CN214478461U - Outdoor low-voltage power distribution cabinet for lightning protection - Google Patents
Outdoor low-voltage power distribution cabinet for lightning protection Download PDFInfo
- Publication number
- CN214478461U CN214478461U CN202120425943.4U CN202120425943U CN214478461U CN 214478461 U CN214478461 U CN 214478461U CN 202120425943 U CN202120425943 U CN 202120425943U CN 214478461 U CN214478461 U CN 214478461U
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- China
- Prior art keywords
- lightning rod
- cabinet body
- body shell
- lightning
- cabinet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000012212 insulator Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000000819 phase cycle Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
An outdoor low-voltage power distribution cabinet for lightning protection is characterized in that a rainproof top cover is arranged at the top of a cabinet body shell, a wire inlet power supply threading pipe is arranged on the rainproof top cover, a main circuit breaker is arranged in the cabinet body shell, a three-phase bus bar and a grounding bus bar are arranged below the main circuit breaker, a movable base is arranged at the bottom end in the cabinet body shell, one end of a lightning rod is arranged on the movable base, the other end of the lightning rod extends out of the top of the rainproof top cover, and the lightning rod and the grounding bus bar are connected through a grounding wire; the utility model discloses the lightning rod device of utilization area can effectively avoid the cabinet body directly to suffer the thunder and lightning and directly hit, and this switch board still has the rain proofness can be superior simultaneously, and the interior wiring of cabinet advantage such as clean and tidy, switch board are fit for being extensively applied to on the high-rise building thing.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, in particular to an outdoor low-voltage distribution cabinet for lightning protection.
Background
The rated current of the low-voltage power distribution cabinet is 50Hz, and the power distribution system with the rated voltage of 380v is used for power, illumination and power conversion and control of power distribution. The product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenient combination, strong seriousness and practicability, novel structure and the like.
The lightning arrester in the general low-voltage distribution box adopts a 0.22KV lightning arrester, and over-high voltage is discharged when the phase voltage exceeds 250V. But partial switch board is used at outdoor especially the roof of eminence building, and when thunderstorm weather arrived, free electric charge was more in the air, and is attracted by high tension apparatus easily, and the probability that the switch board was hit by the thunder and lightning is great, and in case the switch board is hit by the thunder and lightning, ordinary lightning protection ware is not enough to shunt the lightning current of instantaneous high strength, and distribution equipment in the switch board receives can take place to damage after the thunderbolt, produces great economic loss.
Disclosure of Invention
In view of the technical problem that the background art exists, the utility model provides an outdoor low-voltage distribution cabinet for lightning protection, this switch board utilize from the lightning rod device of area can effectively avoid the cabinet body directly to suffer the thunder and lightning and directly hit, and the switch board still has the rain proofness can the superiority simultaneously, and the interior wiring of cabinet advantage such as clean and tidy is fit for being extensively used on high-rise building thing.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:
the utility model provides an outdoor low-voltage distribution cabinet for lightning protection, including cabinet body shell and lightning rod, cabinet body shell's top is equipped with rain-proof top cap, be equipped with inlet wire power threading pipe on the rain-proof top cap, main circuit breaker has been installed to cabinet body shell's inside, three-phase generating line row and ground connection generating line row have been installed to main circuit breaker's below, movable base has been installed to cabinet body shell's inside bottom, lightning rod one end is installed on movable base, the other end of lightning rod stretches out from rain-proof top cap top, connect through earth conductor between lightning rod and the ground connection generating line row.
In the preferred scheme, both ends have certain slope about the rain-proof top cap, and the horizontal plane of rain-proof top cap central line department is higher than the horizontal plane at rain-proof top cap both ends, and rain guide groove has evenly been seted up on the rain-proof top cap.
In the preferred scheme, the cabinet body shell is hinged with the cabinet door through a hinge, and the cabinet door is provided with a switch door handle.
In the preferred scheme, the movable base comprises a fixed base, a telescopic rod, an auxiliary spring and a lifting plate; fixed baseplate and cabinet body shell's bottom are passed through bolted connection fixed connection, and fixed baseplate's four corners department is equipped with the telescopic link, and fixed baseplate is connected to telescopic link one end, and the lifter plate is connected to the other end of telescopic link, and auxiliary spring is cup jointed to the outer wall of telescopic link, the upper end and the lightning rod fixed connection of lifter plate, and fixed baseplate and lifter plate adopt insulating material.
In the preferred scheme, the lightning rod is of a telescopic structure, an inner rod of the lightning rod is sleeved in an outer barrel of the lightning rod, a spring bolt is arranged on the inner rod, a limiting hole is formed in the top of the outer barrel, and the lightning rod limits the length of the lightning rod through the spring bolt and the limiting hole.
In the preferred scheme, the junction of lightning rod and threading pipe and cabinet body shell is equipped with waterproof cushion.
In the preferred scheme, three-phase bus bars are sequentially arranged in a cabinet shell from top to bottom, the three-phase bus bars are connected with the inner wall of the cabinet shell through insulators, the three-phase bus bars are connected with the insulators through high-strength bolts, and the three-phase bus bars are respectively painted with yellow-green-red insulating paint according to the phase sequence.
This patent can reach following beneficial effect:
1. the power distribution cabinet utilizes the lightning rod system provided by the device, can rapidly introduce lightning current into the ground by matching with equipment such as a lightning arrester, a grounding wire and the like, and meanwhile, the lightning rod can ensure that the cabinet body of the power distribution cabinet is not directly subjected to lightning impact, so that the power distribution cabinet is more superior to the traditional lightning protection mode of the power distribution cabinet;
2. the lightning rod in the power distribution cabinet is arranged on the movable base, and after the lightning rod is subjected to lightning impact, the movable base can buffer the lightning rod to a certain extent, so that the vibration of the power distribution cabinet is reduced, and the normal operation of the power distribution cabinet is not influenced;
3. the top of switch board is equipped with rain-proof top cap, leads the rainwater groove through the setting and can carry out the water conservancy diversion with the rainwater at top fast, and the performance of draining of switch board is good simultaneously, and the wiring is clean and tidy clear in the cabinet, plays the effect of promotion to the electrical construction standardization.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a sectional view of the overall structure of the present invention;
FIG. 2 is an overall three-dimensional structure diagram of the present invention;
FIG. 3 is a schematic view of the movable base of the present invention;
fig. 4 is the structure diagram of the lightning rod device of the present invention.
In the figure: the cabinet comprises a cabinet body shell 1, a cabinet door 2, a handle 201, a hinge 3, a rainproof top cover 4, a rain guide groove 401, a threading pipe 5, a main circuit breaker 6, a three-phase bus bar 7, a high-strength bolt 701, an insulator 702, a grounding bus bar 8, a movable base 9, a fixed base 901, a lifting plate 902, a telescopic rod 903, an auxiliary spring 904, a lightning rod 10, a spring plug 101 and a grounding wire 11.
Detailed Description
As shown in figure 1 and figure 2, an outdoor low-voltage power distribution cabinet for lightning protection comprises a cabinet body shell 1 and a lightning rod 10, wherein a rainproof top cover 4 is arranged at the top of the cabinet body shell 1, an incoming line power supply threading pipe 5 is arranged on the rainproof top cover 4 and is used for leading in a three-phase power line, a main breaker 6 is arranged inside the cabinet body shell 1, a three-phase bus bar 7 and a grounding bus bar 8 are arranged below the main breaker 6, a movable base 9 is arranged inside the cabinet body shell 1, one end of the lightning rod 10 is arranged on the movable base 9, the other end of the lightning rod 10 extends out from the top of the rainproof top cover 4, the lightning rod can prevent the cabinet body shell 1 from being struck by lightning after extending out of the rainproof top cover 4, and the lightning rod 10 is connected with the grounding bus bar 8 through a grounding conductor 11, the lightning current received at the lightning rod 10 can be transported to the ground busbar 8 and finally be led to the ground via the ground conductor 11 connection.
Preferred scheme is as shown in fig. 1 and fig. 2, the middle part of rain-proof top cap 4 makes progress the arch and has certain slope, the horizontal plane of rain-proof top cap 4 central line department is higher than the horizontal plane at rain-proof top cap 4 both ends, rain-proof top cap 4 is last even to have seted up and to lead rain gutter 401, can be with the quick follow both sides derivation of the rainwater on the rain-proof top cap through leading rain gutter 401, make rain-proof top cap 4 department can not produce ponding and then improved the waterproof performance of switch board, and simultaneously, lightning rod 10 and threading pipe 5 all are equipped with the leakproofness that improves the switch board top that waterproof cushion can step forward with cabinet body shell 1's junction.
The preferred scheme is as shown in fig. 2, hinge 3 is articulated between cabinet body shell 1 and cabinet door 2, can realize through hinge 3 that one-way quick opening and closing of cabinet door 2 can be realized, but be equipped with switch door handle 201 on cabinet door 2 and convenience of customers' operation.
As shown in fig. 3, the movable base 9 includes a fixed base 901, an expansion link 903, an auxiliary spring 904 and a lifting plate 902; fixed baseplate 901 passes through bolted connection fixed connection with cabinet body shell 1's bottom, fixed baseplate 901's four corners department is equipped with telescopic link 903, fixed baseplate 901 is connected to telescopic link 903 one end, lifter plate 902 is connected to telescopic link 903's the other end, the effect of telescopic link 903 is the operation of the position of injecing lifter plate 902 and firm lifter plate, the motion of supplementary lifter plate 902 that auxiliary spring 904 can be further is cup jointed to the outer wall of telescopic link 903, the upper end and the lightning rod 10 fixed connection of lifter plate 902, lightning rod 10 just does not influence cabinet body shell 1 through connecting the vibrations that lifter plate 902 can be at the small-amplitude of vertical direction, after lightning rod 10 suffers lightning impulse, movable baseplate 9 also gives certain buffering of lightning rod 10, make the vibrations of switch board slow down, do not influence the normal operating of the accurate electrical component in the switch board. The fixing base 901 and the lifting plate 902 are made of insulating materials, so that lightning current on the lightning rod 10 can be prevented from flowing into the cabinet housing 1.
The preferred scheme is as shown in fig. 4, the lightning rod 10 is a retractable structure, an inner rod of the lightning rod 10 is sleeved in an outer barrel of the lightning rod 10, a spring bolt 101 is arranged on the inner rod, a limiting hole is formed in the top of the outer barrel, the lightning rod 10 limits the length of the lightning rod 10 through the spring bolt 101 and the limiting hole, the lightning rod 10 can be stretched to extend and protect the cabinet body shell 1 from being struck by thunder and rain when meeting thunderstorm weather, and the retractable lightning rod 10 can be retracted during daily work to reduce the occupied space of the power distribution cabinet and prolong the service life of the lightning rod 10.
The preferred scheme is as shown in fig. 1, three-phase bus bar 7 is arranged in proper order from top to bottom in cabinet body shell 1, three-phase bus bar 7 passes through insulator 702 and cabinet body shell 1's inner wall connection, connect through high strength bolt 701 between three-phase bus bar 7 and the insulator 702, three-phase bus bar 7 has improved the security of switch board according to the painting yellow green red insulating varnish respectively of phase sequence, can reduce the interior redundant cable connection of cabinet through three-phase bus bar 7's design, make the interior wiring of cabinet succinct, accord with the standardization of electrical construction.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (7)
1. The utility model provides an outdoor low-voltage distribution cabinet for lightning protection, includes cabinet body shell (1) and lightning rod (10), its characterized in that: the top of cabinet body shell (1) is equipped with rain-proof top cap (4), be equipped with inlet wire power threading pipe (5) on rain-proof top cap (4), main circuit breaker (6) have been installed to the inside of cabinet body shell (1), three-phase generating line row (7) and ground connection generating line row (8) have been installed to the below of main circuit breaker (6), movable base (9) have been installed to cabinet body shell (1) inside bottom, lightning rod (10) one end is installed on movable base (9), the other end of lightning rod (10) is stretched out from rain-proof top cap (4) top, connect through earth conductor (11) between lightning rod (10) and the ground connection generating line row (8).
2. Outdoor low-voltage distribution cabinet for lightning protection according to claim 1, characterized in that: both ends have certain slope about rain-proof top cap (4), and the horizontal plane at rain-proof top cap (4) central line department is higher than the horizontal plane at rain-proof top cap (4) both ends, and rain guide groove (401) have evenly been seted up on rain-proof top cap (4).
3. Outdoor low-voltage distribution cabinet for lightning protection according to claim 1, characterized in that: the cabinet body shell (1) is hinged with the cabinet door (2) through a hinge (3), and a door opening and closing handle (201) is arranged on the cabinet door (2).
4. Outdoor low-voltage distribution cabinet for lightning protection according to claim 1, characterized in that: the movable base (9) comprises a fixed base (901), an expansion link (903), an auxiliary spring (904) and a lifting plate (902); fixed baseplate (901) passes through bolted connection fixed connection with the bottom of cabinet body shell (1), the four corners department of fixed baseplate (901) is equipped with telescopic link (903), fixed baseplate (901) is connected to telescopic link (903) one end, lifter plate (902) is connected to the other end of telescopic link (903), auxiliary spring (904) are cup jointed to the outer wall of telescopic link (903), the upper end and lightning rod (10) fixed connection of lifter plate (902), fixed baseplate (901) and lifter plate (902) all adopt insulating material.
5. Outdoor low-voltage distribution cabinet for lightning protection according to claim 1, characterized in that: lightning rod (10) are retractable structure, and the interior pole of lightning rod (10) cup joints in the urceolus of lightning rod (10), is equipped with spring bolt (101) on the interior pole, and spacing hole has been seted up at the urceolus top, and lightning rod (10) are through spring bolt (101) and spacing hole limited lightning rod's (10) length.
6. Outdoor low-voltage distribution cabinet for lightning protection according to claim 1, characterized in that: the joint of the lightning rod (10) and the threading pipe (5) with the cabinet body shell (1) is provided with a waterproof rubber cushion.
7. Outdoor low-voltage distribution cabinet for lightning protection according to claim 1, characterized in that: the three-phase bus bars (7) are sequentially arranged in the cabinet body shell (1) from top to bottom, the three-phase bus bars (7) are connected with the inner wall of the cabinet body shell (1) through insulators (702), the three-phase bus bars (7) are connected with the insulators (702) through high-strength bolts (701), and the three-phase bus bars (7) are respectively coated with yellow green red insulating paint according to the phase sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120425943.4U CN214478461U (en) | 2021-02-26 | 2021-02-26 | Outdoor low-voltage power distribution cabinet for lightning protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120425943.4U CN214478461U (en) | 2021-02-26 | 2021-02-26 | Outdoor low-voltage power distribution cabinet for lightning protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214478461U true CN214478461U (en) | 2021-10-22 |
Family
ID=78146266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120425943.4U Expired - Fee Related CN214478461U (en) | 2021-02-26 | 2021-02-26 | Outdoor low-voltage power distribution cabinet for lightning protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214478461U (en) |
-
2021
- 2021-02-26 CN CN202120425943.4U patent/CN214478461U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |