CN218003542U - Special electricity testing device for high-voltage switch cabinet - Google Patents
Special electricity testing device for high-voltage switch cabinet Download PDFInfo
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- CN218003542U CN218003542U CN202221896056.6U CN202221896056U CN218003542U CN 218003542 U CN218003542 U CN 218003542U CN 202221896056 U CN202221896056 U CN 202221896056U CN 218003542 U CN218003542 U CN 218003542U
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- electroscope
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- voltage switch
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Abstract
The utility model discloses a special electricity device of testing of high tension switchgear, including the base, install in the isolation barrier opening mechanism of the base front end left and right sides, install in 4 gyro wheels of the base left and right sides, install in the insulating baffle and the insulating bar of base rear end, the back at insulating baffle is installed to the insulating bar, insulating barrier's front is through being connected with three hollow insulating connecting rods, three electroscope of taking the self-checking function of three insulating connecting rod's front end installation, the metal head of the front end of electroscope is connected with the becket, insulating baffle and pedestal connection, isolation barrier opening mechanism and pedestal connection, three bee calling organ and the three pilot lamp that pass through cable junction with the electroscope are installed at isolation barrier's back. The utility model discloses can identify three-phase voltage simultaneously, can directly open the interior division shield of cubical switchboard through division shield opening mechanism, reduce the risk of electric shock.
Description
Technical Field
The utility model relates to an electric power system field relates to an electric installation is tested in high tension switchgear special use, especially one kind is applicable to 10kV cubical switchboard special use and tests electric installation.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like. When power failure is needed to perform maintenance work in places such as a power plant, a transformer substation or a distribution room, grounding wires or grounding disconnecting links need to be installed in a high-voltage switch cabinet and on a 10kV bus or a 10kV transformer so as to ensure the personal safety of workers, and the installation points need to be proved to have no voltage before the grounding wires or the grounding disconnecting links are installed.
At present, an electricity testing trolley is generally used for testing electricity, for example, patent CN213460837U discloses an electricity testing trolley for a 10kV switch cabinet, which comprises a frame, isolation baffle opening mechanisms installed on the left and right sides of the front end of the frame, a plurality of rollers installed on the left and right sides of the frame, an operating handle installed on the rear end of the frame, and a width adjusting mechanism for driving the frame to adjust the width, wherein the frame comprises a left frame and a right frame, and an inserting rod part and an inserting hole part which are sleeved in a left-right sliding manner are arranged at the butt joint of the left frame and the right frame.
However, the electricity testing trolleys used at present generally have the following problems:
1. the existing structure can realize the width adjustment of the electricity testing trolley, the opening direction of the propulsion plate can be selected, but the number of metal parts is large, and the risk of electric shock and short circuit exists during electricity testing;
2. the metal parts are more, the structure is complex, the weight is heavier, and the carrying operation is not facilitated;
3. the structure is complex, equipment failure is easy to cause, and the operation time is often prolonged;
4. when electricity is tested, only single-phase power failure can be verified, and the fact that three phases are verified to have no voltage can not be guaranteed;
5. when testing the electricity, pilot lamp and bee calling organ are inside the dolly, and when scene illuminance was higher and the noise was great, can not effectively differentiate whether the power failure equipment has had a power failure.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the special electricity testing device for the high-voltage switch cabinet is provided for simultaneously testing three-phase voltage.
The technical scheme of the utility model is that:
the utility model provides a special electricity testing device of high tension switchgear, includes the base, installs in the isolation barrier opening mechanism of the base front end left and right sides, installs in 4 gyro wheels of the base left and right sides, installs in the insulating baffle and the insulating bar of base rear end, and the insulating bar passes through the screw thread installation and the insulating baffle back, and the insulating baffle openly passes through three hollow insulating connecting rods of threaded connection, and three hollow insulating connecting rod front ends pass through the three electroscope of taking the self-checking function of screw thread installation, and the metal head of electroscope front end passes through the screw thread to be connected with the becket, insulating baffle passes through bolted connection with the base, and isolation barrier opening mechanism passes through bolted connection with the base, three bee calling organ of isolation barrier back installation and three pilot lamp.
