushed to move to the position between the pin of the overvoltage protection component and the separating spring plate for electrical isolation after the separating spring plate is separated from the pin of the overvoltage protection component, a remote signaling part for triggering a remote signaling signal is integrally arranged on the isolating piece, and the isolating piece is also provided with a first indicating surface for indicating the working state, and the main body piece is provided with a second indicating surface matched with the first indicating surface. Surge protector with remote signalling function, state indication function and tripping device integrated as an organic whole, compact structure, occupy smallly, part is small in quantity, easily assembly, be convenient for maintain, traditional technical means is the remote signalling pin structure that adopts the touching shell fragment, perhaps sets up by isolator driven transmission assembly, goes to carry out remote signalling by transmission assembly again and triggers to the structure is complicated, part is in large quantities, occupation space is big, assembly efficiency is low, the utility model discloses got rid of unnecessary middle transition structure, remote signalling portion directly triggers remote signalling signal, simultaneously, first instruction face and the cooperation of second instruction face can be timely and accurate surge protector's operating condition when taking place the dropout, guarantee that can be timely maintain the change, effective protective apparatus improves the safety in utilization.

Furthermore, the main body part is provided with a partition plate with a through hole, the overvoltage protection assembly and the tripping mechanism are positioned on two sides of the partition plate respectively, and the pin of the overvoltage protection assembly and the tripping assembly are welded at the through hole through low-temperature solder to form a tripping welding point. The separation elastic sheet of the overvoltage protection component and the tripping mechanism is effectively separated by the partition plate, so that the electrical isolation effect after tripping is improved, and the use safety is improved.

Further, the main part on be provided with the arc extinguishing bars by the through-hole, the spacer removes to leaning on the arc extinguishing bars after breaking away from the pin separation of shell fragment and overvoltage protection subassembly, when producing electric arc, electric arc is drawn into the arc extinguishing bars piece under the contractile force effect of magnetic line of force, and a long electric arc is separated into the multistage short arc, improves the arc extinguishing effect, avoids high-temperature high-pressure electric arc to cause the loss of lives and property.

Furthermore, the main body part is provided with a cavity groove for accommodating the overvoltage protection component, the caliber size of the cavity groove is larger than the depth of the cavity groove, the overvoltage protection component is easy to install and place, and the assembly efficiency is improved.

Furthermore, the bottom wall of the cavity groove is a partition plate with a through hole, namely, the separation elastic sheet of the tripping mechanism is positioned outside the bottom wall of the cavity groove, so that the structure is compact, the implementation is simple, and the electrical isolation effect after tripping can be effectively guaranteed.

Further, surge protector be the module of plug mounting means, remote signalling portion be located the bottom side along the plug direction of main part, cooperate with the base that the surge protector was pegged graft in the power supply, real-time monitoring surge protector's operating condition can discover the very first time when surge protector loses efficacy, improves the promptness of maintaining, first instruction face, second instruction face be located the top side along the plug direction of main part, be convenient for audio-visual observation surge protector's operating condition.

Furthermore, the main body part is provided with a limiting sliding groove for guiding the remote signaling part, so that the remote signaling part can be precisely moved to trigger and generate an accurate remote signaling signal.

Furthermore, the clapboard is easy to arrange the mounting structure of the tripping mechanism along the plugging direction, and the overall structure compactness of the surge protector is improved.

Furthermore, the surge protector also comprises a shell covering the overvoltage protection component, the tripping mechanism and the main body part, the shell is provided with an indication window for displaying a first indication surface and a second indication surface, the lateral wall surface of the shell in the plugging direction is provided with an elastic part capable of elastically deforming to the inside of the shell, the elastic part is provided with a convex card and part, each element inside the shell is protected by the shell, the normal and stable work of each element is ensured, the electrical isolation effect is ensured, and the change of the first indication surface and the second indication surface is observed through the indication window, so that the working state of the surge protector is intuitively and accurately mastered, and the utility model utilizes the card and part arranged on the elastic part to realize the stable connection of the surge protector on a base matched with the surge protector, ensure the reliability of the working process, and avoid the accidental separation of the surge protector, and the elastic part can be conveniently and efficiently detached by pressing, and the assembly, disassembly and maintenance are convenient and efficient.

Furthermore, set up the seam groove that runs through the wall of L shape on the wall of shell so that the wall forms the elasticity portion, simple structure, easily processing to the resilience of the elasticity portion of this kind of structure is good, is difficult for appearing the impaired situation that can't stable realization block of elasticity portion fracture, ensures surge protector installation reliable and stable simultaneously, also ensures that surge protector can be convenient installs and removes.

Compared with the prior art, the utility model discloses the advantage lies in:

surge protector with remote signaling function, state indication function and tripping device integrated as an organic whole, compact structure, occupy small, part is small in quantity, the assembly is simple, efficient, be convenient for maintain, use the reliability high, stability is good, effective protective apparatus, it is good to use the security.

