Lightning protection device, surge protector, backup protector and electric connector

Abstract

The embodiment of the invention provides a lightning protection device, a surge protector, a backup protector and an electric connector. The lightning protection device comprises a surge protector and a backup protector which can be connected through a connecting pin. The surge protector comprises a first shell, and a first connecting hole is formed in the side, facing the backup protector, of the first shell; and a first live wire side conductive member disposed in the first housing. The backup protector comprises a second shell, and a second connecting hole corresponding to the first connecting hole is formed in one side, facing the surge protector, of the second shell; and a second live wire side conductive member disposed in the second housing. At least one of the backup protector and the surge protector further comprises an electric connector, the electric connector is arranged in the corresponding shell and electrically connected to the corresponding live wire side conductive piece, and the connecting pin penetrates through the first connecting hole and the second connecting hole and is inserted into the electric connector.

Description

Technical Field

[0001] Embodiments of the present disclosure generally relate to the technical field of electrical equipment, and more specifically, to a lightning protection device, a surge protector, a backup protector, and an electrical connector. Background Art

[0002] SPD, or surge protector, is an electronic device that provides safety protection for various electronic equipment, instruments, and communication lines. In a low-voltage power distribution system, when a spike current or voltage (such as overvoltage caused by lightning) is suddenly generated in an electrical circuit or communication line due to external interference, the surge protector can conduct and shunt in a very short time, thereby preventing the surge from damaging other equipment in the circuit.

[0003] SSD is a backup protector connected in series with the front end of SPD, also known as an external disconnector. As a backup protection device of the new generation of surge protectors, SSD has a strong breaking capacity when short-circuit current occurs and has a high surge tolerance. Taking both breaking capacity and surge tolerance into account, its short-circuit operating current is much lower than that of traditional backup protection devices. It can effectively break low short-circuit currents and provide more sophisticated short-circuit protection for surge protectors.

[0004] In order to achieve the connection between the SSD and the SPD, a conventional solution is to form the SSD and the SPD as independent products and connect them through wires. However, the additional wires increase the product cost and are inconvenient to use. Another conventional solution is to form the SSD and the SPD as an integrated product. This solution limits the flexibility of the product, and when one of the SSD and the SPD has a problem, it can only be replaced as a whole, and the part with the problem cannot be replaced separately. Summary of the invention

[0005] The purpose of the present disclosure is to provide a lightning protection device, a surge protector, a backup protector and an electrical connector to at least partially solve the above problems.

[0006] In a first aspect of the present disclosure, there is provided a lightning protection device, comprising a surge protector and a backup protector that can be connected via a connecting pin. The surge protector comprises: a first shell, a first connecting hole is provided on a side of the first shell facing the backup protector; and a first live wire side conductor is provided in the first shell. The backup protector comprises: a second shell, a second connecting hole corresponding to the first connecting hole is provided on a side of the second shell facing the surge protector; and a second live wire side conductor is provided in the second shell. At least one of the backup protector and the surge protector further comprises an electrical connector, which is provided in a corresponding shell and electrically connected to a corresponding live wire side conductor, and the connecting pin passes through the first connecting hole and the second connecting hole and is plugged into the electrical connector.

[0007] In some embodiments, the electrical connector includes a first connector, a second connector and a third connector, the first connector includes a base and a first connector arranged on opposite sides of the base, the second connector includes a bending portion and a second connecting portion, one end of the bending portion is connected to the first side of the base, and the other end of the bending portion is connected to the second connecting portion, a gap is formed between the second connecting portion and the surface of the base facing away from the first connecting portion, and the gap is located at a position corresponding to the corresponding connecting hole, the connecting pin passes through the first connecting hole and the second connecting hole and is inserted into the gap to contact the base and the second connecting portion, the first connector is for the corresponding live wire side conductive member to be plugged in, and the third connector is connected to an end of the second connecting portion away from the bending portion and extends in a direction from the second connecting portion to the base.

[0008] In some embodiments, the surge protector includes a first electrical connector, and the backup protector includes a second electrical connector. The first electrical connector and the second electrical connector are respectively constructed as the electrical connectors, one end of the connecting pin is inserted into the gap of the first electrical connector, and the other end of the connecting pin is inserted into the gap of the second electrical connector.

[0009] In some embodiments, the surge protector includes a first electrical connector, which is configured as the electrical connector, one end of the connecting pin is inserted into the gap of the first electrical connector, and the other end of the connecting pin is fixedly connected to the backup protector and electrically connected to the second live wire side conductor.

[0010] In some embodiments, the surge protector further includes an electrical connector disposed on the live line side, and the third connector of the first electrical connector is connected to the electrical connector.

[0011] In some embodiments, the backup protector includes a second electrical connector, which is configured as the electrical connector, one end of the connecting pin is inserted into the gap of the second electrical connector, and the other end of the connecting pin is fixedly connected to the surge protector and electrically connected to the first live wire side conductor.

[0012] In some embodiments, the surge protector also includes a third electrical connector, a grounding side conductive member and a grounding member, the third electrical connector is constructed as the electrical connector, the first connecting member of the third electrical connector is plugged into the grounding side conductive member, and the third connecting member of the third electrical connector is connected to the grounding member.

[0013] In some embodiments, a third connecting hole is provided on the first shell at a position corresponding to the gap of the third electrical connector.

