CN218850402U

CN218850402U - Plug-pull base for surge protector and surge protector

Info

Publication number: CN218850402U
Application number: CN202223030626.6U
Authority: CN
Inventors: 毛小毛
Original assignee: Prosurge Electronics Co Ltd
Current assignee: Prosurge Electronics Co Ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-04-11
Anticipated expiration: 2032-11-15

Abstract

The utility model belongs to the technical field of the lightning protection, a plug base and surge protector for surge protector is provided, include: the surge protector plug-pull module comprises a plurality of independent base shells, a plurality of connecting rods and a plurality of connecting rods, wherein the plurality of independent base shells are used for installing the plug-pull module for the surge protector, and base internal components are arranged in the base shells; the base internal assembly comprises a wiring lug assembly, a clamping plate, a switch pressing plate and a wiring terminal, and the wiring terminal is used for transmitting a trigger signal to a remote terminal; the circuit board assembly is used for converting a trigger signal of any microswitch into a serial signal and transmitting the serial signal to a signal pin of the wiring terminal; the rivet is used for splicing a plurality of independent base shells; and the bus bar is used for splicing a plurality of independent wiring terminals on the same side of the base. Therefore, the rivets and the busbars for splicing the different bases are arranged on the plugging base, so that the different plugging bases can be combined more stably.

Description

Plug base for surge protector and surge protector

Technical Field

The utility model relates to a lightning protection technical field especially relates to a plug base and surge protector for surge protector.

Background

Surge Protection Devices (SPD) are indispensable devices for protecting electronic devices from lightning, and have been called "arresters" or "overvoltage protectors" in the past; the surge protector has the function that when spike 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 damage of surge to other equipment in the loop is avoided.

For example, chinese patent application No. CN 201010019307.8 discloses a surge suppressor with thermal protection function, which comprises an outer housing and a base with an assembly plate, wherein the base is provided with a surge suppressing element and a thermal protection device, the thermal protection device comprises a metal protrusion part electrically connected with a b electrode of the surge suppressing element, a compression spring, and a slider with an arc extinguishing member movable on a guide rail groove of the assembly plate; when the surge suppression element works normally, the low-temperature welding point is melted when power frequency accident current flows due to failure, the conductive metal component is disconnected from the metal protruding part, the spring pushes the arc extinguishing component on the sliding block to move, the disconnected gap is separated, an air flow is generated, the electric arc between the conductive metal component and the metal protruding part disconnection gap is blown out, and safer, timely and reliable circuit protection is provided.

For another example, a patent application with chinese patent application No. CN 201620143059.0 discloses a surge protection device, which includes a PCB board base, a lightning protection module, the lightning protection module includes a housing, a temperature probe, and a voltage sensitive chip; the lightning protection module is inserted on the PCB base; the temperature probe is arranged in the shell of the lightning protection module and is close to the pressure-sensitive chip.

For another example, the chinese patent application No. cn201921419522.X discloses a plug-in module for a surge protector and the surge protector, wherein the plug-in module comprises: the shell is used for accommodating the voltage sensitive element and corresponds to the circuit element, the side wall of the shell is provided with an anti-falling part, and the anti-falling part is matched with the limiting part in the base; if the plug module is installed in a base of the surge protector and when a force application member in the base applies a force to the plug module in a direction opposite to the installation direction of the plug module; spacing portion and anticreep portion contact to pop out from the base through spacing portion restriction plug module. Through increase cooperation structure between plug module and base for surge protector to prevent that surge protection module from being popped out by the mistake.

However, the plug-in module for surge protectors in the prior art lacks a technical solution as to how a plurality of different plug-in bases in the base are more firmly combined.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plug base and surge protector for surge protector sets up the rivet and the busbar of a plurality of different bases of concatenation on the plug base for a plurality of different plug bases can more firmly be combined.