And a gap between the cable sleeve and the insulating baffle is filled and sealed by a rubber plug.
In order to increase the reliability of electroscopy, the buzzer and the indicator light are connected to corresponding leads in the electroscope from the hollow insulating connecting rod through a cable sleeve by leads.
In order to reduce the weight of the electroscope, except for the base, the isolation baffle opening mechanism, the metal ring and the bolt, other structures are made of plastic insulating materials with smaller mass.
In order to increase the safety performance of electricity testing, the length of the insulating baffle is 64cm, the height of the insulating baffle is 46cm, the thickness of the insulating baffle is 4cm, the whole switch cabinet is guaranteed to be covered by the insulating baffle and the base in a shielding mode, an insulating operating rod with the length of 50cm and the diameter of 6cm is used, an insulating protective ring is installed at the position, 10cm away from the end portion, of the insulating operating rod, and during operation, the hands of an operator cannot exceed the protective ring.
In order to ensure that the conductor can be effectively contacted, the vertical distance between the metal ring and the opening mechanism of the isolation baffle is 15cm, the metal ring can be effectively contacted with a fixed contact in the switch cabinet, and the three-phase distance is 21cm and is consistent with the distance between the fixed contact and the fixed contact in the switch cabinet.
The utility model has the advantages of compared with the prior art
The utility model discloses can directly open the interior separation baffle of cubical switchboard through separation baffle opening mechanism, when testing electricity, through installing insulating connecting rod, insulating baffle, insulating bar and insulating retaining ring, guarantee 10kV equipment safe distance 0.7m that does not have a power failure, solved most old-fashioned electricity testing dolly and had the risk of electrocution when testing electricity, greatly improved operation safety, can effectively guarantee the safety of the person, electric wire netting, equipment; compared with the existing frame formed by connecting the left frame and the right frame, the electroscope has lighter design, is convenient for operators to carry, reduces the maintenance workload, completes electroscopy quickly and safely, effectively improves the switching operation efficiency and reduces the operation and maintenance cost; the buzzer and the indicator light of the electroscope are arranged outside the insulating baffle, so that operators can conveniently and timely confirm whether the equipment is electrified or not, and the safety of the human body, the power grid and the equipment can be effectively guaranteed.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is the utility model discloses a 10kV cubical switchboard special use test electric installation's overall structure sketch map.
Fig. 2 is a back structure schematic diagram of the special electricity testing device for 10kV switch cabinet.
Fig. 3 is a schematic view of a local structure of the special electricity testing device for a 10kV switch cabinet.
The scores in the figures are as follows: 1. insulating action bars, 2, insulating retaining ring, 3, insulating baffle, 4, insulating connecting rod, 5, electroscope, 6, becket, 7, base, 8, gyro wheel, 9, isolation baffle opening mechanism, 10, bolt, 11, electroscope self-checking button, 12, cable sleeve, 13, cable, 14, bee calling organ, 15, pilot lamp, 16, rubber buffer.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings show only the actual effect of the connection of the respective portions, and do not show the connection manner of the respective portions.
Example 1
The special electricity testing device for the 10kV switch cabinet comprises a U-shaped base 7, wherein the base comprises a roller 8, an isolation baffle opening mechanism 9, the base is connected with the isolation baffle opening mechanism through a bolt 10, and the base and the roller are connected with an inner bearing of the roller through a shaft; the base is fixedly connected with the insulating baffle 3 through a bolt, the insulating connecting rod 4 is connected with the insulating baffle through a thread, and the electroscope 5 is connected with the insulating connecting rod through a thread; the insulating baffle is connected with the insulating operating rod 1 through threads, and the insulating operating rod is provided with an insulating protective ring 2.
As shown in figure 3, a 10kV special electricity testing device for a switch cabinet is characterized in that a metal head at the front end of an electricity tester is connected with a metal ring 6 through threads, a connecting cable of a buzzer 14 and an indicator lamp 15 penetrates through an insulating connecting rod through a cable sleeve and is connected with the buzzer and the indicator lamp which are arranged outside an insulating baffle, and a gap between the cable sleeve and the insulating baffle is filled and sealed through a rubber pad 16.
