CN215835102U - Mountain region multi-stone wind power plant overhead collector line tower - Google Patents
Mountain region multi-stone wind power plant overhead collector line tower Download PDFInfo
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- CN215835102U CN215835102U CN202122138180.8U CN202122138180U CN215835102U CN 215835102 U CN215835102 U CN 215835102U CN 202122138180 U CN202122138180 U CN 202122138180U CN 215835102 U CN215835102 U CN 215835102U
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- tower
- fixing mechanism
- tower body
- collector line
- wind farm
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Abstract
The utility model discloses an overhead current collecting line tower of a multi-stone wind power plant in a mountainous region, which comprises a tower body, wherein a ground resistor is arranged below the tower body, a fixing mechanism is arranged at the top of the tower body, a supporting rod is fixed on the fixing mechanism, the upper end of the supporting rod is connected with a direct lightning protection device through a mounting flange, the direct lightning protection device and the ground resistor form a circuit path, the direct lightning protection device comprises a metal electrode, a variable resistance suppressor, an electrostatic shielding ring and a mounting column, the metal electrode is arranged above the variable resistance suppressor, the electrostatic shielding ring is arranged below the variable resistance suppressor, the mounting column penetrates through the metal electrode, the variable resistance suppressor and the electrostatic shielding ring to be fixedly connected, and a tower pole cross arm for an overhead current collecting line is arranged on the tower body. Through being equipped with direct lightning protection equipment, prevent the thunder and lightning and fall in the protection zone, reduced the requirement to ground resistance, ground resistance can normally work when being 30 omega.
Description
Technical Field
The utility model belongs to the technical field of overhead power collecting line towers, and particularly relates to an overhead power collecting line tower of a mountainous multi-stone wind power plant.
Background
At present, the direct lightning strike protection of an overhead current collecting line of a wind power plant adopts a lightning-induced ground technology, and comprises equipment such as tower grounding, a lightning conductor, a line arrester and the like. The pole tower is made of metal materials and is connected with the ground through the base, and the pole tower is used for discharging lightning current. The lightning wire frame is arranged at the top of the tower and connected with the tower conductor and used for protecting the current collecting line from lightning stroke. The line arrester is connected between the tower cross arm and the current collection line and used for discharging lightning current on the current collection line.
The key point of the lightning introduction ground technology is the grounding part, and when the grounding resistance is 20 omega, lightning current cannot be discharged in time, so that lightning stroke tripping accidents of a current collection circuit are caused. For a wind power plant current collection line under a mountainous region and rocky region condition, the grounding resistance hardly meets the design requirement, and the direct lightning protection problem of the current collection line of the mountainous region and rocky landform cannot be solved by the lightning-induced grounding technology. Therefore, an overhead collector line tower of a mountainous multi-stone wind power plant needs to be designed.
Disclosure of Invention
The utility model aims to provide an overhead collector line tower of a mountainous multi-stone wind power plant, which aims to solve the problem that the resistance value design requirement of the existing overhead collector line tower on a grounding resistor is harsh.
In order to achieve the purpose, the specific technical scheme of the overhead collector line tower of the mountain multi-stone wind power plant is as follows:
the utility model provides a many stones wind-powered electricity generation field in mountain region built on stilts current collection line shaft tower, including the shaft tower body, the shaft tower body has ground resistance, shaft tower body top is equipped with fixed establishment, fixed establishment is fixed with the bracing piece, the upper end of the support bar is connected with direct lightning protective equipment through being equipped with mounting flange, direct lightning protective equipment forms the circuit route with ground resistance, direct lightning protective equipment comprises metal electrode, the varistor inhibitor, electrostatic shield ring and erection column, metal electrode sets up in varistor inhibitor top, electrostatic shield ring sets up the below at the varistor inhibitor, the erection column is with metal electrode, the varistor inhibitor, electrostatic shield ring runs through fixed connection, the shaft tower body is equipped with the tower pole cross arm that is used for the overhead current collection line. Through being equipped with direct lightning protection equipment, prevent the thunder and lightning and fall in the protection zone, reduced the requirement to ground resistance, ground resistance can normally work when being 30 omega.
Furthermore, the mounting flange is at least 70cm higher than the top of the tower body, so that the effect of the direct lightning protection equipment is ensured as much as possible.
Furthermore, the tower pole cross arm is provided with an insulator string for an overhead current collection line.
Furthermore, the tower pole cross arm is provided with a line arrester used for discharging lightning current on the current collecting line.
Furthermore, the fixing mechanism consists of an upper fixing mechanism and a lower fixing mechanism, the upper fixing mechanism and the lower fixing mechanism are connected with the supporting rod, and the two points are connected, so that the fixing mechanism is more stable.
Furthermore, the upper fixing mechanism can swing left and right, and the verticality of the supporting rod can be adjusted as required.
Furthermore, the lower fixing mechanism can swing left and right, and the verticality of the supporting rod can be adjusted as required.
Furthermore, the pole tower body is made of metal materials and plays a role in conducting electricity.
Furthermore, the top of the tower body is connected with a lightning conductor, so that the lightning protection device and the direct lightning protection device can play a double-insurance function.
Furthermore, the lightning rod is the lightning rod, and the structure is mature stable, easily purchases.
Compared with the prior art, the utility model has the following beneficial effects:
1. the direct lightning protection device is arranged to prevent lightning from falling into a protection area, the requirement on the ground resistance is reduced, the direct lightning protection device can normally work when the ground resistance is 30 omega, the direct lightning protection device is simple and effective in structure and easy to manufacture, the fault rate is low, the design and manufacture difficulty of the ground resistance is greatly reduced, and the cost is reduced.
2. The fixing mechanism consists of an upper fixing mechanism and a lower fixing mechanism, the upper fixing mechanism and the lower fixing mechanism are connected with the supporting rod, and the two-point connection is more stable.
3. The tower conductor is arranged at the top of the tower body, and the tower conductor and the grounding resistor are connected with the ground through the lightning conductor, so that the lightning protection effect is further improved, and double insurance is formed.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic diagram of a direct lightning protection device in the structure of the utility model.
The reference numbers in the figures illustrate: 1. the lightning protection tower comprises a tower body, 2 grounding resistors, 3 fixing mechanisms, 31 upper fixing mechanisms, 32 lower fixing mechanisms, 4 supporting rods, 5 mounting flanges, 6 direct lightning protection devices, 61 metal electrodes, 62 variable resistance suppressors, 63 electrostatic shielding rings, 64 mounting columns, 7 collecting lines, 8 tower pole cross arms, 81 insulator strings, 82 line lightning arresters and 9 lightning conductors.
The specific implementation mode is as follows:
for a better understanding of the objects, structure and function of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
As shown in fig. 1 to 2, an overhead collector line tower of a mountainous multi-stone wind farm is designed, which comprises a tower body 1, a grounding resistor 2 is arranged below the tower body 1, the top of the pole tower body 1 is provided with a fixing mechanism 3, the fixing mechanism 3 is fixed with a support rod 4, the upper end of the support rod 4 is connected with a direct lightning protection device 6 through a mounting flange 5, the direct lightning protection device 6 and a ground resistor 2 form a circuit path, the direct lightning protection device 6 is composed of a metal electrode 61, a variable resistance suppressor 62, an electrostatic shielding ring 63 and a mounting column 64, the metal electrode 61 is arranged above the variable resistance suppressor 62, the electrostatic shielding ring 63 is arranged below the variable resistance suppressor 62, the mounting column 64 fixedly connects the metal electrode 61, the variable resistance suppressor 62 and the electrostatic shielding ring 63, and the pole tower body 1 is provided with a pole cross arm 8 for an overhead current collecting line 7. Through being equipped with direct lightning protection equipment 7, prevent the thunder and lightning and fall in the protection zone, reduced the requirement to ground resistance 2, ground resistance 2 can normally work when being 30 omega.
In the above embodiment, 2 examples are listed to achieve the above technical solution:
example 1
The embodiment provides an overhead current collecting line tower of a mountainous multi-stone wind power plant, which comprises a tower body 1, wherein a grounding resistor 2 is arranged below the tower body 1, a fixing mechanism 3 is arranged at the top of the tower body 1, a supporting rod 4 is fixed on the fixing mechanism 3 through a hoop, a direct lightning protection device 6 is connected to the upper end of the supporting rod 4 through an installation flange 5, and the installation flange 5 is 70cm higher than the top of the tower body 1, so that the effect of the direct lightning protection device 6 is ensured as much as possible; the direct lightning protection device 6 and the grounding resistor 2 form a circuit path, the direct lightning protection device 6 consists of a metal electrode 61, a variable resistance suppressor 62, an electrostatic shielding ring 63 and a mounting column 64, the metal electrode 61 is arranged above the variable resistance suppressor 62, the electrostatic shielding ring 63 is arranged below the variable resistance suppressor 62, the mounting column 64 penetrates and fixedly connects the metal electrode 61, the variable resistance suppressor 62 and the electrostatic shielding ring 63, the tower body 1 is provided with a tower pole cross arm 8 for an overhead collector line 7, and the tower pole cross arm 8 is provided with an insulator string 81 for the overhead collector line 7; the fixing mechanism 3 consists of an upper fixing mechanism 31 and a lower fixing mechanism 32, the upper fixing mechanism 31 and the lower fixing mechanism 32 are both connected with the supporting rod 4, two points are connected, the stability is higher, the upper fixing mechanism 31 can swing left and right, and the verticality of the supporting rod 4 can be adjusted as required; the pole tower body 1 is made of metal and plays a role in conducting electricity; the top of the tower body 1 is connected with a lightning conductor 9 which can play a double-insurance function with the direct lightning protection equipment 6; through being equipped with direct lightning protection equipment 7, prevent the thunder and lightning and fall in the protection zone, reduced the requirement to ground resistance 2, ground resistance 2 can normally work when being 30 omega.
Example 2
The embodiment provides an overhead current collecting line tower of a multi-stone wind power plant in a mountain land, which comprises a tower body 1, wherein a grounding resistor 2 is arranged below the tower body 1, a fixing mechanism 3 is arranged at the top of the tower body 1, a supporting rod 4 is fixedly arranged on the fixing mechanism 3 through a bolt perforation, a direct lightning protection device 6 is connected to the upper end of the supporting rod 4 through an installation flange 5, and the installation flange 5 is 100cm higher than the top of the tower body 1, so that the effect of the direct lightning protection device 6 is ensured as much as possible; the direct lightning protection device 6 and the grounding resistor 2 form a circuit path, the direct lightning protection device 6 consists of a metal electrode 61, a variable resistance suppressor 62, an electrostatic shielding ring 63 and a mounting column 64, the metal electrode 61 is arranged above the variable resistance suppressor 62, the electrostatic shielding ring 63 is arranged below the variable resistance suppressor 62, the mounting column 64 penetrates and fixedly connects the metal electrode 61, the variable resistance suppressor 62 and the electrostatic shielding ring 63, the tower body 1 is provided with a tower pole cross arm 8 for an overhead collector line 7, and the tower pole cross arm 8 is provided with an insulator string 81 for the overhead collector line 7; the tower pole cross arm 8 is provided with a line arrester 82 for discharging lightning current on the collecting line 7; the fixing mechanism 3 is composed of an upper fixing mechanism 31 and a lower fixing mechanism 32, the upper fixing mechanism 31 and the lower fixing mechanism 32 are connected with the supporting rod 4, two points are connected, the stability is higher, the lower fixing mechanism 32 can swing left and right, and the verticality of the supporting rod 4 can be adjusted as required. Through being equipped with direct lightning protection equipment 7, prevent the thunder and lightning and fall in the protection zone, reduced the requirement to ground resistance 2, ground resistance 2 can normally work when being 30 omega. The top of the tower body 1 is connected with a lightning conductor 9 which can play a double-insurance function with the direct lightning protection equipment 6; the lightning conductor 9 is a lightning rod, has a mature and stable structure and is easy to purchase.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a many stones wind-powered electricity generation field of mountain region built on stilts current collection line shaft tower, includes shaft tower body (1), and shaft tower body (1) has ground resistance (2), its characterized in that: the tower is characterized in that a fixing mechanism (3) is arranged at the top of a tower body (1), a supporting rod (4) is fixed on the fixing mechanism (3), a direct lightning protection device (6) is connected to the upper end of the supporting rod (4) through a mounting flange (5), the direct lightning protection device (6) and a grounding resistor (2) form a circuit path, the direct lightning protection device (6) is composed of a metal electrode (61), a variable-resistance suppressor (62), an electrostatic shielding ring (63) and a mounting column (64), the metal electrode (61) is arranged above the variable-resistance suppressor (62), the electrostatic shielding ring (63) is arranged below the variable-resistance suppressor (62), the mounting column (64) is fixedly connected with the metal electrode (61), the variable-resistance suppressor (62) and the electrostatic shielding ring (63) in a penetrating mode, and the tower body (1) is provided with a tower cross arm (8) for an overhead current collecting line (7).
2. The mountain multi-stone wind farm overhead collector line tower according to claim 1, characterized in that the mounting flange (5) is at least 70cm higher than the top of the tower body (1).
3. The mountain multi-stone wind farm overhead collector line tower according to claim 1, characterized in that the tower pole cross-arm (8) is provided with an insulator string (81).
4. The mountain multi-stone wind farm overhead collector line tower according to claim 3, characterized in that the tower pole cross-arm (8) is provided with a line arrester (82) for dumping lightning current on the collector line.
5. The mountain multi-stone wind farm overhead collector line tower according to claim 1, characterized in that the fixing mechanism (3) is composed of an upper fixing mechanism (31) and a lower fixing mechanism (32), and both the upper fixing mechanism (31) and the lower fixing mechanism (32) are connected with the support rod (4).
6. The mountain multi-stone wind farm overhead collector line tower according to claim 5, characterized in that the upper fixing mechanism (31) can swing left and right.
7. The mountain multi-stone wind farm overhead collector line tower according to claim 5, characterized in that the lower fixing mechanism (32) can swing left and right.
8. The mountain multi-stone wind farm overhead collector line tower according to claim 1, characterized in that the tower body (1) is made of metal.
9. The mountain multi-stone wind farm overhead collector line tower is characterized in that a lightning conductor (9) is connected to the top of the tower body (1).
10. The mountain multi-stone wind farm overhead collector line tower according to claim 9, characterized in that the lightning conductor (9) is a lightning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122138180.8U CN215835102U (en) | 2021-09-06 | 2021-09-06 | Mountain region multi-stone wind power plant overhead collector line tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122138180.8U CN215835102U (en) | 2021-09-06 | 2021-09-06 | Mountain region multi-stone wind power plant overhead collector line tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215835102U true CN215835102U (en) | 2022-02-15 |
Family
ID=80198527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122138180.8U Expired - Fee Related CN215835102U (en) | 2021-09-06 | 2021-09-06 | Mountain region multi-stone wind power plant overhead collector line tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215835102U (en) |
-
2021
- 2021-09-06 CN CN202122138180.8U patent/CN215835102U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |