CN204203321U - A kind of angle station and electroscope - Google Patents

Abstract

The utility model provides a corner device, which comprises: a fastening part, the fastening part includes a concave groove, a rotating part, one end of the rotating part is provided with a rotating head, and the other end is provided with a As for the sensing part connected with the electroscope head, the rotating head is in close contact with the inner surface of the card slot, and the rotating part rotates 90 degrees with the rotating head as the center of a circle. In the utility model, the rotating part is arranged so that the rotating part can rotate 90 degrees, and the rotating part can be fixed at any angle within the range of 90 degrees under the action of the fastening part. The utility model also provides an electroscope, so that the angle formed when the electroscope head of the electroscope contacts with the equipment to be tested increases, and the electric field gradient of the induction electrode across the electric field increases significantly, which ensures accurate electroscope and can give an accurate alarm.

Description

A corner device and electroscope

technical field

The utility model relates to the technical field of electroscopes, in particular to a corner device and an electroscope.

Background technique

The high-voltage electroscope is mainly used to detect whether the high-voltage overhead live lines, cable lines, and high-voltage electrical equipment are live. It is a necessary safety tool for power systems and electrical departments of industrial and mining enterprises. At present, the high-voltage electroscope uses the capacitance equivalent principle to test the cable circuit. It is usually composed of a needle-shaped induction electrode, a test head and an insulating rod. The top of the needle-shaped induction electrode is used to contact the live equipment, and the equipment or live equipment is detected. After the line is electrified, start the sound and light alarm to give an alarm.

The principle of the electroscope is that the electroscope and the earth are equivalent to a capacitor. The electroscope is one electrode of the capacitor, and the earth is the other electrode. A power-frequency AC voltage is applied to both ends of the equivalent capacitance. At this time, a capacitive current appears in the capacitor. The designer of the electroscope strictly sets the capacitive current flowing through the electroscope circuit according to the voltage level of each electroscope. In essence, the alarm device is activated by sensing the gradient electric field around the charged equipment or wire through the sensing electrode.

At present, when the existing high-voltage electroscope detects equipment such as equalizing rings and vertical drain wires, and inspects wires when the position angle on the high-voltage iron tower is limited, the angle formed when the electroscope's electroscope head contacts the tested equipment Small, due to the distribution of the electric field, when the electroscope head of the electroscope contacts the equipment under test at a small angle, the electric field gradient across the electrode becomes significantly smaller, resulting in the situation that there is electricity but no alarm occurs, and the alarm cannot be accurately reported.

Utility model content

In order to solve the above technical problems, the utility model provides a corner device and an electroscope, which increases the angle between the sensing electrode and the equipment under test, so that the sensing electrode is in a strong electric field gradient and ensures the accuracy of the electroscope.

In order to achieve the above purpose, the utility model provides a corner device, which includes:

a fastening part, the fastening part includes a concave groove;

A rotating part, one end of the rotating part is provided with a rotating head, and the other end is provided with an induction part for connecting with the electroscope head, the rotating head is in close contact with the inner surface of the card slot, and the rotating part is The rotating head is rotated 90 degrees to the center of the circle.

Preferably, in the above-mentioned corner device, the length of the rotating part is 20 mm.

Preferably, in the above-mentioned corner device, the sensing component is a thread.

Preferably, in the above corner device, the corner device further includes an insulating rod connecting part, one end of the insulating rod connecting part is connected to the fastening part, and the other end is connected to the insulating rod.

Preferably, in the above-mentioned corner device, one end of the insulating rod connecting part is connected to the insulating rod through a built-in thread of the insulating rod connecting part.

Preferably, in the above-mentioned corner device, the insulating rod connecting part is connected to the fastening part through a fastening knob.

Preferably, in the above-mentioned corner device, the length of the connecting part of the insulating rod is 32mm.

Preferably, in the above corner device, the overall length of the corner device is 77mm.

The utility model also provides an electroscope, which includes the corner device as described in any one of the above.

It can be seen from the above technical solution that the utility model provides a corner device, which includes: a fastening part, the fastening part includes an inner concave groove, a rotating part, and one end of the rotating part is set There is a rotating head, and the other end is provided with an inductive component for connecting with the electroscope head. The rotating head is in close contact with the inner surface of the card slot, and the rotating part rotates 90 degrees with the rotating head as the center. In the utility model, the rotating part is arranged so that the rotating part can rotate 90 degrees, and the rotating part can be fixed at any angle within the range of 90 degrees under the action of the fastening part. The utility model also provides an electroscope, so that the angle formed when the electroscope head of the electroscope contacts with the equipment to be tested is obviously increased, and the gradient of the induction electrode across the electric field is obviously increased, which ensures accurate electroscope, and can accurately Call the police.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a front view of a corner device provided by the embodiment of the utility model;

Fig. 2 is a side view of a corner device provided by the embodiment of the utility model;

