Portable current tester

Abstract

The utility model discloses a portable current tester which comprises an instrument box and a test connection pen, an instrument panel assembly is arranged in the instrument box, a storage cavity is arranged in the upper end of the instrument box, the test connection pen is connected with the instrument panel assembly in an inserted mode, a box cover is arranged above one side of the instrument box, and the box cover is connected with the instrument panel assembly in an inserted mode. A touch screen is arranged at the top of the box cover, a connecting groove is formed in the upper end of the instrument box, connecting blocks are arranged below one end of the box cover, through holes are formed in the two connecting blocks, an inserting block is arranged in the connecting groove, a groove is formed in the upper end of the box cover, and a lifting handle is arranged in the groove. According to the current tester, the test connecting pen is connected in an inserting mode, the containing cavity special for storing the parts of the test connecting pen is formed in the instrument box, the parts which are not used are contained and arranged through the containing cavity, the phenomenon that a test connecting pen line is carried does not exist, and the use portability of the current tester is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to current tester technical field, concretely is a kind of portable current tester. BACKGROUND

[0002] Current tester is a kind of portable rectifier instrument with high sensitivity and multi-range protection circuit, which is based on Ampere's law, i.e. the current through a conductor in a circuit is proportional to the magnetic field strength near the two ends of the conductor. Current tester is usually composed of current transformer and electronic measurement circuit. The current transformer is a device that converts the current in the measured circuit into a smaller secondary current through mutual induction. The secondary current is amplified, conditioned and displayed by the electronic measurement circuit, and finally the current value in the measured circuit is obtained.

[0003] Chinese patent publication No. CN213986772U, authorized announcement date is August 17, 2021, a kind of portable capacitance current tester, it is related to power equipment test technical field. The portable capacitance current tester, including box, safety tube and handle, the top of box is provided with operating panel, operating panel is movably connected with the bottom of capacitive touch liquid crystal display screen, the downside of capacitive touch liquid crystal display screen is provided with printer, the end away from capacitive touch liquid crystal display screen of printer is provided with paper outlet, the top of printer is movably connected with button, the downside of button is provided with indicator light, the portable capacitance current tester, when measuring, the opening triangle side of voltage transformer is connected with measuring line, the corresponding voltage gear is selected, then the measurement output switch is started, and the capacitance current tester can automatically complete measurement and display the capacitance current result on capacitive touch liquid crystal display screen. Test personnel do not need to deal with primary side, so there is no danger in the test, and thus the safety of personnel and equipment is guaranteed.

[0004] The existing current tester needs to be used with a test connecting pen. The test connecting pen is usually bundled and arranged separately. When carrying the current tester, it is easy to forget to carry the test connecting pen, which affects the normal use of the current tester, reduces the convenience of using the current tester, and cannot meet the use requirements. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of portable current tester to solve the problems in the above background art that existing current tester needs to be used with a test connecting pen, the test connecting pen is usually bundled and arranged separately, it is easy to forget to carry the test connecting pen when carrying the current tester, which affects the normal use of the current tester, reduces the convenience of using the current tester, and cannot meet the use requirements.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A portable current tester, including instrument box and test connecting pen, the inside of instrument box is provided with instrument panel assembly, and instrument panel assembly is connected with instrument box through screw, the inside of instrument box upper end is provided with storage cavity, test connecting pen is inserted with instrument panel assembly, the top of the side of instrument box is provided with box cover, hinge is arranged between box cover and instrument box, and box cover and instrument box are rotatably connected through hinge, the top of box cover is provided with touch screen, and touch screen is connected with box cover through screw, touch screen is electrically connected with instrument panel assembly, the upper end of instrument box is provided with connecting groove, connecting groove is provided with two, the below of one end of box cover is provided with connecting block, connecting block is provided with two, and connecting block is fixedly connected with box cover, connecting block and connecting groove correspondingly are provided, the through hole is uniformly arranged on two connecting blocks, the inside of connecting groove is provided with plug-in block, and plug-in block is slidably connected with instrument box, plug-in block and through hole correspondingly are provided, the upper end of box cover is provided with recess, the inside of recess is provided with pull handle, and pull handle is rotatably connected with box cover.