The utility model provides a plug base for surge protector, a serial communication port, include:

the surge protector plug-pull module comprises a plurality of independent base shells, a plurality of plug-pull modules and a plurality of base connecting pieces, wherein the plug-pull modules are used for installing the surge protector plug-pull modules;

the base inner assembly comprises a wiring lug assembly, a clamping plate and a switch pressing plate, wherein the wiring lug assembly is used for crimping an external electric wire, the clamping plate is used for clamping a mounting accessory of a guide rail, and the switch pressing plate is used for transmitting the crimping force of the plugging module to a microswitch contact of the circuit board assembly;

the wiring terminal is used for transmitting a trigger signal to the remote terminal;

the circuit board assembly is used for converting a trigger signal of any microswitch into a serial signal and transmitting the serial signal to a signal pin of the wiring terminal; and

rivets for splicing a plurality of independent base shells;

and the bus bar is used for splicing a plurality of independent wiring terminals on the same side of the base.

The utility model discloses in the preferred embodiment, plug base for surge protector is still including being located screw spare, the circle of base shell lateral wall are buckled, the screw spare is used for spinning the wire of binding post, the circle is buckled and is used for hiding the binding post accessory.

The utility model discloses in the preferred embodiment, it is a plurality of independent the base shell includes left side shell and right side shell respectively, the mutual joint of left side shell and right side shell, and will wiring ear subassembly the joint board the switch clamp plate is blocked joint inside it.

In the preferred embodiment of the present invention, the number of the rivets is four, and the rivets are respectively disposed at the corners of the base housing.

In the preferred embodiment of the present invention, the bus bar is provided with a semicircular clip portion.

The utility model also provides a surge protector, a serial communication port, include: the surge protector is provided with a plugging base and plugging modules, wherein the number of the plugging modules corresponds to the number of the base shells.

In a preferred embodiment of the present invention, the plug base for the surge protection device includes a surge protection element and pins respectively connected to both ends of the surge protection element, and the pins are respectively inserted into the plug base for the surge protection device.

Adopt the above technical scheme provided by the utility model in, provide and be used for splicing a plurality of independence base shell's rivet to and be used for splicing a plurality of independence the base is with the binding post's of one side busbar, so set up rivet and the busbar of splicing a plurality of different bases on the plug base for a plurality of different plug bases can be assembled more firmly.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure and/or process particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

Fig. 1 is a schematic structural diagram of a surge protector according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the classification status of the surge protection device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a plug base for a surge protection device according to an embodiment of the present invention.

Fig. 4 is a top view of a plug base for a surge protection device according to an embodiment of the present invention.

Fig. 5 is an exploded view of a plug base for a surge protector according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a plug module for a surge protector according to an embodiment of the present invention.

Fig. 7 is an exploded schematic view of a plug module for a surge protection device according to an embodiment of the present invention.

Fig. 8 is a partial schematic view of a surge protector in a first state according to an embodiment of the present invention.

Fig. 9 is a side view of the surge protector device of fig. 8 in a first state.

Fig. 10 is a partial schematic view of fig. 9.

Fig. 11 is a partial schematic view of a surge protector in a second state according to an embodiment of the present invention.

Fig. 12 is a side view of the surge protector device of fig. 11 in a second state.

Fig. 13 is a partial schematic view of fig. 12.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and examples, so as to solve the technical problems by applying technical means to the present invention, and to fully understand and implement the technical effects of the present invention. It should be noted that the specific description is only for the purpose of making the present invention easier and clearer for those skilled in the art to understand, and is not a limiting explanation of the present invention; and as long as do not constitute conflicts, each embodiment and each feature in each embodiment in the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

In addition, the terminology used in the embodiments of the present invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

Examples

Fig. 1 to 13 and corresponding reference numerals are combined to further explain the surge protection device provided in this embodiment, for example, fig. 1 is a schematic structural diagram of the surge protection device provided in this embodiment, fig. 2 is a schematic classification state diagram of the surge protection device provided in this embodiment, fig. 3 is a schematic structural diagram of a plug base for the surge protection device provided in this embodiment, fig. 4 is a top view of the plug base for the surge protection device provided in this embodiment, and fig. 5 is an exploded schematic diagram of the plug base for the surge protection device provided in this embodiment.

As shown in fig. 1 to fig. 5, the present embodiment provides a plug base for a surge protector, where the plug module includes:

a plurality of

independent base housings

310, 320, 330, 340 for mounting plug modules for surge protectors, the

base housings

310, 320, 330, 340 having base internal components disposed therein; each

base housing

310, 320, 330, 340 is similar in construction and the internal components of the base within it are similar.

The base housing 310 is described as follows: the base inner assembly comprises a wiring lug assembly 311, a clamping plate 312 and a switch pressing plate 313, the wiring lug assembly 311 is used for crimping an external electric wire, the clamping plate 312 is used for clamping installation accessories of a guide rail, and the switch pressing plate 313 is used for transmitting crimping force of a plugging module to a micro-switch contact of a circuit board assembly.

A connection terminal 350 for transmitting a trigger signal to a remote terminal;

the circuit board assembly 360 is used for converting a trigger signal of any microswitch into a serial signal and transmitting the serial signal to a signal pin of the wiring terminal; and

rivets 370 for splicing a plurality of independent base shells;

and the bus bar 380 is used for splicing a plurality of independent wiring terminals on the same side of the base.

Among the above-mentioned technical scheme that this embodiment provided, provide the rivet that is used for splicing a plurality of independent base shells to and be used for splicing a plurality of independent bases and with the binding post's of one side busbar, so set up rivet and the busbar of a plurality of different bases of concatenation on the plug base, make a plurality of different plug bases can combine more firmly.

In a preferred embodiment of the present invention, the plug base for surge protection device further includes a screw 315 and a round buckle 314 located on the side wall of the base housing, the screw 315 is used for spinning the wire next to the terminal, and the round buckle 314 is used for covering the terminal fitting.

In a preferred embodiment of the present invention, the plurality of

independent base housings

310, 320, 330, 340 respectively include a left housing and a right housing, which are clamped to each other and in which the lug assembly 311, the clamping plate 312, and the switch pressing plate 313 are clamped.

In the preferred embodiment of the present embodiment, the number of the rivets 370 is four, and the rivets are respectively disposed near the corners of the base housing. The bus bar 380 is provided with a semicircular clamping portion. Specifically, the lug assembly 311, the clamping plate 312, the switch pressing plate 313, the round buckle 314 and the screw 315 are assembled on the connection between the left base shell 316 and the right base shell 310, so as to form a single P base, 4 or more similar bases are spliced and inserted into a circuit board assembly (also called a remote communication circuit board) 360, and then the circuit board assembly is connected with a stud through a press rivet 370 for crimping, so that the circuit board assembly and the stud are spliced into a whole.

As shown in fig. 1, the present embodiment also provides a surge protector, which includes: as described above, in any of the plug-in base 200 for surge protectors, and the plug-in modules 100, the number of the plug-in modules 100 corresponds to the number of the base housings 200.

In a preferred embodiment of this embodiment, the insertion and extraction base for surge protection device includes a surge protection element and two pins respectively connected to two ends of the surge protection element, and the pins are respectively inserted into the insertion and extraction base for surge protection device.

Specifically, fig. 6 is a schematic structural diagram of a plugging and unplugging module for a surge protector according to this embodiment, and fig. 7 is an exploded schematic diagram of the plugging and unplugging module for the surge protector according to this embodiment; fig. 8 is a partial schematic view of a surge protector device in a first state according to the present embodiment, fig. 9 is a side view of the surge protector device in the first state according to fig. 8, and fig. 10 is a partial schematic view of fig. 9; fig. 11 is a partial schematic view of the surge protector device of the present embodiment in a second state, fig. 12 is a side view of the surge protector device of fig. 11 in the second state, and fig. 13 is a partial schematic view of fig. 12.