Drawings

FIG. 1 is a schematic view of an assembly structure of an overvoltage protection component, a tripping mechanism and a main body part;

FIG. 2 is a rear side view of the structure of FIG. 1;

fig. 3 is a schematic view of the housing structure of the surge protector.

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 embodiment of the utility model discloses a surge protector, the structure is retrencied, compact, and occupation space is little, installs and removes convenient and fast, ensures good protective properties simultaneously.

As shown in fig. 1 to 3, a surge protector mainly includes an overvoltage protection component 1, a tripping mechanism 2, a main body 3 for carrying the overvoltage protection component 1 and the tripping mechanism 2, and a housing 4 for covering the overvoltage protection component 1, the tripping mechanism 2, and the main body 3, wherein the tripping mechanism 2 includes a separation spring 21, a spacer 22, and an elastic member 23, the main body 3 is provided with a partition plate having a through hole 31, the separation spring 21 of the overvoltage protection component 1 and the tripping mechanism 2 are respectively located at two sides of the partition plate, a pin of the overvoltage protection component 1 and the separation spring 21 are welded at the through hole by a low temperature solder to form a separation welding point, the main body 3 is provided with a first working electrode 32 and a second working electrode 33, another pin of the overvoltage protection component 1 is electrically connected with the first working electrode 32, the separation spring 21 is electrically connected with the second working electrode 33, the elastic piece 23 is in an energy storage state before the separation spring 21 and the pin of the overvoltage protection component 1 are not disconnected, and pushes the isolating piece 22 to move to a position between the separation spring 21 and the pin of the overvoltage protection component 1 for electrical isolation after the separation spring 21 is separated from the pin of the overvoltage protection component 1;

in this embodiment, the isolating member 22 is integrally provided with a remote signaling portion 25 for triggering a remote signaling signal, the isolating member 22 is further provided with a first indicating surface 24 for indicating an operating state, the main body member 3 is provided with a second indicating surface 34 matched with the first indicating surface 24, the first indicating surface 24 and the second indicating surface 34 have different colors, the housing is provided with an indicating window 41 for displaying the first indicating surface 24 and the second indicating surface 34, when the separating spring 21 and the pin of the overvoltage protection component 1 are not in a tripping state, the first indicating surface may be overlapped on the surface of the second indicating surface, so that the indicating window 41 sees the first indicating surface, and the first indicating surface moves away to expose the second indicating surface after tripping occurs, that is, the indicating window 41 sees the second indicating surface after tripping occurs, or the second indicating surface is exposed to the indicating window 41 when the separating spring is not in the tripping state, and after the tripping occurs, the first indicating surface moves to the surface covering the second indicating surface so as to display the first indicating surface from the indicating window 41; the remote signaling function, the state indicating function is integrated with the tripping mechanism, the working state of the surge protector is monitored in real time by utilizing remote signaling, the working state can be found at the first time when the surge protector fails, the maintenance timeliness is improved, the working state of the surge protector can be visually mastered by utilizing the first indicating surface and the second indicating surface, the structure is compact, the number of parts is small, the first indicating surface and the remote signaling part move synchronously along with the isolating piece, and the accuracy and the timeliness of the state indication and the monitoring of the surge protector can be improved.

Specifically, the main body part 3 is provided with a cavity groove 35 for accommodating the overvoltage protection component 1, the caliber size of the cavity groove 35 is larger than the depth of the cavity groove 35, the house overvoltage protection component 1 is easy to mount, the overvoltage protection component 1 can be a piezoresistor, and the bottom wall of the cavity groove 35 is a partition plate with a through hole 31, so that a separation spring sheet of the tripping mechanism is positioned on the outer side of the bottom wall of the cavity groove, and the structure is compact and easy to implement; an arc extinguishing grid 36 located beside the through hole 31 is arranged on one side of the partition plate where the separation spring sheet is located on the main body piece 3, and the isolating piece 22 moves to abut against the arc extinguishing grid 36 under the pushing action of the elastic piece after the separation spring sheet 21 is separated from the pin of the overvoltage protection component 1, so that the arc extinguishing effect is improved.

In this embodiment, the surge protector is a module of a plug-in mounting manner, the first working electrode 32 and the second working electrode 33 are disposed on the bottom side of the main body 3 along the plug-in direction and protrude from the bottom side of the main body 3, the first working electrode 32 and the second working electrode 33 are directly plugged into the electrical plug interface on the base matched with the surge protector, and the mouth of the cavity 35 for accommodating the overvoltage protection component 1 faces the perpendicular direction of the plug-in direction, so that the partition plate with the through hole faces the plug-in direction, the elastic component 23 is a spring perpendicular to the plug-in direction, one end of the spring is connected with the partition, the other end of the spring is connected with the main body, the spring is disposed on each side of the through hole, the spring drives the partition 22 to directly move in the direction perpendicular to the plug-in direction, the main body 3 is provided with a guide bar along the moving direction of the partition 22, the partition 22 is provided with a guide groove matched with the guide, make isolator 22 can be stable accurate remove to ensure that isolator can be accurate move to overvoltage protection component 1 the pin and break away from between the shell fragment 21, remote signaling portion 25 and first instruction face 24 are located isolator 22 moving direction's both sides respectively, and is specific, remote signaling portion 25 be located main part 3 along the bottom side of plug direction, set up spacing spout 37 that is used for leading remote signaling portion 25 on main part 3, first instruction face 24, second instruction face 34 be located main part 3 along the top side of plug direction, thereby instruction window 41 sets up the operating condition at the top side of shell, easily audio-visual observation surge protector.

The lateral wall surface of the shell 4 in the plugging direction is provided with an elastic part 42 which can elastically deform towards the inside of the shell 4, and the elastic part 42 is provided with a convex clamping part 43; set up the slot groove that twice run through the wall on the wall of shell 4, the wall region between the slot groove of twice constitutes elastic part 42, perhaps can also be, set up the slot groove that runs through the wall of L shape on the wall of shell 4 so that the wall forms elastic part 42, the stability of guarantee surge protector installation avoids appearing the unexpected situation of deviating from of surge protector, also can convenient and fast install and remove simultaneously, easy to maintain changes.

An anti-reverse-insertion positioning part 38 is arranged on the bottom side of the main body part 3 along the plugging direction, the anti-reverse-insertion positioning part 38 is of a protruding structure, an anti-reverse-insertion positioning groove matched with the anti-reverse-insertion positioning part 38 is arranged on the base matched with the surge protector, the anti-reverse-insertion positioning part 38 can play a role in guiding and positioning, the surge protector can be correctly plugged onto the base, and the surge protector can be normally and stably protected.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. A surge protector is characterized by comprising an overvoltage protection component (1), a tripping mechanism (2) and a main body part (3) for bearing the overvoltage protection component (1) and the tripping mechanism (2), wherein the tripping mechanism (2) comprises a separation spring plate (21), an isolating piece (22) and an elastic piece (23), one pin of the overvoltage protection component (1) and the separation spring plate (21) form a separation welding point through low-temperature welding, the elastic piece (23) is in an energy storage state before the pin of the separation spring plate (21) and the overvoltage protection component (1) is not disconnected, and pushes the isolating piece (22) to move to the position where the separation spring plate (21) is separated from the pin of the overvoltage protection component (1) to electrically isolate the pin of the overvoltage protection component (1), and a remote signaling part (25) for triggering a remote signaling signal is integrally arranged on the isolating piece (22), and the isolating piece (22) is also provided with a first indicating surface (24) for indicating the working state, and the main body piece (3) is provided with a second indicating surface (34) matched with the first indicating surface (24).

2. A surge protector according to claim 1, wherein the main body (3) is provided with a partition plate having a through hole (31), the overvoltage protection component (1) and the separation spring (21) of the trip mechanism (2) are respectively located at two sides of the partition plate, and the pin of the overvoltage protection component (1) and the separation spring (21) are welded at the through hole by low-temperature solder to form a separation welding point.

3. A surge arrester as claimed in claim 2, wherein the main body member (3) is provided with an arc chute (36) adjacent to the through hole (31), and the separator (22) moves against the arc chute (36) after the separation spring (21) separates from the pin of the overvoltage protection component (1).

4. A surge arrester as claimed in claim 2, wherein the body member (3) is provided with a cavity (35) for receiving the overvoltage protection component (1), and the cavity (35) has a caliber dimension greater than a depth of the cavity (35).

5. A surge arrester as claimed in claim 4, wherein a bottom wall of the cavity (35) is a partition wall having a through hole (31).

6. A surge protector according to any one of claims 2 to 5, wherein the surge protector is a plug-in mounting type module, the remote signaling portion (25) is located on the bottom side of the main body member (3) in the plug-in direction, and the first indication surface (24) and the second indication surface (34) are located on the top side of the main body member (3) in the plug-in direction.

7. A surge arrester as claimed in claim 6, wherein the body member (3) is provided with a limiting runner (37) for guiding the remote signalling portion (25).

8. A surge protector device according to claim 6, wherein the membrane is in the insertion and extraction direction.

9. A surge protector according to claim 6, further comprising a housing (4) for housing the overvoltage protection device (1), the trip mechanism (2) and the main body member (3), wherein the housing is provided with an indication window (41) for displaying the first indication surface (24) and the second indication surface (34), the housing (4) is provided with an elastic portion (42) which can be elastically deformed toward the inside of the housing (4) on a lateral wall surface in the plugging direction, and the elastic portion (42) is provided with a protruding engaging portion (43).

10. A surge arrester as claimed in claim 9, wherein the wall of the housing (4) is provided with an L-shaped slit through the wall to form the resilient portion (42).