CN217158853U - Power system power transmission and transformation equipment power failure anti-misoperation grounding wire - Google Patents
Power system power transmission and transformation equipment power failure anti-misoperation grounding wire Download PDFInfo
- Publication number
- CN217158853U CN217158853U CN202221138987.XU CN202221138987U CN217158853U CN 217158853 U CN217158853 U CN 217158853U CN 202221138987 U CN202221138987 U CN 202221138987U CN 217158853 U CN217158853 U CN 217158853U
- Authority
- CN
- China
- Prior art keywords
- box body
- audible
- power transmission
- transformation equipment
- control mainboard
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a power failure misoperation prevention ground wire for power system power transmission and transformation equipment, which relates to the technical field of power transmission and transformation ground wires, and comprises a ground wire suspension head, wherein one side of the ground wire suspension head is fixedly provided with a mounting plate and a box body, the top end of the mounting plate is fixedly provided with a voltage sensor, the top end in the box body is fixedly connected with a control mainboard, the voltage sensor is electrically connected with the input end of the control mainboard, the box body is internally provided with an audible and visual alarm, the audible and visual alarm is arranged at the bottom of the control mainboard, the audible and visual alarm extends to the bottom of the box body, the audible and visual alarm is electrically connected with the output end of the control mainboard, when the voltage sensor is close to the power transmission and transformation equipment which is still electrified, the audible and visual alarm can timely detect the ground wire in different safety ranges according to different voltage levels, and then send out the alarm to timely remind the operator to prevent the misoperation and protect the operator and the power transmission and transformation equipment, the misoperation prevention effect is good, and the use is safer.
Description
Technical Field
The utility model relates to an electric power becomes carries earth connection technical field, especially relates to a power transmission and transformation equipment of electric power system has a power failure and prevents maloperation earth connection.
Background
In an electric power system, before power failure maintenance of a transmission line and power transformation equipment, in order to ensure the safety of constructors, the transmission line and the power transformation equipment need to be powered off and three-phase short circuit grounding needs to be carried out, and the three-phase short circuit grounding is also an important technical measure in the power transmission and transformation engineering for ensuring the working safety of the constructors.
The ground wire needs to be hung on the rear suspension of the prior electricity before being installed, if workers manually make mistakes or neglects, the ground wire is hung under the condition of no electricity test, so that the errors in operation are caused slightly, and the personal injuries and deaths and the damage of power transmission and transformation equipment are caused seriously. If the electroscope used by constructors has defects and abnormal functions, the caused consequences are the same as those of the former electroscope, and the grounding wire used in the power failure grounding operation of the power transmission and transformation equipment at present does not have any misoperation preventing element or insufficient misoperation preventing operation in the true sense.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power transmission and transformation equipment of electric power system has a power failure and prevents maloperation earth connection to solve above-mentioned technical problem.
For solving the technical problem, the utility model provides a pair of power transmission and transformation equipment power failure prevents maloperation earth connection, hang head and insulator spindle including the earth connection, insulator spindle fixed connection hangs the head bottom at the earth connection, the earth connection hangs fixed mounting panel and the box body of being equipped with in first one side, the box body is established in the mounting panel bottom, the fixed voltage sensor that is equipped with in mounting panel top, the inside top fixedly connected with control mainboard of box body, voltage sensor and control mainboard input electric connection, the inside audible-visual annunciator that is equipped with of box body, audible-visual annunciator establishes in control mainboard bottom, just audible-visual annunciator extends to the box body bottom, audible-visual annunciator and control mainboard output electric connection.
Preferably, the storage battery is fixedly arranged inside the box body, the storage battery is arranged between the audible and visual alarm and the control mainboard, and the storage battery is electrically connected with the input end of the control mainboard.
Preferably, the box body is internally and fixedly provided with a fixing plate, the fixing plate is arranged between the storage battery and the audible and visual alarm, and the audible and visual alarm is fixedly connected to the bottom end of the fixing plate.
Preferably, a plurality of sound transmission holes are formed in the bottom end of the box body, and the sound transmission holes are distributed in an annular array mode through the central axis of the audible and visual alarm.
Preferably, a box cover is arranged on one side of the box body, and one side of the box body is in contact with the inner side of the box cover.
Preferably, a plurality of screws penetrate through the outer side of the box cover, and the box body is fixedly connected with the box cover through the screws.
Compared with the prior art, the utility model provides a pair of power system power transmission and transformation equipment has a power failure and prevents maloperation earth connection has following beneficial effect:
when being close to still electrified power transmission and transformation equipment, can in time survey out in the safety range of difference according to different voltage classes through voltage sensor, then rethread audible-visual annunciator sends the warning, in time reminds operating personnel to prevent the mistake and controls and protect operating personnel and power transmission and transformation equipment, prevents that the mistake from controlling effectually, uses safelyr.
