CN215005595U

CN215005595U - Novel low-voltage test pencil

Info

Publication number: CN215005595U
Application number: CN202121149574.7U
Authority: CN
Inventors: 刘钰磊; 哲博; 吴日; 王波; 肖盛忠; 张�杰; 张海林
Original assignee: Inner Mongolia Huadian Huitengxile Wind Power Co ltd
Current assignee: Inner Mongolia Huadian Huitengxile Wind Power Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-03
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a novel electrography is tested to low pressure, which comprises a body, the positive lower extreme from the top down of body is fixedly connected with sensitivity switch key, alternating current-direct current switch key, flashlight on & off switch and start off switch in proper order, the positive lower extreme of body and the bottom that is located start off switch inlay and be equipped with signal strength indicator, the bottom fixedly connected with light of body. The utility model discloses a top threaded connection of body has the screw thread telescopic link, played and to have reduced or extend, portable, inlay through the positive upper end of body and be equipped with the display screen, played and shown the measuring voltage, the scope is between 0V to 690V, bottom fixedly connected with light through the body, the effect of illumination has been played, through the positive lower extreme from the top down fixedly connected with sensitivity switching key in proper order of body, the alternating current-direct current switching key, flashlight on & off switch and start off switch, played the condition whether there is the broken string in the inquiry circuit that can be very convenient.

Description

Novel low-voltage test pencil

Technical Field

The utility model relates to an electric power tech field specifically is a novel electrography is tested to low pressure.

Background

The invention relates to electric power, which is an energy source using electric energy as power, in the 70 th 19 th century, the invention and application of the electric power have raised the second industrialized climax and become one of three scientific and technological revolution which occur in the world since the 18 th century history of human beings, in the electric power industry, particularly in the daily tour process of a transformer substation, each device is often required to be tested to see whether the device works normally, the test pencil plays a very important role, the test pencil is convenient to carry, and whether voltage exists can be accurately detected to prevent people from getting electric shock by mistake. However, due to the design reason, the voltage level cannot be determined, and the current test pencil is troublesome in electricity test under severe environments such as night and high places.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel electrography is tested to low pressure possesses can stretch out and draw back, nib department has the illumination and can measure and show the advantage of voltage, has solved current electrography of testing and has not possessed the problem of flexible, illumination and voltage display.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel electrography is tested to low pressure, includes the body, the positive lower extreme from the top down of body is fixedly connected with sensitivity switch key, alternating current-direct current switch key, flashlight on & off switch and start off the machine key in proper order, the positive lower extreme of body just is located the bottom of start off the machine key and inlays and be equipped with the signal strength pilot lamp, the bottom fixedly connected with light of body, the bottom of body just is located the inner chamber fixedly connected with NCV inductive head of light, the positive upper end of body inlays and is equipped with the display screen, the positive upper end of body just is located the top threaded connection of the upper end swing joint of display screen button cell body has the screw thread telescopic link, the top of screw thread telescopic link is pegged graft and is had the wire, the input of wire passes through power cord fixedly connected with clip.

Preferably, the top spraying of body has the polytetrafluoroethylene plastic layer, the top spraying of polytetrafluoroethylene plastic layer has engineering plastic layer.

Preferably, the top spraying of clip has the epoxy ceramic coating layer, the top spraying of epoxy ceramic coating layer has the aluminium oxide coating layer.

Preferably, the thickness of the polytetrafluoroethylene plastic layer is 0.21cm-0.26cm, and the thickness of the engineering plastic layer is 0.12cm-0.18 cm.

Preferably, the thickness of the epoxy ceramic coating layer is 0.13cm-0.17cm, and the thickness of the aluminum oxide coating layer is 0.12cm-0.15 cm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a top threaded connection of body has the screw thread telescopic link, played and to have reduced or extended, portable, inlay through the positive upper end of body and be equipped with the display screen, the voltage that shows the measurement has been played, the scope is between 0V to 690V, bottom fixedly connected with light through the body, the effect of illumination has been played, fixedly connected with sensitivity switch key, alternating current-direct current switch key, flashlight on-off switch and power on-off switch in proper order through the positive lower extreme from the top down of body, whether the condition that whether exists the broken string in the inquiry circuit that can be very convenient has been played, if the test is the alternating current, then give out light through signal strength indicator, and the two poles of the earth of signal strength indicator all can give out light, if the direct current of test, then test pencil only has a utmost point luminous, and luminous be the negative pole, it does not possess flexible test pencil and give out light, it does not possess to have solved current test pencil, Lighting and voltage display problems.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a polytetrafluoroethylene plastic layer according to the present invention;

fig. 3 is a schematic diagram of the structure of the alumina coating layer of the present invention.

In the figure: 1. a body; 2. an AC/DC switching key; 3. a power-on and power-off key; 4. an illuminating lamp; 5. an NCV inductive head; 6. a signal strength indicator light; 7. a flashlight on-off key; 8. a sensitivity switch key; 9. a display screen; 10. a button cell; 11. a power line; 12. a clip; 13. a polytetrafluoroethylene plastic layer; 14. an engineering plastic layer; 15. an epoxy ceramic coating layer; 16. an alumina coating layer; 17. a wire; 18. screw thread telescopic link.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a body 1, alternating current-direct current shift key 2, start key 3 of shutting down, light 4, NCV inductive head 5, signal strength pilot lamp 6, flashlight on-off switch 7, sensitivity shift key 8, display screen 9, button cell 10, power cord 11, clip 12, polytetrafluoroethylene plastic layer 13, engineering plastic layer 14, epoxy ceramic dope layer 15, alumina dope layer 16,

wire

17 and 18 parts of screw thread telescopic link are the general standard spare or the part that technical personnel in the field know, and the standard part that uses all can be followed the market in this application file, and can all customize according to the record of description and drawing, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel.