Fig. 3 is a schematic diagram of an electroscope provided by an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In order to solve the technical problem of inaccurate electric inspection due to the small angle formed between the electric inspection head and the tested equipment in the prior art, the utility model provides a corner device, as shown in Fig. 1 and Fig. 2 , Figure 1 is a front view of a corner device provided by an embodiment of the utility model, and Figure 2 is a side view of a corner device provided by an embodiment of the utility model. The corner device includes: a fastening part 102, the fastening part 102 includes a concave groove, a rotating part 101, one end of the rotating part 101 is provided with a rotating head, and the other end is provided with a socket for connecting with the electroscope head. As for the sensing part, the rotating head is in close contact with the inner surface of the card slot, and the rotating part 101 rotates 90 degrees with the rotating head as the center of the circle. By setting the rotating part 101, the rotating part 101 can be rotated 90 degrees, the rotating part 101 can be rotated 90 degrees means that it can rotate from a direction parallel to the fastening part 102 to a direction perpendicular to the fastening part 102, and the rotating part 101 can rotate in a tight Under the action of the solid part 102, it can be fixed at any angle within the range of 90 degrees.

Wherein, the length of the rotating part 101 is 20 mm. The other end of the rotating part 101 is provided with an inductive part for connecting with the electroscope head. In this embodiment, the inductive part is a screw thread, and the rotating part 101 can also be connected with the electroscope head by other methods such as riveting. The outer diameter of the thread is 8mm.

The corner device further includes an insulating rod connecting part 104 , one end of the insulating rod connecting part 104 is connected to the fastening part 102 , and the other end is connected to the insulating rod 106 . In this embodiment, one end of the insulating rod connecting part 104 is connected to the insulating rod 106 through the built-in thread 105 of the insulating rod connecting part 104 . In this embodiment, the outer diameter of the built-in thread 105 is the same as the outer diameter of the thread of the rotating component 101, both of which are 8 mm. The outer diameter of the built-in thread 105 and the screw of the rotating component 101 can also be different, as long as the built-in thread 105 cooperates with the insulating rod 106 and the thread of the rotating component 101 cooperates with the electroscope 108 .

The insulating rod connecting part 104 is connected to the fastening part 102 through a fastening knob 103. In this embodiment, the fastening knob 103 fixes the fastening part 102 and the insulating rod connecting part 104 through threads. The connection method between the fastening knob 103 and the fastening component 104 can also be other connection methods such as riveting, which can also achieve the above purpose.

The length of the insulating rod connecting part 104 is 32 mm. In this embodiment, the outer diameter of the insulating rod connecting part 104 is 18 mm. The overall length of the corner unit is 77mm.

The utility model also provides an electroscope. As shown in FIG. The electrode 109 is connected with the electroscope head 108, and a corner device 107 is installed between the electroscope head 108 and the insulating rod 106, and the corner device 107 makes the angle between the electroscope head 108 and the insulating rod 106 can occur in a vertical plane by 90° degree, and the electroscope head 108 can be fixed at any angle within the range of 90 degrees, which increases the angle between the electroscope head 108 and the equipment under test, and improves the situation where the operator himself is limited in position and angle. The electrical inspection position below meets the technical requirements of the electrical inspection and avoids the occurrence of invalid electrical inspections.

In this embodiment, the angle between the electroscope head 108 and the insulating rod 106 is changed through the angle device, so that the angle between the induction electrode 109 at one end of the electroscope head 108 and the wire to be tested is 90 degrees. At this time, the induction electrode 109 crosses the The electric field gradient is the largest, and the electroscope can accurately detect the electricity. In addition, by changing the angle between the electroscope head 108 and the insulating rod 106, the electroscope can also avoid the dead zone of the electroscope under the uniform electric field environment under the grading ring, so as to ensure the accurate electroscope of the electroscope.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. an angle station, is characterized in that, described angle station comprises:

Secure component, described secure component comprises concave shaped draw-in groove;

Rotary part, one end of described rotary part is provided with rotating head, and the other end is provided with the inductive means for being connected with electrical verification head, and the medial surface of described rotating head and described draw-in groove fits tightly, described rotary part with described rotating head for 90 degree of rotations are done in the center of circle.

2. angle station as claimed in claim 1, it is characterized in that, the length of described rotary part is 20mm.

3. angle station as claimed in claim 1, it is characterized in that, described inductive means is screw thread.

4. angle station as claimed in claim 1, it is characterized in that, described angle station also comprises insulating bar link, and one end of described insulating bar link is connected with described secure component, and the other end is connected with insulating bar.

5. angle station as claimed in claim 4, is characterized in that, one end of described insulating bar link is connected with described insulating bar by the disposed thread of described insulating bar link.

6. angle station as claimed in claim 4, it is characterized in that, described insulating bar link is connected by tightening knob with described secure component.

7. angle station as claimed in claim 4, it is characterized in that, the length of described insulating bar link is 32mm.

8. angle station as claimed in claim 1, it is characterized in that, the entire length of described angle station is 77mm.

9. an electroscope, is characterized in that, described electroscope comprises the angle station as described in any one of claim 1 to 8.