Drawings
Fig. 1 is a schematic view of an overall three-dimensional structure of a power failure misoperation prevention ground wire of power transmission and transformation equipment of an electric power system provided by the present invention;
fig. 2 is a schematic view of an internal three-dimensional structure of a box body of a power system power transmission and transformation equipment power failure misoperation prevention ground wire provided by the utility model;
fig. 3 is a schematic diagram of a three-dimensional structure of a box body of a power-system power transmission and transformation equipment power-failure anti-misoperation ground wire provided by the utility model;
fig. 4 is the utility model provides a power transmission and transformation equipment of electric power system has a power failure and prevents lid spatial structure schematic diagram of maloperation earth connection.
Reference numbers in the figures: 1. the ground wire suspension head comprises a ground wire suspension head body 2, an insulating rod 3, a mounting plate 4, a voltage sensor 5, a box body 6, a box cover 7, a screw 8, a control main board 9, a storage battery 10, a fixing plate 11, an audible and visual alarm 12 and a sound transmission hole.
Detailed Description
In the embodiment, as shown in fig. 1-4, the utility model comprises an earth wire suspension head 1 and an insulating rod 2, the insulating rod 2 is fixedly connected to the bottom end of the earth wire suspension head 1, a mounting plate 3 and a box body 5 are fixedly arranged on one side of the earth wire suspension head 1, the box body 5 is arranged at the bottom of the mounting plate 3, a voltage sensor 4 is fixedly arranged at the top end of the mounting plate 3, a control mainboard 8 is fixedly connected to the top end of the interior of the box body 5, the voltage sensor 4 is electrically connected with the input end of the control mainboard 8, an audible and visual alarm 11 is arranged in the box body 5, the audible and visual alarm 11 is arranged at the bottom of the control mainboard 8, the audible and visual alarm 11 extends to the bottom of the box body 5, the audible and visual alarm 11 is electrically connected with the output end of the control mainboard 8, and the voltage sensor 4 can timely detect whether the power transmission and transformation equipment is still electrified when the earth wire is operated, and can in time detect in safe range according to the voltage class through control mainboard 8, 10 kilovolts of voltage class correspond 7 meters, 35 kilovolts of voltage class corresponds 1 meter, 110 kilovolts of voltage class corresponds 1.5 meters, 220 kilovolts of voltage class corresponds 3 meters, can in time send out the warning through audible-visual annunciator 11 when voltage sensor 4 detects that power transmission and transformation equipment is electrified, remind operating personnel to prevent the maloperation, effectively protected operating personnel and power transmission and transformation equipment.
5 inside fixed batteries 9 that are equipped with of box body, batteries 9 are established between audible-visual annunciator 11 and control mainboard 8, just batteries 9 and 8 input electric connection of control mainboard, and batteries 9 can provide the electric energy to voltage detector 4 and audible-visual annunciator 11.
The inside fixed plate 10 that is equipped with of box body 5, fixed plate 10 is established between battery 9 and audible-visual annunciator 11, just audible-visual annunciator 11 fixed connection is in fixed plate 10 bottom, and fixed plate 10 is convenient for install audible-visual annunciator 11, and audible-visual annunciator 11's luminous position stretches out to box body 5 bottom, the transmission of the light warning of being more convenient for.
A plurality of sound transmission holes 12 have been seted up to 5 bottoms of box body, and are a plurality of sound transmission holes 12 are annular array with 11 axis of audible-visual annunciator and distribute, and sound transmission holes 12 are convenient for audible-visual annunciator 11's sound production warning in time to be passed out and warn operating personnel.
5 one side of box body is equipped with lid 6, just 5 one side of box body contacts with 6 inboards of lid, 6 outsides of lid run through and are equipped with a plurality of screws 7, just box body 5 and lid 6 pass through screw 7 fixed connection, and lid 6 passes through screw 7 to be fixed on box body 5, dismantles and installation easy operation, and the later stage of being convenient for is maintained the change to 5 internals of box body.
The working principle is as follows:
when the grounding wire is operated, when a worker holds the insulating rod 2 and brings the grounding wire suspension head 1 close to the power transmission and transformation equipment, if the power transmission and transformation equipment is still electrified, the voltage sensor 4 can timely detect that the equipment is electrified when entering a high-voltage safety range, then the control main board 8 receives the information of the voltage sensor 4 and controls the audible and visual alarm 11 to give an audible and visual alarm, and timely reminds an operator to prevent misoperation and protect the operator and the power transmission and transformation equipment, when the voltage sensor 4 is close to different voltage grades, the detection alarm can be carried out at different safety distances according to different voltage grades, the 10 kilovolt grade corresponds to 7 meters, the 35 kilovolt grade corresponds to 1 meter, the 110 kilovolt grade corresponds to 1.5 meters, and the 220 kilovolt grade corresponds to 3 meters.
Claims (6)
1. The utility model provides a power system power transmission and transformation equipment has a power failure and prevents maloperation earth connection, includes that the earth connection hangs first (1) and insulator spindle (2), insulator spindle (2) fixed connection hangs first (1) bottom at the earth connection, its characterized in that: the earth connection hangs head (1) one side fixed mounting panel (3) and box body (5) of being equipped with, establish in mounting panel (3) bottom box body (5), fixed voltage sensor (4) of being equipped with in mounting panel (3) top, box body (5) inside top fixedly connected with control mainboard (8), voltage sensor (4) and control mainboard (8) input electric connection, box body (5) inside is equipped with audible-visual annunciator (11), audible-visual annunciator (11) are established in control mainboard (8) bottom, just audible-visual annunciator (11) extend to box body (5) bottom, audible-visual annunciator (11) and control mainboard (8) output electric connection.
2. The power system power transmission and transformation equipment power failure misoperation prevention grounding wire is characterized in that a storage battery (9) is fixedly arranged inside the box body (5), the storage battery (9) is arranged between the audible and visual alarm (11) and the control main board (8), and the storage battery (9) is electrically connected with the input end of the control main board (8).
3. The power system power transmission and transformation equipment power failure misoperation prevention grounding wire is characterized in that a fixing plate (10) is fixedly arranged inside the box body (5), the fixing plate (10) is arranged between a storage battery (9) and an audible and visual alarm (11), and the audible and visual alarm (11) is fixedly connected to the bottom end of the fixing plate (10).
4. The power system power transmission and transformation equipment power failure misoperation prevention grounding wire is characterized in that a plurality of sound transmission holes (12) are formed in the bottom end of the box body (5), and the sound transmission holes (12) are distributed in an annular array mode through the central axis of the audible and visual alarm (11).
5. The power system power transmission and transformation equipment power failure misoperation prevention grounding wire is characterized in that a box cover (6) is arranged on one side of the box body (5), and one side of the box body (5) is in contact with the inner side of the box cover (6).
6. The power system power transmission and transformation equipment power failure misoperation prevention grounding wire is characterized in that a plurality of screws (7) penetrate through the outer side of the box cover (6), and the box body (5) and the box cover (6) are fixedly connected through the screws (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221138987.XU CN217158853U (en) | 2022-05-11 | 2022-05-11 | Power system power transmission and transformation equipment power failure anti-misoperation grounding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221138987.XU CN217158853U (en) | 2022-05-11 | 2022-05-11 | Power system power transmission and transformation equipment power failure anti-misoperation grounding wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217158853U true CN217158853U (en) | 2022-08-09 |
Family
ID=82666646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221138987.XU Active CN217158853U (en) | 2022-05-11 | 2022-05-11 | Power system power transmission and transformation equipment power failure anti-misoperation grounding wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217158853U (en) |
-
2022
- 2022-05-11 CN CN202221138987.XU patent/CN217158853U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109521335A (en) | It is a kind of to take the high-voltage cable insulating state on-line detecting system that powered based on self-induction | |
| CN207074246U (en) | A kind of GIS partial discharge on-line monitoring system | |
| CN201732134U (en) | Panel-type short-circuit and earth fault indicator with pre-alarm function | |
| CN211293018U (en) | Novel ammeter case is prevented fires device | |
| CN109980782B (en) | Wireless monitoring detector and system for safe operation of power transmission and distribution line | |
| CN205621875U (en) | Novel earth connection device | |
| KR102382939B1 (en) | Energy harvesting wireless electricity meter and high voltage power facility having thereof | |
| CN205489070U (en) | Intelligence feedback switch board system | |
| CN217158853U (en) | Power system power transmission and transformation equipment power failure anti-misoperation grounding wire | |
| CN105301398A (en) | Distribution box fault indication device | |
| CN204091111U (en) | Early-warning for high pressure insulating boot | |
| CN111308297A (en) | Insulation detection device | |
| CN213123273U (en) | Safety distance warning device for high-voltage live equipment | |
| CN212181599U (en) | Electric line fire early warning terminal | |
| CN209232114U (en) | A kind of electrification in high voltage induction alarm device | |
| CN209821313U (en) | Power supply operation safety detection device | |
| CN210574210U (en) | Portable acousto-optic safety warning alarm device | |
| CN207528881U (en) | A kind of automobile motor earth detector and automobile | |
| CN111308174A (en) | Knife switch current display visualization system | |
| CN205846487U (en) | A kind of wireless temperature measurement withdraw-type switch cabinet | |
| CN218158112U (en) | Simple direct current string alternating current alarm device | |
| CN212969167U (en) | Electromechanical protection device of electrical engineering generator | |
| CN214750659U (en) | Whole machine insulation monitoring device for port crane | |
| CN213240459U (en) | Special power supply system for traveling crane | |
| CN217334708U (en) | Prevent static safe type switch board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |