CN113937522A - Automatic discharging and grounding device of series compensation platform - Google Patents
Automatic discharging and grounding device of series compensation platform Download PDFInfo
- Publication number
- CN113937522A CN113937522A CN202111304511.9A CN202111304511A CN113937522A CN 113937522 A CN113937522 A CN 113937522A CN 202111304511 A CN202111304511 A CN 202111304511A CN 113937522 A CN113937522 A CN 113937522A
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- metal
- platform
- series compensation
- guide rod
- compensation platform
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- 238000007599 discharging Methods 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 claims description 84
- 230000009194 climbing Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 241000282326 Felis catus Species 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
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Abstract
A transformer substation series compensation platform automatic discharging and grounding device relates to the technical field of transformer substation safety and comprises a contact base, a rotatable guide rod, a controllable motor and a control panel; the contact base is arranged at the edge of the series compensation platform through a bolt, the rotatable guide rod and the controllable motor are arranged on the ladder stand platform, the control panel is in control connection with the controllable motor, and the rotatable guide rod is connected with the ladder stand platform through a wire to form grounding. The invention has the beneficial effects that: can simplify the cluster and mend platform ann and measure and arrange the flow to alleviate personnel's work load, use the device after, personnel need not to climb up the cat ladder platform again and operate when carrying out cluster and mend platform discharge ground connection and resume the operation, make cluster and mend platform ann and measure and arrange more convenient, safety, save time, laborsaving, can provide more equipment repair time for the maintainer under the prerequisite of same power off time.
Description
Technical Field
The invention relates to the technical field of transformer substation safety, in particular to an automatic discharging and grounding device of a transformer substation series compensation platform.
Background
With the continuous development of the scale of the power grid, the transmission capacity of a main grid frame of the power grid is larger and larger, and the requirement on the transmission capacity of the main grid is higher and higher. On the premise of not changing line facilities, the transmission capacity of the line can be improved by adding the line series compensation device, so that the application of the line series compensation device in a power grid is more and more common in recent years. The series compensation device is required to be regularly overhauled as other transformer substation equipment, and the series compensation device is arranged on a higher series compensation platform, so that the series compensation platform is discharged and a grounding wire is hung before overhauling. At present, a series compensation platform is not provided with a special discharging and grounding device, for example, a 750kV series compensation platform, although a ladder stand of the series compensation platform is of a lifting structure, people cannot be carried.
Fortune dimension personnel need rise 2 cat ladder platforms to the same height of cluster benefit platform earlier before carrying out the ann measures and arranging, then carry tools such as discharging rod, earth connection, insulating earthed pole, insulating gloves and climb 2 cat ladder platforms through 3 lift cat ladders, because 3 lift cat ladders exceed 60 with ground angle, in addition the earth connection quality is great, cause personnel to climb 2 cat ladder platforms fairly hard. After people climb up the ladder climbing platform 2, one end of the ground wire needs to be placed on the ground, ground wire grounding operation is carried out by ground personnel, in the process, the ground wire directly hangs down to the ground from the height of about 14 meters, the pulling force is large, 1 person needs to specially fix the ground wire at the upper end, and then the other 1 person connects the ground wire with the discharge rod and the ground rod in sequence to carry out discharging and grounding operation. The process needs the cooperation of an upper group of personnel and a lower group of personnel (at least 3 people), usually, one 750kV circuit contains 3 series compensation platforms, and 1 series compensation platform finishes discharging and articulates the ground wire work and just needs 20-30 minutes of time, and whole process is consuming time, hard, all brings very big inconvenience for the safety measure to arrange and demolish work.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an automatic discharging and grounding device for a series compensation platform, which can simplify the safety measure arrangement flow of the series compensation platform and reduce the workload of personnel.
The invention provides an automatic discharging and grounding device of a series compensation platform, which comprises a contact base, a rotatable guide rod, a controllable motor and a control panel, wherein the contact base is provided with a plurality of contact holes; the contact base is arranged at the edge of the series compensation platform (1) through a bolt, the rotatable guide rod and the controllable motor are arranged on the ladder stand platform (2), the control panel is in control connection with the controllable motor, and the rotatable guide rod is connected with the ladder stand platform through a wire to form grounding.
The contact base structure comprises a fixed metal plate (4), a spring (5), a high-resistance conductive plate (6), a metal conductive plate (7), a metal base (8) and a mounting hole (9); two sides of the metal base (8) are vertically and fixedly connected with 2 fixed metal plates (4); the high-resistance conducting plate (6) is fixedly connected with the metal conducting plate (7); the high-resistance conducting plate (6) and the metal conducting plate (7) are positioned in the middle and are connected with the fixed metal plate (4) through 2 groups of springs (5); the mounting hole (9) is arranged on the metal base (8).
The rotatable guide rod comprises a metal guide rod (10) and a rotating wheel (11), and the rotating wheel (11) is connected with a motor shaft (12) of the controllable motor; the metal guide rod (10) is connected with the ladder climbing platform through a lead and is connected with the ground net through the ladder climbing platform.
The spring (5) can be compressed along the horizontal direction, and can provide certain pressure when the metal guide rod enters, so that reliable contact is ensured; and meanwhile, as a conductive connecting line among the high-resistance conductive plate (6), the metal conductive plate (7) and the fixed metal plate (4), a discharge channel is provided.
The high-resistance conducting plate (6) is made of high-resistance metal materials, and can limit discharge current during initial discharge due to the characteristic of high resistance of the high-resistance conducting plate.
The metal conductive plate (7) has good conductivity, and can ensure sufficient grounding; the metal base (8) and the series compensation platform form metallic connection.
The control panel is arranged in the ladder stand ground operation box and is provided with a discharging button, a grounding button and a reset button.
The discharging button can control the motor to rotate for a certain angle after being pressed down and stop rotating, so that the metal guide rod of the rotatable guide rod can be reliably contacted with the high-resistance conducting plate of the contact base to discharge the series compensation platform.
The grounding button can control the motor to continuously rotate for a certain angle after being pressed down, so that the metal guide rod rotates to a horizontal position, the metal guide rod is completely contacted with the metal conductive plate, the resistance between the metal guide rod and the metal conductive plate is completely close to zero, and the grounding of the series compensation platform is completed.
Reset button, after the maintenance work is accomplished to the series compensation platform, when needing to break platform ground connection, only need press reset button at ground operating panel, the motor is controlled this moment, counter-clockwise turning 90, makes the metal guide arm resume to vertical position, the series compensation platform ground connection is opened this moment, can continue to operate on next step, personnel need not to climb up the platform again and carry out the work of demolising of earth connection.
The method for carrying out the discharge and the grounding of the series compensation platform by adopting the device comprises the following specific steps:
01. operating the lifting ladder stand, and lifting the ladder stand platform to the same height of the series compensation platform from the ground;
02. operating a discharge button on the control panel to enable the metal guide rod to rotate to be only reliably contacted with the high-resistance conductive plate of the contact base so as to discharge the series compensation platform;
03. after the series compensation platform is fully discharged, operating a grounding button on a control panel to enable a metal guide rod to rotate to a horizontal position to be in contact with a metal conductive plate, and finishing grounding of the series compensation platform, wherein the resistance between the metal guide rod and the metal conductive plate is close to zero;
04. after the maintenance work of the whole series compensation platform is completed, the reset button is operated again, so that the metal guide rod rotates 90 degrees anticlockwise and rotates to a vertical position, and the ungrounded recovery work of the series compensation platform is completed.
The invention has the beneficial effects that: can simplify the cluster and mend platform ann and measure and arrange the flow to alleviate personnel's work load, use the device after, personnel need not to climb up the cat ladder platform again and operate when carrying out cluster and mend platform discharge ground connection and resume the operation, make cluster and mend platform ann and measure and arrange more convenient, safety, save time, laborsaving, can provide more equipment repair time for the maintainer under the prerequisite of same power off time.
Drawings
FIG. 1 is a schematic view of a series compensation platform and a ladder of the present invention;
FIG. 2 is a front view of the contact base of the present invention;
FIG. 3 is a top view of a contact base of the present invention;
FIG. 4 is a perspective view of a contact base of the present invention;
FIG. 5 is a schematic view of a rotatable guide bar of the present invention;
FIG. 6 is a diagram of the pre-discharge state of the present invention;
FIG. 7 is a diagram illustrating the power generation state of the present invention;
FIG. 8 is a diagram of the grounding state of the present invention;
FIG. 9 is a state diagram of the arrangement of the present invention;
in the figure: 1. the device comprises a series compensation platform, 2, a ladder stand platform, 3, a lifting ladder stand, 4, a fixed metal plate, 5, a spring, 6, a high-resistance conductive plate, 7, a metal conductive plate, 8, a metal base, 9, a mounting hole, 10, a metal guide rod, 11, a rotating wheel, 12 and a motor shaft.
Detailed Description
The contact base structure comprises a fixed metal plate (4), a spring (5), a high-resistance conductive plate (6), a metal conductive plate (7), a metal base (8) and a mounting hole (9); two sides of the metal base (8) are vertically and fixedly connected with 2 fixed metal plates (4); the high-resistance conducting plate (6) is fixedly connected with the metal conducting plate (7); the high-resistance conducting plate (6) and the metal conducting plate (7) are positioned in the middle and are connected with the fixed metal plate (4) through 2 groups of springs (5); the mounting hole (9) is arranged on the metal base (8).
The rotatable guide rod comprises a metal guide rod (10) and a rotating wheel (11), and the rotating wheel (11) is connected with a motor shaft (12) of the controllable motor; the metal guide rod (10) is connected with the ladder climbing platform through a lead and is connected with the ground net through the ladder climbing platform.
The spring (5) can be compressed along the horizontal direction, and can provide certain pressure when the metal guide rod enters, so that reliable contact is ensured; and meanwhile, as a conductive connecting line among the high-resistance conductive plate (6), the metal conductive plate (7) and the fixed metal plate (4), a discharge channel is provided.
The high-resistance conducting plate (6) is made of high-resistance metal materials, and can limit discharge current during initial discharge due to the characteristic of high resistance of the high-resistance conducting plate.
The metal conductive plate (7) has good conductivity, and can ensure sufficient grounding; the metal base (8) and the series compensation platform form metallic connection.
The control panel is arranged in the ladder stand ground operation box and is provided with a discharging button, a grounding button and a reset button.
The discharging button can control the motor to rotate for a certain angle after being pressed down and stop rotating, so that the metal guide rod of the rotatable guide rod can be reliably contacted with the high-resistance conducting plate of the contact base to discharge the series compensation platform.
The grounding button can control the motor to continuously rotate for a certain angle after being pressed down, so that the metal guide rod rotates to a horizontal position, the metal guide rod is completely contacted with the metal conductive plate, the resistance between the metal guide rod and the metal conductive plate is completely close to zero, and the grounding of the series compensation platform is completed.
Reset button, after the maintenance work is accomplished to the series compensation platform, when needing to break platform ground connection, only need press reset button at ground operating panel, the motor is controlled this moment, counter-clockwise turning 90, makes the metal guide arm resume to vertical position, the series compensation platform ground connection is opened this moment, can continue to operate on next step, personnel need not to climb up the platform again and carry out the work of demolising of earth connection.
The method for discharging and grounding by using the device comprises the following steps:
operating the lifting ladder stand to lift the ladder stand platform to the same height of the series compensation platform from the ground, and operating a discharge button on the control panel to enable the metal guide rod to rotate to only reliably contact with the high-resistance conductive plate of the contact base so as to discharge the series compensation platform; after the series compensation platform is fully discharged, the grounding button on the control panel is operated, so that the metal guide rod rotates to a horizontal position and is in contact with the metal conductive plate, the resistance between the metal guide rod and the metal conductive plate is close to zero, and the grounding of the series compensation platform is completed. After the maintenance work of the whole series compensation platform is completed, the reset button is operated again, so that the metal guide rod rotates 90 degrees anticlockwise and rotates to a vertical position, and the ungrounded recovery work of the series compensation platform is completed. By using the device, personnel are not required to climb the ladder stand platform to operate in the process of arranging and dismantling the series compensation platform in a safety measure, so that the series compensation platform is safer, more convenient, more time-saving and more labor-saving.
Claims (8)
1. An automatic discharging and grounding device of a series compensation platform is characterized by comprising a contact base, a rotatable guide rod, a controllable motor and a control panel; the contact base is arranged at the edge of the series compensation platform (1) through a bolt, the rotatable guide rod and the controllable motor are arranged on the ladder stand platform (2), the control panel is in control connection with the controllable motor, and the rotatable guide rod is connected with the ladder stand platform through a wire to form grounding.
2. The automatic discharging and grounding device of a series compensation platform according to claim 1, wherein the contact base structure comprises a fixed metal plate (4), a spring (5), a high resistance conductive plate (6), a metal conductive plate (7), a metal base (8), and a mounting hole (9); two sides of the metal base (8) are vertically and fixedly connected with 2 fixed metal plates (4); the high-resistance conducting plate (6) is fixedly connected with the metal conducting plate (7); the high-resistance conducting plate (6) and the metal conducting plate (7) are positioned in the middle and are connected with the fixed metal plate (4) through 2 groups of springs (5); the mounting hole (9) is arranged on the metal base (8).
3. The automatic discharging and grounding device of a series compensation platform according to claim 2, wherein the rotatable guide rod comprises a metal guide rod (10) and a rotating wheel (11), the rotating wheel (11) is connected with a motor shaft (12) of a controllable motor; the metal guide rod (10) is connected with the ladder climbing platform through a lead and is connected with the ground net through the ladder climbing platform.
4. The automatic discharging and grounding device of a series compensation platform according to claim 3, wherein the spring (5) can be compressed along the horizontal direction, and can provide a certain pressure when a metal guide rod enters, so as to ensure reliable contact; and meanwhile, as a conductive connecting line among the high-resistance conductive plate (6), the metal conductive plate (7) and the fixed metal plate (4), a discharge channel is provided.
5. The automatic discharging and grounding device of a series compensation platform according to claim 4, wherein the high resistance conductive plate (6) is made of high resistance metal material, and can limit the discharging current during the initial discharging due to its own high resistance characteristic.
6. The automatic discharging and grounding device of a series compensation platform according to claim 5, wherein the metal conductive plate (7) has good conductivity to ensure sufficient grounding; the metal base (8) and the series compensation platform form metallic connection.
7. The automatic discharging and grounding device of a series compensation platform as claimed in claim 6, wherein the control panel is installed in a ground operation box of the ladder, and the control panel is provided with a discharging button, a grounding button and a reset button.
8. An automatic discharging and grounding method for a series compensation platform, which is characterized in that the device of any one of claims 1-7 is adopted, and the specific steps are as follows:
01. operating the lifting ladder stand, and lifting the ladder stand platform to the same height of the series compensation platform from the ground;
02. operating a discharge button on the control panel to enable the metal guide rod to rotate to be only reliably contacted with the high-resistance conductive plate of the contact base so as to discharge the series compensation platform;
03. after the series compensation platform is fully discharged, operating a grounding button on a control panel to enable a metal guide rod to rotate to a horizontal position to be in contact with a metal conductive plate, and finishing grounding of the series compensation platform, wherein the resistance between the metal guide rod and the metal conductive plate is close to zero;
04. after the maintenance work of the whole series compensation platform is completed, the reset button is operated again, so that the metal guide rod rotates 90 degrees anticlockwise and rotates to a vertical position, and the ungrounded recovery work of the series compensation platform is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111304511.9A CN113937522A (en) | 2021-11-05 | 2021-11-05 | Automatic discharging and grounding device of series compensation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111304511.9A CN113937522A (en) | 2021-11-05 | 2021-11-05 | Automatic discharging and grounding device of series compensation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113937522A true CN113937522A (en) | 2022-01-14 |
Family
ID=79285760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111304511.9A Pending CN113937522A (en) | 2021-11-05 | 2021-11-05 | Automatic discharging and grounding device of series compensation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113937522A (en) |
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2021
- 2021-11-05 CN CN202111304511.9A patent/CN113937522A/en active Pending
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