[0007] Preferably, one side of the instrument box is provided with a ring seat, the ring seat is provided with two, and the ring seat is fixedly connected with the instrument box, the ring seat is correspondingly provided with the connecting groove, one side of the two ring seats is provided with a pull rod, and the pull rod is slidably connected with the ring seat and the instrument box, one end of the pull rod is fixedly connected with the plug-in block, the inside of the ring seat is provided with a compression spring, and the compression spring is arranged outside the pull rod, the two ends of the compression spring are respectively attached to the pull rod and the plug-in block.

[0008] Preferably, the lower end of the box cover is provided with a rubber ring, and the rubber ring is attached to the box cover, the cross section of the recess and the pull handle is U-shaped.

[0009] Preferably, a sliding groove is arranged on the inner wall of the storage cavity, a sliding block is arranged in the sliding groove, and the sliding block is slidably connected with the instrument box, an elastic band is arranged at the upper end of the inside of the storage cavity, and the two ends of the elastic band are fixedly connected with the sliding block.

[0010] Preferably, the bottom of the instrument box is provided with a mounting groove, the inside of the mounting groove is provided with a battery assembly, and the battery assembly is inserted with the instrument box, the battery assembly is electrically connected with the instrument panel assembly, the bottom of the mounting groove is provided with a rotating block, the rotating block is provided with two, and the two rotating blocks are arranged on the two sides of the battery assembly, the rotating block is rotatably connected with the instrument box.

[0011] Preferably, a heat dissipation window is arranged on the side wall of the instrument box, and the heat dissipation window is integrally connected with the instrument box, a baffle is arranged above one side of the heat dissipation window, and the baffle is rotatably connected with the instrument box.

[0012] Preferably, the lower part of the instrument box is provided with elastic support columns, four elastic support columns are arranged at the four corners of the instrument box, and the elastic support columns are connected with the instrument box through screws.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a device which is provided with a connecting block, a connecting groove, a storage cavity, a lifting handle, a pull rod piece, an insertion block and a compression spring, the storage cavity stores test connecting pens and other components matched with the current tester, preventing the matched components from being lost, the connecting block is inserted into the connecting groove in alignment, the connecting block contacts and extrudes the insertion block, at this time, the compression spring is in a compressed state, when the connecting block is completely inserted into the connecting groove, the compression spring exerts a pushing force on the insertion block, the insertion block is pushed into the through hole under the action of the pushing force, the box cover is connected with the instrument box, the lifting handle is pulled out of the groove, the current tester is lifted and carried by the lifting handle, the current tester is convenient to carry, when in use, the insertion block is pulled out of the through hole by pulling the pull rod piece, the connecting block is pulled out of the connecting groove, the box cover is opened and used, and the portability of the current tester is improved.

[0015] 2. The utility model discloses a device which is provided with a sliding groove, a sliding block, an elastic band and a baffle, the elastic band binds the test connecting pen placed in the storage cavity, improving the storage and release effect of the test connecting pen, the sliding block slides along the sliding groove, changing the position of the elastic band and better limiting the test connecting pen placed in the storage cavity.

[0016] 3. The utility model discloses a device which is provided with a battery assembly and a rotating block, the battery assembly supplies power to the current tester, the rotating block is rotated to contact the battery assembly, limiting the installed battery assembly, improving the installation effect of the battery assembly and facilitating the removal of the battery assembly for charging. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model; Figure 1 It is a partial enlarged view of A area of the utility model;

[0019] Figure 3 It is a top view of the box cover of the utility model;

[0020] Figure 4 It is a bottom view of the utility model;

[0021] Figure 5 It is a connection relationship diagram of the connecting block and the instrument box of the utility model.

[0022] In the figure: 1, instrument box; 2, elastic support column; 3, box cover; 4, hinge; 5, touch screen; 6, rubber ring; 7, connecting block; 8, through hole; 9, instrument panel assembly; 10, storage cavity; 11, test connecting pen; 12, connecting groove; 13, heat dissipation window; 14, baffle; 15, sliding groove; 16, sliding block; 17, elastic belt; 18, groove; 19, pull handle; 20, battery assembly; 21, rotating block; 22, ring seat; 23, pull rod; 24, mounting groove; 25, plug block; 26, compression spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Please refer to Figures 1-5 An embodiment provided by the utility model: a portable current tester, including instrument box 1 and test connecting pen 11, the inside of instrument box 1 is provided with instrument panel assembly 9, and instrument panel assembly 9 is connected with instrument box 1 through screw, the inside of the upper end of instrument box 1 is provided with storage cavity 10, test connecting pen 11 is inserted with instrument panel assembly 9, the upper side of one side of instrument box 1 is provided with box cover 3, hinge 4 is arranged between box cover 3 and instrument box 1, and box cover 3 and instrument box 1 are rotatably connected through hinge 4, the top of box cover 3 is provided with touch screen 5, and touch screen 5 is connected with box cover 3 through screw, touch screen 5 is electrically connected with instrument panel assembly 9, the upper end of instrument box 1 is provided with connecting groove 12, connecting groove 12 is provided with two, the lower side of one end of box cover 3 is provided with connecting block 7, connecting block 7 is provided with two, and connecting block 7 is fixedly connected with box cover 3, connecting block 7 is correspondingly arranged with connecting groove 12, two connecting block 7 are all provided with through hole 8, the inside of connecting groove 12 is provided with plug block 25, and plug block 25 is slidably connected with instrument box 1, plug block 25 is correspondingly arranged with through hole 8, the upper end of box cover 3 is provided with groove 18, the inside of groove 18 is provided with pull handle 19, and pull handle 19 is rotatably connected with box cover 3, one side of instrument box 1 is provided with ring seat 22, ring seat 22 is provided with two, and ring seat 22 is fixedly connected with instrument box 1, ring seat 22 is correspondingly arranged with connecting groove 12, one side of two ring seat 22 is all provided with pull rod 23, and pull rod 23 is slidably connected with ring seat 22 and instrument box 1, one end of pull rod 23 is fixedly connected with plug block 25, the inside of ring seat 22 is provided with compression spring 26, and compression spring 26 is arranged outside pull rod 23, the two ends of compression spring 26 are respectively attached with pull rod 23 and plug block 25, the lower end of box cover 3 is provided with rubber ring 6, and rubber ring 6 is attached with box cover 3, the cross section of groove 18 and pull handle 19 is all arranged in U type.

[0025] In use: pull the pull rod 23 to pull the plug 25 out of the through hole 8, pull the connecting block 7 out of the connecting groove 12 to open the box cover 3, take the test connecting pen 11 out of the storage cavity 10 and connect it with the instrument panel assembly 9, open the instrument panel assembly 9 to connect the test connecting pen 11 with the circuit for current test, close the instrument panel assembly 9 after the test is completed, take down the test connecting pen 11 and put it into the storage cavity 10, rotate the box cover 3 to insert the connecting block 7 into the connecting groove 12, the connecting block 7 contacts the plug 25 and extrudes the plug 25, at this time the compression spring 26 is in a compressed state, when the connecting block 7 is completely inserted into the connecting groove 12, the compression spring 26 applies a pushing force to the plug 25, under the action of the pushing force, the plug 25 is pushed into the through hole 8, the box cover 3 is closed and connected with the instrument box 1, the lifting handle 19 is pulled out of the groove 18, the current tester is lifted by the lifting handle 19 for carrying, which is convenient for carrying the current tester.

[0026] Please refer to Figure 1 and Figure 2 , the inner wall of the storage cavity 10 is provided with a sliding groove 15, the sliding groove 15 is provided with a sliding block 16 inside, and the sliding block 16 is slidingly connected with the instrument box 1, the upper end of the inside of the storage cavity 10 is provided with an elastic band 17, and the two ends of the elastic band 17 are fixedly connected with the sliding block 16, the elastic band 17 binds the test connecting pen 11 placed in the storage cavity 10, improving the storage and release effect of the test connecting pen 11, the sliding block 16 slides along the sliding groove 15 to change the position of the elastic band 17, and the test connecting pen 11 placed in the storage cavity 10 is better limited.

[0027] Please refer to Figure 4 , the bottom of the instrument box 1 is provided with a mounting groove 24, the mounting groove 24 is provided with a battery assembly 20 inside, and the battery assembly 20 is inserted with the instrument box 1, the battery assembly 20 is electrically connected with the instrument panel assembly 9, the bottom of the mounting groove 24 is provided with a rotating block 21, the rotating block 21 is provided with two, and the two rotating blocks 21 are provided on the two sides of the battery assembly 20, the rotating block 21 is rotatably connected with the instrument box 1, the battery assembly 20 supplies power for the current tester, only the battery assembly 20 is taken down for charging, the rotating block 21 is rotated to contact the battery assembly 20, the installed battery assembly 20 is limited, and the installation effect of the battery assembly 20 is improved.

[0028] Please refer to Figure 1The side wall of the instrument box 1 is provided with a heat dissipation window 13, and the heat dissipation window 13 is integrally connected with the instrument box 1, the upper side of one side of the heat dissipation window 13 is provided with a baffle 14, and the baffle 14 is rotatably connected with the instrument box 1, the lower side of the instrument box 1 is provided with four elastic supporting columns 2, the elastic supporting columns 2 are connected with the instrument box 1 through screws, the four elastic supporting columns 2 are arranged at the four corners of the instrument box 1, the heat dissipation window 13 can discharge the heat generated by the current tester during work, and the baffle 14 can cover the heat dissipation window 13 when the current tester is not used, so that the dust and moisture in the outside can be effectively prevented from entering the current tester.

[0029] Working principle: pull the pull rod 23 to pull out the plug block 25 from the through hole 8, pull out the connecting block 7 from the connecting groove 12 to open the box cover 3, take out the test connecting pen 11 from the storage cavity 10 and connect with the instrument panel assembly 9, open the instrument panel assembly 9 to connect the test connecting pen 11 with the circuit for current test, close the instrument panel assembly 9 after the test is completed, take down the test connecting pen 11 and arrange it in the storage cavity 10, use the elastic band 17 to bind the test connecting pen 11 arranged in the storage cavity 10, rotate the box cover 3 to insert the connecting block 7 into the connecting groove 12, the connecting block 7 contacts and extrudes the plug block 25, at this time, the compression spring 26 is in a compressed state, when the connecting block 7 is completely inserted into the connecting groove 12, the compression spring 26 applies a pushing force to the plug block 25, under the action of the pushing force, the plug block 25 is pushed into the through hole 8, the box cover 3 is closed and connected with the instrument box 1, the pull handle 19 is pulled out of the groove 18, the current tester is lifted and carried by means of the pull handle 19, and the current tester is convenient to carry; the battery assembly 20 supplies power for the current tester, only the battery assembly 20 needs to be taken down for charging, the heat dissipation window 13 discharges the heat generated by the current tester during work, and the baffle 14 covers the heat dissipation window 13 when the current tester is not used, so that the dust and moisture in the outside can be effectively prevented from entering the current tester.

[0030] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A portable current tester comprising an instrument case (1) and a test connection pen (11), characterized in that: The inside of the instrument box (1) is provided with a dashboard assembly (9), and the dashboard assembly (9) is connected with the instrument box (1) through screws, the inside of the upper end of the instrument box (1) is provided with a receiving cavity (10), the test connecting pen (11) is inserted with the dashboard assembly (9), the upper end of one side of the instrument box (1) is provided with a box cover (3), the hinge (4) is arranged between the box cover (3) and the instrument box (1), and the box cover (3) and the instrument box (1) are rotatably connected through the hinge (4), the top of the box cover (3) is provided with a touch screen (5), and the touch screen (5) and the box cover (3) are connected through screws, the touch screen (5) and the dashboard assembly (9) are electrically connected, the upper end of the instrument box (1) is provided with a connecting groove (12), the connecting groove (12) is provided with two, the lower end of one end of the box cover (3) is provided with a connecting block (7), the connecting block (7) is provided with two, and the connecting block (7) and the box cover (3) are fixedly connected, the connecting block (7) is correspondingly arranged with the connecting groove (12), the two connecting blocks (7) are provided with through holes (8), the inside of the connecting groove (12) is provided with an insertion block (25), and the insertion block (25) and the instrument box (1) are slidably connected, the insertion block (25) is correspondingly arranged with the through hole (8), the upper end of the box cover (3) is provided with a recess (18), the inside of the recess (18) is provided with a pull handle (19), and the pull handle (19) and the box cover (3) are rotatably connected.

2. The portable current tester of claim 1, wherein: One side of the instrument box (1) is provided with a ring seat (22), the ring seat (22) is provided with two, and the ring seat (22) and the instrument box (1) are fixedly connected, the ring seat (22) is correspondingly arranged with the connecting groove (12), one side of the two ring seats (22) is provided with a pull rod piece (23), and the pull rod piece (23) and the ring seat (22) and the instrument box (1) are slidably connected, one end of the pull rod piece (23) is fixedly connected with the insertion block (25), the inside of the ring seat (22) is provided with a compression spring (26), and the compression spring (26) is arranged outside the pull rod piece (23), the two ends of the compression spring (26) are respectively attached to the pull rod piece (23) and the insertion block (25).

3. The portable current tester of claim 1, wherein: The lower end of the box cover (3) is provided with a rubber ring (6), and the rubber ring (6) is attached to the box cover (3), the cross section of the recess (18) and the pull handle (19) is U-shaped.

4. The portable current tester of claim 1, wherein: The inner wall of the receiving cavity (10) is provided with a sliding groove (15), the inside of the sliding groove (15) is provided with a sliding block (16), and the sliding block (16) and the instrument box (1) are slidably connected, the upper end of the inside of the receiving cavity (10) is provided with an elastic band (17), and the two ends of the elastic band (17) are fixedly connected with the sliding block (16).

5. The portable current tester of claim 1, wherein: The bottom of the instrument box (1) is provided with a mounting groove (24), the inside of the mounting groove (24) is provided with a battery assembly (20), the battery assembly (20) is plugged with the instrument box (1), the battery assembly (20) is electrically connected with the instrument panel assembly (9), the bottom of the mounting groove (24) is provided with a rotating block (21), the rotating block (21) is provided with two, and the two rotating blocks (21) are arranged on the two sides of the battery assembly (20), and the rotating block (21) is rotatably connected with the instrument box (1).

6. The portable current tester of claim 1, wherein: The side wall of the instrument box (1) is provided with a heat dissipation window (13), and the heat dissipation window (13) is connected with the instrument box (1) as a whole, the upper side of the heat dissipation window (13) is provided with a baffle (14), and the baffle (14) is rotatably connected with the instrument box (1).

7. The portable current tester of claim 1, wherein: The bottom of the instrument box (1) is provided with an elastic support column (2), the elastic support column (2) is provided with four, and the elastic support column (2) is connected with the instrument box (1) through screws, and the four elastic support columns (2) are arranged at the four corners of the instrument box (1).

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