[0014] In some embodiments, the backup protector is a first backup protector, the surge protector is a first surge protector, the first backup protector and the first surge protector constitute a first phase protection unit, and the lightning protection device also includes a second phase protection unit and a bus, the second phase protection unit includes a second backup protector and a second surge protector connected via a connecting pin, the second surge protector includes the first shell, the grounding side conductor and the third electrical connector, the bus passes through the gap of the third electrical connector of the first surge protector, the third connecting hole on the first shell of the first surge protector, the third connecting hole on the first shell of the second surge protector, and the gap of the third electrical connector of the second surge protector, and contacts the base of the third electrical connector and the second connecting portion.

[0015] In some embodiments, a fourth connection hole corresponding to the third connection hole is provided on the second shell, and the busbar also passes through the fourth connection hole.

[0016] In some embodiments, at least two first connection portions are disposed on the first side of the base, and the bent portion is connected to a position of the first side of the base located between adjacent first connection portions.

[0017] In some embodiments, a protrusion is disposed on the surface of the second connecting portion facing the base portion.

[0018] In a second aspect of the present disclosure, a surge protector is provided, comprising: a first shell, a first connecting hole being provided on the first shell; a first electrical connector, the first electrical connector being provided in the first shell and comprising a first connecting member, a second connecting member and a third connecting member, the first connecting member comprising a base and a first connecting member provided on opposite sides of the base, the second connecting member comprising a bending portion and a second connecting portion, one end of the bending portion being connected to a first side of the base, the other end of the bending portion being connected to the second connecting portion, a gap being formed between the second connecting portion and a surface of the base facing away from the first connecting portion, the gap being located at a position corresponding to the first connecting hole, the third connecting member being connected to an end of the second connecting member away from the bending portion and extending in a direction from the second connecting portion to the base; and a first live wire side conductive member being provided in the first shell and plugged into the first connecting member.

[0019] In some embodiments, the surge protector further includes a cover covering the first connection hole and being removable from the first connection hole.

[0020] In some embodiments, the surge protector also includes a third electrical connector, a grounding side conductor and a grounding member, the third electrical connector includes a first connector, a second connector and a third connector, the first connector includes a base and a first connector arranged on opposite sides of the base, the second connector includes a bending portion and a second connecting portion, one end of the bending portion is connected to the first side of the base, the other end of the bending portion is connected to the second connecting portion, a gap is formed between the second connecting portion and the surface of the base facing away from the first connecting portion, the third connector is connected to an end of the second connecting portion away from the bending portion and extends in a direction from the second connecting portion to the base, the first connector of the third electrical connector is plugged into the grounding side conductor, and the third connector of the third electrical connector is connected to the grounding member.

[0021] In some embodiments, the surge protector further includes: an electrical connector disposed on the live wire side of the first housing and connected to the third connector of the first electrical connector.

[0022] In a third aspect of the present disclosure, a backup protector is provided, comprising: a second shell having a second connecting hole; a second electrical connector, which is arranged in the second shell and comprises a first connecting member, a second connecting member and a third connecting member, the first connecting member comprising a base and a first connecting member arranged on opposite sides of the base, the second connecting member comprising a bending portion and a second connecting portion, one end of the bending portion is connected to a first side of the base, the other end of the bending portion is connected to the second connecting portion, a gap is formed between the second connecting portion and a surface of the base facing away from the first connecting portion, wherein the gap is located at a position corresponding to the second connecting hole, the third connecting member is connected to an end of the second connecting member away from the bending portion and extends in a direction from the second connecting portion to the base; and a second live wire side conductive member, which is arranged in the second shell and plugged into the first connecting member.

[0023] In some embodiments, the backup protector further includes a cover covering the second connection hole and being removable from the second connection hole.

[0024] In a fourth aspect of the present disclosure, an electrical connector is provided, which is suitable for a surge protector or a backup protector, and the electrical connector comprises: a first connector, comprising a base and a first connector arranged on opposite sides of the base; a second connector, comprising a bending portion and a second connecting portion, one end of the bending portion is connected to the first side of the base, the other end of the bending portion is connected to the second connecting portion, and a gap is formed between the second connecting portion and a surface of the base facing away from the first connecting portion; and a third connector, the third connector is connected to an end of the second connecting portion away from the bending portion and extends in a direction from the second connecting portion to the base.

[0025] In some embodiments, at least two first connection portions are disposed on the first side of the base, and the bent portion is connected to a position of the first side of the base located between adjacent first connection portions.

[0026] In some embodiments, a protrusion is disposed on the surface of the second connecting portion facing the base portion.

[0027] According to the embodiments of the present disclosure, the surge protector and the backup protector can be conveniently connected together through the connecting pin. This can avoid the cumbersome operation of connecting through wires and save costs. On the other hand, since the surge protector and the backup protector are separately provided, when a problem occurs in one of them, only the problematic part can be replaced without replacing the entire product.

[0028] It should be understood that the content described in this content section is not intended to limit the key features or important features of the embodiments of the present disclosure, nor is it intended to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The above and other features, advantages and aspects of the embodiments of the present disclosure will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. In the accompanying drawings, the same or similar reference numerals represent the same or similar elements, wherein:

[0030] Figure 1 A schematic structural diagram of a lightning protection device according to an embodiment of the present disclosure is shown;

[0031] Figure 2 A schematic structural diagram of a surge protector according to an embodiment of the present disclosure is shown;

[0032] Figure 3 Shows Figure 2 The schematic diagram of the internal structure of the surge protector shown;

[0033] Figure 4 A schematic structural diagram of an electrical connector according to an embodiment of the present disclosure is shown;

[0034] Figure 5 A schematic structural diagram of a backup protector according to an embodiment of the present disclosure is shown;

[0035] Figure 6 A schematic diagram of assembling a backup protector and a connecting pin according to an embodiment of the present disclosure is shown;

[0036] Figure 7 A schematic diagram of the internal structure of a surge protector according to another embodiment of the present disclosure is shown;

[0037] Figure 8 A schematic structural diagram of a lightning protection device according to another embodiment of the present disclosure is shown;

[0038] Fig. 9 Shows Figure 8 An exploded schematic diagram of a lightning protection device is shown;

[0039] Fig.10 Shows Fig. 9 A schematic diagram of the internal structure of a first surge protector in the lightning protection device shown; and

[0040] Fig.11 A schematic structural diagram of a busbar according to an embodiment of the present disclosure is shown.

[0041] Description of reference numerals:

[0042] 10 electrical connector; 101 first electrical connector; 102 third electrical connector; 11 first connector; 111 base; 112 first connector; 12 second connector; 121 bent portion; 122 second connector; 1221 raised portion; 123 gap; 13 third connector; 3 surge protector; 310 first surge protector; 320 second surge protector; 30 first shell; 301 first connecting hole; 302 third connecting hole; 303 wiring hole; 31 first live wire side conductive member; 32 ground side conductive member; 2 backup protector; 210 first backup protector; 220 second backup protector; 20 second shell; 201 second connecting hole; 202 fourth connecting hole; 33 grounding member; 34 electrical connector; 4 connecting pin; 5 busbar; 100 lightning protection device; 110 first phase protection unit; 120 second phase protection unit. DETAILED DESCRIPTION

[0043] The preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present disclosure more thorough and complete, and to fully convey the scope of the present disclosure to those skilled in the art.

[0044] As used herein, the term "including" and its variations mean open inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "based at least in part on". The terms "an example embodiment" and "an embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc. may refer to different or the same objects.

[0045] As mentioned above, connecting the SSD and SPD through wires will increase product costs and is inconvenient to use. Forming the SSD and SPD into an integrated product limits the flexibility of product use. When a problem occurs in one of the SSD and SPD, they can only be replaced as a whole, and the problematic part cannot be replaced separately. According to an embodiment of the present disclosure, by providing an electrical connector in at least one of the surge protector and the backup protector, the surge protector and the backup protector can be conveniently connected by plugging in a connecting pin. On the one hand, this can avoid the cumbersome operations when connecting through wires and save costs; on the other hand, since the surge protector and the backup protector are provided separately, when a problem occurs in one of them, only the problematic part can be replaced without replacing the entire product. The following will combine Figures 1 to 11 The principles of the present disclosure are described.

[0046] Figure 1 FIG. 2 shows a schematic diagram of the structure of a lightning protection device according to an embodiment of the present disclosure. Figure 1 As shown, the lightning protection device 100 described herein generally includes a surge protector 3 and a backup protector 2. The surge protector 3 and the backup protector 2 are in a state of being assembled with each other. The combination of the surge protector 3 and the backup protector 2 can form a 1P lightning protection device connected to one pole of the line. In an embodiment of the present disclosure, the surge protector 3 and the backup protector 2 can be easily assembled together or easily separated from each other, which will be described in detail below.

[0047] like Figure 1 As shown, the surge protector 3 includes a first housing 30. Other components of the surge protector 3 can be arranged in the first housing 30 or connected to the first housing 30. The backup protector 2 includes a second housing 20. Other components of the backup protector 2 can be arranged in the second housing 20 or arranged on the second housing 20.

[0048] In order to realize the assembly of the surge protector 3 and the backup protector 2, an electrical connector may be provided in at least one of the surge protector 3 and the backup protector 2. Next, the assembly method of the surge protector 3 and the backup protector 2 will be described by taking the arrangement of the electrical connector in the surge protector 3 as an example. It should be understood that the assembly of the surge protector 3 and the backup protector 2 can also be realized by separately providing an electrical connector in the backup protector 2 or by providing electrical connectors in both the surge protector 3 and the backup protector 2, which will be further described in detail below.

[0049] Figure 2 FIG. 4 shows a schematic structural diagram of a surge protector 3 according to an embodiment of the present disclosure. Figure 3 Shows Figure 2 The internal structure diagram of the surge protector 3 is shown in FIG. Figure 4 FIG. 1 shows a schematic structural diagram of an electrical connector 10 according to an embodiment of the present disclosure. Figure 5 FIG. 2 shows a schematic structural diagram of a backup protector 2 according to an embodiment of the present disclosure. Figure 6 A schematic diagram of assembling the backup protector 2 and the connecting pin 4 according to an embodiment of the present disclosure is shown.

[0050] In one embodiment, Figure 2 As shown, a first connection hole 301 is provided on one side of the first housing 30 facing the backup protector 2, and the first connection hole 301 is located on the live line side of the surge protector 3. Figure 5As shown, a second connection hole 201 corresponding to the first connection hole 301 is provided on one side of the second housing 20 facing the surge protector 3, and the second connection hole 201 is located on the live wire side of the backup protector 2. When the surge protector 3 and the backup protector 2 are assembled with each other, the first connection hole 301 and the second connection hole 201 are substantially aligned. The electrical connection between the live wire side of the surge protector 3 and the live wire side of the backup protector 2 can be achieved by the connection pin 4 passing through the first connection hole 301 and the second connection hole 201.