The plug module 100 for a surge protector provided in this embodiment includes:

a housing 410 for protecting the internal components from touch;

an inner case 420 for fixing the lightning leakage element,

the voltage dependent resistor 430 (a kind of surge protection device) is used to clamp the voltage to a relatively fixed voltage value when an overvoltage occurs between two poles of the voltage dependent resistor, so as to protect the subsequent circuit. The current capacity of the voltage dependent resistor is Iimp14kA, and Iimp25kA is realized when the two pieces are connected in parallel

A first electrode plate 440 for welding with the varistor 430, transferring heat to the release plate 491 and transferring current to the second pin 490

A second electrode plate 450-for welding with the varistor 430 and transferring current to the first pin 480;

a first pin 480 for transmitting current and inserting into a mounting pin of a base;

a second prong 490 for delivering current to and from the mounting feet inserted into the base; and

a disengagement mechanism assembly comprising:

460-tension spring for pulling back 470 parts to make them rotate to indicate the failure of product

470-failure indication feature for indication of product failure.

The piezoresistor 430 is connected to the first electrode plate 440 and the second electrode plate 450, and is mounted on the inner case 420 after being connected. The tension spring 460 is coupled to the failure indicating member 470 and is mounted to the inner housing 420 with the second prong 490 and the first prong 480 connected thereto.

As shown in figures 8-10, figures 11-13,

when the surge protector is normal, the low-temperature alloy module (low-temperature welding point) 510 welds the first electrode plate 440 and the release sheet 491 together, the spring 460 does not have enough pull-back force to pull the release sheet 491 back, at this time, the contact structure of the release sheet 491 is pressed and connected with the contact of the microswitch 360, a closed signal state is given, the green release sheet 491 is seen from the window of the shell 410, the green state is seen from the window, and the normal surge protection module is displayed;

when the surge protector fails, the piezoresistor 430 heats up to melt the low-temperature alloy material of the low-temperature alloy module (low-temperature welding point) 510, the separation sheet 491 separates from the first electrode sheet 440 under the action of the tension spring 460, meanwhile, the separation sheet is not pressed against the switch press plate 313 any more, the contact of the micro switch 360 recovers deformation to give a disconnection signal state, the red inner shell 420 is seen from the window of the outer shell 410, and the red state is seen in the window to show that the surge protection module fails.

Finally, it should be understood that the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The above disclosed embodiments and technical content can be utilized by any person skilled in the art to make many possible variations, simple substitutions and the like without departing from the scope of the present invention, which is within the protection scope of the present invention.

Claims

1. The utility model provides a plug base for surge protector which characterized in that includes:

the surge protector plug-pull module comprises a plurality of independent base shells, a plurality of connecting rods and a plurality of connecting rods, wherein the plurality of independent base shells are used for installing the plug-pull module for the surge protector, and base internal components are arranged in the base shells;

the base internal assembly comprises a wiring lug assembly, a clamping plate and a switch pressing plate, wherein the wiring lug assembly is used for crimping an external electric wire, the clamping plate is used for clamping installation accessories of a guide rail, and the switch pressing plate is used for transmitting crimping force of the plugging module to a microswitch contact of the circuit board assembly;

rivets for splicing a plurality of independent base housings;

2. The base of claim 1, further comprising a screw member and a round buckle, the screw member is located on a side wall of the base housing, the screw member is used for spinning a wire next to the terminal, and the round buckle is used for covering the terminal fitting.

3. The surge protector plugging base as defined in claim 1, wherein a plurality of independent base housings respectively comprise a left side housing and a right side housing, the left side housing and the right side housing are snap-fitted to each other and the terminal lug assembly, the snap-fit plate and the switch holding plate are snap-fitted inside thereof.

4. The surge protector plugging base defined in claim 1, wherein the number of the rivets is four, and the rivets are respectively disposed at corners near the base housing.

5. The inserting and pulling base for the surge protector as claimed in claim 1, wherein the bus bar is provided with a semicircular clamping portion.

6. A surge protector device, comprising: a plug base for a surge protector according to any of claims 1-5, and a number of plug modules corresponding to the number of base housings.

7. The surge protector device as claimed in claim 6, wherein the surge protector plugging and unplugging base comprises a surge protection element and pins respectively connected to both ends of the surge protection element, and the pins are respectively inserted into the surge protector plugging and unplugging base.