When the special electricity testing device for the 10kV switch cabinet shown in the figure 2 is used, an operator holds the protective ring of the insulating operating rod by hand, the electricity tester is pushed into the 10kV switch cabinet, the isolating baffle opening mechanism pushes the pin of the isolating baffle in the switch cabinet, the isolating baffle in the switch cabinet is opened, and the electricity tester can extend into the switch cabinet to be directly contacted with the static contact of the electrical equipment, so that the electricity testing function is achieved; when the electrical equipment is electrified, the buzzer outside the insulating baffle can give an alarm, and the indicating lamp can flash, so that the effect of prompting the operator that the equipment is electrified is achieved.
A special electroscope of 10kV cubical switchboard must inspect in qualified life before using, press self-checking button and high voltage generator and detect electroscope normal work, after testing the electricity, also need same self-checking button and high voltage generator to detect electroscope normal work of pressing, need develop power frequency withstand voltage test and starting voltage test to the electroscope every year, experimental qualified back is pasted qualified label and is noted the validity period.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a special electroscope device that tests of high tension switchgear, its characterized in that includes base (7), installs in isolation barrier opening mechanism (9) of base (7) front end left and right sides, installs in 4 gyro wheels (8) of base (7) left and right sides, installs in insulating barrier (3) and insulating action bars (1) of base (7) rear end, the back at insulating barrier (3) is installed in insulating action bars (1), the front of insulating barrier (3) is through being connected with three hollow insulating connecting rod (4), three electroscope (5) of taking the self-checking function of front end installation of three insulating connecting rod (4), the metal head of the front end of electroscope (5) is connected with becket (6), insulating barrier (3) are connected with base (7), isolation barrier opening mechanism (9) are connected with base (7), three bee calling organ (14) and three pilot lamp (15) that pass through cable junction with electroscope (5) are installed to the back of insulating barrier (3).
2. The special electricity testing device for the high-voltage switch cabinet according to claim 1, wherein the insulating connecting rod (4) is of a hollow structure, and the buzzer (14) and the indicator light (15) are connected to corresponding wires inside the electricity tester (5) from the hollow inner part of the insulating connecting rod (4) through a cable sleeve (12) by adopting wires.
3. The special electricity testing device for the high-voltage switch cabinet according to claim 1, wherein the insulating operating rod (1), the insulating protective ring (2), the insulating baffle (3), the insulating connecting rod (4), the base (7) and the roller (8) are all made of plastic insulating materials.
4. The special electroscope for high-voltage switch cabinets according to claim 1, characterized in that the plane size formed by the insulating baffle (3) and the base (7) is larger than the plane size of the whole switch cabinet.
5. The special electroscope device for the high-voltage switch cabinet according to claim 1, wherein the insulating operating rod (1) has a length of 50cm and a diameter of 6cm.
6. The special electricity testing device for the high-voltage switch cabinet according to claim 1, wherein a hollow insulating protective ring (2) is installed at a position 10cm away from the end of the insulating operating rod (1).
7. The special electroscope for high-voltage switch cabinets according to claim 1, characterized in that the vertical distance of the metal ring (6) from the opening mechanism (9) of the isolating baffle is 15cm.
8. The special electricity testing device for the high-voltage switch cabinet according to claim 7, wherein the spacing of the three metal rings (6) is consistent with the three-phase spacing of the high-voltage switch cabinet.
9. The special electroscope for the high-voltage switch cabinet as claimed in claim 1, wherein the plane size of the insulating baffle (3) is as follows: the length is 64cm, the height is 46cm, and the thickness is 4cm.
10. The special electroscope for the high-voltage switch cabinet according to any one of claims 1 to 9, wherein the high-voltage switch cabinet is a 10kV switch cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221896056.6U CN218003542U (en) | 2022-07-21 | 2022-07-21 | Special electricity testing device for high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221896056.6U CN218003542U (en) | 2022-07-21 | 2022-07-21 | Special electricity testing device for high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218003542U true CN218003542U (en) | 2022-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221896056.6U Active CN218003542U (en) | 2022-07-21 | 2022-07-21 | Special electricity testing device for high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218003542U (en) |
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2022
- 2022-07-21 CN CN202221896056.6U patent/CN218003542U/en active Active
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