[0051] In one embodiment, Figure 6 As shown, a connecting pin 4 is provided in the second connecting hole 201. One end of the connecting pin 4 is provided in the second housing 20 for electrically connecting to the live side of the backup protector 2. The other end of the connecting pin 4 extends outside the second housing 20 for electrically connecting to the live side of the surge protector 3. In this document, for the convenience of description, the end of the connecting pin 4 for electrically connecting to the backup protector 2 may also be referred to as the first end of the connecting pin 4, and the end of the connecting pin 4 for electrically connecting to the surge protector 3 may also be referred to as the second end of the connecting pin 4.

[0052] In one embodiment, the first end of the connecting pin 4 can be directly or indirectly fixedly connected to the live wire side conductor of the backup protector 2 via an intermediate connector. In other words, the connecting pin 4 can be directly integrally formed on the backup protector 2, and the second end of the connecting pin 4 extends outside the second housing 20. The second end of the connecting pin 4 can be plugged into the first connecting hole 301 on the surge protector 3 and electrically connected to the live wire side of the surge protector 3. In one embodiment, the surge protector 3 includes a cover that covers the first connecting hole 301 and can be removed from the first connecting hole 301. When the surge protector 3 needs to be assembled with the backup protector 2, the cover can be torn off from the first connecting hole 301, and the second end of the connecting pin 4 can be inserted into the first connecting hole 301. When the surge protector 3 is used alone, the cover can cover the first connecting hole 301.

[0053] In order to connect the second end of the connecting pin 4 to the live wire side of the surge protector 3, a first electrical connector 101 may be provided in the surge protector 3, such as Figure 3 The first electrical connector 101 is disposed on the live side of the surge protector 3 and is electrically connected to the first live side conductive member 31 of the surge protector 3. When the second end of the connecting pin 4 is inserted into the first connecting hole 301 on the surge protector 3, the second end of the connecting pin 4 can be electrically connected to the first electrical connector 101. The first electrical connector 101 can be Figure 4 The structure of the electrical connector 10 is shown in FIG.

[0054] In one embodiment, Figure 4As shown, the electrical connector 10 includes a first connector 11, a second connector 12 and a third connector 13. The first connector 11 is used to connect the first live wire side conductor 31 of the surge protector 3. The second connector 12 is used to connect the second end of the connecting pin 4. The third connector 13 is used to connect the electrical connector 34 arranged on the live wire side of the surge protector 3. The first connector 11 includes a base 111 and first connecting portions 112 arranged on opposite sides of the base 111. The first live wire side conductor 31 can be inserted between the first connecting portions 112 arranged on both sides of the base 111 and contact the first connecting portions 112 to achieve electrical connection between the first connector 11 and the first live wire side conductor 31. The second connector 12 includes a bent portion 121 and a second connecting portion 122. One end of the bent portion 121 is connected to the first side of the base 111. The other end of the bent portion 121 is connected to the second connecting portion 122. A gap 123 is formed between the second connection portion 122 and the surface of the base 111 facing away from the first connection portion 112. Figures 2 to 6 , the gap 123 is located at a position corresponding to the first connection hole 301. When the second end of the connecting pin 4 is plugged into the first connection hole 301 on the surge protector 3, the second end of the connecting pin 4 can be inserted into the gap 123 and contact the base 111 and the second connecting portion 122, thereby realizing the electrical connection between the connecting pin 4 and the first electrical connector 101. The distance of the gap 123 is controllable and can be appropriately selected as needed. The third connecting member 13 is connected to an end of the second connecting portion 122 away from the bending portion 121 and extends substantially in a direction from the second connecting portion 122 to the base 111. The third connecting member 13 can be connected to the electrical connector 34 by welding or any available connection method.

[0055] When the surge protector 3 is used alone, the electrical connector 34 can be connected via the wiring hole 303 of the first housing 30 corresponding to the electrical connector 34. When the surge protector 3 needs to be assembled with the backup protector 2, it is not necessary to connect the electrical connector 34 via the wiring hole 303, and only the connecting pin 4 needs to be used to connect the first electrical connector 101.

[0056] In one embodiment, Figure 3 and Figure 4 As shown, the bent portion 121 may be generally U-shaped. It should be understood that the bent portion 121 may have other shapes as long as it can connect the base 111 and the second connection portion 122 and form a gap 123 between the second connection portion 122 and the base 111 .

[0057] In one embodiment, Figure 4As shown, two first connection parts 112 are provided on the first side of the base 111, and the bending part 121 is connected to the position of the first side of the base 111 located between the two first connection parts 112. In some embodiments, more than two first connection parts 112 may be provided on the first side of the base 111, and the bending part 121 is connected to the position of the first side of the base 111 located between adjacent first connection parts 112. When the first live wire side conductive member 31 is inserted into the first connector 11, it may come into contact with each first connection part 112 to improve the connection reliability.

[0058] In one embodiment, Figure 4 As shown, two first connection parts 112 are disposed on the second side of the base 111 opposite to the first side, and the two first connection parts 112 on the second side of the base 111 correspond to the two first connection parts 112 on the first side of the base 111. In some embodiments, when more than two first connection parts 112 are disposed on the first side of the base 111, more than two first connection parts 112 may be correspondingly disposed on the second side of the base 111, and the more than two first connection parts 112 on the second side of the base 111 correspond one-to-one to the more than two first connection parts 112 on the first side of the base 111.

[0059] In one embodiment, Figure 4 As shown, a protrusion 1221 is provided on the surface of the second connection portion 122 facing the base 111. When the second end of the connection pin 4 is plugged into the first connection hole 301 on the surge protector 3, the second end of the connection pin 4 can be inserted into the gap 123 and contact the base 111 and the protrusion 1221. With this arrangement, the second end of the connection pin 4 can be in close contact with the protrusion 1221, thereby improving the connection reliability between the second end of the connection pin 4 and the first electrical connector 101.

[0060] In some embodiments, Figure 4 As shown, the third connector 13 of the first electrical connector 101 is substantially perpendicular to the second connector 122. It should be understood that, depending on the arrangement orientation of the electrical connector 34, it is also feasible to arrange the third connector 13 in other directions relative to the second connector 122. Figure 3 As shown, the ground side of the surge protector 3 is provided with a third electrical connector 102, a ground side conductive member 32 and a grounding member 33. The third electrical connector 102 can be Figure 4The structure of the electrical connector 10 shown in FIG. The first connector 11 of the third electrical connector 102 is plugged into the ground-side conductive member 32. The ground-side conductive member 32 can be inserted between the first connecting parts 112 of the third electrical connector 102 disposed on both sides of the base 111 and contact the first connecting parts 112 to achieve electrical connection between the first connector 11 of the third electrical connector 102 and the ground-side conductive member 32. The third connector 13 of the third electrical connector 102 is connected to the grounding member 33. The third connector 13 can be connected to the grounding member 33 by welding or any feasible connection method.

[0061] In some embodiments, Figure 4 As shown, the third connector 13 of the third electrical connector 102 is substantially perpendicular to the second connector 122. It should be understood that, depending on the orientation of the grounding member 33, it is also feasible to arrange the third connector 13 of the third electrical connector 102 in other directions relative to the second connector 122.

[0062] As described above, arranging an electrical connector in the backup protector 2 alone or arranging electrical connectors in both the surge protector 3 and the backup protector 2 can also realize the assembly of the surge protector 3 and the backup protector 2. The following will further describe these two situations respectively.

[0063] First, the case where the electrical connector 10 is separately provided in the backup protector 2 is described, that is, the electrical connector 10 is provided only on the live wire side of the backup protector 2, and the electrical connector 10 is not provided on the live wire side of the surge protector 3. In this case, the second end of the connecting pin 4 can be directly or indirectly fixedly connected to the live wire side of the surge protector 3 via an intermediate connecting member. In other words, the connecting pin 4 can be directly formed integrally on the surge protector 3. In combination with the above Figures 2 to 6 Similar to the situation described, the first end of the connecting pin 4 can be inserted into the second connecting hole 201 on the backup protector 2 and electrically connected to the live wire side of the backup protector 2. In order to connect the first end of the connecting pin 4 to the live wire side of the backup protector 2, a second electrical connector (not shown in the figure) can be provided in the backup protector 2. The second electrical connector is provided on the live wire side of the backup protector 2 and is electrically connected to the second live wire side conductive member (not shown) of the backup protector 2. When the first end of the connecting pin 4 is inserted into the second connecting hole 201 on the backup protector 2, the first end of the connecting pin 4 can be electrically connected to the second electrical connector. The second electrical connector can also be provided in a Figure 4 The structure of the electrical connector 10 is shown in FIG.

[0064] The second live wire side conductive member of the backup protector 2 can be inserted between the first connecting parts 112 of the second electrical connector arranged on both sides of the base 111 and contact the first connecting part 112 to achieve electrical connection between the first connecting part 11 of the second electrical connector and the second live wire side conductive member. The gap 123 of the second electrical connector is arranged at a position corresponding to the second connecting hole 201. When the first end of the connecting pin 4 is plugged into the second connecting hole 201 on the backup protector 2, the first end of the connecting pin 4 can be inserted into the gap 123 of the second electrical connector and contact the base 111 of the second electrical connector and the second connecting part 122, thereby achieving electrical connection between the connecting pin 4 and the second electrical connector. In this way, the surge protector 3 and the backup protector 2 can also be conveniently assembled together.

[0065] In one embodiment, the backup protector 2 includes a cover that covers the second connection hole 201 and can be removed from the second connection hole 201. When the surge protector 3 needs to be assembled with the backup protector 2, the cover can be torn off the second connection hole 201, and the first end of the connection pin 4 can be inserted into the second connection hole 201. When the backup protector 2 is used alone, the cover can cover the second connection hole 201.

[0066] Next, the case where the electrical connector 10 is provided in both the surge protector 3 and the backup protector 2 is described. In this case, the surge protector 3 may be provided with the first electrical connector 101 as described above, and the backup protector 2 may be provided with the second electrical connector as described above. When the surge protector 3 and the backup protector 2 are assembled, the first end of the connecting pin 4 may be inserted into the second connecting hole 201 on the backup protector 2, and the second end of the connecting pin 4 may be inserted into the first connecting hole 301 on the surge protector 3. The first end of the connecting pin 4 may extend into the gap 123 on the second electrical connector and contact the base 111 and the second connecting portion 122 of the second electrical connector. The second end of the connecting pin 4 may extend into the gap 123 on the first electrical connector 101 and contact the base 111 and the second connecting portion 122 of the first electrical connector 101. In this way, the surge protector 3 and the backup protector 2 can also be conveniently assembled together.

[0067] In one embodiment, a cover may be provided on both the first connection hole 301 and the second connection hole 201. When the surge protector 3 and the backup protector 2 need to be assembled, the cover may be torn off the first connection hole 301 and the second connection hole 201, and the two ends of the connection pin 4 may be inserted into the first connection hole 301 and the second connection hole 201, respectively.

[0068] In some embodiments, corresponding positions on the first housing 30 and the second housing 20 are provided with card slots (not shown in the figure). After the surge protector 3 is connected to the backup protector 2 by using the connecting pin 4, the surge protector 3 and the backup protector 2 can be assembled together by snapping the hook into the card slot. In this way, the surge protector 3 and the backup protector 2 can be conveniently and reliably fixed together. It should be understood that other fixing methods are also feasible, such as by screws, and the embodiments of the present disclosure are not limited to this.

[0069] According to an embodiment of the present disclosure, the electrical connector 10 having the first connector 11 and the second connector 12 can be used to conveniently connect the surge protector 3 and the backup protector 2, so that the user can select the required surge protector 3 and backup protector 2 for flexible assembly according to needs.

[0070] Figure 7 FIG. 4 is a schematic diagram showing the internal structure of a surge protector 3 according to another embodiment of the present disclosure. Figure 7 The structure of the surge protector 3 shown is similar to Figure 3 The structure of the surge protector 3 shown is similar, the main difference is Figure 7 The surge protector 3 shown in the figure does not have an electrical connector 34, and the first electrical connector 101 is arranged in a direction similar to the Figure 3 The surge protector 3 shown is different. Only the differences between them will be described in detail below, and the same parts will not be repeated.

[0071] like Figure 7 As shown, the first electrical connector 101 is arranged on the live side of the surge protector 3, and its first connector 11 is electrically connected to the first live side conductive member 31 of the surge protector 3. When the second end of the connecting pin 4 is plugged into the first connecting hole 301 on the surge protector 3, the second end of the connecting pin 4 can be inserted into the gap 123 between the first connector 11 and the second connector 12 of the first electrical connector 101. The third connector 13 of the first electrical connector 101 is not used in this embodiment, that is, it is not electrically connected to other components. With this embodiment, the surge protector 3 and the backup protector 2 can also be conveniently assembled together using the connecting pin 4.

[0072] Combined with the above Figures 1 to 6 The lightning protection device 100 described is a 1P lightning protection device, which is used to be connected to one pole of a line. In some embodiments, multiple poles of the line need to be connected to the lightning protection device. In this case, the lightning protection device 100 may include multiple groups of surge protectors 3 and backup protectors 2, wherein each group of surge protectors 3 and backup protectors 2 may be combined with Figures 1 to 6The lightning protection device 100 is assembled together in the manner described and connected to a corresponding pole of the line. In the case where the lightning protection device 100 includes two groups of surge protectors 3 and backup protectors 2, the lightning protection device 100 can be called a 2P lightning protection device. In the case where the lightning protection device 100 includes three groups of surge protectors 3 and backup protectors 2, the lightning protection device 100 can be called a 3P lightning protection device, and so on.

[0073] The following will take the case where the lightning protection device 100 includes two groups of surge protectors 3 and backup protectors 2 as an example to describe the assembly method of multiple groups of surge protectors 3 and backup protectors 2. Figures 8 to 11 It should be understood that more groups of surge protectors 3 and backup protectors 2 can be assembled in a similar manner, which will not be described in detail in this article.

[0074] In some embodiments, Figures 8 to 11 As shown, the first backup protector 210 and the first surge protector 310 can form the first phase protection unit 110 in the assembly method described above, which is used to connect one pole of the line. The second backup protector 220 and the second surge protector 320 can form the second phase protection unit 120 in the assembly method described above, which is used to connect the other pole of the line. The first backup protector 210 and the second backup protector 220 can adopt the structure of the backup protector 2 described above. One of the first surge protector 310 and the second surge protector 320 can adopt the structure of the surge protector 3 described above. The other of the first surge protector 310 and the second surge protector 320 can adopt a structure similar to the surge protector 3 described above, except that there is no need to set the grounding member 33 therein. The grounding side of the first surge protector 310 can be electrically connected to the grounding side of the second surge protector 320 via the bus 5.

[0075] It should be understood that when the lightning protection device 10 includes multiple groups of surge protectors 3 and backup protectors 2, since the grounding sides of each surge protector 3 are electrically connected using a bus 5, current discharge can be achieved by setting a grounding member 33 in only one of the surge protectors 3, without the need to set a grounding member 33 in each surge protector.

[0076] In one embodiment, in combination Figure 1 , Figure 2 and Fig. 9A third connection hole 302 is provided on the side of the first housing 30 of the first surge protector 310 facing the first backup protector 210, and the third connection hole 302 is located at a position corresponding to the gap 123 of the third electrical connector 102 of the first surge protector 310. A third connection hole 302 is provided on the side of the first housing 30 of the second surge protector 320 facing away from the second backup protector 220, and the third connection hole 302 is located at a position corresponding to the gap 123 of the third electrical connector 102 of the second surge protector 320. Figure 5 , Figure 6 and Fig. 9 Fourth connection holes 202 are provided on opposite sides of the second shell 20 of the first backup protector 210 , and the fourth connection holes 202 are provided at positions corresponding to the third connection holes 302 .

[0077] When the first phase protection unit 110 is assembled with the second phase protection unit 120, one end of the busbar 5 can be inserted into the gap 123 of the third electrical connector 102 in the second surge protector 320 via the third connection hole 302 on the second surge protector 320, and contact the base 111 and the second connection portion 122. The other end of the busbar 5 can pass through the fourth connection hole 202 on the first backup protector 210, and be inserted into the gap 123 of the third electrical connector 102 in the first surge protector 310 via the third connection hole 302 on the first surge protector 310, and contact the base 111 and the second connection portion 122. With this arrangement, electrical connection between the grounding sides of different phase protection units is achieved. In addition, since the third connector 13 of the third electrical connector 102 of the first surge protector 310 is electrically connected to the grounding member 33, the grounding sides of each phase protection unit can be electrically connected to the grounding member 33.

[0078] In some embodiments, a third connection hole 302 may also be provided on the side of the first shell 30 of the first surge protector 310 facing away from the first backup protector 210 , so as to further connect one or more phase protection units on the right side of the first surge protector 310 using the busbar 5 .

[0079] In some embodiments, a third connection hole 302 may also be provided on the side of the first shell 30 of the second surge protector 320 facing the second backup protector 220, and fourth connection holes 202 may also be provided on the opposite sides of the second shell 20 of the second backup protector 220 so that one or more phase protection units can be further connected on the left side of the second backup protector 220 using the busbar 5.

[0080] In one embodiment, Fig.11As shown, the busbar 5 is generally a sheet-like structure. The dimensions of the two ends of the busbar 5 may be slightly smaller than that of the middle portion, so as to be more easily inserted into the corresponding connecting hole.

[0081] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A lightning protection device (100), comprising a surge protector (3) and a backup protector (2) which can be connected via a connecting pin (4), wherein The surge protector (3) comprises: A first shell (30), wherein a first connection hole (301) is provided on a side of the first shell (30) facing the backup protector (2); and a first live-line-side conductive member (31), arranged in the first housing (30); The backup protector (2) comprises: a second shell (20), a second connection hole (201) corresponding to the first connection hole (301) being arranged on a side of the second shell (20) facing the surge protector (3); and a second live wire side conductive member arranged in the second shell (20); At least one of the backup protector (2) and the surge protector (3) further comprises an electrical connector (10), wherein the electrical connector (10) is arranged in a corresponding housing and electrically connected to a corresponding live-line side conductor, and the connecting pin (4) passes through the first connecting hole (301) and the second connecting hole (201) and is plugged into the electrical connector (10).

2. The lightning protection device (100) according to claim 1, wherein the electrical connector (10) comprises a first connector (11), a second connector (12) and a third connector (13), the first connector (11) comprising a base (111) and a first connector (112) arranged on two opposite sides of the base (111), the second connector (12) comprising a bent portion (121) and a second connector (122), one end of the bent portion (121) being connected to a first side of the base (111), the other end of the bent portion (121) being connected to the second connector (122), the second connector (122) and the base (111) being connected to each other. ) forms a gap (123) between the surfaces of the second connecting part (112) and the second connecting part (122), the gap (123) being located at a position corresponding to the corresponding connecting hole, the connecting pin (4) passes through the first connecting hole (301) and the second connecting hole (201) and is inserted into the gap (123) to contact the base (111) and the second connecting part (122), the first connecting member (11) is plugged into the corresponding live wire side conductive member, the third connecting member (13) is connected to an end of the second connecting part (122) away from the bending portion (121) and extends in a direction from the second connecting part (122) to the base (111).

3. The lightning protection device (100) according to claim 2, wherein the surge protector (3) includes a first electrical connector (101), the backup protector (2) includes a second electrical connector, the first electrical connector (101) and the second electrical connector are respectively configured as the electrical connector (10), one end of the connecting pin (4) is inserted into the gap (123) of the first electrical connector (101), and the other end of the connecting pin (4) is inserted into the gap (123) of the second electrical connector.

4. The lightning protection device (100) according to claim 2, wherein the surge protector (3) comprises a first electrical connector (101), the first electrical connector (101) is configured as the electrical connector (10), one end of the connecting pin (4) is inserted into the gap (123) of the first electrical connector (101), and the other end of the connecting pin (4) is fixedly connected to the backup protector (2) and electrically connected to the second live wire side conductive member.

5. The lightning protection device (100) according to claim 3 or 4, wherein the surge protector (3) further comprises an electrical connector (34) arranged on the live line side, and the third connector (13) of the first electrical connector (101) is connected to the electrical connector (34).

6. The lightning protection device (100) according to claim 2, wherein the backup protector (2) comprises a second electrical connector, the second electrical connector is configured as the electrical connector (10), one end of the connecting pin (4) is inserted into the gap (123) of the second electrical connector, and the other end of the connecting pin (4) is fixedly connected to the surge protector (3) and electrically connected to the first live wire side conductor (31).

7. The lightning protection device (100) according to claim 2, wherein the surge protector (3) further comprises a third electrical connector (102), a grounding-side conductive member (32) and a grounding member (33), the third electrical connector (102) being configured as the electrical connector (10), the first connecting member (11) of the third electrical connector (102) being plugged into the grounding-side conductive member (32), and the third connecting member (13) of the third electrical connector (102) being connected to the grounding member (33).

8. The lightning protection device (100) according to claim 7, wherein a third connection hole (302) is provided on the first shell (30) at a position corresponding to the gap (123) of the third electrical connector (102).

9. The lightning protection device (100) according to claim 8, wherein the backup protector (2) is a first backup protector (210), the surge protector (3) is a first surge protector (310), the first backup protector (210) and the first surge protector (310) constitute a first phase protection unit (110), and the lightning protection device (100) further comprises a second phase protection unit (120) and a busbar (5), the second phase protection unit (120) comprises a second backup protector (220) and a second surge protector (320) connected via a connecting pin (4), The second surge protector (320) comprises the first shell (30), the ground-side conductive member (32) and the third electrical connector (102); the busbar (5) passes through the gap (123) of the third electrical connector (102) of the first surge protector (310), the third connecting hole (302) on the first shell (30) of the first surge protector (310), the third connecting hole (302) on the first shell (30) of the second surge protector (320), and the gap (123) of the third electrical connector (102) of the second surge protector (320), and contacts the base (111) of the third electrical connector (102) and the second connecting portion (122).

10. The lightning protection device (100) according to claim 9, wherein a fourth connection hole (202) corresponding to the third connection hole (302) is provided on the second shell (20), and the busbar (5) also passes through the fourth connection hole (202).

11. The lightning protection device (100) according to claim 2, wherein at least two first connecting portions (112) are provided on the first side of the base (111), and the bending portion (121) is connected to a position on the first side of the base (111) located between adjacent first connecting portions (112).

12. The lightning protection device (100) according to claim 2, wherein a protrusion (1221) is provided on a surface of the second connecting portion (122) facing the base portion (111).

13. A surge protector (3), comprising: A first shell (30), wherein the first shell (30) is provided with a first connecting hole (301); A first electrical connector (101), the first electrical connector (101) is arranged in the first housing (30), and comprises a first connecting member (11), a second connecting member (12) and a third connecting member (13), the first connecting member (11) comprises a base (111) and a first connecting member (112) arranged on opposite sides of the base (111), the second connecting member (12) comprises a bent portion (121) and a second connecting portion (122), one end of the bent portion (121) is connected to a first side of the base (111), The other end of the bent portion (121) is connected to the second connecting portion (122), a gap (123) is formed between the second connecting portion (122) and a surface of the base (111) facing away from the first connecting portion (112), the gap (123) is located at a position corresponding to the first connecting hole (301), and the third connecting member (13) is connected to an end of the second connecting portion (122) away from the bent portion (121) and extends in a direction from the second connecting portion (122) to the base (111); and A first live-line-side conductive member (31) is arranged in the first housing (30) and plugged into the first connecting member (11).

14. The surge protector (3) according to claim 13, further comprising a cover member covering the first connection hole (301) and being removable from the first connection hole (301).

15. The surge protector (3) according to claim 13, further comprising a third electrical connector (102), a grounding-side conductive member (32) and a grounding member (33), wherein the third electrical connector (102) comprises a first connecting member (11), a second connecting member (12) and a third connecting member (13), wherein the first connecting member (11) comprises a base (111) and a first connecting member (112) arranged on two opposite sides of the base (111), and the second connecting member (12) comprises a bent portion (121) and a second connecting portion (122), wherein one end of the bent portion (121) is connected to a first side of the base (111), and the bent portion (121) is connected to a second side of the base (111). The other end of the connector (102) is connected to the second connecting portion (122), a gap (123) is formed between the second connecting portion (122) and a surface of the base (111) facing away from the first connecting portion (112), the third connecting member (13) is connected to an end of the second connecting portion (122) away from the bending portion (121) and extends in a direction from the second connecting portion (122) to the base (111), the first connecting member (11) of the third electrical connector (102) is plugged into the grounding side conductive member (32), and the third connecting member (13) of the third electrical connector (102) is connected to the grounding member (33).

16. The surge protector (3) according to claim 13, further comprising: An electrical connection piece (34) is arranged on the live wire side in the first housing (30) and connected to the third connection piece (13) of the first electrical connector (101).

17. A backup protector (2), comprising: A second shell (20), wherein the second shell (20) is provided with a second connecting hole (201); A second electrical connector, the second electrical connector is arranged in the second housing (20) and comprises a first connecting member (11), a second connecting member (12) and a third connecting member (13), the first connecting member (11) comprises a base (111) and a first connecting member (112) arranged on opposite sides of the base (111), the second connecting member (12) comprises a bending portion (121) and a second connecting portion (122), one end of the bending portion (121) is connected to a first side of the base (111), and the bending portion (122) is connected to a first side of the base (111). The other end of the third connecting member (121) is connected to the second connecting portion (122), a gap (123) is formed between the second connecting portion (122) and a surface of the base (111) facing away from the first connecting portion (112), wherein the gap (123) is located at a position corresponding to the second connecting hole (201), and the third connecting member (13) is connected to an end of the second connecting portion (122) away from the bent portion (121) and extends in a direction from the second connecting portion (122) to the base (111); as well as A second live-line-side conductive member is arranged in the second housing (20) and plugged into the first connecting member (11).

18. The backup protector (2) according to claim 17, further comprising a covering member covering the second connecting hole (201) and being removable from the second connecting hole (201).

19. An electrical connector (10), suitable for a surge protector (3) or a backup protector (2), the electrical connector (10) comprising: A first connecting member (11) comprising a base (111) and first connecting portions (112) arranged on opposite sides of the base (111); a second connecting member (12), comprising a bent portion (121) and a second connecting portion (122), one end of the bent portion (121) being connected to a first side of the base (111), the other end of the bent portion (121) being connected to the second connecting portion (122), a gap (123) being formed between the second connecting portion (122) and a surface of the base (111) facing away from the first connecting portion (112); and A third connecting member (13), the third connecting member (13) is connected to an end of the second connecting portion (122) away from the bending portion (121) and extends in a direction from the second connecting portion (122) to the base (111).

20. The electrical connector (10) according to claim 19, wherein at least two first connection portions (112) are provided on the first side of the base (111), and the bending portion (121) is connected to a position on the first side of the base (111) located between adjacent first connection portions (112).

21. The electrical connector (10) according to claim 19, wherein a protrusion (1221) is provided on a surface of the second connecting portion (122) facing the base portion (111).

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