CN212137277U

CN212137277U - Surge protector

Info

Publication number: CN212137277U
Application number: CN202020770146.5U
Authority: CN
Inventors: 何飞
Original assignee: Shenzhen Putai Electrical Co ltd
Current assignee: Shenzhen Putai Electrical Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-11
Anticipated expiration: 2030-05-11

Abstract

The utility model provides a surge protector, which comprises a shell, a partition board and a plurality of stacked PCB devices, wherein the PCB devices are arranged in the shell; a partition plate is arranged between any two adjacent PCB devices and is isolated from each other through the partition plate; the PCB device comprises a connecting terminal, and a port hole corresponding to the connecting terminal is formed in the shell. The utility model provides a surge protector, PCB device locate in body, make the body protect PCB device; the partition plate can separate any two adjacent PCB devices, so that the two adjacent PCB devices are independent from each other and do not influence each other, the short circuit caused by the contact of the two adjacent PCB devices is avoided, and the number of the PCB devices is increased to integrate the stacked PCB devices in one shell, so that the size of the total space occupied by the surge protector is reduced; the external circuit can be connected with the connecting terminal through the port hole on the shell, so that the PCB device plays a role in releasing surge.

Description

Surge protector

Technical Field

The utility model belongs to the technical field of the overvoltage protection, more specifically say, relate to a surge protector.

Background

Over-voltage caused by lightning strike induction, capacitive load switching on, inductive load switching off and the like is often encountered in power systems, and the over-voltage can cause damage to electric equipment. Surge Protection Devices (SPDs), commonly known as lightning protectors, are usually connected in parallel with electrical equipment in a circuit, and the voltage sensitive characteristics of the SPDs are used to protect the electrical equipment from various overvoltage damages, especially expensive, precise and uninterruptable electrical equipment, such as communication base station rooms, financial systems, stock exchange systems, high-value electrical equipment and other electrical related equipment and systems, and the surge protection devices are used to protect the equipment and systems from transient overvoltage caused by lightning or other reasons.

Current surge protector only includes a PCB device, when needs use a plurality of surge protector, can only stack a plurality of surge protector, and the total space that leads to all surge protector to occupy is great.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a surge protector to solve the technical problem that occupation space is big when using a plurality of surge protector that exist among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: the surge protector comprises a shell, a separation plate and a plurality of stacked PCB devices, wherein the PCB devices are arranged in the shell;

the partition plates are arranged between any two adjacent PCB devices and are mutually isolated through the partition plates;

the PCB device comprises a connecting terminal, and a port hole corresponding to the connecting terminal is formed in the shell.

Furthermore, the partition plate is clamped on the shell.

Further, the shell comprises a lower shell and an upper shell which is covered with the lower shell;

the lower shell is provided with a clamping groove, the partition plate is provided with a clamping protrusion, and the clamping protrusion can be inserted into the clamping groove from top to bottom.

Furthermore, the PCB device also comprises a PCB board and components, and the connecting terminal and the components are arranged on the PCB board;

a first inserting groove is formed in the shell, and the connecting terminal corresponding to the first inserting groove can extend into the first inserting groove;

the first insertion groove is communicated with the port hole.

Furthermore, a first supporting piece is arranged on the shell, and can penetrate through the PCB corresponding to the first supporting piece and can be abutted against the separation plate arranged on the first supporting piece;

the second support piece is arranged on the separation plate, can penetrate through the PCB corresponding to the second support piece and can be abutted against the separation plate or the shell arranged above the second support piece.

Furthermore, a first groove is formed in the partition plate, and the component corresponding to the first groove can extend into the first groove;

and a second groove is further formed in the shell, and the component corresponding to the second groove can extend into the second groove.

Furthermore, a second inserting groove is formed in the partition plate, and the connecting terminal corresponding to the second inserting groove can extend into the second inserting groove;

the second insertion groove is communicated with the port hole.

Further, the PCB board is attached to the inner wall of the shell.

Furthermore, a third groove is formed in the PCB, and the component corresponding to the third groove extends into the third groove.

Further, the device also comprises a screw;

still be equipped with the fixed orifices on the casing, the screw is located in the fixed orifices, and can with connecting terminal butt.

The utility model provides a surge protector's beneficial effect lies in: compared with the prior art, the PCB device of the surge protector is arranged in the shell, so that the shell can protect the PCB device, avoid the PCB device from being damaged due to collision, and also avoid the short circuit between the PCB device and foreign objects; the partition plate can separate any two adjacent PCB devices, so that the two adjacent PCB devices are independent from each other and do not influence each other, the short circuit caused by the contact of the two adjacent PCB devices is avoided, and the number of the PCB devices is increased to integrate the stacked PCB devices in one shell, so that the size of the total space occupied by the surge protector is reduced; the external circuit can be connected with the connecting terminal through the port hole on the shell, so that the PCB device plays a role in releasing surge.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a surge protector provided in an embodiment of the present invention;

fig. 2 is an exploded view of the surge protector device of fig. 1;

FIG. 3 is a schematic structural diagram of the PCB device of FIG. 2;

FIG. 4 is a schematic view of the partition plate of FIG. 2;

fig. 5 is a structural view of the lower case of fig. 2.

Wherein, in the figures, the respective reference numerals:

1. a housing; 11. an upper shell; 12. a lower case; 121. a card slot; 122. a first insertion groove; 123. a fixing hole; 124. a first support member; 125. a second groove; 13. a port hole; 2. a partition plate; 21. clamping convex; 22. a first groove; 23. a second insertion groove; 24. a second support member; 3. a PCB device; 31. a PCB board; 311. a third groove; 32. a component; 33. a connection terminal; 4. and (4) screws.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and fig. 2, a surge protector according to the present invention will now be described. The surge protector comprises a shell 1, a separation plate 2 and a plurality of stacked PCB devices 3, wherein the PCB devices 3 are arranged in the shell 1;

a partition plate 2 is arranged between any two adjacent PCB devices 3 and is isolated from each other through the partition plate 2;

the PCB assembly 3 includes a connection terminal 33, and the housing 1 is provided with a port hole 13 corresponding to the connection terminal 33.

Compared with the prior art, the surge protector provided by the utility model, the PCB device 3 is arranged in the shell 1, so that the shell 1 can protect the PCB device 3, prevent the PCB device 3 from being damaged due to collision, and prevent the PCB device 3 from short circuit with foreign objects; the partition plate 2 can separate any two adjacent PCB devices 3, so that the two adjacent PCB devices 3 are independent from each other and do not influence each other, the short circuit caused by the contact of the two adjacent PCB devices 3 is avoided, and the plurality of stacked PCB devices 3 are integrated in one shell 1 by increasing the number of the PCB devices 3, so that the size of the total space occupied by the surge protector is reduced; the external circuit can connect the connection terminal 33 through the port hole 13 of the housing 1, thereby allowing the PCB assembly 3 to function as a surge relief.

Further, please refer to fig. 2, as a specific embodiment of the surge protection device provided by the present invention, the partition plate 2 is connected to the housing 1 in a clamping manner, so as to improve the assembling efficiency of the partition plate 2 and the housing 1, and simplify the connection between the partition plate 2 and the housing 1, thereby reducing the cost.

Further, referring to fig. 2, fig. 4 and fig. 5, as a specific embodiment of the surge protector provided by the present invention, the housing 1 includes a lower shell 12 and an upper shell 11 covering the lower shell 12, so as to conveniently assemble the PCB apparatus 3 in the housing 1;

a clamping groove 121 is formed in the lower shell 12, a clamping protrusion 21 is formed in the partition plate 2, and the clamping protrusion 21 can be inserted into the clamping groove 121 from top to bottom, so that when the partition plate 2 is clamped in the lower shell 12, the clamping protrusion 21 can be directly pressed into the clamping groove 121 from top to bottom by pressing the PCB 31, and therefore the time for clamping the partition plate 2 in the shell 1 is shortened, and the assembling efficiency of the partition plate 2 and the shell 1 is improved; because the clamping protrusion 21 can be inserted into the clamping groove 121 from top to bottom, the groove wall of the clamping groove 121 can limit the horizontal displacement of the clamping protrusion 21, so that the partition board 2 is horizontally limited through the clamping groove 121.

Further, referring to fig. 1, fig. 3 and fig. 5, as a specific embodiment of the surge protector provided by the present invention, the PCB apparatus 3 further includes a PCB 31 and a component 32, the connecting terminal 33 and the component 32 are both disposed on the PCB 31, and the PCB 31, the component 32 and the connecting terminal 33 can form a surge relief module, thereby achieving the purpose of relieving a surge; an external circuit can be communicated with the connecting terminal 33 through the port hole 13 so as to facilitate the use of the surge protector by a user;

a first insertion groove 122 is formed in the housing 1, and a connecting terminal 33 corresponding to the first insertion groove 122 can extend into the first insertion groove 122, so that the connecting terminal 33 is limited to move along a part of the direction by a groove wall of the first insertion groove 122, the connecting terminal 33 is conveniently in conductive communication with an external circuit, a short circuit caused by contact between a connector lug and other structures when the connecting terminal 33 is communicated with the external circuit is avoided, and the connecting terminal 33 can be protected by the first insertion groove 122;

the first insertion groove 122 communicates with the port hole 13 so that an external circuit can be inserted into the housing 1 to be connected with the connection terminal 33, thereby connecting the corresponding PCB panel 31 to the external circuit.

Specifically, referring to fig. 5, the first insertion groove 122 is disposed on the lower casing 12, so as to facilitate the PCB 31 to be placed and assembled in the lower casing 12.

Further, referring to fig. 2, fig. 4 and fig. 5, as a specific embodiment of the surge protector provided by the present invention, the housing 1 is provided with a first supporting member 124, the first supporting member 124 can pass through the PCB 31 corresponding thereto and can abut against the partition plate 2 disposed thereon, the first supporting member 124 can quickly position the PCB 31 corresponding thereto, so as to improve the efficiency of mounting the PCB 31; after the PCB 31 is mounted, the first supporting member 124 can restrict the corresponding PCB 31 from moving in the horizontal direction; by the first support member 124 abutting the separation plate 2 to support the separation plate 2, the pressure of the separation plate 2 on the PCB device 3 is reduced, and the PCB device 3 is prevented from being damaged;

the second supporting piece 24 is arranged on the partition plate 2, the second supporting piece 24 can penetrate through the PCB 31 corresponding to the second supporting piece 24 and can be abutted against the partition plate 2 or the shell 1 arranged above the second supporting piece 24, and the second supporting piece 24 can quickly position the PCB 31 corresponding to the second supporting piece 24 so as to improve the efficiency of installing the PCB 31; after the PCB 31 is mounted, the second supporting member 24 can limit the corresponding PCB 31 from moving in the horizontal direction; by the second support 24 abutting against the partition plate 2 or the housing 1 to support the partition plate 2 or the housing 1, the pressure of the partition plate 2 or the housing 1 on the PCB device 3 is reduced, and the PCB device 3 is prevented from being damaged.

Specifically, referring to fig. 5, the first supporting member 124 is disposed on the lower shell 12.

Further, please refer to fig. 2 and fig. 5, as a specific embodiment of the surge protector provided by the present invention, the notch of the first inserting groove 122 faces the PCB 31, so that when the PCB 31 is placed in the housing 1, the connecting terminal 33 can be directly pressed into the first inserting groove 122 by pressing the PCB 31, so as to reduce the time for placing the PCB 31 into the housing 1, thereby improving the assembling efficiency of the PCB 31 and the housing 1.

