CN213505427U - High-precision portable cable tester for power detection - Google Patents

Abstract

The utility model discloses an electric power detects uses portable cable tester of high accuracy, including the test casing, the periphery of test casing sets up the jam-proof lacquer layer, and test casing top sets up the jam-proof structure, and the jam-proof structure includes shield cover, jam-proof filter, antenna groove, pivot and jam-proof antenna, is equipped with the jam-proof filter on the shield cover, and the lower surface of shield cover sets up the recess, sets up antenna groove in the recess, is equipped with the jam-proof antenna in the antenna groove. This portable cable tester of high accuracy for electric power detects, the jam-proof lacquer layer is a silver-copper conductive paint layer's component, be favorable to multiple protection electromagnetic interference, reduce the maintenance cost, improve the availability factor, the one end of sliding closure is established on testing the casing through the protruding card of block, prevent to fall into the dust in the detection socket, draw the inside of box to set up a book frame, the winding detection circuitry on rolling up the frame, make things convenient for the circuit rolling, the circuit is lost when preventing to use, the device structure is small and exquisite simple, portable.

Description

High-precision portable cable tester for power detection

Technical Field

The utility model relates to an electronic equipment technical field specifically is a portable cable tester of high accuracy for power detection.

Background

The cable tester is used for detecting cable faults, because the types and models of the instruments are greatly increased, the types and names of the instruments supplied in the domestic cable fault tester market are various, except for the common cable fault tester, a direct-buried cable fault tester, a street lamp cable fault tester, a medium-low voltage cable detector, a cable ground fault tester, a mine cable fault tester and the like are sequentially arranged in the market, when the cable fault is measured, the cable can be regarded as a uniformly distributed transmission line, according to the transmission line theory, the pulse voltage is applied to one end of the cable, the pulse is transmitted along the line at a certain speed, when the pulse meets a fault point, the pulse is reflected, the transmission time between the transmitted pulse and the reflected pulse is recorded by a flash detector, and the distance of the fault point can be calculated according to the known transmission speed.

Current power cable tester, usually when using, the in-process of detection cable, it has dedicated data connection to form a complete set on this instrument, connect on the detection cable through data connection, detect the cable between the wiring, but this wiring is inconvenient when using simultaneously and carries, carry the in-process and lead to the circuit to lose easily, perhaps twine and appear wearing and tearing easily on the instrument, influence the problem of the practicality of this instrument, and receive external information's interference easily when the test, influence measuring result.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric power detects uses portable cable tester of high accuracy, it is favorable to multiple protection electromagnetic interference to have the anti-interference lacquer layer, reduce the maintenance cost, the efficiency of use is improved, the one end of sliding closure is established on testing the casing through the protruding card of block, prevent to fall into the dust in the detection socket, draw the inside of box and set up a roll frame, the winding detection circuitry on the roll frame, make things convenient for the circuit rolling, the circuit is lost when preventing to use, the device structure is small and exquisite simple, portable's advantage can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision portable cable tester for electric power detection comprises a testing shell, an anti-interference paint layer is arranged on the periphery of the testing shell, an anti-interference structure is arranged above the testing shell and comprises a shielding cover, an anti-interference filter, an antenna slot, a rotating shaft and an anti-interference antenna, the anti-interference filter is arranged on the shielding cover, a groove is arranged on the lower surface of the shielding cover, the antenna slot is arranged in the groove, the anti-interference antenna is arranged in the antenna slot and connected in the antenna slot through the rotating shaft, a data display screen is arranged on the upper portion of the front surface of the testing shell, a measurement display screen is arranged in parallel below the data display screen, a knob is arranged between the data display screen and the measurement display screen, a detection socket is arranged on the lower portion of the testing shell, a sliding cover is arranged on the detection socket, a clamping bulge is arranged on the sliding cover, a rubber belt is, the corresponding position of the pull box is provided with a rolling groove, a limiting column is transversely arranged in the rolling groove, and a limiting sleeve is fixed at the end part of the limiting column.

Preferably, the winding slot is arranged on the left side of the test shell and is equal to the size of the pull box.

Preferably, a winding frame is arranged in the pull box, and a detection circuit is wound on the winding frame.

Preferably, one end of the sliding cover is clamped on the testing shell through the clamping protrusion.

Preferably, the surface of the sliding cover is provided with anti-slip lines.

Preferably, the interference preventing paint layer is a member of a silver-copper conductive paint layer.

Preferably, the limiting column is sleeved with a spring.

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

this portable cable tester of high accuracy for electric power detects, the jam-proof lacquer layer is a silver-copper conductive paint layer's component, be favorable to multiple protection electromagnetic interference, reduce the maintenance cost, improve the availability factor, the one end of sliding closure is established on testing the casing through the protruding card of block, prevent to fall into the dust in the detection socket, draw the inside of box to set up a book frame, the winding detection circuitry on rolling up the frame, make things convenient for the circuit rolling, the circuit is lost when preventing to use, the device structure is small and exquisite simple, portable.

Drawings

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

FIG. 2 is a structural diagram of the pull box of the present invention;

FIG. 3 is a sectional view of the slide cover of the present invention;

fig. 4 is a schematic view of the interference prevention structure of the present invention.

In the figure: 1. testing the shell; 2. an anti-interference paint layer; 3. an interference prevention structure; 31. a shield case; 32. an anti-interference filter; 33. an antenna slot; 34. a rotating shaft; 35. an interference-preventing antenna; 4. a data display screen; 5. measuring a display screen; 6. a knob; 7. detecting the socket; 8. a sliding cover; 9. clamping the protrusion; 10. a rubber belt; 11. pulling the box; 12. coiling a groove; 13. a limiting column; 14. a limiting sleeve.

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.

Referring to fig. 1-4, a high-precision portable cable tester for power detection comprises a testing casing 1, an anti-interference paint layer 2 is arranged on the periphery of the testing casing 1, the anti-interference paint layer 2 is a member of a silver-copper conductive paint layer, which is beneficial to multiple protection of electromagnetic interference, reduction of maintenance cost and improvement of use efficiency, an anti-interference structure 3 is arranged above the testing casing 1, in order to increase anti-interference effect and avoid interference of external information, the anti-interference structure 3 comprises a shielding case 31, an anti-interference filter 32, an antenna slot 33, a rotating shaft 34 and an anti-interference antenna 35, the anti-interference filter 32 is arranged on the shielding case 31, a groove is arranged on the lower surface of the shielding case 31, the antenna slot 33 is arranged in the groove, the anti-interference antenna 35 is arranged in the antenna slot 33 through the rotating shaft 34, a data display screen 4 is arranged on the upper portion of the front surface of the testing, a measuring display screen 5 is arranged in parallel below a data display screen 4, a knob 6 is arranged between the data display screen 4 and the measuring display screen 5, a detection socket 7 is arranged at the lower part of a test shell 1, a sliding cover 8 is arranged on the detection socket 7, the surface of the sliding cover 8 is provided with anti-skid lines, the use is convenient, a clamping bulge 9 is arranged on the sliding cover 8, one end of the sliding cover 8 is clamped on the test shell 1 through the clamping bulge 9 to prevent dust from falling into the detection socket 7, the sliding cover 8 is better slid open, the bottom of the sliding cover 8 is connected with a rubber belt 10, the sliding cover 8 is hung on the test shell 1 through the rubber belt 10, a pull box 11 is arranged at the left side of the test shell 1, a rolling frame is arranged inside the pull box 11, a detection circuit is wound on the rolling frame to facilitate the circuit, the circuit is prevented from being lost when in use, a rolling groove 12 is arranged at the corresponding position of the pull, and equal with the size that draws box 11, transversely set up spacing post 13 in the book groove 12, the cover is equipped with the spring on the spacing post 13, conveniently draws box 11 automatic rebound to roll up in the groove 12, for better coiling, spacing post 13's end fixing stop collar 14, stop collar 14 has two and symmetry, draws box 11 to install in book groove 12 through two stop collars 14 are spacing, prevents that the instrument from colliding with the damage.

The pull box 11 can be pulled out before use, the limiting sleeve 14 on the inner side of the pull box 11 is pulled on the limiting column 13, a spring sleeved on the limiting column 13 is extruded, the spring is deformed under stress, the pull box 11 can be pulled out, a detection circuit wound on the pull box 11 is taken down from a winding frame, the detection circuit is inserted into an instrument main body, when the pull box 11 is loosened, the reaction force generated by the deformation of the spring draws the box 11 to be taken back into a winding groove 12, the sliding cover 8 is slid down during the insertion of the detection circuit, the clamping bulge 9 at one end of the sliding cover 8 slides out from the clamping groove, the sliding cover 8 can be opened, the sliding cover 8 after being taken down is hung on the test shell 1 through a rubber belt 10, the insertion circuit can be used after being inserted into the instrument through the detection socket 7, the detection can be carried out by connecting a cable through the insertion circuit, and the practicability.

To sum up, this portable cable test appearance of high accuracy for electric power detection, interference-proof lacquer layer 2 is a silver-copper conductive paint layer's component, be favorable to multiple protection electromagnetic interference, reduce the maintenance cost, improve the availability factor, sliding closure 8's one end is passed through the protruding 9 cards of block and is established on testing shell 1, prevent to fall into the dust in detecting socket 7, draw the inside of box 11 to set up a book frame, the winding detection circuitry on the book frame, make things convenient for the circuit rolling, the circuit is lost when preventing to use, the device structure is small and exquisite simple, portable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (7)

1. The utility model provides a portable cable test appearance of high accuracy for power detection, includes test casing (1), its characterized in that: an anti-interference paint layer (2) is arranged on the periphery of the testing shell (1), an anti-interference structure (3) is arranged above the testing shell (1), the anti-interference structure (3) comprises a shielding cover (31), an anti-interference filter (32), an antenna groove (33), a rotating shaft (34) and an anti-interference antenna (35), the anti-interference filter (32) is arranged on the shielding cover (31), a groove is formed in the lower surface of the shielding cover (31), an antenna groove (33) is formed in the groove, the anti-interference antenna (35) is arranged in the antenna groove (33), the anti-interference antenna (35) is connected into the antenna groove (33) through the rotating shaft (34), a data display screen (4) is arranged on the upper portion of the front surface of the testing shell (1), a measurement display screen (5) is arranged in the parallel position below the data display screen (4), and a knob (6) is arranged between the data display screen (, the lower part of test casing (1) sets up detection socket (7), install sliding closure (8) on detection socket (7), it is protruding (9) to be equipped with the block on sliding closure (8), rubber tape (10) are connected to the bottom of sliding closure (8), the left side of test casing (1) is installed and is drawn box (11), the corresponding position of drawing box (11) is equipped with and rolls up groove (12), transversely set up spacing post (13) in rolling up groove (12), end fixing stop collar (14) of spacing post (13).

2. The high-precision portable cable tester for power detection according to claim 1, characterized in that: the winding groove (12) is arranged on the left side of the testing shell (1) and is equal to the size of the pull box (11).

3. The high-precision portable cable tester for power detection according to claim 1, characterized in that: a winding frame is arranged in the pull box (11), and a detection circuit is wound on the winding frame.

4. The high-precision portable cable tester for power detection according to claim 1, characterized in that: one end of the sliding cover (8) is clamped on the testing shell (1) through the clamping bulge (9).

5. The high-precision portable cable tester for power detection according to claim 1, characterized in that: the surface of the sliding cover (8) is provided with anti-slip lines.

6. The high-precision portable cable tester for power detection according to claim 1, characterized in that: the interference preventing paint layer (2) is a component of a silver-copper conductive paint layer.

7. The high-precision portable cable tester for power detection according to claim 1, characterized in that: the limiting column (13) is sleeved with a spring.

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