Referring to fig. 1-3, a novel low-voltage test pencil comprises a main body 1, wherein a sensitivity switch 8, an ac/dc switch 2, a flashlight switch 7 and a power on/off switch 3 are fixedly connected to the front lower end of the main body 1 from top to bottom, a signal intensity indicator 6 is embedded in the front lower end of the main body 1 and at the bottom of the power on/off switch 3, so as to conveniently inquire whether a circuit is broken or not, if the circuit is tested to be ac, the signal intensity indicator 6 emits light, and both poles of the signal intensity indicator 6 emit light, if the circuit is tested to be dc, only one pole of the test pencil emits light, and the light emitting pole is a negative pole, a lighting lamp 4 is fixedly connected to the bottom of the main body 1, an NCV induction head 5 is fixedly connected to the inner cavity of the lighting lamp 4, and a display screen 9 is arranged at the front upper end of the main body 1, the voltage for displaying measurement is displayed, the range is between 0V and 690V, the top of the body 1, which is positioned at the upper end of the front surface of the body 1 and is movably connected with the upper end of the display screen 9, is in threaded connection with a threaded telescopic rod 18, the top of the body 1 is in threaded connection with a button cell 10, the wire 17 is inserted into the top of the threaded telescopic rod 18, the input end of the wire 17 is fixedly connected with a clamp 12 through a power cord 11, the top of the body 1 is sprayed with a polytetrafluoroethylene plastic layer 13, the top of the polytetrafluoroethylene plastic layer 13 is sprayed with an engineering plastic layer 14, the top of the clamp 12 is sprayed with an epoxy ceramic coating layer 15, the top of the epoxy ceramic coating layer 15 is sprayed with an aluminum oxide coating layer 16, the thickness of the polytetrafluoroethylene plastic layer 13 is 0.21cm-0.26cm, the thickness of the engineering plastic layer 14 is 0.12cm-0.18cm, the thickness of the epoxy ceramic coating layer 15 is 0.13cm-0.17cm, the thickness of the alumina coating layer 16 is 0.12cm-0.15 cm.

When the portable electric testing pen is used, the threaded telescopic rod 18 is connected with the top of the body 1 through threads, the portable electric testing pen can be reduced or extended, the display screen 9 is embedded in the upper front end of the body 1, the voltage for displaying measurement is displayed, the range is 0V to 690V, the illuminating lamp 4 is fixedly connected with the bottom of the body 1, the illuminating effect is achieved, the sensitivity switching key 8, the alternating current/direct current switching key 2, the flashlight switch key 7 and the power on/off key 3 are fixedly connected with the lower front end of the body 1 from top to bottom in sequence, whether a broken line exists in a line can be conveniently inquired, if the alternating current is tested, the signal intensity indicating lamp 6 emits light, two poles of the signal intensity indicating lamp 6 can emit light, if the direct current is tested, only one pole of the testing pen emits light, and the light is the negative pole, and the problem that the existing testing pen does not have the telescopic function is solved, Lighting and voltage display problems.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel electrography is tested to low pressure, includes body (1), its characterized in that: the device is characterized in that the lower end of the front of the body (1) is fixedly connected with a sensitivity switching key (8), an alternating current-direct current switching key (2), a flashlight on-off key (7) and a power on-off key (3) from top to bottom in sequence, a signal intensity indicator lamp (6) is embedded at the lower end of the front of the body (1) and positioned at the bottom of the power on-off key (3), an illuminating lamp (4) is fixedly connected at the bottom of the body (1), an NCV induction head (5) is fixedly connected at the bottom of the body (1) and positioned in an inner cavity of the illuminating lamp (4), a display screen (9) is embedded at the upper end of the front of the body (1), a button cell (10) is movably connected at the upper end of the front of the body (1) and positioned at the upper end of the display screen (9), a threaded telescopic rod (18) is connected at the top of the body (1) in a threaded manner, and a lead (17) is inserted at the top of the threaded telescopic rod (18), the input end of the lead (17) is fixedly connected with a clamp (12) through a power line (11).

2. The novel low-voltage electroscope as claimed in claim 1, wherein: the top spraying of body (1) has polytetrafluoroethylene plastic layer (13), the top spraying of polytetrafluoroethylene plastic layer (13) has engineering plastic layer (14).

3. The novel low-voltage electroscope as claimed in claim 1, wherein: the top spraying of clip (12) has epoxy ceramic coating layer (15), the top spraying of epoxy ceramic coating layer (15) has alumina coating layer (16).

4. The novel low-voltage electroscope as claimed in claim 2, wherein: the thickness of the polytetrafluoroethylene plastic layer (13) is 0.21cm-0.26cm, and the thickness of the engineering plastic layer (14) is 0.12cm-0.18 cm.

5. The novel low-voltage electroscope as claimed in claim 3, wherein: the thickness of the epoxy ceramic coating layer (15) is 0.13cm-0.17cm, and the thickness of the aluminum oxide coating layer (16) is 0.12cm-0.15 cm.