Further, please refer to fig. 3 and fig. 4, as a specific embodiment of the surge protector provided by the present invention, the partition plate 2 is provided with a first groove 22, and the component 32 corresponding to the first groove 22 can extend into the first groove 22, so as to reduce the sum of the heights of the component 32 and the partition plate 2, thereby reducing the volume of the surge protector;

a second groove 125 is further formed in the housing 1, and the component 32 corresponding to the second groove 125 can extend into the second groove 125, so as to reduce the height of the component 32 in the housing 1, thereby reducing the volume of the surge protector.

Specifically, referring to fig. 5, the second groove 125 is disposed in the lower shell 12.

Further, please refer to fig. 3 and fig. 4, as a specific embodiment of the surge protector provided by the present invention, the partition plate 2 is provided with the second inserting groove 23, the connecting terminal 33 corresponding to the second inserting groove 23 can extend into the second inserting groove 23, so as to limit the connecting terminal 33 to move along a part of the direction through the groove wall of the second inserting groove 23, thereby facilitating the conductive communication between the connecting terminal 33 and the external circuit, avoiding the short circuit caused by the contact between the connector lug when the connecting terminal 33 is communicated with the external circuit and other structures, and protecting the connecting terminal 33 through the second inserting groove 23;

the second insertion groove 23 communicates with the port hole 13 so that an external circuit can be inserted into the housing 1 to be connected with the connection terminal 33, thereby connecting the corresponding PCB panel 31 to the external circuit.

Further, please refer to fig. 2, as a specific implementation manner of the surge protection device provided by the present invention, the PCB 31 is attached to the inner wall of the housing 1, so as to reduce the collision between the PCB 31 and the housing 1 through the inner wall of the housing 1, thereby prolonging the service life of the surge protection device.

Further, please refer to fig. 3, as a specific implementation manner of the surge protection device provided by the present invention, the PCB 31 is further provided with a third groove 311, and the component 32 corresponding to the third groove 311 extends into the third groove 311, so as to reduce the total height of the PCB 31 and the component 32, thereby reducing the volume of the surge protection device.

Further, please refer to fig. 2 and fig. 5, which are specific embodiments of the surge protector of the present invention, further including a screw 4;

still be equipped with fixed orifices 123 on the casing 1, screw 4 locates in fixed orifices 123 to can with connecting terminal 33 butt, so that the user is through twisting screw 4 and connect external circuit on connecting terminal 33, improve the efficiency that external circuit and connecting terminal 33 are connected, convenience of customers uses.

Specifically, the fixing hole 123 is provided on the lower case 12.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Surge protector, its characterized in that: the PCB device comprises a shell, a partition plate and a plurality of stacked PCB devices, wherein the PCB devices are arranged in the shell;

2. A surge protector device as claimed in claim 1, wherein: the partition plate is clamped on the shell.

3. A surge protector device as claimed in claim 2, wherein: the shell comprises a lower shell and an upper shell covered with the lower shell;

4. A surge protector device as claimed in claim 1, wherein: the PCB device also comprises a PCB board and components, and the connecting terminal and the components are arranged on the PCB board;

the first insertion groove is communicated with the port hole.

5. A surge protector device as defined in claim 4, wherein: the shell is provided with a first supporting piece, and the first supporting piece can penetrate through the PCB corresponding to the first supporting piece and can be abutted against the separation plate arranged on the first supporting piece;

6. A surge protector device as defined in claim 4, wherein: the partition plate is provided with a first groove, and the component corresponding to the first groove can extend into the first groove;

7. A surge protector device as defined in claim 4, wherein: the partition plate is provided with a second insertion groove, and the connecting terminal corresponding to the second insertion groove can extend into the second insertion groove;

the second insertion groove is communicated with the port hole.

8. A surge protector device as defined in claim 4, wherein: the PCB is attached to the inner wall of the shell.

9. A surge protector device as defined in claim 4, wherein: the PCB is further provided with a third groove, and the component corresponding to the third groove extends into the third groove.

10. A surge protector device as defined in claim 4, wherein: the screw is also included;