CN209843975U - Weak electric-room equipotential grounding box in building - Google Patents
Weak electric-room equipotential grounding box in building Download PDFInfo
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- CN209843975U CN209843975U CN201920494567.7U CN201920494567U CN209843975U CN 209843975 U CN209843975 U CN 209843975U CN 201920494567 U CN201920494567 U CN 201920494567U CN 209843975 U CN209843975 U CN 209843975U
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Abstract
The utility model provides an equipotential grounding box between weak electric rooms in a building, which comprises a grounding box body, and a grounding terminal board, an equipotential connector and a grounding body which are arranged in the grounding box body, wherein the grounding terminal board is insulated from the grounding box body; the equipotential connector is connected with the grounding terminal board and the grounding body through wires respectively. The utility model discloses an equipotential grounding box between light current in building, simple structure, stability, production and processing are convenient, and simple to operate can adapt to the equipotential grounding box of various different equipotential connector producers, can protect the safety of information system and device when the thunderbolt.
Description
Technical Field
The utility model relates to an equipotential grounding box between weak current in building among civil construction, the industrial building belongs to electrical installation ground connection technical field.
Background
At present, the difference between the equipotential grounding box of the weak current and the common grounding terminal box is small, and the requirement of single-point grounding of the building information system cannot be met. In particular, the existing equipotential grounding box between weak electric rooms can not ensure the safety of information systems and equipment in buildings when the box is struck by lightning.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light current electric potential grounding case in building for information system and equipment avoid the harm of thunderbolt in the protection building, simplify the work progress simultaneously, conveniently connect ground connection main line and grounding body, have the commonality.
In order to achieve the above objects and other related objects, the present invention provides an equipotential grounding box for weak cells in a building, comprising a grounding box body, and a grounding terminal board, an equipotential connector and a grounding body which are arranged in the grounding box body, wherein the grounding terminal board is insulated from the grounding box body; the equipotential connector is connected with the grounding terminal board and the grounding body through wires respectively.
Preferably, the grounding box body is made of 304 stainless steel with the thickness of 3 mm.
Preferably, the ground terminal plate is made of a 400x40x4 copper plate, and the ground body is made of flat steel.
Preferably, the grounding device further comprises an insulating porcelain bottle, wherein the insulating porcelain bottle is installed between the grounding terminal board and the grounding box body to ensure that the grounding terminal board and the grounding box body are insulated.
Preferably, the grounding body is reliably and electrically connected with a nearby grounding body or a structural steel bar in a building, and local equipotential is formed under the condition of guaranteeing lightning stroke.
Preferably, the ground terminal plate is reliably electrically connected with a ground terminal plate or a total equipotential ground terminal plate in a weak-current equipotential ground box in other buildings.
Preferably, at least two cable stub connectors are respectively arranged on the ground terminal board and the ground body.
Preferably, the bottom of the wiring box body is provided with a vent hole, and the top of the wiring box body is provided with a grounding cable inlet and outlet hole.
Preferably, the equipotential connectors connect the ground terminal board and the ground body by BJY-1x50 cables, respectively.
To sum up, the utility model provides an in-building weak current room equipotential grounding box installs ground terminal board, equipotential connector and grounding body in the grounding box, the equipotential connector passes through the wire and connects ground terminal board and grounding body respectively, the potential connector switches on when thunderbolt, and information ground is connected with the metal electricity near the equipotential connecting box, forms local equipotential, guarantees the safety of information system and equipment; when the system is in a non-lightning state, the equipotential connector is not conducted, and the information system is grounded through the grounding trunk line to form single-point grounding, so that the reliable operation of the information system is guaranteed. An insulating porcelain insulator is arranged between the grounding terminal board and the grounding box body to ensure that the grounding terminal board and the grounding box body are insulated. Meanwhile, the equipotential grounding box between the weak electric fields in the building has the advantages of simple and stable structure, convenient production and processing, convenient installation, universality and repeated use.
Drawings
Fig. 1 is a front view of a low-voltage equipotential grounding box in a building according to a first embodiment of the present invention;
figure 2 is a top view of a weak-electric-potential equipotential grounding box inside the building shown in figure 1,
FIG. 3 is a side view of a weak-electric-potential equipotential grounding box inside the building shown in FIG. 1;
the cable grounding structure comprises a grounding box body 1, a grounding terminal plate 2, an equipotential connector 3, an insulating porcelain bottle 4, a grounding body 5, a cable pile joint 6, a grounding cable 7, an installation support 8, a nut 9 and a drop hole 10.
Detailed Description
The utility model discloses a core thought lies in providing one kind and can protect the interior equipotential grounding box between the interior light current of building of information system and equipment safety in the building when encountering the thunderbolt, and the work progress can be simplified to the equipotential grounding box between the interior light current of this building simultaneously, conveniently connects grounding main line and grounding body, has the commonality.
In order to realize the above idea, the utility model provides an equipotential grounding box between weak current in building installs ground terminal board, equipotential connector and the grounding body in the grounding box, the equipotential connector passes through the wire and connects respectively ground terminal board with the grounding body, when thunderbolt the potentiometric connector switches on, and the information ground forms local equipotential with the metal electrical intercommunication near equipotential connecting box, guarantees the safety of information system and equipment.
In order to make the objects, advantages and features of the present invention clearer, the following description will be made in detail with reference to fig. 1-3 for an equipotential grounding box in a weak current room in a building. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example one
As shown in fig. 1, it is a front view of an equipotential grounding box between weak electric rooms in a building according to a first embodiment of the present invention. The utility model provides an equipotential grounding box between weak electric rooms in buildings, which comprises a grounding box body 1, and a grounding terminal plate 2, an equipotential connector 3 and a grounding body 5 which are arranged in the grounding box body 1, wherein the grounding terminal plate 2 is insulated from the grounding box body 1; the equipotential connector 3 is connected to the ground terminal plate 2 and the ground body 5 by wires, respectively.
Wherein, the grounding box body 1 can be made of 304 stainless steel with the thickness of 3 mm. As shown in fig. 2, the top view of the equipotential grounding box with weak electric room in the building, 5 dropping holes 10 are provided on the top of the grounding box body 1 for the grounding cables to go in and out. Of course, the number of the falling holes 10 can be one or more, and can be adjusted according to actual needs. In addition, the bottom of the wiring box body 1 can be provided with a vent hole for air circulation.
The ground terminal plate 2 can be made of a 400x40x4 copper plate and is mounted on an insulating porcelain bottle 4, and the insulation between the ground terminal plate 2 and the ground box body 1 is realized through the insulating porcelain bottle 4. As shown in fig. 3, the specific mounting structure is as follows: the inner side wall of the grounding box body 1 relative to the switch door is provided with an installation support 8 parallel to the inner side wall, one end of the insulating porcelain bottle 4 is vertically installed on the installation support 8, and the other end of the insulating porcelain bottle is connected with the grounding terminal plate 2 through a nut 9, so that the grounding terminal plate 2 is ensured to be insulated from the grounding box body 1. Preferably, the number of the porcelain insulators 4 is two or more, so that the ground terminal plate 2 is connected more stably.
The equipotential connector 3 is installed in the grounding box body 1 and is respectively connected with the grounding body 5 and the grounding terminal plate 2 through a grounding cable 7, and the specification of the grounding cable 7 can be BJY-1x 50; the grounding body 5 may be made of 4 × 25 hot-dip galvanized flat steel, and may be grounded near the grounding box 1, for example, to a floor slab reinforcement. When the lightning strike occurs, the equipotential connector 3 is conducted, the grounding terminal board 2 is conducted and grounded with the grounding body 5 through the equipotential connector 3 to form local equipotential, and the safety of an information system and equipment connected to the grounding terminal board 2 is ensured; when the information system is in a non-lightning state, the equipotential connector 3 is not conducted, and the information system is grounded through the grounding trunk line to form single-point grounding, so that the reliable operation of the information system is guaranteed.
Ground terminal plate 2 and grounding body 5 have set up a plurality of cable pile connector 6 respectively, and ground terminal plate 2 is equipped with from a left side to right in proper order-The cable pile connector is provided with a grounding body 5 which is arranged from left to right in sequenceThe cable joint comprises a cable connector body, a cable connector body and a cable connector body,The pipe diameters of the cable pile connectors are the same, and the pipe diameters of the other cable pile connectors are the same, so that the cable pile connectors are convenient to connect by a lead of a building information system.
On grounding terminal board 2, firstly, cable pile joint is used for connecting total equipotential grounding terminal board, secondly, cable pile joint is used for connecting grounding terminal boards of other floors, thirdly, cable pile joint is used for connecting equipotential connector, and fourthly, to as long asThe cable pile connector is used for reserving and connecting informatization equipment in a building. On the grounding body (5), a grounding wire is arranged,the cable pile connector is used for connecting the structural steel bars in nearby buildings so as to be grounded,and the cable pile joint is used for connecting an equipotential connector.
The utility model discloses an equipotential grounding box between light current in building through setting up the equipotential connector, protects the safety of information system and device when the thunderbolt. Meanwhile, the structure in the grounding box is simple and practical, the convenience in connecting the grounding trunk line and the grounding body in the construction process is reduced, and the universality is realized.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (9)
1. The equipotential grounding box with the weak electric room in the building is characterized by comprising a grounding box body, and a grounding terminal board, an equipotential connector and a grounding body which are arranged in the grounding box body, wherein the grounding terminal board is insulated from the grounding box body; the equipotential connector is connected with the grounding terminal board and the grounding body through wires respectively.
2. An equipotential earth box with weak electric fields in a building according to claim 1, wherein said earth box is made of 304 stainless steel with a thickness of 3 mm.
3. The equipotential grounding box of weak electric field in building of claim 1, wherein said grounding terminal board is made of 400x40x4 copper plate and said grounding body is made of flat steel.
4. A weak electric equipotential ground box in a building according to claim 1 further including an insulator installed between the ground terminal board and the ground box to ensure insulation between the ground terminal board and the ground box.
5. The equipotential grounding box of weak current in building according to claim 1, wherein the grounding body is electrically connected to nearby grounding bodies or structural steel bars in building reliably, ensuring local equipotential in case of lightning strike.
6. The equipotential grounding box of weak electric field in building according to claim 1, wherein the grounding terminal plate is electrically connected to the grounding terminal plate or the total equipotential grounding terminal plate in other equipotential grounding box of weak electric field in building.
7. An equipotential grounding box with weak electric fields in building according to claim 1, wherein at least two cable stub connectors are respectively provided on said grounding terminal plate and said grounding body.
8. A weak electric equipotential grounding box in building according to claim 1 in which the bottom of the grounding box is equipped with air holes and the top is equipped with grounding cable access holes.
9. The equipotential grounding box of a weak electric room in a building according to claim 1, wherein the equipotential connector connects the ground terminal board and the grounding body by BJY-1x50 cables, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494567.7U CN209843975U (en) | 2019-04-12 | 2019-04-12 | Weak electric-room equipotential grounding box in building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494567.7U CN209843975U (en) | 2019-04-12 | 2019-04-12 | Weak electric-room equipotential grounding box in building |
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| Publication Number | Publication Date |
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| CN209843975U true CN209843975U (en) | 2019-12-24 |
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| CN201920494567.7U Active CN209843975U (en) | 2019-04-12 | 2019-04-12 | Weak electric-room equipotential grounding box in building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950711A (en) * | 2019-04-12 | 2019-06-28 | 上海建筑设计研究院有限公司 | Electrical grounding case between a kind of light current |
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2019
- 2019-04-12 CN CN201920494567.7U patent/CN209843975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950711A (en) * | 2019-04-12 | 2019-06-28 | 上海建筑设计研究院有限公司 | Electrical grounding case between a kind of light current |
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